ARM: atmel: add sama5d4 xplained ultra board support
The code for this board supports following features:
- Boot media support: NAND flash/SD card/SPI flash
- Support LCD display (optional, disabled by default)
- Support ethernet
- Support USB mass storage
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
new file mode 100644
index 0000000..de0baad
--- /dev/null
+++ b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2014 Atmel
+ * Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.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 <asm/arch/sama5d3_smc.h>
+#include <asm/arch/sama5d4.h>
+#include <atmel_lcdc.h>
+#include <atmel_mci.h>
+#include <lcd.h>
+#include <mmc.h>
+#include <net.h>
+#include <netdev.h>
+#include <nand.h>
+#include <spi.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_ATMEL_SPI
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
+}
+
+static void sama5d4_xplained_spi0_hw_init(void)
+{
+ at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
+ at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
+ at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
+
+ at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
+
+ /* Enable clock */
+ at91_periph_clk_enable(ATMEL_ID_SPI0);
+}
+#endif /* CONFIG_ATMEL_SPI */
+
+#ifdef CONFIG_NAND_ATMEL
+static void sama5d4_xplained_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 */
+ 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);
+
+ at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* D0 */
+ at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* D1 */
+ at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* D2 */
+ at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* D3 */
+ at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* D4 */
+ at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* D5 */
+ at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* D6 */
+ at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* D7 */
+ at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* RE */
+ at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* WE */
+ at91_set_a_periph(AT91_PIO_PORTC, 15, 1); /* NCS */
+ at91_set_a_periph(AT91_PIO_PORTC, 16, 1); /* RDY */
+ at91_set_a_periph(AT91_PIO_PORTC, 17, 1); /* ALE */
+ at91_set_a_periph(AT91_PIO_PORTC, 18, 1); /* CLE */
+}
+#endif
+
+#ifdef CONFIG_CMD_USB
+static void sama5d4_xplained_usb_hw_init(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTE, 11, 1);
+ at91_set_pio_output(AT91_PIO_PORTE, 14, 1);
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+ .vl_col = 480,
+ .vl_row = 272,
+ .vl_clk = 9000,
+ .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL,
+ .vl_bpix = LCD_BPP,
+ .vl_bpox = LCD_OUTPUT_BPP,
+ .vl_tft = 1,
+ .vl_hsync_len = 41,
+ .vl_left_margin = 2,
+ .vl_right_margin = 2,
+ .vl_vsync_len = 11,
+ .vl_upper_margin = 2,
+ .vl_lower_margin = 2,
+ .mmio = ATMEL_BASE_LCDC,
+};
+
+/* No power up/down pin for the LCD pannel */
+void lcd_enable(void) { /* Empty! */ }
+void lcd_disable(void) { /* Empty! */ }
+
+unsigned int has_lcdc(void)
+{
+ return 1;
+}
+
+static void sama5d4_xplained_lcd_hw_init(void)
+{
+ at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */
+ at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */
+ at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */
+ at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */
+ at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */
+ at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */
+
+ at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */
+ at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */
+ at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */
+ at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */
+ at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */
+ at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */
+ at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */
+ at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */
+
+ at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD9 */
+ at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD8 */
+ at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */
+ at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */
+ at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */
+ at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */
+ at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */
+ at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */
+
+ at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* LCDD16 */
+ at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* LCDD17 */
+ at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* LCDD18 */
+ at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* LCDD19 */
+ at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* LCDD20 */
+ at91_set_a_periph(AT91_PIO_PORTA, 21, 0); /* LCDD21 */
+ at91_set_a_periph(AT91_PIO_PORTA, 22, 0); /* LCDD22 */
+ at91_set_a_periph(AT91_PIO_PORTA, 23, 0); /* LCDD23 */
+
+ /* Enable clock */
+ at91_periph_clk_enable(ATMEL_ID_LCDC);
+}
+
+#ifdef CONFIG_LCD_INFO
+void lcd_show_board_info(void)
+{
+ ulong dram_size, nand_size;
+ int i;
+ char temp[32];
+
+ lcd_printf("2014 ATMEL Corp\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, %ld MB NAND\n",
+ dram_size >> 20, nand_size >> 20);
+}
+#endif /* CONFIG_LCD_INFO */
+
+#endif /* CONFIG_LCD */
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+void sama5d4_xplained_mci1_hw_init(void)
+{
+ at91_set_c_periph(AT91_PIO_PORTE, 19, 1); /* MCI1 CDA */
+ at91_set_c_periph(AT91_PIO_PORTE, 20, 1); /* MCI1 DA0 */
+ at91_set_c_periph(AT91_PIO_PORTE, 21, 1); /* MCI1 DA1 */
+ at91_set_c_periph(AT91_PIO_PORTE, 22, 1); /* MCI1 DA2 */
+ at91_set_c_periph(AT91_PIO_PORTE, 23, 1); /* MCI1 DA3 */
+ at91_set_c_periph(AT91_PIO_PORTE, 18, 0); /* MCI1 CLK */
+
+ /*
+ * As the mci io internal pull down is too strong, so if the io needs
+ * external pull up, the pull up resistor will be very small, if so
+ * the power consumption will increase, so disable the interanl pull
+ * down to save the power.
+ */
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 18, 0);
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 19, 0);
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 20, 0);
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 21, 0);
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 22, 0);
+ at91_set_pio_pulldown(AT91_PIO_PORTE, 23, 0);
+
+ /* Enable clock */
+ at91_periph_clk_enable(ATMEL_ID_MCI1);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ return atmel_mci_init((void *)ATMEL_BASE_MCI1);
+}
+#endif /* CONFIG_GENERIC_ATMEL_MCI */
+
+#ifdef CONFIG_MACB
+void sama5d4_xplained_macb0_hw_init(void)
+{
+ at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
+ at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
+ at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
+ at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
+ at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
+ at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
+ at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
+ at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
+ at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
+ at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
+
+ /* Enable clock */
+ at91_periph_clk_enable(ATMEL_ID_GMAC0);
+}
+#endif
+
+static void sama5d4_xplained_serial3_hw_init(void)
+{
+ at91_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
+ at91_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
+
+ /* Enable clock */
+ at91_periph_clk_enable(ATMEL_ID_USART3);
+}
+
+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);
+
+ sama5d4_xplained_serial3_hw_init();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_ATMEL_SPI
+ sama5d4_xplained_spi0_hw_init();
+#endif
+#ifdef CONFIG_NAND_ATMEL
+ sama5d4_xplained_nand_hw_init();
+#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+ sama5d4_xplained_mci1_hw_init();
+#endif
+#ifdef CONFIG_MACB
+ sama5d4_xplained_macb0_hw_init();
+#endif
+#ifdef CONFIG_LCD
+ sama5d4_xplained_lcd_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+ sama5d4_xplained_usb_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_GMAC0, 0x00);
+#endif
+
+ return rc;
+}