diff options
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-at91/generic.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-at91/sama5.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/setup.c | 45 |
6 files changed, 44 insertions, 54 deletions
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index ec89806c9d5d..49ae3d455bd5 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c | |||
| @@ -62,7 +62,6 @@ static const char *at91rm9200_dt_board_compat[] __initconst = { | |||
| 62 | DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") | 62 | DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") |
| 63 | .init_time = at91rm9200_dt_timer_init, | 63 | .init_time = at91rm9200_dt_timer_init, |
| 64 | .map_io = at91_map_io, | 64 | .map_io = at91_map_io, |
| 65 | .init_early = at91_dt_initialize, | ||
| 66 | .init_machine = rm9200_dt_device_init, | 65 | .init_machine = rm9200_dt_device_init, |
| 67 | .dt_compat = at91rm9200_dt_board_compat, | 66 | .dt_compat = at91rm9200_dt_board_compat, |
| 68 | MACHINE_END | 67 | MACHINE_END |
diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c index 04a9af79aadb..ecbe535c2ce0 100644 --- a/arch/arm/mach-at91/at91sam9.c +++ b/arch/arm/mach-at91/at91sam9.c | |||
| @@ -41,7 +41,6 @@ static const char *at91_dt_board_compat[] __initconst = { | |||
| 41 | DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") | 41 | DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") |
| 42 | /* Maintainer: Atmel */ | 42 | /* Maintainer: Atmel */ |
| 43 | .map_io = at91_map_io, | 43 | .map_io = at91_map_io, |
| 44 | .init_early = at91_dt_initialize, | ||
| 45 | .init_machine = sam9_dt_device_init, | 44 | .init_machine = sam9_dt_device_init, |
| 46 | .dt_compat = at91_dt_board_compat, | 45 | .dt_compat = at91_dt_board_compat, |
| 47 | MACHINE_END | 46 | MACHINE_END |
| @@ -62,7 +61,6 @@ static const char *at91_9g45_board_compat[] __initconst = { | |||
| 62 | DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45") | 61 | DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45") |
| 63 | /* Maintainer: Atmel */ | 62 | /* Maintainer: Atmel */ |
| 64 | .map_io = at91_map_io, | 63 | .map_io = at91_map_io, |
| 65 | .init_early = at91_dt_initialize, | ||
| 66 | .init_machine = sam9g45_dt_device_init, | 64 | .init_machine = sam9g45_dt_device_init, |
| 67 | .dt_compat = at91_9g45_board_compat, | 65 | .dt_compat = at91_9g45_board_compat, |
| 68 | MACHINE_END | 66 | MACHINE_END |
| @@ -84,7 +82,6 @@ static const char *at91_9x5_board_compat[] __initconst = { | |||
| 84 | DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9") | 82 | DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9") |
| 85 | /* Maintainer: Atmel */ | 83 | /* Maintainer: Atmel */ |
| 86 | .map_io = at91_map_io, | 84 | .map_io = at91_map_io, |
| 87 | .init_early = at91_dt_initialize, | ||
| 88 | .init_machine = sam9x5_dt_device_init, | 85 | .init_machine = sam9x5_dt_device_init, |
| 89 | .dt_compat = at91_9x5_board_compat, | 86 | .dt_compat = at91_9x5_board_compat, |
| 90 | MACHINE_END | 87 | MACHINE_END |
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index a8ee83ef6cd4..9c6e5b9f87ff 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h | |||
| @@ -18,9 +18,6 @@ | |||
| 18 | extern void __init at91_map_io(void); | 18 | extern void __init at91_map_io(void); |
| 19 | extern void __init at91_alt_map_io(void); | 19 | extern void __init at91_alt_map_io(void); |
| 20 | 20 | ||
| 21 | /* Processors */ | ||
| 22 | extern void __init at91_dt_initialize(void); | ||
| 23 | |||
| 24 | /* Timer */ | 21 | /* Timer */ |
| 25 | extern void at91rm9200_timer_init(void); | 22 | extern void at91rm9200_timer_init(void); |
| 26 | 23 | ||
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 87c1fd8aa1b6..25bb93db8208 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c | |||
| @@ -20,6 +20,7 @@ | |||
| 20 | #include <linux/module.h> | 20 | #include <linux/module.h> |
| 21 | #include <linux/of.h> | 21 | #include <linux/of.h> |
| 22 | #include <linux/of_platform.h> | 22 | #include <linux/of_platform.h> |
| 23 | #include <linux/of_address.h> | ||
| 23 | #include <linux/platform_device.h> | 24 | #include <linux/platform_device.h> |
| 24 | #include <linux/io.h> | 25 | #include <linux/io.h> |
| 25 | #include <linux/clk/at91_pmc.h> | 26 | #include <linux/clk/at91_pmc.h> |
| @@ -41,6 +42,7 @@ static struct { | |||
| 41 | } at91_pm_data; | 42 | } at91_pm_data; |
| 42 | 43 | ||
| 43 | static void (*at91_pm_standby)(void); | 44 | static void (*at91_pm_standby)(void); |
| 45 | void __iomem *at91_ramc_base[2]; | ||
| 44 | 46 | ||
| 45 | static int at91_pm_valid_state(suspend_state_t state) | 47 | static int at91_pm_valid_state(suspend_state_t state) |
| 46 | { | 48 | { |
| @@ -224,6 +226,43 @@ void at91_pm_set_standby(void (*at91_standby)(void)) | |||
| 224 | } | 226 | } |
| 225 | } | 227 | } |
| 226 | 228 | ||
| 229 | static struct of_device_id ramc_ids[] = { | ||
| 230 | { .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby }, | ||
| 231 | { .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby }, | ||
| 232 | { .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby }, | ||
| 233 | { .compatible = "atmel,sama5d3-ddramc", .data = at91_ddr_standby }, | ||
| 234 | { /*sentinel*/ } | ||
| 235 | }; | ||
| 236 | |||
| 237 | static void at91_dt_ramc(void) | ||
| 238 | { | ||
| 239 | struct device_node *np; | ||
| 240 | const struct of_device_id *of_id; | ||
| 241 | int idx = 0; | ||
| 242 | const void *standby = NULL; | ||
| 243 | |||
| 244 | for_each_matching_node_and_match(np, ramc_ids, &of_id) { | ||
| 245 | at91_ramc_base[idx] = of_iomap(np, 0); | ||
| 246 | if (!at91_ramc_base[idx]) | ||
| 247 | panic(pr_fmt("unable to map ramc[%d] cpu registers\n"), idx); | ||
| 248 | |||
| 249 | if (!standby) | ||
| 250 | standby = of_id->data; | ||
| 251 | |||
| 252 | idx++; | ||
| 253 | } | ||
| 254 | |||
| 255 | if (!idx) | ||
| 256 | panic(pr_fmt("unable to find compatible ram controller node in dtb\n")); | ||
| 257 | |||
| 258 | if (!standby) { | ||
| 259 | pr_warn("ramc no standby function available\n"); | ||
| 260 | return; | ||
| 261 | } | ||
| 262 | |||
| 263 | at91_pm_set_standby(standby); | ||
| 264 | } | ||
| 265 | |||
| 227 | #ifdef CONFIG_AT91_SLOW_CLOCK | 266 | #ifdef CONFIG_AT91_SLOW_CLOCK |
| 228 | static void __init at91_pm_sram_init(void) | 267 | static void __init at91_pm_sram_init(void) |
| 229 | { | 268 | { |
| @@ -282,6 +321,8 @@ static void __init at91_pm_init(void) | |||
| 282 | 321 | ||
| 283 | void __init at91_rm9200_pm_init(void) | 322 | void __init at91_rm9200_pm_init(void) |
| 284 | { | 323 | { |
| 324 | at91_dt_ramc(); | ||
| 325 | |||
| 285 | /* | 326 | /* |
| 286 | * AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. | 327 | * AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. |
| 287 | */ | 328 | */ |
| @@ -295,6 +336,7 @@ void __init at91_rm9200_pm_init(void) | |||
| 295 | 336 | ||
| 296 | void __init at91_sam9260_pm_init(void) | 337 | void __init at91_sam9260_pm_init(void) |
| 297 | { | 338 | { |
| 339 | at91_dt_ramc(); | ||
| 298 | at91_pm_data.memctrl = AT91_MEMCTRL_SDRAMC; | 340 | at91_pm_data.memctrl = AT91_MEMCTRL_SDRAMC; |
| 299 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; | 341 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; |
| 300 | return at91_pm_init(); | 342 | return at91_pm_init(); |
| @@ -302,6 +344,7 @@ void __init at91_sam9260_pm_init(void) | |||
| 302 | 344 | ||
| 303 | void __init at91_sam9g45_pm_init(void) | 345 | void __init at91_sam9g45_pm_init(void) |
| 304 | { | 346 | { |
| 347 | at91_dt_ramc(); | ||
| 305 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP; | 348 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP; |
| 306 | at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; | 349 | at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; |
| 307 | return at91_pm_init(); | 350 | return at91_pm_init(); |
| @@ -309,6 +352,7 @@ void __init at91_sam9g45_pm_init(void) | |||
| 309 | 352 | ||
| 310 | void __init at91_sam9x5_pm_init(void) | 353 | void __init at91_sam9x5_pm_init(void) |
| 311 | { | 354 | { |
| 355 | at91_dt_ramc(); | ||
| 312 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; | 356 | at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; |
| 313 | at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; | 357 | at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; |
| 314 | return at91_pm_init(); | 358 | return at91_pm_init(); |
diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c index 22944d7e1a63..9816ef0f203d 100644 --- a/arch/arm/mach-at91/sama5.c +++ b/arch/arm/mach-at91/sama5.c | |||
| @@ -60,7 +60,6 @@ static const char *sama5_dt_board_compat[] __initconst = { | |||
| 60 | DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)") | 60 | DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)") |
| 61 | /* Maintainer: Atmel */ | 61 | /* Maintainer: Atmel */ |
| 62 | .map_io = at91_map_io, | 62 | .map_io = at91_map_io, |
| 63 | .init_early = at91_dt_initialize, | ||
| 64 | .init_machine = sama5_dt_device_init, | 63 | .init_machine = sama5_dt_device_init, |
| 65 | .dt_compat = sama5_dt_board_compat, | 64 | .dt_compat = sama5_dt_board_compat, |
| 66 | MACHINE_END | 65 | MACHINE_END |
| @@ -106,7 +105,6 @@ static const char *sama5_alt_dt_board_compat[] __initconst = { | |||
| 106 | DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5 (Device Tree)") | 105 | DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5 (Device Tree)") |
| 107 | /* Maintainer: Atmel */ | 106 | /* Maintainer: Atmel */ |
| 108 | .map_io = sama5_alt_map_io, | 107 | .map_io = sama5_alt_map_io, |
| 109 | .init_early = at91_dt_initialize, | ||
| 110 | .init_machine = sama5_dt_device_init, | 108 | .init_machine = sama5_dt_device_init, |
| 111 | .dt_compat = sama5_alt_dt_board_compat, | 109 | .dt_compat = sama5_alt_dt_board_compat, |
| 112 | .l2c_aux_mask = ~0UL, | 110 | .l2c_aux_mask = ~0UL, |
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index b6a903410b92..4e58bc90ed21 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c | |||
| @@ -28,9 +28,6 @@ | |||
| 28 | struct at91_socinfo at91_soc_initdata; | 28 | struct at91_socinfo at91_soc_initdata; |
| 29 | EXPORT_SYMBOL(at91_soc_initdata); | 29 | EXPORT_SYMBOL(at91_soc_initdata); |
| 30 | 30 | ||
| 31 | void __iomem *at91_ramc_base[2]; | ||
| 32 | EXPORT_SYMBOL_GPL(at91_ramc_base); | ||
| 33 | |||
| 34 | static struct map_desc at91_io_desc __initdata __maybe_unused = { | 31 | static struct map_desc at91_io_desc __initdata __maybe_unused = { |
| 35 | .virtual = (unsigned long)AT91_VA_BASE_SYS, | 32 | .virtual = (unsigned long)AT91_VA_BASE_SYS, |
| 36 | .pfn = __phys_to_pfn(AT91_BASE_SYS), | 33 | .pfn = __phys_to_pfn(AT91_BASE_SYS), |
| @@ -331,45 +328,3 @@ void __init at91_ioremap_matrix(u32 base_addr) | |||
| 331 | if (!at91_matrix_base) | 328 | if (!at91_matrix_base) |
| 332 | panic(pr_fmt("Impossible to ioremap at91_matrix_base\n")); | 329 | panic(pr_fmt("Impossible to ioremap at91_matrix_base\n")); |
| 333 | } | 330 | } |
| 334 | |||
| 335 | static struct of_device_id ramc_ids[] = { | ||
| 336 | { .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby }, | ||
| 337 | { .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby }, | ||
| 338 | { .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby }, | ||
| 339 | { .compatible = "atmel,sama5d3-ddramc", .data = at91_ddr_standby }, | ||
| 340 | { /*sentinel*/ } | ||
| 341 | }; | ||
| 342 | |||
| 343 | static void at91_dt_ramc(void) | ||
| 344 | { | ||
| 345 | struct device_node *np; | ||
| 346 | const struct of_device_id *of_id; | ||
| 347 | int idx = 0; | ||
| 348 | const void *standby = NULL; | ||
| 349 | |||
| 350 | for_each_matching_node_and_match(np, ramc_ids, &of_id) { | ||
| 351 | at91_ramc_base[idx] = of_iomap(np, 0); | ||
| 352 | if (!at91_ramc_base[idx]) | ||
| 353 | panic(pr_fmt("unable to map ramc[%d] cpu registers\n"), idx); | ||
| 354 | |||
| 355 | if (!standby) | ||
| 356 | standby = of_id->data; | ||
| 357 | |||
| 358 | idx++; | ||
| 359 | } | ||
| 360 | |||
| 361 | if (!idx) | ||
| 362 | panic(pr_fmt("unable to find compatible ram controller node in dtb\n")); | ||
| 363 | |||
| 364 | if (!standby) { | ||
| 365 | pr_warn("ramc no standby function available\n"); | ||
| 366 | return; | ||
| 367 | } | ||
| 368 | |||
| 369 | at91_pm_set_standby(standby); | ||
| 370 | } | ||
| 371 | |||
| 372 | void __init at91_dt_initialize(void) | ||
| 373 | { | ||
| 374 | at91_dt_ramc(); | ||
| 375 | } | ||
