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Diffstat (limited to 'arch/arm/mach-h720x/common.c')
-rw-r--r--arch/arm/mach-h720x/common.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c
deleted file mode 100644
index 17ef91fa3d5..00000000000
--- a/arch/arm/mach-h720x/common.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * linux/arch/arm/mach-h720x/common.c
- *
- * Copyright (C) 2003 Thomas Gleixner <tglx@linutronix.de>
- * 2003 Robert Schwebel <r.schwebel@pengutronix.de>
- * 2004 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * common stuff for Hynix h720x processors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/sched.h>
-#include <linux/mman.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/dma.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/system_misc.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/map.h>
-#include <mach/irqs.h>
-
-#include <asm/mach/dma.h>
-
-#if 0
-#define IRQDBG(args...) printk(args)
-#else
-#define IRQDBG(args...) do {} while(0)
-#endif
-
-void __init arch_dma_init(dma_t *dma)
-{
-}
-
-/*
- * Return nsecs since last timer reload
- * (timercount * (usecs perjiffie)) / (ticks per jiffie)
- */
-u32 h720x_gettimeoffset(void)
-{
- return ((CPU_REG(TIMER_VIRT, TM0_COUNT) * tick_usec) / LATCH) * 1000;
-}
-
-/*
- * mask Global irq's
- */
-static void mask_global_irq(struct irq_data *d)
-{
- CPU_REG (IRQC_VIRT, IRQC_IER) &= ~(1 << d->irq);
-}
-
-/*
- * unmask Global irq's
- */
-static void unmask_global_irq(struct irq_data *d)
-{
- CPU_REG (IRQC_VIRT, IRQC_IER) |= (1 << d->irq);
-}
-
-
-/*
- * ack GPIO irq's
- * Ack only for edge triggered int's valid
- */
-static void inline ack_gpio_irq(struct irq_data *d)
-{
- u32 reg_base = GPIO_VIRT(IRQ_TO_REGNO(d->irq));
- u32 bit = IRQ_TO_BIT(d->irq);
- if ( (CPU_REG (reg_base, GPIO_EDGE) & bit))
- CPU_REG (reg_base, GPIO_CLR) = bit;
-}
-
-/*
- * mask GPIO irq's
- */
-static void inline mask_gpio_irq(struct irq_data *d)
-{
- u32 reg_base = GPIO_VIRT(IRQ_TO_REGNO(d->irq));
- u32 bit = IRQ_TO_BIT(d->irq);
- CPU_REG (reg_base, GPIO_MASK) &= ~bit;
-}
-
-/*
- * unmask GPIO irq's
- */
-static void inline unmask_gpio_irq(struct irq_data *d)
-{
- u32 reg_base = GPIO_VIRT(IRQ_TO_REGNO(d->irq));
- u32 bit = IRQ_TO_BIT(d->irq);
- CPU_REG (reg_base, GPIO_MASK) |= bit;
-}
-
-static void
-h720x_gpio_handler(unsigned int mask, unsigned int irq,
- struct irq_desc *desc)
-{
- IRQDBG("%s irq: %d\n", __func__, irq);
- while (mask) {
- if (mask & 1) {
- IRQDBG("handling irq %d\n", irq);
- generic_handle_irq(irq);
- }
- irq++;
- mask >>= 1;
- }
-}
-
-static void
-h720x_gpioa_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = CPU_REG(GPIO_A_VIRT,GPIO_STAT);
- irq = IRQ_CHAINED_GPIOA(0);
- IRQDBG("%s mask: 0x%08x irq: %d\n", __func__, mask,irq);
- h720x_gpio_handler(mask, irq, desc);
-}
-
-static void
-h720x_gpiob_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
- mask = CPU_REG(GPIO_B_VIRT,GPIO_STAT);
- irq = IRQ_CHAINED_GPIOB(0);
- IRQDBG("%s mask: 0x%08x irq: %d\n", __func__, mask,irq);
- h720x_gpio_handler(mask, irq, desc);
-}
-
-static void
-h720x_gpioc_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = CPU_REG(GPIO_C_VIRT,GPIO_STAT);
- irq = IRQ_CHAINED_GPIOC(0);
- IRQDBG("%s mask: 0x%08x irq: %d\n", __func__, mask,irq);
- h720x_gpio_handler(mask, irq, desc);
-}
-
-static void
-h720x_gpiod_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = CPU_REG(GPIO_D_VIRT,GPIO_STAT);
- irq = IRQ_CHAINED_GPIOD(0);
- IRQDBG("%s mask: 0x%08x irq: %d\n", __func__, mask,irq);
- h720x_gpio_handler(mask, irq, desc);
-}
-
-#ifdef CONFIG_CPU_H7202
-static void
-h720x_gpioe_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = CPU_REG(GPIO_E_VIRT,GPIO_STAT);
- irq = IRQ_CHAINED_GPIOE(0);
- IRQDBG("%s mask: 0x%08x irq: %d\n", __func__, mask,irq);
- h720x_gpio_handler(mask, irq, desc);
-}
-#endif
-
-static struct irq_chip h720x_global_chip = {
- .irq_ack = mask_global_irq,
- .irq_mask = mask_global_irq,
- .irq_unmask = unmask_global_irq,
-};
-
-static struct irq_chip h720x_gpio_chip = {
- .irq_ack = ack_gpio_irq,
- .irq_mask = mask_gpio_irq,
- .irq_unmask = unmask_gpio_irq,
-};
-
-/*
- * Initialize IRQ's, mask all, enable multiplexed irq's
- */
-void __init h720x_init_irq (void)
-{
- int irq;
-
- /* Mask global irq's */
- CPU_REG (IRQC_VIRT, IRQC_IER) = 0x0;
-
- /* Mask all multiplexed irq's */
- CPU_REG (GPIO_A_VIRT, GPIO_MASK) = 0x0;
- CPU_REG (GPIO_B_VIRT, GPIO_MASK) = 0x0;
- CPU_REG (GPIO_C_VIRT, GPIO_MASK) = 0x0;
- CPU_REG (GPIO_D_VIRT, GPIO_MASK) = 0x0;
-
- /* Initialize global IRQ's, fast path */
- for (irq = 0; irq < NR_GLBL_IRQS; irq++) {
- irq_set_chip_and_handler(irq, &h720x_global_chip,
- handle_level_irq);
- set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
- }
-
- /* Initialize multiplexed IRQ's, slow path */
- for (irq = IRQ_CHAINED_GPIOA(0) ; irq <= IRQ_CHAINED_GPIOD(31); irq++) {
- irq_set_chip_and_handler(irq, &h720x_gpio_chip,
- handle_edge_irq);
- set_irq_flags(irq, IRQF_VALID );
- }
- irq_set_chained_handler(IRQ_GPIOA, h720x_gpioa_demux_handler);
- irq_set_chained_handler(IRQ_GPIOB, h720x_gpiob_demux_handler);
- irq_set_chained_handler(IRQ_GPIOC, h720x_gpioc_demux_handler);
- irq_set_chained_handler(IRQ_GPIOD, h720x_gpiod_demux_handler);
-
-#ifdef CONFIG_CPU_H7202
- for (irq = IRQ_CHAINED_GPIOE(0) ; irq <= IRQ_CHAINED_GPIOE(31); irq++) {
- irq_set_chip_and_handler(irq, &h720x_gpio_chip,
- handle_edge_irq);
- set_irq_flags(irq, IRQF_VALID );
- }
- irq_set_chained_handler(IRQ_GPIOE, h720x_gpioe_demux_handler);
-#endif
-
- /* Enable multiplexed irq's */
- CPU_REG (IRQC_VIRT, IRQC_IER) = IRQ_ENA_MUX;
-}
-
-static struct map_desc h720x_io_desc[] __initdata = {
- {
- .virtual = IO_VIRT,
- .pfn = __phys_to_pfn(IO_PHYS),
- .length = IO_SIZE,
- .type = MT_DEVICE
- },
-};
-
-/* Initialize io tables */
-void __init h720x_map_io(void)
-{
- iotable_init(h720x_io_desc,ARRAY_SIZE(h720x_io_desc));
-}
-
-void h720x_restart(char mode, const char *cmd)
-{
- CPU_REG (PMU_BASE, PMU_STAT) |= PMU_WARMRESET;
-}
-
-static void h720x__idle(void)
-{
- CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
- nop();
- nop();
- CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
- nop();
- nop();
-}
-
-static int __init h720x_idle_init(void)
-{
- arm_pm_idle = h720x__idle;
- return 0;
-}
-
-arch_initcall(h720x_idle_init);
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