board: atmel: sama5d2_xplained: add SPL support
The sama5d2 Xplained SPL supports the boot medias: spi flash
and SD Card.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index c333647..9426302b 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -74,6 +74,7 @@
config TARGET_SAMA5D2_XPLAINED
bool "SAMA5D2 Xplained board"
select CPU_V7
+ 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 5b89617..abd1d13 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -9,6 +9,7 @@
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_SAMA5D2) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-y += spl.o
diff --git a/arch/arm/mach-at91/include/mach/sama5d2.h b/arch/arm/mach-at91/include/mach/sama5d2.h
index c85571c..dd5a2a7 100644
--- a/arch/arm/mach-at91/include/mach/sama5d2.h
+++ b/arch/arm/mach-at91/include/mach/sama5d2.h
@@ -106,6 +106,7 @@
#define ATMEL_BASE_MPDDRC 0xf000c000
#define ATMEL_BASE_XDMAC0 0xf0010000
#define ATMEL_BASE_PMC 0xf0014000
+#define ATMEL_BASE_MATRIX0 0xf0018000
#define ATMEL_BASE_QSPI0 0xf0020000
#define ATMEL_BASE_QSPI1 0xf0024000
#define ATMEL_BASE_SPI0 0xf8000000
@@ -117,6 +118,7 @@
#define ATMEL_BASE_UART1 0xf8020000
#define ATMEL_BASE_UART2 0xf8024000
#define ATMEL_BASE_TWI0 0xf8028000
+#define ATMEL_BASE_SFR 0xf8030000
#define ATMEL_BASE_SYSC 0xf8048000
#define ATMEL_BASE_SPI1 0xfc000000
#define ATMEL_BASE_UART3 0xfc008000
@@ -125,6 +127,7 @@
#define ATMEL_BASE_UDPHS 0xfc02c000
#define ATMEL_BASE_PIOA 0xfc038000
+#define ATMEL_BASE_MATRIX1 0xfc03c000
#define ATMEL_CHIPID_CIDR 0xfc069000
#define ATMEL_CHIPID_EXID 0xfc069004
@@ -171,6 +174,35 @@
#define CPU_HAS_PCR
#define CPU_HAS_H32MXDIV
+/* AICREDIR Unlock Key */
+#define ATMEL_SFR_AICREDIR_KEY 0xB6D81C4D
+
+/* MATRIX0(H64MX) slave id definitions */
+#define H64MX_SLAVE_AXIMX_BRIDGE 0 /* Bridge from H64MX to AXIMX */
+#define H64MX_SLAVE_PERIPH_BRIDGE 1 /* H64MX Peripheral Bridge */
+#define H64MX_SLAVE_DDRC_PORT0 2 /* DDR2 Port0-AESOTF */
+#define H64MX_SLAVE_DDRC_PORT1 3 /* DDR2 Port1 */
+#define H64MX_SLAVE_DDRC_PORT2 4 /* DDR2 Port2 */
+#define H64MX_SLAVE_DDRC_PORT3 5 /* DDR2 Port3 */
+#define H64MX_SLAVE_DDRC_PORT4 6 /* DDR2 Port4 */
+#define H64MX_SLAVE_DDRC_PORT5 7 /* DDR2 Port5 */
+#define H64MX_SLAVE_DDRC_PORT6 8 /* DDR2 Port6 */
+#define H64MX_SLAVE_DDRC_PORT7 9 /* DDR2 Port7 */
+#define H64MX_SLAVE_SRAM 10 /* Internal SRAM 128K */
+#define H64MX_SLAVE_CACHE_L2 11 /* Internal SRAM 128K(L2) */
+#define H64MX_SLAVE_QSPI0 12 /* QSPI0 */
+#define H64MX_SLAVE_QSPI1 13 /* QSPI1 */
+#define H64MX_SLAVE_AESB 14 /* AESB */
+
+/* MATRIX1(H32MX) slave id definitions */
+#define H32MX_SLAVE_H64MX_BRIDGE 0 /* Bridge from H32MX to H64MX */
+#define H32MX_SLAVE_PERIPH_BRIDGE0 1 /* H32MX Peripheral Bridge 0 */
+#define H32MX_SLAVE_PERIPH_BRIDGE1 2 /* H32MX Peripheral Bridge 1 */
+#define H32MX_SLAVE_EBI 3 /* External Bus Interface */
+#define H32MX_SLAVE_NFC_CMD 3 /* NFC command Register */
+#define H32MX_SLAVE_NFC_SRAM 4 /* NFC SRAM */
+#define H32MX_SLAVE_USB 5 /* USB Device & Host */
+
/* SAMA5D2 series chip id definitions */
#define ARCH_ID_SAMA5D2 0x8a5c08c0
#define ARCH_EXID_SAMA5D21CU 0x0000005a
diff --git a/board/atmel/sama5d2_xplained/sama5d2_xplained.c b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
index 0b3397f..8ed01dd 100644
--- a/board/atmel/sama5d2_xplained/sama5d2_xplained.c
+++ b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
@@ -17,6 +17,7 @@
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/atmel_sdhci.h>
#include <asm/arch/clk.h>
@@ -281,3 +282,105 @@
return rc;
}
+
+/* SPL */
+#ifdef CONFIG_SPL_BUILD
+void spl_board_init(void)
+{
+#ifdef CONFIG_SYS_USE_SERIALFLASH
+ board_spi0_hw_init();
+#endif
+#ifdef CONFIG_ATMEL_SDHCI
+#ifdef CONFIG_ATMEL_SDHCI0
+ board_sdhci0_hw_init();
+#endif
+#ifdef CONFIG_ATMEL_SDHCI1
+ board_sdhci1_hw_init();
+#endif
+#endif
+}
+
+static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
+{
+ ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
+
+ ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+ ATMEL_MPDDRC_CR_NR_ROW_14 |
+ ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
+ ATMEL_MPDDRC_CR_DIC_DS |
+ ATMEL_MPDDRC_CR_DIS_DLL |
+ ATMEL_MPDDRC_CR_NB_8BANKS |
+ ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
+ ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
+
+ ddrc->rtr = 0x511;
+
+ ddrc->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
+ 3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
+ 4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
+ 9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
+ 3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
+ 4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
+ 4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
+ 4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
+
+ ddrc->tpr1 = (27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET |
+ 29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
+ 0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
+ 3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET);
+
+ ddrc->tpr2 = (0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET |
+ 0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
+ 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
+ 4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
+ 7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET);
+}
+
+void mem_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
+ struct atmel_mpddrc_config ddrc_config;
+ u32 reg;
+
+ ddrc_conf(&ddrc_config);
+
+ at91_periph_clk_enable(ATMEL_ID_MPDDRC);
+ writel(AT91_PMC_DDR, &pmc->scer);
+
+ reg = readl(&mpddrc->io_calibr);
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
+ writel(reg, &mpddrc->io_calibr);
+
+ writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
+ &mpddrc->rd_data_path);
+
+ ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
+
+ writel(0x3, &mpddrc->cal_mr4);
+ writel(64, &mpddrc->tim_cal);
+}
+
+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(82) |
+ 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
diff --git a/configs/sama5d2_xplained_mmc_defconfig b/configs/sama5d2_xplained_mmc_defconfig
index c1dcbef..75b1713 100644
--- a/configs/sama5d2_xplained_mmc_defconfig
+++ b/configs/sama5d2_xplained_mmc_defconfig
@@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_SAMA5D2_XPLAINED=y
+CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_MMC"
# CONFIG_CMD_IMI is not set
# CONFIG_CMD_IMLS is not set
diff --git a/configs/sama5d2_xplained_spiflash_defconfig b/configs/sama5d2_xplained_spiflash_defconfig
index 0271e8e..6d61a7e 100644
--- a/configs/sama5d2_xplained_spiflash_defconfig
+++ b/configs/sama5d2_xplained_spiflash_defconfig
@@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_SAMA5D2_XPLAINED=y
+CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_SERIALFLASH"
# CONFIG_CMD_IMI is not set
# CONFIG_CMD_IMLS is not set
diff --git a/include/configs/sama5d2_xplained.h b/include/configs/sama5d2_xplained.h
index ae5ba3d..272257e 100644
--- a/include/configs/sama5d2_xplained.h
+++ b/include/configs/sama5d2_xplained.h
@@ -25,8 +25,12 @@
#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 */
@@ -119,4 +123,39 @@
#endif
+/* 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/mach-at91/armv7/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_SERIALFLASH
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8000
+
+#endif
+
#endif