summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/at91cap9.c2
-rw-r--r--arch/arm/mach-at91/at91rm9200.c10
-rw-r--r--arch/arm/mach-at91/at91sam9260.c9
-rw-r--r--arch/arm/mach-at91/at91sam9261.c2
-rw-r--r--arch/arm/mach-at91/at91sam9263.c2
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c2
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c9
-rw-r--r--arch/arm/mach-at91/include/mach/cpu.h159
-rw-r--r--arch/arm/mach-at91/setup.c209
-rw-r--r--arch/arm/mach-at91/soc.h57
10 files changed, 341 insertions, 120 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index 9a013704378..6287c0dea47 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -403,7 +403,7 @@ static unsigned int at91cap9_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller (IRQ1) */
};
-struct at91_soc __initdata at91cap9_soc = {
+struct at91_init_soc __initdata at91cap9_soc = {
.map_io = at91cap9_map_io,
.default_irq_priority = at91cap9_default_irq_priority,
.init = at91cap9_initialize,
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index d7801bed9af..36d37bd49cb 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -300,14 +300,6 @@ static void at91rm9200_reset(void)
at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
}
-int rm9200_type;
-EXPORT_SYMBOL(rm9200_type);
-
-void __init at91rm9200_set_type(int type)
-{
- rm9200_type = type;
-}
-
/* --------------------------------------------------------------------
* AT91RM9200 processor initialization
* -------------------------------------------------------------------- */
@@ -379,7 +371,7 @@ static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
0 /* Advanced Interrupt Controller (IRQ6) */
};
-struct at91_soc __initdata at91rm9200_soc = {
+struct at91_init_soc __initdata at91rm9200_soc = {
.map_io = at91rm9200_map_io,
.default_irq_priority = at91rm9200_default_irq_priority,
.init = at91rm9200_initialize,
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 57974b19d7a..8a6b9aa1dd9 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -17,6 +17,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
#include <mach/at91sam9260.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
@@ -322,11 +323,9 @@ static void at91sam9260_poweroff(void)
static void __init at91sam9xe_map_io(void)
{
- unsigned long cidr, sram_size;
+ unsigned long sram_size;
- cidr = dbgu_readl(AT91_DBGU, CIDR);
-
- switch (cidr & AT91_CIDR_SRAMSIZ) {
+ switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
case AT91_CIDR_SRAMSIZ_32K:
sram_size = 2 * SZ_16K;
break;
@@ -410,7 +409,7 @@ static unsigned int at91sam9260_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller */
};
-struct at91_soc __initdata at91sam9260_soc = {
+struct at91_init_soc __initdata at91sam9260_soc = {
.map_io = at91sam9260_map_io,
.default_irq_priority = at91sam9260_default_irq_priority,
.init = at91sam9260_initialize,
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 7a4a673eede..f6a2b30884e 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -361,7 +361,7 @@ static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller */
};
-struct at91_soc __initdata at91sam9261_soc = {
+struct at91_init_soc __initdata at91sam9261_soc = {
.map_io = at91sam9261_map_io,
.default_irq_priority = at91sam9261_default_irq_priority,
.init = at91sam9261_initialize,
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 3140a13abc4..7245a8e112e 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -372,7 +372,7 @@ static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller (IRQ1) */
};
-struct at91_soc __initdata at91sam9263_soc = {
+struct at91_init_soc __initdata at91sam9263_soc = {
.map_io = at91sam9263_map_io,
.default_irq_priority = at91sam9263_default_irq_priority,
.init = at91sam9263_initialize,
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index f5e72da65ce..57a472633cd 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -388,7 +388,7 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller (IRQ0) */
};
-struct at91_soc __initdata at91sam9g45_soc = {
+struct at91_init_soc __initdata at91sam9g45_soc = {
.map_io = at91sam9g45_map_io,
.default_irq_priority = at91sam9g45_default_irq_priority,
.init = at91sam9g45_initialize,
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 0788adb1b53..b83098c1db1 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -16,6 +16,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
#include <mach/at91sam9rl.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
@@ -281,11 +282,9 @@ static void at91sam9rl_poweroff(void)
static void __init at91sam9rl_map_io(void)
{
- unsigned long cidr, sram_size;
+ unsigned long sram_size;
- cidr = dbgu_readl(AT91_DBGU, CIDR);
-
- switch (cidr & AT91_CIDR_SRAMSIZ) {
+ switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
case AT91_CIDR_SRAMSIZ_32K:
sram_size = 2 * SZ_16K;
break;
@@ -359,7 +358,7 @@ static unsigned int at91sam9rl_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller */
};
-struct at91_soc __initdata at91sam9rl_soc = {
+struct at91_init_soc __initdata at91sam9rl_soc = {
.map_io = at91sam9rl_map_io,
.default_irq_priority = at91sam9rl_default_irq_priority,
.init = at91sam9rl_initialize,
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index 3cf69198f8a..f6ce936dba2 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -1,7 +1,8 @@
/*
* arch/arm/mach-at91/include/mach/cpu.h
*
- * Copyright (C) 2006 SAN People
+ * Copyright (C) 2006 SAN People
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@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
@@ -10,12 +11,8 @@
*
*/
-#ifndef __ASM_ARCH_CPU_H
-#define __ASM_ARCH_CPU_H
-
-#include <mach/hardware.h>
-#include <mach/at91_dbgu.h>
-
+#ifndef __MACH_CPU_H__
+#define __MACH_CPU_H__
#define ARCH_ID_AT91RM9200 0x09290780
#define ARCH_ID_AT91SAM9260 0x019803a0
@@ -39,16 +36,6 @@
#define ARCH_ID_AT91M40807 0x14080745
#define ARCH_ID_AT91R40008 0x44000840
-static inline unsigned long at91_cpu_identify(void)
-{
- return (dbgu_readl(AT91_DBGU, CIDR) & ~AT91_CIDR_VERSION);
-}
-
-static inline unsigned long at91_cpu_fully_identify(void)
-{
- return dbgu_readl(AT91_DBGU, CIDR);
-}
-
#define ARCH_EXID_AT91SAM9M11 0x00000001
#define ARCH_EXID_AT91SAM9M10 0x00000002
#define ARCH_EXID_AT91SAM9G46 0x00000003
@@ -60,40 +47,80 @@ static inline unsigned long at91_cpu_fully_identify(void)
#define ARCH_EXID_AT91SAM9G25 0x00000003
#define ARCH_EXID_AT91SAM9X25 0x00000004
-static inline unsigned long at91_exid_identify(void)
-{
- return dbgu_readl(AT91_DBGU, EXID);
-}
-
-
#define ARCH_FAMILY_AT91X92 0x09200000
#define ARCH_FAMILY_AT91SAM9 0x01900000
#define ARCH_FAMILY_AT91SAM9XE 0x02900000
-static inline unsigned long at91_arch_identify(void)
-{
- return (dbgu_readl(AT91_DBGU, CIDR) & AT91_CIDR_ARCH);
-}
-
-#ifdef CONFIG_ARCH_AT91CAP9
-#include <mach/at91_pmc.h>
-
+/* PMC revision */
#define ARCH_REVISION_CAP9_B 0x399
#define ARCH_REVISION_CAP9_C 0x601
-static inline unsigned long at91cap9_rev_identify(void)
+/* RM9200 type */
+#define ARCH_REVISON_9200_BGA (0 << 0)
+#define ARCH_REVISON_9200_PQFP (1 << 0)
+
+enum at91_soc_type {
+ /* 920T */
+ AT91_SOC_RM9200,
+
+ /* CAP */
+ AT91_SOC_CAP9,
+
+ /* 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,
+
+ /* Unknown type */
+ AT91_SOC_NONE
+};
+
+enum at91_soc_subtype {
+ /* RM9200 */
+ AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP,
+
+ /* CAP9 */
+ AT91_SOC_CAP9_REV_B, AT91_SOC_CAP9_REV_C,
+
+ /* 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,
+
+ /* Unknown subtype */
+ AT91_SOC_SUBTYPE_NONE
+};
+
+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_sys_read(AT91_PMC_VER));
+ return at91_soc_initdata.type != AT91_SOC_NONE;
}
-#endif
#ifdef CONFIG_ARCH_AT91RM9200
-extern int rm9200_type;
-#define ARCH_REVISON_9200_BGA (0 << 0)
-#define ARCH_REVISON_9200_PQFP (1 << 0)
-#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
-#define cpu_is_at91rm9200_bga() (!cpu_is_at91rm9200_pqfp())
-#define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP)
+#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)
@@ -101,52 +128,49 @@ extern int rm9200_type;
#endif
#ifdef CONFIG_ARCH_AT91SAM9260
-#define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
-#define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
+#define cpu_is_at91sam9xe() (at91_soc_initdata.subtype == AT91_SOC_SAM9XE)
+#define cpu_is_at91sam9260() (at91_soc_initdata.type == AT91_SOC_SAM9260)
#else
#define cpu_is_at91sam9xe() (0)
#define cpu_is_at91sam9260() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9G20
-#define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20)
+#define cpu_is_at91sam9g20() (at91_soc_initdata.type == AT91_SOC_SAM9G20)
#else
#define cpu_is_at91sam9g20() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9261
-#define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261)
+#define cpu_is_at91sam9261() (at91_soc_initdata.type == AT91_SOC_SAM9261)
#else
#define cpu_is_at91sam9261() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9G10
-#define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10)
+#define cpu_is_at91sam9g10() (at91_soc_initdata.type == AT91_SOC_SAM9G10)
#else
#define cpu_is_at91sam9g10() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9263
-#define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263)
+#define cpu_is_at91sam9263() (at91_soc_initdata.type == AT91_SOC_SAM9263)
#else
#define cpu_is_at91sam9263() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9RL
-#define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
+#define cpu_is_at91sam9rl() (at91_soc_initdata.type == AT91_SOC_SAM9RL)
#else
#define cpu_is_at91sam9rl() (0)
#endif
#ifdef CONFIG_ARCH_AT91SAM9G45
-#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
-#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
-#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
-#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
-#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
+#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)
@@ -156,17 +180,12 @@ extern int rm9200_type;
#endif
#ifdef CONFIG_ARCH_AT91SAM9X5
-#define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5)
-#define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9G15))
-#define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9G35))
-#define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9X35))
-#define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9G25))
-#define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \
- (at91_exid_identify() == ARCH_EXID_AT91SAM9X25))
+#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)
@@ -177,9 +196,9 @@ extern int rm9200_type;
#endif
#ifdef CONFIG_ARCH_AT91CAP9
-#define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9)
-#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
-#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
+#define cpu_is_at91cap9() (at91_soc_initdata.type == AT91_SOC_CAP9)
+#define cpu_is_at91cap9_revB() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_B)
+#define cpu_is_at91cap9_revC() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_C)
#else
#define cpu_is_at91cap9() (0)
#define cpu_is_at91cap9_revB() (0)
@@ -192,4 +211,4 @@ extern int rm9200_type;
*/
#define cpu_is_at32ap7000() (0)
-#endif
+#endif /* __MACH_CPU_H__ */
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 8962d9a1a8f..9ea41838f5d 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -12,11 +12,24 @@
#include <mach/hardware.h>
#include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
+#include <mach/at91_pmc.h>
#include "soc.h"
#include "generic.h"
-struct at91_soc __initdata at91_boot_soc;
+struct at91_init_soc __initdata at91_boot_soc;
+
+struct at91_socinfo at91_soc_initdata;
+EXPORT_SYMBOL(at91_soc_initdata);
+
+void __init at91rm9200_set_type(int type)
+{
+ if (type == ARCH_REVISON_9200_PQFP)
+ at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
+ else
+ at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP;
+}
void __init at91_init_irq_default(void)
{
@@ -39,33 +52,195 @@ static struct map_desc at91_io_desc __initdata = {
.type = MT_DEVICE,
};
-void __init at91_map_io(void)
+#define AT91_DBGU0 0xfffff200
+#define AT91_DBGU1 0xffffee00
+
+static void __init soc_detect(u32 dbgu_base)
{
- /* Map peripherals */
- iotable_init(&at91_io_desc, 1);
+ u32 cidr, socid;
+
+ cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
+ socid = cidr & ~AT91_CIDR_VERSION;
- if (cpu_is_at91cap9())
+ switch (socid) {
+ case ARCH_ID_AT91CAP9: {
+#ifdef CONFIG_AT91_PMC_UNIT
+ u32 pmc_ver = at91_sys_read(AT91_PMC_VER);
+
+ if (pmc_ver == ARCH_REVISION_CAP9_B)
+ at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_B;
+ else if (pmc_ver == ARCH_REVISION_CAP9_C)
+ at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_C;
+#endif
+ at91_soc_initdata.type = AT91_SOC_CAP9;
at91_boot_soc = at91cap9_soc;
- else if (cpu_is_at91rm9200())
+ break;
+ }
+
+ case ARCH_ID_AT91RM9200:
+ at91_soc_initdata.type = AT91_SOC_RM9200;
at91_boot_soc = at91rm9200_soc;
- else if (cpu_is_at91sam9260())
+ break;
+
+ case ARCH_ID_AT91SAM9260:
+ at91_soc_initdata.type = AT91_SOC_SAM9260;
at91_boot_soc = at91sam9260_soc;
- else if (cpu_is_at91sam9261())
+ break;
+
+ case ARCH_ID_AT91SAM9261:
+ at91_soc_initdata.type = AT91_SOC_SAM9261;
at91_boot_soc = at91sam9261_soc;
- else if (cpu_is_at91sam9263())
+ break;
+
+ case ARCH_ID_AT91SAM9263:
+ at91_soc_initdata.type = AT91_SOC_SAM9263;
at91_boot_soc = at91sam9263_soc;
- else if (cpu_is_at91sam9g10())
- at91_boot_soc = at91sam9261_soc;
- else if (cpu_is_at91sam9g20())
+ break;
+
+ case ARCH_ID_AT91SAM9G20:
+ at91_soc_initdata.type = AT91_SOC_SAM9G20;
at91_boot_soc = at91sam9260_soc;
- else if (cpu_is_at91sam9g45())
+ break;
+
+ case ARCH_ID_AT91SAM9G45:
+ at91_soc_initdata.type = AT91_SOC_SAM9G45;
+ if (cidr == ARCH_ID_AT91SAM9G45ES)
+ at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES;
at91_boot_soc = at91sam9g45_soc;
- else if (cpu_is_at91sam9rl())
+ break;
+
+ case ARCH_ID_AT91SAM9RL64:
+ at91_soc_initdata.type = AT91_SOC_SAM9RL;
at91_boot_soc = at91sam9rl_soc;
- else if (cpu_is_at91sam9x5())
+ break;
+
+ case ARCH_ID_AT91SAM9X5:
+ at91_soc_initdata.type = AT91_SOC_SAM9X5;
at91_boot_soc = at91sam9x5_soc;
- else
- panic("Impossible to detect the SOC type");
+ break;
+ }
+
+ /* at91sam9g10 */
+ if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
+ at91_soc_initdata.type = AT91_SOC_SAM9G10;
+ at91_boot_soc = at91sam9261_soc;
+ }
+ /* at91sam9xe */
+ else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) {
+ at91_soc_initdata.type = AT91_SOC_SAM9260;
+ at91_soc_initdata.subtype = AT91_SOC_SAM9XE;
+ at91_boot_soc = at91sam9260_soc;
+ }
+
+ if (!at91_soc_is_detected())
+ return;
+
+ at91_soc_initdata.cidr = cidr;
+
+ /* sub version of soc */
+ 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;
+ }
+ }
+}
+
+static const char *soc_name[] = {
+ [AT91_SOC_RM9200] = "at91rm9200",
+ [AT91_SOC_CAP9] = "at91cap9",
+ [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_NONE] = "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_CAP9_REV_B] = "at91cap9 revB",
+ [AT91_SOC_CAP9_REV_C] = "at91cap9 revC",
+ [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_SUBTYPE_NONE] = "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_NONE;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
+
+ soc_detect(AT91_DBGU0);
+ if (!at91_soc_is_detected())
+ soc_detect(AT91_DBGU1);
+
+ 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));
+ pr_info("AT91: Detected soc subtype: %s\n",
+ at91_get_soc_subtype(&at91_soc_initdata));
+
+ if (!at91_soc_is_enabled())
+ panic("AT91: Soc not enabled");
if (at91_boot_soc.map_io)
at91_boot_soc.map_io();
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
index 99afa7c90d6..9de7be4037c 100644
--- a/arch/arm/mach-at91/soc.h
+++ b/arch/arm/mach-at91/soc.h
@@ -4,18 +4,55 @@
* Under GPLv2
*/
-struct at91_soc {
+struct at91_init_soc {
unsigned int *default_irq_priority;
void (*map_io)(void);
void (*init)(unsigned long main_clock);
};
-extern struct at91_soc at91_boot_soc;
-extern struct at91_soc at91cap9_soc;
-extern struct at91_soc at91rm9200_soc;
-extern struct at91_soc at91sam9260_soc;
-extern struct at91_soc at91sam9261_soc;
-extern struct at91_soc at91sam9263_soc;
-extern struct at91_soc at91sam9g45_soc;
-extern struct at91_soc at91sam9rl_soc;
-extern struct at91_soc at91sam9x5_soc;
+extern struct at91_init_soc at91_boot_soc;
+extern struct at91_init_soc at91cap9_soc;
+extern struct at91_init_soc at91rm9200_soc;
+extern struct at91_init_soc at91sam9260_soc;
+extern struct at91_init_soc at91sam9261_soc;
+extern struct at91_init_soc at91sam9263_soc;
+extern struct at91_init_soc at91sam9g45_soc;
+extern struct at91_init_soc at91sam9rl_soc;
+extern struct at91_init_soc at91sam9x5_soc;
+
+static inline int at91_soc_is_enabled(void)
+{
+ return at91_boot_soc.init != NULL;
+}
+
+#if !defined(CONFIG_ARCH_AT91CAP9)
+#define at91cap9_soc at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91RM9200)
+#define at91rm9200_soc at91_boot_soc
+#endif
+
+#if !(defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20))
+#define at91sam9260_soc at91_boot_soc
+#endif
+
+#if !(defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10))
+#define at91sam9261_soc at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9263)
+#define at91sam9263_soc at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9G45)
+#define at91sam9g45_soc at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9RL)
+#define at91sam9rl_soc at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9X5)
+#define at91sam9x5_soc at91_boot_soc
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 13:54:17 +0000