Commit 5a4c9c22 authored by Bo Shen's avatar Bo Shen Committed by Andreas Bießmann

ARM: atmel: sama5d4ek: enable SPL support

The sama5d4ek support boot up from NAND flash, SD/MMC card and
also the SPI flash.
Signed-off-by: default avatarBo Shen <voice.shen@atmel.com>
parent 01c073c0
......@@ -529,6 +529,7 @@ config TARGET_SAMA5D4_XPLAINED
config TARGET_SAMA5D4EK
bool "Support sama5d4ek"
select CPU_V7
select SUPPORT_SPL
config TARGET_BCM28155_AP
bool "Support bcm28155_ap"
......
......@@ -10,6 +10,7 @@
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
......@@ -325,3 +326,87 @@ int board_eth_init(bd_t *bis)
return rc;
}
/* SPL */
#ifdef CONFIG_SPL_BUILD
void spl_board_init(void)
{
#ifdef CONFIG_SYS_USE_MMC
sama5d4ek_mci1_hw_init();
#elif CONFIG_SYS_USE_NANDFLASH
sama5d4ek_nand_hw_init();
#elif CONFIG_SYS_USE_SERIALFLASH
sama5d4ek_spi0_hw_init();
#endif
}
static void ddr2_conf(struct atmel_mpddr *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
ATMEL_MPDDRC_CR_NR_ROW_14 |
ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
ATMEL_MPDDRC_CR_NB_8BANKS |
ATMEL_MPDDRC_CR_NDQS_DISABLED |
ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
ddr2->rtr = 0x2b0;
ddr2->tpr0 = (8 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
10 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
25 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
23 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
2 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
}
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
ddr2_conf(&ddr2);
/* enable MPDDR clock */
at91_periph_clk_enable(ATMEL_ID_MPDDRC);
writel(0x4, &pmc->scer);
/* DDRAM2 Controller initialize */
ddr2_init(ATMEL_BASE_DDRCS, &ddr2);
}
void at91_pmc_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
u32 tmp;
tmp = AT91_PMC_PLLAR_29 |
AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
AT91_PMC_PLLXR_MUL(87) |
AT91_PMC_PLLXR_DIV(1);
at91_plla_init(tmp);
writel(0x0 << 8, &pmc->pllicpr);
tmp = AT91_PMC_MCKR_H32MXDIV |
AT91_PMC_MCKR_PLLADIV_2 |
AT91_PMC_MCKR_MDIV_3 |
AT91_PMC_MCKR_CSS_PLLA;
at91_mck_init(tmp);
}
#endif
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_MMC"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SAMA5D4EK=y
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_NANDFLASH"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SAMA5D4EK=y
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_SERIALFLASH"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SAMA5D4EK=y
......@@ -20,7 +20,9 @@
#define CONFIG_ARCH_CPU_INIT
#ifndef CONFIG_SPL_BUILD
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_DISPLAY_CPUINFO
......@@ -66,8 +68,12 @@
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_DDRCS
#define CONFIG_SYS_SDRAM_SIZE 0x20000000
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_INIT_SP_ADDR 0x210000
#else
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
#endif
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
......@@ -219,4 +225,54 @@
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
/* SPL */
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_TEXT_BASE 0x200000
#define CONFIG_SPL_MAX_SIZE 0x10000
#define CONFIG_SPL_BSS_START_ADDR 0x20000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SYS_MONITOR_LEN (512 << 10)
#ifdef CONFIG_SYS_USE_MMC
#define CONFIG_SPL_LDSCRIPT arch/arm/cpu/at91-common/u-boot-spl.lds
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x400
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#elif CONFIG_SYS_USE_NANDFLASH
#define CONFIG_SPL_NAND_SUPPORT
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_BASE
#define CONFIG_PMECC_CAP 8
#define CONFIG_PMECC_SECTOR_SIZE 512
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_SIZE 0x1000
#define CONFIG_SYS_NAND_PAGE_COUNT 64
#define CONFIG_SYS_NAND_OOBSIZE 224
#define CONFIG_SYS_NAND_BLOCK_SIZE 0x40000
#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0
#define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
#elif CONFIG_SYS_USE_SERIALFLASH
#define CONFIG_SPL_SPI_SUPPORT
#define CONFIG_SPL_SPI_FLASH_SUPPORT
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
#endif
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment