diff options
Diffstat (limited to 'qemu/roms/u-boot/board/atmel/sama5d3xek/sama5d3xek.c')
| -rw-r--r-- | qemu/roms/u-boot/board/atmel/sama5d3xek/sama5d3xek.c | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/atmel/sama5d3xek/sama5d3xek.c b/qemu/roms/u-boot/board/atmel/sama5d3xek/sama5d3xek.c new file mode 100644 index 000000000..c835c12d0 --- /dev/null +++ b/qemu/roms/u-boot/board/atmel/sama5d3xek/sama5d3xek.c @@ -0,0 +1,388 @@ +/* + * Copyright (C) 2012 - 2013 Atmel Corporation + * Bo Shen <voice.shen@atmel.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mmc.h> +#include <asm/io.h> +#include <asm/arch/sama5d3_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <lcd.h> +#include <atmel_lcdc.h> +#include <atmel_mci.h> +#include <micrel.h> +#include <net.h> +#include <netdev.h> +#include <spl.h> +#include <asm/arch/atmel_mpddrc.h> +#include <asm/arch/at91_wdt.h> + +#ifdef CONFIG_USB_GADGET_ATMEL_USBA +#include <asm/arch/atmel_usba_udc.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_NAND_ATMEL +void sama5d3xek_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + + at91_periph_clk_enable(ATMEL_ID_SMC); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), + &smc->cs[3].cycle); + writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) | + AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) | + AT91_SMC_TIMINGS_TWB(5) | 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 | +#ifdef CONFIG_SYS_NAND_DBW_16 + AT91_SMC_MODE_DBW_16 | +#else /* CONFIG_SYS_NAND_DBW_8 */ + AT91_SMC_MODE_DBW_8 | +#endif + AT91_SMC_MODE_TDF_CYCLE(3), + &smc->cs[3].mode); +} +#endif + +#ifdef CONFIG_CMD_USB +static void sama5d3xek_usb_hw_init(void) +{ + at91_set_pio_output(AT91_PIO_PORTD, 25, 0); + at91_set_pio_output(AT91_PIO_PORTD, 26, 0); + at91_set_pio_output(AT91_PIO_PORTD, 27, 0); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +static void sama5d3xek_mci_hw_init(void) +{ + at91_mci_hw_init(); + + at91_set_pio_output(AT91_PIO_PORTB, 10, 0); /* MCI0 Power */ +} +#endif + +#ifdef CONFIG_LCD +vidinfo_t panel_info = { + .vl_col = 800, + .vl_row = 480, + .vl_clk = 24000000, + .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL, + .vl_bpix = LCD_BPP, + .vl_tft = 1, + .vl_hsync_len = 128, + .vl_left_margin = 64, + .vl_right_margin = 64, + .vl_vsync_len = 2, + .vl_upper_margin = 22, + .vl_lower_margin = 21, + .mmio = ATMEL_BASE_LCDC, +}; + +void lcd_enable(void) +{ +} + +void lcd_disable(void) +{ +} + +static void sama5d3xek_lcd_hw_init(void) +{ + gd->fb_base = CONFIG_SAMA5D3_LCD_BASE; + + /* The higher 8 bit of LCD is board related */ + at91_set_c_periph(AT91_PIO_PORTC, 14, 0); /* LCDD16 */ + at91_set_c_periph(AT91_PIO_PORTC, 13, 0); /* LCDD17 */ + at91_set_c_periph(AT91_PIO_PORTC, 12, 0); /* LCDD18 */ + at91_set_c_periph(AT91_PIO_PORTC, 11, 0); /* LCDD19 */ + at91_set_c_periph(AT91_PIO_PORTC, 10, 0); /* LCDD20 */ + at91_set_c_periph(AT91_PIO_PORTC, 15, 0); /* LCDD21 */ + at91_set_c_periph(AT91_PIO_PORTE, 27, 0); /* LCDD22 */ + at91_set_c_periph(AT91_PIO_PORTE, 28, 0); /* LCDD23 */ + + /* Configure lower 16 bit of LCD and enable clock */ + at91_lcd_hw_init(); +} + +#ifdef CONFIG_LCD_INFO +#include <nand.h> +#include <version.h> + +void lcd_show_board_info(void) +{ + ulong dram_size; + uint64_t nand_size; + int i; + char temp[32]; + + lcd_printf("%s\n", U_BOOT_VERSION); + lcd_printf("(C) 2013 ATMEL Corp\n"); + lcd_printf("at91@atmel.com\n"); + lcd_printf("%s CPU at %s MHz\n", get_cpu_name(), + strmhz(temp, get_cpu_clk_rate())); + + dram_size = 0; + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + dram_size += gd->bd->bi_dram[i].size; + + nand_size = 0; +#ifdef CONFIG_NAND_ATMEL + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) + nand_size += nand_info[i].size; +#endif + lcd_printf("%ld MB SDRAM, %lld MB NAND\n", + dram_size >> 20, nand_size >> 20); +} +#endif /* CONFIG_LCD_INFO */ +#endif /* CONFIG_LCD */ + +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); + at91_periph_clk_enable(ATMEL_ID_PIOE); + + at91_seriald_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_NAND_ATMEL + sama5d3xek_nand_hw_init(); +#endif +#ifdef CONFIG_CMD_USB + sama5d3xek_usb_hw_init(); +#endif +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + at91_udp_hw_init(); +#endif +#ifdef CONFIG_GENERIC_ATMEL_MCI + sama5d3xek_mci_hw_init(); +#endif +#ifdef CONFIG_ATMEL_SPI + at91_spi0_hw_init(1 << 0); +#endif +#ifdef CONFIG_MACB + if (has_emac()) + at91_macb_hw_init(); + if (has_gmac()) + at91_gmac_hw_init(); +#endif +#ifdef CONFIG_LCD + if (has_lcdc()) + sama5d3xek_lcd_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_phy_config(struct phy_device *phydev) +{ + /* rx data delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x2222); + /* tx data delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x2222); + /* rx/tx clock delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf2f4); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + +#ifdef CONFIG_MACB + if (has_emac()) + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); + if (has_gmac()) + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00); +#endif +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + usba_udc_probe(&pdata); +#ifdef CONFIG_USB_ETH_RNDIS + usb_eth_initialize(bis); +#endif +#endif + + return rc; +} + +#ifdef CONFIG_GENERIC_ATMEL_MCI +int board_mmc_init(bd_t *bis) +{ + int rc = 0; + + rc = atmel_mci_init((void *)ATMEL_BASE_MCI0); + + return rc; +} +#endif + +/* SPI chip select control */ +#ifdef CONFIG_ATMEL_SPI +#include <spi.h> + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs < 4; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + switch (slave->cs) { + case 0: + at91_set_pio_output(AT91_PIO_PORTD, 13, 0); + case 1: + at91_set_pio_output(AT91_PIO_PORTD, 14, 0); + case 2: + at91_set_pio_output(AT91_PIO_PORTD, 15, 0); + case 3: + at91_set_pio_output(AT91_PIO_PORTD, 16, 0); + default: + break; + } +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + switch (slave->cs) { + case 0: + at91_set_pio_output(AT91_PIO_PORTD, 13, 1); + case 1: + at91_set_pio_output(AT91_PIO_PORTD, 14, 1); + case 2: + at91_set_pio_output(AT91_PIO_PORTD, 15, 1); + case 3: + at91_set_pio_output(AT91_PIO_PORTD, 16, 1); + default: + break; + } +} +#endif /* CONFIG_ATMEL_SPI */ + +/* SPL */ +#ifdef CONFIG_SPL_BUILD +void spl_board_init(void) +{ +#ifdef CONFIG_SYS_USE_MMC + sama5d3xek_mci_hw_init(); +#elif CONFIG_SYS_USE_NANDFLASH + sama5d3xek_nand_hw_init(); +#elif CONFIG_SYS_USE_SERIALFLASH + at91_spi0_hw_init(1 << 0); +#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_ENRDM_ON | + ATMEL_MPDDRC_CR_NB_8BANKS | + ATMEL_MPDDRC_CR_NDQS_DISABLED | + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | + ATMEL_MPDDRC_CR_UNAL_SUPPORTED); + /* + * As the DDR2-SDRAm device requires a refresh time is 7.8125us + * when DDR run at 133MHz, so it needs (7.8125us * 133MHz / 10^9) clocks + */ + ddr2->rtr = 0x411; + + ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | + 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | + 2 << 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 | + 28 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | + 26 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); + + ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | + 7 << 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(43) | + AT91_PMC_PLLXR_DIV(1); + at91_plla_init(tmp); + + writel(0x3 << 8, &pmc->pllicpr); + + tmp = AT91_PMC_MCKR_MDIV_4 | + AT91_PMC_MCKR_CSS_PLLA; + at91_mck_init(tmp); +} +#endif |