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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/mach-gemini/Kconfig40
-rw-r--r--arch/arm/mach-gemini/Makefile15
-rw-r--r--arch/arm/mach-gemini/Makefile.boot6
-rw-r--r--arch/arm/mach-gemini/board-nas4220b.c106
-rw-r--r--arch/arm/mach-gemini/board-rut1xx.c92
-rw-r--r--arch/arm/mach-gemini/board-wbd111.c133
-rw-r--r--arch/arm/mach-gemini/board-wbd222.c133
-rw-r--r--arch/arm/mach-gemini/common.h33
-rw-r--r--arch/arm/mach-gemini/devices.c118
-rw-r--r--arch/arm/mach-gemini/gpio.c231
-rw-r--r--arch/arm/mach-gemini/include/mach/global_reg.h278
-rw-r--r--arch/arm/mach-gemini/irq.c120
-rw-r--r--arch/arm/mach-gemini/mm.c82
-rw-r--r--arch/arm/mach-gemini/reset.c25
-rw-r--r--arch/arm/mach-gemini/time.c239
16 files changed, 2 insertions, 1651 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 637f5756dca8..150119a9de7b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -755,8 +755,6 @@ source "arch/arm/mach-ep93xx/Kconfig"
source "arch/arm/mach-footbridge/Kconfig"
-source "arch/arm/mach-gemini/Kconfig"
-
source "arch/arm/mach-highbank/Kconfig"
source "arch/arm/mach-hisi/Kconfig"
diff --git a/arch/arm/mach-gemini/Kconfig b/arch/arm/mach-gemini/Kconfig
deleted file mode 100644
index 6f066ee4bf24..000000000000
--- a/arch/arm/mach-gemini/Kconfig
+++ /dev/null
@@ -1,40 +0,0 @@
-if ARCH_GEMINI
-
-menu "Cortina Systems Gemini Implementations"
-
-config MACH_NAS4220B
- bool "Raidsonic NAS-4220-B"
- select GEMINI_MEM_SWAP
- help
- Say Y here if you intend to run this kernel on a
- Raidsonic NAS-4220-B.
-
-config MACH_RUT100
- bool "Teltonika RUT100"
- select GEMINI_MEM_SWAP
- help
- Say Y here if you intend to run this kernel on a
- Teltonika 3G Router RUT100.
-
-config MACH_WBD111
- bool "Wiliboard WBD-111"
- select GEMINI_MEM_SWAP
- help
- Say Y here if you intend to run this kernel on a
- Wiliboard WBD-111.
-
-config MACH_WBD222
- bool "Wiliboard WBD-222"
- select GEMINI_MEM_SWAP
- help
- Say Y here if you intend to run this kernel on a
- Wiliboard WBD-222.
-
-endmenu
-
-config GEMINI_MEM_SWAP
- bool "Gemini memory is swapped"
- help
- Say Y here if Gemini memory is swapped by bootloader.
-
-endif
diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile
index 11f07fb6ec3d..30c5acffe948 100644
--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
@@ -1,13 +1,2 @@
-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o board-dt.o
-
-# Board-specific support
-obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
-obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
-obj-$(CONFIG_MACH_WBD111) += board-wbd111.o
-obj-$(CONFIG_MACH_WBD222) += board-wbd222.o
+# Makefile for Cortina systems Gemini
+obj-y := idle.o board-dt.o
diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot
index 683f52b20e3d..760a0efe7580 100644
--- a/arch/arm/mach-gemini/Makefile.boot
+++ b/arch/arm/mach-gemini/Makefile.boot
@@ -1,9 +1,3 @@
-ifeq ($(CONFIG_GEMINI_MEM_SWAP),y)
zreladdr-y += 0x00008000
params_phys-y := 0x00000100
initrd_phys-y := 0x00800000
-else
- zreladdr-y += 0x10008000
-params_phys-y := 0x10000100
-initrd_phys-y := 0x10800000
-endif
diff --git a/arch/arm/mach-gemini/board-nas4220b.c b/arch/arm/mach-gemini/board-nas4220b.c
deleted file mode 100644
index 18b12796acf9..000000000000
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Support for Raidsonic NAS-4220-B
- *
- * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
- *
- * based on rut1xx.c
- * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/platform_device.h>
-#include <linux/leds.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
-#include <linux/io.h>
-
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-
-#include <mach/hardware.h>
-#include <mach/global_reg.h>
-
-#include "common.h"
-
-static struct gpio_led ib4220b_leds[] = {
- {
- .name = "nas4220b:orange:hdd",
- .default_trigger = "none",
- .gpio = 60,
- },
- {
- .name = "nas4220b:green:os",
- .default_trigger = "heartbeat",
- .gpio = 62,
- },
-};
-
-static struct gpio_led_platform_data ib4220b_leds_data = {
- .num_leds = ARRAY_SIZE(ib4220b_leds),
- .leds = ib4220b_leds,
-};
-
-static struct platform_device ib4220b_led_device = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &ib4220b_leds_data,
- },
-};
-
-static struct gpio_keys_button ib4220b_keys[] = {
- {
- .code = KEY_SETUP,
- .gpio = 61,
- .active_low = 1,
- .desc = "Backup Button",
- .type = EV_KEY,
- },
- {
- .code = KEY_RESTART,
- .gpio = 63,
- .active_low = 1,
- .desc = "Softreset Button",
- .type = EV_KEY,
- },
-};
-
-static struct gpio_keys_platform_data ib4220b_keys_data = {
- .buttons = ib4220b_keys,
- .nbuttons = ARRAY_SIZE(ib4220b_keys),
-};
-
-static struct platform_device ib4220b_key_device = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &ib4220b_keys_data,
- },
-};
-
-static void __init ib4220b_init(void)
-{
- gemini_gpio_init();
- platform_register_uart();
- platform_register_pflash(SZ_16M, NULL, 0);
- platform_device_register(&ib4220b_led_device);
- platform_device_register(&ib4220b_key_device);
- platform_register_rtc();
-}
-
-MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
- .atag_offset = 0x100,
- .map_io = gemini_map_io,
- .init_irq = gemini_init_irq,
- .init_time = gemini_timer_init,
- .init_machine = ib4220b_init,
- .restart = gemini_restart,
-MACHINE_END
diff --git a/arch/arm/mach-gemini/board-rut1xx.c b/arch/arm/mach-gemini/board-rut1xx.c
deleted file mode 100644
index 7a675f88ffd6..000000000000
--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Support for Teltonika RUT1xx
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/platform_device.h>
-#include <linux/leds.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
-#include <linux/sizes.h>
-
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-
-#include "common.h"
-
-static struct gpio_keys_button rut1xx_keys[] = {
- {
- .code = KEY_SETUP,
- .gpio = 60,
- .active_low = 1,
- .desc = "Reset to defaults",
- .type = EV_KEY,
- },
-};
-
-static struct gpio_keys_platform_data rut1xx_keys_data = {
- .buttons = rut1xx_keys,
- .nbuttons = ARRAY_SIZE(rut1xx_keys),
-};
-
-static struct platform_device rut1xx_keys_device = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &rut1xx_keys_data,
- },
-};
-
-static struct gpio_led rut100_leds[] = {
- {
- .name = "Power",
- .default_trigger = "heartbeat",
- .gpio = 17,
- },
- {
- .name = "GSM",
- .default_trigger = "default-on",
- .gpio = 7,
- .active_low = 1,
- },
-};
-
-static struct gpio_led_platform_data rut100_leds_data = {
- .num_leds = ARRAY_SIZE(rut100_leds),
- .leds = rut100_leds,
-};
-
-static struct platform_device rut1xx_leds = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &rut100_leds_data,
- },
-};
-
-static void __init rut1xx_init(void)
-{
- gemini_gpio_init();
- platform_register_uart();
- platform_register_pflash(SZ_8M, NULL, 0);
- platform_device_register(&rut1xx_leds);
- platform_device_register(&rut1xx_keys_device);
- platform_register_rtc();
-}
-
-MACHINE_START(RUT100, "Teltonika RUT100")
- .atag_offset = 0x100,
- .map_io = gemini_map_io,
- .init_irq = gemini_init_irq,
- .init_time = gemini_timer_init,
- .init_machine = rut1xx_init,
- .restart = gemini_restart,
-MACHINE_END
diff --git a/arch/arm/mach-gemini/board-wbd111.c b/arch/arm/mach-gemini/board-wbd111.c
deleted file mode 100644
index 14c56f3f0ec2..000000000000
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Support for Wiliboard WBD-111
- *
- * Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
- *
- * 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/platform_device.h>
-#include <linux/leds.h>
-#include <linux/input.h>
-#include <linux/skbuff.h>
-#include <linux/gpio_keys.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-
-
-#include "common.h"
-
-static struct gpio_keys_button wbd111_keys[] = {
- {
- .code = KEY_SETUP,
- .gpio = 5,
- .active_low = 1,
- .desc = "reset",
- .type = EV_KEY,
- },
-};
-
-static struct gpio_keys_platform_data wbd111_keys_data = {
- .buttons = wbd111_keys,
- .nbuttons = ARRAY_SIZE(wbd111_keys),
-};
-
-static struct platform_device wbd111_keys_device = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &wbd111_keys_data,
- },
-};
-
-static struct gpio_led wbd111_leds[] = {
- {
- .name = "L3red",
- .gpio = 1,
- },
- {
- .name = "L4green",
- .gpio = 2,
- },
- {
- .name = "L4red",
- .gpio = 3,
- },
- {
- .name = "L3green",
- .gpio = 5,
- },
-};
-
-static struct gpio_led_platform_data wbd111_leds_data = {
- .num_leds = ARRAY_SIZE(wbd111_leds),
- .leds = wbd111_leds,
-};
-
-static struct platform_device wbd111_leds_device = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &wbd111_leds_data,
- },
-};
-
-static struct mtd_partition wbd111_partitions[] = {
- {
- .name = "RedBoot",
- .offset = 0,
- .size = 0x020000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "kernel",
- .offset = 0x020000,
- .size = 0x100000,
- } , {
- .name = "rootfs",
- .offset = 0x120000,
- .size = 0x6a0000,
- } , {
- .name = "VCTL",
- .offset = 0x7c0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "cfg",
- .offset = 0x7d0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "FIS",
- .offset = 0x7e0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- }
-};
-#define wbd111_num_partitions ARRAY_SIZE(wbd111_partitions)
-
-static void __init wbd111_init(void)
-{
- gemini_gpio_init();
- platform_register_uart();
- platform_register_pflash(SZ_8M, wbd111_partitions,
- wbd111_num_partitions);
- platform_device_register(&wbd111_leds_device);
- platform_device_register(&wbd111_keys_device);
- platform_register_rtc();
-}
-
-MACHINE_START(WBD111, "Wiliboard WBD-111")
- .atag_offset = 0x100,
- .map_io = gemini_map_io,
- .init_irq = gemini_init_irq,
- .init_time = gemini_timer_init,
- .init_machine = wbd111_init,
- .restart = gemini_restart,
-MACHINE_END
diff --git a/arch/arm/mach-gemini/board-wbd222.c b/arch/arm/mach-gemini/board-wbd222.c
deleted file mode 100644
index 6070282ce243..000000000000
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Support for Wiliboard WBD-222
- *
- * Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
- *
- * 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/platform_device.h>
-#include <linux/leds.h>
-#include <linux/input.h>
-#include <linux/skbuff.h>
-#include <linux/gpio_keys.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-
-
-#include "common.h"
-
-static struct gpio_keys_button wbd222_keys[] = {
- {
- .code = KEY_SETUP,
- .gpio = 5,
- .active_low = 1,
- .desc = "reset",
- .type = EV_KEY,
- },
-};
-
-static struct gpio_keys_platform_data wbd222_keys_data = {
- .buttons = wbd222_keys,
- .nbuttons = ARRAY_SIZE(wbd222_keys),
-};
-
-static struct platform_device wbd222_keys_device = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &wbd222_keys_data,
- },
-};
-
-static struct gpio_led wbd222_leds[] = {
- {
- .name = "L3red",
- .gpio = 1,
- },
- {
- .name = "L4green",
- .gpio = 2,
- },
- {
- .name = "L4red",
- .gpio = 3,
- },
- {
- .name = "L3green",
- .gpio = 5,
- },
-};
-
-static struct gpio_led_platform_data wbd222_leds_data = {
- .num_leds = ARRAY_SIZE(wbd222_leds),
- .leds = wbd222_leds,
-};
-
-static struct platform_device wbd222_leds_device = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &wbd222_leds_data,
- },
-};
-
-static struct mtd_partition wbd222_partitions[] = {
- {
- .name = "RedBoot",
- .offset = 0,
- .size = 0x020000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "kernel",
- .offset = 0x020000,
- .size = 0x100000,
- } , {
- .name = "rootfs",
- .offset = 0x120000,
- .size = 0x6a0000,
- } , {
- .name = "VCTL",
- .offset = 0x7c0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "cfg",
- .offset = 0x7d0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- } , {
- .name = "FIS",
- .offset = 0x7e0000,
- .size = 0x010000,
- .mask_flags = MTD_WRITEABLE,
- }
-};
-#define wbd222_num_partitions ARRAY_SIZE(wbd222_partitions)
-
-static void __init wbd222_init(void)
-{
- gemini_gpio_init();
- platform_register_uart();
- platform_register_pflash(SZ_8M, wbd222_partitions,
- wbd222_num_partitions);
- platform_device_register(&wbd222_leds_device);
- platform_device_register(&wbd222_keys_device);
- platform_register_rtc();
-}
-
-MACHINE_START(WBD222, "Wiliboard WBD-222")
- .atag_offset = 0x100,
- .map_io = gemini_map_io,
- .init_irq = gemini_init_irq,
- .init_time = gemini_timer_init,
- .init_machine = wbd222_init,
- .restart = gemini_restart,
-MACHINE_END
diff --git a/arch/arm/mach-gemini/common.h b/arch/arm/mach-gemini/common.h
deleted file mode 100644
index dd883698ff7e..000000000000
--- a/arch/arm/mach-gemini/common.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Common Gemini architecture functions
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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.
- */
-
-#ifndef __GEMINI_COMMON_H__
-#define __GEMINI_COMMON_H__
-
-#include <linux/reboot.h>
-
-struct mtd_partition;
-
-extern void gemini_map_io(void);
-extern void gemini_init_irq(void);
-extern void gemini_timer_init(void);
-extern void gemini_gpio_init(void);
-extern void platform_register_rtc(void);
-
-/* Common platform devices registration functions */
-extern int platform_register_uart(void);
-extern int platform_register_pflash(unsigned int size,
- struct mtd_partition *parts,
- unsigned int nr_parts);
-
-extern void gemini_restart(enum reboot_mode mode, const char *cmd);
-
-#endif /* __GEMINI_COMMON_H__ */
diff --git a/arch/arm/mach-gemini/devices.c b/arch/arm/mach-gemini/devices.c
deleted file mode 100644
index 5cff29818b73..000000000000
--- a/arch/arm/mach-gemini/devices.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Common devices definition for Gemini
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/serial_8250.h>
-#include <linux/mtd/physmap.h>
-
-#include <mach/irqs.h>
-#include <mach/hardware.h>
-#include <mach/global_reg.h>
-
-static struct plat_serial8250_port serial_platform_data[] = {
- {
- .membase = (void *)IO_ADDRESS(GEMINI_UART_BASE),
- .mapbase = GEMINI_UART_BASE,
- .irq = IRQ_UART,
- .uartclk = UART_CLK,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .type = PORT_16550A,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_FIXED_TYPE,
- },
- {},
-};
-
-static struct platform_device serial_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = serial_platform_data,
- },
-};
-
-int platform_register_uart(void)
-{
- return platform_device_register(&serial_device);
-}
-
-static struct resource flash_resource = {
- .start = GEMINI_FLASH_BASE,
- .flags = IORESOURCE_MEM,
-};
-
-static struct physmap_flash_data pflash_platform_data = {};
-
-static struct platform_device pflash_device = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &pflash_platform_data,
- },
- .resource = &flash_resource,
- .num_resources = 1,
-};
-
-int platform_register_pflash(unsigned int size, struct mtd_partition *parts,
- unsigned int nr_parts)
-{
- unsigned int reg;
-
- reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_STATUS);
-
- if ((reg & FLASH_TYPE_MASK) != FLASH_TYPE_PARALLEL)
- return -ENXIO;
-
- if (reg & FLASH_WIDTH_16BIT)
- pflash_platform_data.width = 2;
- else
- pflash_platform_data.width = 1;
-
- /* enable parallel flash pins and disable others */
- reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
- reg &= ~PFLASH_PADS_DISABLE;
- reg |= SFLASH_PADS_DISABLE | NAND_PADS_DISABLE;
- __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
-
- flash_resource.end = flash_resource.start + size - 1;
-
- pflash_platform_data.parts = parts;
- pflash_platform_data.nr_parts = nr_parts;
-
- return platform_device_register(&pflash_device);
-}
-
-static struct resource gemini_rtc_resources[] = {
- [0] = {
- .start = GEMINI_RTC_BASE,
- .end = GEMINI_RTC_BASE + 0x24,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_RTC,
- .end = IRQ_RTC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device gemini_rtc_device = {
- .name = "rtc-gemini",
- .id = 0,
- .num_resources = ARRAY_SIZE(gemini_rtc_resources),
- .resource = gemini_rtc_resources,
-};
-
-int __init platform_register_rtc(void)
-{
- return platform_device_register(&gemini_rtc_device);
-}
-
diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c
deleted file mode 100644
index 469a76ea0459..000000000000
--- a/arch/arm/mach-gemini/gpio.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Gemini gpiochip and interrupt routines
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * Based on plat-mxc/gpio.c:
- * MXC GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de>
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- *
- * 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/io.h>
-#include <linux/irq.h>
-#include <linux/gpio/driver.h>
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
-
-#define GPIO_BASE(x) IO_ADDRESS(GEMINI_GPIO_BASE(x))
-#define irq_to_gpio(x) ((x) - GPIO_IRQ_BASE)
-
-/* GPIO registers definition */
-#define GPIO_DATA_OUT 0x0
-#define GPIO_DATA_IN 0x4
-#define GPIO_DIR 0x8
-#define GPIO_DATA_SET 0x10
-#define GPIO_DATA_CLR 0x14
-#define GPIO_PULL_EN 0x18
-#define GPIO_PULL_TYPE 0x1C
-#define GPIO_INT_EN 0x20
-#define GPIO_INT_STAT 0x24
-#define GPIO_INT_MASK 0x2C
-#define GPIO_INT_CLR 0x30
-#define GPIO_INT_TYPE 0x34
-#define GPIO_INT_BOTH_EDGE 0x38
-#define GPIO_INT_LEVEL 0x3C
-#define GPIO_DEBOUNCE_EN 0x40
-#define GPIO_DEBOUNCE_PRESCALE 0x44
-
-#define GPIO_PORT_NUM 3
-
-static void _set_gpio_irqenable(void __iomem *base, unsigned int index,
- int enable)
-{
- unsigned int reg;
-
- reg = __raw_readl(base + GPIO_INT_EN);
- reg = (reg & (~(1 << index))) | (!!enable << index);
- __raw_writel(reg, base + GPIO_INT_EN);
-}
-
-static void gpio_ack_irq(struct irq_data *d)
-{
- unsigned int gpio = irq_to_gpio(d->irq);
- void __iomem *base = GPIO_BASE(gpio / 32);
-
- __raw_writel(1 << (gpio % 32), base + GPIO_INT_CLR);
-}
-
-static void gpio_mask_irq(struct irq_data *d)
-{
- unsigned int gpio = irq_to_gpio(d->irq);
- void __iomem *base = GPIO_BASE(gpio / 32);
-
- _set_gpio_irqenable(base, gpio % 32, 0);
-}
-
-static void gpio_unmask_irq(struct irq_data *d)
-{
- unsigned int gpio = irq_to_gpio(d->irq);
- void __iomem *base = GPIO_BASE(gpio / 32);
-
- _set_gpio_irqenable(base, gpio % 32, 1);
-}
-
-static int gpio_set_irq_type(struct irq_data *d, unsigned int type)
-{
- unsigned int gpio = irq_to_gpio(d->irq);
- unsigned int gpio_mask = 1 << (gpio % 32);
- void __iomem *base = GPIO_BASE(gpio / 32);
- unsigned int reg_both, reg_level, reg_type;
-
- reg_type = __raw_readl(base + GPIO_INT_TYPE);
- reg_level = __raw_readl(base + GPIO_INT_LEVEL);
- reg_both = __raw_readl(base + GPIO_INT_BOTH_EDGE);
-
- switch (type) {
- case IRQ_TYPE_EDGE_BOTH:
- reg_type &= ~gpio_mask;
- reg_both |= gpio_mask;
- break;
- case IRQ_TYPE_EDGE_RISING:
- reg_type &= ~gpio_mask;
- reg_both &= ~gpio_mask;
- reg_level &= ~gpio_mask;
- break;
- case IRQ_TYPE_EDGE_FALLING:
- reg_type &= ~gpio_mask;
- reg_both &= ~gpio_mask;
- reg_level |= gpio_mask;
- break;
- case IRQ_TYPE_LEVEL_HIGH:
- reg_type |= gpio_mask;
- reg_level &= ~gpio_mask;
- break;
- case IRQ_TYPE_LEVEL_LOW:
- reg_type |= gpio_mask;
- reg_level |= gpio_mask;
- break;
- default:
- return -EINVAL;
- }
-
- __raw_writel(reg_type, base + GPIO_INT_TYPE);
- __raw_writel(reg_level, base + GPIO_INT_LEVEL);
- __raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE);
-
- gpio_ack_irq(d);
-
- return 0;
-}
-
-static void gpio_irq_handler(struct irq_desc *desc)
-{
- unsigned int port = (unsigned int)irq_desc_get_handler_data(desc);
- unsigned int gpio_irq_no, irq_stat;
-
- irq_stat = __raw_readl(GPIO_BASE(port) + GPIO_INT_STAT);
-
- gpio_irq_no = GPIO_IRQ_BASE + port * 32;
- for (; irq_stat != 0; irq_stat >>= 1, gpio_irq_no++) {
-
- if ((irq_stat & 1) == 0)
- continue;
-
- generic_handle_irq(gpio_irq_no);
- }
-}
-
-static struct irq_chip gpio_irq_chip = {
- .name = "GPIO",
- .irq_ack = gpio_ack_irq,
- .irq_mask = gpio_mask_irq,
- .irq_unmask = gpio_unmask_irq,
- .irq_set_type = gpio_set_irq_type,
-};
-
-static void _set_gpio_direction(struct gpio_chip *chip, unsigned offset,
- int dir)
-{
- void __iomem *base = GPIO_BASE(offset / 32);
- unsigned int reg;
-
- reg = __raw_readl(base + GPIO_DIR);
- if (dir)
- reg |= 1 << (offset % 32);
- else
- reg &= ~(1 << (offset % 32));
- __raw_writel(reg, base + GPIO_DIR);
-}
-
-static void gemini_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-{
- void __iomem *base = GPIO_BASE(offset / 32);
-
- if (value)
- __raw_writel(1 << (offset % 32), base + GPIO_DATA_SET);
- else
- __raw_writel(1 << (offset % 32), base + GPIO_DATA_CLR);
-}
-
-static int gemini_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
- void __iomem *base = GPIO_BASE(offset / 32);
-
- return (__raw_readl(base + GPIO_DATA_IN) >> (offset % 32)) & 1;
-}
-
-static int gemini_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
- _set_gpio_direction(chip, offset, 0);
- return 0;
-}
-
-static int gemini_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
- int value)
-{
- _set_gpio_direction(chip, offset, 1);
- gemini_gpio_set(chip, offset, value);
- return 0;
-}
-
-static struct gpio_chip gemini_gpio_chip = {
- .label = "Gemini",
- .direction_input = gemini_gpio_direction_input,
- .get = gemini_gpio_get,
- .direction_output = gemini_gpio_direction_output,
- .set = gemini_gpio_set,
- .base = 0,
- .ngpio = GPIO_PORT_NUM * 32,
-};
-
-void __init gemini_gpio_init(void)
-{
- int i, j;
-
- for (i = 0; i < GPIO_PORT_NUM; i++) {
- /* disable, unmask and clear all interrupts */
- __raw_writel(0x0, GPIO_BASE(i) + GPIO_INT_EN);
- __raw_writel(0x0, GPIO_BASE(i) + GPIO_INT_MASK);
- __raw_writel(~0x0, GPIO_BASE(i) + GPIO_INT_CLR);
-
- for (j = GPIO_IRQ_BASE + i * 32;
- j < GPIO_IRQ_BASE + (i + 1) * 32; j++) {
- irq_set_chip_and_handler(j, &gpio_irq_chip,
- handle_edge_irq);
- irq_clear_status_flags(j, IRQ_NOREQUEST);
- }
-
- irq_set_chained_handler_and_data(IRQ_GPIO(i), gpio_irq_handler,
- (void *)i);
- }
-
- BUG_ON(gpiochip_add_data(&gemini_gpio_chip, NULL));
-}
diff --git a/arch/arm/mach-gemini/include/mach/global_reg.h b/arch/arm/mach-gemini/include/mach/global_reg.h
deleted file mode 100644
index de7ff7e849fc..000000000000
--- a/arch/arm/mach-gemini/include/mach/global_reg.h
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * This file contains the hardware definitions for Gemini.
- *
- * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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.
- */
-#ifndef __MACH_GLOBAL_REG_H
-#define __MACH_GLOBAL_REG_H
-
-/* Global Word ID Register*/
-#define GLOBAL_ID 0x00
-
-#define CHIP_ID(reg) ((reg) >> 8)
-#define CHIP_REVISION(reg) ((reg) & 0xFF)
-
-/* Global Status Register */
-#define GLOBAL_STATUS 0x04
-
-#define CPU_BIG_ENDIAN (1 << 31)
-#define PLL_OSC_30M (1 << 30) /* else 60MHz */
-
-#define OPERATION_MODE_MASK (0xF << 26)
-#define OPM_IDDQ (0xF << 26)
-#define OPM_NAND (0xE << 26)
-#define OPM_RING (0xD << 26)
-#define OPM_DIRECT_BOOT (0xC << 26)
-#define OPM_USB1_PHY_TEST (0xB << 26)
-#define OPM_USB0_PHY_TEST (0xA << 26)
-#define OPM_SATA1_PHY_TEST (0x9 << 26)
-#define OPM_SATA0_PHY_TEST (0x8 << 26)
-#define OPM_ICE_ARM (0x7 << 26)
-#define OPM_ICE_FARADAY (0x6 << 26)
-#define OPM_PLL_BYPASS (0x5 << 26)
-#define OPM_DEBUG (0x4 << 26)
-#define OPM_BURN_IN (0x3 << 26)
-#define OPM_MBIST (0x2 << 26)
-#define OPM_SCAN (0x1 << 26)
-#define OPM_REAL (0x0 << 26)
-
-#define FLASH_TYPE_MASK (0x3 << 24)
-#define FLASH_TYPE_NAND_2K (0x3 << 24)
-#define FLASH_TYPE_NAND_512 (0x2 << 24)
-#define FLASH_TYPE_PARALLEL (0x1 << 24)
-#define FLASH_TYPE_SERIAL (0x0 << 24)
-/* if parallel */
-#define FLASH_WIDTH_16BIT (1 << 23) /* else 8 bit */
-/* if serial */
-#define FLASH_ATMEL (1 << 23) /* else STM */
-
-#define FLASH_SIZE_MASK (0x3 << 21)
-#define NAND_256M (0x3 << 21) /* and more */
-#define NAND_128M (0x2 << 21)
-#define NAND_64M (0x1 << 21)
-#define NAND_32M (0x0 << 21)
-#define ATMEL_16M (0x3 << 21) /* and more */
-#define ATMEL_8M (0x2 << 21)
-#define ATMEL_4M_2M (0x1 << 21)
-#define ATMEL_1M (0x0 << 21) /* and less */
-#define STM_32M (1 << 22) /* and more */
-#define STM_16M (0 << 22) /* and less */
-
-#define FLASH_PARALLEL_HIGH_PIN_CNT (1 << 20) /* else low pin cnt */
-
-#define CPU_AHB_RATIO_MASK (0x3 << 18)
-#define CPU_AHB_1_1 (0x0 << 18)
-#define CPU_AHB_3_2 (0x1 << 18)
-#define CPU_AHB_24_13 (0x2 << 18)
-#define CPU_AHB_2_1 (0x3 << 18)
-
-#define REG_TO_AHB_SPEED(reg) ((((reg) >> 15) & 0x7) * 10 + 130)
-#define AHB_SPEED_TO_REG(x) ((((x - 130)) / 10) << 15)
-
-/* it is posible to override some settings, use >> OVERRIDE_xxxx_SHIFT */
-#define OVERRIDE_FLASH_TYPE_SHIFT 16
-#define OVERRIDE_FLASH_WIDTH_SHIFT 16
-#define OVERRIDE_FLASH_SIZE_SHIFT 16
-#define OVERRIDE_CPU_AHB_RATIO_SHIFT 15
-#define OVERRIDE_AHB_SPEED_SHIFT 15
-
-/* Global PLL Control Register */
-#define GLOBAL_PLL_CTRL 0x08
-
-#define PLL_BYPASS (1 << 31)
-#define PLL_POWER_DOWN (1 << 8)
-#define PLL_CONTROL_Q (0x1F << 0)
-
-/* Global Soft Reset Control Register */
-#define GLOBAL_RESET 0x0C
-
-#define RESET_GLOBAL (1 << 31)
-#define RESET_CPU1 (1 << 30)
-#define RESET_TVE (1 << 28)
-#define RESET_SATA1 (1 << 27)
-#define RESET_SATA0 (1 << 26)
-#define RESET_CIR (1 << 25)
-#define RESET_EXT_DEV (1 << 24)
-#define RESET_WD (1 << 23)
-#define RESET_GPIO2 (1 << 22)
-#define RESET_GPIO1 (1 << 21)
-#define RESET_GPIO0 (1 << 20)
-#define RESET_SSP (1 << 19)
-#define RESET_UART (1 << 18)
-#define RESET_TIMER (1 << 17)
-#define RESET_RTC (1 << 16)
-#define RESET_INT1 (1 << 15)
-#define RESET_INT0 (1 << 14)
-#define RESET_LCD (1 << 13)
-#define RESET_LPC (1 << 12)
-#define RESET_APB (1 << 11)
-#define RESET_DMA (1 << 10)
-#define RESET_USB1 (1 << 9)
-#define RESET_USB0 (1 << 8)
-#define RESET_PCI (1 << 7)
-#define RESET_GMAC1 (1 << 6)
-#define RESET_GMAC0 (1 << 5)
-#define RESET_SECURITY (1 << 4)
-#define RESET_RAID (1 << 3)
-#define RESET_IDE (1 << 2)
-#define RESET_FLASH (1 << 1)
-#define RESET_DRAM (1 << 0)
-
-/* Global IO Pad Driving Capability Control Register */
-#define GLOBAL_IO_DRIVING_CTRL 0x10
-
-#define DRIVING_CURRENT_MASK 0x3
-
-/* here 00-4mA, 01-8mA, 10-12mA, 11-16mA */
-#define GPIO1_PADS_31_28_SHIFT 28
-#define GPIO0_PADS_31_16_SHIFT 26
-#define GPIO0_PADS_15_0_SHIFT 24
-#define PCI_AND_EXT_RESET_PADS_SHIFT 22
-#define IDE_PADS_SHIFT 20
-#define GMAC1_PADS_SHIFT 18
-#define GMAC0_PADS_SHIFT 16
-/* DRAM is not in mA and poorly documented */
-#define DRAM_CLOCK_PADS_SHIFT 8
-#define DRAM_DATA_PADS_SHIFT 4
-#define DRAM_CONTROL_PADS_SHIFT 0
-
-/* Global IO Pad Slew Rate Control Register */
-#define GLOBAL_IO_SLEW_RATE_CTRL 0x14
-
-#define GPIO1_PADS_31_28_SLOW (1 << 10)
-#define GPIO0_PADS_31_16_SLOW (1 << 9)
-#define GPIO0_PADS_15_0_SLOW (1 << 8)
-#define PCI_PADS_SLOW (1 << 7)
-#define IDE_PADS_SLOW (1 << 6)
-#define GMAC1_PADS_SLOW (1 << 5)
-#define GMAC0_PADS_SLOW (1 << 4)
-#define DRAM_CLOCK_PADS_SLOW (1 << 1)
-#define DRAM_IO_PADS_SLOW (1 << 0)
-
-/*
- * General skew control defines
- * 16 steps, each step is around 0.2ns
- */
-#define SKEW_MASK 0xF
-
-/* Global IDE PAD Skew Control Register */
-#define GLOBAL_IDE_SKEW_CTRL 0x18
-
-#define IDE1_HOST_STROBE_DELAY_SHIFT 28
-#define IDE1_DEVICE_STROBE_DELAY_SHIFT 24
-#define IDE1_OUTPUT_IO_SKEW_SHIFT 20
-#define IDE1_INPUT_IO_SKEW_SHIFT 16
-#define IDE0_HOST_STROBE_DELAY_SHIFT 12
-#define IDE0_DEVICE_STROBE_DELAY_SHIFT 8
-#define IDE0_OUTPUT_IO_SKEW_SHIFT 4
-#define IDE0_INPUT_IO_SKEW_SHIFT 0
-
-/* Global GMAC Control Pad Skew Control Register */
-#define GLOBAL_GMAC_CTRL_SKEW_CTRL 0x1C
-
-#define GMAC1_TXC_SKEW_SHIFT 28
-#define GMAC1_TXEN_SKEW_SHIFT 24
-#define GMAC1_RXC_SKEW_SHIFT 20
-#define GMAC1_RXDV_SKEW_SHIFT 16
-#define GMAC0_TXC_SKEW_SHIFT 12
-#define GMAC0_TXEN_SKEW_SHIFT 8
-#define GMAC0_RXC_SKEW_SHIFT 4
-#define GMAC0_RXDV_SKEW_SHIFT 0
-
-/* Global GMAC0 Data PAD Skew Control Register */
-#define GLOBAL_GMAC0_DATA_SKEW_CTRL 0x20
-/* Global GMAC1 Data PAD Skew Control Register */
-#define GLOBAL_GMAC1_DATA_SKEW_CTRL 0x24
-
-#define GMAC_TXD_SKEW_SHIFT(x) (((x) * 4) + 16)
-#define GMAC_RXD_SKEW_SHIFT(x) ((x) * 4)
-
-/* CPU has two AHB busses. */
-
-/* Global Arbitration0 Control Register */
-#define GLOBAL_ARBITRATION0_CTRL 0x28
-
-#define BOOT_CONTROLLER_HIGH_PRIO (1 << 3)
-#define DMA_BUS1_HIGH_PRIO (1 << 2)
-#define CPU0_HIGH_PRIO (1 << 0)
-
-/* Global Arbitration1 Control Register */
-#define GLOBAL_ARBITRATION1_CTRL 0x2C
-
-#define TVE_HIGH_PRIO (1 << 9)
-#define PCI_HIGH_PRIO (1 << 8)
-#define USB1_HIGH_PRIO (1 << 7)
-#define USB0_HIGH_PRIO (1 << 6)
-#define GMAC1_HIGH_PRIO (1 << 5)
-#define GMAC0_HIGH_PRIO (1 << 4)
-#define SECURITY_HIGH_PRIO (1 << 3)
-#define RAID_HIGH_PRIO (1 << 2)
-#define IDE_HIGH_PRIO (1 << 1)
-#define DMA_BUS2_HIGH_PRIO (1 << 0)
-
-/* Common bits for both arbitration registers */
-#define BURST_LENGTH_SHIFT 16
-#define BURST_LENGTH_MASK (0x3F << 16)
-
-/* Miscellaneous Control Register */
-#define GLOBAL_MISC_CTRL 0x30
-
-#define MEMORY_SPACE_SWAP (1 << 31)
-#define USB1_PLUG_MINIB (1 << 30) /* else plug is mini-A */
-#define USB0_PLUG_MINIB (1 << 29)
-#define GMAC_GMII (1 << 28)
-#define GMAC_1_ENABLE (1 << 27)
-/* TODO: define ATA/SATA bits */
-#define USB1_VBUS_ON (1 << 23)
-#define USB0_VBUS_ON (1 << 22)
-#define APB_CLKOUT_ENABLE (1 << 21)
-#define TVC_CLKOUT_ENABLE (1 << 20)
-#define EXT_CLKIN_ENABLE (1 << 19)
-#define PCI_66MHZ (1 << 18) /* else 33 MHz */
-#define PCI_CLKOUT_ENABLE (1 << 17)
-#define LPC_CLKOUT_ENABLE (1 << 16)
-#define USB1_WAKEUP_ON (1 << 15)
-#define USB0_WAKEUP_ON (1 << 14)
-/* TODO: define PCI idle detect bits */
-#define TVC_PADS_ENABLE (1 << 9)
-#define SSP_PADS_ENABLE (1 << 8)
-#define LCD_PADS_ENABLE (1 << 7)
-#define LPC_PADS_ENABLE (1 << 6)
-#define PCI_PADS_ENABLE (1 << 5)
-#define IDE_PADS_ENABLE (1 << 4)
-#define DRAM_PADS_POWER_DOWN (1 << 3)
-#define NAND_PADS_DISABLE (1 << 2)
-#define PFLASH_PADS_DISABLE (1 << 1)
-#define SFLASH_PADS_DISABLE (1 << 0)
-
-/* Global Clock Control Register */
-#define GLOBAL_CLOCK_CTRL 0x34
-
-#define POWER_STATE_G0 (1 << 31)
-#define POWER_STATE_S1 (1 << 30) /* else it is S3/S4 state */
-#define SECURITY_APB_AHB (1 << 29)
-/* else Security APB clk will be 0.75xAHB */
-/* TODO: TVC clock divider */
-#define PCI_CLKRUN_ENABLE (1 << 16)
-#define BOOT_CLK_DISABLE (1 << 13)
-#define TVC_CLK_DISABLE (1 << 12)
-#define FLASH_CLK_DISABLE (1 << 11)
-#define DDR_CLK_DISABLE (1 << 10)
-#define PCI_CLK_DISABLE (1 << 9)
-#define IDE_CLK_DISABLE (1 << 8)
-#define USB1_CLK_DISABLE (1 << 7)
-#define USB0_CLK_DISABLE (1 << 6)
-#define SATA1_CLK_DISABLE (1 << 5)
-#define SATA0_CLK_DISABLE (1 << 4)
-#define GMAC1_CLK_DISABLE (1 << 3)
-#define GMAC0_CLK_DISABLE (1 << 2)
-#define SECURITY_CLK_DISABLE (1 << 1)
-
-/* TODO: other registers definitions if needed */
-
-#endif /* __MACH_GLOBAL_REG_H */
diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c
deleted file mode 100644
index 37d52e372456..000000000000
--- a/arch/arm/mach-gemini/irq.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Interrupt routines for Gemini
- *
- * Copyright (C) 2001-2006 Storlink, Corp.
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/init.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/stddef.h>
-#include <linux/list.h>
-#include <linux/sched.h>
-#include <linux/cpu.h>
-
-#include <asm/exception.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-#include <asm/system_misc.h>
-#include <mach/hardware.h>
-
-#define IRQ_SOURCE(base_addr) (base_addr + 0x00)
-#define IRQ_MASK(base_addr) (base_addr + 0x04)
-#define IRQ_CLEAR(base_addr) (base_addr + 0x08)
-#define IRQ_TMODE(base_addr) (base_addr + 0x0C)
-#define IRQ_TLEVEL(base_addr) (base_addr + 0x10)
-#define IRQ_STATUS(base_addr) (base_addr + 0x14)
-#define FIQ_SOURCE(base_addr) (base_addr + 0x20)
-#define FIQ_MASK(base_addr) (base_addr + 0x24)
-#define FIQ_CLEAR(base_addr) (base_addr + 0x28)
-#define FIQ_TMODE(base_addr) (base_addr + 0x2C)
-#define FIQ_LEVEL(base_addr) (base_addr + 0x30)
-#define FIQ_STATUS(base_addr) (base_addr + 0x34)
-
-static void gemini_ack_irq(struct irq_data *d)
-{
- __raw_writel(1 << d->irq, IRQ_CLEAR(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static void gemini_mask_irq(struct irq_data *d)
-{
- unsigned int mask;
-
- mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- mask &= ~(1 << d->irq);
- __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static void gemini_unmask_irq(struct irq_data *d)
-{
- unsigned int mask;
-
- mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- mask |= (1 << d->irq);
- __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-}
-
-static struct irq_chip gemini_irq_chip = {
- .name = "INTC",
- .irq_ack = gemini_ack_irq,
- .irq_mask = gemini_mask_irq,
- .irq_unmask = gemini_unmask_irq,
-};
-
-
-asmlinkage void __exception_irq_entry gemini_handle_irq(struct pt_regs *regs)
-{
- int irq;
- unsigned status;
-
- while ((status = __raw_readl(IRQ_STATUS(IO_ADDRESS(GEMINI_INTERRUPT_BASE))))) {
- irq = ffs(status) - 1;
- handle_domain_irq(NULL, irq, regs);
- }
-}
-
-static struct resource irq_resource = {
- .name = "irq_handler",
- .start = GEMINI_INTERRUPT_BASE,
- .end = FIQ_STATUS(GEMINI_INTERRUPT_BASE) + 4,
-};
-
-void __init gemini_init_irq(void)
-{
- unsigned int i, mode = 0, level = 0;
-
- /*
- * Disable the idle handler by default since it is buggy
- * For more info see arch/arm/mach-gemini/idle.c
- */
- cpu_idle_poll_ctrl(true);
-
- request_resource(&iomem_resource, &irq_resource);
-
- for (i = 0; i < NR_IRQS; i++) {
- irq_set_chip(i, &gemini_irq_chip);
- if((i >= IRQ_TIMER1 && i <= IRQ_TIMER3) || (i >= IRQ_SERIRQ0 && i <= IRQ_SERIRQ1)) {
- irq_set_handler(i, handle_edge_irq);
- mode |= 1 << i;
- level |= 1 << i;
- } else {
- irq_set_handler(i, handle_level_irq);
- }
- irq_clear_status_flags(i, IRQ_NOREQUEST | IRQ_NOPROBE);
- }
-
- /* Disable all interrupts */
- __raw_writel(0, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- __raw_writel(0, FIQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-
- /* Set interrupt mode */
- __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
- __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE)));
-
- set_handle_irq(gemini_handle_irq);
-}
diff --git a/arch/arm/mach-gemini/mm.c b/arch/arm/mach-gemini/mm.c
deleted file mode 100644
index 2c2cd284bb6a..000000000000
--- a/arch/arm/mach-gemini/mm.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Static mappings for Gemini
- *
- * Copyright (C) 2001-2006 Storlink, Corp.
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/mm.h>
-#include <linux/init.h>
-
-#include <asm/mach/map.h>
-
-#include <mach/hardware.h>
-
-/* Page table mapping for I/O region */
-static struct map_desc gemini_io_desc[] __initdata = {
- {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_GLOBAL_BASE),
- .pfn =__phys_to_pfn(GEMINI_GLOBAL_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_UART_BASE),
- .pfn = __phys_to_pfn(GEMINI_UART_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_TIMER_BASE),
- .pfn = __phys_to_pfn(GEMINI_TIMER_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_INTERRUPT_BASE),
- .pfn = __phys_to_pfn(GEMINI_INTERRUPT_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_POWER_CTRL_BASE),
- .pfn = __phys_to_pfn(GEMINI_POWER_CTRL_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(0)),
- .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(0)),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(1)),
- .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(1)),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(2)),
- .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(2)),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
- .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_DRAM_CTRL_BASE),
- .pfn = __phys_to_pfn(GEMINI_DRAM_CTRL_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)IO_ADDRESS(GEMINI_GENERAL_DMA_BASE),
- .pfn = __phys_to_pfn(GEMINI_GENERAL_DMA_BASE),
- .length = SZ_512K,
- .type = MT_DEVICE,
- },
-};
-
-void __init gemini_map_io(void)
-{
- iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc));
-}
diff --git a/arch/arm/mach-gemini/reset.c b/arch/arm/mach-gemini/reset.c
deleted file mode 100644
index 21a6d6d4f9c4..000000000000
--- a/arch/arm/mach-gemini/reset.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2001-2006 Storlink, Corp.
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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.
- */
-#ifndef __MACH_SYSTEM_H
-#define __MACH_SYSTEM_H
-
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <mach/global_reg.h>
-
-#include "common.h"
-
-void gemini_restart(enum reboot_mode mode, const char *cmd)
-{
- __raw_writel(RESET_GLOBAL | RESET_CPU1,
- IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
-}
-
-#endif /* __MACH_SYSTEM_H */
diff --git a/arch/arm/mach-gemini/time.c b/arch/arm/mach-gemini/time.c
deleted file mode 100644
index f5f18df5aacd..000000000000
--- a/arch/arm/mach-gemini/time.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * Copyright (C) 2001-2006 Storlink, Corp.
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <mach/global_reg.h>
-#include <asm/mach/time.h>
-#include <linux/clockchips.h>
-#include <linux/clocksource.h>
-#include <linux/sched_clock.h>
-
-/*
- * Register definitions for the timers
- */
-
-#define TIMER1_BASE GEMINI_TIMER_BASE
-#define TIMER2_BASE (GEMINI_TIMER_BASE + 0x10)
-#define TIMER3_BASE (GEMINI_TIMER_BASE + 0x20)
-
-#define TIMER_COUNT(BASE) (IO_ADDRESS(BASE) + 0x00)
-#define TIMER_LOAD(BASE) (IO_ADDRESS(BASE) + 0x04)
-#define TIMER_MATCH1(BASE) (IO_ADDRESS(BASE) + 0x08)
-#define TIMER_MATCH2(BASE) (IO_ADDRESS(BASE) + 0x0C)
-#define TIMER_CR (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x30)
-#define TIMER_INTR_STATE (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x34)
-#define TIMER_INTR_MASK (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x38)
-
-#define TIMER_1_CR_ENABLE (1 << 0)
-#define TIMER_1_CR_CLOCK (1 << 1)
-#define TIMER_1_CR_INT (1 << 2)
-#define TIMER_2_CR_ENABLE (1 << 3)
-#define TIMER_2_CR_CLOCK (1 << 4)
-#define TIMER_2_CR_INT (1 << 5)
-#define TIMER_3_CR_ENABLE (1 << 6)
-#define TIMER_3_CR_CLOCK (1 << 7)
-#define TIMER_3_CR_INT (1 << 8)
-#define TIMER_1_CR_UPDOWN (1 << 9)
-#define TIMER_2_CR_UPDOWN (1 << 10)
-#define TIMER_3_CR_UPDOWN (1 << 11)
-#define TIMER_DEFAULT_FLAGS (TIMER_1_CR_UPDOWN | \
- TIMER_3_CR_ENABLE | \
- TIMER_3_CR_UPDOWN)
-
-#define TIMER_1_INT_MATCH1 (1 << 0)
-#define TIMER_1_INT_MATCH2 (1 << 1)
-#define TIMER_1_INT_OVERFLOW (1 << 2)
-#define TIMER_2_INT_MATCH1 (1 << 3)
-#define TIMER_2_INT_MATCH2 (1 << 4)
-#define TIMER_2_INT_OVERFLOW (1 << 5)
-#define TIMER_3_INT_MATCH1 (1 << 6)
-#define TIMER_3_INT_MATCH2 (1 << 7)
-#define TIMER_3_INT_OVERFLOW (1 << 8)
-#define TIMER_INT_ALL_MASK 0x1ff
-
-
-static unsigned int tick_rate;
-
-static u64 notrace gemini_read_sched_clock(void)
-{
- return readl(TIMER_COUNT(TIMER3_BASE));
-}
-
-static int gemini_timer_set_next_event(unsigned long cycles,
- struct clock_event_device *evt)
-{
- u32 cr;
-
- /* Setup the match register */
- cr = readl(TIMER_COUNT(TIMER1_BASE));
- writel(cr + cycles, TIMER_MATCH1(TIMER1_BASE));
- if (readl(TIMER_COUNT(TIMER1_BASE)) - cr > cycles)
- return -ETIME;
-
- return 0;
-}
-
-static int gemini_timer_shutdown(struct clock_event_device *evt)
-{
- u32 cr;
-
- /*
- * Disable also for oneshot: the set_next() call will arm the timer
- * instead.
- */
- /* Stop timer and interrupt. */
- cr = readl(TIMER_CR);
- cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT);
- writel(cr, TIMER_CR);
-
- /* Setup counter start from 0 */
- writel(0, TIMER_COUNT(TIMER1_BASE));
- writel(0, TIMER_LOAD(TIMER1_BASE));
-
- /* enable interrupt */
- cr = readl(TIMER_INTR_MASK);
- cr &= ~(TIMER_1_INT_OVERFLOW | TIMER_1_INT_MATCH2);
- cr |= TIMER_1_INT_MATCH1;
- writel(cr, TIMER_INTR_MASK);
-
- /* start the timer */
- cr = readl(TIMER_CR);
- cr |= TIMER_1_CR_ENABLE;
- writel(cr, TIMER_CR);
-
- return 0;
-}
-
-static int gemini_timer_set_periodic(struct clock_event_device *evt)
-{
- u32 period = DIV_ROUND_CLOSEST(tick_rate, HZ);
- u32 cr;
-
- /* Stop timer and interrupt */
- cr = readl(TIMER_CR);
- cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT);
- writel(cr, TIMER_CR);
-
- /* Setup timer to fire at 1/HT intervals. */
- cr = 0xffffffff - (period - 1);
- writel(cr, TIMER_COUNT(TIMER1_BASE));
- writel(cr, TIMER_LOAD(TIMER1_BASE));
-
- /* enable interrupt on overflow */
- cr = readl(TIMER_INTR_MASK);
- cr &= ~(TIMER_1_INT_MATCH1 | TIMER_1_INT_MATCH2);
- cr |= TIMER_1_INT_OVERFLOW;
- writel(cr, TIMER_INTR_MASK);
-
- /* Start the timer */
- cr = readl(TIMER_CR);
- cr |= TIMER_1_CR_ENABLE;
- cr |= TIMER_1_CR_INT;
- writel(cr, TIMER_CR);
-
- return 0;
-}
-
-/* Use TIMER1 as clock event */
-static struct clock_event_device gemini_clockevent = {
- .name = "TIMER1",
- /* Reasonably fast and accurate clock event */
- .rating = 300,
- .shift = 32,
- .features = CLOCK_EVT_FEAT_PERIODIC |
- CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = gemini_timer_set_next_event,
- .set_state_shutdown = gemini_timer_shutdown,
- .set_state_periodic = gemini_timer_set_periodic,
- .set_state_oneshot = gemini_timer_shutdown,
- .tick_resume = gemini_timer_shutdown,
-};
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t gemini_timer_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *evt = &gemini_clockevent;
-
- evt->event_handler(evt);
- return IRQ_HANDLED;
-}
-
-static struct irqaction gemini_timer_irq = {
- .name = "Gemini Timer Tick",
- .flags = IRQF_TIMER,
- .handler = gemini_timer_interrupt,
-};
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
-void __init gemini_timer_init(void)
-{
- u32 reg_v;
-
- reg_v = readl(IO_ADDRESS(GEMINI_GLOBAL_BASE + GLOBAL_STATUS));
- tick_rate = REG_TO_AHB_SPEED(reg_v) * 1000000;
-
- printk(KERN_INFO "Bus: %dMHz", tick_rate / 1000000);
-
- tick_rate /= 6; /* APB bus run AHB*(1/6) */
-
- switch(reg_v & CPU_AHB_RATIO_MASK) {
- case CPU_AHB_1_1:
- printk(KERN_CONT "(1/1)\n");
- break;
- case CPU_AHB_3_2:
- printk(KERN_CONT "(3/2)\n");
- break;
- case CPU_AHB_24_13:
- printk(KERN_CONT "(24/13)\n");
- break;
- case CPU_AHB_2_1:
- printk(KERN_CONT "(2/1)\n");
- break;
- }
-
- /*
- * Reset the interrupt mask and status
- */
- writel(TIMER_INT_ALL_MASK, TIMER_INTR_MASK);
- writel(0, TIMER_INTR_STATE);
- writel(TIMER_DEFAULT_FLAGS, TIMER_CR);
-
- /*
- * Setup free-running clocksource timer (interrupts
- * disabled.)
- */
- writel(0, TIMER_COUNT(TIMER3_BASE));
- writel(0, TIMER_LOAD(TIMER3_BASE));
- writel(0, TIMER_MATCH1(TIMER3_BASE));
- writel(0, TIMER_MATCH2(TIMER3_BASE));
- clocksource_mmio_init(TIMER_COUNT(TIMER3_BASE),
- "gemini_clocksource", tick_rate,
- 300, 32, clocksource_mmio_readl_up);
- sched_clock_register(gemini_read_sched_clock, 32, tick_rate);
-
- /*
- * Setup clockevent timer (interrupt-driven.)
- */
- writel(0, TIMER_COUNT(TIMER1_BASE));
- writel(0, TIMER_LOAD(TIMER1_BASE));
- writel(0, TIMER_MATCH1(TIMER1_BASE));
- writel(0, TIMER_MATCH2(TIMER1_BASE));
- setup_irq(IRQ_TIMER1, &gemini_timer_irq);
- gemini_clockevent.cpumask = cpumask_of(0);
- clockevents_config_and_register(&gemini_clockevent, tick_rate,
- 1, 0xffffffff);
-
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-01 09:20:34 +0300