diff options
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/setup.c | 320 |
2 files changed, 1 insertions, 321 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 709f059602b9..ea54c9824d89 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := setup.o soc.o +obj-y := soc.o obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c deleted file mode 100644 index ef778f33c488..000000000000 --- a/arch/arm/mach-at91/setup.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * Copyright (C) 2007 Atmel Corporation. - * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * Under GPLv2 - */ - -#define pr_fmt(fmt) "AT91: " fmt - -#include <linux/module.h> -#include <linux/io.h> -#include <linux/mm.h> -#include <linux/pm.h> -#include <linux/of_address.h> -#include <linux/pinctrl/machine.h> -#include <linux/clk/at91_pmc.h> - -#include <asm/system_misc.h> -#include <asm/mach/map.h> - -#include <mach/hardware.h> -#include <mach/cpu.h> -#include <mach/at91_dbgu.h> - -#include "generic.h" -#include "pm.h" - -struct at91_socinfo at91_soc_initdata; -EXPORT_SYMBOL(at91_soc_initdata); - -static struct map_desc at91_io_desc __initdata __maybe_unused = { - .virtual = (unsigned long)AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, -}; - -static struct map_desc at91_alt_io_desc __initdata __maybe_unused = { - .virtual = (unsigned long)AT91_ALT_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_ALT_BASE_SYS), - .length = 24 * SZ_1K, - .type = MT_DEVICE, -}; - -static void __init soc_detect(u32 dbgu_base) -{ - u32 cidr, socid; - - cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR); - socid = cidr & ~AT91_CIDR_VERSION; - - switch (socid) { - case ARCH_ID_AT91RM9200: - at91_soc_initdata.type = AT91_SOC_RM9200; - if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_UNKNOWN) - at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; - break; - - case ARCH_ID_AT91SAM9260: - at91_soc_initdata.type = AT91_SOC_SAM9260; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - break; - - case ARCH_ID_AT91SAM9261: - at91_soc_initdata.type = AT91_SOC_SAM9261; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - break; - - case ARCH_ID_AT91SAM9263: - at91_soc_initdata.type = AT91_SOC_SAM9263; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - break; - - case ARCH_ID_AT91SAM9G20: - at91_soc_initdata.type = AT91_SOC_SAM9G20; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - break; - - case ARCH_ID_AT91SAM9G45: - at91_soc_initdata.type = AT91_SOC_SAM9G45; - if (cidr == ARCH_ID_AT91SAM9G45ES) - at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES; - break; - - case ARCH_ID_AT91SAM9RL64: - at91_soc_initdata.type = AT91_SOC_SAM9RL; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - break; - - case ARCH_ID_AT91SAM9X5: - at91_soc_initdata.type = AT91_SOC_SAM9X5; - break; - - case ARCH_ID_AT91SAM9N12: - at91_soc_initdata.type = AT91_SOC_SAM9N12; - break; - - case ARCH_ID_SAMA5: - at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID); - if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) { - at91_soc_initdata.type = AT91_SOC_SAMA5D3; - } - break; - } - - /* at91sam9g10 */ - if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) { - at91_soc_initdata.type = AT91_SOC_SAM9G10; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - } - /* at91sam9xe */ - else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) { - at91_soc_initdata.type = AT91_SOC_SAM9260; - at91_soc_initdata.subtype = AT91_SOC_SAM9XE; - } - - if (!at91_soc_is_detected()) - return; - - at91_soc_initdata.cidr = cidr; - - /* sub version of soc */ - if (!at91_soc_initdata.exid) - at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID); - - if (at91_soc_initdata.type == AT91_SOC_SAM9G45) { - switch (at91_soc_initdata.exid) { - case ARCH_EXID_AT91SAM9M10: - at91_soc_initdata.subtype = AT91_SOC_SAM9M10; - break; - case ARCH_EXID_AT91SAM9G46: - at91_soc_initdata.subtype = AT91_SOC_SAM9G46; - break; - case ARCH_EXID_AT91SAM9M11: - at91_soc_initdata.subtype = AT91_SOC_SAM9M11; - break; - } - } - - if (at91_soc_initdata.type == AT91_SOC_SAM9X5) { - switch (at91_soc_initdata.exid) { - case ARCH_EXID_AT91SAM9G15: - at91_soc_initdata.subtype = AT91_SOC_SAM9G15; - break; - case ARCH_EXID_AT91SAM9G35: - at91_soc_initdata.subtype = AT91_SOC_SAM9G35; - break; - case ARCH_EXID_AT91SAM9X35: - at91_soc_initdata.subtype = AT91_SOC_SAM9X35; - break; - case ARCH_EXID_AT91SAM9G25: - at91_soc_initdata.subtype = AT91_SOC_SAM9G25; - break; - case ARCH_EXID_AT91SAM9X25: - at91_soc_initdata.subtype = AT91_SOC_SAM9X25; - break; - } - } - - if (at91_soc_initdata.type == AT91_SOC_SAMA5D3) { - switch (at91_soc_initdata.exid) { - case ARCH_EXID_SAMA5D31: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D31; - break; - case ARCH_EXID_SAMA5D33: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D33; - break; - case ARCH_EXID_SAMA5D34: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D34; - break; - case ARCH_EXID_SAMA5D35: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D35; - break; - case ARCH_EXID_SAMA5D36: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D36; - break; - } - } -} - -static void __init alt_soc_detect(u32 dbgu_base) -{ - u32 cidr, socid; - - /* SoC ID */ - cidr = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR); - socid = cidr & ~AT91_CIDR_VERSION; - - switch (socid) { - case ARCH_ID_SAMA5: - at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID); - if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) { - at91_soc_initdata.type = AT91_SOC_SAMA5D3; - } else if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D4) { - at91_soc_initdata.type = AT91_SOC_SAMA5D4; - } - break; - } - - if (!at91_soc_is_detected()) - return; - - at91_soc_initdata.cidr = cidr; - - /* sub version of soc */ - if (!at91_soc_initdata.exid) - at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID); - - if (at91_soc_initdata.type == AT91_SOC_SAMA5D4) { - switch (at91_soc_initdata.exid) { - case ARCH_EXID_SAMA5D41: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D41; - break; - case ARCH_EXID_SAMA5D42: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D42; - break; - case ARCH_EXID_SAMA5D43: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D43; - break; - case ARCH_EXID_SAMA5D44: - at91_soc_initdata.subtype = AT91_SOC_SAMA5D44; - break; - } - } -} - -static const char *soc_name[] = { - [AT91_SOC_RM9200] = "at91rm9200", - [AT91_SOC_SAM9260] = "at91sam9260", - [AT91_SOC_SAM9261] = "at91sam9261", - [AT91_SOC_SAM9263] = "at91sam9263", - [AT91_SOC_SAM9G10] = "at91sam9g10", - [AT91_SOC_SAM9G20] = "at91sam9g20", - [AT91_SOC_SAM9G45] = "at91sam9g45", - [AT91_SOC_SAM9RL] = "at91sam9rl", - [AT91_SOC_SAM9X5] = "at91sam9x5", - [AT91_SOC_SAM9N12] = "at91sam9n12", - [AT91_SOC_SAMA5D3] = "sama5d3", - [AT91_SOC_SAMA5D4] = "sama5d4", - [AT91_SOC_UNKNOWN] = "Unknown", -}; - -const char *at91_get_soc_type(struct at91_socinfo *c) -{ - return soc_name[c->type]; -} -EXPORT_SYMBOL(at91_get_soc_type); - -static const char *soc_subtype_name[] = { - [AT91_SOC_RM9200_BGA] = "at91rm9200 BGA", - [AT91_SOC_RM9200_PQFP] = "at91rm9200 PQFP", - [AT91_SOC_SAM9XE] = "at91sam9xe", - [AT91_SOC_SAM9G45ES] = "at91sam9g45es", - [AT91_SOC_SAM9M10] = "at91sam9m10", - [AT91_SOC_SAM9G46] = "at91sam9g46", - [AT91_SOC_SAM9M11] = "at91sam9m11", - [AT91_SOC_SAM9G15] = "at91sam9g15", - [AT91_SOC_SAM9G35] = "at91sam9g35", - [AT91_SOC_SAM9X35] = "at91sam9x35", - [AT91_SOC_SAM9G25] = "at91sam9g25", - [AT91_SOC_SAM9X25] = "at91sam9x25", - [AT91_SOC_SAMA5D31] = "sama5d31", - [AT91_SOC_SAMA5D33] = "sama5d33", - [AT91_SOC_SAMA5D34] = "sama5d34", - [AT91_SOC_SAMA5D35] = "sama5d35", - [AT91_SOC_SAMA5D36] = "sama5d36", - [AT91_SOC_SAMA5D41] = "sama5d41", - [AT91_SOC_SAMA5D42] = "sama5d42", - [AT91_SOC_SAMA5D43] = "sama5d43", - [AT91_SOC_SAMA5D44] = "sama5d44", - [AT91_SOC_SUBTYPE_NONE] = "None", - [AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown", -}; - -const char *at91_get_soc_subtype(struct at91_socinfo *c) -{ - return soc_subtype_name[c->subtype]; -} -EXPORT_SYMBOL(at91_get_soc_subtype); - -void __init at91_map_io(void) -{ - /* Map peripherals */ - iotable_init(&at91_io_desc, 1); - - at91_soc_initdata.type = AT91_SOC_UNKNOWN; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN; - - soc_detect(AT91_BASE_DBGU0); - if (!at91_soc_is_detected()) - soc_detect(AT91_BASE_DBGU1); - - if (!at91_soc_is_detected()) - panic(pr_fmt("Impossible to detect the SOC type")); - - pr_info("Detected soc type: %s\n", - at91_get_soc_type(&at91_soc_initdata)); - if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE) - pr_info("Detected soc subtype: %s\n", - at91_get_soc_subtype(&at91_soc_initdata)); -} - -void __init at91_alt_map_io(void) -{ - /* Map peripherals */ - iotable_init(&at91_alt_io_desc, 1); - - at91_soc_initdata.type = AT91_SOC_UNKNOWN; - at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN; - - alt_soc_detect(AT91_BASE_DBGU2); - if (!at91_soc_is_detected()) - panic("AT91: Impossible to detect the SOC type"); - - pr_info("AT91: Detected soc type: %s\n", - at91_get_soc_type(&at91_soc_initdata)); - if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE) - pr_info("AT91: Detected soc subtype: %s\n", - at91_get_soc_subtype(&at91_soc_initdata)); -} |