ARM: atmel: at91sam9x5ek: enable spl support

Enable SPL support for at91sam9x5ek board. Now, it supports
boot up from NAND flash and SPI flash.

Signed-off-by: Bo Shen <voice.shen@atmel.com>

7 files changed, 24 insertions, 4 deletions

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 25da9262c5..bdf87f9605 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -83,6 +83,7 @@ config TARGET_AT91SAM9RLEK
 config TARGET_AT91SAM9X5EK
 	bool "Atmel AT91SAM9X5-EK board"
 	select CPU_ARM926EJS
+	select SUPPORT_SPL
 
 config TARGET_SAMA5D3_XPLAINED
 	bool "SAMA5D3 Xplained board"
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index e596ba6ce8..ba83616d57 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_AT91_WANTS_COMMON_PHY) += phy.o
 ifneq ($(CONFIG_SPL_BUILD),)
 obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o
 obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o
+obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
 obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
 obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o
 obj-y += spl.o
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 65691aba01..c903260bf9 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -97,7 +97,8 @@ typedef struct at91_pmc {
 #define AT91_PMC_MCKR_CSS_PLLB		0x00000003
 #define AT91_PMC_MCKR_CSS_MASK		0x00000003
 
-#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+	defined(CONFIG_AT91SAM9X5)
 #define AT91_PMC_MCKR_PRES_1		0x00000000
 #define AT91_PMC_MCKR_PRES_2		0x00000010
 #define AT91_PMC_MCKR_PRES_4		0x00000020
@@ -126,7 +127,8 @@ typedef struct at91_pmc {
 #else
 #define AT91_PMC_MCKR_MDIV_1		0x00000000
 #define AT91_PMC_MCKR_MDIV_2		0x00000100
-#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+	defined(CONFIG_AT91SAM9X5)
 #define AT91_PMC_MCKR_MDIV_3		0x00000300
 #endif
 #define AT91_PMC_MCKR_MDIV_4		0x00000200
diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h
index 7e7b5312cf..8100ebed4b 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9x5.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h
@@ -124,6 +124,16 @@
 #define ATMEL_BASE_EHCI		0x00700000 /* USB Host controller (EHCI) */
 #endif
 
+/*
+ * External memory
+ */
+#define ATMEL_BASE_CS0		0x10000000
+#define ATMEL_BASE_CS1		0x20000000
+#define ATMEL_BASE_CS2		0x30000000
+#define ATMEL_BASE_CS3		0x40000000
+#define ATMEL_BASE_CS4		0x50000000
+#define ATMEL_BASE_CS5		0x60000000
+
 /* 9x5 series chip id definitions */
 #define ARCH_ID_AT91SAM9X5	0x819a05a0
 #define ARCH_ID_VERSION_MASK	0x1f
diff --git a/arch/arm/mach-at91/mpddrc.c b/arch/arm/mach-at91/mpddrc.c
index beec13db8c..24d5fcde02 100644
--- a/arch/arm/mach-at91/mpddrc.c
+++ b/arch/arm/mach-at91/mpddrc.c
@@ -19,7 +19,8 @@ static inline void atmel_mpddr_op(int mode, u32 ram_address)
 
 static int ddr2_decodtype_is_seq(u32 cr)
 {
-#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+	defined(CONFIG_AT91SAM9X5)
 	if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED)
 		return 0;
 #endif
diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c
index aaa5eec2e6..27a405a42b 100644
--- a/arch/arm/mach-at91/spl.c
+++ b/arch/arm/mach-at91/spl.c
@@ -29,7 +29,7 @@ u32 spl_boot_device(void)
 	return BOOT_DEVICE_MMC1;
 #elif CONFIG_SYS_USE_NANDFLASH
 	return BOOT_DEVICE_NAND;
-#elif CONFIG_SYS_USE_SERIALFLASH
+#elif CONFIG_SYS_USE_SERIALFLASH || CONFIG_SYS_USE_SPIFLASH
 	return BOOT_DEVICE_SPI;
 #endif
 	return BOOT_DEVICE_NONE;
diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c
index af6fc0d4c6..e28e568d9d 100644
--- a/arch/arm/mach-at91/spl_at91.c
+++ b/arch/arm/mach-at91/spl_at91.c
@@ -115,9 +115,14 @@ void board_init_f(ulong dummy)
 	timer_init();
 
 	/* enable clocks for all PIOs */
+#ifdef CONFIG_AT91SAM9X5
+	at91_periph_clk_enable(ATMEL_ID_PIOAB);
+	at91_periph_clk_enable(ATMEL_ID_PIOCD);
+#else
 	at91_periph_clk_enable(ATMEL_ID_PIOA);
 	at91_periph_clk_enable(ATMEL_ID_PIOB);
 	at91_periph_clk_enable(ATMEL_ID_PIOC);
+#endif
 	/* init console */
 	at91_seriald_hw_init();
 	preloader_console_init();