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Diffstat (limited to 'arch/arm/mach-clps7500/core.c')
-rw-r--r--arch/arm/mach-clps7500/core.c395
1 files changed, 0 insertions, 395 deletions
diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c
deleted file mode 100644
index 7e247c04d41..00000000000
--- a/arch/arm/mach-clps7500/core.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * linux/arch/arm/mach-clps7500/core.c
- *
- * Copyright (C) 1998 Russell King
- * Copyright (C) 1999 Nexus Electronics Ltd
- *
- * Extra MM routines for CL7500 architecture
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/list.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/serial_8250.h>
-#include <linux/io.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-
-#include <mach/hardware.h>
-#include <asm/hardware/iomd.h>
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-unsigned int vram_size;
-
-static void cl7500_ack_irq_a(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << irq;
- val = iomd_readb(IOMD_IRQMASKA);
- iomd_writeb(val & ~mask, IOMD_IRQMASKA);
- iomd_writeb(mask, IOMD_IRQCLRA);
-}
-
-static void cl7500_mask_irq_a(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << irq;
- val = iomd_readb(IOMD_IRQMASKA);
- iomd_writeb(val & ~mask, IOMD_IRQMASKA);
-}
-
-static void cl7500_unmask_irq_a(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << irq;
- val = iomd_readb(IOMD_IRQMASKA);
- iomd_writeb(val | mask, IOMD_IRQMASKA);
-}
-
-static struct irq_chip clps7500_a_chip = {
- .ack = cl7500_ack_irq_a,
- .mask = cl7500_mask_irq_a,
- .unmask = cl7500_unmask_irq_a,
-};
-
-static void cl7500_mask_irq_b(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKB);
- iomd_writeb(val & ~mask, IOMD_IRQMASKB);
-}
-
-static void cl7500_unmask_irq_b(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKB);
- iomd_writeb(val | mask, IOMD_IRQMASKB);
-}
-
-static struct irq_chip clps7500_b_chip = {
- .ack = cl7500_mask_irq_b,
- .mask = cl7500_mask_irq_b,
- .unmask = cl7500_unmask_irq_b,
-};
-
-static void cl7500_mask_irq_c(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKC);
- iomd_writeb(val & ~mask, IOMD_IRQMASKC);
-}
-
-static void cl7500_unmask_irq_c(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKC);
- iomd_writeb(val | mask, IOMD_IRQMASKC);
-}
-
-static struct irq_chip clps7500_c_chip = {
- .ack = cl7500_mask_irq_c,
- .mask = cl7500_mask_irq_c,
- .unmask = cl7500_unmask_irq_c,
-};
-
-static void cl7500_mask_irq_d(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKD);
- iomd_writeb(val & ~mask, IOMD_IRQMASKD);
-}
-
-static void cl7500_unmask_irq_d(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_IRQMASKD);
- iomd_writeb(val | mask, IOMD_IRQMASKD);
-}
-
-static struct irq_chip clps7500_d_chip = {
- .ack = cl7500_mask_irq_d,
- .mask = cl7500_mask_irq_d,
- .unmask = cl7500_unmask_irq_d,
-};
-
-static void cl7500_mask_irq_dma(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_DMAMASK);
- iomd_writeb(val & ~mask, IOMD_DMAMASK);
-}
-
-static void cl7500_unmask_irq_dma(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_DMAMASK);
- iomd_writeb(val | mask, IOMD_DMAMASK);
-}
-
-static struct irq_chip clps7500_dma_chip = {
- .ack = cl7500_mask_irq_dma,
- .mask = cl7500_mask_irq_dma,
- .unmask = cl7500_unmask_irq_dma,
-};
-
-static void cl7500_mask_irq_fiq(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_FIQMASK);
- iomd_writeb(val & ~mask, IOMD_FIQMASK);
-}
-
-static void cl7500_unmask_irq_fiq(unsigned int irq)
-{
- unsigned int val, mask;
-
- mask = 1 << (irq & 7);
- val = iomd_readb(IOMD_FIQMASK);
- iomd_writeb(val | mask, IOMD_FIQMASK);
-}
-
-static struct irq_chip clps7500_fiq_chip = {
- .ack = cl7500_mask_irq_fiq,
- .mask = cl7500_mask_irq_fiq,
- .unmask = cl7500_unmask_irq_fiq,
-};
-
-static void cl7500_no_action(unsigned int irq)
-{
-}
-
-static struct irq_chip clps7500_no_chip = {
- .ack = cl7500_no_action,
- .mask = cl7500_no_action,
- .unmask = cl7500_no_action,
-};
-
-static struct irqaction irq_isa = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .name = "isa",
-};
-
-static void __init clps7500_init_irq(void)
-{
- unsigned int irq, flags;
-
- iomd_writeb(0, IOMD_IRQMASKA);
- iomd_writeb(0, IOMD_IRQMASKB);
- iomd_writeb(0, IOMD_FIQMASK);
- iomd_writeb(0, IOMD_DMAMASK);
-
- for (irq = 0; irq < NR_IRQS; irq++) {
- flags = IRQF_VALID;
-
- if (irq <= 6 || (irq >= 9 && irq <= 15) ||
- (irq >= 48 && irq <= 55))
- flags |= IRQF_PROBE;
-
- switch (irq) {
- case 0 ... 7:
- set_irq_chip(irq, &clps7500_a_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 8 ... 15:
- set_irq_chip(irq, &clps7500_b_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 16 ... 22:
- set_irq_chip(irq, &clps7500_dma_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 24 ... 31:
- set_irq_chip(irq, &clps7500_c_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 40 ... 47:
- set_irq_chip(irq, &clps7500_d_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 48 ... 55:
- set_irq_chip(irq, &clps7500_no_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
-
- case 64 ... 72:
- set_irq_chip(irq, &clps7500_fiq_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, flags);
- break;
- }
- }
-
- setup_irq(IRQ_ISA, &irq_isa);
-}
-
-static struct map_desc cl7500_io_desc[] __initdata = {
- { /* IO space */
- .virtual = (unsigned long)IO_BASE,
- .pfn = __phys_to_pfn(IO_START),
- .length = IO_SIZE,
- .type = MT_DEVICE
- }, { /* ISA space */
- .virtual = ISA_BASE,
- .pfn = __phys_to_pfn(ISA_START),
- .length = ISA_SIZE,
- .type = MT_DEVICE
- }, { /* Flash */
- .virtual = CLPS7500_FLASH_BASE,
- .pfn = __phys_to_pfn(CLPS7500_FLASH_START),
- .length = CLPS7500_FLASH_SIZE,
- .type = MT_DEVICE
- }, { /* LED */
- .virtual = LED_BASE,
- .pfn = __phys_to_pfn(LED_START),
- .length = LED_SIZE,
- .type = MT_DEVICE
- }
-};
-
-static void __init clps7500_map_io(void)
-{
- iotable_init(cl7500_io_desc, ARRAY_SIZE(cl7500_io_desc));
-}
-
-extern void ioctime_init(void);
-extern unsigned long ioc_timer_gettimeoffset(void);
-
-static irqreturn_t
-clps7500_timer_interrupt(int irq, void *dev_id)
-{
- timer_tick();
-
- /* Why not using do_leds interface?? */
- {
- /* Twinkle the lights. */
- static int count, state = 0xff00;
- if (count-- == 0) {
- state ^= 0x100;
- count = 25;
- *((volatile unsigned int *)LED_ADDRESS) = state;
- }
- }
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction clps7500_timer_irq = {
- .name = "CLPS7500 Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = clps7500_timer_interrupt,
-};
-
-/*
- * Set up timer interrupt.
- */
-static void __init clps7500_timer_init(void)
-{
- ioctime_init();
- setup_irq(IRQ_TIMER, &clps7500_timer_irq);
-}
-
-static struct sys_timer clps7500_timer = {
- .init = clps7500_timer_init,
- .offset = ioc_timer_gettimeoffset,
-};
-
-static struct plat_serial8250_port serial_platform_data[] = {
- {
- .mapbase = 0x03010fe0,
- .irq = 10,
- .uartclk = 1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
- },
- {
- .mapbase = 0x03010be0,
- .irq = 0,
- .uartclk = 1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
- },
- {
- .iobase = ISASLOT_IO + 0x2e8,
- .irq = 41,
- .uartclk = 1843200,
- .regshift = 0,
- .iotype = UPIO_PORT,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
- {
- .iobase = ISASLOT_IO + 0x3e8,
- .irq = 40,
- .uartclk = 1843200,
- .regshift = 0,
- .iotype = UPIO_PORT,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
- { },
-};
-
-static struct platform_device serial_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = serial_platform_data,
- },
-};
-
-static void __init clps7500_init(void)
-{
- platform_device_register(&serial_device);
-}
-
-MACHINE_START(CLPS7500, "CL-PS7500")
- /* Maintainer: Philip Blundell */
- .phys_io = 0x03000000,
- .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
- .map_io = clps7500_map_io,
- .init_irq = clps7500_init_irq,
- .init_machine = clps7500_init,
- .timer = &clps7500_timer,
-MACHINE_END
-