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 ba6009f2767..af98117043d 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile | |||
| @@ -4,7 +4,7 @@ | |||
| 4 | 4 | ||
| 5 | # Common support | 5 | # Common support |
| 6 | obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o | 6 | obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o |
| 7 | obj-y += clock.o clock_data.o opp_data.o | 7 | obj-y += clock.o clock_data.o opp_data.o reset.o |
| 8 | 8 | ||
| 9 | obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o | 9 | obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o |
| 10 | 10 | ||
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 815a69ce821..67128171409 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c | |||
| @@ -26,6 +26,7 @@ | |||
| 26 | #include <linux/smc91x.h> | 26 | #include <linux/smc91x.h> |
| 27 | 27 | ||
| 28 | #include <mach/hardware.h> | 28 | #include <mach/hardware.h> |
| 29 | #include <mach/system.h> | ||
| 29 | #include <asm/mach-types.h> | 30 | #include <asm/mach-types.h> |
| 30 | #include <asm/mach/arch.h> | 31 | #include <asm/mach/arch.h> |
| 31 | #include <asm/mach/map.h> | 32 | #include <asm/mach/map.h> |
| @@ -163,52 +164,6 @@ static void __init voiceblue_init_irq(void) | |||
| 163 | omap_init_irq(); | 164 | omap_init_irq(); |
| 164 | } | 165 | } |
| 165 | 166 | ||
| 166 | static void __init voiceblue_init(void) | ||
| 167 | { | ||
| 168 | /* mux pins for uarts */ | ||
| 169 | omap_cfg_reg(UART1_TX); | ||
| 170 | omap_cfg_reg(UART1_RTS); | ||
| 171 | omap_cfg_reg(UART2_TX); | ||
| 172 | omap_cfg_reg(UART2_RTS); | ||
| 173 | omap_cfg_reg(UART3_TX); | ||
| 174 | omap_cfg_reg(UART3_RX); | ||
| 175 | |||
| 176 | /* Watchdog */ | ||
| 177 | gpio_request(0, "Watchdog"); | ||
| 178 | /* smc91x reset */ | ||
| 179 | gpio_request(7, "SMC91x reset"); | ||
| 180 | gpio_direction_output(7, 1); | ||
| 181 | udelay(2); /* wait at least 100ns */ | ||
| 182 | gpio_set_value(7, 0); | ||
| 183 | mdelay(50); /* 50ms until PHY ready */ | ||
| 184 | /* smc91x interrupt pin */ | ||
| 185 | gpio_request(8, "SMC91x irq"); | ||
| 186 | /* 16C554 reset*/ | ||
| 187 | gpio_request(6, "16C554 reset"); | ||
| 188 | gpio_direction_output(6, 0); | ||
| 189 | /* 16C554 interrupt pins */ | ||
| 190 | gpio_request(12, "16C554 irq"); | ||
| 191 | gpio_request(13, "16C554 irq"); | ||
| 192 | gpio_request(14, "16C554 irq"); | ||
| 193 | gpio_request(15, "16C554 irq"); | ||
| 194 | set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); | ||
| 195 | set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); | ||
| 196 | set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); | ||
| 197 | set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); | ||
| 198 | |||
| 199 | platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); | ||
| 200 | omap_board_config = voiceblue_config; | ||
| 201 | omap_board_config_size = ARRAY_SIZE(voiceblue_config); | ||
| 202 | omap_serial_init(); | ||
| 203 | omap1_usb_init(&voiceblue_usb_config); | ||
| 204 | omap_register_i2c_bus(1, 100, NULL, 0); | ||
| 205 | |||
| 206 | /* There is a good chance board is going up, so enable power LED | ||
| 207 | * (it is connected through invertor) */ | ||
| 208 | omap_writeb(0x00, OMAP_LPG1_LCR); | ||
| 209 | omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ | ||
| 210 | } | ||
| 211 | |||
| 212 | static void __init voiceblue_map_io(void) | 167 | static void __init voiceblue_map_io(void) |
| 213 | { | 168 | { |
| 214 | omap1_map_common_io(); | 169 | omap1_map_common_io(); |
| @@ -275,8 +230,17 @@ void voiceblue_wdt_ping(void) | |||
| 275 | gpio_set_value(0, wdt_gpio_state); | 230 | gpio_set_value(0, wdt_gpio_state); |
| 276 | } | 231 | } |
| 277 | 232 | ||
| 278 | void voiceblue_reset(void) | 233 | static void voiceblue_reset(char mode, const char *cmd) |
| 279 | { | 234 | { |
| 235 | /* | ||
| 236 | * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 | ||
| 237 | * "Global Software Reset Affects Traffic Controller Frequency". | ||
| 238 | */ | ||
| 239 | if (cpu_is_omap5912()) { | ||
| 240 | omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); | ||
| 241 | omap_writew(0x8, ARM_RSTCT1); | ||
| 242 | } | ||
| 243 | |||
| 280 | set_bit(MACHINE_REBOOT, &machine_state); | 244 | set_bit(MACHINE_REBOOT, &machine_state); |
| 281 | voiceblue_wdt_enable(); | 245 | voiceblue_wdt_enable(); |
| 282 | while (1) ; | 246 | while (1) ; |
| @@ -286,6 +250,54 @@ EXPORT_SYMBOL(voiceblue_wdt_enable); | |||
| 286 | EXPORT_SYMBOL(voiceblue_wdt_disable); | 250 | EXPORT_SYMBOL(voiceblue_wdt_disable); |
| 287 | EXPORT_SYMBOL(voiceblue_wdt_ping); | 251 | EXPORT_SYMBOL(voiceblue_wdt_ping); |
| 288 | 252 | ||
| 253 | static void __init voiceblue_init(void) | ||
| 254 | { | ||
| 255 | /* mux pins for uarts */ | ||
| 256 | omap_cfg_reg(UART1_TX); | ||
| 257 | omap_cfg_reg(UART1_RTS); | ||
| 258 | omap_cfg_reg(UART2_TX); | ||
| 259 | omap_cfg_reg(UART2_RTS); | ||
| 260 | omap_cfg_reg(UART3_TX); | ||
| 261 | omap_cfg_reg(UART3_RX); | ||
| 262 | |||
| 263 | /* Watchdog */ | ||
| 264 | gpio_request(0, "Watchdog"); | ||
| 265 | /* smc91x reset */ | ||
| 266 | gpio_request(7, "SMC91x reset"); | ||
| 267 | gpio_direction_output(7, 1); | ||
| 268 | udelay(2); /* wait at least 100ns */ | ||
| 269 | gpio_set_value(7, 0); | ||
| 270 | mdelay(50); /* 50ms until PHY ready */ | ||
| 271 | /* smc91x interrupt pin */ | ||
| 272 | gpio_request(8, "SMC91x irq"); | ||
| 273 | /* 16C554 reset*/ | ||
| 274 | gpio_request(6, "16C554 reset"); | ||
| 275 | gpio_direction_output(6, 0); | ||
| 276 | /* 16C554 interrupt pins */ | ||
| 277 | gpio_request(12, "16C554 irq"); | ||
| 278 | gpio_request(13, "16C554 irq"); | ||
| 279 | gpio_request(14, "16C554 irq"); | ||
| 280 | gpio_request(15, "16C554 irq"); | ||
| 281 | set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); | ||
| 282 | set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); | ||
| 283 | set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); | ||
| 284 | set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); | ||
| 285 | |||
| 286 | platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); | ||
| 287 | omap_board_config = voiceblue_config; | ||
| 288 | omap_board_config_size = ARRAY_SIZE(voiceblue_config); | ||
| 289 | omap_serial_init(); | ||
| 290 | omap1_usb_init(&voiceblue_usb_config); | ||
| 291 | omap_register_i2c_bus(1, 100, NULL, 0); | ||
| 292 | |||
| 293 | /* There is a good chance board is going up, so enable power LED | ||
| 294 | * (it is connected through invertor) */ | ||
| 295 | omap_writeb(0x00, OMAP_LPG1_LCR); | ||
| 296 | omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ | ||
| 297 | |||
| 298 | arch_reset = voiceblue_reset; | ||
| 299 | } | ||
| 300 | |||
| 289 | MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910") | 301 | MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910") |
| 290 | /* Maintainer: Ladislav Michl <michl@2n.cz> */ | 302 | /* Maintainer: Ladislav Michl <michl@2n.cz> */ |
| 291 | .boot_params = 0x10000100, | 303 | .boot_params = 0x10000100, |
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c new file mode 100644 index 00000000000..ad951ee6920 --- /dev/null +++ b/arch/arm/mach-omap1/reset.c | |||
| @@ -0,0 +1,25 @@ | |||
| 1 | /* | ||
| 2 | * OMAP1 reset support | ||
| 3 | */ | ||
| 4 | #include <linux/kernel.h> | ||
| 5 | #include <linux/io.h> | ||
| 6 | |||
| 7 | #include <mach/hardware.h> | ||
| 8 | #include <mach/system.h> | ||
| 9 | #include <plat/prcm.h> | ||
| 10 | |||
| 11 | void omap1_arch_reset(char mode, const char *cmd) | ||
| 12 | { | ||
| 13 | /* | ||
| 14 | * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 | ||
| 15 | * "Global Software Reset Affects Traffic Controller Frequency". | ||
| 16 | */ | ||
| 17 | if (cpu_is_omap5912()) { | ||
| 18 | omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); | ||
| 19 | omap_writew(0x8, ARM_RSTCT1); | ||
| 20 | } | ||
| 21 | |||
| 22 | omap_writew(1, ARM_RSTCT1); | ||
| 23 | } | ||
| 24 | |||
| 25 | 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 679bcd28576..6be14389e4f 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c | |||
| @@ -24,6 +24,7 @@ | |||
| 24 | #include <linux/io.h> | 24 | #include <linux/io.h> |
| 25 | #include <linux/delay.h> | 25 | #include <linux/delay.h> |
| 26 | 26 | ||
| 27 | #include <mach/system.h> | ||
| 27 | #include <plat/common.h> | 28 | #include <plat/common.h> |
| 28 | #include <plat/prcm.h> | 29 | #include <plat/prcm.h> |
| 29 | #include <plat/irqs.h> | 30 | #include <plat/irqs.h> |
| @@ -57,7 +58,7 @@ u32 omap_prcm_get_reset_sources(void) | |||
| 57 | EXPORT_SYMBOL(omap_prcm_get_reset_sources); | 58 | EXPORT_SYMBOL(omap_prcm_get_reset_sources); |
| 58 | 59 | ||
| 59 | /* Resets clock rates and reboots the system. Only called from system.h */ | 60 | /* Resets clock rates and reboots the system. Only called from system.h */ |
| 60 | void omap_prcm_arch_reset(char mode, const char *cmd) | 61 | static void omap_prcm_arch_reset(char mode, const char *cmd) |
| 61 | { | 62 | { |
| 62 | s16 prcm_offs = 0; | 63 | s16 prcm_offs = 0; |
| 63 | 64 | ||
| @@ -108,6 +109,8 @@ void omap_prcm_arch_reset(char mode, const char *cmd) | |||
| 108 | omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */ | 109 | omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */ |
| 109 | } | 110 | } |
| 110 | 111 | ||
| 112 | void (*arch_reset)(char, const char *) = omap_prcm_arch_reset; | ||
| 113 | |||
| 111 | /** | 114 | /** |
| 112 | * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness | 115 | * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness |
| 113 | * @reg: physical address of module IDLEST register | 116 | * @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 2fdf8c80d39..267f43bb2a4 100644 --- a/arch/arm/plat-omap/include/plat/prcm.h +++ b/arch/arm/plat-omap/include/plat/prcm.h | |||
| @@ -28,7 +28,6 @@ | |||
| 28 | #define __ASM_ARM_ARCH_OMAP_PRCM_H | 28 | #define __ASM_ARM_ARCH_OMAP_PRCM_H |
| 29 | 29 | ||
| 30 | u32 omap_prcm_get_reset_sources(void); | 30 | u32 omap_prcm_get_reset_sources(void); |
| 31 | void omap_prcm_arch_reset(char mode, const char *cmd); | ||
| 32 | int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, | 31 | int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, |
| 33 | const char *name); | 32 | const char *name); |
| 34 | 33 | ||
diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h index d0a119f735b..c5fa9e92900 100644 --- a/arch/arm/plat-omap/include/plat/system.h +++ b/arch/arm/plat-omap/include/plat/system.h | |||
| @@ -4,48 +4,14 @@ | |||
| 4 | */ | 4 | */ |
| 5 | #ifndef __ASM_ARCH_SYSTEM_H | 5 | #ifndef __ASM_ARCH_SYSTEM_H |
| 6 | #define __ASM_ARCH_SYSTEM_H | 6 | #define __ASM_ARCH_SYSTEM_H |
| 7 | #include <linux/clk.h> | ||
| 8 | 7 | ||
| 9 | #include <asm/mach-types.h> | 8 | #include <asm/proc-fns.h> |
| 10 | #include <mach/hardware.h> | ||
| 11 | |||
| 12 | #include <plat/prcm.h> | ||
| 13 | |||
| 14 | #ifndef CONFIG_MACH_VOICEBLUE | ||
| 15 | #define voiceblue_reset() do {} while (0) | ||
| 16 | #else | ||
| 17 | extern void voiceblue_reset(void); | ||
| 18 | #endif | ||
| 19 | 9 | ||
| 20 | static inline void arch_idle(void) | 10 | static inline void arch_idle(void) |
| 21 | { | 11 | { |
| 22 | cpu_do_idle(); | 12 | cpu_do_idle(); |
| 23 | } | 13 | } |
| 24 | 14 | ||
| 25 | static inline void omap1_arch_reset(char mode, const char *cmd) | 15 | extern void (*arch_reset)(char, const char *); |
| 26 | { | ||
| 27 | /* | ||
| 28 | * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 | ||
| 29 | * "Global Software Reset Affects Traffic Controller Frequency". | ||
| 30 | */ | ||
| 31 | if (cpu_is_omap5912()) { | ||
| 32 | omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), | ||
| 33 | DPLL_CTL); | ||
| 34 | omap_writew(0x8, ARM_RSTCT1); | ||
| 35 | } | ||
| 36 | |||
| 37 | if (machine_is_voiceblue()) | ||
| 38 | voiceblue_reset(); | ||
| 39 | else | ||
| 40 | omap_writew(1, ARM_RSTCT1); | ||
| 41 | } | ||
| 42 | |||
| 43 | static inline void arch_reset(char mode, const char *cmd) | ||
| 44 | { | ||
| 45 | if (!cpu_class_is_omap2()) | ||
| 46 | omap1_arch_reset(mode, cmd); | ||
| 47 | else | ||
| 48 | omap_prcm_arch_reset(mode, cmd); | ||
| 49 | } | ||
| 50 | 16 | ||
| 51 | #endif | 17 | #endif |
