diff options
Diffstat (limited to 'arch/arm/mach-iop32x')
| -rw-r--r-- | arch/arm/mach-iop32x/Makefile.boot | 2 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/em7210.c | 48 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/glantank.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/gpio-iop32x.h | 10 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/debug-macro.S | 21 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/entry-macro.S | 3 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/gpio.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/hardware.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/io.h | 27 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/iop32x.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/memory.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/system.h | 34 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/timex.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/uncompress.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/vmalloc.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/iq31244.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/iq80321.c | 16 | ||||
| -rw-r--r-- | arch/arm/mach-iop32x/n2100.c | 65 |
18 files changed, 122 insertions, 183 deletions
diff --git a/arch/arm/mach-iop32x/Makefile.boot b/arch/arm/mach-iop32x/Makefile.boot index 47000dccd61..0a833b11e38 100644 --- a/arch/arm/mach-iop32x/Makefile.boot +++ b/arch/arm/mach-iop32x/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0xa0008000 + zreladdr-y += 0xa0008000 params_phys-y := 0xa0000100 initrd_phys-y := 0xa0800000 diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c index 779f924af30..77e1ff05730 100644 --- a/arch/arm/mach-iop32x/em7210.c +++ b/arch/arm/mach-iop32x/em7210.c @@ -23,6 +23,7 @@ #include <linux/mtd/physmap.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <linux/io.h> #include <linux/irq.h> @@ -32,6 +33,7 @@ #include <asm/mach/time.h> #include <asm/mach-types.h> #include <mach/time.h> +#include "gpio-iop32x.h" static void __init em7210_timer_init(void) { @@ -40,10 +42,6 @@ static void __init em7210_timer_init(void) iop_init_time(200000000); } -static struct sys_timer em7210_timer = { - .init = em7210_timer_init, -}; - /* * EM7210 RTC */ @@ -81,7 +79,7 @@ void __init em7210_map_io(void) #define INTD IRQ_IOP32X_XINT3 static int __init -em7210_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +em7210_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { static int pci_irq_table[][4] = { /* @@ -103,11 +101,10 @@ em7210_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci em7210_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = em7210_pci_map_irq, }; @@ -180,14 +177,39 @@ static struct platform_device em7210_serial_device = { .resource = &em7210_uart_resource, }; +#define EM7210_HARDWARE_POWER 0 + void em7210_power_off(void) { - *IOP3XX_GPOE &= 0xfe; - *IOP3XX_GPOD |= 0x01; + int ret; + + ret = gpio_direction_output(EM7210_HARDWARE_POWER, 1); + if (ret) + pr_crit("could not drive power off GPIO high\n"); +} + +static int __init em7210_request_gpios(void) +{ + int ret; + + if (!machine_is_em7210()) + return 0; + + ret = gpio_request(EM7210_HARDWARE_POWER, "power"); + if (ret) { + pr_err("could not request power off GPIO\n"); + return 0; + } + + pm_power_off = em7210_power_off; + + return 0; } +device_initcall(em7210_request_gpios); static void __init em7210_init_machine(void) { + register_iop32x_gpio(); platform_device_register(&em7210_serial_device); platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); @@ -197,15 +219,13 @@ static void __init em7210_init_machine(void) i2c_register_board_info(0, em7210_i2c_devices, ARRAY_SIZE(em7210_i2c_devices)); - - - pm_power_off = em7210_power_off; } MACHINE_START(EM7210, "Lanner EM7210") - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = em7210_map_io, .init_irq = iop32x_init_irq, - .timer = &em7210_timer, + .init_time = em7210_timer_init, .init_machine = em7210_init_machine, + .restart = iop3xx_restart, MACHINE_END diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c index c6b6f9c5650..547b2342d61 100644 --- a/arch/arm/mach-iop32x/glantank.c +++ b/arch/arm/mach-iop32x/glantank.c @@ -34,6 +34,7 @@ #include <asm/mach-types.h> #include <asm/page.h> #include <mach/time.h> +#include "gpio-iop32x.h" /* * GLAN Tank timer tick configuration. @@ -44,10 +45,6 @@ static void __init glantank_timer_init(void) iop_init_time(200000000); } -static struct sys_timer glantank_timer = { - .init = glantank_timer_init, -}; - /* * GLAN Tank I/O. @@ -77,7 +74,7 @@ void __init glantank_map_io(void) #define INTD IRQ_IOP32X_XINT3 static int __init -glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { static int pci_irq_table[][4] = { /* @@ -96,11 +93,10 @@ glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci glantank_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = glantank_pci_map_irq, }; @@ -184,7 +180,7 @@ static struct i2c_board_info __initdata glantank_i2c_devices[] = { static void glantank_power_off(void) { - __raw_writeb(0x01, 0xfe8d0004); + __raw_writeb(0x01, IOMEM(0xfe8d0004)); while (1) ; @@ -192,6 +188,7 @@ static void glantank_power_off(void) static void __init glantank_init_machine(void) { + register_iop32x_gpio(); platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); platform_device_register(&glantank_flash_device); @@ -207,9 +204,10 @@ static void __init glantank_init_machine(void) MACHINE_START(GLANTANK, "GLAN Tank") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = glantank_map_io, .init_irq = iop32x_init_irq, - .timer = &glantank_timer, + .init_time = glantank_timer_init, .init_machine = glantank_init_machine, + .restart = iop3xx_restart, MACHINE_END diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h new file mode 100644 index 00000000000..3c7309c0202 --- /dev/null +++ b/arch/arm/mach-iop32x/gpio-iop32x.h @@ -0,0 +1,10 @@ +static struct resource iop32x_gpio_res[] = { + DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10), +}; + +static inline void register_iop32x_gpio(void) +{ + platform_device_register_simple("gpio-iop", 0, + iop32x_gpio_res, + ARRAY_SIZE(iop32x_gpio_res)); +} diff --git a/arch/arm/mach-iop32x/include/mach/debug-macro.S b/arch/arm/mach-iop32x/include/mach/debug-macro.S deleted file mode 100644 index ff9e76c09f3..00000000000 --- a/arch/arm/mach-iop32x/include/mach/debug-macro.S +++ /dev/null @@ -1,21 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 1994-1999 Russell King - * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks - * - * 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. - */ - - .macro addruart, rp, rv - mov \rp, #0xfe000000 @ physical as well as virtual - orr \rp, \rp, #0x00800000 @ location of the UART - mov \rv, \rp - .endm - -#define UART_SHIFT 0 -#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-iop32x/include/mach/entry-macro.S b/arch/arm/mach-iop32x/include/mach/entry-macro.S index b02fb56bafc..ea13ae02d9b 100644 --- a/arch/arm/mach-iop32x/include/mach/entry-macro.S +++ b/arch/arm/mach-iop32x/include/mach/entry-macro.S @@ -9,9 +9,6 @@ */ #include <mach/iop32x.h> - .macro disable_fiq - .endm - .macro get_irqnr_preamble, base, tmp mrc p15, 0, \tmp, c15, c1, 0 orr \tmp, \tmp, #(1 << 6) diff --git a/arch/arm/mach-iop32x/include/mach/gpio.h b/arch/arm/mach-iop32x/include/mach/gpio.h deleted file mode 100644 index 708f4ec9db1..00000000000 --- a/arch/arm/mach-iop32x/include/mach/gpio.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_ARCH_IOP32X_GPIO_H -#define __ASM_ARCH_IOP32X_GPIO_H - -#include <asm/hardware/iop3xx-gpio.h> - -#endif diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h index d559c4e6095..48cb1b20ba9 100644 --- a/arch/arm/mach-iop32x/include/mach/hardware.h +++ b/arch/arm/mach-iop32x/include/mach/hardware.h @@ -18,9 +18,6 @@ * but when we read them, we convert them to virtual addresses. See * arch/arm/plat-iop/pci.c. */ -#define pcibios_assign_all_busses() 1 -#define PCIBIOS_MIN_IO 0x00000000 -#define PCIBIOS_MIN_MEM 0x00000000 #ifndef __ASSEMBLY__ void iop32x_init_irq(void); diff --git a/arch/arm/mach-iop32x/include/mach/io.h b/arch/arm/mach-iop32x/include/mach/io.h deleted file mode 100644 index 059c783ce0b..00000000000 --- a/arch/arm/mach-iop32x/include/mach/io.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/io.h - * - * Copyright (C) 2001 MontaVista Software, Inc. - * - * 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. - */ - -#ifndef __IO_H -#define __IO_H - -#include <asm/hardware/iop3xx.h> - -extern void __iomem *__iop3xx_ioremap(unsigned long cookie, size_t size, - unsigned int mtype); -extern void __iop3xx_iounmap(void __iomem *addr); - -#define IO_SPACE_LIMIT 0xffffffff -#define __io(p) ((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p)) -#define __mem_pci(a) (a) - -#define __arch_ioremap __iop3xx_ioremap -#define __arch_iounmap __iop3xx_iounmap - -#endif diff --git a/arch/arm/mach-iop32x/include/mach/iop32x.h b/arch/arm/mach-iop32x/include/mach/iop32x.h index 941f363aca5..56ec864ec31 100644 --- a/arch/arm/mach-iop32x/include/mach/iop32x.h +++ b/arch/arm/mach-iop32x/include/mach/iop32x.h @@ -19,7 +19,6 @@ * Peripherals that are shared between the iop32x and iop33x but * located at different addresses. */ -#define IOP3XX_GPIO_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c4 + (reg)) #define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg)) #include <asm/hardware/iop3xx.h> diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h deleted file mode 100644 index 169cc239f76..00000000000 --- a/arch/arm/mach-iop32x/include/mach/memory.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/memory.h - */ - -#ifndef __MEMORY_H -#define __MEMORY_H - -/* - * Physical DRAM offset. - */ -#define PLAT_PHYS_OFFSET UL(0xa0000000) - -#endif diff --git a/arch/arm/mach-iop32x/include/mach/system.h b/arch/arm/mach-iop32x/include/mach/system.h deleted file mode 100644 index a4b808fe0d8..00000000000 --- a/arch/arm/mach-iop32x/include/mach/system.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/system.h - * - * Copyright (C) 2001 MontaVista Software, Inc. - * - * 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 <asm/mach-types.h> -#include <asm/hardware/iop3xx.h> -#include <mach/n2100.h> - -static inline void arch_idle(void) -{ - cpu_do_idle(); -} - -static inline void arch_reset(char mode, const char *cmd) -{ - local_irq_disable(); - - if (machine_is_n2100()) { - gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW); - gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT); - while (1) - ; - } - - *IOP3XX_PCSR = 0x30; - - /* Jump into ROM at address 0 */ - cpu_reset(0); -} diff --git a/arch/arm/mach-iop32x/include/mach/timex.h b/arch/arm/mach-iop32x/include/mach/timex.h deleted file mode 100644 index 7262ab81419..00000000000 --- a/arch/arm/mach-iop32x/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/timex.h - * - * IOP32x architecture timex specifications - */ -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-iop32x/include/mach/uncompress.h b/arch/arm/mach-iop32x/include/mach/uncompress.h index 4fd715496f4..b3d45fd365e 100644 --- a/arch/arm/mach-iop32x/include/mach/uncompress.h +++ b/arch/arm/mach-iop32x/include/mach/uncompress.h @@ -36,4 +36,3 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) * nothing to do */ #define arch_decomp_setup() __arch_decomp_setup(arch_id) -#define arch_decomp_wdog() diff --git a/arch/arm/mach-iop32x/include/mach/vmalloc.h b/arch/arm/mach-iop32x/include/mach/vmalloc.h deleted file mode 100644 index c4862d48e58..00000000000 --- a/arch/arm/mach-iop32x/include/mach/vmalloc.h +++ /dev/null @@ -1,5 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/vmalloc.h - */ - -#define VMALLOC_END 0xfe000000UL diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c index fde962c057f..0e1392b20d1 100644 --- a/arch/arm/mach-iop32x/iq31244.c +++ b/arch/arm/mach-iop32x/iq31244.c @@ -37,6 +37,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <mach/time.h> +#include "gpio-iop32x.h" /* * Until March of 2007 iq31244 platforms and ep80219 platforms shared the @@ -75,10 +76,6 @@ static void __init iq31244_timer_init(void) } } -static struct sys_timer iq31244_timer = { - .init = iq31244_timer_init, -}; - /* * IQ31244 I/O. @@ -103,7 +100,7 @@ void __init iq31244_map_io(void) * EP80219/IQ31244 PCI. */ static int __init -ep80219_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +ep80219_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; @@ -130,16 +127,15 @@ ep80219_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci ep80219_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = ep80219_pci_map_irq, }; static int __init -iq31244_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +iq31244_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; @@ -166,11 +162,10 @@ iq31244_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq31244_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = iq31244_pci_map_irq, }; @@ -289,6 +284,7 @@ void ep80219_power_off(void) static void __init iq31244_init_machine(void) { + register_iop32x_gpio(); platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); platform_device_register(&iq31244_flash_device); @@ -313,11 +309,12 @@ __setup("force_ep80219", force_ep80219_setup); MACHINE_START(IQ31244, "Intel IQ31244") /* Maintainer: Intel Corp. */ - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = iq31244_map_io, .init_irq = iop32x_init_irq, - .timer = &iq31244_timer, + .init_time = iq31244_timer_init, .init_machine = iq31244_init_machine, + .restart = iop3xx_restart, MACHINE_END /* There should have been an ep80219 machine identifier from the beginning. @@ -327,9 +324,10 @@ MACHINE_END */ MACHINE_START(EP80219, "Intel EP80219") /* Maintainer: Intel Corp. */ - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = iq31244_map_io, .init_irq = iop32x_init_irq, - .timer = &iq31244_timer, + .init_time = iq31244_timer_init, .init_machine = iq31244_init_machine, + .restart = iop3xx_restart, MACHINE_END diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c index 3a95950e873..66782ff1f46 100644 --- a/arch/arm/mach-iop32x/iq80321.c +++ b/arch/arm/mach-iop32x/iq80321.c @@ -33,6 +33,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <mach/time.h> +#include "gpio-iop32x.h" /* * IQ80321 timer tick configuration. @@ -43,10 +44,6 @@ static void __init iq80321_timer_init(void) iop_init_time(200000000); } -static struct sys_timer iq80321_timer = { - .init = iq80321_timer_init, -}; - /* * IQ80321 I/O. @@ -71,7 +68,7 @@ void __init iq80321_map_io(void) * IQ80321 PCI. */ static int __init -iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +iq80321_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; @@ -101,11 +98,10 @@ iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq80321_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit_cond, - .scan = iop3xx_pci_scan_bus, .map_irq = iq80321_pci_map_irq, }; @@ -175,6 +171,7 @@ static struct platform_device iq80321_serial_device = { static void __init iq80321_init_machine(void) { + register_iop32x_gpio(); platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); platform_device_register(&iq80321_flash_device); @@ -186,9 +183,10 @@ static void __init iq80321_init_machine(void) MACHINE_START(IQ80321, "Intel IQ80321") /* Maintainer: Intel Corp. */ - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = iq80321_map_io, .init_irq = iop32x_init_irq, - .timer = &iq80321_timer, + .init_time = iq80321_timer_init, .init_machine = iq80321_init_machine, + .restart = iop3xx_restart, MACHINE_END diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c index 626aa375915..c1cd80ecc21 100644 --- a/arch/arm/mach-iop32x/n2100.c +++ b/arch/arm/mach-iop32x/n2100.c @@ -30,6 +30,7 @@ #include <linux/platform_device.h> #include <linux/reboot.h> #include <linux/io.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/arch.h> @@ -40,6 +41,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <mach/time.h> +#include "gpio-iop32x.h" /* * N2100 timer tick configuration. @@ -50,10 +52,6 @@ static void __init n2100_timer_init(void) iop_init_time(198000000); } -static struct sys_timer n2100_timer = { - .init = n2100_timer_init, -}; - /* * N2100 I/O. @@ -78,7 +76,7 @@ void __init n2100_map_io(void) * N2100 PCI. */ static int __init -n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; @@ -114,11 +112,10 @@ n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci n2100_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = n2100_pci_map_irq, }; @@ -291,12 +288,26 @@ static void n2100_power_off(void) ; } +static void n2100_restart(enum reboot_mode mode, const char *cmd) +{ + int ret; + + ret = gpio_direction_output(N2100_HARDWARE_RESET, 0); + if (ret) { + pr_crit("could not drive reset GPIO low\n"); + return; + } + /* Wait for reset to happen */ + while (1) + ; +} + static struct timer_list power_button_poll_timer; static void power_button_poll(unsigned long dummy) { - if (gpio_line_get(N2100_POWER_BUTTON) == 0) { + if (gpio_get_value(N2100_POWER_BUTTON) == 0) { ctrl_alt_del(); return; } @@ -305,9 +316,37 @@ static void power_button_poll(unsigned long dummy) add_timer(&power_button_poll_timer); } +static int __init n2100_request_gpios(void) +{ + int ret; + + if (!machine_is_n2100()) + return 0; + + ret = gpio_request(N2100_HARDWARE_RESET, "reset"); + if (ret) + pr_err("could not request reset GPIO\n"); + + ret = gpio_request(N2100_POWER_BUTTON, "power"); + if (ret) + pr_err("could not request power GPIO\n"); + else { + ret = gpio_direction_input(N2100_POWER_BUTTON); + if (ret) + pr_err("could not set power GPIO as input\n"); + } + /* Set up power button poll timer */ + init_timer(&power_button_poll_timer); + power_button_poll_timer.function = power_button_poll; + power_button_poll_timer.expires = jiffies + (HZ / 10); + add_timer(&power_button_poll_timer); + return 0; +} +device_initcall(n2100_request_gpios); static void __init n2100_init_machine(void) { + register_iop32x_gpio(); platform_device_register(&iop3xx_i2c0_device); platform_device_register(&n2100_flash_device); platform_device_register(&n2100_serial_device); @@ -318,18 +357,14 @@ static void __init n2100_init_machine(void) ARRAY_SIZE(n2100_i2c_devices)); pm_power_off = n2100_power_off; - - init_timer(&power_button_poll_timer); - power_button_poll_timer.function = power_button_poll; - power_button_poll_timer.expires = jiffies + (HZ / 10); - add_timer(&power_button_poll_timer); } MACHINE_START(N2100, "Thecus N2100") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = n2100_map_io, .init_irq = iop32x_init_irq, - .timer = &n2100_timer, + .init_time = n2100_timer_init, .init_machine = n2100_init_machine, + .restart = n2100_restart, MACHINE_END |
