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authorArnd Bergmann2013-03-19 21:59:59 +0100
committerArnd Bergmann2013-03-19 21:59:59 +0100
commite7b64391baff6969adeb7b0152c0317a9398fdda (patch)
tree7a5ce6fcfed620cf8e9fca388891e5a1cefb851a /arch/arm/mach-h720x/cpu-h7202.c
parentARM: l7200: remove zombie file (diff)
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ARM: kill Hynix h720x platform
The platform was merged about 10 years ago, and has seen few updates for most of the time since. The people that merged the code seem no longer interested in it either, so let's remove it now. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Robert Schwebel <r.schwebel@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
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));
-}