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

Changes in v2: None

arch/arm/cpu/armv7/at91/clock.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c index 2cdddb2..0bf453e 100644 --- a/arch/arm/cpu/armv7/at91/clock.c +++ b/arch/arm/cpu/armv7/at91/clock.c @@ -130,10 +130,18 @@ void at91_mck_init(u32 mckr) AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_PLLADIV_2); +#ifdef CPU_HAS_H32MXDIV + tmp &= ~AT91_PMC_MCKR_H32MXDIV; +#endif + tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK | AT91_PMC_MCKR_PRES_MASK | AT91_PMC_MCKR_MDIV_MASK | AT91_PMC_MCKR_PLLADIV_2); +#ifdef CPU_HAS_H32MXDIV + tmp |= mckr & AT91_PMC_MCKR_H32MXDIV; +#endif + writel(tmp, &pmc->mckr);

while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY))

This matrix header file can be shared between sama5d3 and sama5d4 soc.

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

Changes in v2: None

arch/arm/include/asm/arch-at91/sama5_matrix.h | 37 +++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/arm/include/asm/arch-at91/sama5_matrix.h

diff --git a/arch/arm/include/asm/arch-at91/sama5_matrix.h b/arch/arm/include/asm/arch-at91/sama5_matrix.h new file mode 100644 index 0000000..f58dc97 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/sama5_matrix.h @@ -0,0 +1,37 @@ +/* + * Bus Matrix header file for the SAMA5 family + * + * Copyright (C) 2014 Atmel + * Bo Shen voice.shen@atmel.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SAMA5_MATRIX_H +#define __SAMA5_MATRIX_H + +struct atmel_matrix { + u32 mcfg[16]; /* 0x00 ~ 0x3c: Master Configuration Register */ + u32 scfg[16]; /* 0x40 ~ 0x7c: Slave Configuration Register */ + u32 pras[16][2]; /* 0x80 ~ 0xfc: Priority Register A/B */ + u32 reserved1[20]; /* 0x100 ~ 0x14c */ + u32 meier; /* 0x150: Master Error Interrupt Enable Register */ + u32 meidr; /* 0x154: Master Error Interrupt Disable Register */ + u32 meimr; /* 0x158: Master Error Interrupt Mask Register */ + u32 mesr; /* 0x15c: Master Error Status Register */ + u32 mear[16]; /* 0x160 ~ 0x19c: Master Error Address Register */ + u32 reserved2[17]; /* 0x1A0 ~ 0x1E0 */ + u32 wpmr; /* 0x1E4: Write Protection Mode Register */ + u32 wpsr; /* 0x1E8: Write Protection Status Register */ + u32 reserved3[5]; /* 0x1EC ~ 0x1FC */ + u32 ssr[16]; /* 0x200 ~ 0x23c: Security Slave Register */ + u32 sassr[16]; /* 0x240 ~ 0x27c: Security Areas Split Slave Register */ + u32 srtsr[16]; /* 0x280 ~ 0x2bc: Security Region Top Slave */ + u32 spselr[3]; /* 0x2c0 ~ 0x2c8: Security Peripheral Select Register */ +}; + +/* Bit field in WPMR */ +#define ATMEL_MATRIX_WPMR_WPKEY 0x4D415400 +#define ATMEL_MATRIX_WPMR_WPEN 0x00000001 + +#endif

The SFR (special function registers) can be shared bwteen sama5d3 and sama5d4 soc.

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

Changes in v2: None

arch/arm/include/asm/arch-at91/sama5_sfr.h | 38 ++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/arm/include/asm/arch-at91/sama5_sfr.h

diff --git a/arch/arm/include/asm/arch-at91/sama5_sfr.h b/arch/arm/include/asm/arch-at91/sama5_sfr.h new file mode 100644 index 0000000..d3d2439 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/sama5_sfr.h @@ -0,0 +1,38 @@ +/* + * Special Function Register (SFR) + * + * Copyright (C) 2014 Atmel + * Bo Shen voice.shen@atmel.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SAMA5_SFR_H +#define __SAMA5_SFR_H + +struct atmel_sfr { + u32 reserved1; /* 0x00 */ + u32 ddrcfg; /* 0x04: DDR Configuration Register */ + u32 reserved2; /* 0x08 */ + u32 reserved3; /* 0x0c */ + u32 ohciicr; /* 0x10: OHCI Interrupt Configuration Register */ + u32 ohciisr; /* 0x14: OHCI Interrupt Status Register */ + u32 reserved4[4]; /* 0x18 ~ 0x24 */ + u32 secure; /* 0x28: Security Configuration Register */ + u32 reserved5[5]; /* 0x2c ~ 0x3c */ + u32 ebicfg; /* 0x40: EBI Configuration Register */ + u32 reserved6[2]; /* 0x44 ~ 0x48 */ + u32 sn0; /* 0x4c */ + u32 sn1; /* 0x50 */ + u32 aicredir; /* 0x54 */ +}; + +/* Bit field in DDRCFG */ +#define ATMEL_SFR_DDRCFG_FDQIEN 0x00010000 +#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000 + +/* Bit field in AICREDIR */ +#define ATMEL_SFR_AICREDIR_KEY 0x5F67B102 +#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001 + +#endif

Some SoC need to configure the bus matrix, add an weak function to be replace by real function.

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

Changes in v2: None

arch/arm/cpu/at91-common/spl_atmel.c | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/arch/arm/cpu/at91-common/spl_atmel.c b/arch/arm/cpu/at91-common/spl_atmel.c index 7297530..9cb5770 100644 --- a/arch/arm/cpu/at91-common/spl_atmel.c +++ b/arch/arm/cpu/at91-common/spl_atmel.c @@ -58,6 +58,11 @@ static void switch_to_main_crystal_osc(void) writel(tmp, &pmc->mor); }

+__weak void matrix_init(void) +{ + /* This only be used for sama5d4 soc now */ +} + void s_init(void) { switch_to_main_crystal_osc(); @@ -70,6 +75,8 @@ void s_init(void)

at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK);

+ matrix_init(); + timer_init();

board_early_init_f();

Some SoC need to redirect the saic to aic to make the interrupt to work, here add a weak function to be replaced by real function.

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

Changes in v2: None

arch/arm/cpu/at91-common/spl_atmel.c | 7 +++++++ arch/arm/include/asm/arch-at91/at91_common.h | 1 + 2 files changed, 8 insertions(+)

diff --git a/arch/arm/cpu/at91-common/spl_atmel.c b/arch/arm/cpu/at91-common/spl_atmel.c index 9cb5770..fdea466 100644 --- a/arch/arm/cpu/at91-common/spl_atmel.c +++ b/arch/arm/cpu/at91-common/spl_atmel.c @@ -63,6 +63,11 @@ __weak void matrix_init(void) /* This only be used for sama5d4 soc now */ }

+__weak void redirect_int_from_saic_to_aic(void) +{ + /* This only be used for sama5d4 soc now */ +} + void s_init(void) { switch_to_main_crystal_osc(); @@ -77,6 +82,8 @@ void s_init(void)

matrix_init();

+ redirect_int_from_saic_to_aic(); + timer_init();

board_early_init_f(); diff --git a/arch/arm/include/asm/arch-at91/at91_common.h b/arch/arm/include/asm/arch-at91/at91_common.h index 912e55c..efcd74e 100644 --- a/arch/arm/include/asm/arch-at91/at91_common.h +++ b/arch/arm/include/asm/arch-at91/at91_common.h @@ -33,5 +33,6 @@ void at91_mck_init(u32 mckr); void at91_spl_board_init(void); void at91_disable_wdt(void); void matrix_init(void); +void redirect_int_from_saic_to_aic(void);

#endif /* AT91_COMMON_H */

The SAMA5D4 SoC on chip rc oscillator can not be disabled.

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

Changes in v2: None

arch/arm/cpu/at91-common/spl_atmel.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm/cpu/at91-common/spl_atmel.c b/arch/arm/cpu/at91-common/spl_atmel.c index fdea466..9cc1111 100644 --- a/arch/arm/cpu/at91-common/spl_atmel.c +++ b/arch/arm/cpu/at91-common/spl_atmel.c @@ -51,11 +51,13 @@ static void switch_to_main_crystal_osc(void) while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY)) ;

+#ifndef CONFIG_SAMA5D4 tmp = readl(&pmc->mor); tmp &= ~AT91_PMC_MOR_MOSCRCEN; tmp &= ~AT91_PMC_MOR_KEY(0xff); tmp |= AT91_PMC_MOR_KEY(0x37); writel(tmp, &pmc->mor); +#endif }

__weak void matrix_init(void)

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

Changes in v2: None

arch/arm/include/asm/arch-at91/sama5d4.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/asm/arch-at91/sama5d4.h b/arch/arm/include/asm/arch-at91/sama5d4.h index d851568..f30cb5f 100644 --- a/arch/arm/include/asm/arch-at91/sama5d4.h +++ b/arch/arm/include/asm/arch-at91/sama5d4.h @@ -126,6 +126,8 @@ #define ATMEL_BASE_ADC 0xfc034000 #define ATMEL_BASE_TWI3 0xfc038000

+#define ATMEL_BASE_MATRIX1 0xfc054000 + #define ATMEL_BASE_SMC 0xfc05c000 #define ATMEL_BASE_PMECC (ATMEL_BASE_SMC + 0x070) #define ATMEL_BASE_PMERRLOC (ATMEL_BASE_SMC + 0x500)

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

Changes in v2: None

arch/arm/cpu/armv7/at91/sama5d4_devices.c | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)

diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c index 7469825..9c63e99 100644 --- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c +++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c @@ -10,6 +10,7 @@ #include <asm/arch/at91_common.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/clk.h> +#include <asm/arch/sama5_matrix.h> #include <asm/arch/sama5d4.h>

char *get_cpu_name() @@ -44,3 +45,37 @@ void at91_udp_hw_init(void) at91_periph_clk_enable(ATMEL_ID_UDPHS); } #endif + +#ifdef CONFIG_SPL_BUILD +void matrix_init(void) +{ + struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0; + struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1; + int i; + + /* Disable the write protect */ + writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); + writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); + + /* DDR port 1 ~ poart 7, slave number is: 4 ~ 10 */ + for (i = 4; i <= 10; i++) { + writel(0x000f0f0f, &h64mx->ssr[i]); + writel(0x0000ffff, &h64mx->sassr[i]); + writel(0x0000000f, &h64mx->srtsr[i]); + } + + /* CS3 */ + writel(0x00c0c0c0, &h32mx->ssr[3]); + writel(0xff000000, &h32mx->sassr[3]); + writel(0xff000000, &h32mx->srtsr[3]); + + /* NFC SRAM */ + writel(0x00010101, &h32mx->ssr[4]); + writel(0x00000001, &h32mx->sassr[4]); + writel(0x00000001, &h32mx->srtsr[4]); + + /* Enable the write protect */ + writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); + writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); +} +#endif

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

Changes in v2: None

arch/arm/cpu/armv7/at91/sama5d4_devices.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)

diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c index 9c63e99..ef39cb7 100644 --- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c +++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c @@ -11,6 +11,7 @@ #include <asm/arch/at91_pmc.h> #include <asm/arch/clk.h> #include <asm/arch/sama5_matrix.h> +#include <asm/arch/sama5_sfr.h> #include <asm/arch/sama5d4.h>

char *get_cpu_name() @@ -78,4 +79,15 @@ void matrix_init(void) writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); } + +void redirect_int_from_saic_to_aic(void) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + u32 key32; + + if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) { + key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY; + writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir); + } +} #endif

The SAMAA5D4 SoC can access DDR in interleave mode.

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

Changes in v2: None

arch/arm/cpu/at91-common/mpddrc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/cpu/at91-common/mpddrc.c b/arch/arm/cpu/at91-common/mpddrc.c index 44798e6..beec13d 100644 --- a/arch/arm/cpu/at91-common/mpddrc.c +++ b/arch/arm/cpu/at91-common/mpddrc.c @@ -19,7 +19,7 @@ static inline void atmel_mpddr_op(int mode, u32 ram_address)

static int ddr2_decodtype_is_seq(u32 cr) { -#if defined(CONFIG_SAMA5D3) +#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED) return 0; #endif

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

Changes in v2: None

arch/arm/cpu/at91-common/Makefile | 1 + 1 file changed, 1 insertion(+)

diff --git a/arch/arm/cpu/at91-common/Makefile b/arch/arm/cpu/at91-common/Makefile index 89e1577..03614d4 100644 --- a/arch/arm/cpu/at91-common/Makefile +++ b/arch/arm/cpu/at91-common/Makefile @@ -13,5 +13,6 @@ ifneq ($(CONFIG_SPL_BUILD),) obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o +obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o obj-y += spl.o endif

The sama5d4ek support boot up from NAND flash, SD/MMC card and also the SPI flash.

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

Changes in v2: - change CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION to CONFIG_SYS_MMCSD_FS_BOOT_PARTITION

arch/arm/Kconfig | 1 + board/atmel/sama5d4ek/sama5d4ek.c | 85 +++++++++++++++++++++++++++++++++++ configs/sama5d4ek_mmc_defconfig | 1 + configs/sama5d4ek_nandflash_defconfig | 1 + configs/sama5d4ek_spiflash_defconfig | 1 + include/configs/sama5d4ek.h | 56 +++++++++++++++++++++++ 6 files changed, 145 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2b0d2c9..9a39e09 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -522,6 +522,7 @@ config TARGET_SAMA5D4_XPLAINED config TARGET_SAMA5D4EK bool "Support sama5d4ek" select CPU_V7 + select SUPPORT_SPL

config TARGET_BCM28155_AP bool "Support bcm28155_ap" diff --git a/board/atmel/sama5d4ek/sama5d4ek.c b/board/atmel/sama5d4ek/sama5d4ek.c index e014e0a..f8cff68 100644 --- a/board/atmel/sama5d4ek/sama5d4ek.c +++ b/board/atmel/sama5d4ek/sama5d4ek.c @@ -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> @@ -326,3 +327,87 @@ 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 diff --git a/configs/sama5d4ek_mmc_defconfig b/configs/sama5d4ek_mmc_defconfig index 16a5ed7..aafb4c2 100644 --- a/configs/sama5d4ek_mmc_defconfig +++ b/configs/sama5d4ek_mmc_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_MMC" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4EK=y diff --git a/configs/sama5d4ek_nandflash_defconfig b/configs/sama5d4ek_nandflash_defconfig index 8b7fbc3..d430fa7 100644 --- a/configs/sama5d4ek_nandflash_defconfig +++ b/configs/sama5d4ek_nandflash_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_NANDFLASH" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4EK=y diff --git a/configs/sama5d4ek_spiflash_defconfig b/configs/sama5d4ek_spiflash_defconfig index 63e9b6c..796fa4b 100644 --- a/configs/sama5d4ek_spiflash_defconfig +++ b/configs/sama5d4ek_spiflash_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_SERIALFLASH" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4EK=y diff --git a/include/configs/sama5d4ek.h b/include/configs/sama5d4ek.h index 09ab4d7..9e1b86a 100644 --- a/include/configs/sama5d4ek.h +++ b/include/configs/sama5d4ek.h @@ -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

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

Changes in v2: - change CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION to CONFIG_SYS_MMCSD_FS_BOOT_PARTITION

arch/arm/Kconfig | 1 + board/atmel/sama5d4_xplained/sama5d4_xplained.c | 85 +++++++++++++++++++++++++ configs/sama5d4_xplained_mmc_defconfig | 1 + configs/sama5d4_xplained_nandflash_defconfig | 1 + configs/sama5d4_xplained_spiflash_defconfig | 1 + include/configs/sama5d4_xplained.h | 56 ++++++++++++++++ 6 files changed, 145 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9a39e09..a2aaebf 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -518,6 +518,7 @@ config TARGET_SAMA5D3XEK config TARGET_SAMA5D4_XPLAINED bool "Support sama5d4_xplained" select CPU_V7 + select SUPPORT_SPL

config TARGET_SAMA5D4EK bool "Support sama5d4ek" diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/sama5d4_xplained/sama5d4_xplained.c index 93bebd4..d64d320 100644 --- a/board/atmel/sama5d4_xplained/sama5d4_xplained.c +++ b/board/atmel/sama5d4_xplained/sama5d4_xplained.c @@ -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> @@ -328,3 +329,87 @@ int board_eth_init(bd_t *bis)

return rc; } + +/* SPL */ +#ifdef CONFIG_SPL_BUILD +void spl_board_init(void) +{ +#ifdef CONFIG_SYS_USE_MMC + sama5d4_xplained_mci1_hw_init(); +#elif CONFIG_SYS_USE_NANDFLASH + sama5d4_xplained_nand_hw_init(); +#elif CONFIG_SYS_USE_SERIALFLASH + sama5d4_xplained_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 diff --git a/configs/sama5d4_xplained_mmc_defconfig b/configs/sama5d4_xplained_mmc_defconfig index 3720f3c..73df28c 100644 --- a/configs/sama5d4_xplained_mmc_defconfig +++ b/configs/sama5d4_xplained_mmc_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_MMC" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4_XPLAINED=y diff --git a/configs/sama5d4_xplained_nandflash_defconfig b/configs/sama5d4_xplained_nandflash_defconfig index 5e13da7..046fe06 100644 --- a/configs/sama5d4_xplained_nandflash_defconfig +++ b/configs/sama5d4_xplained_nandflash_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_NANDFLASH" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4_XPLAINED=y diff --git a/configs/sama5d4_xplained_spiflash_defconfig b/configs/sama5d4_xplained_spiflash_defconfig index 3a4607c..755dd8b 100644 --- a/configs/sama5d4_xplained_spiflash_defconfig +++ b/configs/sama5d4_xplained_spiflash_defconfig @@ -1,3 +1,4 @@ +CONFIG_SPL=y CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_SERIALFLASH" +S:CONFIG_ARM=y +S:CONFIG_TARGET_SAMA5D4_XPLAINED=y diff --git a/include/configs/sama5d4_xplained.h b/include/configs/sama5d4_xplained.h index 996973d..6493d56 100644 --- a/include/configs/sama5d4_xplained.h +++ b/include/configs/sama5d4_xplained.h @@ -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 */

@@ -221,4 +227,54 @@ /* 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