--- /dev/null
+/*
+ * 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
Code Review / kvmfornfv.git / blobdiff