diff options
Diffstat (limited to 'arch/arm/mach-ixp2000')
| -rw-r--r-- | arch/arm/mach-ixp2000/Kconfig | 72 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/Makefile | 14 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/core.c | 519 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/enp2611.c | 266 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/ixdp2400.c | 182 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/ixdp2800.c | 297 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/ixdp2x00.c | 310 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/ixdp2x01.c | 460 | ||||
| -rw-r--r-- | arch/arm/mach-ixp2000/pci.c | 247 |
10 files changed, 0 insertions, 2370 deletions
diff --git a/arch/arm/mach-ixp2000/Kconfig b/arch/arm/mach-ixp2000/Kconfig deleted file mode 100644 index 08d2707f6ca..00000000000 --- a/arch/arm/mach-ixp2000/Kconfig +++ /dev/null @@ -1,72 +0,0 @@ - -if ARCH_IXP2000 - -config ARCH_SUPPORTS_BIG_ENDIAN - bool - default y - -menu "Intel IXP2400/2800 Implementation Options" - -comment "IXP2400/2800 Platforms" - -config ARCH_ENP2611 - bool "Support Radisys ENP-2611" - help - Say 'Y' here if you want your kernel to support the Radisys - ENP2611 PCI network processing card. For more information on - this card, see <file:Documentation/arm/IXP2000>. - -config ARCH_IXDP2400 - bool "Support Intel IXDP2400" - help - Say 'Y' here if you want your kernel to support the Intel - IXDP2400 reference platform. For more information on - this platform, see <file:Documentation/arm/IXP2000>. - -config ARCH_IXDP2800 - bool "Support Intel IXDP2800" - help - Say 'Y' here if you want your kernel to support the Intel - IXDP2800 reference platform. For more information on - this platform, see <file:Documentation/arm/IXP2000>. - -config ARCH_IXDP2X00 - bool - depends on ARCH_IXDP2400 || ARCH_IXDP2800 - default y - -config ARCH_IXDP2401 - bool "Support Intel IXDP2401" - help - Say 'Y' here if you want your kernel to support the Intel - IXDP2401 reference platform. For more information on - this platform, see <file:Documentation/arm/IXP2000>. - -config ARCH_IXDP2801 - bool "Support Intel IXDP2801 and IXDP28x5" - help - Say 'Y' here if you want your kernel to support the Intel - IXDP2801/2805/2855 reference platforms. For more information on - this platform, see <file:Documentation/arm/IXP2000>. - -config MACH_IXDP28X5 - bool - depends on ARCH_IXDP2801 - default y - -config ARCH_IXDP2X01 - bool - depends on ARCH_IXDP2401 || ARCH_IXDP2801 - default y - -config IXP2000_SUPPORT_BROKEN_PCI_IO - bool "Support broken PCI I/O on older IXP2000s" - default y - help - Say 'N' here if you only intend to run your kernel on an - IXP2000 B0 or later model and do not need the PCI I/O - byteswap workaround. Say 'Y' otherwise. - -endmenu - -endif diff --git a/arch/arm/mach-ixp2000/Makefile b/arch/arm/mach-ixp2000/Makefile deleted file mode 100644 index 1e6139d42a9..00000000000 --- a/arch/arm/mach-ixp2000/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# Makefile for the linux kernel. -# -obj-y := core.o pci.o -obj-m := -obj-n := -obj- := - -obj-$(CONFIG_ARCH_ENP2611) += enp2611.o -obj-$(CONFIG_ARCH_IXDP2400) += ixdp2400.o -obj-$(CONFIG_ARCH_IXDP2800) += ixdp2800.o -obj-$(CONFIG_ARCH_IXDP2X00) += ixdp2x00.o -obj-$(CONFIG_ARCH_IXDP2X01) += ixdp2x01.o - diff --git a/arch/arm/mach-ixp2000/Makefile.boot b/arch/arm/mach-ixp2000/Makefile.boot deleted file mode 100644 index d84c5807a43..00000000000 --- a/arch/arm/mach-ixp2000/Makefile.boot +++ /dev/null @@ -1,3 +0,0 @@ - zreladdr-y := 0x00008000 -params_phys-y := 0x00000100 - diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c deleted file mode 100644 index daf28074134..00000000000 --- a/arch/arm/mach-ixp2000/core.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - * arch/arm/mach-ixp2000/core.c - * - * Common routines used by all IXP2400/2800 based platforms. - * - * Author: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright 2004 (C) MontaVista Software, Inc. - * - * Based on work Copyright (C) 2002-2003 Intel Corporation - * - * 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/kernel.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/serial.h> -#include <linux/tty.h> -#include <linux/bitops.h> -#include <linux/serial_8250.h> -#include <linux/mm.h> - -#include <asm/types.h> -#include <asm/setup.h> -#include <asm/memory.h> -#include <asm/hardware.h> -#include <asm/irq.h> -#include <asm/system.h> -#include <asm/tlbflush.h> -#include <asm/pgtable.h> - -#include <asm/mach/map.h> -#include <asm/mach/time.h> -#include <asm/mach/irq.h> - -#include <asm/arch/gpio.h> - -static DEFINE_SPINLOCK(ixp2000_slowport_lock); -static unsigned long ixp2000_slowport_irq_flags; - -/************************************************************************* - * Slowport access routines - *************************************************************************/ -void ixp2000_acquire_slowport(struct slowport_cfg *new_cfg, struct slowport_cfg *old_cfg) -{ - spin_lock_irqsave(&ixp2000_slowport_lock, ixp2000_slowport_irq_flags); - - old_cfg->CCR = *IXP2000_SLOWPORT_CCR; - old_cfg->WTC = *IXP2000_SLOWPORT_WTC2; - old_cfg->RTC = *IXP2000_SLOWPORT_RTC2; - old_cfg->PCR = *IXP2000_SLOWPORT_PCR; - old_cfg->ADC = *IXP2000_SLOWPORT_ADC; - - ixp2000_reg_write(IXP2000_SLOWPORT_CCR, new_cfg->CCR); - ixp2000_reg_write(IXP2000_SLOWPORT_WTC2, new_cfg->WTC); - ixp2000_reg_write(IXP2000_SLOWPORT_RTC2, new_cfg->RTC); - ixp2000_reg_write(IXP2000_SLOWPORT_PCR, new_cfg->PCR); - ixp2000_reg_wrb(IXP2000_SLOWPORT_ADC, new_cfg->ADC); -} - -void ixp2000_release_slowport(struct slowport_cfg *old_cfg) -{ - ixp2000_reg_write(IXP2000_SLOWPORT_CCR, old_cfg->CCR); - ixp2000_reg_write(IXP2000_SLOWPORT_WTC2, old_cfg->WTC); - ixp2000_reg_write(IXP2000_SLOWPORT_RTC2, old_cfg->RTC); - ixp2000_reg_write(IXP2000_SLOWPORT_PCR, old_cfg->PCR); - ixp2000_reg_wrb(IXP2000_SLOWPORT_ADC, old_cfg->ADC); - - spin_unlock_irqrestore(&ixp2000_slowport_lock, - ixp2000_slowport_irq_flags); -} - -/************************************************************************* - * Chip specific mappings shared by all IXP2000 systems - *************************************************************************/ -static struct map_desc ixp2000_io_desc[] __initdata = { - { - .virtual = IXP2000_CAP_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_CAP_PHYS_BASE), - .length = IXP2000_CAP_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_INTCTL_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_INTCTL_PHYS_BASE), - .length = IXP2000_INTCTL_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_PCI_CREG_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_PCI_CREG_PHYS_BASE), - .length = IXP2000_PCI_CREG_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_PCI_CSR_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_PCI_CSR_PHYS_BASE), - .length = IXP2000_PCI_CSR_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_MSF_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_MSF_PHYS_BASE), - .length = IXP2000_MSF_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_SCRATCH_RING_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE), - .length = IXP2000_SCRATCH_RING_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_SRAM0_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE), - .length = IXP2000_SRAM0_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_PCI_IO_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE), - .length = IXP2000_PCI_IO_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_PCI_CFG0_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_PCI_CFG0_PHYS_BASE), - .length = IXP2000_PCI_CFG0_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = IXP2000_PCI_CFG1_VIRT_BASE, - .pfn = __phys_to_pfn(IXP2000_PCI_CFG1_PHYS_BASE), - .length = IXP2000_PCI_CFG1_SIZE, - .type = MT_DEVICE_IXP2000, - } -}; - -void __init ixp2000_map_io(void) -{ - /* - * On IXP2400 CPUs we need to use MT_DEVICE_IXP2000 so that - * XCB=101 (to avoid triggering erratum #66), and given that - * this mode speeds up I/O accesses and we have write buffer - * flushes in the right places anyway, it doesn't hurt to use - * XCB=101 for all IXP2000s. - */ - iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc)); - - /* Set slowport to 8-bit mode. */ - ixp2000_reg_wrb(IXP2000_SLOWPORT_FRM, 1); -} - - -/************************************************************************* - * Serial port support for IXP2000 - *************************************************************************/ -static struct plat_serial8250_port ixp2000_serial_port[] = { - { - .mapbase = IXP2000_UART_PHYS_BASE, - .membase = (char *)(IXP2000_UART_VIRT_BASE + 3), - .irq = IRQ_IXP2000_UART, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = 50000000, - }, - { }, -}; - -static struct resource ixp2000_uart_resource = { - .start = IXP2000_UART_PHYS_BASE, - .end = IXP2000_UART_PHYS_BASE + 0x1f, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ixp2000_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = ixp2000_serial_port, - }, - .num_resources = 1, - .resource = &ixp2000_uart_resource, -}; - -void __init ixp2000_uart_init(void) -{ - platform_device_register(&ixp2000_serial_device); -} - - -/************************************************************************* - * Timer-tick functions for IXP2000 - *************************************************************************/ -static unsigned ticks_per_jiffy; -static unsigned ticks_per_usec; -static unsigned next_jiffy_time; -static volatile unsigned long *missing_jiffy_timer_csr; - -unsigned long ixp2000_gettimeoffset (void) -{ - unsigned long offset; - - offset = next_jiffy_time - *missing_jiffy_timer_csr; - - return offset / ticks_per_usec; -} - -static int ixp2000_timer_interrupt(int irq, void *dev_id) -{ - /* clear timer 1 */ - ixp2000_reg_wrb(IXP2000_T1_CLR, 1); - - while ((signed long)(next_jiffy_time - *missing_jiffy_timer_csr) - >= ticks_per_jiffy) { - timer_tick(); - next_jiffy_time -= ticks_per_jiffy; - } - - return IRQ_HANDLED; -} - -static struct irqaction ixp2000_timer_irq = { - .name = "IXP2000 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = ixp2000_timer_interrupt, -}; - -void __init ixp2000_init_time(unsigned long tick_rate) -{ - ticks_per_jiffy = (tick_rate + HZ/2) / HZ; - ticks_per_usec = tick_rate / 1000000; - - /* - * We use timer 1 as our timer interrupt. - */ - ixp2000_reg_write(IXP2000_T1_CLR, 0); - ixp2000_reg_write(IXP2000_T1_CLD, ticks_per_jiffy - 1); - ixp2000_reg_write(IXP2000_T1_CTL, (1 << 7)); - - /* - * We use a second timer as a monotonic counter for tracking - * missed jiffies. The IXP2000 has four timers, but if we're - * on an A-step IXP2800, timer 2 and 3 don't work, so on those - * chips we use timer 4. Timer 4 is the only timer that can - * be used for the watchdog, so we use timer 2 if we're on a - * non-buggy chip. - */ - if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) { - printk(KERN_INFO "Enabling IXP2800 erratum #25 workaround\n"); - - ixp2000_reg_write(IXP2000_T4_CLR, 0); - ixp2000_reg_write(IXP2000_T4_CLD, -1); - ixp2000_reg_wrb(IXP2000_T4_CTL, (1 << 7)); - missing_jiffy_timer_csr = IXP2000_T4_CSR; - } else { - ixp2000_reg_write(IXP2000_T2_CLR, 0); - ixp2000_reg_write(IXP2000_T2_CLD, -1); - ixp2000_reg_wrb(IXP2000_T2_CTL, (1 << 7)); - missing_jiffy_timer_csr = IXP2000_T2_CSR; - } - next_jiffy_time = 0xffffffff; - - /* register for interrupt */ - setup_irq(IRQ_IXP2000_TIMER1, &ixp2000_timer_irq); -} - -/************************************************************************* - * GPIO helpers - *************************************************************************/ -static unsigned long GPIO_IRQ_falling_edge; -static unsigned long GPIO_IRQ_rising_edge; -static unsigned long GPIO_IRQ_level_low; -static unsigned long GPIO_IRQ_level_high; - -static void update_gpio_int_csrs(void) -{ - ixp2000_reg_write(IXP2000_GPIO_FEDR, GPIO_IRQ_falling_edge); - ixp2000_reg_write(IXP2000_GPIO_REDR, GPIO_IRQ_rising_edge); - ixp2000_reg_write(IXP2000_GPIO_LSLR, GPIO_IRQ_level_low); - ixp2000_reg_wrb(IXP2000_GPIO_LSHR, GPIO_IRQ_level_high); -} - -void gpio_line_config(int line, int direction) -{ - unsigned long flags; - - local_irq_save(flags); - if (direction == GPIO_OUT) { - /* if it's an output, it ain't an interrupt anymore */ - GPIO_IRQ_falling_edge &= ~(1 << line); - GPIO_IRQ_rising_edge &= ~(1 << line); - GPIO_IRQ_level_low &= ~(1 << line); - GPIO_IRQ_level_high &= ~(1 << line); - update_gpio_int_csrs(); - - ixp2000_reg_wrb(IXP2000_GPIO_PDSR, 1 << line); - } else if (direction == GPIO_IN) { - ixp2000_reg_wrb(IXP2000_GPIO_PDCR, 1 << line); - } - local_irq_restore(flags); -} -EXPORT_SYMBOL(gpio_line_config); - - -/************************************************************************* - * IRQ handling IXP2000 - *************************************************************************/ -static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - int i; - unsigned long status = *IXP2000_GPIO_INST; - - for (i = 0; i <= 7; i++) { - if (status & (1<<i)) { - desc = irq_desc + i + IRQ_IXP2000_GPIO0; - desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc); - } - } -} - -static int ixp2000_GPIO_irq_type(unsigned int irq, unsigned int type) -{ - int line = irq - IRQ_IXP2000_GPIO0; - - /* - * First, configure this GPIO line as an input. - */ - ixp2000_reg_write(IXP2000_GPIO_PDCR, 1 << line); - - /* - * Then, set the proper trigger type. - */ - if (type & IRQ_TYPE_EDGE_FALLING) - GPIO_IRQ_falling_edge |= 1 << line; - else - GPIO_IRQ_falling_edge &= ~(1 << line); - if (type & IRQ_TYPE_EDGE_RISING) - GPIO_IRQ_rising_edge |= 1 << line; - else - GPIO_IRQ_rising_edge &= ~(1 << line); - if (type & IRQ_TYPE_LEVEL_LOW) - GPIO_IRQ_level_low |= 1 << line; - else - GPIO_IRQ_level_low &= ~(1 << line); - if (type & IRQ_TYPE_LEVEL_HIGH) - GPIO_IRQ_level_high |= 1 << line; - else - GPIO_IRQ_level_high &= ~(1 << line); - update_gpio_int_csrs(); - - return 0; -} - -static void ixp2000_GPIO_irq_mask_ack(unsigned int irq) -{ - ixp2000_reg_write(IXP2000_GPIO_INCR, (1 << (irq - IRQ_IXP2000_GPIO0))); - - ixp2000_reg_write(IXP2000_GPIO_EDSR, (1 << (irq - IRQ_IXP2000_GPIO0))); - ixp2000_reg_write(IXP2000_GPIO_LDSR, (1 << (irq - IRQ_IXP2000_GPIO0))); - ixp2000_reg_wrb(IXP2000_GPIO_INST, (1 << (irq - IRQ_IXP2000_GPIO0))); -} - -static void ixp2000_GPIO_irq_mask(unsigned int irq) -{ - ixp2000_reg_wrb(IXP2000_GPIO_INCR, (1 << (irq - IRQ_IXP2000_GPIO0))); -} - -static void ixp2000_GPIO_irq_unmask(unsigned int irq) -{ - ixp2000_reg_write(IXP2000_GPIO_INSR, (1 << (irq - IRQ_IXP2000_GPIO0))); -} - -static struct irq_chip ixp2000_GPIO_irq_chip = { - .ack = ixp2000_GPIO_irq_mask_ack, - .mask = ixp2000_GPIO_irq_mask, - .unmask = ixp2000_GPIO_irq_unmask, - .set_type = ixp2000_GPIO_irq_type, -}; - -static void ixp2000_pci_irq_mask(unsigned int irq) -{ - unsigned long temp = *IXP2000_PCI_XSCALE_INT_ENABLE; - if (irq == IRQ_IXP2000_PCIA) - ixp2000_reg_wrb(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 26))); - else if (irq == IRQ_IXP2000_PCIB) - ixp2000_reg_wrb(IXP2000_PCI_XSCALE_INT_ENABLE, (temp & ~(1 << 27))); -} - -static void ixp2000_pci_irq_unmask(unsigned int irq) -{ - unsigned long temp = *IXP2000_PCI_XSCALE_INT_ENABLE; - if (irq == IRQ_IXP2000_PCIA) - ixp2000_reg_write(IXP2000_PCI_XSCALE_INT_ENABLE, (temp | (1 << 26))); - else if (irq == IRQ_IXP2000_PCIB) - ixp2000_reg_write(IXP2000_PCI_XSCALE_INT_ENABLE, (temp | (1 << 27))); -} - -/* - * Error interrupts. These are used extensively by the microengine drivers - */ -static void ixp2000_err_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - int i; - unsigned long status = *IXP2000_IRQ_ERR_STATUS; - - for(i = 31; i >= 0; i--) { - if(status & (1 << i)) { - desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i; - desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc); - } - } -} - -static void ixp2000_err_irq_mask(unsigned int irq) -{ - ixp2000_reg_write(IXP2000_IRQ_ERR_ENABLE_CLR, - (1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR))); -} - -static void ixp2000_err_irq_unmask(unsigned int irq) -{ - ixp2000_reg_write(IXP2000_IRQ_ERR_ENABLE_SET, - (1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR))); -} - -static struct irq_chip ixp2000_err_irq_chip = { - .ack = ixp2000_err_irq_mask, - .mask = ixp2000_err_irq_mask, - .unmask = ixp2000_err_irq_unmask -}; - -static struct irq_chip ixp2000_pci_irq_chip = { - .ack = ixp2000_pci_irq_mask, - .mask = ixp2000_pci_irq_mask, - .unmask = ixp2000_pci_irq_unmask -}; - -static void ixp2000_irq_mask(unsigned int irq) -{ - ixp2000_reg_wrb(IXP2000_IRQ_ENABLE_CLR, (1 << irq)); -} - -static void ixp2000_irq_unmask(unsigned int irq) -{ - ixp2000_reg_write(IXP2000_IRQ_ENABLE_SET, (1 << irq)); -} - -static struct irq_chip ixp2000_irq_chip = { - .ack = ixp2000_irq_mask, - .mask = ixp2000_irq_mask, - .unmask = ixp2000_irq_unmask -}; - -void __init ixp2000_init_irq(void) -{ - int irq; - - /* - * Mask all sources - */ - ixp2000_reg_write(IXP2000_IRQ_ENABLE_CLR, 0xffffffff); - ixp2000_reg_write(IXP2000_FIQ_ENABLE_CLR, 0xffffffff); - - /* clear all GPIO edge/level detects */ - ixp2000_reg_write(IXP2000_GPIO_REDR, 0); - ixp2000_reg_write(IXP2000_GPIO_FEDR, 0); - ixp2000_reg_write(IXP2000_GPIO_LSHR, 0); - ixp2000_reg_write(IXP2000_GPIO_LSLR, 0); - ixp2000_reg_write(IXP2000_GPIO_INCR, -1); - - /* clear PCI interrupt sources */ - ixp2000_reg_wrb(IXP2000_PCI_XSCALE_INT_ENABLE, 0); - - /* - * Certain bits in the IRQ status register of the - * IXP2000 are reserved. Instead of trying to map - * things non 1:1 from bit position to IRQ number, - * we mark the reserved IRQs as invalid. This makes - * our mask/unmask code much simpler. - */ - for (irq = IRQ_IXP2000_SOFT_INT; irq <= IRQ_IXP2000_THDB3; irq++) { - if ((1 << irq) & IXP2000_VALID_IRQ_MASK) { - set_irq_chip(irq, &ixp2000_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } else set_irq_flags(irq, 0); - } - - for (irq = IRQ_IXP2000_DRAM0_MIN_ERR; irq <= IRQ_IXP2000_SP_INT; irq++) { - if((1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR)) & - IXP2000_VALID_ERR_IRQ_MASK) { - set_irq_chip(irq, &ixp2000_err_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } - else - set_irq_flags(irq, 0); - } - set_irq_chained_handler(IRQ_IXP2000_ERRSUM, ixp2000_err_irq_handler); - - for (irq = IRQ_IXP2000_GPIO0; irq <= IRQ_IXP2000_GPIO7; irq++) { - set_irq_chip(irq, &ixp2000_GPIO_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } - set_irq_chained_handler(IRQ_IXP2000_GPIO, ixp2000_GPIO_irq_handler); - - /* - * Enable PCI irqs. The actual PCI[AB] decoding is done in - * entry-macro.S, so we don't need a chained handler for the - * PCI interrupt source. - */ - ixp2000_reg_write(IXP2000_IRQ_ENABLE_SET, (1 << IRQ_IXP2000_PCI)); - for (irq = IRQ_IXP2000_PCIA; irq <= IRQ_IXP2000_PCIB; irq++) { - set_irq_chip(irq, &ixp2000_pci_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } -} - diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c deleted file mode 100644 index 9c49435d42c..00000000000 --- a/arch/arm/mach-ixp2000/enp2611.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * arch/arm/mach-ixp2000/enp2611.c - * - * Radisys ENP-2611 support. - * - * Created 2004 by Lennert Buytenhek from the ixdp2x01 code. The - * original version carries the following notices: - * - * Original Author: Andrzej Mialkowski <andrzej.mialkowski@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002-2003 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/serial.h> -#include <linux/tty.h> -#include <linux/serial_core.h> -#include <linux/platform_device.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> - -#include <asm/mach/pci.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> - -/************************************************************************* - * ENP-2611 timer tick configuration - *************************************************************************/ -static void __init enp2611_timer_init(void) -{ - ixp2000_init_time(50 * 1000 * 1000); -} - -static struct sys_timer enp2611_timer = { - .init = enp2611_timer_init, - .offset = ixp2000_gettimeoffset, -}; - - -/************************************************************************* - * ENP-2611 I/O - *************************************************************************/ -static struct map_desc enp2611_io_desc[] __initdata = { - { - .virtual = ENP2611_CALEB_VIRT_BASE, - .pfn = __phys_to_pfn(ENP2611_CALEB_PHYS_BASE), - .length = ENP2611_CALEB_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = ENP2611_PM3386_0_VIRT_BASE, - .pfn = __phys_to_pfn(ENP2611_PM3386_0_PHYS_BASE), - .length = ENP2611_PM3386_0_SIZE, - .type = MT_DEVICE_IXP2000, - }, { - .virtual = ENP2611_PM3386_1_VIRT_BASE, - .pfn = __phys_to_pfn(ENP2611_PM3386_1_PHYS_BASE), - .length = ENP2611_PM3386_1_SIZE, - .type = MT_DEVICE_IXP2000, - } -}; - -void __init enp2611_map_io(void) -{ - ixp2000_map_io(); - iotable_init(enp2611_io_desc, ARRAY_SIZE(enp2611_io_desc)); -} - - -/************************************************************************* - * ENP-2611 PCI - *************************************************************************/ -static int enp2611_pci_setup(int nr, struct pci_sys_data *sys) -{ - sys->mem_offset = 0xe0000000; - ixp2000_pci_setup(nr, sys); - return 1; -} - -static void __init enp2611_pci_preinit(void) -{ - ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000); - ixp2000_pci_preinit(); - pcibios_setup("firmware"); -} - -static inline int enp2611_pci_valid_device(struct pci_bus *bus, - unsigned int devfn) -{ - /* The 82559 ethernet controller appears at both PCI:1:0:0 and - * PCI:1:2:0, so let's pretend the second one isn't there. - */ - if (bus->number == 0x01 && devfn == 0x10) - return 0; - - return 1; -} - -static int enp2611_pci_read_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 *value) -{ - if (enp2611_pci_valid_device(bus, devfn)) - return ixp2000_pci_read_config(bus, devfn, where, size, value); - - return PCIBIOS_DEVICE_NOT_FOUND; -} - -static int enp2611_pci_write_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 value) -{ - if (enp2611_pci_valid_device(bus, devfn)) - return ixp2000_pci_write_config(bus, devfn, where, size, value); - - return PCIBIOS_DEVICE_NOT_FOUND; -} - -static struct pci_ops enp2611_pci_ops = { - .read = enp2611_pci_read_config, - .write = enp2611_pci_write_config -}; - -static struct pci_bus * __init enp2611_pci_scan_bus(int nr, - struct pci_sys_data *sys) -{ - return pci_scan_bus(sys->busnr, &enp2611_pci_ops, sys); -} - -static int __init enp2611_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq; - - if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 0) { - /* IXP2400. */ - irq = IRQ_IXP2000_PCIA; - } else if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 1) { - /* 21555 non-transparent bridge. */ - irq = IRQ_IXP2000_PCIB; - } else if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 4) { - /* PCI2050B transparent bridge. */ - irq = -1; - } else if (dev->bus->number == 1 && PCI_SLOT(dev->devfn) == 0) { - /* 82559 ethernet. */ - irq = IRQ_IXP2000_PCIA; - } else if (dev->bus->number == 1 && PCI_SLOT(dev->devfn) == 1) { - /* SPI-3 option board. */ - irq = IRQ_IXP2000_PCIB; - } else { - printk(KERN_ERR "enp2611_pci_map_irq() called for unknown " - "device PCI:%d:%d:%d\n", dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); - irq = -1; - } - - return irq; -} - -struct hw_pci enp2611_pci __initdata = { - .nr_controllers = 1, - .setup = enp2611_pci_setup, - .preinit = enp2611_pci_preinit, - .scan = enp2611_pci_scan_bus, - .map_irq = enp2611_pci_map_irq, -}; - -int __init enp2611_pci_init(void) -{ - if (machine_is_enp2611()) - pci_common_init(&enp2611_pci); - - return 0; -} - -subsys_initcall(enp2611_pci_init); - - -/************************************************************************* - * ENP-2611 Machine Initialization - *************************************************************************/ -static struct flash_platform_data enp2611_flash_platform_data = { - .map_name = "cfi_probe", - .width = 1, -}; - -static struct ixp2000_flash_data enp2611_flash_data = { - .platform_data = &enp2611_flash_platform_data, - .nr_banks = 1 -}; - -static struct resource enp2611_flash_resource = { - .start = 0xc4000000, - .end = 0xc4000000 + 0x00ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device enp2611_flash = { - .name = "IXP2000-Flash", - .id = 0, - .dev = { - .platform_data = &enp2611_flash_data, - }, - .num_resources = 1, - .resource = &enp2611_flash_resource, -}; - -static struct ixp2000_i2c_pins enp2611_i2c_gpio_pins = { - .sda_pin = ENP2611_GPIO_SDA, - .scl_pin = ENP2611_GPIO_SCL, -}; - -static struct platform_device enp2611_i2c_controller = { - .name = "IXP2000-I2C", - .id = 0, - .dev = { - .platform_data = &enp2611_i2c_gpio_pins - }, - .num_resources = 0 -}; - -static struct platform_device *enp2611_devices[] __initdata = { - &enp2611_flash, - &enp2611_i2c_controller -}; - -static void __init enp2611_init_machine(void) -{ - platform_add_devices(enp2611_devices, ARRAY_SIZE(enp2611_devices)); - ixp2000_uart_init(); -} - - -MACHINE_START(ENP2611, "Radisys ENP-2611 PCI network processor board") - /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = enp2611_map_io, - .init_irq = ixp2000_init_irq, - .timer = &enp2611_timer, - .init_machine = enp2611_init_machine, -MACHINE_END - - diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c deleted file mode 100644 index ce7c15c7300..00000000000 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * arch/arm/mach-ixp2000/ixdp2400.c - * - * IXDP2400 platform support - * - * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/bitops.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> - -#include <asm/mach/pci.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <asm/mach/flash.h> -#include <asm/mach/arch.h> - -/************************************************************************* - * IXDP2400 timer tick - *************************************************************************/ -static void __init ixdp2400_timer_init(void) -{ - int numerator, denominator; - int denom_array[] = {2, 4, 8, 16, 1, 2, 4, 8}; - - numerator = (*(IXDP2400_CPLD_SYS_CLK_M) & 0xFF) *2; - denominator = denom_array[(*(IXDP2400_CPLD_SYS_CLK_N) & 0x7)]; - - ixp2000_init_time(((3125000 * numerator) / (denominator)) / 2); -} - -static struct sys_timer ixdp2400_timer = { - .init = ixdp2400_timer_init, - .offset = ixp2000_gettimeoffset, -}; - -/************************************************************************* - * IXDP2400 PCI - *************************************************************************/ -void __init ixdp2400_pci_preinit(void) -{ - ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000); - ixp2000_pci_preinit(); - pcibios_setup("firmware"); -} - -int ixdp2400_pci_setup(int nr, struct pci_sys_data *sys) -{ - sys->mem_offset = 0xe0000000; - - ixp2000_pci_setup(nr, sys); - - return 1; -} - -static int __init ixdp2400_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - if (ixdp2x00_master_npu()) { - - /* - * Root bus devices. Slave NPU is only one with interrupt. - * Everything else, we just return -1 b/c nothing else - * on the root bus has interrupts. - */ - if(!dev->bus->self) { - if(dev->devfn == IXDP2X00_SLAVE_NPU_DEVFN ) - return IRQ_IXDP2400_INGRESS_NPU; - - return -1; - } - - /* - * Bridge behind the PMC slot. - * NOTE: Only INTA from the PMC slot is routed. VERY BAD. - */ - if(dev->bus->self->devfn == IXDP2X00_PMC_DEVFN && - dev->bus->parent->self->devfn == IXDP2X00_P2P_DEVFN && - !dev->bus->parent->self->bus->parent) - return IRQ_IXDP2400_PMC; - - /* - * Device behind the first bridge - */ - if(dev->bus->self->devfn == IXDP2X00_P2P_DEVFN) { - switch(dev->devfn) { - case IXDP2400_MASTER_ENET_DEVFN: - return IRQ_IXDP2400_ENET; - - case IXDP2400_MEDIA_DEVFN: - return IRQ_IXDP2400_MEDIA_PCI; - - case IXDP2400_SWITCH_FABRIC_DEVFN: - return IRQ_IXDP2400_SF_PCI; - - case IXDP2X00_PMC_DEVFN: - return IRQ_IXDP2400_PMC; - } - } - - return -1; - } else return IRQ_IXP2000_PCIB; /* Slave NIC interrupt */ -} - - -static void ixdp2400_pci_postinit(void) -{ - struct pci_dev *dev; - - if (ixdp2x00_master_npu()) { - dev = pci_get_bus_and_slot(1, IXDP2400_SLAVE_ENET_DEVFN); - pci_remove_bus_device(dev); - pci_dev_put(dev); - } else { - dev = pci_get_bus_and_slot(1, IXDP2400_MASTER_ENET_DEVFN); - pci_remove_bus_device(dev); - pci_dev_put(dev); - - ixdp2x00_slave_pci_postinit(); - } -} - -static struct hw_pci ixdp2400_pci __initdata = { - .nr_controllers = 1, - .setup = ixdp2400_pci_setup, - .preinit = ixdp2400_pci_preinit, - .postinit = ixdp2400_pci_postinit, - .scan = ixp2000_pci_scan_bus, - .map_irq = ixdp2400_pci_map_irq, -}; - -int __init ixdp2400_pci_init(void) -{ - if (machine_is_ixdp2400()) - pci_common_init(&ixdp2400_pci); - - return 0; -} - -subsys_initcall(ixdp2400_pci_init); - -void __init ixdp2400_init_irq(void) -{ - ixdp2x00_init_irq(IXDP2400_CPLD_INT_STAT, IXDP2400_CPLD_INT_MASK, IXDP2400_NR_IRQS); -} - -MACHINE_START(IXDP2400, "Intel IXDP2400 Development Platform") - /* Maintainer: MontaVista Software, Inc. */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = ixdp2x00_map_io, - .init_irq = ixdp2400_init_irq, - .timer = &ixdp2400_timer, - .init_machine = ixdp2x00_init_machine, -MACHINE_END - diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c deleted file mode 100644 index 14f09b80ab7..00000000000 --- a/arch/arm/mach-ixp2000/ixdp2800.c +++ /dev/null @@ -1,297 +0,0 @@ -/* - * arch/arm/mach-ixp2000/ixdp2800.c - * - * IXDP2800 platform support - * - * Original Author: Jeffrey Daly <jeffrey.daly@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/bitops.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> - -#include <asm/mach/pci.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <asm/mach/flash.h> -#include <asm/mach/arch.h> - -/************************************************************************* - * IXDP2800 timer tick - *************************************************************************/ - -static void __init ixdp2800_timer_init(void) -{ - ixp2000_init_time(50000000); -} - -static struct sys_timer ixdp2800_timer = { - .init = ixdp2800_timer_init, - .offset = ixp2000_gettimeoffset, -}; - -/************************************************************************* - * IXDP2800 PCI - *************************************************************************/ -static void __init ixdp2800_slave_disable_pci_master(void) -{ - *IXP2000_PCI_CMDSTAT &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); -} - -static void __init ixdp2800_master_wait_for_slave(void) -{ - volatile u32 *addr; - - printk(KERN_INFO "IXDP2800: waiting for slave NPU to configure " - "its BAR sizes\n"); - - addr = ixp2000_pci_config_addr(0, IXDP2X00_SLAVE_NPU_DEVFN, - PCI_BASE_ADDRESS_1); - do { - *addr = 0xffffffff; - cpu_relax(); - } while (*addr != 0xfe000008); - - addr = ixp2000_pci_config_addr(0, IXDP2X00_SLAVE_NPU_DEVFN, - PCI_BASE_ADDRESS_2); - do { - *addr = 0xffffffff; - cpu_relax(); - } while (*addr != 0xc0000008); - - /* - * Configure the slave's SDRAM BAR by hand. - */ - *addr = 0x40000008; -} - -static void __init ixdp2800_slave_wait_for_master_enable(void) -{ - printk(KERN_INFO "IXDP2800: waiting for master NPU to enable us\n"); - - while ((*IXP2000_PCI_CMDSTAT & PCI_COMMAND_MASTER) == 0) - cpu_relax(); -} - -void __init ixdp2800_pci_preinit(void) -{ - printk("ixdp2x00_pci_preinit called\n"); - - *IXP2000_PCI_ADDR_EXT = 0x0001e000; - - if (!ixdp2x00_master_npu()) - ixdp2800_slave_disable_pci_master(); - - *IXP2000_PCI_SRAM_BASE_ADDR_MASK = (0x2000000 - 1) & ~0x3ffff; - *IXP2000_PCI_DRAM_BASE_ADDR_MASK = (0x40000000 - 1) & ~0xfffff; - - ixp2000_pci_preinit(); - - if (ixdp2x00_master_npu()) { - /* - * Wait until the slave set its SRAM/SDRAM BAR sizes - * correctly before we proceed to scan and enumerate - * the bus. - */ - ixdp2800_master_wait_for_slave(); - - /* - * We configure the SDRAM BARs by hand because they - * are 1G and fall outside of the regular allocated - * PCI address space. - */ - *IXP2000_PCI_SDRAM_BAR = 0x00000008; - } else { - /* - * Wait for the master to complete scanning the bus - * and assigning resources before we proceed to scan - * the bus ourselves. Set pci=firmware to honor the - * master's resource assignment. - */ - ixdp2800_slave_wait_for_master_enable(); - pcibios_setup("firmware"); - } -} - -/* - * We assign the SDRAM BARs for the two IXP2800 CPUs by hand, outside - * of the regular PCI window, because there's only 512M of outbound PCI - * memory window on each IXP, while we need 1G for each of the BARs. - */ -static void __devinit ixp2800_pci_fixup(struct pci_dev *dev) -{ - if (machine_is_ixdp2800()) { - dev->resource[2].start = 0; - dev->resource[2].end = 0; - dev->resource[2].flags = 0; - } -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IXP2800, ixp2800_pci_fixup); - -static int __init ixdp2800_pci_setup(int nr, struct pci_sys_data *sys) -{ - sys->mem_offset = 0x00000000; - - ixp2000_pci_setup(nr, sys); - - return 1; -} - -static int __init ixdp2800_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - if (ixdp2x00_master_npu()) { - - /* - * Root bus devices. Slave NPU is only one with interrupt. - * Everything else, we just return -1 which is invalid. - */ - if(!dev->bus->self) { - if(dev->devfn == IXDP2X00_SLAVE_NPU_DEVFN ) - return IRQ_IXDP2800_INGRESS_NPU; - - return -1; - } - - /* - * Bridge behind the PMC slot. - */ - if(dev->bus->self->devfn == IXDP2X00_PMC_DEVFN && - dev->bus->parent->self->devfn == IXDP2X00_P2P_DEVFN && - !dev->bus->parent->self->bus->parent) - return IRQ_IXDP2800_PMC; - - /* - * Device behind the first bridge - */ - if(dev->bus->self->devfn == IXDP2X00_P2P_DEVFN) { - switch(dev->devfn) { - case IXDP2X00_PMC_DEVFN: - return IRQ_IXDP2800_PMC; - - case IXDP2800_MASTER_ENET_DEVFN: - return IRQ_IXDP2800_EGRESS_ENET; - - case IXDP2800_SWITCH_FABRIC_DEVFN: - return IRQ_IXDP2800_FABRIC; - } - } - - return -1; - } else return IRQ_IXP2000_PCIB; /* Slave NIC interrupt */ -} - -static void __init ixdp2800_master_enable_slave(void) -{ - volatile u32 *addr; - - printk(KERN_INFO "IXDP2800: enabling slave NPU\n"); - - addr = (volatile u32 *)ixp2000_pci_config_addr(0, - IXDP2X00_SLAVE_NPU_DEVFN, - PCI_COMMAND); - - *addr |= PCI_COMMAND_MASTER; -} - -static void __init ixdp2800_master_wait_for_slave_bus_scan(void) -{ - volatile u32 *addr; - - printk(KERN_INFO "IXDP2800: waiting for slave to finish bus scan\n"); - - addr = (volatile u32 *)ixp2000_pci_config_addr(0, - IXDP2X00_SLAVE_NPU_DEVFN, - PCI_COMMAND); - while ((*addr & PCI_COMMAND_MEMORY) == 0) - cpu_relax(); -} - -static void __init ixdp2800_slave_signal_bus_scan_completion(void) -{ - printk(KERN_INFO "IXDP2800: bus scan done, signaling master\n"); - *IXP2000_PCI_CMDSTAT |= PCI_COMMAND_MEMORY; -} - -static void __init ixdp2800_pci_postinit(void) -{ - if (!ixdp2x00_master_npu()) { - ixdp2x00_slave_pci_postinit(); - ixdp2800_slave_signal_bus_scan_completion(); - } -} - -struct __initdata hw_pci ixdp2800_pci __initdata = { - .nr_controllers = 1, - .setup = ixdp2800_pci_setup, - .preinit = ixdp2800_pci_preinit, - .postinit = ixdp2800_pci_postinit, - .scan = ixp2000_pci_scan_bus, - .map_irq = ixdp2800_pci_map_irq, -}; - -int __init ixdp2800_pci_init(void) -{ - if (machine_is_ixdp2800()) { - struct pci_dev *dev; - - pci_common_init(&ixdp2800_pci); - if (ixdp2x00_master_npu()) { - dev = pci_get_bus_and_slot(1, IXDP2800_SLAVE_ENET_DEVFN); - pci_remove_bus_device(dev); - pci_dev_put(dev); - - ixdp2800_master_enable_slave(); - ixdp2800_master_wait_for_slave_bus_scan(); - } else { - dev = pci_get_bus_and_slot(1, IXDP2800_MASTER_ENET_DEVFN); - pci_remove_bus_device(dev); - pci_dev_put(dev); - } - } - - return 0; -} - -subsys_initcall(ixdp2800_pci_init); - -void __init ixdp2800_init_irq(void) -{ - ixdp2x00_init_irq(IXDP2800_CPLD_INT_STAT, IXDP2800_CPLD_INT_MASK, IXDP2800_NR_IRQS); -} - -MACHINE_START(IXDP2800, "Intel IXDP2800 Development Platform") - /* Maintainer: MontaVista Software, Inc. */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = ixdp2x00_map_io, - .init_irq = ixdp2800_init_irq, - .timer = &ixdp2800_timer, - .init_machine = ixdp2x00_init_machine, -MACHINE_END - diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c deleted file mode 100644 index 73c651e83d9..00000000000 --- a/arch/arm/mach-ixp2000/ixdp2x00.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * arch/arm/mach-ixp2000/ixdp2x00.c - * - * Code common to IXDP2400 and IXDP2800 platforms. - * - * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/bitops.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> - -#include <asm/mach/pci.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <asm/mach/flash.h> -#include <asm/mach/arch.h> - -#include <asm/arch/gpio.h> - - -/************************************************************************* - * IXDP2x00 IRQ Initialization - *************************************************************************/ -static volatile unsigned long *board_irq_mask; -static volatile unsigned long *board_irq_stat; -static unsigned long board_irq_count; - -#ifdef CONFIG_ARCH_IXDP2400 -/* - * Slowport configuration for accessing CPLD registers on IXDP2x00 - */ -static struct slowport_cfg slowport_cpld_cfg = { - .CCR = SLOWPORT_CCR_DIV_2, - .WTC = 0x00000070, - .RTC = 0x00000070, - .PCR = SLOWPORT_MODE_FLASH, - .ADC = SLOWPORT_ADDR_WIDTH_24 | SLOWPORT_DATA_WIDTH_8 -}; -#endif - -static void ixdp2x00_irq_mask(unsigned int irq) -{ - unsigned long dummy; - static struct slowport_cfg old_cfg; - - /* - * This is ugly in common code but really don't know - * of a better way to handle it. :( - */ -#ifdef CONFIG_ARCH_IXDP2400 - if (machine_is_ixdp2400()) - ixp2000_acquire_slowport(&slowport_cpld_cfg, &old_cfg); -#endif - - dummy = *board_irq_mask; - dummy |= IXP2000_BOARD_IRQ_MASK(irq); - ixp2000_reg_wrb(board_irq_mask, dummy); - -#ifdef CONFIG_ARCH_IXDP2400 - if (machine_is_ixdp2400()) - ixp2000_release_slowport(&old_cfg); -#endif -} - -static void ixdp2x00_irq_unmask(unsigned int irq) -{ - unsigned long dummy; - static struct slowport_cfg old_cfg; - -#ifdef CONFIG_ARCH_IXDP2400 - if (machine_is_ixdp2400()) - ixp2000_acquire_slowport(&slowport_cpld_cfg, &old_cfg); -#endif - - dummy = *board_irq_mask; - dummy &= ~IXP2000_BOARD_IRQ_MASK(irq); - ixp2000_reg_wrb(board_irq_mask, dummy); - - if (machine_is_ixdp2400()) - ixp2000_release_slowport(&old_cfg); -} - -static void ixdp2x00_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - volatile u32 ex_interrupt = 0; - static struct slowport_cfg old_cfg; - int i; - - desc->chip->mask(irq); - -#ifdef CONFIG_ARCH_IXDP2400 - if (machine_is_ixdp2400()) - ixp2000_acquire_slowport(&slowport_cpld_cfg, &old_cfg); -#endif - ex_interrupt = *board_irq_stat & 0xff; - if (machine_is_ixdp2400()) - ixp2000_release_slowport(&old_cfg); - - if(!ex_interrupt) { - printk(KERN_ERR "Spurious IXDP2x00 CPLD interrupt!\n"); - return; - } - - for(i = 0; i < board_irq_count; i++) { - if(ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; - int cpld_irq = IXP2000_BOARD_IRQ(0) + i; - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); - } - } - - desc->chip->unmask(irq); -} - -static struct irq_chip ixdp2x00_cpld_irq_chip = { - .ack = ixdp2x00_irq_mask, - .mask = ixdp2x00_irq_mask, - .unmask = ixdp2x00_irq_unmask -}; - -void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_irqs) -{ - unsigned int irq; - - ixp2000_init_irq(); - - if (!ixdp2x00_master_npu()) - return; - - board_irq_stat = stat_reg; - board_irq_mask = mask_reg; - board_irq_count = nr_irqs; - - *board_irq_mask = 0xffffffff; - - for(irq = IXP2000_BOARD_IRQ(0); irq < IXP2000_BOARD_IRQ(board_irq_count); irq++) { - set_irq_chip(irq, &ixdp2x00_cpld_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } - - /* Hook into PCI interrupt */ - set_irq_chained_handler(IRQ_IXP2000_PCIB, ixdp2x00_irq_handler); -} - -/************************************************************************* - * IXDP2x00 memory map - *************************************************************************/ -static struct map_desc ixdp2x00_io_desc __initdata = { - .virtual = IXDP2X00_VIRT_CPLD_BASE, - .pfn = __phys_to_pfn(IXDP2X00_PHYS_CPLD_BASE), - .length = IXDP2X00_CPLD_SIZE, - .type = MT_DEVICE -}; - -void __init ixdp2x00_map_io(void) -{ - ixp2000_map_io(); - - iotable_init(&ixdp2x00_io_desc, 1); -} - -/************************************************************************* - * IXDP2x00-common PCI init - * - * The IXDP2[48]00 has a horrid PCI bus layout. Basically the board - * contains two NPUs (ingress and egress) connected over PCI, both running - * instances of the kernel. So far so good. Peers on the PCI bus running - * Linux is a common design in telecom systems. The problem is that instead - * of all the devices being controlled by a single host, different - * devices are controlled by different NPUs on the same bus, leading to - * multiple hosts on the bus. The exact bus layout looks like: - * - * Bus 0 - * Master NPU <-------------------+-------------------> Slave NPU - * | - * | - * P2P - * | - * - * Bus 1 | - * <--+------+---------+---------+------+--> - * | | | | | - * | | | | | - * ... Dev PMC Media Eth0 Eth1 ... - * - * The master controls all but Eth1, which is controlled by the - * slave. What this means is that the both the master and the slave - * have to scan the bus, but only one of them can enumerate the bus. - * In addition, after the bus is scanned, each kernel must remove - * the device(s) it does not control from the PCI dev list otherwise - * a driver on each NPU will try to manage it and we will have horrible - * conflicts. Oh..and the slave NPU needs to see the master NPU - * for Intel's drivers to work properly. Closed source drivers... - * - * The way we deal with this is fairly simple but ugly: - * - * 1) Let master scan and enumerate the bus completely. - * 2) Master deletes Eth1 from device list. - * 3) Slave scans bus and then deletes all but Eth1 (Eth0 on slave) - * from device list. - * 4) Find HW designers and LART them. - * - * The boards also do not do normal PCI IRQ routing, or any sort of - * sensical swizzling, so we just need to check where on the bus a - * device sits and figure out to which CPLD pin the interrupt is routed. - * See ixdp2[48]00.c files. - * - *************************************************************************/ -void ixdp2x00_slave_pci_postinit(void) -{ - struct pci_dev *dev; - - /* - * Remove PMC device is there is one - */ - if((dev = pci_get_bus_and_slot(1, IXDP2X00_PMC_DEVFN))) { - pci_remove_bus_device(dev); - pci_dev_put(dev); - } - - dev = pci_get_bus_and_slot(0, IXDP2X00_21555_DEVFN); - pci_remove_bus_device(dev); - pci_dev_put(dev); -} - -/************************************************************************** - * IXDP2x00 Machine Setup - *************************************************************************/ -static struct flash_platform_data ixdp2x00_platform_data = { - .map_name = "cfi_probe", - .width = 1, -}; - -static struct ixp2000_flash_data ixdp2x00_flash_data = { - .platform_data = &ixdp2x00_platform_data, - .nr_banks = 1 -}; - -static struct resource ixdp2x00_flash_resource = { - .start = 0xc4000000, - .end = 0xc4000000 + 0x00ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ixdp2x00_flash = { - .name = "IXP2000-Flash", - .id = 0, - .dev = { - .platform_data = &ixdp2x00_flash_data, - }, - .num_resources = 1, - .resource = &ixdp2x00_flash_resource, -}; - -static struct ixp2000_i2c_pins ixdp2x00_i2c_gpio_pins = { - .sda_pin = IXDP2X00_GPIO_SDA, - .scl_pin = IXDP2X00_GPIO_SCL, -}; - -static struct platform_device ixdp2x00_i2c_controller = { - .name = "IXP2000-I2C", - .id = 0, - .dev = { - .platform_data = &ixdp2x00_i2c_gpio_pins, - }, - .num_resources = 0 -}; - -static struct platform_device *ixdp2x00_devices[] __initdata = { - &ixdp2x00_flash, - &ixdp2x00_i2c_controller -}; - -void __init ixdp2x00_init_machine(void) -{ - gpio_line_set(IXDP2X00_GPIO_I2C_ENABLE, 1); - gpio_line_config(IXDP2X00_GPIO_I2C_ENABLE, GPIO_OUT); - - platform_add_devices(ixdp2x00_devices, ARRAY_SIZE(ixdp2x00_devices)); - ixp2000_uart_init(); -} - diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c deleted file mode 100644 index d3d730d2fc2..00000000000 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * arch/arm/mach-ixp2000/ixdp2x01.c - * - * Code common to Intel IXDP2401 and IXDP2801 platforms - * - * Original Author: Andrzej Mialkowski <andrzej.mialkowski@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002-2003 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/serial.h> -#include <linux/tty.h> -#include <linux/serial_core.h> -#include <linux/platform_device.h> -#include <linux/serial_8250.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/system.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> - -#include <asm/mach/pci.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> - -/************************************************************************* - * IXDP2x01 IRQ Handling - *************************************************************************/ -static void ixdp2x01_irq_mask(unsigned int irq) -{ - ixp2000_reg_wrb(IXDP2X01_INT_MASK_SET_REG, - IXP2000_BOARD_IRQ_MASK(irq)); -} - -static void ixdp2x01_irq_unmask(unsigned int irq) -{ - ixp2000_reg_write(IXDP2X01_INT_MASK_CLR_REG, - IXP2000_BOARD_IRQ_MASK(irq)); -} - -static u32 valid_irq_mask; - -static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - u32 ex_interrupt; - int i; - - desc->chip->mask(irq); - - ex_interrupt = *IXDP2X01_INT_STAT_REG & valid_irq_mask; - - if (!ex_interrupt) { - printk(KERN_ERR "Spurious IXDP2X01 CPLD interrupt!\n"); - return; - } - - for (i = 0; i < IXP2000_BOARD_IRQS; i++) { - if (ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; - int cpld_irq = IXP2000_BOARD_IRQ(0) + i; - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); - } - } - - desc->chip->unmask(irq); -} - -static struct irq_chip ixdp2x01_irq_chip = { - .mask = ixdp2x01_irq_mask, - .ack = ixdp2x01_irq_mask, - .unmask = ixdp2x01_irq_unmask -}; - -/* - * We only do anything if we are the master NPU on the board. - * The slave NPU only has the ethernet chip going directly to - * the PCIB interrupt input. - */ -void __init ixdp2x01_init_irq(void) -{ - int irq = 0; - - /* initialize chip specific interrupts */ - ixp2000_init_irq(); - - if (machine_is_ixdp2401()) - valid_irq_mask = IXDP2401_VALID_IRQ_MASK; - else - valid_irq_mask = IXDP2801_VALID_IRQ_MASK; - - /* Mask all interrupts from CPLD, disable simulation */ - ixp2000_reg_write(IXDP2X01_INT_MASK_SET_REG, 0xffffffff); - ixp2000_reg_wrb(IXDP2X01_INT_SIM_REG, 0); - - for (irq = NR_IXP2000_IRQS; irq < NR_IXDP2X01_IRQS; irq++) { - if (irq & valid_irq_mask) { - set_irq_chip(irq, &ixdp2x01_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } else { - set_irq_flags(irq, 0); - } - } - - /* Hook into PCI interrupts */ - set_irq_chained_handler(IRQ_IXP2000_PCIB, ixdp2x01_irq_handler); -} - - -/************************************************************************* - * IXDP2x01 memory map - *************************************************************************/ -static struct map_desc ixdp2x01_io_desc __initdata = { - .virtual = IXDP2X01_VIRT_CPLD_BASE, - .pfn = __phys_to_pfn(IXDP2X01_PHYS_CPLD_BASE), - .length = IXDP2X01_CPLD_REGION_SIZE, - .type = MT_DEVICE -}; - -static void __init ixdp2x01_map_io(void) -{ - ixp2000_map_io(); - iotable_init(&ixdp2x01_io_desc, 1); -} - - -/************************************************************************* - * IXDP2x01 serial ports - *************************************************************************/ -static struct plat_serial8250_port ixdp2x01_serial_port1[] = { - { - .mapbase = (unsigned long)IXDP2X01_UART1_PHYS_BASE, - .membase = (char *)IXDP2X01_UART1_VIRT_BASE, - .irq = IRQ_IXDP2X01_UART1, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM32, - .regshift = 2, - .uartclk = IXDP2X01_UART_CLK, - }, - { } -}; - -static struct resource ixdp2x01_uart_resource1 = { - .start = IXDP2X01_UART1_PHYS_BASE, - .end = IXDP2X01_UART1_PHYS_BASE + 0xffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ixdp2x01_serial_device1 = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM1, - .dev = { - .platform_data = ixdp2x01_serial_port1, - }, - .num_resources = 1, - .resource = &ixdp2x01_uart_resource1, -}; - -static struct plat_serial8250_port ixdp2x01_serial_port2[] = { - { - .mapbase = (unsigned long)IXDP2X01_UART2_PHYS_BASE, - .membase = (char *)IXDP2X01_UART2_VIRT_BASE, - .irq = IRQ_IXDP2X01_UART2, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM32, - .regshift = 2, - .uartclk = IXDP2X01_UART_CLK, - }, - { } -}; - -static struct resource ixdp2x01_uart_resource2 = { - .start = IXDP2X01_UART2_PHYS_BASE, - .end = IXDP2X01_UART2_PHYS_BASE + 0xffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ixdp2x01_serial_device2 = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM2, - .dev = { - .platform_data = ixdp2x01_serial_port2, - }, - .num_resources = 1, - .resource = &ixdp2x01_uart_resource2, -}; - -static void ixdp2x01_uart_init(void) -{ - platform_device_register(&ixdp2x01_serial_device1); - platform_device_register(&ixdp2x01_serial_device2); -} - - -/************************************************************************* - * IXDP2x01 timer tick configuration - *************************************************************************/ -static unsigned int ixdp2x01_clock; - -static int __init ixdp2x01_clock_setup(char *str) -{ - ixdp2x01_clock = simple_strtoul(str, NULL, 10); - - return 1; -} - -__setup("ixdp2x01_clock=", ixdp2x01_clock_setup); - -static void __init ixdp2x01_timer_init(void) -{ - if (!ixdp2x01_clock) - ixdp2x01_clock = 50000000; - - ixp2000_init_time(ixdp2x01_clock); -} - -static struct sys_timer ixdp2x01_timer = { - .init = ixdp2x01_timer_init, - .offset = ixp2000_gettimeoffset, -}; - -/************************************************************************* - * IXDP2x01 PCI - *************************************************************************/ -void __init ixdp2x01_pci_preinit(void) -{ - ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00000000); - ixp2000_pci_preinit(); - pcibios_setup("firmware"); -} - -#define DEVPIN(dev, pin) ((pin) | ((dev) << 3)) - -static int __init ixdp2x01_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - u8 bus = dev->bus->number; - u32 devpin = DEVPIN(PCI_SLOT(dev->devfn), pin); - struct pci_bus *tmp_bus = dev->bus; - - /* Primary bus, no interrupts here */ - if (bus == 0) { - return -1; - } - - /* Lookup first leaf in bus tree */ - while ((tmp_bus->parent != NULL) && (tmp_bus->parent->parent != NULL)) { - tmp_bus = tmp_bus->parent; - } - - /* Select between known bridges */ - switch (tmp_bus->self->devfn | (tmp_bus->self->bus->number << 8)) { - /* Device is located after first MB bridge */ - case 0x0008: - if (tmp_bus == dev->bus) { - /* Device is located directly after first MB bridge */ - switch (devpin) { - case DEVPIN(1, 1): /* Onboard 82546 ch 0 */ - if (machine_is_ixdp2401()) - return IRQ_IXDP2401_INTA_82546; - return -1; - case DEVPIN(1, 2): /* Onboard 82546 ch 1 */ - if (machine_is_ixdp2401()) - return IRQ_IXDP2401_INTB_82546; - return -1; - case DEVPIN(0, 1): /* PMC INTA# */ - return IRQ_IXDP2X01_SPCI_PMC_INTA; - case DEVPIN(0, 2): /* PMC INTB# */ - return IRQ_IXDP2X01_SPCI_PMC_INTB; - case DEVPIN(0, 3): /* PMC INTC# */ - return IRQ_IXDP2X01_SPCI_PMC_INTC; - case DEVPIN(0, 4): /* PMC INTD# */ - return IRQ_IXDP2X01_SPCI_PMC_INTD; - } - } - break; - case 0x0010: - if (tmp_bus == dev->bus) { - /* Device is located directly after second MB bridge */ - /* Secondary bus of second bridge */ - switch (devpin) { - case DEVPIN(0, 1): /* DB#0 */ - return IRQ_IXDP2X01_SPCI_DB_0; - case DEVPIN(1, 1): /* DB#1 */ - return IRQ_IXDP2X01_SPCI_DB_1; - } - } else { - /* Device is located indirectly after second MB bridge */ - /* Not supported now */ - } - break; - } - - return -1; -} - - -static int ixdp2x01_pci_setup(int nr, struct pci_sys_data *sys) -{ - sys->mem_offset = 0xe0000000; - - if (machine_is_ixdp2801() || machine_is_ixdp28x5()) - sys->mem_offset -= ((*IXP2000_PCI_ADDR_EXT & 0xE000) << 16); - - return ixp2000_pci_setup(nr, sys); -} - -struct hw_pci ixdp2x01_pci __initdata = { - .nr_controllers = 1, - .setup = ixdp2x01_pci_setup, - .preinit = ixdp2x01_pci_preinit, - .scan = ixp2000_pci_scan_bus, - .map_irq = ixdp2x01_pci_map_irq, -}; - -int __init ixdp2x01_pci_init(void) -{ - if (machine_is_ixdp2401() || machine_is_ixdp2801() ||\ - machine_is_ixdp28x5()) - pci_common_init(&ixdp2x01_pci); - - return 0; -} - -subsys_initcall(ixdp2x01_pci_init); - -/************************************************************************* - * IXDP2x01 Machine Initialization - *************************************************************************/ -static struct flash_platform_data ixdp2x01_flash_platform_data = { - .map_name = "cfi_probe", - .width = 1, -}; - -static unsigned long ixdp2x01_flash_bank_setup(unsigned long ofs) -{ - ixp2000_reg_wrb(IXDP2X01_CPLD_FLASH_REG, - ((ofs >> IXDP2X01_FLASH_WINDOW_BITS) | IXDP2X01_CPLD_FLASH_INTERN)); - return (ofs & IXDP2X01_FLASH_WINDOW_MASK); -} - -static struct ixp2000_flash_data ixdp2x01_flash_data = { - .platform_data = &ixdp2x01_flash_platform_data, - .bank_setup = ixdp2x01_flash_bank_setup -}; - -static struct resource ixdp2x01_flash_resource = { - .start = 0xc4000000, - .end = 0xc4000000 + 0x01ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ixdp2x01_flash = { - .name = "IXP2000-Flash", - .id = 0, - .dev = { - .platform_data = &ixdp2x01_flash_data, - }, - .num_resources = 1, - .resource = &ixdp2x01_flash_resource, -}; - -static struct ixp2000_i2c_pins ixdp2x01_i2c_gpio_pins = { - .sda_pin = IXDP2X01_GPIO_SDA, - .scl_pin = IXDP2X01_GPIO_SCL, -}; - -static struct platform_device ixdp2x01_i2c_controller = { - .name = "IXP2000-I2C", - .id = 0, - .dev = { - .platform_data = &ixdp2x01_i2c_gpio_pins, - }, - .num_resources = 0 -}; - -static struct platform_device *ixdp2x01_devices[] __initdata = { - &ixdp2x01_flash, - &ixdp2x01_i2c_controller -}; - -static void __init ixdp2x01_init_machine(void) -{ - ixp2000_reg_wrb(IXDP2X01_CPLD_FLASH_REG, - (IXDP2X01_CPLD_FLASH_BANK_MASK | IXDP2X01_CPLD_FLASH_INTERN)); - - ixdp2x01_flash_data.nr_banks = - ((*IXDP2X01_CPLD_FLASH_REG & IXDP2X01_CPLD_FLASH_BANK_MASK) + 1); - - platform_add_devices(ixdp2x01_devices, ARRAY_SIZE(ixdp2x01_devices)); - ixp2000_uart_init(); - ixdp2x01_uart_init(); -} - - -#ifdef CONFIG_ARCH_IXDP2401 -MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform") - /* Maintainer: MontaVista Software, Inc. */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = ixdp2x01_map_io, - .init_irq = ixdp2x01_init_irq, - .timer = &ixdp2x01_timer, - .init_machine = ixdp2x01_init_machine, -MACHINE_END -#endif - -#ifdef CONFIG_ARCH_IXDP2801 -MACHINE_START(IXDP2801, "Intel IXDP2801 Development Platform") - /* Maintainer: MontaVista Software, Inc. */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = ixdp2x01_map_io, - .init_irq = ixdp2x01_init_irq, - .timer = &ixdp2x01_timer, - .init_machine = ixdp2x01_init_machine, -MACHINE_END - -/* - * IXDP28x5 is basically an IXDP2801 with a different CPU but Intel - * changed the machine ID in the bootloader - */ -MACHINE_START(IXDP28X5, "Intel IXDP2805/2855 Development Platform") - /* Maintainer: MontaVista Software, Inc. */ - .phys_io = IXP2000_UART_PHYS_BASE, - .io_pg_offst = ((IXP2000_UART_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = 0x00000100, - .map_io = ixdp2x01_map_io, - .init_irq = ixdp2x01_init_irq, - .timer = &ixdp2x01_timer, - .init_machine = ixdp2x01_init_machine, -MACHINE_END -#endif - - diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c deleted file mode 100644 index 03f4cf7f9de..00000000000 --- a/arch/arm/mach-ixp2000/pci.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - * arch/arm/mach-ixp2000/pci.c - * - * PCI routines for IXDP2400/IXDP2800 boards - * - * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> - * Maintained by: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright 2002 Intel Corp. - * Copyright (C) 2003-2004 MontaVista Software, 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. - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/system.h> -#include <asm/hardware.h> - -#include <asm/mach/pci.h> - -static volatile int pci_master_aborts = 0; - -static int clear_master_aborts(void); - -u32 * -ixp2000_pci_config_addr(unsigned int bus_nr, unsigned int devfn, int where) -{ - u32 *paddress; - - if (PCI_SLOT(devfn) > 7) - return 0; - - /* Must be dword aligned */ - where &= ~3; - - /* - * For top bus, generate type 0, else type 1 - */ - if (!bus_nr) { - /* only bits[23:16] are used for IDSEL */ - paddress = (u32 *) (IXP2000_PCI_CFG0_VIRT_BASE - | (1 << (PCI_SLOT(devfn) + 16)) - | (PCI_FUNC(devfn) << 8) | where); - } else { - paddress = (u32 *) (IXP2000_PCI_CFG1_VIRT_BASE - | (bus_nr << 16) - | (PCI_SLOT(devfn) << 11) - | (PCI_FUNC(devfn) << 8) | where); - } - - return paddress; -} - -/* - * Mask table, bits to mask for quantity of size 1, 2 or 4 bytes. - * 0 and 3 are not valid indexes... - */ -static u32 bytemask[] = { - /*0*/ 0, - /*1*/ 0xff, - /*2*/ 0xffff, - /*3*/ 0, - /*4*/ 0xffffffff, -}; - - -int ixp2000_pci_read_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 *value) -{ - u32 n; - u32 *addr; - - n = where % 4; - - addr = ixp2000_pci_config_addr(bus->number, devfn, where); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - - pci_master_aborts = 0; - *value = (*addr >> (8*n)) & bytemask[size]; - if (pci_master_aborts) { - pci_master_aborts = 0; - *value = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - return PCIBIOS_SUCCESSFUL; -} - -/* - * We don't do error checks by calling clear_master_aborts() b/c the - * assumption is that the caller did a read first to make sure a device - * exists. - */ -int ixp2000_pci_write_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 value) -{ - u32 mask; - u32 *addr; - u32 temp; - - mask = ~(bytemask[size] << ((where % 0x4) * 8)); - addr = ixp2000_pci_config_addr(bus->number, devfn, where); - if (!addr) - return PCIBIOS_DEVICE_NOT_FOUND; - temp = (u32) (value) << ((where % 0x4) * 8); - *addr = (*addr & mask) | temp; - - clear_master_aborts(); - - return PCIBIOS_SUCCESSFUL; -} - - -static struct pci_ops ixp2000_pci_ops = { - .read = ixp2000_pci_read_config, - .write = ixp2000_pci_write_config -}; - -struct pci_bus *ixp2000_pci_scan_bus(int nr, struct pci_sys_data *sysdata) -{ - return pci_scan_bus(sysdata->busnr, &ixp2000_pci_ops, sysdata); -} - - -int ixp2000_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs) -{ - - volatile u32 temp; - unsigned long flags; - - pci_master_aborts = 1; - - local_irq_save(flags); - temp = *(IXP2000_PCI_CONTROL); - if (temp & ((1 << 8) | (1 << 5))) { - ixp2000_reg_wrb(IXP2000_PCI_CONTROL, temp); - } - - temp = *(IXP2000_PCI_CMDSTAT); - if (temp & (1 << 29)) { - while (temp & (1 << 29)) { - ixp2000_reg_write(IXP2000_PCI_CMDSTAT, temp); - temp = *(IXP2000_PCI_CMDSTAT); - } - } - local_irq_restore(flags); - - /* - * If it was an imprecise abort, then we need to correct the - * return address to be _after_ the instruction. - */ - if (fsr & (1 << 10)) - regs->ARM_pc += 4; - - return 0; -} - -int -clear_master_aborts(void) -{ - volatile u32 temp; - unsigned long flags; - - local_irq_save(flags); - temp = *(IXP2000_PCI_CONTROL); - if (temp & ((1 << 8) | (1 << 5))) { - ixp2000_reg_wrb(IXP2000_PCI_CONTROL, temp); - } - - temp = *(IXP2000_PCI_CMDSTAT); - if (temp & (1 << 29)) { - while (temp & (1 << 29)) { - ixp2000_reg_write(IXP2000_PCI_CMDSTAT, temp); - temp = *(IXP2000_PCI_CMDSTAT); - } - } - local_irq_restore(flags); - - return 0; -} - -void __init -ixp2000_pci_preinit(void) -{ -#ifndef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO - /* - * Configure the PCI unit to properly byteswap I/O transactions, - * and verify that it worked. - */ - ixp2000_reg_write(IXP2000_PCI_CONTROL, - (*IXP2000_PCI_CONTROL | PCI_CONTROL_IEE)); - - if ((*IXP2000_PCI_CONTROL & PCI_CONTROL_IEE) == 0) - panic("IXP2000: PCI I/O is broken on this ixp model, and " - "the needed workaround has not been configured in"); -#endif - - hook_fault_code(16+6, ixp2000_pci_abort_handler, SIGBUS, - "PCI config cycle to non-existent device"); -} - - -/* - * IXP2000 systems often have large resource requirements, so we just - * use our own resource space. - */ -static struct resource ixp2000_pci_mem_space = { - .start = 0xe0000000, - .end = 0xffffffff, - .flags = IORESOURCE_MEM, - .name = "PCI Mem Space" -}; - -static struct resource ixp2000_pci_io_space = { - .start = 0x00010000, - .end = 0x0001ffff, - .flags = IORESOURCE_IO, - .name = "PCI I/O Space" -}; - -int ixp2000_pci_setup(int nr, struct pci_sys_data *sys) -{ - if (nr >= 1) - return 0; - - sys->resource[0] = &ixp2000_pci_io_space; - sys->resource[1] = &ixp2000_pci_mem_space; - sys->resource[2] = NULL; - - return 1; -} - |