diff options
| -rw-r--r-- | arch/arm/mach-omap1/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/board-voiceblue.c | 106 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/reset.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prcm.c | 5 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/prcm.h | 1 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/system.h | 38 |
6 files changed, 91 insertions, 86 deletions
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index ba6009f27677..af98117043d2 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -4,7 +4,7 @@ # Common support obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o -obj-y += clock.o clock_data.o opp_data.o +obj-y += clock.o clock_data.o opp_data.o reset.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 815a69ce821d..671281714099 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -26,6 +26,7 @@ #include <linux/smc91x.h> #include <mach/hardware.h> +#include <mach/system.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -163,52 +164,6 @@ static void __init voiceblue_init_irq(void) omap_init_irq(); } -static void __init voiceblue_init(void) -{ - /* mux pins for uarts */ - omap_cfg_reg(UART1_TX); - omap_cfg_reg(UART1_RTS); - omap_cfg_reg(UART2_TX); - omap_cfg_reg(UART2_RTS); - omap_cfg_reg(UART3_TX); - omap_cfg_reg(UART3_RX); - - /* Watchdog */ - gpio_request(0, "Watchdog"); - /* smc91x reset */ - gpio_request(7, "SMC91x reset"); - gpio_direction_output(7, 1); - udelay(2); /* wait at least 100ns */ - gpio_set_value(7, 0); - mdelay(50); /* 50ms until PHY ready */ - /* smc91x interrupt pin */ - gpio_request(8, "SMC91x irq"); - /* 16C554 reset*/ - gpio_request(6, "16C554 reset"); - gpio_direction_output(6, 0); - /* 16C554 interrupt pins */ - gpio_request(12, "16C554 irq"); - gpio_request(13, "16C554 irq"); - gpio_request(14, "16C554 irq"); - gpio_request(15, "16C554 irq"); - set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); - - platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); - omap_board_config = voiceblue_config; - omap_board_config_size = ARRAY_SIZE(voiceblue_config); - omap_serial_init(); - omap1_usb_init(&voiceblue_usb_config); - omap_register_i2c_bus(1, 100, NULL, 0); - - /* There is a good chance board is going up, so enable power LED - * (it is connected through invertor) */ - omap_writeb(0x00, OMAP_LPG1_LCR); - omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ -} - static void __init voiceblue_map_io(void) { omap1_map_common_io(); @@ -275,8 +230,17 @@ void voiceblue_wdt_ping(void) gpio_set_value(0, wdt_gpio_state); } -void voiceblue_reset(void) +static void voiceblue_reset(char mode, const char *cmd) { + /* + * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 + * "Global Software Reset Affects Traffic Controller Frequency". + */ + if (cpu_is_omap5912()) { + omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); + omap_writew(0x8, ARM_RSTCT1); + } + set_bit(MACHINE_REBOOT, &machine_state); voiceblue_wdt_enable(); while (1) ; @@ -286,6 +250,54 @@ EXPORT_SYMBOL(voiceblue_wdt_enable); EXPORT_SYMBOL(voiceblue_wdt_disable); EXPORT_SYMBOL(voiceblue_wdt_ping); +static void __init voiceblue_init(void) +{ + /* mux pins for uarts */ + omap_cfg_reg(UART1_TX); + omap_cfg_reg(UART1_RTS); + omap_cfg_reg(UART2_TX); + omap_cfg_reg(UART2_RTS); + omap_cfg_reg(UART3_TX); + omap_cfg_reg(UART3_RX); + + /* Watchdog */ + gpio_request(0, "Watchdog"); + /* smc91x reset */ + gpio_request(7, "SMC91x reset"); + gpio_direction_output(7, 1); + udelay(2); /* wait at least 100ns */ + gpio_set_value(7, 0); + mdelay(50); /* 50ms until PHY ready */ + /* smc91x interrupt pin */ + gpio_request(8, "SMC91x irq"); + /* 16C554 reset*/ + gpio_request(6, "16C554 reset"); + gpio_direction_output(6, 0); + /* 16C554 interrupt pins */ + gpio_request(12, "16C554 irq"); + gpio_request(13, "16C554 irq"); + gpio_request(14, "16C554 irq"); + gpio_request(15, "16C554 irq"); + set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); + set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); + set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); + set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); + + platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); + omap_board_config = voiceblue_config; + omap_board_config_size = ARRAY_SIZE(voiceblue_config); + omap_serial_init(); + omap1_usb_init(&voiceblue_usb_config); + omap_register_i2c_bus(1, 100, NULL, 0); + + /* There is a good chance board is going up, so enable power LED + * (it is connected through invertor) */ + omap_writeb(0x00, OMAP_LPG1_LCR); + omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ + + arch_reset = voiceblue_reset; +} + MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910") /* Maintainer: Ladislav Michl <michl@2n.cz> */ .boot_params = 0x10000100, diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c new file mode 100644 index 000000000000..ad951ee69205 --- /dev/null +++ b/arch/arm/mach-omap1/reset.c @@ -0,0 +1,25 @@ +/* + * OMAP1 reset support + */ +#include <linux/kernel.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/system.h> +#include <plat/prcm.h> + +void omap1_arch_reset(char mode, const char *cmd) +{ + /* + * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 + * "Global Software Reset Affects Traffic Controller Frequency". + */ + if (cpu_is_omap5912()) { + omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); + omap_writew(0x8, ARM_RSTCT1); + } + + omap_writew(1, ARM_RSTCT1); +} + +void (*arch_reset)(char, const char *) = omap1_arch_reset; diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index 679bcd28576e..6be14389e4f3 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/delay.h> +#include <mach/system.h> #include <plat/common.h> #include <plat/prcm.h> #include <plat/irqs.h> @@ -57,7 +58,7 @@ u32 omap_prcm_get_reset_sources(void) EXPORT_SYMBOL(omap_prcm_get_reset_sources); /* Resets clock rates and reboots the system. Only called from system.h */ -void omap_prcm_arch_reset(char mode, const char *cmd) +static void omap_prcm_arch_reset(char mode, const char *cmd) { s16 prcm_offs = 0; @@ -108,6 +109,8 @@ void omap_prcm_arch_reset(char mode, const char *cmd) omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */ } +void (*arch_reset)(char, const char *) = omap_prcm_arch_reset; + /** * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness * @reg: physical address of module IDLEST register diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h index 2fdf8c80d390..267f43bb2a4e 100644 --- a/arch/arm/plat-omap/include/plat/prcm.h +++ b/arch/arm/plat-omap/include/plat/prcm.h @@ -28,7 +28,6 @@ #define __ASM_ARM_ARCH_OMAP_PRCM_H u32 omap_prcm_get_reset_sources(void); -void omap_prcm_arch_reset(char mode, const char *cmd); int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, const char *name); diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h index d0a119f735b4..c5fa9e929009 100644 --- a/arch/arm/plat-omap/include/plat/system.h +++ b/arch/arm/plat-omap/include/plat/system.h @@ -4,48 +4,14 @@ */ #ifndef __ASM_ARCH_SYSTEM_H #define __ASM_ARCH_SYSTEM_H -#include <linux/clk.h> -#include <asm/mach-types.h> -#include <mach/hardware.h> - -#include <plat/prcm.h> - -#ifndef CONFIG_MACH_VOICEBLUE -#define voiceblue_reset() do {} while (0) -#else -extern void voiceblue_reset(void); -#endif +#include <asm/proc-fns.h> static inline void arch_idle(void) { cpu_do_idle(); } -static inline void omap1_arch_reset(char mode, const char *cmd) -{ - /* - * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 - * "Global Software Reset Affects Traffic Controller Frequency". - */ - if (cpu_is_omap5912()) { - omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), - DPLL_CTL); - omap_writew(0x8, ARM_RSTCT1); - } - - if (machine_is_voiceblue()) - voiceblue_reset(); - else - omap_writew(1, ARM_RSTCT1); -} - -static inline void arch_reset(char mode, const char *cmd) -{ - if (!cpu_class_is_omap2()) - omap1_arch_reset(mode, cmd); - else - omap_prcm_arch_reset(mode, cmd); -} +extern void (*arch_reset)(char, const char *); #endif |