diff options
Diffstat (limited to 'arch/mips/pnx8550/common')
| -rw-r--r-- | arch/mips/pnx8550/common/Makefile | 26 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/int.c | 236 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/pci.c | 134 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/platform.c | 162 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/proc.c | 110 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/prom.c | 128 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/reset.c | 40 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/setup.c | 142 | ||||
| -rw-r--r-- | arch/mips/pnx8550/common/time.c | 151 |
9 files changed, 0 insertions, 1129 deletions
diff --git a/arch/mips/pnx8550/common/Makefile b/arch/mips/pnx8550/common/Makefile deleted file mode 100644 index f8ce695dc54..00000000000 --- a/arch/mips/pnx8550/common/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# Per Hallsmark, per.hallsmark@mvista.com -# -# ######################################################################## -# -# 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. -# -# ####################################################################### -# -# Makefile for the PNX8550 specific kernel interface routines -# under Linux. -# - -obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o -obj-$(CONFIG_PCI) += pci.o diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c deleted file mode 100644 index ec684b8c3f7..00000000000 --- a/arch/mips/pnx8550/common/int.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * - * Copyright (C) 2005 Embedded Alley Solutions, Inc - * Ported to 2.6. - * - * Per Hallsmark, per.hallsmark@mvista.com - * Copyright (C) 2000, 2001 MIPS Technologies, Inc. - * Copyright (C) 2001 Ralf Baechle - * - * Cleaned up and bug fixing: Pete Popov, ppopov@embeddedalley.com - * - * 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/compiler.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <linux/random.h> -#include <linux/module.h> - -#include <asm/io.h> -#include <int.h> -#include <uart.h> - -/* default prio for interrupts */ -/* first one is a no-no so therefore always prio 0 (disabled) */ -static char gic_prio[PNX8550_INT_GIC_TOTINT] = { - 0, 1, 1, 1, 1, 15, 1, 1, 1, 1, // 0 - 9 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 10 - 19 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 20 - 29 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 30 - 39 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 40 - 49 - 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, // 50 - 59 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 60 - 69 - 1 // 70 -}; - -static void hw0_irqdispatch(int irq) -{ - /* find out which interrupt */ - irq = PNX8550_GIC_VECTOR_0 >> 3; - - if (irq == 0) { - printk("hw0_irqdispatch: irq 0, spurious interrupt?\n"); - return; - } - do_IRQ(PNX8550_INT_GIC_MIN + irq); -} - - -static void timer_irqdispatch(int irq) -{ - irq = (0x01c0 & read_c0_config7()) >> 6; - - if (unlikely(irq == 0)) { - printk("timer_irqdispatch: irq 0, spurious interrupt?\n"); - return; - } - - if (irq & 0x1) - do_IRQ(PNX8550_INT_TIMER1); - if (irq & 0x2) - do_IRQ(PNX8550_INT_TIMER2); - if (irq & 0x4) - do_IRQ(PNX8550_INT_TIMER3); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - - if (pending & STATUSF_IP2) - hw0_irqdispatch(2); - else if (pending & STATUSF_IP7) { - if (read_c0_config7() & 0x01c0) - timer_irqdispatch(7); - } else - spurious_interrupt(); -} - -static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) -{ - unsigned long status = read_c0_status(); - - status &= ~((clr_mask & 0xFF) << 8); - status |= (set_mask & 0xFF) << 8; - - write_c0_status(status); -} - -static inline void mask_gic_int(unsigned int irq_nr) -{ - /* interrupt disabled, bit 26(WE_ENABLE)=1 and bit 16(enable)=0 */ - PNX8550_GIC_REQ(irq_nr) = 1<<28; /* set priority to 0 */ -} - -static inline void unmask_gic_int(unsigned int irq_nr) -{ - /* set prio mask to lower four bits and enable interrupt */ - PNX8550_GIC_REQ(irq_nr) = (1<<26 | 1<<16) | (1<<28) | gic_prio[irq_nr]; -} - -static inline void mask_irq(struct irq_data *d) -{ - unsigned int irq_nr = d->irq; - - if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { - modify_cp0_intmask(1 << irq_nr, 0); - } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_GIC_MAX)) { - mask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); - } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_TIMER_MAX)) { - modify_cp0_intmask(1 << 7, 0); - } else { - printk("mask_irq: irq %d doesn't exist!\n", irq_nr); - } -} - -static inline void unmask_irq(struct irq_data *d) -{ - unsigned int irq_nr = d->irq; - - if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { - modify_cp0_intmask(0, 1 << irq_nr); - } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_GIC_MAX)) { - unmask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); - } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_TIMER_MAX)) { - modify_cp0_intmask(0, 1 << 7); - } else { - printk("mask_irq: irq %d doesn't exist!\n", irq_nr); - } -} - -int pnx8550_set_gic_priority(int irq, int priority) -{ - int gic_irq = irq-PNX8550_INT_GIC_MIN; - int prev_priority = PNX8550_GIC_REQ(gic_irq) & 0xf; - - gic_prio[gic_irq] = priority; - PNX8550_GIC_REQ(gic_irq) |= (0x10000000 | gic_prio[gic_irq]); - - return prev_priority; -} - -static struct irq_chip level_irq_type = { - .name = "PNX Level IRQ", - .irq_mask = mask_irq, - .irq_unmask = unmask_irq, -}; - -static struct irqaction gic_action = { - .handler = no_action, - .flags = IRQF_NO_THREAD, - .name = "GIC", -}; - -static struct irqaction timer_action = { - .handler = no_action, - .flags = IRQF_TIMER, - .name = "Timer", -}; - -void __init arch_init_irq(void) -{ - int i; - int configPR; - - for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) - irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq); - - /* init of GIC/IPC interrupts */ - /* should be done before cp0 since cp0 init enables the GIC int */ - for (i = PNX8550_INT_GIC_MIN; i <= PNX8550_INT_GIC_MAX; i++) { - int gic_int_line = i - PNX8550_INT_GIC_MIN; - if (gic_int_line == 0 ) - continue; // don't fiddle with int 0 - /* - * enable change of TARGET, ENABLE and ACTIVE_LOW bits - * set TARGET 0 to route through hw0 interrupt - * set ACTIVE_LOW 0 active high (correct?) - * - * We really should setup an interrupt description table - * to do this nicely. - * Note, PCI INTA is active low on the bus, but inverted - * in the GIC, so to us it's active high. - */ - PNX8550_GIC_REQ(i - PNX8550_INT_GIC_MIN) = 0x1E000000; - - /* mask/priority is still 0 so we will not get any - * interrupts until it is unmasked */ - - irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq); - } - - /* Priority level 0 */ - PNX8550_GIC_PRIMASK_0 = PNX8550_GIC_PRIMASK_1 = 0; - - /* Set int vector table address */ - PNX8550_GIC_VECTOR_0 = PNX8550_GIC_VECTOR_1 = 0; - - irq_set_chip_and_handler(MIPS_CPU_GIC_IRQ, &level_irq_type, - handle_level_irq); - setup_irq(MIPS_CPU_GIC_IRQ, &gic_action); - - /* init of Timer interrupts */ - for (i = PNX8550_INT_TIMER_MIN; i <= PNX8550_INT_TIMER_MAX; i++) - irq_set_chip_and_handler(i, &level_irq_type, handle_level_irq); - - /* Stop Timer 1-3 */ - configPR = read_c0_config7(); - configPR |= 0x00000038; - write_c0_config7(configPR); - - irq_set_chip_and_handler(MIPS_CPU_TIMER_IRQ, &level_irq_type, - handle_level_irq); - setup_irq(MIPS_CPU_TIMER_IRQ, &timer_action); -} - -EXPORT_SYMBOL(pnx8550_set_gic_priority); diff --git a/arch/mips/pnx8550/common/pci.c b/arch/mips/pnx8550/common/pci.c deleted file mode 100644 index 98e86ddb86c..00000000000 --- a/arch/mips/pnx8550/common/pci.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * - * Author: source@mvista.com - * - * 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/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <pci.h> -#include <glb.h> -#include <nand.h> - -static struct resource pci_io_resource = { - .start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */ - .end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE, - .name = "pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .start = PNX8550_PCIMEM, - .end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1, - .name = "pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops pnx8550_pci_ops; - -static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, - .io_map_base = PNX8550_PORT_BASE, - .io_resource = &pci_io_resource, - .mem_resource = &pci_mem_resource, -}; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -static inline unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -static int __init pnx8550_pci_setup(void) -{ - int pci_mem_code; - int mem_size = get_system_mem_size() >> 20; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* Calc the PCI mem size code */ - if (mem_size >= 128) - pci_mem_code = SIZE_128M; - else if (mem_size >= 64) - pci_mem_code = SIZE_64M; - else if (mem_size >= 32) - pci_mem_code = SIZE_32M; - else - pci_mem_code = SIZE_16M; - - /* Set PCI_XIO registers */ - outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO); - outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI); - outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO); - outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI); - - /* Send memory transaction via PCI_BASE2 */ - outl(0x00000001, PCI_BASE | PCI_IO); - - /* Unlock the setup register */ - outl(0xca, PCI_BASE | PCI_UNLOCKREG); - - /* - * BAR0 of PNX8550 (pci base 10) must be zero in order for ide - * to work, and in order for bus_to_baddr to work without any - * hacks. - */ - outl(0x00000000, PCI_BASE | PCI_BASE10); - - /* - *These two bars are set by default or the boot code. - * However, it's safer to set them here so we're not boot - * code dependent. - */ - outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */ - outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */ - - outl(PCI_EN_TA | - PCI_EN_PCI2MMI | - PCI_EN_XIO | - PCI_SETUP_BASE18_SIZE(SIZE_32M) | - PCI_SETUP_BASE18_EN | - PCI_SETUP_BASE14_EN | - PCI_SETUP_BASE10_PREF | - PCI_SETUP_BASE10_SIZE(pci_mem_code) | - PCI_SETUP_CFGMANAGE_EN | - PCI_SETUP_PCIARB_EN, - PCI_BASE | - PCI_SETUP); /* PCI_SETUP */ - outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */ - - register_pci_controller(&pnx8550_controller); - - return 0; -} - -arch_initcall(pnx8550_pci_setup); diff --git a/arch/mips/pnx8550/common/platform.c b/arch/mips/pnx8550/common/platform.c deleted file mode 100644 index 0a8faeaa7b7..00000000000 --- a/arch/mips/pnx8550/common/platform.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Platform device support for NXP PNX8550 SoCs - * - * Copyright 2005, Embedded Alley Solutions, Inc - * - * Based on arch/mips/au1000/common/platform.c - * Platform device support for Au1x00 SoCs. - * - * Copyright 2004, Matt Porter <mporter@kernel.crashing.org> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/resource.h> -#include <linux/serial.h> -#include <linux/serial_pnx8xxx.h> -#include <linux/platform_device.h> -#include <linux/usb/ohci_pdriver.h> - -#include <int.h> -#include <usb.h> -#include <uart.h> - -static struct resource pnx8550_usb_ohci_resources[] = { - [0] = { - .start = PNX8550_USB_OHCI_OP_BASE, - .end = PNX8550_USB_OHCI_OP_BASE + - PNX8550_USB_OHCI_OP_LEN, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = PNX8550_INT_USB, - .end = PNX8550_INT_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource pnx8550_uart_resources[] = { - [0] = { - .start = PNX8550_UART_PORT0, - .end = PNX8550_UART_PORT0 + 0xfff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = PNX8550_UART_INT(0), - .end = PNX8550_UART_INT(0), - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = PNX8550_UART_PORT1, - .end = PNX8550_UART_PORT1 + 0xfff, - .flags = IORESOURCE_MEM, - }, - [3] = { - .start = PNX8550_UART_INT(1), - .end = PNX8550_UART_INT(1), - .flags = IORESOURCE_IRQ, - }, -}; - -struct pnx8xxx_port pnx8xxx_ports[] = { - [0] = { - .port = { - .type = PORT_PNX8XXX, - .iotype = UPIO_MEM, - .membase = (void __iomem *)PNX8550_UART_PORT0, - .mapbase = PNX8550_UART_PORT0, - .irq = PNX8550_UART_INT(0), - .uartclk = 3692300, - .fifosize = 16, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - }, - [1] = { - .port = { - .type = PORT_PNX8XXX, - .iotype = UPIO_MEM, - .membase = (void __iomem *)PNX8550_UART_PORT1, - .mapbase = PNX8550_UART_PORT1, - .irq = PNX8550_UART_INT(1), - .uartclk = 3692300, - .fifosize = 16, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - }, -}; - -/* The dmamask must be set for OHCI to work */ -static u64 ohci_dmamask = DMA_BIT_MASK(32); - -static u64 uart_dmamask = DMA_BIT_MASK(32); - -static int pnx8550_usb_ohci_power_on(struct platform_device *pdev) -{ - /* - * Set register CLK48CTL to enable and 48MHz - */ - outl(0x00000003, PCI_BASE | 0x0004770c); - - /* - * Set register CLK12CTL to enable and 48MHz - */ - outl(0x00000003, PCI_BASE | 0x00047710); - - udelay(100); - - return 0; -} - -static void pnx8550_usb_ohci_power_off(struct platform_device *pdev) -{ - udelay(10); -} - -static struct usb_ohci_pdata pnx8550_usb_ohci_pdata = { - .power_on = pnx8550_usb_ohci_power_on, - .power_off = pnx8550_usb_ohci_power_off, -}; - -static struct platform_device pnx8550_usb_ohci_device = { - .name = "ohci-platform", - .id = -1, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &pnx8550_usb_ohci_pdata, - }, - .num_resources = ARRAY_SIZE(pnx8550_usb_ohci_resources), - .resource = pnx8550_usb_ohci_resources, -}; - -static struct platform_device pnx8550_uart_device = { - .name = "pnx8xxx-uart", - .id = -1, - .dev = { - .dma_mask = &uart_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = pnx8xxx_ports, - }, - .num_resources = ARRAY_SIZE(pnx8550_uart_resources), - .resource = pnx8550_uart_resources, -}; - -static struct platform_device *pnx8550_platform_devices[] __initdata = { - &pnx8550_usb_ohci_device, - &pnx8550_uart_device, -}; - -static int __init pnx8550_platform_init(void) -{ - return platform_add_devices(pnx8550_platform_devices, - ARRAY_SIZE(pnx8550_platform_devices)); -} - -arch_initcall(pnx8550_platform_init); diff --git a/arch/mips/pnx8550/common/proc.c b/arch/mips/pnx8550/common/proc.c deleted file mode 100644 index 3bba5ec828e..00000000000 --- a/arch/mips/pnx8550/common/proc.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * 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/proc_fs.h> -#include <linux/irq.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <linux/random.h> - -#include <asm/io.h> -#include <int.h> -#include <uart.h> - - -static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) -{ - int len = 0; - int configPR = read_c0_config7(); - - if (offset==0) { - len += sprintf(&page[len], "Timer: count, compare, tc, status\n"); - len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n", - read_c0_count(), read_c0_compare(), - (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on"); - len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n", - read_c0_count2(), read_c0_compare2(), - (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on"); - len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n", - read_c0_count3(), read_c0_compare3(), - (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on"); - } - - return len; -} - -static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) -{ - int len = 0; - - if (offset==0) { - len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1()); - len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2()); - len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3()); - len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7()); - len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status()); - len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause()); - len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count()); - len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2()); - len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3()); - len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare()); - len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2()); - len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3()); - } - - return len; -} - -static struct proc_dir_entry* pnx8550_dir; -static struct proc_dir_entry* pnx8550_timers; -static struct proc_dir_entry* pnx8550_registers; - -static int pnx8550_proc_init( void ) -{ - - // Create /proc/pnx8550 - pnx8550_dir = proc_mkdir("pnx8550", NULL); - if (!pnx8550_dir) { - printk(KERN_ERR "Can't create pnx8550 proc dir\n"); - return -1; - } - - // Create /proc/pnx8550/timers - pnx8550_timers = create_proc_read_entry( - "timers", - 0, - pnx8550_dir, - pnx8550_timers_read, - NULL); - - if (!pnx8550_timers) - printk(KERN_ERR "Can't create pnx8550 timers proc file\n"); - - // Create /proc/pnx8550/registers - pnx8550_registers = create_proc_read_entry( - "registers", - 0, - pnx8550_dir, - pnx8550_registers_read, - NULL); - - if (!pnx8550_registers) - printk(KERN_ERR "Can't create pnx8550 registers proc file\n"); - - return 0; -} - -__initcall(pnx8550_proc_init); diff --git a/arch/mips/pnx8550/common/prom.c b/arch/mips/pnx8550/common/prom.c deleted file mode 100644 index 49639e8120d..00000000000 --- a/arch/mips/pnx8550/common/prom.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * - * Per Hallsmark, per.hallsmark@mvista.com - * - * Based on jmr3927/common/prom.c - * - * 2004 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/serial_pnx8xxx.h> - -#include <asm/bootinfo.h> -#include <uart.h> - -/* #define DEBUG_CMDLINE */ - -extern int prom_argc; -extern char **prom_argv, **prom_envp; - -typedef struct -{ - char *name; -/* char *val; */ -}t_env_var; - - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - -void __init prom_init_cmdline(void) -{ - int i; - - arcs_cmdline[0] = '\0'; - for (i = 0; i < prom_argc; i++) { - strcat(arcs_cmdline, prom_argv[i]); - strcat(arcs_cmdline, " "); - } -} - -char *prom_getenv(char *envname) -{ - /* - * Return a pointer to the given environment variable. - * Environment variables are stored in the form of "memsize=64". - */ - - t_env_var *env = (t_env_var *)prom_envp; - int i; - - i = strlen(envname); - - while(env->name) { - if(strncmp(envname, env->name, i) == 0) { - return(env->name + strlen(envname) + 1); - } - env++; - } - return(NULL); -} - -inline unsigned char str2hexnum(unsigned char c) -{ - if(c >= '0' && c <= '9') - return c - '0'; - if(c >= 'a' && c <= 'f') - return c - 'a' + 10; - if(c >= 'A' && c <= 'F') - return c - 'A' + 10; - return 0; /* foo */ -} - -inline void str2eaddr(unsigned char *ea, unsigned char *str) -{ - int i; - - for(i = 0; i < 6; i++) { - unsigned char num; - - if((*str == '.') || (*str == ':')) - str++; - num = str2hexnum(*str++) << 4; - num |= (str2hexnum(*str++)); - ea[i] = num; - } -} - -int get_ethernet_addr(char *ethernet_addr) -{ - char *ethaddr_str; - - ethaddr_str = prom_getenv("ethaddr"); - if (!ethaddr_str) { - printk("ethaddr not set in boot prom\n"); - return -1; - } - str2eaddr(ethernet_addr, ethaddr_str); - return 0; -} - -void __init prom_free_prom_memory(void) -{ -} - -extern int pnx8550_console_port; - -/* used by early printk */ -void prom_putchar(char c) -{ - if (pnx8550_console_port != -1) { - /* Wait until FIFO not full */ - while( ((ip3106_fifo(UART_BASE, pnx8550_console_port) & PNX8XXX_UART_FIFO_TXFIFO) >> 16) >= 16) - ; - /* Send one char */ - ip3106_fifo(UART_BASE, pnx8550_console_port) = c; - } -} - -EXPORT_SYMBOL(get_ethernet_addr); -EXPORT_SYMBOL(str2eaddr); diff --git a/arch/mips/pnx8550/common/reset.c b/arch/mips/pnx8550/common/reset.c deleted file mode 100644 index e7a12ff304b..00000000000 --- a/arch/mips/pnx8550/common/reset.c +++ /dev/null @@ -1,40 +0,0 @@ -/*. - * - * ######################################################################## - * - * 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. - * - * ######################################################################## - * - * Reset the PNX8550 board. - * - */ -#include <linux/kernel.h> - -#include <asm/processor.h> -#include <asm/reboot.h> -#include <glb.h> - -void pnx8550_machine_restart(char *command) -{ - PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST; -} - -void pnx8550_machine_halt(void) -{ - while (1) { - if (cpu_wait) - cpu_wait(); - } -} diff --git a/arch/mips/pnx8550/common/setup.c b/arch/mips/pnx8550/common/setup.c deleted file mode 100644 index fccd6b0c6d3..00000000000 --- a/arch/mips/pnx8550/common/setup.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * - * 2.6 port, Embedded Alley Solutions, Inc - * - * Based on Per Hallsmark, per.hallsmark@mvista.com - * - * 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/sched.h> -#include <linux/ioport.h> -#include <linux/irq.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/serial_pnx8xxx.h> -#include <linux/pm.h> - -#include <asm/cpu.h> -#include <asm/bootinfo.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/reboot.h> -#include <asm/pgtable.h> -#include <asm/time.h> - -#include <glb.h> -#include <int.h> -#include <pci.h> -#include <uart.h> -#include <nand.h> - -extern void __init board_setup(void); -extern void pnx8550_machine_restart(char *); -extern void pnx8550_machine_halt(void); -extern struct resource ioport_resource; -extern struct resource iomem_resource; -extern char *prom_getcmdline(void); - -struct resource standard_io_resources[] = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - }, -}; - -#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources) - -extern struct resource pci_io_resource; -extern struct resource pci_mem_resource; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -int pnx8550_console_port = -1; - -void __init plat_mem_setup(void) -{ - int i; - char* argptr; - - board_setup(); /* board specific setup */ - - _machine_restart = pnx8550_machine_restart; - _machine_halt = pnx8550_machine_halt; - pm_power_off = pnx8550_machine_halt; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* IO/MEM resources. */ - set_io_port_base(PNX8550_PORT_BASE); - ioport_resource.start = 0; - ioport_resource.end = ~0; - iomem_resource.start = 0; - iomem_resource.end = ~0; - - /* Request I/O space for devices on this board */ - for (i = 0; i < STANDARD_IO_RESOURCES; i++) - request_resource(&ioport_resource, standard_io_resources + i); - - /* Place the Mode Control bit for GPIO pin 16 in primary function */ - /* Pin 16 is used by UART1, UA1_TX */ - outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) | - (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT), - PNX8550_GPIO_MC1); - - argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "console=ttyS")) != NULL) { - argptr += strlen("console=ttyS"); - pnx8550_console_port = *argptr == '0' ? 0 : 1; - - /* We must initialize the UART (console) before early printk */ - /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ - ip3106_lcr(UART_BASE, pnx8550_console_port) = - PNX8XXX_UART_LCR_8BIT; - ip3106_baud(UART_BASE, pnx8550_console_port) = 5; - } -} diff --git a/arch/mips/pnx8550/common/time.c b/arch/mips/pnx8550/common/time.c deleted file mode 100644 index 831d6b369e9..00000000000 --- a/arch/mips/pnx8550/common/time.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright 2001, 2002, 2003 MontaVista Software Inc. - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) - * - * Common time service routines for MIPS machines. See - * Documents/MIPS/README.txt. - * - * 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/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/param.h> -#include <linux/time.h> -#include <linux/timer.h> -#include <linux/smp.h> -#include <linux/kernel_stat.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> - -#include <asm/bootinfo.h> -#include <asm/cpu.h> -#include <asm/time.h> -#include <asm/hardirq.h> -#include <asm/div64.h> -#include <asm/debug.h> - -#include <int.h> -#include <cm.h> - -static unsigned long cpj; - -static cycle_t hpt_read(struct clocksource *cs) -{ - return read_c0_count2(); -} - -static struct clocksource pnx_clocksource = { - .name = "pnx8xxx", - .rating = 200, - .read = hpt_read, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *c = dev_id; - - /* clear MATCH, signal the event */ - c->event_handler(c); - - return IRQ_HANDLED; -} - -static struct irqaction pnx8xxx_timer_irq = { - .handler = pnx8xxx_timer_interrupt, - .flags = IRQF_PERCPU | IRQF_TIMER, - .name = "pnx8xxx_timer", -}; - -static irqreturn_t monotonic_interrupt(int irq, void *dev_id) -{ - /* Timer 2 clear interrupt */ - write_c0_compare2(-1); - return IRQ_HANDLED; -} - -static struct irqaction monotonic_irqaction = { - .handler = monotonic_interrupt, - .flags = IRQF_TIMER, - .name = "Monotonic timer", -}; - -static int pnx8xxx_set_next_event(unsigned long delta, - struct clock_event_device *evt) -{ - write_c0_compare(delta); - return 0; -} - -static struct clock_event_device pnx8xxx_clockevent = { - .name = "pnx8xxx_clockevent", - .features = CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = pnx8xxx_set_next_event, -}; - -static inline void timer_ack(void) -{ - write_c0_compare(cpj); -} - -__init void plat_time_init(void) -{ - unsigned int configPR; - unsigned int n; - unsigned int m; - unsigned int p; - unsigned int pow2p; - - pnx8xxx_clockevent.cpumask = cpu_none_mask; - clockevents_register_device(&pnx8xxx_clockevent); - clocksource_register(&pnx_clocksource); - - /* Timer 1 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000008; - write_c0_config7(configPR); - - /* Timer 2 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000010; - write_c0_config7(configPR); - - /* Timer 3 stop */ - configPR = read_c0_config7(); - configPR |= 0x00000020; - write_c0_config7(configPR); - - - /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */ - /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1: FIXME) */ - - n = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_N_MASK) >> 16; - m = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_M_MASK) >> 8; - p = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_P_MASK) >> 2; - pow2p = (1 << p); - - db_assert(m != 0 && pow2p != 0); - - /* - * Compute the frequency as in the PNX8550 User Manual 1.0, p.186 - * (a.k.a. 8-10). Divide by HZ for a timer offset that results in - * HZ timer interrupts per second. - */ - mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p)); - cpj = DIV_ROUND_CLOSEST(mips_hpt_frequency, HZ); - write_c0_count(0); - timer_ack(); - - /* Setup Timer 2 */ - write_c0_count2(0); - write_c0_compare2(0xffffffff); - - setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq); - setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); -} |