LXR uboot/board/atmel/at91sam9263ek/at91sam9263ek.c

   1/*
   2 * (C) Copyright 2007-2008
   3 * Stelian Pop <stelian.pop@leadtechdesign.com>
   4 * Lead Tech Design <www.leadtechdesign.com>
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 */
  24
  25#include <common.h>
  26#include <asm/sizes.h>
  27#include <asm/arch/at91sam9263.h>
  28#include <asm/arch/at91sam9263_matrix.h>
  29#include <asm/arch/at91sam9_smc.h>
  30#include <asm/arch/at91_common.h>
  31#include <asm/arch/at91_pmc.h>
  32#include <asm/arch/at91_rstc.h>
  33#include <asm/arch/clk.h>
  34#include <asm/arch/gpio.h>
  35#include <asm/arch/io.h>
  36#include <asm/arch/hardware.h>
  37#include <lcd.h>
  38#include <atmel_lcdc.h>
  39#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
  40#include <net.h>
  41#endif
  42#include <netdev.h>
  43
  44DECLARE_GLOBAL_DATA_PTR;
  45
  46/* ------------------------------------------------------------------------- */
  47/*
  48 * Miscelaneous platform dependent initialisations
  49 */
  50
  51#ifdef CONFIG_CMD_NAND
  52static void at91sam9263ek_nand_hw_init(void)
  53{
  54        unsigned long csa;
  55
  56        /* Enable CS3 */
  57        csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
  58        at91_sys_write(AT91_MATRIX_EBI0CSA,
  59                       csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
  60
  61        /* Configure SMC CS3 for NAND/SmartMedia */
  62        at91_sys_write(AT91_SMC_SETUP(3),
  63                       AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
  64                       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
  65        at91_sys_write(AT91_SMC_PULSE(3),
  66                       AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
  67                       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
  68        at91_sys_write(AT91_SMC_CYCLE(3),
  69                       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
  70        at91_sys_write(AT91_SMC_MODE(3),
  71                       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
  72                       AT91_SMC_EXNWMODE_DISABLE |
  73#ifdef CONFIG_SYS_NAND_DBW_16
  74                       AT91_SMC_DBW_16 |
  75#else /* CONFIG_SYS_NAND_DBW_8 */
  76                       AT91_SMC_DBW_8 |
  77#endif
  78                       AT91_SMC_TDF_(2));
  79
  80        at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA |
  81                                      1 << AT91SAM9263_ID_PIOCDE);
  82
  83        /* Configure RDY/BSY */
  84        at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
  85
  86        /* Enable NandFlash */
  87        at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  88}
  89#endif
  90
  91#ifdef CONFIG_MACB
  92static void at91sam9263ek_macb_hw_init(void)
  93{
  94        unsigned long rstc;
  95
  96        /* Enable clock */
  97        at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
  98
  99        /*
 100         * Disable pull-up on:
 101         *      RXDV (PC25) => PHY normal mode (not Test mode)
 102         *      ERX0 (PE25) => PHY ADDR0
 103         *      ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
 104         *
 105         * PHY has internal pull-down
 106         */
 107        writel(pin_to_mask(AT91_PIN_PC25),
 108               pin_to_controller(AT91_PIN_PC0) + PIO_PUDR);
 109        writel(pin_to_mask(AT91_PIN_PE25) |
 110               pin_to_mask(AT91_PIN_PE26),
 111               pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);
 112
 113        rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
 114
 115        /* Need to reset PHY -> 500ms reset */
 116        at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
 117                                     (AT91_RSTC_ERSTL & (0x0D << 8)) |
 118                                     AT91_RSTC_URSTEN);
 119
 120        at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
 121
 122        /* Wait for end hardware reset */
 123        while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
 124
 125        /* Restore NRST value */
 126        at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
 127                                     (rstc) |
 128                                     AT91_RSTC_URSTEN);
 129
 130        /* Re-enable pull-up */
 131        writel(pin_to_mask(AT91_PIN_PC25),
 132               pin_to_controller(AT91_PIN_PC0) + PIO_PUER);
 133        writel(pin_to_mask(AT91_PIN_PE25) |
 134               pin_to_mask(AT91_PIN_PE26),
 135               pin_to_controller(AT91_PIN_PE0) + PIO_PUER);
 136
 137        at91_macb_hw_init();
 138}
 139#endif
 140
 141#ifdef CONFIG_LCD
 142vidinfo_t panel_info = {
 143        vl_col:         240,
 144        vl_row:         320,
 145        vl_clk:         4965000,
 146        vl_sync:        ATMEL_LCDC_INVLINE_INVERTED |
 147                        ATMEL_LCDC_INVFRAME_INVERTED,
 148        vl_bpix:        3,
 149        vl_tft:         1,
 150        vl_hsync_len:   5,
 151        vl_left_margin: 1,
 152        vl_right_margin:33,
 153        vl_vsync_len:   1,
 154        vl_upper_margin:1,
 155        vl_lower_margin:0,
 156        mmio:           AT91SAM9263_LCDC_BASE,
 157};
 158
 159void lcd_enable(void)
 160{
 161        at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power up */
 162}
 163
 164void lcd_disable(void)
 165{
 166        at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power down */
 167}
 168
 169static void at91sam9263ek_lcd_hw_init(void)
 170{
 171        at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 172        at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 173        at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 174        at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 175        at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 176        at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 177        at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 178        at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 179        at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 180        at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 181        at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 182        at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 183        at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 184        at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD13 */
 185        at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 186        at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 187        at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 188        at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 189        at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 190        at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD21 */
 191        at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 192        at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 193
 194        at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC);
 195
 196        gd->fb_base = AT91SAM9263_SRAM0_BASE;
 197}
 198
 199#ifdef CONFIG_LCD_INFO
 200#include <nand.h>
 201#include <version.h>
 202
 203#ifndef CONFIG_SYS_NO_FLASH
 204extern flash_info_t flash_info[];
 205#endif
 206
 207void lcd_show_board_info(void)
 208{
 209        ulong dram_size, nand_size;
 210#ifndef CONFIG_SYS_NO_FLASH
 211        ulong flash_size;
 212#endif
 213        int i;
 214        char temp[32];
 215
 216        lcd_printf ("%s\n", U_BOOT_VERSION);
 217        lcd_printf ("(C) 2008 ATMEL Corp\n");
 218        lcd_printf ("at91support@atmel.com\n");
 219        lcd_printf ("%s CPU at %s MHz\n",
 220                AT91_CPU_NAME,
 221                strmhz(temp, get_cpu_clk_rate()));
 222
 223        dram_size = 0;
 224        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 225                dram_size += gd->bd->bi_dram[i].size;
 226        nand_size = 0;
 227        for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 228                nand_size += nand_info[i].size;
 229#ifndef CONFIG_SYS_NO_FLASH
 230        flash_size = 0;
 231        for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
 232                flash_size += flash_info[i].size;
 233#endif
 234        lcd_printf ("  %ld MB SDRAM, %ld MB NAND",
 235                dram_size >> 20,
 236                nand_size >> 20 );
 237#ifndef CONFIG_SYS_NO_FLASH
 238        lcd_printf (",\n  %ld MB NOR",
 239                flash_size >> 20);
 240#endif
 241        lcd_puts ("\n");
 242}
 243#endif /* CONFIG_LCD_INFO */
 244#endif
 245
 246int board_init(void)
 247{
 248        /* Enable Ctrlc */
 249        console_init_f();
 250
 251        /* arch number of AT91SAM9263EK-Board */
 252        gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK;
 253        /* adress of boot parameters */
 254        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 255
 256        at91_serial_hw_init();
 257#ifdef CONFIG_CMD_NAND
 258        at91sam9263ek_nand_hw_init();
 259#endif
 260#ifdef CONFIG_HAS_DATAFLASH
 261        at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
 262        at91_spi0_hw_init(1 << 0);
 263#endif
 264#ifdef CONFIG_MACB
 265        at91sam9263ek_macb_hw_init();
 266#endif
 267#ifdef CONFIG_USB_OHCI_NEW
 268        at91_uhp_hw_init();
 269#endif
 270#ifdef CONFIG_LCD
 271        at91sam9263ek_lcd_hw_init();
 272#endif
 273        return 0;
 274}
 275
 276int dram_init(void)
 277{
 278        gd->bd->bi_dram[0].start = PHYS_SDRAM;
 279        gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 280        return 0;
 281}
 282
 283#ifdef CONFIG_RESET_PHY_R
 284void reset_phy(void)
 285{
 286#ifdef CONFIG_MACB
 287        /*
 288         * Initialize ethernet HW addr prior to starting Linux,
 289         * needed for nfsroot
 290         */
 291        eth_init(gd->bd);
 292#endif
 293}
 294#endif
 295
 296int board_eth_init(bd_t *bis)
 297{
 298        int rc = 0;
 299#ifdef CONFIG_MACB
 300        rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00);
 301#endif
 302        return rc;
 303}
 304