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
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 /* ------------------------------------------------------------------------- */
  29 /*
  30  * Miscelaneous platform dependent initialisations
  31  */
  32
  33 #ifdef CONFIG_CMD_NAND
  34 static 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
  79 vidinfo_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
  96 void lcd_enable(void)
  97 {
  98         at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
  99 }
 100
 101 void lcd_disable(void)
 102 {
 103         at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
 104 }
 105 static 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
 136 void 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
 163 int 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
 171 int 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
 181 int 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
 201 int 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 }