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-rw-r--r--arch/arm/mach-at91/at91cap9.c8
-rw-r--r--arch/arm/mach-at91/at91cap9_devices.c17
-rw-r--r--arch/arm/mach-at91/board-cap9adk.c5
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pmc.h7
-rw-r--r--arch/arm/mach-at91/include/mach/at91cap9.h4
-rw-r--r--arch/arm/mach-at91/include/mach/cpu.h15
-rw-r--r--drivers/rtc/rtc-at91sam9.c1
7 files changed, 49 insertions, 8 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index 0fc0adaebd5..0a38c69fdbc 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -17,6 +17,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+
+#include <mach/cpu.h>
#include <mach/at91cap9.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
@@ -317,6 +319,12 @@ void __init at91cap9_initialize(unsigned long main_clock)
/* Register GPIO subsystem */
at91_gpio_init(at91cap9_gpio, 4);
+
+ /* Remember the silicon revision */
+ if (cpu_is_at91cap9_revB())
+ system_rev = 0xB;
+ else if (cpu_is_at91cap9_revC())
+ system_rev = 0xC;
}
/* --------------------------------------------------------------------
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index 3a36182c50c..9eca2209cde 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -13,6 +13,7 @@
*/
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
@@ -21,6 +22,7 @@
#include <video/atmel_lcdc.h>
#include <mach/board.h>
+#include <mach/cpu.h>
#include <mach/gpio.h>
#include <mach/at91cap9.h>
#include <mach/at91cap9_matrix.h>
@@ -69,6 +71,9 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
if (!data)
return;
+ if (cpu_is_at91cap9_revB())
+ set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);
+
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
@@ -151,8 +156,13 @@ static struct platform_device at91_usba_udc_device = {
void __init at91_add_device_usba(struct usba_platform_data *data)
{
- at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
- AT91_MATRIX_UDPHS_BYPASS_LOCK);
+ if (cpu_is_at91cap9_revB()) {
+ set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH);
+ at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
+ AT91_MATRIX_UDPHS_BYPASS_LOCK);
+ }
+ else
+ at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS);
/*
* Invalid pins are 0 on AT91, but the usba driver is shared
@@ -850,6 +860,9 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
if (!data)
return;
+ if (cpu_is_at91cap9_revB())
+ set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH);
+
at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index 43b37bc91e5..83a1a0fef47 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -36,11 +36,9 @@
#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
-#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -376,10 +374,8 @@ static void __init cap9adk_board_init(void)
/* Serial */
at91_add_device_serial();
/* USB Host */
- set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);
at91_add_device_usbh(&cap9adk_usbh_data);
/* USB HS */
- set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH);
at91_add_device_usba(&cap9adk_usba_udc_data);
/* SPI */
at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
@@ -396,7 +392,6 @@ static void __init cap9adk_board_init(void)
/* I2C */
at91_add_device_i2c(NULL, 0);
/* LCD Controller */
- set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH);
at91_add_device_lcdc(&cap9adk_lcdc_data);
/* AC97 */
at91_add_device_ac97(&cap9adk_ac97_data);
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 2e3f2894b70..9561e33b8a9 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -23,6 +23,7 @@
#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
+#define AT91CAP9_PMC_DDR (1 << 2) /* DDR Clock [AT91CAP9 revC only] */
#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */
#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */
#define AT91CAP9_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91CAP9 only] */
@@ -102,10 +103,16 @@
#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */
#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */
#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [AT91CAP9 only] */
+#define AT91_PMC_OSCSEL (1 << 7) /* Slow Clock Oscillator [AT91CAP9 revC only] */
#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */
#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */
#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */
#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */
#define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */
+#define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Protect Register [AT91CAP9 revC only] */
+#define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */
+
+#define AT91_PMC_VER (AT91_PMC + 0xfc) /* PMC Module Version [AT91CAP9 only] */
+
#endif
diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h
index 4a4b64135a9..d8c1ededaa7 100644
--- a/arch/arm/mach-at91/include/mach/at91cap9.h
+++ b/arch/arm/mach-at91/include/mach/at91cap9.h
@@ -101,7 +101,9 @@
#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS)
#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
-#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
+#define AT91_GPBR (cpu_is_at91cap9_revB() ? \
+ (0xfffffd50 - AT91_BASE_SYS) : \
+ (0xfffffd60 - AT91_BASE_SYS))
#define AT91_USART0 AT91CAP9_BASE_US0
#define AT91_USART1 AT91CAP9_BASE_US1
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index dbfd9f73f80..c554c3e4d55 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -49,6 +49,17 @@ static inline unsigned long at91_arch_identify(void)
return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
}
+#ifdef CONFIG_ARCH_AT91CAP9
+#include <mach/at91_pmc.h>
+
+#define ARCH_REVISION_CAP9_B 0x399
+#define ARCH_REVISION_CAP9_C 0x601
+
+static inline unsigned long at91cap9_rev_identify(void)
+{
+ return (at91_sys_read(AT91_PMC_VER));
+}
+#endif
#ifdef CONFIG_ARCH_AT91RM9200
#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
@@ -90,8 +101,12 @@ static inline unsigned long at91_arch_identify(void)
#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)
#else
#define cpu_is_at91cap9() (0)
+#define cpu_is_at91cap9_revB() (0)
+#define cpu_is_at91cap9_revC() (0)
#endif
/*
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 2133f37906f..d5e4e637dde 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -21,6 +21,7 @@
#include <mach/board.h>
#include <mach/at91_rtt.h>
+#include <mach/cpu.h>
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 13:19:06 +0000