The old initialization is not used anymore, remove it. Also remove now unused cpu.h and at91_dbgu.h
Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com> --- arch/arm/mach-at91/generic.h | 4 - arch/arm/mach-at91/include/mach/at91_dbgu.h | 63 ------ arch/arm/mach-at91/include/mach/at91_ramc.h | 6 - arch/arm/mach-at91/include/mach/at91sam9_smc.h | 2 - arch/arm/mach-at91/include/mach/cpu.h | 240 -------------------- arch/arm/mach-at91/pm.c | 5 +- arch/arm/mach-at91/setup.c | 301 ------------------------- 7 files changed, 4 insertions(+), 617 deletions(-) delete mode 100644 arch/arm/mach-at91/include/mach/at91_dbgu.h delete mode 100644 arch/arm/mach-at91/include/mach/cpu.h diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 1e60faec2eba..881e73a27fab 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -14,10 +14,6 @@ #include <linux/of.h> #include <linux/reboot.h> - /* Map io */ -extern void __init at91_map_io(void); -extern void __init at91_alt_map_io(void); - /* Processors */ extern void __init at91_dt_initialize(void); diff --git a/arch/arm/mach-at91/include/mach/at91_dbgu.h b/arch/arm/mach-at91/include/mach/at91_dbgu.h deleted file mode 100644 index 42925e8f78e4..000000000000 --- a/arch/arm/mach-at91/include/mach/at91_dbgu.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91_dbgu.h - * - * Copyright (C) 2005 Ivan Kokshaysky - * Copyright (C) SAN People - * - * Debug Unit (DBGU) - System peripherals registers. - * Based on AT91RM9200 datasheet revision E. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef AT91_DBGU_H -#define AT91_DBGU_H - -#define AT91_DBGU_CR (0x00) /* Control Register */ -#define AT91_DBGU_MR (0x04) /* Mode Register */ -#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */ -#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ -#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ -#define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */ -#define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */ -#define AT91_DBGU_SR (0x14) /* Status Register */ -#define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */ -#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */ -#define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */ - -#define AT91_DBGU_CIDR (0x40) /* Chip ID Register */ -#define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */ -#define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */ -#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */ - -/* - * Some AT91 parts that don't have full DEBUG units still support the ID - * and extensions register. - */ -#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */ -#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */ -#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */ -#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */ -#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */ -#define AT91_CIDR_SRAMSIZ_1K (1 << 16) -#define AT91_CIDR_SRAMSIZ_2K (2 << 16) -#define AT91_CIDR_SRAMSIZ_112K (4 << 16) -#define AT91_CIDR_SRAMSIZ_4K (5 << 16) -#define AT91_CIDR_SRAMSIZ_80K (6 << 16) -#define AT91_CIDR_SRAMSIZ_160K (7 << 16) -#define AT91_CIDR_SRAMSIZ_8K (8 << 16) -#define AT91_CIDR_SRAMSIZ_16K (9 << 16) -#define AT91_CIDR_SRAMSIZ_32K (10 << 16) -#define AT91_CIDR_SRAMSIZ_64K (11 << 16) -#define AT91_CIDR_SRAMSIZ_128K (12 << 16) -#define AT91_CIDR_SRAMSIZ_256K (13 << 16) -#define AT91_CIDR_SRAMSIZ_96K (14 << 16) -#define AT91_CIDR_SRAMSIZ_512K (15 << 16) -#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */ -#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */ -#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */ - -#endif diff --git a/arch/arm/mach-at91/include/mach/at91_ramc.h b/arch/arm/mach-at91/include/mach/at91_ramc.h index e4492b151fee..80431ece8a54 100644 --- a/arch/arm/mach-at91/include/mach/at91_ramc.h +++ b/arch/arm/mach-at91/include/mach/at91_ramc.h @@ -9,17 +9,11 @@ #ifndef __AT91_RAMC_H__ #define __AT91_RAMC_H__ -#ifndef __ASSEMBLY__ -extern void __iomem *at91_ramc_base[]; - #define at91_ramc_read(id, field) \ __raw_readl(at91_ramc_base[id] + field) #define at91_ramc_write(id, field, value) \ __raw_writel(value, at91_ramc_base[id] + field) -#else -.extern at91_ramc_base -#endif #define AT91_MEMCTRL_MC 0 #define AT91_MEMCTRL_SDRAMC 1 diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h index 175e1fdd9fe8..ff54a0ce90e3 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9_smc.h +++ b/arch/arm/mach-at91/include/mach/at91sam9_smc.h @@ -16,8 +16,6 @@ #ifndef AT91SAM9_SMC_H #define AT91SAM9_SMC_H -#include <mach/cpu.h> - #ifndef __ASSEMBLY__ struct sam9_smc_config { /* Setup register */ diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h deleted file mode 100644 index 61914fb35f5d..000000000000 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ /dev/null @@ -1,240 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/cpu.h - * - * Copyright (C) 2006 SAN People - * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ - -#ifndef __MACH_CPU_H__ -#define __MACH_CPU_H__ - -#define ARCH_ID_AT91RM9200 0x09290780 -#define ARCH_ID_AT91SAM9260 0x019803a0 -#define ARCH_ID_AT91SAM9261 0x019703a0 -#define ARCH_ID_AT91SAM9263 0x019607a0 -#define ARCH_ID_AT91SAM9G10 0x019903a0 -#define ARCH_ID_AT91SAM9G20 0x019905a0 -#define ARCH_ID_AT91SAM9RL64 0x019b03a0 -#define ARCH_ID_AT91SAM9G45 0x819b05a0 -#define ARCH_ID_AT91SAM9G45MRL 0x819b05a2 /* aka 9G45-ES2 & non ES lots */ -#define ARCH_ID_AT91SAM9G45ES 0x819b05a1 /* 9G45-ES (Engineering Sample) */ -#define ARCH_ID_AT91SAM9X5 0x819a05a0 -#define ARCH_ID_AT91SAM9N12 0x819a07a0 - -#define ARCH_ID_AT91SAM9XE128 0x329973a0 -#define ARCH_ID_AT91SAM9XE256 0x329a93a0 -#define ARCH_ID_AT91SAM9XE512 0x329aa3a0 - -#define ARCH_ID_AT91M40800 0x14080044 -#define ARCH_ID_AT91R40807 0x44080746 -#define ARCH_ID_AT91M40807 0x14080745 -#define ARCH_ID_AT91R40008 0x44000840 - -#define ARCH_ID_SAMA5 0x8A5C07C0 - -#define ARCH_EXID_AT91SAM9M11 0x00000001 -#define ARCH_EXID_AT91SAM9M10 0x00000002 -#define ARCH_EXID_AT91SAM9G46 0x00000003 -#define ARCH_EXID_AT91SAM9G45 0x00000004 - -#define ARCH_EXID_AT91SAM9G15 0x00000000 -#define ARCH_EXID_AT91SAM9G35 0x00000001 -#define ARCH_EXID_AT91SAM9X35 0x00000002 -#define ARCH_EXID_AT91SAM9G25 0x00000003 -#define ARCH_EXID_AT91SAM9X25 0x00000004 - -#define ARCH_EXID_SAMA5D3 0x00004300 -#define ARCH_EXID_SAMA5D31 0x00444300 -#define ARCH_EXID_SAMA5D33 0x00414300 -#define ARCH_EXID_SAMA5D34 0x00414301 -#define ARCH_EXID_SAMA5D35 0x00584300 -#define ARCH_EXID_SAMA5D36 0x00004301 - -#define ARCH_EXID_SAMA5D4 0x00000007 -#define ARCH_EXID_SAMA5D41 0x00000001 -#define ARCH_EXID_SAMA5D42 0x00000002 -#define ARCH_EXID_SAMA5D43 0x00000003 -#define ARCH_EXID_SAMA5D44 0x00000004 - -#define ARCH_FAMILY_AT91SAM9 0x01900000 -#define ARCH_FAMILY_AT91SAM9XE 0x02900000 - -/* RM9200 type */ -#define ARCH_REVISON_9200_BGA (0 << 0) -#define ARCH_REVISON_9200_PQFP (1 << 0) - -#ifndef __ASSEMBLY__ -enum at91_soc_type { - /* 920T */ - AT91_SOC_RM9200, - - /* SAM92xx */ - AT91_SOC_SAM9260, AT91_SOC_SAM9261, AT91_SOC_SAM9263, - - /* SAM9Gxx */ - AT91_SOC_SAM9G10, AT91_SOC_SAM9G20, AT91_SOC_SAM9G45, - - /* SAM9RL */ - AT91_SOC_SAM9RL, - - /* SAM9X5 */ - AT91_SOC_SAM9X5, - - /* SAM9N12 */ - AT91_SOC_SAM9N12, - - /* SAMA5D3 */ - AT91_SOC_SAMA5D3, - - /* SAMA5D4 */ - AT91_SOC_SAMA5D4, - - /* Unknown type */ - AT91_SOC_UNKNOWN, -}; - -enum at91_soc_subtype { - /* RM9200 */ - AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP, - - /* SAM9260 */ - AT91_SOC_SAM9XE, - - /* SAM9G45 */ - AT91_SOC_SAM9G45ES, AT91_SOC_SAM9M10, AT91_SOC_SAM9G46, AT91_SOC_SAM9M11, - - /* SAM9X5 */ - AT91_SOC_SAM9G15, AT91_SOC_SAM9G35, AT91_SOC_SAM9X35, - AT91_SOC_SAM9G25, AT91_SOC_SAM9X25, - - /* SAMA5D3 */ - AT91_SOC_SAMA5D31, AT91_SOC_SAMA5D33, AT91_SOC_SAMA5D34, - AT91_SOC_SAMA5D35, AT91_SOC_SAMA5D36, - - /* SAMA5D4 */ - AT91_SOC_SAMA5D41, AT91_SOC_SAMA5D42, AT91_SOC_SAMA5D43, - AT91_SOC_SAMA5D44, - - /* No subtype for this SoC */ - AT91_SOC_SUBTYPE_NONE, - - /* Unknown subtype */ - AT91_SOC_SUBTYPE_UNKNOWN, -}; - -struct at91_socinfo { - unsigned int type, subtype; - unsigned int cidr, exid; -}; - -extern struct at91_socinfo at91_soc_initdata; -const char *at91_get_soc_type(struct at91_socinfo *c); -const char *at91_get_soc_subtype(struct at91_socinfo *c); - -static inline int at91_soc_is_detected(void) -{ - return at91_soc_initdata.type != AT91_SOC_UNKNOWN; -} - -#ifdef CONFIG_SOC_AT91RM9200 -#define cpu_is_at91rm9200() (at91_soc_initdata.type == AT91_SOC_RM9200) -#define cpu_is_at91rm9200_bga() (at91_soc_initdata.subtype == AT91_SOC_RM9200_BGA) -#define cpu_is_at91rm9200_pqfp() (at91_soc_initdata.subtype == AT91_SOC_RM9200_PQFP) -#else -#define cpu_is_at91rm9200() (0) -#define cpu_is_at91rm9200_bga() (0) -#define cpu_is_at91rm9200_pqfp() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9260 -#define cpu_is_at91sam9xe() (at91_soc_initdata.subtype == AT91_SOC_SAM9XE) -#define cpu_is_at91sam9260() (at91_soc_initdata.type == AT91_SOC_SAM9260) -#define cpu_is_at91sam9g20() (at91_soc_initdata.type == AT91_SOC_SAM9G20) -#else -#define cpu_is_at91sam9xe() (0) -#define cpu_is_at91sam9260() (0) -#define cpu_is_at91sam9g20() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9261 -#define cpu_is_at91sam9261() (at91_soc_initdata.type == AT91_SOC_SAM9261) -#define cpu_is_at91sam9g10() (at91_soc_initdata.type == AT91_SOC_SAM9G10) -#else -#define cpu_is_at91sam9261() (0) -#define cpu_is_at91sam9g10() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9263 -#define cpu_is_at91sam9263() (at91_soc_initdata.type == AT91_SOC_SAM9263) -#else -#define cpu_is_at91sam9263() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9RL -#define cpu_is_at91sam9rl() (at91_soc_initdata.type == AT91_SOC_SAM9RL) -#else -#define cpu_is_at91sam9rl() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9G45 -#define cpu_is_at91sam9g45() (at91_soc_initdata.type == AT91_SOC_SAM9G45) -#define cpu_is_at91sam9g45es() (at91_soc_initdata.subtype == AT91_SOC_SAM9G45ES) -#define cpu_is_at91sam9m10() (at91_soc_initdata.subtype == AT91_SOC_SAM9M10) -#define cpu_is_at91sam9g46() (at91_soc_initdata.subtype == AT91_SOC_SAM9G46) -#define cpu_is_at91sam9m11() (at91_soc_initdata.subtype == AT91_SOC_SAM9M11) -#else -#define cpu_is_at91sam9g45() (0) -#define cpu_is_at91sam9g45es() (0) -#define cpu_is_at91sam9m10() (0) -#define cpu_is_at91sam9g46() (0) -#define cpu_is_at91sam9m11() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9X5 -#define cpu_is_at91sam9x5() (at91_soc_initdata.type == AT91_SOC_SAM9X5) -#define cpu_is_at91sam9g15() (at91_soc_initdata.subtype == AT91_SOC_SAM9G15) -#define cpu_is_at91sam9g35() (at91_soc_initdata.subtype == AT91_SOC_SAM9G35) -#define cpu_is_at91sam9x35() (at91_soc_initdata.subtype == AT91_SOC_SAM9X35) -#define cpu_is_at91sam9g25() (at91_soc_initdata.subtype == AT91_SOC_SAM9G25) -#define cpu_is_at91sam9x25() (at91_soc_initdata.subtype == AT91_SOC_SAM9X25) -#else -#define cpu_is_at91sam9x5() (0) -#define cpu_is_at91sam9g15() (0) -#define cpu_is_at91sam9g35() (0) -#define cpu_is_at91sam9x35() (0) -#define cpu_is_at91sam9g25() (0) -#define cpu_is_at91sam9x25() (0) -#endif - -#ifdef CONFIG_SOC_AT91SAM9N12 -#define cpu_is_at91sam9n12() (at91_soc_initdata.type == AT91_SOC_SAM9N12) -#else -#define cpu_is_at91sam9n12() (0) -#endif - -#ifdef CONFIG_SOC_SAMA5D3 -#define cpu_is_sama5d3() (at91_soc_initdata.type == AT91_SOC_SAMA5D3) -#else -#define cpu_is_sama5d3() (0) -#endif - -#ifdef CONFIG_SOC_SAMA5D4 -#define cpu_is_sama5d4() (at91_soc_initdata.type == AT91_SOC_SAMA5D4) -#else -#define cpu_is_sama5d4() (0) -#endif - -/* - * Since this is ARM, we will never run on any AVR32 CPU. But these - * definitions may reduce clutter in common drivers. - */ -#define cpu_is_at32ap7000() (0) -#endif /* __ASSEMBLY__ */ - -#endif /* __MACH_CPU_H__ */ diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 778f11132b31..11bf992838af 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -19,6 +19,7 @@ #include <linux/sysfs.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -29,10 +30,12 @@ #include <asm/mach/time.h> #include <asm/mach/irq.h> -#include <mach/cpu.h> #include <mach/hardware.h> #include "generic.h" + +static void __iomem *at91_ramc_base[2]; + #include "pm.h" static struct { diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 42ebe8d41433..4036e3e0ff96 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -7,321 +7,20 @@ #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); - void __iomem *at91_ramc_base[2]; EXPORT_SYMBOL_GPL(at91_ramc_base); -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)); -} - static struct of_device_id ramc_ids[] = { { .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby }, { .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby }, -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/