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ARM: atmel: at91sam9n12ek: enable spl support

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Enable SPL support for at91sam9n12ek boards, now it supports
boot up from NAND flash, serial flash.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
This commit is contained in:
Bo Shen
2015-03-27 14:23:36 +08:00
committed by Andreas Bießmann
parent d85e8914b3
commit ff255e836a
9 changed files with 138 additions and 5 deletions
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1
arch/arm/mach-at91/Kconfig
View File

@@ -75,6 +75,7 @@ config TARGET_PM9G45
config TARGET_AT91SAM9N12EK
bool "Atmel AT91SAM9N12-EK board"
select CPU_ARM926EJS
select SUPPORT_SPL
config TARGET_AT91SAM9RLEK
bool "Atmel at91sam9rl reference board"

1
arch/arm/mach-at91/Makefile
View File

@@ -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-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o

4
arch/arm/mach-at91/include/mach/at91_pmc.h
View File

@@ -98,7 +98,7 @@ typedef struct at91_pmc {
#define AT91_PMC_MCKR_CSS_MASK 0x00000003
#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
defined(CONFIG_AT91SAM9X5)
defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
#define AT91_PMC_MCKR_PRES_1 0x00000000
#define AT91_PMC_MCKR_PRES_2 0x00000010
#define AT91_PMC_MCKR_PRES_4 0x00000020
@@ -128,7 +128,7 @@ typedef struct at91_pmc {
#define AT91_PMC_MCKR_MDIV_1 0x00000000
#define AT91_PMC_MCKR_MDIV_2 0x00000100
#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
defined(CONFIG_AT91SAM9X5)
defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
#define AT91_PMC_MCKR_MDIV_3 0x00000300
#endif
#define AT91_PMC_MCKR_MDIV_4 0x00000200

2
arch/arm/mach-at91/mpddrc.c
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@@ -20,7 +20,7 @@ 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) || \
defined(CONFIG_AT91SAM9X5)
defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED)
return 0;
#endif

2
arch/arm/mach-at91/spl_at91.c
View File

@@ -115,7 +115,7 @@ void board_init_f(ulong dummy)
timer_init();
/* enable clocks for all PIOs */
#ifdef CONFIG_AT91SAM9X5
#if defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
at91_periph_clk_enable(ATMEL_ID_PIOAB);
at91_periph_clk_enable(ATMEL_ID_PIOCD);
#else