diff options
Diffstat (limited to 'board/atmel/sama5d2_ptc/sama5d2_ptc.c')
| -rw-r--r-- | board/atmel/sama5d2_ptc/sama5d2_ptc.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/board/atmel/sama5d2_ptc/sama5d2_ptc.c b/board/atmel/sama5d2_ptc/sama5d2_ptc.c new file mode 100644 index 0000000..9e6544b --- /dev/null +++ b/board/atmel/sama5d2_ptc/sama5d2_ptc.c @@ -0,0 +1,285 @@ +/* + * Copyright (C) 2016 Atmel + * Wenyou.Yang <wenyou.yang@atmel.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <atmel_hlcdc.h> +#include <lcd.h> +#include <mmc.h> +#include <net.h> +#include <netdev.h> +#include <spi.h> +#include <version.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_usba_udc.h> +#include <asm/arch/atmel_sdhci.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sama5_sfr.h> +#include <asm/arch/sama5d2.h> +#include <asm/arch/sama5d3_smc.h> + +DECLARE_GLOBAL_DATA_PTR; + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1); +} + +static void board_spi0_hw_init(void) +{ + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 14, 0); + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 15, 0); + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 16, 0); + + atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1); + + at91_periph_clk_enable(ATMEL_ID_SPI0); +} + +static void board_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + + at91_periph_clk_enable(ATMEL_ID_HSMC); + + writel(AT91_SFR_EBICFG_DRIVE0_HIGH | + AT91_SFR_EBICFG_PULL0_NONE | + AT91_SFR_EBICFG_DRIVE1_HIGH | + AT91_SFR_EBICFG_PULL1_NONE, &sfr->ebicfg); + + /* Configure SMC CS3 for NAND */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), + &smc->cs[3].cycle); + writel(AT91_SMC_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) | + AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) | + AT91_SMC_TIMINGS_TWB(7) | AT91_SMC_TIMINGS_RBNSEL(3) | + AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_EXNW_DISABLE | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(3), + &smc->cs[3].mode); + + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 0, 0); /* D0 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 1, 0); /* D1 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 2, 0); /* D2 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 3, 0); /* D3 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 4, 0); /* D4 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 5, 0); /* D5 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 6, 0); /* D6 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 7, 0); /* D7 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 12, 0); /* RE */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 8, 0); /* WE */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 9, 1); /* NCS */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 21, 1); /* RDY */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 10, 1); /* ALE */ + atmel_pio4_set_f_periph(AT91_PIO_PORTA, 11, 1); /* CLE */ +} + +static void board_usb_hw_init(void) +{ + atmel_pio4_set_pio_output(AT91_PIO_PORTA, 28, 1); +} + +static void board_gmac_hw_init(void) +{ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */ + atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */ + + at91_periph_clk_enable(ATMEL_ID_GMAC); +} + +static void board_uart0_hw_init(void) +{ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, 1); /* URXD0 */ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */ + + at91_periph_clk_enable(CONFIG_USART_ID); +} + +int board_early_init_f(void) +{ + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOB); + at91_periph_clk_enable(ATMEL_ID_PIOC); + at91_periph_clk_enable(ATMEL_ID_PIOD); + + board_uart0_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_ATMEL_SPI + board_spi0_hw_init(); +#endif +#ifdef CONFIG_NAND_ATMEL + board_nand_hw_init(); +#endif +#ifdef CONFIG_MACB + board_gmac_hw_init(); +#endif +#ifdef CONFIG_CMD_USB + board_usb_hw_init(); +#endif +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + at91_udp_hw_init(); +#endif + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00); + if (rc) + printf("GMAC register failed\n"); +#endif + +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + usba_udc_probe(&pdata); +#ifdef CONFIG_USB_ETH_RNDIS + usb_eth_initialize(bis); +#endif +#endif + + return rc; +} + +/* SPL */ +#ifdef CONFIG_SPL_BUILD +void spl_board_init(void) +{ +#ifdef CONFIG_SYS_USE_SERIALFLASH + board_spi0_hw_init(); +#endif + +#ifdef CONFIG_SYS_USE_NANDFLASH + board_nand_hw_init(); +#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 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); + at91_system_clk_enable(AT91_PMC_DDR); + + 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) +{ + at91_plla_init(AT91_PMC_PLLAR_29 | + AT91_PMC_PLLXR_PLLCOUNT(0x3f) | + AT91_PMC_PLLXR_MUL(82) | + AT91_PMC_PLLXR_DIV(1)); + + at91_pllicpr_init(0); + + at91_mck_init(AT91_PMC_MCKR_H32MXDIV | + AT91_PMC_MCKR_PLLADIV_2 | + AT91_PMC_MCKR_MDIV_3 | + AT91_PMC_MCKR_CSS_PLLA); +} +#endif |