diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/atmel/sama5d2_icp/Kconfig | 15 | ||||
-rw-r--r-- | board/atmel/sama5d2_icp/MAINTAINERS | 7 | ||||
-rw-r--r-- | board/atmel/sama5d2_icp/Makefile | 7 | ||||
-rw-r--r-- | board/atmel/sama5d2_icp/sama5d2_icp.c | 191 |
4 files changed, 220 insertions, 0 deletions
diff --git a/board/atmel/sama5d2_icp/Kconfig b/board/atmel/sama5d2_icp/Kconfig new file mode 100644 index 00000000000..38598455100 --- /dev/null +++ b/board/atmel/sama5d2_icp/Kconfig @@ -0,0 +1,15 @@ +if TARGET_SAMA5D2_ICP + +config SYS_BOARD + default "sama5d2_icp" + +config SYS_VENDOR + default "atmel" + +config SYS_SOC + default "at91" + +config SYS_CONFIG_NAME + default "sama5d2_icp" + +endif diff --git a/board/atmel/sama5d2_icp/MAINTAINERS b/board/atmel/sama5d2_icp/MAINTAINERS new file mode 100644 index 00000000000..db984b6ae47 --- /dev/null +++ b/board/atmel/sama5d2_icp/MAINTAINERS @@ -0,0 +1,7 @@ +SAMA5D2 ICP BOARD +M: Eugen Hristev <eugen.hristev@microchip.com> +S: Maintained +F: board/atmel/sama5d2_icp/ +F: include/configs/sama5d2_icp.h +F: configs/sama5d2_icp_mmc_defconfig + diff --git a/board/atmel/sama5d2_icp/Makefile b/board/atmel/sama5d2_icp/Makefile new file mode 100644 index 00000000000..fd7e870599f --- /dev/null +++ b/board/atmel/sama5d2_icp/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2018 Microchip Technology Inc. +# Eugen Hristev <eugen.hristev@microchip.com> +# + +obj-y += sama5d2_icp.o diff --git a/board/atmel/sama5d2_icp/sama5d2_icp.c b/board/atmel/sama5d2_icp/sama5d2_icp.c new file mode 100644 index 00000000000..807cfcdb196 --- /dev/null +++ b/board/atmel/sama5d2_icp/sama5d2_icp.c @@ -0,0 +1,191 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Microchip Technology, Inc. + * Eugen Hristev <eugen.hristev@microchip.com> + */ + +#include <common.h> +#include <debug_uart.h> +#include <asm/io.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/atmel_pio4.h> +#include <asm/arch/atmel_mpddrc.h> +#include <asm/arch/atmel_sdhci.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sama5d2.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_late_init(void) +{ + return 0; +} + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +static void board_uart0_hw_init(void) +{ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, ATMEL_PIO_PUEN_MASK); /* URXD0 */ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */ + + at91_periph_clk_enable(ATMEL_ID_UART0); +} + +void board_debug_uart_init(void) +{ + board_uart0_hw_init(); +} +#endif + +int board_early_init_f(void) +{ +#ifdef CONFIG_DEBUG_UART + debug_uart_init(); +#endif + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +#define MAC24AA_MAC_OFFSET 0xfa + +int misc_init_r(void) +{ +#ifdef CONFIG_I2C_EEPROM + at91_set_ethaddr(MAC24AA_MAC_OFFSET); +#endif + return 0; +} + +/* SPL */ +#ifdef CONFIG_SPL_BUILD + +#ifdef CONFIG_SD_BOOT +void spl_mmc_init(void) +{ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 1, 0); /* CMD */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 2, 0); /* DAT0 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 3, 0); /* DAT1 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 4, 0); /* DAT2 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 5, 0); /* DAT3 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 0, 0); /* CK */ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 13, 0); /* CD */ + + at91_periph_clk_enable(ATMEL_ID_SDMMC0); +} +#endif + +void spl_board_init(void) +{ +#ifdef CONFIG_SD_BOOT + spl_mmc_init(); +#endif +} + +void spl_display_print(void) +{ +} + +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_NB_8BANKS | + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | + ATMEL_MPDDRC_CR_UNAL_SUPPORTED); + + ddrc->rtr = 0x298; + + ddrc->tpr0 = ((6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) | + (3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) | + (3 << 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) | + (10 << 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_ONE_CYCLE, + &mpddrc->rd_data_path); + + ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config); + + writel(0x5355, &mpddrc->cal_mr4); + writel(64, &mpddrc->tim_cal); +} + +void at91_pmc_init(void) +{ + u32 tmp; + + /* + * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz + * so we need to slow down and configure MCKR accordingly. + * This is why we have a special flavor of the switching function. + */ + tmp = AT91_PMC_MCKR_PLLADIV_2 | + AT91_PMC_MCKR_MDIV_3 | + AT91_PMC_MCKR_CSS_MAIN; + at91_mck_init_down(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); + + 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 |