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Diffstat (limited to 'arch/arm/mach-h720x/cpu-h7202.c')
-rw-r--r--arch/arm/mach-h720x/cpu-h7202.c225
1 files changed, 0 insertions, 225 deletions
diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c
deleted file mode 100644
index e2ae7e898f9d..000000000000
--- a/arch/arm/mach-h720x/cpu-h7202.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * linux/arch/arm/mach-h720x/cpu-h7202.c
- *
- * Copyright (C) 2003 Thomas Gleixner <tglx@linutronix.de>
- * 2003 Robert Schwebel <r.schwebel@pengutronix.de>
- * 2004 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * processor specific stuff for the Hynix h7202
- *
- * 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/init.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <asm/types.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <mach/irqs.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-#include <linux/device.h>
-#include <linux/serial_8250.h>
-#include "common.h"
-
-static struct resource h7202ps2_resources[] = {
- [0] = {
- .start = 0x8002c000,
- .end = 0x8002c040,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_PS2,
- .end = IRQ_PS2,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device h7202ps2_device = {
- .name = "h7202ps2",
- .id = -1,
- .num_resources = ARRAY_SIZE(h7202ps2_resources),
- .resource = h7202ps2_resources,
-};
-
-static struct plat_serial8250_port serial_platform_data[] = {
- {
- .membase = (void*)SERIAL0_VIRT,
- .mapbase = SERIAL0_BASE,
- .irq = IRQ_UART0,
- .uartclk = 2*1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
- {
- .membase = (void*)SERIAL1_VIRT,
- .mapbase = SERIAL1_BASE,
- .irq = IRQ_UART1,
- .uartclk = 2*1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
-#ifdef CONFIG_H7202_SERIAL23
- {
- .membase = (void*)SERIAL2_VIRT,
- .mapbase = SERIAL2_BASE,
- .irq = IRQ_UART2,
- .uartclk = 2*1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
- {
- .membase = (void*)SERIAL3_VIRT,
- .mapbase = SERIAL3_BASE,
- .irq = IRQ_UART3,
- .uartclk = 2*1843200,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- },
-#endif
- { },
-};
-
-static struct platform_device serial_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = serial_platform_data,
- },
-};
-
-static struct platform_device *devices[] __initdata = {
- &h7202ps2_device,
- &serial_device,
-};
-
-/* Although we have two interrupt lines for the timers, we only have one
- * status register which clears all pending timer interrupts on reading. So
- * we have to handle all timer interrupts in one place.
- */
-static void
-h7202_timerx_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
-{
- unsigned int mask, irq;
-
- mask = CPU_REG (TIMER_VIRT, TIMER_TOPSTAT);
-
- if ( mask & TSTAT_T0INT ) {
- timer_tick();
- if( mask == TSTAT_T0INT )
- return;
- }
-
- mask >>= 1;
- irq = IRQ_TIMER1;
- while (mask) {
- if (mask & 1)
- generic_handle_irq(irq);
- irq++;
- mask >>= 1;
- }
-}
-
-/*
- * Timer interrupt handler
- */
-static irqreturn_t
-h7202_timer_interrupt(int irq, void *dev_id)
-{
- h7202_timerx_demux_handler(0, NULL);
- return IRQ_HANDLED;
-}
-
-/*
- * mask multiplexed timer IRQs
- */
-static void inline __mask_timerx_irq(unsigned int irq)
-{
- unsigned int bit;
- bit = 2 << ((irq == IRQ_TIMER64B) ? 4 : (irq - IRQ_TIMER1));
- CPU_REG (TIMER_VIRT, TIMER_TOPCTRL) &= ~bit;
-}
-
-static void inline mask_timerx_irq(struct irq_data *d)
-{
- __mask_timerx_irq(d->irq);
-}
-
-/*
- * unmask multiplexed timer IRQs
- */
-static void inline unmask_timerx_irq(struct irq_data *d)
-{
- unsigned int bit;
- bit = 2 << ((d->irq == IRQ_TIMER64B) ? 4 : (d->irq - IRQ_TIMER1));
- CPU_REG (TIMER_VIRT, TIMER_TOPCTRL) |= bit;
-}
-
-static struct irq_chip h7202_timerx_chip = {
- .irq_ack = mask_timerx_irq,
- .irq_mask = mask_timerx_irq,
- .irq_unmask = unmask_timerx_irq,
-};
-
-static struct irqaction h7202_timer_irq = {
- .name = "h7202 Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = h7202_timer_interrupt,
-};
-
-/*
- * Setup TIMER0 as system timer
- */
-void __init h7202_timer_init(void)
-{
- arch_gettimeoffset = h720x_gettimeoffset;
-
- CPU_REG (TIMER_VIRT, TM0_PERIOD) = LATCH;
- CPU_REG (TIMER_VIRT, TM0_CTRL) = TM_RESET;
- CPU_REG (TIMER_VIRT, TM0_CTRL) = TM_REPEAT | TM_START;
- CPU_REG (TIMER_VIRT, TIMER_TOPCTRL) = ENABLE_TM0_INTR | TIMER_ENABLE_BIT;
-
- setup_irq(IRQ_TIMER0, &h7202_timer_irq);
-}
-
-void __init h7202_init_irq (void)
-{
- int irq;
-
- CPU_REG (GPIO_E_VIRT, GPIO_MASK) = 0x0;
-
- for (irq = IRQ_TIMER1;
- irq < IRQ_CHAINED_TIMERX(NR_TIMERX_IRQS); irq++) {
- __mask_timerx_irq(irq);
- irq_set_chip_and_handler(irq, &h7202_timerx_chip,
- handle_edge_irq);
- set_irq_flags(irq, IRQF_VALID );
- }
- irq_set_chained_handler(IRQ_TIMERX, h7202_timerx_demux_handler);
-
- h720x_init_irq();
-}
-
-void __init init_hw_h7202(void)
-{
- /* Enable clocks */
- CPU_REG (PMU_BASE, PMU_PLL_CTRL) |= PLL_2_EN | PLL_1_EN | PLL_3_MUTE;
-
- CPU_REG (SERIAL0_VIRT, SERIAL_ENABLE) = SERIAL_ENABLE_EN;
- CPU_REG (SERIAL1_VIRT, SERIAL_ENABLE) = SERIAL_ENABLE_EN;
-#ifdef CONFIG_H7202_SERIAL23
- CPU_REG (SERIAL2_VIRT, SERIAL_ENABLE) = SERIAL_ENABLE_EN;
- CPU_REG (SERIAL3_VIRT, SERIAL_ENABLE) = SERIAL_ENABLE_EN;
- CPU_IO (GPIO_AMULSEL) = AMULSEL_USIN2 | AMULSEL_USOUT2 |
- AMULSEL_USIN3 | AMULSEL_USOUT3;
-#endif
- (void) platform_add_devices(devices, ARRAY_SIZE(devices));
-}