board/atmel/at91sam9261ek/at91sam9261ek.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/at91sam9261.h>
  12 #include <asm/arch/at91sam9261_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 #include <lcd.h>
  19 #include <atmel_lcdc.h>
  20 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
  21 #include <net.h>
  22 #include <netdev.h>
  23 #endif
  24 #include <asm/mach-types.h>
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 /* ------------------------------------------------------------------------- */
  29 /*
  30  * Miscelaneous platform dependent initialisations
  31  */
  32
  33 #ifdef CONFIG_CMD_NAND
  34 static void at91sam9261ek_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 #ifdef CONFIG_AT91SAM9G10EK
  48         writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
  49                 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
  50                 &smc->cs[3].setup);
  51         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(7) |
  52                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(7),
  53                 &smc->cs[3].pulse);
  54         writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
  55                 &smc->cs[3].cycle);
  56 #else
  57         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  58                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  59                 &smc->cs[3].setup);
  60         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  61                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  62                 &smc->cs[3].pulse);
  63         writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  64                 &smc->cs[3].cycle);
  65 #endif
  66         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  67                        AT91_SMC_MODE_EXNW_DISABLE |
  68 #ifdef CONFIG_SYS_NAND_DBW_16
  69                        AT91_SMC_MODE_DBW_16 |
  70 #else /* CONFIG_SYS_NAND_DBW_8 */
  71                        AT91_SMC_MODE_DBW_8 |
  72 #endif
  73                        AT91_SMC_MODE_TDF_CYCLE(2),
  74                        &smc->cs[3].mode);
  75
  76         at91_periph_clk_enable(ATMEL_ID_PIOC);
  77
  78         /* Configure RDY/BSY */
  79         at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
  80
  81         /* Enable NandFlash */
  82         at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  83
  84         at91_set_A_periph(AT91_PIN_PC0, 0);     /* NANDOE */
  85         at91_set_A_periph(AT91_PIN_PC1, 0);     /* NANDWE */
  86 }
  87 #endif
  88
  89 #ifdef CONFIG_DRIVER_DM9000
  90 static void at91sam9261ek_dm9000_hw_init(void)
  91 {
  92         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
  93
  94         /* Configure SMC CS2 for DM9000 */
  95 #ifdef CONFIG_AT91SAM9G10EK
  96         writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) |
  97                 AT91_SMC_SETUP_NRD(3) | AT91_SMC_SETUP_NCS_RD(0),
  98                 &smc->cs[2].setup);
  99         writel(AT91_SMC_PULSE_NWE(6) | AT91_SMC_PULSE_NCS_WR(8) |
 100                 AT91_SMC_PULSE_NRD(6) | AT91_SMC_PULSE_NCS_RD(8),
 101                 &smc->cs[2].pulse);
 102         writel(AT91_SMC_CYCLE_NWE(20) | AT91_SMC_CYCLE_NRD(20),
 103                 &smc->cs[2].cycle);
 104         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
 105                        AT91_SMC_MODE_EXNW_DISABLE |
 106                        AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
 107                        AT91_SMC_MODE_TDF_CYCLE(1),
 108                        &smc->cs[2].mode);
 109 #else
 110         writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) |
 111                 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
 112                 &smc->cs[2].setup);
 113         writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
 114                 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
 115                 &smc->cs[2].pulse);
 116         writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
 117                 &smc->cs[2].cycle);
 118         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
 119                        AT91_SMC_MODE_EXNW_DISABLE |
 120                        AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
 121                        AT91_SMC_MODE_TDF_CYCLE(1),
 122                        &smc->cs[2].mode);
 123 #endif
 124
 125         /* Configure Reset signal as output */
 126         at91_set_gpio_output(AT91_PIN_PC10, 0);
 127
 128         /* Configure Interrupt pin as input, no pull-up */
 129         at91_set_gpio_input(AT91_PIN_PC11, 0);
 130 }
 131 #endif
 132
 133 #ifdef CONFIG_LCD
 134 vidinfo_t panel_info = {
 135         .vl_col =               240,
 136         .vl_row =               320,
 137         .vl_clk =               4965000,
 138         .vl_sync =              ATMEL_LCDC_INVLINE_INVERTED |
 139                                 ATMEL_LCDC_INVFRAME_INVERTED,
 140         .vl_bpix =              3,
 141         .vl_tft =               1,
 142         .vl_hsync_len =         5,
 143         .vl_left_margin =       1,
 144         .vl_right_margin =      33,
 145         .vl_vsync_len =         1,
 146         .vl_upper_margin =      1,
 147         .vl_lower_margin =      0,
 148         .mmio =                 ATMEL_BASE_LCDC,
 149 };
 150
 151 void lcd_enable(void)
 152 {
 153         at91_set_gpio_value(AT91_PIN_PA12, 0);  /* power up */
 154 }
 155
 156 void lcd_disable(void)
 157 {
 158         at91_set_gpio_value(AT91_PIN_PA12, 1);  /* power down */
 159 }
 160
 161 static void at91sam9261ek_lcd_hw_init(void)
 162 {
 163         at91_set_A_periph(AT91_PIN_PB1, 0);     /* LCDHSYNC */
 164         at91_set_A_periph(AT91_PIN_PB2, 0);     /* LCDDOTCK */
 165         at91_set_A_periph(AT91_PIN_PB3, 0);     /* LCDDEN */
 166         at91_set_A_periph(AT91_PIN_PB4, 0);     /* LCDCC */
 167         at91_set_A_periph(AT91_PIN_PB7, 0);     /* LCDD2 */
 168         at91_set_A_periph(AT91_PIN_PB8, 0);     /* LCDD3 */
 169         at91_set_A_periph(AT91_PIN_PB9, 0);     /* LCDD4 */
 170         at91_set_A_periph(AT91_PIN_PB10, 0);    /* LCDD5 */
 171         at91_set_A_periph(AT91_PIN_PB11, 0);    /* LCDD6 */
 172         at91_set_A_periph(AT91_PIN_PB12, 0);    /* LCDD7 */
 173         at91_set_A_periph(AT91_PIN_PB15, 0);    /* LCDD10 */
 174         at91_set_A_periph(AT91_PIN_PB16, 0);    /* LCDD11 */
 175         at91_set_A_periph(AT91_PIN_PB17, 0);    /* LCDD12 */
 176         at91_set_A_periph(AT91_PIN_PB18, 0);    /* LCDD13 */
 177         at91_set_A_periph(AT91_PIN_PB19, 0);    /* LCDD14 */
 178         at91_set_A_periph(AT91_PIN_PB20, 0);    /* LCDD15 */
 179         at91_set_B_periph(AT91_PIN_PB23, 0);    /* LCDD18 */
 180         at91_set_B_periph(AT91_PIN_PB24, 0);    /* LCDD19 */
 181         at91_set_B_periph(AT91_PIN_PB25, 0);    /* LCDD20 */
 182         at91_set_B_periph(AT91_PIN_PB26, 0);    /* LCDD21 */
 183         at91_set_B_periph(AT91_PIN_PB27, 0);    /* LCDD22 */
 184         at91_set_B_periph(AT91_PIN_PB28, 0);    /* LCDD23 */
 185
 186         at91_system_clk_enable(AT91_PMC_HCK1);
 187
 188         /* For 9G10EK, let U-Boot allocate the framebuffer in SDRAM */
 189 #ifdef CONFIG_AT91SAM9261EK
 190         gd->fb_base = ATMEL_BASE_SRAM;
 191 #endif
 192 }
 193
 194 #ifdef CONFIG_LCD_INFO
 195 #include <nand.h>
 196 #include <version.h>
 197
 198 void lcd_show_board_info(void)
 199 {
 200         ulong dram_size, nand_size;
 201         int i;
 202         char temp[32];
 203
 204         lcd_printf ("%s\n", U_BOOT_VERSION);
 205         lcd_printf ("(C) 2008 ATMEL Corp\n");
 206         lcd_printf ("at91support@atmel.com\n");
 207         lcd_printf ("%s CPU at %s MHz\n",
 208                 ATMEL_CPU_NAME,
 209                 strmhz(temp, get_cpu_clk_rate()));
 210
 211         dram_size = 0;
 212         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 213                 dram_size += gd->bd->bi_dram[i].size;
 214         nand_size = 0;
 215         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 216                 nand_size += nand_info[i]->size;
 217         lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
 218                 dram_size >> 20,
 219                 nand_size >> 20 );
 220 }
 221 #endif /* CONFIG_LCD_INFO */
 222 #endif
 223
 224 int board_init(void)
 225 {
 226 #ifdef CONFIG_AT91SAM9G10EK
 227         /* arch number of AT91SAM9G10EK-Board */
 228         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G10EK;
 229 #else
 230         /* arch number of AT91SAM9261EK-Board */
 231         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK;
 232 #endif
 233         /* adress of boot parameters */
 234         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 235
 236         at91_seriald_hw_init();
 237 #ifdef CONFIG_CMD_NAND
 238         at91sam9261ek_nand_hw_init();
 239 #endif
 240 #ifdef CONFIG_HAS_DATAFLASH
 241         at91_spi0_hw_init(1 << 0);
 242 #endif
 243 #ifdef CONFIG_DRIVER_DM9000
 244         at91sam9261ek_dm9000_hw_init();
 245 #endif
 246 #ifdef CONFIG_LCD
 247         at91sam9261ek_lcd_hw_init();
 248 #endif
 249         return 0;
 250 }
 251
 252 #ifdef CONFIG_DRIVER_DM9000
 253 int board_eth_init(bd_t *bis)
 254 {
 255         return dm9000_initialize(bis);
 256 }
 257 #endif
 258
 259 int dram_init(void)
 260 {
 261         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
 262                 CONFIG_SYS_SDRAM_SIZE);
 263
 264         return 0;
 265 }
 266
 267 #ifdef CONFIG_RESET_PHY_R
 268 void reset_phy(void)
 269 {
 270 #ifdef CONFIG_DRIVER_DM9000
 271         /*
 272          * Initialize ethernet HW addr prior to starting Linux,
 273          * needed for nfsroot
 274          */
 275         eth_init();
 276 #endif
 277 }
 278 #endif