LXR uboot/board/atmel/at91sam9rlek/at91sam9rlek.c

   1/*
   2 * (C) Copyright 2007-2008
   3 * Stelian Pop <stelian@popies.net>
   4 * Lead Tech Design <www.leadtechdesign.com>
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0+
   7 */
   8
   9#include <common.h>
  10#include <asm/io.h>
  11#include <asm/arch/at91sam9rl.h>
  12#include <asm/arch/at91sam9rl_matrix.h>
  13#include <asm/arch/at91sam9_smc.h>
  14#include <asm/arch/at91_common.h>
  15#include <asm/arch/at91_rstc.h>
  16#include <asm/arch/clk.h>
  17#include <asm/arch/gpio.h>
  18
  19#include <lcd.h>
  20#include <atmel_lcdc.h>
  21#include <atmel_mci.h>
  22#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
  23#include <net.h>
  24#endif
  25
  26DECLARE_GLOBAL_DATA_PTR;
  27
  28/* ------------------------------------------------------------------------- */
  29/*
  30 * Miscelaneous platform dependent initialisations
  31 */
  32
  33#ifdef CONFIG_CMD_NAND
  34static void at91sam9rlek_nand_hw_init(void)
  35{
  36        struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
  37        struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
  38        unsigned long csa;
  39
  40        /* Enable CS3 */
  41        csa = readl(&matrix->ebicsa);
  42        csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
  43
  44        writel(csa, &matrix->ebicsa);
  45
  46        /* Configure SMC CS3 for NAND/SmartMedia */
  47        writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  48                AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  49                &smc->cs[3].setup);
  50        writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  51                AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  52                &smc->cs[3].pulse);
  53        writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  54                &smc->cs[3].cycle);
  55        writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  56                AT91_SMC_MODE_EXNW_DISABLE |
  57#ifdef CONFIG_SYS_NAND_DBW_16
  58                AT91_SMC_MODE_DBW_16 |
  59#else /* CONFIG_SYS_NAND_DBW_8 */
  60                AT91_SMC_MODE_DBW_8 |
  61#endif
  62                AT91_SMC_MODE_TDF_CYCLE(2),
  63                &smc->cs[3].mode);
  64
  65        at91_periph_clk_enable(ATMEL_ID_PIOD);
  66
  67        /* Configure RDY/BSY */
  68        at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
  69
  70        /* Enable NandFlash */
  71        at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  72
  73        at91_set_A_periph(AT91_PIN_PB4, 0);             /* NANDOE */
  74        at91_set_A_periph(AT91_PIN_PB5, 0);             /* NANDWE */
  75}
  76#endif
  77
  78#ifdef CONFIG_LCD
  79vidinfo_t panel_info = {
  80        .vl_col =               240,
  81        .vl_row =               320,
  82        .vl_clk =               4965000,
  83        .vl_sync =              ATMEL_LCDC_INVLINE_INVERTED |
  84                                ATMEL_LCDC_INVFRAME_INVERTED,
  85        .vl_bpix =              3,
  86        .vl_tft =               1,
  87        .vl_hsync_len =         5,
  88        .vl_left_margin =       1,
  89        .vl_right_margin =      33,
  90        .vl_vsync_len =         1,
  91        .vl_upper_margin =      1,
  92        .vl_lower_margin =      0,
  93        .mmio =                 ATMEL_BASE_LCDC,
  94};
  95
  96void lcd_enable(void)
  97{
  98        at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
  99}
 100
 101void lcd_disable(void)
 102{
 103        at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
 104}
 105static void at91sam9rlek_lcd_hw_init(void)
 106{
 107        at91_set_B_periph(AT91_PIN_PC1, 0);     /* LCDPWR */
 108        at91_set_A_periph(AT91_PIN_PC5, 0);     /* LCDHSYNC */
 109        at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDDOTCK */
 110        at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDDEN */
 111        at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDCC */
 112        at91_set_B_periph(AT91_PIN_PC9, 0);     /* LCDD3 */
 113        at91_set_B_periph(AT91_PIN_PC10, 0);    /* LCDD4 */
 114        at91_set_B_periph(AT91_PIN_PC11, 0);    /* LCDD5 */
 115        at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD6 */
 116        at91_set_B_periph(AT91_PIN_PC13, 0);    /* LCDD7 */
 117        at91_set_B_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 118        at91_set_B_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 119        at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD13 */
 120        at91_set_B_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 121        at91_set_B_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 122        at91_set_B_periph(AT91_PIN_PC20, 0);    /* LCDD18 */
 123        at91_set_B_periph(AT91_PIN_PC21, 0);    /* LCDD19 */
 124        at91_set_B_periph(AT91_PIN_PC22, 0);    /* LCDD20 */
 125        at91_set_B_periph(AT91_PIN_PC23, 0);    /* LCDD21 */
 126        at91_set_B_periph(AT91_PIN_PC24, 0);    /* LCDD22 */
 127        at91_set_B_periph(AT91_PIN_PC25, 0);    /* LCDD23 */
 128
 129        at91_periph_clk_enable(ATMEL_ID_LCDC);
 130}
 131
 132#ifdef CONFIG_LCD_INFO
 133#include <nand.h>
 134#include <version.h>
 135
 136void lcd_show_board_info(void)
 137{
 138        ulong dram_size, nand_size;
 139        int i;
 140        char temp[32];
 141
 142        lcd_printf ("%s\n", U_BOOT_VERSION);
 143        lcd_printf ("(C) 2008 ATMEL Corp\n");
 144        lcd_printf ("at91support@atmel.com\n");
 145        lcd_printf ("%s CPU at %s MHz\n",
 146                ATMEL_CPU_NAME,
 147                strmhz(temp, get_cpu_clk_rate()));
 148
 149        dram_size = 0;
 150        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 151                dram_size += gd->bd->bi_dram[i].size;
 152        nand_size = 0;
 153        for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 154                nand_size += nand_info[i].size;
 155        lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
 156                dram_size >> 20,
 157                nand_size >> 20 );
 158}
 159#endif /* CONFIG_LCD_INFO */
 160#endif
 161
 162#ifdef CONFIG_GENERIC_ATMEL_MCI
 163int board_mmc_init(bd_t *bis)
 164{
 165        at91_mci_hw_init();
 166
 167        return atmel_mci_init((void *)ATMEL_BASE_MCI);
 168}
 169#endif
 170
 171int board_early_init_f(void)
 172{
 173        at91_periph_clk_enable(ATMEL_ID_PIOA);
 174        at91_periph_clk_enable(ATMEL_ID_PIOB);
 175        at91_periph_clk_enable(ATMEL_ID_PIOC);
 176        at91_periph_clk_enable(ATMEL_ID_PIOD);
 177
 178        return 0;
 179}
 180
 181int board_init(void)
 182{
 183        /* arch number of AT91SAM9RLEK-Board */
 184        gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
 185        /* adress of boot parameters */
 186        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 187
 188        at91_seriald_hw_init();
 189#ifdef CONFIG_CMD_NAND
 190        at91sam9rlek_nand_hw_init();
 191#endif
 192#ifdef CONFIG_HAS_DATAFLASH
 193        at91_spi0_hw_init(1 << 0);
 194#endif
 195#ifdef CONFIG_LCD
 196        at91sam9rlek_lcd_hw_init();
 197#endif
 198        return 0;
 199}
 200
 201int dram_init(void)
 202{
 203        gd->ram_size = get_ram_size(
 204                (void *)CONFIG_SYS_SDRAM_BASE,
 205                CONFIG_SYS_SDRAM_SIZE);
 206        return 0;
 207}
 208