[ARM] 3960/1: AT91: Final SAM9 intergration patches.
This patch includes a number of small changes for integrating the
AT91SAM9261 and AT91SAM0260 support.
* Can only select support for one AT91 processor at a time.
* Remove most of the remaining static memory mapping for the
AT91RM9200.
* Reserve 1Mb of memory below the IO for mapping the internal SRAM
and any custom board-specific devices (ie, FPGA).
* The SAM9260 has more serial ports, so increase the maximum to 7.
* Define the standard chipselect addresses, and define other
addresses relative to those.
* CLOCK_TICK_RATE is different on the SAM926x's.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91rm9200/Kconfig b/arch/arm/mach-at91rm9200/Kconfig
index 2f85e86..8d44326 100644
--- a/arch/arm/mach-at91rm9200/Kconfig
+++ b/arch/arm/mach-at91rm9200/Kconfig
@@ -2,7 +2,8 @@
menu "Atmel AT91 System-on-Chip"
-comment "Atmel AT91 Processors"
+choice
+ prompt "Atmel AT91 Processor"
config ARCH_AT91RM9200
bool "AT91RM9200"
@@ -13,6 +14,8 @@
config ARCH_AT91SAM9261
bool "AT91SAM9261"
+endchoice
+
# ----------------------------------------------------------
if ARCH_AT91RM9200
@@ -33,7 +36,6 @@
Select this if you are using Atmel's AT91RM9200-DK Development board.
(Discontinued)
-
config MACH_AT91RM9200EK
bool "Atmel AT91RM9200-EK Evaluation Kit"
depends on ARCH_AT91RM9200
diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile
index 6093c31..564ad6e 100644
--- a/arch/arm/mach-at91rm9200/Makefile
+++ b/arch/arm/mach-at91rm9200/Makefile
@@ -10,7 +10,7 @@
obj-$(CONFIG_PM) += pm.o
# CPU-specific support
-obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.c
+obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o
obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o
obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o
diff --git a/arch/arm/mach-at91rm9200/at91rm9200.c b/arch/arm/mach-at91rm9200/at91rm9200.c
index 0816a8d..a92e9a4 100644
--- a/arch/arm/mach-at91rm9200/at91rm9200.c
+++ b/arch/arm/mach-at91rm9200/at91rm9200.c
@@ -28,32 +28,12 @@
.length = SZ_4K,
.type = MT_DEVICE,
}, {
- .virtual = AT91_VA_BASE_SPI,
- .pfn = __phys_to_pfn(AT91RM9200_BASE_SPI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
.virtual = AT91_VA_BASE_EMAC,
.pfn = __phys_to_pfn(AT91RM9200_BASE_EMAC),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
- .virtual = AT91_VA_BASE_TWI,
- .pfn = __phys_to_pfn(AT91RM9200_BASE_TWI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_MCI,
- .pfn = __phys_to_pfn(AT91RM9200_BASE_MCI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_UDP,
- .pfn = __phys_to_pfn(AT91RM9200_BASE_UDP),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_SRAM_VIRT_BASE,
+ .virtual = AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE,
.pfn = __phys_to_pfn(AT91RM9200_SRAM_BASE),
.length = AT91RM9200_SRAM_SIZE,
.type = MT_DEVICE,
diff --git a/include/asm-arm/arch-at91rm9200/hardware.h b/include/asm-arm/arch-at91rm9200/hardware.h
index d42e310..9ea5bfe 100644
--- a/include/asm-arm/arch-at91rm9200/hardware.h
+++ b/include/asm-arm/arch-at91rm9200/hardware.h
@@ -42,29 +42,27 @@
* Virtual to Physical Address mapping for IO devices.
*/
#define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS)
-#define AT91_VA_BASE_SPI AT91_IO_P2V(AT91RM9200_BASE_SPI)
#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC)
-#define AT91_VA_BASE_TWI AT91_IO_P2V(AT91RM9200_BASE_TWI)
-#define AT91_VA_BASE_MCI AT91_IO_P2V(AT91RM9200_BASE_MCI)
-#define AT91_VA_BASE_UDP AT91_IO_P2V(AT91RM9200_BASE_UDP)
/* Internal SRAM is mapped below the IO devices */
-#define AT91_SRAM_VIRT_BASE (AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE)
+#define AT91_SRAM_MAX SZ_1M
+#define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX)
/* Serial ports */
-#define ATMEL_MAX_UART 5 /* 4 USART3's and one DBGU port */
+#define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */
-/* FLASH */
-#define AT91_FLASH_BASE 0x10000000 /* NCS0: Flash physical base address */
+/* External Memory Map */
+#define AT91_CHIPSELECT_0 0x10000000
+#define AT91_CHIPSELECT_1 0x20000000
+#define AT91_CHIPSELECT_2 0x30000000
+#define AT91_CHIPSELECT_3 0x40000000
+#define AT91_CHIPSELECT_4 0x50000000
+#define AT91_CHIPSELECT_5 0x60000000
+#define AT91_CHIPSELECT_6 0x70000000
+#define AT91_CHIPSELECT_7 0x80000000
/* SDRAM */
-#define AT91_SDRAM_BASE 0x20000000 /* NCS1: SDRAM physical base address */
-
-/* SmartMedia */
-#define AT91_SMARTMEDIA_BASE 0x40000000 /* NCS3: Smartmedia physical base address */
-
-/* Compact Flash */
-#define AT91_CF_BASE 0x50000000 /* NCS4-NCS6: Compact Flash physical base address */
+#define AT91_SDRAM_BASE AT91_CHIPSELECT_1
/* Clocks */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
diff --git a/include/asm-arm/arch-at91rm9200/timex.h b/include/asm-arm/arch-at91rm9200/timex.h
index 88687ce..faeca45 100644
--- a/include/asm-arm/arch-at91rm9200/timex.h
+++ b/include/asm-arm/arch-at91rm9200/timex.h
@@ -23,6 +23,15 @@
#include <asm/hardware.h>
+#if defined(CONFIG_ARCH_AT91RM9200)
+
#define CLOCK_TICK_RATE (AT91_SLOW_CLOCK)
+#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261)
+
+#define AT91SAM9_MASTER_CLOCK 99300000
+#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+
+#endif
+
#endif
diff --git a/include/asm-arm/arch-at91rm9200/vmalloc.h b/include/asm-arm/arch-at91rm9200/vmalloc.h
index 4c367eb..0a23b8c 100644
--- a/include/asm-arm/arch-at91rm9200/vmalloc.h
+++ b/include/asm-arm/arch-at91rm9200/vmalloc.h
@@ -21,6 +21,6 @@
#ifndef __ASM_ARCH_VMALLOC_H
#define __ASM_ARCH_VMALLOC_H
-#define VMALLOC_END (AT91_SRAM_VIRT_BASE & PGDIR_MASK)
+#define VMALLOC_END (AT91_VIRT_BASE & PGDIR_MASK)
#endif