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Diffstat (limited to 'arch/arm/mach-at91/setup.c')
-rw-r--r--arch/arm/mach-at91/setup.c115
1 files changed, 92 insertions, 23 deletions
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 944bffb0899..f7a07a58ebb 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -10,6 +10,8 @@
#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>
@@ -17,11 +19,11 @@
#include <mach/hardware.h>
#include <mach/cpu.h>
#include <mach/at91_dbgu.h>
-#include <mach/at91_pmc.h>
-#include <mach/at91_shdwc.h>
+#include "at91_shdwc.h"
#include "soc.h"
#include "generic.h"
+#include "pm.h"
struct at91_init_soc __initdata at91_boot_soc;
@@ -47,7 +49,7 @@ void __init at91_init_irq_default(void)
void __init at91_init_interrupts(unsigned int *priority)
{
/* Initialize the AIC interrupt controller */
- at91_aic_init(priority);
+ at91_aic_init(priority, at91_boot_soc.extern_irq);
/* Enable GPIO interrupts */
at91_gpio_irq_setup();
@@ -73,13 +75,13 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
{
struct map_desc *desc = &sram_desc[bank];
- desc->virtual = AT91_IO_VIRT_BASE - length;
+ desc->virtual = (unsigned long)AT91_IO_VIRT_BASE - length;
if (bank > 0)
desc->virtual -= sram_desc[bank - 1].length;
desc->pfn = __phys_to_pfn(base);
desc->length = length;
- desc->type = MT_DEVICE;
+ desc->type = MT_MEMORY_RWX_NONCACHED;
pr_info("AT91: sram at 0x%lx of 0x%x mapped at 0x%lx\n",
base, length, desc->virtual);
@@ -87,8 +89,8 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
iotable_init(desc, 1);
}
-static struct map_desc at91_io_desc __initdata = {
- .virtual = AT91_VA_BASE_SYS,
+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,
@@ -104,26 +106,32 @@ static void __init soc_detect(u32 dbgu_base)
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;
at91_boot_soc = at91rm9200_soc;
break;
case ARCH_ID_AT91SAM9260:
at91_soc_initdata.type = AT91_SOC_SAM9260;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9260_soc;
break;
case ARCH_ID_AT91SAM9261:
at91_soc_initdata.type = AT91_SOC_SAM9261;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9261_soc;
break;
case ARCH_ID_AT91SAM9263:
at91_soc_initdata.type = AT91_SOC_SAM9263;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9263_soc;
break;
case ARCH_ID_AT91SAM9G20:
at91_soc_initdata.type = AT91_SOC_SAM9G20;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9260_soc;
break;
@@ -136,6 +144,7 @@ static void __init soc_detect(u32 dbgu_base)
case ARCH_ID_AT91SAM9RL64:
at91_soc_initdata.type = AT91_SOC_SAM9RL;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9rl_soc;
break;
@@ -148,11 +157,17 @@ static void __init soc_detect(u32 dbgu_base)
at91_soc_initdata.type = AT91_SOC_SAM9N12;
at91_boot_soc = at91sam9n12_soc;
break;
+
+ case ARCH_ID_SAMA5D3:
+ at91_soc_initdata.type = AT91_SOC_SAMA5D3;
+ at91_boot_soc = sama5d3_soc;
+ break;
}
/* at91sam9g10 */
- if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
+ if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
at91_soc_initdata.type = AT91_SOC_SAM9G10;
+ at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
at91_boot_soc = at91sam9261_soc;
}
/* at91sam9xe */
@@ -203,6 +218,26 @@ static void __init soc_detect(u32 dbgu_base)
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 const char *soc_name[] = {
@@ -216,7 +251,8 @@ static const char *soc_name[] = {
[AT91_SOC_SAM9RL] = "at91sam9rl",
[AT91_SOC_SAM9X5] = "at91sam9x5",
[AT91_SOC_SAM9N12] = "at91sam9n12",
- [AT91_SOC_NONE] = "Unknown"
+ [AT91_SOC_SAMA5D3] = "sama5d3",
+ [AT91_SOC_UNKNOWN] = "Unknown",
};
const char *at91_get_soc_type(struct at91_socinfo *c)
@@ -238,7 +274,13 @@ static const char *soc_subtype_name[] = {
[AT91_SOC_SAM9X35] = "at91sam9x35",
[AT91_SOC_SAM9G25] = "at91sam9g25",
[AT91_SOC_SAM9X25] = "at91sam9x25",
- [AT91_SOC_SUBTYPE_NONE] = "Unknown"
+ [AT91_SOC_SAMA5D31] = "sama5d31",
+ [AT91_SOC_SAMA5D33] = "sama5d33",
+ [AT91_SOC_SAMA5D34] = "sama5d34",
+ [AT91_SOC_SAMA5D35] = "sama5d35",
+ [AT91_SOC_SAMA5D36] = "sama5d36",
+ [AT91_SOC_SUBTYPE_NONE] = "None",
+ [AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown",
};
const char *at91_get_soc_subtype(struct at91_socinfo *c)
@@ -252,8 +294,8 @@ 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;
+ 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())
@@ -264,8 +306,9 @@ void __init at91_map_io(void)
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_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
+ 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");
@@ -308,7 +351,7 @@ void __init at91_ioremap_matrix(u32 base_addr)
panic("Impossible to ioremap at91_matrix_base\n");
}
-#if defined(CONFIG_OF)
+#if defined(CONFIG_OF) && !defined(CONFIG_ARCH_AT91X40)
static struct of_device_id rstc_ids[] = {
{ .compatible = "atmel,at91sam9260-rstc", .data = at91sam9_alt_restart },
{ .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart },
@@ -330,7 +373,7 @@ static void at91_dt_rstc(void)
of_id = of_match_node(rstc_ids, np);
if (!of_id)
- panic("AT91: rtsc no restart function availlable\n");
+ panic("AT91: rtsc no restart function available\n");
arm_pm_restart = of_id->data;
@@ -338,18 +381,20 @@ static void at91_dt_rstc(void)
}
static struct of_device_id ramc_ids[] = {
- { .compatible = "atmel,at91sam9260-sdramc" },
- { .compatible = "atmel,at91sam9g45-ddramc" },
+ { .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby },
+ { .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby },
+ { .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby },
{ /*sentinel*/ }
};
static void at91_dt_ramc(void)
{
struct device_node *np;
+ const struct of_device_id *of_id;
np = of_find_matching_node(NULL, ramc_ids);
if (!np)
- panic("unable to find compatible ram conroller node in dtb\n");
+ panic("unable to find compatible ram controller node in dtb\n");
at91_ramc_base[0] = of_iomap(np, 0);
if (!at91_ramc_base[0])
@@ -357,6 +402,12 @@ static void at91_dt_ramc(void)
/* the controller may have 2 banks */
at91_ramc_base[1] = of_iomap(np, 1);
+ of_id = of_match_node(ramc_ids, np);
+ if (!of_id)
+ pr_warn("AT91: ramc no standby function available\n");
+ else
+ at91_pm_set_standby(of_id->data);
+
of_node_put(np);
}
@@ -399,7 +450,7 @@ static void at91_dt_shdwc(void)
np = of_find_matching_node(NULL, shdwc_ids);
if (!np) {
- pr_debug("AT91: unable to find compatible shutdown (shdwc) conroller node in dtb\n");
+ pr_debug("AT91: unable to find compatible shutdown (shdwc) controller node in dtb\n");
return;
}
@@ -415,7 +466,7 @@ static void at91_dt_shdwc(void)
if (!of_property_read_u32(np, "atmel,wakeup-counter", &reg)) {
if (reg > AT91_SHDW_CPTWK0_MAX) {
- pr_warn("AT91: shdwc wakeup conter 0x%x > 0x%x reduce it to 0x%x\n",
+ pr_warn("AT91: shdwc wakeup counter 0x%x > 0x%x reduce it to 0x%x\n",
reg, AT91_SHDW_CPTWK0_MAX, AT91_SHDW_CPTWK0_MAX);
reg = AT91_SHDW_CPTWK0_MAX;
}
@@ -436,6 +487,20 @@ end:
of_node_put(np);
}
+void __init at91rm9200_dt_initialize(void)
+{
+ at91_dt_ramc();
+
+ /* Init clock subsystem */
+ at91_dt_clock_init();
+
+ /* Register the processor-specific clocks */
+ if (at91_boot_soc.register_clocks)
+ at91_boot_soc.register_clocks();
+
+ at91_boot_soc.init();
+}
+
void __init at91_dt_initialize(void)
{
at91_dt_rstc();
@@ -446,9 +511,11 @@ void __init at91_dt_initialize(void)
at91_dt_clock_init();
/* Register the processor-specific clocks */
- at91_boot_soc.register_clocks();
+ if (at91_boot_soc.register_clocks)
+ at91_boot_soc.register_clocks();
- at91_boot_soc.init();
+ if (at91_boot_soc.init)
+ at91_boot_soc.init();
}
#endif
@@ -463,4 +530,6 @@ void __init at91_initialize(unsigned long main_clock)
at91_boot_soc.register_clocks();
at91_boot_soc.init();
+
+ pinctrl_provide_dummies();
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 13:08:48 +0000