diff options
Diffstat (limited to 'arch/mips/pmc-sierra')
31 files changed, 0 insertions, 4517 deletions
diff --git a/arch/mips/pmc-sierra/Kconfig b/arch/mips/pmc-sierra/Kconfig deleted file mode 100644 index bbd76082fa8..00000000000 --- a/arch/mips/pmc-sierra/Kconfig +++ /dev/null @@ -1,52 +0,0 @@ -choice - prompt "PMC-Sierra MSP SOC type" - depends on PMC_MSP - -config PMC_MSP4200_EVAL - bool "PMC-Sierra MSP4200 Eval Board" - select IRQ_MSP_SLP - select HW_HAS_PCI - -config PMC_MSP4200_GW - bool "PMC-Sierra MSP4200 VoIP Gateway" - select IRQ_MSP_SLP - select HW_HAS_PCI - -config PMC_MSP7120_EVAL - bool "PMC-Sierra MSP7120 Eval Board" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HW_HAS_PCI - -config PMC_MSP7120_GW - bool "PMC-Sierra MSP7120 Residential Gateway" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HW_HAS_PCI - select MSP_HAS_USB - select MSP_ETH - -config PMC_MSP7120_FPGA - bool "PMC-Sierra MSP7120 FPGA" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HW_HAS_PCI - -endchoice - -config HYPERTRANSPORT - bool "Hypertransport Support for PMC-Sierra Yosemite" - depends on PMC_YOSEMITE - -config MSP_HAS_USB - boolean - depends on PMC_MSP - -config MSP_ETH - boolean - select MSP_HAS_MAC - depends on PMC_MSP - -config MSP_HAS_MAC - boolean - depends on PMC_MSP diff --git a/arch/mips/pmc-sierra/Platform b/arch/mips/pmc-sierra/Platform deleted file mode 100644 index f092f2524c5..00000000000 --- a/arch/mips/pmc-sierra/Platform +++ /dev/null @@ -1,14 +0,0 @@ -# -# PMC-Sierra MSP SOCs -# -platform-$(CONFIG_PMC_MSP) += pmc-sierra/msp71xx/ -cflags-$(CONFIG_PMC_MSP) += -I$(srctree)/arch/mips/include/asm/pmc-sierra/msp71xx \ - -mno-branch-likely -load-$(CONFIG_PMC_MSP) += 0xffffffff80100000 - -# -# PMC-Sierra Yosemite -# -platform-$(CONFIG_PMC_YOSEMITE) += pmc-sierra/yosemite/ -cflags-$(CONFIG_PMC_YOSEMITE) += -I$(srctree)/arch/mips/include/asm/mach-yosemite -load-$(CONFIG_PMC_YOSEMITE) += 0xffffffff80100000 diff --git a/arch/mips/pmc-sierra/msp71xx/Makefile b/arch/mips/pmc-sierra/msp71xx/Makefile deleted file mode 100644 index cefba7733b7..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Makefile for the PMC-Sierra MSP SOCs -# -obj-y += msp_prom.o msp_setup.o msp_irq.o \ - msp_time.o msp_serial.o msp_elb.o -obj-$(CONFIG_HAVE_GPIO_LIB) += gpio.o gpio_extended.o -obj-$(CONFIG_PMC_MSP7120_GW) += msp_hwbutton.o -obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o -obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o msp_irq_per.o -obj-$(CONFIG_PCI) += msp_pci.o -obj-$(CONFIG_MSP_HAS_MAC) += msp_eth.o -obj-$(CONFIG_MSP_HAS_USB) += msp_usb.o -obj-$(CONFIG_MIPS_MT_SMP) += msp_smp.o -obj-$(CONFIG_MIPS_MT_SMTC) += msp_smtc.o diff --git a/arch/mips/pmc-sierra/msp71xx/gpio.c b/arch/mips/pmc-sierra/msp71xx/gpio.c deleted file mode 100644 index aaccbe52438..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/gpio.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Generic PMC MSP71xx GPIO handling. These base gpio are controlled by two - * types of registers. The data register sets the output level when in output - * mode and when in input mode will contain the value at the input. The config - * register sets the various modes for each gpio. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * @author Patrick Glass <patrickglass@gmail.com> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/gpio.h> -#include <linux/spinlock.h> -#include <linux/io.h> - -#define MSP71XX_CFG_OFFSET(gpio) (4 * (gpio)) -#define CONF_MASK 0x0F -#define MSP71XX_GPIO_INPUT 0x01 -#define MSP71XX_GPIO_OUTPUT 0x08 - -#define MSP71XX_GPIO_BASE 0x0B8400000L - -#define to_msp71xx_gpio_chip(c) container_of(c, struct msp71xx_gpio_chip, chip) - -static spinlock_t gpio_lock; - -/* - * struct msp71xx_gpio_chip - container for gpio chip and registers - * @chip: chip structure for the specified gpio bank - * @data_reg: register for reading and writing the gpio pin value - * @config_reg: register to set the mode for the gpio pin bank - * @out_drive_reg: register to set the output drive mode for the gpio pin bank - */ -struct msp71xx_gpio_chip { - struct gpio_chip chip; - void __iomem *data_reg; - void __iomem *config_reg; - void __iomem *out_drive_reg; -}; - -/* - * msp71xx_gpio_get() - return the chip's gpio value - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose value will be returned - * - * It will return 0 if gpio value is low and other if high. - */ -static int msp71xx_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); - - return __raw_readl(msp_chip->data_reg) & (1 << offset); -} - -/* - * msp71xx_gpio_set() - set the output value for the gpio - * @chip: chip structure who controls the specified gpio - * @offset: gpio whose value will be assigned - * @value: logic level to assign to the gpio initially - * - * This will set the gpio bit specified to the desired value. It will set the - * gpio pin low if value is 0 otherwise it will be high. - */ -static void msp71xx_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); - unsigned long flags; - u32 data; - - spin_lock_irqsave(&gpio_lock, flags); - - data = __raw_readl(msp_chip->data_reg); - if (value) - data |= (1 << offset); - else - data &= ~(1 << offset); - __raw_writel(data, msp_chip->data_reg); - - spin_unlock_irqrestore(&gpio_lock, flags); -} - -/* - * msp71xx_set_gpio_mode() - declare the mode for a gpio - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose value will be assigned - * @mode: desired configuration for the gpio (see datasheet) - * - * It will set the gpio pin config to the @mode value passed in. - */ -static int msp71xx_set_gpio_mode(struct gpio_chip *chip, - unsigned offset, int mode) -{ - struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); - const unsigned bit_offset = MSP71XX_CFG_OFFSET(offset); - unsigned long flags; - u32 cfg; - - spin_lock_irqsave(&gpio_lock, flags); - - cfg = __raw_readl(msp_chip->config_reg); - cfg &= ~(CONF_MASK << bit_offset); - cfg |= (mode << bit_offset); - __raw_writel(cfg, msp_chip->config_reg); - - spin_unlock_irqrestore(&gpio_lock, flags); - - return 0; -} - -/* - * msp71xx_direction_output() - declare the direction mode for a gpio - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose value will be assigned - * @value: logic level to assign to the gpio initially - * - * This call will set the mode for the @gpio to output. It will set the - * gpio pin low if value is 0 otherwise it will be high. - */ -static int msp71xx_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - msp71xx_gpio_set(chip, offset, value); - - return msp71xx_set_gpio_mode(chip, offset, MSP71XX_GPIO_OUTPUT); -} - -/* - * msp71xx_direction_input() - declare the direction mode for a gpio - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose to which the value will be assigned - * - * This call will set the mode for the @gpio to input. - */ -static int msp71xx_direction_input(struct gpio_chip *chip, unsigned offset) -{ - return msp71xx_set_gpio_mode(chip, offset, MSP71XX_GPIO_INPUT); -} - -/* - * msp71xx_set_output_drive() - declare the output drive for the gpio line - * @gpio: gpio pin whose output drive you wish to modify - * @value: zero for active drain 1 for open drain drive - * - * This call will set the output drive mode for the @gpio to output. - */ -int msp71xx_set_output_drive(unsigned gpio, int value) -{ - unsigned long flags; - u32 data; - - if (gpio > 15 || gpio < 0) - return -EINVAL; - - spin_lock_irqsave(&gpio_lock, flags); - - data = __raw_readl((void __iomem *)(MSP71XX_GPIO_BASE + 0x190)); - if (value) - data |= (1 << gpio); - else - data &= ~(1 << gpio); - __raw_writel(data, (void __iomem *)(MSP71XX_GPIO_BASE + 0x190)); - - spin_unlock_irqrestore(&gpio_lock, flags); - - return 0; -} -EXPORT_SYMBOL(msp71xx_set_output_drive); - -#define MSP71XX_GPIO_BANK(name, dr, cr, base_gpio, num_gpio) \ -{ \ - .chip = { \ - .label = name, \ - .direction_input = msp71xx_direction_input, \ - .direction_output = msp71xx_direction_output, \ - .get = msp71xx_gpio_get, \ - .set = msp71xx_gpio_set, \ - .base = base_gpio, \ - .ngpio = num_gpio \ - }, \ - .data_reg = (void __iomem *)(MSP71XX_GPIO_BASE + dr), \ - .config_reg = (void __iomem *)(MSP71XX_GPIO_BASE + cr), \ - .out_drive_reg = (void __iomem *)(MSP71XX_GPIO_BASE + 0x190), \ -} - -/* - * struct msp71xx_gpio_banks[] - container array of gpio banks - * @chip: chip structure for the specified gpio bank - * @data_reg: register for reading and writing the gpio pin value - * @config_reg: register to set the mode for the gpio pin bank - * - * This array structure defines the gpio banks for the PMC MIPS Processor. - * We specify the bank name, the data register, the config register, base - * starting gpio number, and the number of gpios exposed by the bank. - */ -static struct msp71xx_gpio_chip msp71xx_gpio_banks[] = { - - MSP71XX_GPIO_BANK("GPIO_1_0", 0x170, 0x180, 0, 2), - MSP71XX_GPIO_BANK("GPIO_5_2", 0x174, 0x184, 2, 4), - MSP71XX_GPIO_BANK("GPIO_9_6", 0x178, 0x188, 6, 4), - MSP71XX_GPIO_BANK("GPIO_15_10", 0x17C, 0x18C, 10, 6), -}; - -void __init msp71xx_init_gpio(void) -{ - int i; - - spin_lock_init(&gpio_lock); - - for (i = 0; i < ARRAY_SIZE(msp71xx_gpio_banks); i++) - gpiochip_add(&msp71xx_gpio_banks[i].chip); -} diff --git a/arch/mips/pmc-sierra/msp71xx/gpio_extended.c b/arch/mips/pmc-sierra/msp71xx/gpio_extended.c deleted file mode 100644 index 2a99f360fae..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/gpio_extended.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Generic PMC MSP71xx EXTENDED (EXD) GPIO handling. The extended gpio is - * a set of hardware registers that have no need for explicit locking as - * it is handled by unique method of writing individual set/clr bits. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * @author Patrick Glass <patrickglass@gmail.com> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#define MSP71XX_DATA_OFFSET(gpio) (2 * (gpio)) -#define MSP71XX_READ_OFFSET(gpio) (MSP71XX_DATA_OFFSET(gpio) + 1) -#define MSP71XX_CFG_OUT_OFFSET(gpio) (MSP71XX_DATA_OFFSET(gpio) + 16) -#define MSP71XX_CFG_IN_OFFSET(gpio) (MSP71XX_CFG_OUT_OFFSET(gpio) + 1) - -#define MSP71XX_EXD_GPIO_BASE 0x0BC000000L - -#define to_msp71xx_exd_gpio_chip(c) \ - container_of(c, struct msp71xx_exd_gpio_chip, chip) - -/* - * struct msp71xx_exd_gpio_chip - container for gpio chip and registers - * @chip: chip structure for the specified gpio bank - * @reg: register for control and data of gpio pin - */ -struct msp71xx_exd_gpio_chip { - struct gpio_chip chip; - void __iomem *reg; -}; - -/* - * msp71xx_exd_gpio_get() - return the chip's gpio value - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose value will be returned - * - * It will return 0 if gpio value is low and other if high. - */ -static int msp71xx_exd_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct msp71xx_exd_gpio_chip *msp71xx_chip = - to_msp71xx_exd_gpio_chip(chip); - const unsigned bit = MSP71XX_READ_OFFSET(offset); - - return __raw_readl(msp71xx_chip->reg) & (1 << bit); -} - -/* - * msp71xx_exd_gpio_set() - set the output value for the gpio - * @chip: chip structure who controls the specified gpio - * @offset: gpio whose value will be assigned - * @value: logic level to assign to the gpio initially - * - * This will set the gpio bit specified to the desired value. It will set the - * gpio pin low if value is 0 otherwise it will be high. - */ -static void msp71xx_exd_gpio_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct msp71xx_exd_gpio_chip *msp71xx_chip = - to_msp71xx_exd_gpio_chip(chip); - const unsigned bit = MSP71XX_DATA_OFFSET(offset); - - __raw_writel(1 << (bit + (value ? 1 : 0)), msp71xx_chip->reg); -} - -/* - * msp71xx_exd_direction_output() - declare the direction mode for a gpio - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose value will be assigned - * @value: logic level to assign to the gpio initially - * - * This call will set the mode for the @gpio to output. It will set the - * gpio pin low if value is 0 otherwise it will be high. - */ -static int msp71xx_exd_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct msp71xx_exd_gpio_chip *msp71xx_chip = - to_msp71xx_exd_gpio_chip(chip); - - msp71xx_exd_gpio_set(chip, offset, value); - __raw_writel(1 << MSP71XX_CFG_OUT_OFFSET(offset), msp71xx_chip->reg); - return 0; -} - -/* - * msp71xx_exd_direction_input() - declare the direction mode for a gpio - * @chip: chip structure which controls the specified gpio - * @offset: gpio whose to which the value will be assigned - * - * This call will set the mode for the @gpio to input. - */ -static int msp71xx_exd_direction_input(struct gpio_chip *chip, unsigned offset) -{ - struct msp71xx_exd_gpio_chip *msp71xx_chip = - to_msp71xx_exd_gpio_chip(chip); - - __raw_writel(1 << MSP71XX_CFG_IN_OFFSET(offset), msp71xx_chip->reg); - return 0; -} - -#define MSP71XX_EXD_GPIO_BANK(name, exd_reg, base_gpio, num_gpio) \ -{ \ - .chip = { \ - .label = name, \ - .direction_input = msp71xx_exd_direction_input, \ - .direction_output = msp71xx_exd_direction_output, \ - .get = msp71xx_exd_gpio_get, \ - .set = msp71xx_exd_gpio_set, \ - .base = base_gpio, \ - .ngpio = num_gpio, \ - }, \ - .reg = (void __iomem *)(MSP71XX_EXD_GPIO_BASE + exd_reg), \ -} - -/* - * struct msp71xx_exd_gpio_banks[] - container array of gpio banks - * @chip: chip structure for the specified gpio bank - * @reg: register for reading and writing the gpio pin value - * - * This array structure defines the extended gpio banks for the - * PMC MIPS Processor. We specify the bank name, the data/config - * register,the base starting gpio number, and the number of - * gpios exposed by the bank of gpios. - */ -static struct msp71xx_exd_gpio_chip msp71xx_exd_gpio_banks[] = { - - MSP71XX_EXD_GPIO_BANK("GPIO_23_16", 0x188, 16, 8), - MSP71XX_EXD_GPIO_BANK("GPIO_27_24", 0x18C, 24, 4), -}; - -void __init msp71xx_init_gpio_extended(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(msp71xx_exd_gpio_banks); i++) - gpiochip_add(&msp71xx_exd_gpio_banks[i].chip); -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_elb.c b/arch/mips/pmc-sierra/msp71xx/msp_elb.c deleted file mode 100644 index 3e964100721..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_elb.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Sets up the proper Chip Select configuration registers. It is assumed that - * PMON sets up the ADDR and MASK registers properly. - * - * Copyright 2005-2006 PMC-Sierra, Inc. - * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <msp_regs.h> - -static int __init msp_elb_setup(void) -{ -#if defined(CONFIG_PMC_MSP7120_GW) \ - || defined(CONFIG_PMC_MSP7120_EVAL) - /* - * Force all CNFG to be identical and equal to CS0, - * according to OPS doc - */ - *CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG; -#endif - return 0; -} - -subsys_initcall(msp_elb_setup); diff --git a/arch/mips/pmc-sierra/msp71xx/msp_eth.c b/arch/mips/pmc-sierra/msp71xx/msp_eth.c deleted file mode 100644 index c584df393de..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_eth.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * The setup file for ethernet related hardware on PMC-Sierra MSP processors. - * - * Copyright 2010 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <msp_regs.h> -#include <msp_int.h> -#include <msp_gpio_macros.h> - - -#define MSP_ETHERNET_GPIO0 14 -#define MSP_ETHERNET_GPIO1 15 -#define MSP_ETHERNET_GPIO2 16 - -#ifdef CONFIG_MSP_HAS_TSMAC -#define MSP_TSMAC_SIZE 0x10020 -#define MSP_TSMAC_ID "pmc_tsmac" - -static struct resource msp_tsmac0_resources[] = { - [0] = { - .start = MSP_MAC0_BASE, - .end = MSP_MAC0_BASE + MSP_TSMAC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC0, - .end = MSP_INT_MAC0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource msp_tsmac1_resources[] = { - [0] = { - .start = MSP_MAC1_BASE, - .end = MSP_MAC1_BASE + MSP_TSMAC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC1, - .end = MSP_INT_MAC1, - .flags = IORESOURCE_IRQ, - }, -}; -static struct resource msp_tsmac2_resources[] = { - [0] = { - .start = MSP_MAC2_BASE, - .end = MSP_MAC2_BASE + MSP_TSMAC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_SAR, - .end = MSP_INT_SAR, - .flags = IORESOURCE_IRQ, - }, -}; - - -static struct platform_device tsmac_device[] = { - [0] = { - .name = MSP_TSMAC_ID, - .id = 0, - .num_resources = ARRAY_SIZE(msp_tsmac0_resources), - .resource = msp_tsmac0_resources, - }, - [1] = { - .name = MSP_TSMAC_ID, - .id = 1, - .num_resources = ARRAY_SIZE(msp_tsmac1_resources), - .resource = msp_tsmac1_resources, - }, - [2] = { - .name = MSP_TSMAC_ID, - .id = 2, - .num_resources = ARRAY_SIZE(msp_tsmac2_resources), - .resource = msp_tsmac2_resources, - }, -}; -#define msp_eth_devs tsmac_device - -#else -/* If it is not TSMAC assume MSP_ETH (100Mbps) */ -#define MSP_ETH_ID "pmc_mspeth" -#define MSP_ETH_SIZE 0xE0 -static struct resource msp_eth0_resources[] = { - [0] = { - .start = MSP_MAC0_BASE, - .end = MSP_MAC0_BASE + MSP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC0, - .end = MSP_INT_MAC0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource msp_eth1_resources[] = { - [0] = { - .start = MSP_MAC1_BASE, - .end = MSP_MAC1_BASE + MSP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC1, - .end = MSP_INT_MAC1, - .flags = IORESOURCE_IRQ, - }, -}; - - - -static struct platform_device mspeth_device[] = { - [0] = { - .name = MSP_ETH_ID, - .id = 0, - .num_resources = ARRAY_SIZE(msp_eth0_resources), - .resource = msp_eth0_resources, - }, - [1] = { - .name = MSP_ETH_ID, - .id = 1, - .num_resources = ARRAY_SIZE(msp_eth1_resources), - .resource = msp_eth1_resources, - }, - -}; -#define msp_eth_devs mspeth_device - -#endif -int __init msp_eth_setup(void) -{ - int i, ret = 0; - - /* Configure the GPIO and take the ethernet PHY out of reset */ - msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0); - msp_gpio_pin_hi(MSP_ETHERNET_GPIO0); - -#ifdef CONFIG_MSP_HAS_TSMAC - /* 3 phys on boards with TSMAC */ - msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO1); - msp_gpio_pin_hi(MSP_ETHERNET_GPIO1); - - msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO2); - msp_gpio_pin_hi(MSP_ETHERNET_GPIO2); -#endif - for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) { - ret = platform_device_register(&msp_eth_devs[i]); - printk(KERN_INFO "device: %d, return value = %d\n", i, ret); - if (ret) { - platform_device_unregister(&msp_eth_devs[i]); - break; - } - } - - if (ret) - printk(KERN_WARNING "Could not initialize " - "MSPETH device structures.\n"); - - return ret; -} -subsys_initcall(msp_eth_setup); diff --git a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c deleted file mode 100644 index bb57ed9ea2b..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Sets up interrupt handlers for various hardware switches which are - * connected to interrupt lines. - * - * Copyright 2005-2207 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/interrupt.h> - -#include <msp_int.h> -#include <msp_regs.h> -#include <msp_regops.h> - -/* For hwbutton_interrupt->initial_state */ -#define HWBUTTON_HI 0x1 -#define HWBUTTON_LO 0x2 - -/* - * This struct describes a hardware button - */ -struct hwbutton_interrupt { - char *name; /* Name of button */ - int irq; /* Actual LINUX IRQ */ - int eirq; /* Extended IRQ number (0-7) */ - int initial_state; /* The "normal" state of the switch */ - void (*handle_hi)(void *); /* Handler: switch input has gone HI */ - void (*handle_lo)(void *); /* Handler: switch input has gone LO */ - void *data; /* Optional data to pass to handler */ -}; - -#ifdef CONFIG_PMC_MSP7120_GW -extern void msp_restart(char *); - -static void softreset_push(void *data) -{ - printk(KERN_WARNING "SOFTRESET switch was pushed\n"); - - /* - * In the future you could move this to the release handler, - * timing the difference between the 'push' and 'release', and only - * doing this ungraceful restart if the button has been down for - * a certain amount of time; otherwise doing a graceful restart. - */ - - msp_restart(NULL); -} - -static void softreset_release(void *data) -{ - printk(KERN_WARNING "SOFTRESET switch was released\n"); - - /* Do nothing */ -} - -static void standby_on(void *data) -{ - printk(KERN_WARNING "STANDBY switch was set to ON (not implemented)\n"); - - /* TODO: Put board in standby mode */ -} - -static void standby_off(void *data) -{ - printk(KERN_WARNING - "STANDBY switch was set to OFF (not implemented)\n"); - - /* TODO: Take out of standby mode */ -} - -static struct hwbutton_interrupt softreset_sw = { - .name = "Softreset button", - .irq = MSP_INT_EXT0, - .eirq = 0, - .initial_state = HWBUTTON_HI, - .handle_hi = softreset_release, - .handle_lo = softreset_push, - .data = NULL, -}; - -static struct hwbutton_interrupt standby_sw = { - .name = "Standby switch", - .irq = MSP_INT_EXT1, - .eirq = 1, - .initial_state = HWBUTTON_HI, - .handle_hi = standby_off, - .handle_lo = standby_on, - .data = NULL, -}; -#endif /* CONFIG_PMC_MSP7120_GW */ - -static irqreturn_t hwbutton_handler(int irq, void *data) -{ - struct hwbutton_interrupt *hirq = data; - unsigned long cic_ext = *CIC_EXT_CFG_REG; - - if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) { - /* Interrupt: pin is now HI */ - CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); - hirq->handle_hi(hirq->data); - } else { - /* Interrupt: pin is now LO */ - CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq); - hirq->handle_lo(hirq->data); - } - - /* - * Invert the POLARITY of this level interrupt to ack the interrupt - * Thus next state change will invoke the opposite message - */ - *CIC_EXT_CFG_REG = cic_ext; - - return IRQ_HANDLED; -} - -static int msp_hwbutton_register(struct hwbutton_interrupt *hirq) -{ - unsigned long cic_ext; - - if (hirq->handle_hi == NULL || hirq->handle_lo == NULL) - return -EINVAL; - - cic_ext = *CIC_EXT_CFG_REG; - CIC_EXT_SET_TRIGGER_LEVEL(cic_ext, hirq->eirq); - if (hirq->initial_state == HWBUTTON_HI) - CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); - else - CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq); - *CIC_EXT_CFG_REG = cic_ext; - - return request_irq(hirq->irq, hwbutton_handler, 0, - hirq->name, hirq); -} - -static int __init msp_hwbutton_setup(void) -{ -#ifdef CONFIG_PMC_MSP7120_GW - msp_hwbutton_register(&softreset_sw); - msp_hwbutton_register(&standby_sw); -#endif - return 0; -} - -subsys_initcall(msp_hwbutton_setup); diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c deleted file mode 100644 index d3c3d81757a..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * IRQ vector handles - * - * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/ptrace.h> -#include <linux/time.h> - -#include <asm/irq_cpu.h> - -#include <msp_int.h> - -/* SLP bases systems */ -extern void msp_slp_irq_init(void); -extern void msp_slp_irq_dispatch(void); - -/* CIC based systems */ -extern void msp_cic_irq_init(void); -extern void msp_cic_irq_dispatch(void); - -/* VSMP support init */ -extern void msp_vsmp_int_init(void); - -/* vectored interrupt implementation */ - -/* SW0/1 interrupts are used for SMP/SMTC */ -static inline void mac0_int_dispatch(void) { do_IRQ(MSP_INT_MAC0); } -static inline void mac1_int_dispatch(void) { do_IRQ(MSP_INT_MAC1); } -static inline void mac2_int_dispatch(void) { do_IRQ(MSP_INT_SAR); } -static inline void usb_int_dispatch(void) { do_IRQ(MSP_INT_USB); } -static inline void sec_int_dispatch(void) { do_IRQ(MSP_INT_SEC); } - -/* - * The PMC-Sierra MSP interrupts are arranged in a 3 level cascaded - * hierarchical system. The first level are the direct MIPS interrupts - * and are assigned the interrupt range 0-7. The second level is the SLM - * interrupt controller and is assigned the range 8-39. The third level - * comprises the Peripherial block, the PCI block, the PCI MSI block and - * the SLP. The PCI interrupts and the SLP errors are handled by the - * relevant subsystems so the core interrupt code needs only concern - * itself with the Peripheral block. These are assigned interrupts in - * the range 40-71. - */ - -asmlinkage void plat_irq_dispatch(struct pt_regs *regs) -{ - u32 pending; - - pending = read_c0_status() & read_c0_cause(); - - /* - * jump to the correct interrupt routine - * These are arranged in priority order and the timer - * comes first! - */ - -#ifdef CONFIG_IRQ_MSP_CIC /* break out the CIC stuff for now */ - if (pending & C_IRQ4) /* do the peripherals first, that's the timer */ - msp_cic_irq_dispatch(); - - else if (pending & C_IRQ0) - do_IRQ(MSP_INT_MAC0); - - else if (pending & C_IRQ1) - do_IRQ(MSP_INT_MAC1); - - else if (pending & C_IRQ2) - do_IRQ(MSP_INT_USB); - - else if (pending & C_IRQ3) - do_IRQ(MSP_INT_SAR); - - else if (pending & C_IRQ5) - do_IRQ(MSP_INT_SEC); - -#else - if (pending & C_IRQ5) - do_IRQ(MSP_INT_TIMER); - - else if (pending & C_IRQ0) - do_IRQ(MSP_INT_MAC0); - - else if (pending & C_IRQ1) - do_IRQ(MSP_INT_MAC1); - - else if (pending & C_IRQ3) - do_IRQ(MSP_INT_VE); - - else if (pending & C_IRQ4) - msp_slp_irq_dispatch(); -#endif - - else if (pending & C_SW0) /* do software after hardware */ - do_IRQ(MSP_INT_SW0); - - else if (pending & C_SW1) - do_IRQ(MSP_INT_SW1); -} - -static struct irqaction cic_cascade_msp = { - .handler = no_action, - .name = "MSP CIC cascade", - .flags = IRQF_NO_THREAD, -}; - -static struct irqaction per_cascade_msp = { - .handler = no_action, - .name = "MSP PER cascade", - .flags = IRQF_NO_THREAD, -}; - -void __init arch_init_irq(void) -{ - /* assume we'll be using vectored interrupt mode except in UP mode*/ -#ifdef CONFIG_MIPS_MT - BUG_ON(!cpu_has_vint); -#endif - /* initialize the 1st-level CPU based interrupt controller */ - mips_cpu_irq_init(); - -#ifdef CONFIG_IRQ_MSP_CIC - msp_cic_irq_init(); -#ifdef CONFIG_MIPS_MT - set_vi_handler(MSP_INT_CIC, msp_cic_irq_dispatch); - set_vi_handler(MSP_INT_MAC0, mac0_int_dispatch); - set_vi_handler(MSP_INT_MAC1, mac1_int_dispatch); - set_vi_handler(MSP_INT_SAR, mac2_int_dispatch); - set_vi_handler(MSP_INT_USB, usb_int_dispatch); - set_vi_handler(MSP_INT_SEC, sec_int_dispatch); -#ifdef CONFIG_MIPS_MT_SMP - msp_vsmp_int_init(); -#elif defined CONFIG_MIPS_MT_SMTC - /*Set hwmask for all platform devices */ - irq_hwmask[MSP_INT_MAC0] = C_IRQ0; - irq_hwmask[MSP_INT_MAC1] = C_IRQ1; - irq_hwmask[MSP_INT_USB] = C_IRQ2; - irq_hwmask[MSP_INT_SAR] = C_IRQ3; - irq_hwmask[MSP_INT_SEC] = C_IRQ5; - -#endif /* CONFIG_MIPS_MT_SMP */ -#endif /* CONFIG_MIPS_MT */ - /* setup the cascaded interrupts */ - setup_irq(MSP_INT_CIC, &cic_cascade_msp); - setup_irq(MSP_INT_PER, &per_cascade_msp); - -#else - /* setup the 2nd-level SLP register based interrupt controller */ - /* VSMP /SMTC support support is not enabled for SLP */ - msp_slp_irq_init(); - - /* setup the cascaded SLP/PER interrupts */ - setup_irq(MSP_INT_SLP, &cic_cascade_msp); - setup_irq(MSP_INT_PER, &per_cascade_msp); -#endif -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c deleted file mode 100644 index c4fa2d775d8..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c - * - * This file define the irq handler for MSP CIC subsystem interrupts. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/bitops.h> -#include <linux/irq.h> - -#include <asm/mipsregs.h> -#include <asm/system.h> - -#include <msp_cic_int.h> -#include <msp_regs.h> - -/* - * External API - */ -extern void msp_per_irq_init(void); -extern void msp_per_irq_dispatch(void); - - -/* - * Convenience Macro. Should be somewhere generic. - */ -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -#ifdef CONFIG_SMP - -#define LOCK_VPE(flags, mtflags) \ -do { \ - local_irq_save(flags); \ - mtflags = dmt(); \ -} while (0) - -#define UNLOCK_VPE(flags, mtflags) \ -do { \ - emt(mtflags); \ - local_irq_restore(flags);\ -} while (0) - -#define LOCK_CORE(flags, mtflags) \ -do { \ - local_irq_save(flags); \ - mtflags = dvpe(); \ -} while (0) - -#define UNLOCK_CORE(flags, mtflags) \ -do { \ - evpe(mtflags); \ - local_irq_restore(flags);\ -} while (0) - -#else - -#define LOCK_VPE(flags, mtflags) -#define UNLOCK_VPE(flags, mtflags) -#endif - -/* ensure writes to cic are completed */ -static inline void cic_wmb(void) -{ - const volatile void __iomem *cic_mem = CIC_VPE0_MSK_REG; - volatile u32 dummy_read; - - wmb(); - dummy_read = __raw_readl(cic_mem); - dummy_read++; -} - -static void unmask_cic_irq(struct irq_data *d) -{ - volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG; - int vpe; -#ifdef CONFIG_SMP - unsigned int mtflags; - unsigned long flags; - - /* - * Make sure we have IRQ affinity. It may have changed while - * we were processing the IRQ. - */ - if (!cpumask_test_cpu(smp_processor_id(), d->affinity)) - return; -#endif - - vpe = get_current_vpe(); - LOCK_VPE(flags, mtflags); - cic_msk_reg[vpe] |= (1 << (d->irq - MSP_CIC_INTBASE)); - UNLOCK_VPE(flags, mtflags); - cic_wmb(); -} - -static void mask_cic_irq(struct irq_data *d) -{ - volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG; - int vpe = get_current_vpe(); -#ifdef CONFIG_SMP - unsigned long flags, mtflags; -#endif - LOCK_VPE(flags, mtflags); - cic_msk_reg[vpe] &= ~(1 << (d->irq - MSP_CIC_INTBASE)); - UNLOCK_VPE(flags, mtflags); - cic_wmb(); -} -static void msp_cic_irq_ack(struct irq_data *d) -{ - mask_cic_irq(d); - /* - * Only really necessary for 18, 16-14 and sometimes 3:0 - * (since these can be edge sensitive) but it doesn't - * hurt for the others - */ - *CIC_STS_REG = (1 << (d->irq - MSP_CIC_INTBASE)); - smtc_im_ack_irq(d->irq); -} - -/*Note: Limiting to VSMP . Not tested in SMTC */ - -#ifdef CONFIG_MIPS_MT_SMP -static int msp_cic_irq_set_affinity(struct irq_data *d, - const struct cpumask *cpumask, bool force) -{ - int cpu; - unsigned long flags; - unsigned int mtflags; - unsigned long imask = (1 << (irq - MSP_CIC_INTBASE)); - volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG; - - /* timer balancing should be disabled in kernel code */ - BUG_ON(irq == MSP_INT_VPE0_TIMER || irq == MSP_INT_VPE1_TIMER); - - LOCK_CORE(flags, mtflags); - /* enable if any of each VPE's TCs require this IRQ */ - for_each_online_cpu(cpu) { - if (cpumask_test_cpu(cpu, cpumask)) - cic_mask[cpu] |= imask; - else - cic_mask[cpu] &= ~imask; - - } - - UNLOCK_CORE(flags, mtflags); - return 0; - -} -#endif - -static struct irq_chip msp_cic_irq_controller = { - .name = "MSP_CIC", - .irq_mask = mask_cic_irq, - .irq_mask_ack = msp_cic_irq_ack, - .irq_unmask = unmask_cic_irq, - .irq_ack = msp_cic_irq_ack, -#ifdef CONFIG_MIPS_MT_SMP - .irq_set_affinity = msp_cic_irq_set_affinity, -#endif -}; - -void __init msp_cic_irq_init(void) -{ - int i; - /* Mask/clear interrupts. */ - *CIC_VPE0_MSK_REG = 0x00000000; - *CIC_VPE1_MSK_REG = 0x00000000; - *CIC_STS_REG = 0xFFFFFFFF; - /* - * The MSP7120 RG and EVBD boards use IRQ[6:4] for PCI. - * These inputs map to EXT_INT_POL[6:4] inside the CIC. - * They are to be active low, level sensitive. - */ - *CIC_EXT_CFG_REG &= 0xFFFF8F8F; - - /* initialize all the IRQ descriptors */ - for (i = MSP_CIC_INTBASE ; i < MSP_CIC_INTBASE + 32 ; i++) { - irq_set_chip_and_handler(i, &msp_cic_irq_controller, - handle_level_irq); -#ifdef CONFIG_MIPS_MT_SMTC - /* Mask of CIC interrupt */ - irq_hwmask[i] = C_IRQ4; -#endif - } - - /* Initialize the PER interrupt sub-system */ - msp_per_irq_init(); -} - -/* CIC masked by CIC vector processing before dispatch called */ -void msp_cic_irq_dispatch(void) -{ - volatile u32 *cic_msk_reg = (volatile u32 *)CIC_VPE0_MSK_REG; - u32 cic_mask; - u32 pending; - int cic_status = *CIC_STS_REG; - cic_mask = cic_msk_reg[get_current_vpe()]; - pending = cic_status & cic_mask; - if (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE))) { - do_IRQ(MSP_INT_VPE0_TIMER); - } else if (pending & (1 << (MSP_INT_VPE1_TIMER - MSP_CIC_INTBASE))) { - do_IRQ(MSP_INT_VPE1_TIMER); - } else if (pending & (1 << (MSP_INT_PER - MSP_CIC_INTBASE))) { - msp_per_irq_dispatch(); - } else if (pending) { - do_IRQ(ffs(pending) + MSP_CIC_INTBASE - 1); - } else{ - spurious_interrupt(); - } -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c deleted file mode 100644 index 98fd0099d96..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c - * - * This file define the irq handler for MSP PER subsystem interrupts. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/bitops.h> - -#include <asm/mipsregs.h> -#include <asm/system.h> - -#include <msp_cic_int.h> -#include <msp_regs.h> - - -/* - * Convenience Macro. Should be somewhere generic. - */ -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -#ifdef CONFIG_SMP -/* - * The PER registers must be protected from concurrent access. - */ - -static DEFINE_SPINLOCK(per_lock); -#endif - -/* ensure writes to per are completed */ - -static inline void per_wmb(void) -{ - const volatile void __iomem *per_mem = PER_INT_MSK_REG; - volatile u32 dummy_read; - - wmb(); - dummy_read = __raw_readl(per_mem); - dummy_read++; -} - -static inline void unmask_per_irq(struct irq_data *d) -{ -#ifdef CONFIG_SMP - unsigned long flags; - spin_lock_irqsave(&per_lock, flags); - *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE)); - spin_unlock_irqrestore(&per_lock, flags); -#else - *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE)); -#endif - per_wmb(); -} - -static inline void mask_per_irq(struct irq_data *d) -{ -#ifdef CONFIG_SMP - unsigned long flags; - spin_lock_irqsave(&per_lock, flags); - *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE)); - spin_unlock_irqrestore(&per_lock, flags); -#else - *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE)); -#endif - per_wmb(); -} - -static inline void msp_per_irq_ack(struct irq_data *d) -{ - mask_per_irq(d); - /* - * In the PER interrupt controller, only bits 11 and 10 - * are write-to-clear, (SPI TX complete, SPI RX complete). - * It does nothing for any others. - */ - *PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE)); -} - -#ifdef CONFIG_SMP -static int msp_per_irq_set_affinity(struct irq_data *d, - const struct cpumask *affinity, bool force) -{ - /* WTF is this doing ????? */ - unmask_per_irq(d); - return 0; -} -#endif - -static struct irq_chip msp_per_irq_controller = { - .name = "MSP_PER", - .irq_enable = unmask_per_irq, - .irq_disable = mask_per_irq, - .irq_ack = msp_per_irq_ack, -#ifdef CONFIG_SMP - .irq_set_affinity = msp_per_irq_set_affinity, -#endif -}; - -void __init msp_per_irq_init(void) -{ - int i; - /* Mask/clear interrupts. */ - *PER_INT_MSK_REG = 0x00000000; - *PER_INT_STS_REG = 0xFFFFFFFF; - /* initialize all the IRQ descriptors */ - for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) { - irq_set_chip(i, &msp_per_irq_controller); -#ifdef CONFIG_MIPS_MT_SMTC - irq_hwmask[i] = C_IRQ4; -#endif - } -} - -void msp_per_irq_dispatch(void) -{ - u32 per_mask = *PER_INT_MSK_REG; - u32 per_status = *PER_INT_STS_REG; - u32 pending; - - pending = per_status & per_mask; - if (pending) { - do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1); - } else { - spurious_interrupt(); - } -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c deleted file mode 100644 index 5bbcc47da6b..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * This file define the irq handler for MSP SLM subsystem interrupts. - * - * Copyright 2005-2006 PMC-Sierra, Inc, derived from irq_cpu.c - * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/bitops.h> - -#include <asm/mipsregs.h> -#include <asm/system.h> - -#include <msp_slp_int.h> -#include <msp_regs.h> - -static inline void unmask_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_MSK_REG |= (1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE)); -} - -static inline void mask_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_MSK_REG &= ~(1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_MSK_REG &= ~(1 << (irq - MSP_PER_INTBASE)); -} - -/* - * While we ack the interrupt interrupts are disabled and thus we don't need - * to deal with concurrency issues. Same for msp_slp_irq_end. - */ -static inline void ack_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_STS_REG = (1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_STS_REG = (1 << (irq - MSP_PER_INTBASE)); -} - -static struct irq_chip msp_slp_irq_controller = { - .name = "MSP_SLP", - .irq_ack = ack_msp_slp_irq, - .irq_mask = mask_msp_slp_irq, - .irq_unmask = unmask_msp_slp_irq, -}; - -void __init msp_slp_irq_init(void) -{ - int i; - - /* Mask/clear interrupts. */ - *SLP_INT_MSK_REG = 0x00000000; - *PER_INT_MSK_REG = 0x00000000; - *SLP_INT_STS_REG = 0xFFFFFFFF; - *PER_INT_STS_REG = 0xFFFFFFFF; - - /* initialize all the IRQ descriptors */ - for (i = MSP_SLP_INTBASE; i < MSP_PER_INTBASE + 32; i++) - irq_set_chip_and_handler(i, &msp_slp_irq_controller, - handle_level_irq); -} - -void msp_slp_irq_dispatch(void) -{ - u32 pending; - int intbase; - - intbase = MSP_SLP_INTBASE; - pending = *SLP_INT_STS_REG & *SLP_INT_MSK_REG; - - /* check for PER interrupt */ - if (pending == (1 << (MSP_INT_PER - MSP_SLP_INTBASE))) { - intbase = MSP_PER_INTBASE; - pending = *PER_INT_STS_REG & *PER_INT_MSK_REG; - } - - /* check for spurious interrupt */ - if (pending == 0x00000000) { - printk(KERN_ERR "Spurious %s interrupt?\n", - (intbase == MSP_SLP_INTBASE) ? "SLP" : "PER"); - return; - } - - /* dispatch the irq */ - do_IRQ(ffs(pending) + intbase - 1); -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_pci.c b/arch/mips/pmc-sierra/msp71xx/msp_pci.c deleted file mode 100644 index f764fe7748d..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_pci.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * The setup file for PCI related hardware on PMC-Sierra MSP processors. - * - * Copyright 2005-2006 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -extern void msp_pci_init(void); - -static int __init msp_pci_setup(void) -{ -#if 0 /* Linux 2.6 initialization code to be completed */ - if (getdeviceid() & DEV_ID_SINGLE_PC) { - /* If single card mode */ - slmRegs *sreg = (slmRegs *) SREG_BASE; - - sreg->single_pc_enable = SINGLE_PCCARD; - } -#endif - - msp_pci_init(); - - return 0; -} - -subsys_initcall(msp_pci_setup); diff --git a/arch/mips/pmc-sierra/msp71xx/msp_prom.c b/arch/mips/pmc-sierra/msp71xx/msp_prom.c deleted file mode 100644 index db00deb59b9..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_prom.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * PROM library initialisation code, assuming a version of - * pmon is the boot code. - * - * Copyright 2000,2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This file was derived from Carsten Langgaard's - * arch/mips/mips-boards/xx files. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/slab.h> - -#include <asm/addrspace.h> -#include <asm/bootinfo.h> -#include <asm-generic/sections.h> -#include <asm/page.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -/* global PROM environment variables and pointers */ -int prom_argc; -char **prom_argv, **prom_envp; -int *prom_vec; - -/* debug flag */ -int init_debug = 1; - -/* memory blocks */ -struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; - -/* default feature sets */ -static char msp_default_features[] = -#if defined(CONFIG_PMC_MSP4200_EVAL) \ - || defined(CONFIG_PMC_MSP4200_GW) - "ERER"; -#elif defined(CONFIG_PMC_MSP7120_EVAL) \ - || defined(CONFIG_PMC_MSP7120_GW) - "EMEMSP"; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - "EMEM"; -#endif - -/* conversion functions */ -static inline unsigned char str2hexnum(unsigned char c) -{ - if (c >= '0' && c <= '9') - return c - '0'; - if (c >= 'a' && c <= 'f') - return c - 'a' + 10; - return 0; /* foo */ -} - -static inline int str2eaddr(unsigned char *ea, unsigned char *str) -{ - int index = 0; - unsigned char num = 0; - - while (*str != '\0') { - if ((*str == '.') || (*str == ':')) { - ea[index++] = num; - num = 0; - str++; - } else { - num = num << 4; - num |= str2hexnum(*str++); - } - } - - if (index == 5) { - ea[index++] = num; - return 0; - } else - return -1; -} -EXPORT_SYMBOL(str2eaddr); - -static inline unsigned long str2hex(unsigned char *str) -{ - int value = 0; - - while (*str) { - value = value << 4; - value |= str2hexnum(*str++); - } - - return value; -} - -/* function to query the system information */ -const char *get_system_type(void) -{ -#if defined(CONFIG_PMC_MSP4200_EVAL) - return "PMC-Sierra MSP4200 Eval Board"; -#elif defined(CONFIG_PMC_MSP4200_GW) - return "PMC-Sierra MSP4200 VoIP Gateway"; -#elif defined(CONFIG_PMC_MSP7120_EVAL) - return "PMC-Sierra MSP7120 Eval Board"; -#elif defined(CONFIG_PMC_MSP7120_GW) - return "PMC-Sierra MSP7120 Residential Gateway"; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - return "PMC-Sierra MSP7120 FPGA"; -#else - #error "What is the type of *your* MSP?" -#endif -} - -int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr) -{ - char *ethaddr_str; - - ethaddr_str = prom_getenv(ethaddr_name); - if (!ethaddr_str) { - printk(KERN_WARNING "%s not set in boot prom\n", ethaddr_name); - return -1; - } - - if (str2eaddr(ethernet_addr, ethaddr_str) == -1) { - printk(KERN_WARNING "%s badly formatted-<%s>\n", - ethaddr_name, ethaddr_str); - return -1; - } - - if (init_debug > 1) { - int i; - printk(KERN_DEBUG "get_ethernet_addr: for %s ", ethaddr_name); - for (i = 0; i < 5; i++) - printk(KERN_DEBUG "%02x:", - (unsigned char)*(ethernet_addr+i)); - printk(KERN_DEBUG "%02x\n", *(ethernet_addr+i)); - } - - return 0; -} -EXPORT_SYMBOL(get_ethernet_addr); - -static char *get_features(void) -{ - char *feature = prom_getenv(FEATURES); - - if (feature == NULL) { - /* default features based on MACHINE_TYPE */ - feature = msp_default_features; - } - - return feature; -} - -static char test_feature(char c) -{ - char *feature = get_features(); - - while (*feature) { - if (*feature++ == c) - return *feature; - feature++; - } - - return FEATURE_NOEXIST; -} - -unsigned long get_deviceid(void) -{ - char *deviceid = prom_getenv(DEVICEID); - - if (deviceid == NULL) - return *DEV_ID_REG; - else - return str2hex(deviceid); -} - -char identify_pci(void) -{ - return test_feature(PCI_KEY); -} -EXPORT_SYMBOL(identify_pci); - -char identify_pcimux(void) -{ - return test_feature(PCIMUX_KEY); -} - -char identify_sec(void) -{ - return test_feature(SEC_KEY); -} -EXPORT_SYMBOL(identify_sec); - -char identify_spad(void) -{ - return test_feature(SPAD_KEY); -} -EXPORT_SYMBOL(identify_spad); - -char identify_tdm(void) -{ - return test_feature(TDM_KEY); -} -EXPORT_SYMBOL(identify_tdm); - -char identify_zsp(void) -{ - return test_feature(ZSP_KEY); -} -EXPORT_SYMBOL(identify_zsp); - -static char identify_enetfeature(char key, unsigned long interface_num) -{ - char *feature = get_features(); - - while (*feature) { - if (*feature++ == key && interface_num-- == 0) - return *feature; - feature++; - } - - return FEATURE_NOEXIST; -} - -char identify_enet(unsigned long interface_num) -{ - return identify_enetfeature(ENET_KEY, interface_num); -} -EXPORT_SYMBOL(identify_enet); - -char identify_enetTxD(unsigned long interface_num) -{ - return identify_enetfeature(ENETTXD_KEY, interface_num); -} -EXPORT_SYMBOL(identify_enetTxD); - -unsigned long identify_family(void) -{ - unsigned long deviceid; - - deviceid = get_deviceid(); - - return deviceid & CPU_DEVID_FAMILY; -} -EXPORT_SYMBOL(identify_family); - -unsigned long identify_revision(void) -{ - unsigned long deviceid; - - deviceid = get_deviceid(); - - return deviceid & CPU_DEVID_REVISION; -} -EXPORT_SYMBOL(identify_revision); - -/* PROM environment functions */ -char *prom_getenv(char *env_name) -{ - /* - * Return a pointer to the given environment variable. prom_envp - * points to a null terminated array of pointers to variables. - * Environment variables are stored in the form of "memsize=64" - */ - - char **var = prom_envp; - int i = strlen(env_name); - - while (*var) { - if (strncmp(env_name, *var, i) == 0) { - return (*var + strlen(env_name) + 1); - } - var++; - } - - return NULL; -} - -/* PROM commandline functions */ -void __init prom_init_cmdline(void) -{ - char *cp; - int actr; - - actr = 1; /* Always ignore argv[0] */ - - cp = &(arcs_cmdline[0]); - while (actr < prom_argc) { - strcpy(cp, prom_argv[actr]); - cp += strlen(prom_argv[actr]); - *cp++ = ' '; - actr++; - } - if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ - --cp; - *cp = '\0'; -} - -/* memory allocation functions */ -static int __init prom_memtype_classify(unsigned int type) -{ - switch (type) { - case yamon_free: - return BOOT_MEM_RAM; - case yamon_prom: - return BOOT_MEM_ROM_DATA; - default: - return BOOT_MEM_RESERVED; - } -} - -void __init prom_meminit(void) -{ - struct prom_pmemblock *p; - - p = prom_getmdesc(); - - while (p->size) { - long type; - unsigned long base, size; - - type = prom_memtype_classify(p->type); - base = p->base; - size = p->size; - - add_memory_region(base, size, type); - p++; - } -} - -void __init prom_free_prom_memory(void) -{ - int argc; - char **argv; - char **envp; - char *ptr; - int len = 0; - int i; - unsigned long addr; - - /* - * preserve environment variables and command line from pmon/bbload - * first preserve the command line - */ - for (argc = 0; argc < prom_argc; argc++) { - len += sizeof(char *); /* length of pointer */ - len += strlen(prom_argv[argc]) + 1; /* length of string */ - } - len += sizeof(char *); /* plus length of null pointer */ - - argv = kmalloc(len, GFP_KERNEL); - ptr = (char *) &argv[prom_argc + 1]; /* strings follow array */ - - for (argc = 0; argc < prom_argc; argc++) { - argv[argc] = ptr; - strcpy(ptr, prom_argv[argc]); - ptr += strlen(prom_argv[argc]) + 1; - } - argv[prom_argc] = NULL; /* end array with null pointer */ - prom_argv = argv; - - /* next preserve the environment variables */ - len = 0; - i = 0; - for (envp = prom_envp; *envp != NULL; envp++) { - i++; /* count number of environment variables */ - len += sizeof(char *); /* length of pointer */ - len += strlen(*envp) + 1; /* length of string */ - } - len += sizeof(char *); /* plus length of null pointer */ - - envp = kmalloc(len, GFP_KERNEL); - ptr = (char *) &envp[i+1]; - - for (argc = 0; argc < i; argc++) { - envp[argc] = ptr; - strcpy(ptr, prom_envp[argc]); - ptr += strlen(prom_envp[argc]) + 1; - } - envp[i] = NULL; /* end array with null pointer */ - prom_envp = envp; - - for (i = 0; i < boot_mem_map.nr_map; i++) { - if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) - continue; - - addr = boot_mem_map.map[i].addr; - free_init_pages("prom memory", - addr, addr + boot_mem_map.map[i].size); - } -} - -struct prom_pmemblock *__init prom_getmdesc(void) -{ - static char memsz_env[] __initdata = "memsize"; - static char heaptop_env[] __initdata = "heaptop"; - char *str; - unsigned int memsize; - unsigned int heaptop; - int i; - - str = prom_getenv(memsz_env); - if (!str) { - ppfinit("memsize not set in boot prom, " - "set to default (32Mb)\n"); - memsize = 0x02000000; - } else { - memsize = simple_strtol(str, NULL, 0); - - if (memsize == 0) { - /* if memsize is a bad size, use reasonable default */ - memsize = 0x02000000; - } - - /* convert to physical address (removing caching bits, etc) */ - memsize = CPHYSADDR(memsize); - } - - str = prom_getenv(heaptop_env); - if (!str) { - heaptop = CPHYSADDR((u32)&_text); - ppfinit("heaptop not set in boot prom, " - "set to default 0x%08x\n", heaptop); - } else { - heaptop = simple_strtol(str, NULL, 16); - if (heaptop == 0) { - /* heaptop conversion bad, might have 0xValue */ - heaptop = simple_strtol(str, NULL, 0); - - if (heaptop == 0) { - /* heaptop still bad, use reasonable default */ - heaptop = CPHYSADDR((u32)&_text); - } - } - - /* convert to physical address (removing caching bits, etc) */ - heaptop = CPHYSADDR((u32)heaptop); - } - - /* the base region */ - i = 0; - mdesc[i].type = BOOT_MEM_RESERVED; - mdesc[i].base = 0x00000000; - mdesc[i].size = PAGE_ALIGN(0x300 + 0x80); - /* jtag interrupt vector + sizeof vector */ - - /* PMON data */ - if (heaptop > mdesc[i].base + mdesc[i].size) { - i++; /* 1 */ - mdesc[i].type = BOOT_MEM_ROM_DATA; - mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size; - mdesc[i].size = heaptop - mdesc[i].base; - } - - /* end of PMON data to start of kernel -- probably zero .. */ - if (heaptop != CPHYSADDR((u32)_text)) { - i++; /* 2 */ - mdesc[i].type = BOOT_MEM_RAM; - mdesc[i].base = heaptop; - mdesc[i].size = CPHYSADDR((u32)_text) - mdesc[i].base; - } - - /* kernel proper */ - i++; /* 3 */ - mdesc[i].type = BOOT_MEM_RESERVED; - mdesc[i].base = CPHYSADDR((u32)_text); - mdesc[i].size = CPHYSADDR(PAGE_ALIGN((u32)_end)) - mdesc[i].base; - - /* Remainder of RAM -- under memsize */ - i++; /* 5 */ - mdesc[i].type = yamon_free; - mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size; - mdesc[i].size = memsize - mdesc[i].base; - - return &mdesc[0]; -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_serial.c b/arch/mips/pmc-sierra/msp71xx/msp_serial.c deleted file mode 100644 index a1c7c7da233..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_serial.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * The setup file for serial related hardware on PMC-Sierra MSP processors. - * - * Copyright 2005 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_reg.h> -#include <linux/slab.h> - -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/serial.h> -#include <linux/serial_8250.h> - -#include <msp_prom.h> -#include <msp_int.h> -#include <msp_regs.h> - -struct msp_uart_data { - int last_lcr; -}; - -static void msp_serial_out(struct uart_port *p, int offset, int value) -{ - struct msp_uart_data *d = p->private_data; - - if (offset == UART_LCR) - d->last_lcr = value; - - offset <<= p->regshift; - writeb(value, p->membase + offset); -} - -static unsigned int msp_serial_in(struct uart_port *p, int offset) -{ - offset <<= p->regshift; - - return readb(p->membase + offset); -} - -static int msp_serial_handle_irq(struct uart_port *p) -{ - struct msp_uart_data *d = p->private_data; - unsigned int iir = readb(p->membase + (UART_IIR << p->regshift)); - - if (serial8250_handle_irq(p, iir)) { - return 1; - } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) { - /* - * The DesignWare APB UART has an Busy Detect (0x07) interrupt - * meaning an LCR write attempt occurred while the UART was - * busy. The interrupt must be cleared by reading the UART - * status register (USR) and the LCR re-written. - * - * Note: MSP reserves 0x20 bytes of address space for the UART - * and the USR is mapped in a separate block at an offset of - * 0xc0 from the start of the UART. - */ - (void)readb(p->membase + 0xc0); - writeb(d->last_lcr, p->membase + (UART_LCR << p->regshift)); - - return 1; - } - - return 0; -} - -void __init msp_serial_setup(void) -{ - char *s; - char *endp; - struct uart_port up; - unsigned int uartclk; - - memset(&up, 0, sizeof(up)); - - /* Check if clock was specified in environment */ - s = prom_getenv("uartfreqhz"); - if(!(s && *s && (uartclk = simple_strtoul(s, &endp, 10)) && *endp == 0)) - uartclk = MSP_BASE_BAUD; - ppfinit("UART clock set to %d\n", uartclk); - - /* Initialize first serial port */ - up.mapbase = MSP_UART0_BASE; - up.membase = ioremap_nocache(up.mapbase, MSP_UART_REG_LEN); - up.irq = MSP_INT_UART0; - up.uartclk = uartclk; - up.regshift = 2; - up.iotype = UPIO_MEM; - up.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; - up.type = PORT_16550A; - up.line = 0; - up.serial_out = msp_serial_out; - up.serial_in = msp_serial_in; - up.handle_irq = msp_serial_handle_irq; - up.private_data = kzalloc(sizeof(struct msp_uart_data), GFP_KERNEL); - if (!up.private_data) { - pr_err("failed to allocate uart private data\n"); - return; - } - if (early_serial_setup(&up)) { - kfree(up.private_data); - pr_err("Early serial init of port 0 failed\n"); - } - - /* Initialize the second serial port, if one exists */ - switch (mips_machtype) { - case MACH_MSP4200_EVAL: - case MACH_MSP4200_GW: - case MACH_MSP4200_FPGA: - case MACH_MSP7120_EVAL: - case MACH_MSP7120_GW: - case MACH_MSP7120_FPGA: - /* Enable UART1 on MSP4200 and MSP7120 */ - *GPIO_CFG2_REG = 0x00002299; - break; - - default: - return; /* No second serial port, good-bye. */ - } - - up.mapbase = MSP_UART1_BASE; - up.membase = ioremap_nocache(up.mapbase, MSP_UART_REG_LEN); - up.irq = MSP_INT_UART1; - up.line = 1; - up.private_data = (void*)UART1_STATUS_REG; - if (early_serial_setup(&up)) { - kfree(up.private_data); - pr_err("Early serial init of port 1 failed\n"); - } -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c deleted file mode 100644 index 7a834b2f8a5..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * The generic setup file for PMC-Sierra MSP processors - * - * Copyright 2005-2007 PMC-Sierra, Inc, - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <asm/bootinfo.h> -#include <asm/cacheflush.h> -#include <asm/r4kcache.h> -#include <asm/reboot.h> -#include <asm/smp-ops.h> -#include <asm/time.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -#if defined(CONFIG_PMC_MSP7120_GW) -#include <msp_regops.h> -#define MSP_BOARD_RESET_GPIO 9 -#endif - -extern void msp_serial_setup(void); -extern void pmctwiled_setup(void); - -#if defined(CONFIG_PMC_MSP7120_EVAL) || \ - defined(CONFIG_PMC_MSP7120_GW) || \ - defined(CONFIG_PMC_MSP7120_FPGA) -/* - * Performs the reset for MSP7120-based boards - */ -void msp7120_reset(void) -{ - void *start, *end, *iptr; - register int i; - - /* Diasble all interrupts */ - local_irq_disable(); -#ifdef CONFIG_SYS_SUPPORTS_MULTITHREADING - dvpe(); -#endif - - /* Cache the reset code of this function */ - __asm__ __volatile__ ( - " .set push \n" - " .set mips3 \n" - " la %0,startpoint \n" - " la %1,endpoint \n" - " .set pop \n" - : "=r" (start), "=r" (end) - : - ); - - for (iptr = (void *)((unsigned int)start & ~(L1_CACHE_BYTES - 1)); - iptr < end; iptr += L1_CACHE_BYTES) - cache_op(Fill, iptr); - - __asm__ __volatile__ ( - "startpoint: \n" - ); - - /* Put the DDRC into self-refresh mode */ - DDRC_INDIRECT_WRITE(DDRC_CTL(10), 0xb, 1 << 16); - - /* - * IMPORTANT! - * DO NOT do anything from here on out that might even - * think about fetching from RAM - i.e., don't call any - * non-inlined functions, and be VERY sure that any inline - * functions you do call do NOT access any sort of RAM - * anywhere! - */ - - /* Wait a bit for the DDRC to settle */ - for (i = 0; i < 100000000; i++); - -#if defined(CONFIG_PMC_MSP7120_GW) - /* - * Set GPIO 9 HI, (tied to board reset logic) - * GPIO 9 is the 4th GPIO of register 3 - * - * NOTE: We cannot use the higher-level msp_gpio_mode()/out() - * as GPIO char driver may not be enabled and it would look up - * data inRAM! - */ - set_value_reg32(GPIO_CFG3_REG, 0xf000, 0x8000); - set_reg32(GPIO_DATA3_REG, 8); - - /* - * In case GPIO9 doesn't reset the board (jumper configurable!) - * fallback to device reset below. - */ -#endif - /* Set bit 1 of the MSP7120 reset register */ - *RST_SET_REG = 0x00000001; - - __asm__ __volatile__ ( - "endpoint: \n" - ); -} -#endif - -void msp_restart(char *command) -{ - printk(KERN_WARNING "Now rebooting .......\n"); - -#if defined(CONFIG_PMC_MSP7120_EVAL) || \ - defined(CONFIG_PMC_MSP7120_GW) || \ - defined(CONFIG_PMC_MSP7120_FPGA) - msp7120_reset(); -#else - /* No chip-specific reset code, just jump to the ROM reset vector */ - set_c0_status(ST0_BEV | ST0_ERL); - change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); - flush_cache_all(); - write_c0_wired(0); - - __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); -#endif -} - -void msp_halt(void) -{ - printk(KERN_WARNING "\n** You can safely turn off the power\n"); - while (1) - /* If possible call official function to get CPU WARs */ - if (cpu_wait) - (*cpu_wait)(); - else - __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); -} - -void msp_power_off(void) -{ - msp_halt(); -} - -void __init plat_mem_setup(void) -{ - _machine_restart = msp_restart; - _machine_halt = msp_halt; - pm_power_off = msp_power_off; -} - -extern struct plat_smp_ops msp_smtc_smp_ops; - -void __init prom_init(void) -{ - unsigned long family; - unsigned long revision; - - prom_argc = fw_arg0; - prom_argv = (char **)fw_arg1; - prom_envp = (char **)fw_arg2; - - /* - * Someday we can use this with PMON2000 to get a - * platform call prom routines for output etc. without - * having to use grody hacks. For now it's unused. - * - * struct callvectors *cv = (struct callvectors *) fw_arg3; - */ - family = identify_family(); - revision = identify_revision(); - - switch (family) { - case FAMILY_FPGA: - if (FPGA_IS_MSP4200(revision)) { - /* Old-style revision ID */ - mips_machtype = MACH_MSP4200_FPGA; - } else { - mips_machtype = MACH_MSP_OTHER; - } - break; - - case FAMILY_MSP4200: -#if defined(CONFIG_PMC_MSP4200_EVAL) - mips_machtype = MACH_MSP4200_EVAL; -#elif defined(CONFIG_PMC_MSP4200_GW) - mips_machtype = MACH_MSP4200_GW; -#else - mips_machtype = MACH_MSP_OTHER; -#endif - break; - - case FAMILY_MSP4200_FPGA: - mips_machtype = MACH_MSP4200_FPGA; - break; - - case FAMILY_MSP7100: -#if defined(CONFIG_PMC_MSP7120_EVAL) - mips_machtype = MACH_MSP7120_EVAL; -#elif defined(CONFIG_PMC_MSP7120_GW) - mips_machtype = MACH_MSP7120_GW; -#else - mips_machtype = MACH_MSP_OTHER; -#endif - break; - - case FAMILY_MSP7100_FPGA: - mips_machtype = MACH_MSP7120_FPGA; - break; - - default: - /* we don't recognize the machine */ - mips_machtype = MACH_UNKNOWN; - panic("***Bogosity factor five***, exiting"); - break; - } - - prom_init_cmdline(); - - prom_meminit(); - - /* - * Sub-system setup follows. - * Setup functions can either be called here or using the - * subsys_initcall mechanism (i.e. see msp_pci_setup). The - * order in which they are called can be changed by using the - * link order in arch/mips/pmc-sierra/msp71xx/Makefile. - * - * NOTE: Please keep sub-system specific initialization code - * in separate specific files. - */ - msp_serial_setup(); - - if (register_vsmp_smp_ops()) { -#ifdef CONFIG_MIPS_MT_SMTC - register_smp_ops(&msp_smtc_smp_ops); -#endif - } - -#ifdef CONFIG_PMCTWILED - /* - * Setup LED states before the subsys_initcall loads other - * dependent drivers/modules. - */ - pmctwiled_setup(); -#endif -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_smp.c b/arch/mips/pmc-sierra/msp71xx/msp_smp.c deleted file mode 100644 index 10170580a2d..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_smp.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc. - * Copyright (C) 2001 Ralf Baechle - * Copyright (C) 2010 PMC-Sierra, Inc. - * - * VSMP support for MSP platforms . Derived from malta vsmp support. - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - */ -#include <linux/smp.h> -#include <linux/interrupt.h> - -#ifdef CONFIG_MIPS_MT_SMP -#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */ -#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for call */ - - -static void ipi_resched_dispatch(void) -{ - do_IRQ(MIPS_CPU_IPI_RESCHED_IRQ); -} - -static void ipi_call_dispatch(void) -{ - do_IRQ(MIPS_CPU_IPI_CALL_IRQ); -} - -static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) -{ - return IRQ_HANDLED; -} - -static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) -{ - smp_call_function_interrupt(); - - return IRQ_HANDLED; -} - -static struct irqaction irq_resched = { - .handler = ipi_resched_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_resched" -}; - -static struct irqaction irq_call = { - .handler = ipi_call_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_call" -}; - -void __init arch_init_ipiirq(int irq, struct irqaction *action) -{ - setup_irq(irq, action); - irq_set_handler(irq, handle_percpu_irq); -} - -void __init msp_vsmp_int_init(void) -{ - set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch); - set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch); - arch_init_ipiirq(MIPS_CPU_IPI_RESCHED_IRQ, &irq_resched); - arch_init_ipiirq(MIPS_CPU_IPI_CALL_IRQ, &irq_call); -} -#endif /* CONFIG_MIPS_MT_SMP */ diff --git a/arch/mips/pmc-sierra/msp71xx/msp_smtc.c b/arch/mips/pmc-sierra/msp71xx/msp_smtc.c deleted file mode 100644 index c8dcc1c01e1..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_smtc.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * MSP71xx Platform-specific hooks for SMP operation - */ -#include <linux/irq.h> -#include <linux/init.h> - -#include <asm/mipsmtregs.h> -#include <asm/mipsregs.h> -#include <asm/smtc.h> -#include <asm/smtc_ipi.h> - -/* VPE/SMP Prototype implements platform interfaces directly */ - -/* - * Cause the specified action to be performed on a targeted "CPU" - */ - -static void msp_smtc_send_ipi_single(int cpu, unsigned int action) -{ - /* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */ - smtc_send_ipi(cpu, LINUX_SMP_IPI, action); -} - -static void msp_smtc_send_ipi_mask(const struct cpumask *mask, - unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - msp_smtc_send_ipi_single(i, action); -} - -/* - * Post-config but pre-boot cleanup entry point - */ -static void __cpuinit msp_smtc_init_secondary(void) -{ - int myvpe; - - /* Don't enable Malta I/O interrupts (IP2) for secondary VPEs */ - myvpe = read_c0_tcbind() & TCBIND_CURVPE; - if (myvpe > 0) - change_c0_status(ST0_IM, STATUSF_IP0 | STATUSF_IP1 | - STATUSF_IP6 | STATUSF_IP7); - smtc_init_secondary(); -} - -/* - * Platform "CPU" startup hook - */ -static void __cpuinit msp_smtc_boot_secondary(int cpu, - struct task_struct *idle) -{ - smtc_boot_secondary(cpu, idle); -} - -/* - * SMP initialization finalization entry point - */ -static void __cpuinit msp_smtc_smp_finish(void) -{ - smtc_smp_finish(); -} - -/* - * Hook for after all CPUs are online - */ - -static void msp_smtc_cpus_done(void) -{ -} - -/* - * Platform SMP pre-initialization - * - * As noted above, we can assume a single CPU for now - * but it may be multithreaded. - */ - -static void __init msp_smtc_smp_setup(void) -{ - /* - * we won't get the definitive value until - * we've run smtc_prepare_cpus later, but - */ - - if (read_c0_config3() & (1 << 2)) - smp_num_siblings = smtc_build_cpu_map(0); -} - -static void __init msp_smtc_prepare_cpus(unsigned int max_cpus) -{ - smtc_prepare_cpus(max_cpus); -} - -struct plat_smp_ops msp_smtc_smp_ops = { - .send_ipi_single = msp_smtc_send_ipi_single, - .send_ipi_mask = msp_smtc_send_ipi_mask, - .init_secondary = msp_smtc_init_secondary, - .smp_finish = msp_smtc_smp_finish, - .cpus_done = msp_smtc_cpus_done, - .boot_secondary = msp_smtc_boot_secondary, - .smp_setup = msp_smtc_smp_setup, - .prepare_cpus = msp_smtc_prepare_cpus, -}; diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c deleted file mode 100644 index 8b42f307a7a..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_time.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Setting up the clock on MSP SOCs. No RTC typically. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - */ - -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include <linux/ptrace.h> - -#include <asm/cevt-r4k.h> -#include <asm/mipsregs.h> -#include <asm/time.h> - -#include <msp_prom.h> -#include <msp_int.h> -#include <msp_regs.h> - -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -static struct irqaction timer_vpe1; -static int tim_installed; - -void __init plat_time_init(void) -{ - char *endp, *s; - unsigned long cpu_rate = 0; - - if (cpu_rate == 0) { - s = prom_getenv("clkfreqhz"); - cpu_rate = simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in Hz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { - s = prom_getenv("clkfreq"); - cpu_rate = 1000 * simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in MHz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { -#if defined(CONFIG_PMC_MSP7120_EVAL) \ - || defined(CONFIG_PMC_MSP7120_GW) - cpu_rate = 400000000; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - cpu_rate = 25000000; -#else - cpu_rate = 150000000; -#endif - printk(KERN_ERR - "Failed to determine CPU clock rate, " - "assuming %ld hz ...\n", cpu_rate); - } - - printk(KERN_WARNING "Clock rate set to %ld\n", cpu_rate); - - /* timer frequency is 1/2 clock rate */ - mips_hpt_frequency = cpu_rate/2; -} - -unsigned int __cpuinit get_c0_compare_int(void) -{ - /* MIPS_MT modes may want timer for second VPE */ - if ((get_current_vpe()) && !tim_installed) { - memcpy(&timer_vpe1, &c0_compare_irqaction, sizeof(timer_vpe1)); - setup_irq(MSP_INT_VPE1_TIMER, &timer_vpe1); - tim_installed++; - } - - return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER; -} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_usb.c b/arch/mips/pmc-sierra/msp71xx/msp_usb.c deleted file mode 100644 index 9a1aef89bd4..00000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_usb.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * The setup file for USB related hardware on PMC-Sierra MSP processors. - * - * Copyright 2006 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET) - -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> - -#include <asm/mipsregs.h> - -#include <msp_regs.h> -#include <msp_int.h> -#include <msp_prom.h> -#include <msp_usb.h> - - -#if defined(CONFIG_USB_EHCI_HCD) -static struct resource msp_usbhost0_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB0_HS_START, - .end = MSP_USB0_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB0_MAB_START, - .end = MSP_USB0_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB0_ID_START, - .end = MSP_USB0_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -static u64 msp_usbhost0_dma_mask = 0xffffffffUL; - -static struct mspusb_device msp_usbhost0_device = { - .dev = { - .name = "pmcmsp-ehci", - .id = 0, - .dev = { - .dma_mask = &msp_usbhost0_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbhost0_resources), - .resource = msp_usbhost0_resources, - }, -}; - -/* MSP7140/MSP82XX has two USB2 hosts. */ -#ifdef CONFIG_MSP_HAS_DUAL_USB -static u64 msp_usbhost1_dma_mask = 0xffffffffUL; - -static struct resource msp_usbhost1_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB1_HS_START, - .end = MSP_USB1_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB1_MAB_START, - .end = MSP_USB1_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB1_ID_START, - .end = MSP_USB1_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -static struct mspusb_device msp_usbhost1_device = { - .dev = { - .name = "pmcmsp-ehci", - .id = 1, - .dev = { - .dma_mask = &msp_usbhost1_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbhost1_resources), - .resource = msp_usbhost1_resources, - }, -}; -#endif /* CONFIG_MSP_HAS_DUAL_USB */ -#endif /* CONFIG_USB_EHCI_HCD */ - -#if defined(CONFIG_USB_GADGET) -static struct resource msp_usbdev0_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB0_HS_START, - .end = MSP_USB0_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB0_MAB_START, - .end = MSP_USB0_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB0_ID_START, - .end = MSP_USB0_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -static u64 msp_usbdev_dma_mask = 0xffffffffUL; - -/* This may need to be converted to a mspusb_device, too. */ -static struct mspusb_device msp_usbdev0_device = { - .dev = { - .name = "msp71xx_udc", - .id = 0, - .dev = { - .dma_mask = &msp_usbdev_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbdev0_resources), - .resource = msp_usbdev0_resources, - }, -}; - -#ifdef CONFIG_MSP_HAS_DUAL_USB -static struct resource msp_usbdev1_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB1_HS_START, - .end = MSP_USB1_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB1_MAB_START, - .end = MSP_USB1_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB1_ID_START, - .end = MSP_USB1_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -/* This may need to be converted to a mspusb_device, too. */ -static struct mspusb_device msp_usbdev1_device = { - .dev = { - .name = "msp71xx_udc", - .id = 0, - .dev = { - .dma_mask = &msp_usbdev_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbdev1_resources), - .resource = msp_usbdev1_resources, - }, -}; - -#endif /* CONFIG_MSP_HAS_DUAL_USB */ -#endif /* CONFIG_USB_GADGET */ - -static int __init msp_usb_setup(void) -{ - char *strp; - char envstr[32]; - struct platform_device *msp_devs[NUM_USB_DEVS]; - unsigned int val; - - /* construct environment name usbmode */ - /* set usbmode <host/device> as pmon environment var */ - /* - * Could this perhaps be integrated into the "features" env var? - * Use the features key "U", and follow with "H" for host-mode, - * "D" for device-mode. If it works for Ethernet, why not USB... - * -- hammtrev, 2007/03/22 - */ - snprintf((char *)&envstr[0], sizeof(envstr), "usbmode"); - - /* set default host mode */ - val = 1; - - /* get environment string */ - strp = prom_getenv((char *)&envstr[0]); - if (strp) { - /* compare string */ - if (!strcmp(strp, "device")) - val = 0; - } - - if (val) { -#if defined(CONFIG_USB_EHCI_HCD) - msp_devs[0] = &msp_usbhost0_device.dev; - ppfinit("platform add USB HOST done %s.\n", msp_devs[0]->name); -#ifdef CONFIG_MSP_HAS_DUAL_USB - msp_devs[1] = &msp_usbhost1_device.dev; - ppfinit("platform add USB HOST done %s.\n", msp_devs[1]->name); -#endif -#else - ppfinit("%s: echi_hcd not supported\n", __FILE__); -#endif /* CONFIG_USB_EHCI_HCD */ - } else { -#if defined(CONFIG_USB_GADGET) - /* get device mode structure */ - msp_devs[0] = &msp_usbdev0_device.dev; - ppfinit("platform add USB DEVICE done %s.\n" - , msp_devs[0]->name); -#ifdef CONFIG_MSP_HAS_DUAL_USB - msp_devs[1] = &msp_usbdev1_device.dev; - ppfinit("platform add USB DEVICE done %s.\n" - , msp_devs[1]->name); -#endif -#else - ppfinit("%s: usb_gadget not supported\n", __FILE__); -#endif /* CONFIG_USB_GADGET */ - } - /* add device */ - platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs)); - - return 0; -} - -subsys_initcall(msp_usb_setup); -#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */ diff --git a/arch/mips/pmc-sierra/yosemite/Makefile b/arch/mips/pmc-sierra/yosemite/Makefile deleted file mode 100644 index 02f5fb94ea2..00000000000 --- a/arch/mips/pmc-sierra/yosemite/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Makefile for the PMC-Sierra Titan -# - -obj-y += irq.o prom.o py-console.o setup.o - -obj-$(CONFIG_SMP) += smp.o - -ccflags-y := -Werror diff --git a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c deleted file mode 100644 index d6f8bdff8cb..00000000000 --- a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (C) 2003 PMC-Sierra Inc. - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * Description: - * - * This code reads the ATMEL 24CXX EEPROM. The PMC-Sierra Yosemite board uses the ATMEL - * 24C32/24C64 which uses two byte addressing as compared to 24C16. Note that this program - * uses the serial port like /dev/ttyS0, to communicate with the EEPROM. Hence, you are - * expected to have a connectivity from the EEPROM to the serial port. This program does - * __not__ communicate using the I2C protocol - */ - -#include "atmel_read_eeprom.h" - -static void delay(int delay) -{ - while (delay--); -} - -static void send_bit(unsigned char bit) -{ - scl_lo; - delay(TXX); - if (bit) - sda_hi; - else - sda_lo; - - delay(TXX); - scl_hi; - delay(TXX); -} - -static void send_ack(void) -{ - send_bit(0); -} - -static void send_byte(unsigned char byte) -{ - int i = 0; - - for (i = 7; i >= 0; i--) - send_bit((byte >> i) & 0x01); -} - -static void send_start(void) -{ - sda_hi; - delay(TXX); - scl_hi; - delay(TXX); - sda_lo; - delay(TXX); -} - -static void send_stop(void) -{ - sda_lo; - delay(TXX); - scl_hi; - delay(TXX); - sda_hi; - delay(TXX); -} - -static void do_idle(void) -{ - sda_hi; - scl_hi; - vcc_off; -} - -static int recv_bit(void) -{ - int status; - - scl_lo; - delay(TXX); - sda_hi; - delay(TXX); - scl_hi; - delay(TXX); - - return 1; -} - -static unsigned char recv_byte(void) { - int i; - unsigned char byte=0; - - for (i=7;i>=0;i--) - byte |= (recv_bit() << i); - - return byte; -} - -static int recv_ack(void) -{ - unsigned int ack; - - ack = (unsigned int)recv_bit(); - scl_lo; - - if (ack) { - do_idle(); - printk(KERN_ERR "Error reading the Atmel 24C32/24C64 EEPROM\n"); - return -1; - } - - return ack; -} - -/* - * This function does the actual read of the EEPROM. It needs the buffer into which the - * read data is copied, the size of the EEPROM being read and the buffer size - */ -int read_eeprom(char *buffer, int eeprom_size, int size) -{ - int i = 0, err; - - send_start(); - send_byte(W_HEADER); - recv_ack(); - - /* EEPROM with size of more than 2K need two byte addressing */ - if (eeprom_size > 2048) { - send_byte(0x00); - recv_ack(); - } - - send_start(); - send_byte(R_HEADER); - err = recv_ack(); - if (err == -1) - return err; - - for (i = 0; i < size; i++) { - *buffer++ = recv_byte(); - send_ack(); - } - - /* Note : We should do some check if the buffer contains correct information */ - - send_stop(); -} diff --git a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h deleted file mode 100644 index d6c7ec469fa..00000000000 --- a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c - * - * Copyright (C) 2003 PMC-Sierra Inc. - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * Header file for atmel_read_eeprom.c - */ - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <asm/pci.h> -#include <asm/io.h> -#include <linux/init.h> -#include <asm/termios.h> -#include <asm/ioctls.h> -#include <linux/ioctl.h> -#include <linux/fcntl.h> - -#define DEFAULT_PORT "/dev/ttyS0" /* Port to open */ -#define TXX 0 /* Dummy loop for spinning */ - -#define BLOCK_SEL 0x00 -#define SLAVE_ADDR 0xa0 -#define READ_BIT 0x01 -#define WRITE_BIT 0x00 -#define R_HEADER SLAVE_ADDR + BLOCK_SEL + READ_BIT -#define W_HEADER SLAVE_ADDR + BLOCK_SEL + WRITE_BIT - -/* - * Clock, Voltages and Data - */ -#define vcc_off (ioctl(fd, TIOCSBRK, 0)) -#define vcc_on (ioctl(fd, TIOCCBRK, 0)) -#define sda_hi (ioctl(fd, TIOCMBIS, &dtr)) -#define sda_lo (ioctl(fd, TIOCMBIC, &dtr)) -#define scl_lo (ioctl(fd, TIOCMBIC, &rts)) -#define scl_hi (ioctl(fd, TIOCMBIS, &rts)) - -const char rts = TIOCM_RTS; -const char dtr = TIOCM_DTR; -int fd; diff --git a/arch/mips/pmc-sierra/yosemite/ht-irq.c b/arch/mips/pmc-sierra/yosemite/ht-irq.c deleted file mode 100644 index 86b98e98fb4..00000000000 --- a/arch/mips/pmc-sierra/yosemite/ht-irq.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright 2003 PMC-Sierra - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/pci.h> - -/* - * HT Bus fixup for the Titan - * XXX IRQ values need to change based on the board layout - */ -void __init titan_ht_pcibios_fixup_bus(struct pci_bus *bus) -{ - struct pci_bus *current_bus = bus; - struct pci_dev *devices; - struct list_head *devices_link; - - list_for_each(devices_link, &(current_bus->devices)) { - devices = pci_dev_b(devices_link); - if (devices == NULL) - continue; - } - - /* - * PLX and SPKT related changes go here - */ -} diff --git a/arch/mips/pmc-sierra/yosemite/ht.c b/arch/mips/pmc-sierra/yosemite/ht.c deleted file mode 100644 index 63be40e470d..00000000000 --- a/arch/mips/pmc-sierra/yosemite/ht.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * Copyright 2003 PMC-Sierra - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <asm/pci.h> -#include <asm/io.h> - -#include <linux/init.h> -#include <asm/titan_dep.h> - -#ifdef CONFIG_HYPERTRANSPORT - - -/* - * This function check if the Hypertransport Link Initialization completed. If - * it did, then proceed further with scanning bus #2 - */ -static __inline__ int check_titan_htlink(void) -{ - u32 val; - - val = *(volatile uint32_t *)(RM9000x2_HTLINK_REG); - if (val & 0x00000020) - /* HT Link Initialization completed */ - return 1; - else - return 0; -} - -static int titan_ht_config_read_dword(struct pci_dev *device, - int offset, u32* val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - RM9K_WRITE(address_reg, address); - RM9K_READ(data_reg, val); - - return PCIBIOS_SUCCESSFUL; -} - - -static int titan_ht_config_read_word(struct pci_dev *device, - int offset, u16* val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - if ((offset & 0x3) == 0) - offset = 0x2; - else - offset = 0x0; - - RM9K_WRITE(address_reg, address); - RM9K_READ_16(data_reg + offset, val); - - return PCIBIOS_SUCCESSFUL; -} - - -u32 longswap(unsigned long l) -{ - unsigned char b1, b2, b3, b4; - - b1 = l&255; - b2 = (l>>8)&255; - b3 = (l>>16)&255; - b4 = (l>>24)&255; - - return ((b1<<24) + (b2<<16) + (b3<<8) + b4); -} - - -static int titan_ht_config_read_byte(struct pci_dev *device, - int offset, u8* val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - int offset1; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - RM9K_WRITE(address_reg, address); - - if ((offset & 0x3) == 0) { - offset1 = 0x3; - } - if ((offset & 0x3) == 1) { - offset1 = 0x2; - } - if ((offset & 0x3) == 2) { - offset1 = 0x1; - } - if ((offset & 0x3) == 3) { - offset1 = 0x0; - } - RM9K_READ_8(data_reg + offset1, val); - - return PCIBIOS_SUCCESSFUL; -} - - -static int titan_ht_config_write_dword(struct pci_dev *device, - int offset, u8 val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - RM9K_WRITE(address_reg, address); - RM9K_WRITE(data_reg, val); - - return PCIBIOS_SUCCESSFUL; -} - -static int titan_ht_config_write_word(struct pci_dev *device, - int offset, u8 val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - if ((offset & 0x3) == 0) - offset = 0x2; - else - offset = 0x0; - - RM9K_WRITE(address_reg, address); - RM9K_WRITE_16(data_reg + offset, val); - - return PCIBIOS_SUCCESSFUL; -} - -static int titan_ht_config_write_byte(struct pci_dev *device, - int offset, u8 val) -{ - int dev, bus, func; - uint32_t address_reg, data_reg; - uint32_t address; - int offset1; - - bus = device->bus->number; - dev = PCI_SLOT(device->devfn); - func = PCI_FUNC(device->devfn); - - /* XXX Need to change the Bus # */ - if (bus > 2) - address = (bus << 16) | (dev << 11) | (func << 8) | (offset & 0xfc) | - 0x80000000 | 0x1; - else - address = (dev << 11) | (func << 8) | (offset & 0xfc) | 0x80000000; - - address_reg = RM9000x2_OCD_HTCFGA; - data_reg = RM9000x2_OCD_HTCFGD; - - RM9K_WRITE(address_reg, address); - - if ((offset & 0x3) == 0) { - offset1 = 0x3; - } - if ((offset & 0x3) == 1) { - offset1 = 0x2; - } - if ((offset & 0x3) == 2) { - offset1 = 0x1; - } - if ((offset & 0x3) == 3) { - offset1 = 0x0; - } - - RM9K_WRITE_8(data_reg + offset1, val); - return PCIBIOS_SUCCESSFUL; -} - - -static void titan_pcibios_set_master(struct pci_dev *dev) -{ - u16 cmd; - int bus = dev->bus->number; - - if (check_titan_htlink()) - titan_ht_config_read_word(dev, PCI_COMMAND, &cmd); - - cmd |= PCI_COMMAND_MASTER; - - if (check_titan_htlink()) - titan_ht_config_write_word(dev, PCI_COMMAND, cmd); -} - - -int pcibios_enable_resources(struct pci_dev *dev) -{ - u16 cmd, old_cmd; - u8 tmp1; - int idx; - struct resource *r; - int bus = dev->bus->number; - - if (check_titan_htlink()) - titan_ht_config_read_word(dev, PCI_COMMAND, &cmd); - - old_cmd = cmd; - for (idx = 0; idx < 6; idx++) { - r = &dev->resource[idx]; - if (!r->start && r->end) { - printk(KERN_ERR - "PCI: Device %s not available because of " - "resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (cmd != old_cmd) { - if (check_titan_htlink()) - titan_ht_config_write_word(dev, PCI_COMMAND, cmd); - } - - if (check_titan_htlink()) - titan_ht_config_read_byte(dev, PCI_CACHE_LINE_SIZE, &tmp1); - - if (tmp1 != 8) { - printk(KERN_WARNING "PCI setting cache line size to 8 from " - "%d\n", tmp1); - } - - if (check_titan_htlink()) - titan_ht_config_write_byte(dev, PCI_CACHE_LINE_SIZE, 8); - - if (check_titan_htlink()) - titan_ht_config_read_byte(dev, PCI_LATENCY_TIMER, &tmp1); - - if (tmp1 < 32 || tmp1 == 0xff) { - printk(KERN_WARNING "PCI setting latency timer to 32 from %d\n", - tmp1); - } - - if (check_titan_htlink()) - titan_ht_config_write_byte(dev, PCI_LATENCY_TIMER, 32); - - return 0; -} - - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - return pcibios_enable_resources(dev); -} - -resource_size_t pcibios_align_resource(void *data, const struct resource *res, - resource_size_t size, resource_size_t align) -{ - struct pci_dev *dev = data; - resource_size_t start = res->start; - - if (res->flags & IORESOURCE_IO) { - /* We need to avoid collisions with `mirrored' VGA ports - and other strange ISA hardware, so we always want the - addresses kilobyte aligned. */ - if (size > 0x100) { - printk(KERN_ERR "PCI: I/O Region %s/%d too large" - " (%ld bytes)\n", pci_name(dev), - dev->resource - res, size); - } - - start = (start + 1024 - 1) & ~(1024 - 1); - } - - return start; -} - -struct pci_ops titan_pci_ops = { - titan_ht_config_read_byte, - titan_ht_config_read_word, - titan_ht_config_read_dword, - titan_ht_config_write_byte, - titan_ht_config_write_word, - titan_ht_config_write_dword -}; - -void __init pcibios_fixup_bus(struct pci_bus *c) -{ - titan_ht_pcibios_fixup_bus(c); -} - -void __init pcibios_init(void) -{ - - /* Reset PCI I/O and PCI MEM values */ - /* XXX Need to add the proper values here */ - ioport_resource.start = 0xe0000000; - ioport_resource.end = 0xe0000000 + 0x20000000 - 1; - iomem_resource.start = 0xc0000000; - iomem_resource.end = 0xc0000000 + 0x20000000 - 1; - - /* XXX Need to add bus values */ - pci_scan_bus(2, &titan_pci_ops, NULL); - pci_scan_bus(3, &titan_pci_ops, NULL); -} - -/* - * for parsing "pci=" kernel boot arguments. - */ -char *pcibios_setup(char *str) -{ - printk(KERN_INFO "rr: pcibios_setup\n"); - /* Nothing to do for now. */ - - return str; -} - -unsigned __init int pcibios_assign_all_busses(void) -{ - /* We want to use the PCI bus detection done by PMON */ - return 0; -} - -#endif /* CONFIG_HYPERTRANSPORT */ diff --git a/arch/mips/pmc-sierra/yosemite/irq.c b/arch/mips/pmc-sierra/yosemite/irq.c deleted file mode 100644 index 25bbbf428be..00000000000 --- a/arch/mips/pmc-sierra/yosemite/irq.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Copyright (C) 2003 PMC-Sierra Inc. - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Second level Interrupt handlers for the PMC-Sierra Titan/Yosemite board - */ -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/irq.h> -#include <linux/timex.h> -#include <linux/random.h> -#include <linux/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/titan_dep.h> - -/* Hypertransport specific */ -#define IRQ_ACK_BITS 0x00000000 /* Ack bits */ - -#define HYPERTRANSPORT_INTA 0x78 /* INTA# */ -#define HYPERTRANSPORT_INTB 0x79 /* INTB# */ -#define HYPERTRANSPORT_INTC 0x7a /* INTC# */ -#define HYPERTRANSPORT_INTD 0x7b /* INTD# */ - -extern void titan_mailbox_irq(void); - -#ifdef CONFIG_HYPERTRANSPORT -/* - * Handle hypertransport & SMP interrupts. The interrupt lines are scarce. - * For interprocessor interrupts, the best thing to do is to use the INTMSG - * register. We use the same external interrupt line, i.e. INTB3 and monitor - * another status bit - */ -static void ll_ht_smp_irq_handler(int irq) -{ - u32 status = OCD_READ(RM9000x2_OCD_INTP0STATUS4); - - /* Ack all the bits that correspond to the interrupt sources */ - if (status != 0) - OCD_WRITE(RM9000x2_OCD_INTP0STATUS4, IRQ_ACK_BITS); - - status = OCD_READ(RM9000x2_OCD_INTP1STATUS4); - if (status != 0) - OCD_WRITE(RM9000x2_OCD_INTP1STATUS4, IRQ_ACK_BITS); - -#ifdef CONFIG_HT_LEVEL_TRIGGER - /* - * Level Trigger Mode only. Send the HT EOI message back to the source. - */ - switch (status) { - case 0x1000000: - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTA); - break; - case 0x2000000: - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTB); - break; - case 0x4000000: - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTC); - break; - case 0x8000000: - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTD); - break; - case 0x0000001: - /* PLX */ - OCD_WRITE(RM9000x2_OCD_HTEOI, 0x20); - OCD_WRITE(IRQ_CLEAR_REG, IRQ_ACK_BITS); - break; - case 0xf000000: - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTA); - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTB); - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTC); - OCD_WRITE(RM9000x2_OCD_HTEOI, HYPERTRANSPORT_INTD); - break; - } -#endif /* CONFIG_HT_LEVEL_TRIGGER */ - - do_IRQ(irq); -} -#endif - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int cause = read_c0_cause(); - unsigned int status = read_c0_status(); - unsigned int pending = cause & status; - - if (pending & STATUSF_IP7) { - do_IRQ(7); - } else if (pending & STATUSF_IP2) { -#ifdef CONFIG_HYPERTRANSPORT - ll_ht_smp_irq_handler(2); -#else - do_IRQ(2); -#endif - } else if (pending & STATUSF_IP3) { - do_IRQ(3); - } else if (pending & STATUSF_IP4) { - do_IRQ(4); - } else if (pending & STATUSF_IP5) { -#ifdef CONFIG_SMP - titan_mailbox_irq(); -#else - do_IRQ(5); -#endif - } else if (pending & STATUSF_IP6) { - do_IRQ(4); - } -} - -/* - * Initialize the next level interrupt handler - */ -void __init arch_init_irq(void) -{ - clear_c0_status(ST0_IM); - - mips_cpu_irq_init(); - rm7k_cpu_irq_init(); - rm9k_cpu_irq_init(); -} diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c deleted file mode 100644 index dcc926e06fc..00000000000 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * Copyright (C) 2003, 2004 PMC-Sierra Inc. - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * Copyright (C) 2004 Ralf Baechle - */ -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/pm.h> -#include <linux/smp.h> - -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/reboot.h> -#include <asm/smp-ops.h> -#include <asm/system.h> -#include <asm/bootinfo.h> -#include <asm/pmon.h> - -#ifdef CONFIG_SMP -extern void prom_grab_secondary(void); -#else -#define prom_grab_secondary() do { } while (0) -#endif - -#include "setup.h" - -struct callvectors *debug_vectors; - -extern unsigned long yosemite_base; -extern unsigned long cpu_clock_freq; - -const char *get_system_type(void) -{ - return "PMC-Sierra Yosemite"; -} - -static void prom_cpu0_exit(void *arg) -{ - void *nvram = (void *) YOSEMITE_RTC_BASE; - - /* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */ - writeb(0x84, nvram + 0xff7); - - /* wait for the watchdog to go off */ - mdelay(100 + (1000 / 16)); - - /* if the watchdog fails for some reason, let people know */ - printk(KERN_NOTICE "Watchdog reset failed\n"); -} - -/* - * Reset the NVRAM over the local bus - */ -static void prom_exit(void) -{ -#ifdef CONFIG_SMP - if (smp_processor_id()) - /* CPU 1 */ - smp_call_function(prom_cpu0_exit, NULL, 1); -#endif - prom_cpu0_exit(NULL); -} - -/* - * Halt the system - */ -static void prom_halt(void) -{ - printk(KERN_NOTICE "\n** You can safely turn off the power\n"); - while (1) - __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); -} - -extern struct plat_smp_ops yos_smp_ops; - -/* - * Init routine which accepts the variables from PMON - */ -void __init prom_init(void) -{ - int argc = fw_arg0; - char **arg = (char **) fw_arg1; - char **env = (char **) fw_arg2; - struct callvectors *cv = (struct callvectors *) fw_arg3; - int i = 0; - - /* Callbacks for halt, restart */ - _machine_restart = (void (*)(char *)) prom_exit; - _machine_halt = prom_halt; - pm_power_off = prom_halt; - - debug_vectors = cv; - arcs_cmdline[0] = '\0'; - - /* Get the boot parameters */ - for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= - sizeof(arcs_cmdline)) - break; - - strcat(arcs_cmdline, arg[i]); - strcat(arcs_cmdline, " "); - } - -#ifdef CONFIG_SERIAL_8250_CONSOLE - if ((strstr(arcs_cmdline, "console=ttyS")) == NULL) - strcat(arcs_cmdline, "console=ttyS0,115200"); -#endif - - while (*env) { - if (strncmp("ocd_base", *env, strlen("ocd_base")) == 0) - yosemite_base = - simple_strtol(*env + strlen("ocd_base="), NULL, - 16); - - if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0) - cpu_clock_freq = - simple_strtol(*env + strlen("cpuclock="), NULL, - 10); - - env++; - } - - prom_grab_secondary(); - - register_smp_ops(&yos_smp_ops); -} - -void __init prom_free_prom_memory(void) -{ -} - -void __init prom_fixup_mem_map(unsigned long start, unsigned long end) -{ -} diff --git a/arch/mips/pmc-sierra/yosemite/py-console.c b/arch/mips/pmc-sierra/yosemite/py-console.c deleted file mode 100644 index b7f1d9c4a8a..00000000000 --- a/arch/mips/pmc-sierra/yosemite/py-console.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001, 2002, 2004 Ralf Baechle - */ -#include <linux/init.h> -#include <linux/console.h> -#include <linux/kdev_t.h> -#include <linux/major.h> -#include <linux/termios.h> -#include <linux/sched.h> -#include <linux/tty.h> - -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <asm/serial.h> -#include <asm/io.h> - -/* SUPERIO uart register map */ -struct yo_uartregs { - union { - volatile u8 rbr; /* read only, DLAB == 0 */ - volatile u8 thr; /* write only, DLAB == 0 */ - volatile u8 dll; /* DLAB == 1 */ - } u1; - union { - volatile u8 ier; /* DLAB == 0 */ - volatile u8 dlm; /* DLAB == 1 */ - } u2; - union { - volatile u8 iir; /* read only */ - volatile u8 fcr; /* write only */ - } u3; - volatile u8 iu_lcr; - volatile u8 iu_mcr; - volatile u8 iu_lsr; - volatile u8 iu_msr; - volatile u8 iu_scr; -} yo_uregs_t; - -#define iu_rbr u1.rbr -#define iu_thr u1.thr -#define iu_dll u1.dll -#define iu_ier u2.ier -#define iu_dlm u2.dlm -#define iu_iir u3.iir -#define iu_fcr u3.fcr - -#define ssnop() __asm__ __volatile__("sll $0, $0, 1\n"); -#define ssnop_4() do { ssnop(); ssnop(); ssnop(); ssnop(); } while (0) - -#define IO_BASE_64 0x9000000000000000ULL - -static unsigned char readb_outer_space(unsigned long long phys) -{ - unsigned long long vaddr = IO_BASE_64 | phys; - unsigned char res; - unsigned int sr; - - sr = read_c0_status(); - write_c0_status((sr | ST0_KX) & ~ ST0_IE); - ssnop_4(); - - __asm__ __volatile__ ( - " .set mips3 \n" - " ld %0, %1 \n" - " lbu %0, (%0) \n" - " .set mips0 \n" - : "=r" (res) - : "m" (vaddr)); - - write_c0_status(sr); - ssnop_4(); - - return res; -} - -static void writeb_outer_space(unsigned long long phys, unsigned char c) -{ - unsigned long long vaddr = IO_BASE_64 | phys; - unsigned long tmp; - unsigned int sr; - - sr = read_c0_status(); - write_c0_status((sr | ST0_KX) & ~ ST0_IE); - ssnop_4(); - - __asm__ __volatile__ ( - " .set mips3 \n" - " ld %0, %1 \n" - " sb %2, (%0) \n" - " .set mips0 \n" - : "=&r" (tmp) - : "m" (vaddr), "r" (c)); - - write_c0_status(sr); - ssnop_4(); -} - -void prom_putchar(char c) -{ - unsigned long lsr = 0xfd000008ULL + offsetof(struct yo_uartregs, iu_lsr); - unsigned long thr = 0xfd000008ULL + offsetof(struct yo_uartregs, iu_thr); - - while ((readb_outer_space(lsr) & 0x20) == 0); - writeb_outer_space(thr, c); -} diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c deleted file mode 100644 index 3498ac9c35a..00000000000 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright (C) 2003 PMC-Sierra Inc. - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <linux/bcd.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/bootmem.h> -#include <linux/swap.h> -#include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/timex.h> -#include <linux/termios.h> -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> - -#include <asm/time.h> -#include <asm/bootinfo.h> -#include <asm/page.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/processor.h> -#include <asm/reboot.h> -#include <asm/serial.h> -#include <asm/titan_dep.h> -#include <asm/m48t37.h> - -#include "setup.h" - -unsigned char titan_ge_mac_addr_base[6] = { - // 0x00, 0x03, 0xcc, 0x1d, 0x22, 0x00 - 0x00, 0xe0, 0x04, 0x00, 0x00, 0x21 -}; - -unsigned long cpu_clock_freq; -unsigned long yosemite_base; - -static struct m48t37_rtc *m48t37_base; - -void __init bus_error_init(void) -{ - /* Do nothing */ -} - - -void read_persistent_clock(struct timespec *ts) -{ - unsigned int year, month, day, hour, min, sec; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - /* Stop the update to the time */ - m48t37_base->control = 0x40; - - year = bcd2bin(m48t37_base->year); - year += bcd2bin(m48t37_base->century) * 100; - - month = bcd2bin(m48t37_base->month); - day = bcd2bin(m48t37_base->date); - hour = bcd2bin(m48t37_base->hour); - min = bcd2bin(m48t37_base->min); - sec = bcd2bin(m48t37_base->sec); - - /* Start the update to the time again */ - m48t37_base->control = 0x00; - spin_unlock_irqrestore(&rtc_lock, flags); - - ts->tv_sec = mktime(year, month, day, hour, min, sec); - ts->tv_nsec = 0; -} - -int rtc_mips_set_time(unsigned long tim) -{ - struct rtc_time tm; - unsigned long flags; - - /* - * Convert to a more useful format -- note months count from 0 - * and years from 1900 - */ - rtc_time_to_tm(tim, &tm); - tm.tm_year += 1900; - tm.tm_mon += 1; - - spin_lock_irqsave(&rtc_lock, flags); - /* enable writing */ - m48t37_base->control = 0x80; - - /* year */ - m48t37_base->year = bin2bcd(tm.tm_year % 100); - m48t37_base->century = bin2bcd(tm.tm_year / 100); - - /* month */ - m48t37_base->month = bin2bcd(tm.tm_mon); - - /* day */ - m48t37_base->date = bin2bcd(tm.tm_mday); - - /* hour/min/sec */ - m48t37_base->hour = bin2bcd(tm.tm_hour); - m48t37_base->min = bin2bcd(tm.tm_min); - m48t37_base->sec = bin2bcd(tm.tm_sec); - - /* day of week -- not really used, but let's keep it up-to-date */ - m48t37_base->day = bin2bcd(tm.tm_wday + 1); - - /* disable writing */ - m48t37_base->control = 0x00; - spin_unlock_irqrestore(&rtc_lock, flags); - - return 0; -} - -void __init plat_time_init(void) -{ - mips_hpt_frequency = cpu_clock_freq / 2; -mips_hpt_frequency = 33000000 * 3 * 5; -} - -unsigned long ocd_base; - -EXPORT_SYMBOL(ocd_base); - -/* - * Common setup before any secondaries are started - */ - -#define TITAN_UART_CLK 3686400 -#define TITAN_SERIAL_BASE_BAUD (TITAN_UART_CLK / 16) -#define TITAN_SERIAL_IRQ 4 -#define TITAN_SERIAL_BASE 0xfd000008UL - -static void __init py_map_ocd(void) -{ - ocd_base = (unsigned long) ioremap(OCD_BASE, OCD_SIZE); - if (!ocd_base) - panic("Mapping OCD failed - game over. Your score is 0."); - - /* Kludge for PMON bug ... */ - OCD_WRITE(0x0710, 0x0ffff029); -} - -static void __init py_uart_setup(void) -{ -#ifdef CONFIG_SERIAL_8250 - struct uart_port up; - - /* - * Register to interrupt zero because we share the interrupt with - * the serial driver which we don't properly support yet. - */ - memset(&up, 0, sizeof(up)); - up.membase = (unsigned char *) ioremap(TITAN_SERIAL_BASE, 8); - up.irq = TITAN_SERIAL_IRQ; - up.uartclk = TITAN_UART_CLK; - up.regshift = 0; - up.iotype = UPIO_MEM; - up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; - up.line = 0; - - if (early_serial_setup(&up)) - printk(KERN_ERR "Early serial init of port 0 failed\n"); -#endif /* CONFIG_SERIAL_8250 */ -} - -static void __init py_rtc_setup(void) -{ - m48t37_base = ioremap(YOSEMITE_RTC_BASE, YOSEMITE_RTC_SIZE); - if (!m48t37_base) - printk(KERN_ERR "Mapping the RTC failed\n"); -} - -/* Not only time init but that's what the hook it's called through is named */ -static void __init py_late_time_init(void) -{ - py_map_ocd(); - py_uart_setup(); - py_rtc_setup(); -} - -void __init plat_mem_setup(void) -{ - late_time_init = py_late_time_init; - - /* Add memory regions */ - add_memory_region(0x00000000, 0x10000000, BOOT_MEM_RAM); - -#if 0 /* XXX Crash ... */ - OCD_WRITE(RM9000x2_OCD_HTSC, - OCD_READ(RM9000x2_OCD_HTSC) | HYPERTRANSPORT_ENABLE); - - /* Set the BAR. Shifted mode */ - OCD_WRITE(RM9000x2_OCD_HTBAR0, HYPERTRANSPORT_BAR0_ADDR); - OCD_WRITE(RM9000x2_OCD_HTMASK0, HYPERTRANSPORT_SIZE0); -#endif -} diff --git a/arch/mips/pmc-sierra/yosemite/setup.h b/arch/mips/pmc-sierra/yosemite/setup.h deleted file mode 100644 index 1a01abfc7d3..00000000000 --- a/arch/mips/pmc-sierra/yosemite/setup.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Copyright 2003, 04 PMC-Sierra - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * Copyright 2004 Ralf Baechle <ralf@linux-mips.org> - * - * Board specific definititions for the PMC-Sierra Yosemite - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#ifndef __SETUP_H__ -#define __SETUP_H__ - -/* M48T37 RTC + NVRAM */ -#define YOSEMITE_RTC_BASE 0xfc800000 -#define YOSEMITE_RTC_SIZE 0x00800000 - -#define HYPERTRANSPORT_BAR0_ADDR 0x00000006 -#define HYPERTRANSPORT_SIZE0 0x0fffffff -#define HYPERTRANSPORT_BAR0_ATTR 0x00002000 - -#define HYPERTRANSPORT_ENABLE 0x6 - -/* - * EEPROM Size - */ -#define TITAN_ATMEL_24C32_SIZE 32768 -#define TITAN_ATMEL_24C64_SIZE 65536 - -#endif /* __SETUP_H__ */ diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c deleted file mode 100644 index 2608752898c..00000000000 --- a/arch/mips/pmc-sierra/yosemite/smp.c +++ /dev/null @@ -1,185 +0,0 @@ -#include <linux/linkage.h> -#include <linux/sched.h> -#include <linux/smp.h> - -#include <asm/pmon.h> -#include <asm/titan_dep.h> -#include <asm/time.h> - -#define LAUNCHSTACK_SIZE 256 - -static __cpuinitdata arch_spinlock_t launch_lock = __ARCH_SPIN_LOCK_UNLOCKED; - -static unsigned long secondary_sp __cpuinitdata; -static unsigned long secondary_gp __cpuinitdata; - -static unsigned char launchstack[LAUNCHSTACK_SIZE] __initdata - __attribute__((aligned(2 * sizeof(long)))); - -static void __init prom_smp_bootstrap(void) -{ - local_irq_disable(); - - while (arch_spin_is_locked(&launch_lock)); - - __asm__ __volatile__( - " move $sp, %0 \n" - " move $gp, %1 \n" - " j smp_bootstrap \n" - : - : "r" (secondary_sp), "r" (secondary_gp)); -} - -/* - * PMON is a fragile beast. It'll blow up once the mappings it's littering - * right into the middle of KSEG3 are blown away so we have to grab the slave - * core early and keep it in a waiting loop. - */ -void __init prom_grab_secondary(void) -{ - arch_spin_lock(&launch_lock); - - pmon_cpustart(1, &prom_smp_bootstrap, - launchstack + LAUNCHSTACK_SIZE, 0); -} - -void titan_mailbox_irq(void) -{ - int cpu = smp_processor_id(); - unsigned long status; - - switch (cpu) { - case 0: - status = OCD_READ(RM9000x2_OCD_INTP0STATUS3); - OCD_WRITE(RM9000x2_OCD_INTP0CLEAR3, status); - - if (status & 0x2) - smp_call_function_interrupt(); - if (status & 0x4) - scheduler_ipi(); - break; - - case 1: - status = OCD_READ(RM9000x2_OCD_INTP1STATUS3); - OCD_WRITE(RM9000x2_OCD_INTP1CLEAR3, status); - - if (status & 0x2) - smp_call_function_interrupt(); - if (status & 0x4) - scheduler_ipi(); - break; - } -} - -/* - * Send inter-processor interrupt - */ -static void yos_send_ipi_single(int cpu, unsigned int action) -{ - /* - * Generate an INTMSG so that it can be sent over to the - * destination CPU. The INTMSG will put the STATUS bits - * based on the action desired. An alternative strategy - * is to write to the Interrupt Set register, read the - * Interrupt Status register and clear the Interrupt - * Clear register. The latter is preffered. - */ - switch (action) { - case SMP_RESCHEDULE_YOURSELF: - if (cpu == 1) - OCD_WRITE(RM9000x2_OCD_INTP1SET3, 4); - else - OCD_WRITE(RM9000x2_OCD_INTP0SET3, 4); - break; - - case SMP_CALL_FUNCTION: - if (cpu == 1) - OCD_WRITE(RM9000x2_OCD_INTP1SET3, 2); - else - OCD_WRITE(RM9000x2_OCD_INTP0SET3, 2); - break; - } -} - -static void yos_send_ipi_mask(const struct cpumask *mask, unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - yos_send_ipi_single(i, action); -} - -/* - * After we've done initial boot, this function is called to allow the - * board code to clean up state, if needed - */ -static void __cpuinit yos_init_secondary(void) -{ - set_c0_status(ST0_CO | ST0_IE | ST0_IM); -} - -static void __cpuinit yos_smp_finish(void) -{ -} - -/* Hook for after all CPUs are online */ -static void yos_cpus_done(void) -{ -} - -/* - * Firmware CPU startup hook - * Complicated by PMON's weird interface which tries to minimic the UNIX fork. - * It launches the next * available CPU and copies some information on the - * stack so the first thing we do is throw away that stuff and load useful - * values into the registers ... - */ -static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle) -{ - unsigned long gp = (unsigned long) task_thread_info(idle); - unsigned long sp = __KSTK_TOS(idle); - - secondary_sp = sp; - secondary_gp = gp; - - arch_spin_unlock(&launch_lock); -} - -/* - * Detect available CPUs, populate cpu_possible_map before smp_init - * - * We don't want to start the secondary CPU yet nor do we have a nice probing - * feature in PMON so we just assume presence of the secondary core. - */ -static void __init yos_smp_setup(void) -{ - int i; - - cpus_clear(cpu_possible_map); - - for (i = 0; i < 2; i++) { - cpu_set(i, cpu_possible_map); - __cpu_number_map[i] = i; - __cpu_logical_map[i] = i; - } -} - -static void __init yos_prepare_cpus(unsigned int max_cpus) -{ - /* - * Be paranoid. Enable the IPI only if we're really about to go SMP. - */ - if (cpus_weight(cpu_possible_map)) - set_c0_status(STATUSF_IP5); -} - -struct plat_smp_ops yos_smp_ops = { - .send_ipi_single = yos_send_ipi_single, - .send_ipi_mask = yos_send_ipi_mask, - .init_secondary = yos_init_secondary, - .smp_finish = yos_smp_finish, - .cpus_done = yos_cpus_done, - .boot_secondary = yos_boot_secondary, - .smp_setup = yos_smp_setup, - .prepare_cpus = yos_prepare_cpus, -}; |