board/atmel/at91sam9rlek/at91sam9rlek.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/arch/at91sam9rl.h>
  27 #include <asm/arch/at91sam9rl_matrix.h>
  28 #include <asm/arch/at91sam9_smc.h>
  29 #include <asm/arch/at91_common.h>
  30 #include <asm/arch/at91_pmc.h>
  31 #include <asm/arch/at91_rstc.h>
  32 #include <asm/arch/clk.h>
  33 #include <asm/arch/gpio.h>
  34 #include <asm/arch/io.h>
  35 #include <lcd.h>
  36 #include <atmel_lcdc.h>
  37 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
  38 #include <net.h>
  39 #endif
  40
  41 DECLARE_GLOBAL_DATA_PTR;
  42
  43 /* ------------------------------------------------------------------------- */
  44 /*
  45  * Miscelaneous platform dependent initialisations
  46  */
  47
  48 #ifdef CONFIG_CMD_NAND
  49 static void at91sam9rlek_nand_hw_init(void)
  50 {
  51         unsigned long csa;
  52
  53         /* Enable CS3 */
  54         csa = at91_sys_read(AT91_MATRIX_EBICSA);
  55         at91_sys_write(AT91_MATRIX_EBICSA,
  56                        csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
  57
  58         /* Configure SMC CS3 for NAND/SmartMedia */
  59         at91_sys_write(AT91_SMC_SETUP(3),
  60                        AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
  61                        AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
  62         at91_sys_write(AT91_SMC_PULSE(3),
  63                        AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
  64                        AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
  65         at91_sys_write(AT91_SMC_CYCLE(3),
  66                        AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
  67         at91_sys_write(AT91_SMC_MODE(3),
  68                        AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
  69                        AT91_SMC_EXNWMODE_DISABLE |
  70 #ifdef CONFIG_SYS_NAND_DBW_16
  71                        AT91_SMC_DBW_16 |
  72 #else /* CONFIG_SYS_NAND_DBW_8 */
  73                        AT91_SMC_DBW_8 |
  74 #endif
  75                        AT91_SMC_TDF_(2));
  76
  77         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);
  78
  79         /* Configure RDY/BSY */
  80         at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
  81
  82         /* Enable NandFlash */
  83         at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  84
  85         at91_set_A_periph(AT91_PIN_PB4, 0);             /* NANDOE */
  86         at91_set_A_periph(AT91_PIN_PB5, 0);             /* NANDWE */
  87 }
  88 #endif
  89
  90 #ifdef CONFIG_LCD
  91 vidinfo_t panel_info = {
  92         vl_col:         240,
  93         vl_row:         320,
  94         vl_clk:         4965000,
  95         vl_sync:        ATMEL_LCDC_INVLINE_INVERTED |
  96                         ATMEL_LCDC_INVFRAME_INVERTED,
  97         vl_bpix:        3,
  98         vl_tft:         1,
  99         vl_hsync_len:   5,
 100         vl_left_margin: 1,
 101         vl_right_margin:33,
 102         vl_vsync_len:   1,
 103         vl_upper_margin:1,
 104         vl_lower_margin:0,
 105         mmio:           AT91SAM9RL_LCDC_BASE,
 106 };
 107
 108 void lcd_enable(void)
 109 {
 110         at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
 111 }
 112
 113 void lcd_disable(void)
 114 {
 115         at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
 116 }
 117 static void at91sam9rlek_lcd_hw_init(void)
 118 {
 119         at91_set_B_periph(AT91_PIN_PC1, 0);     /* LCDPWR */
 120         at91_set_A_periph(AT91_PIN_PC5, 0);     /* LCDHSYNC */
 121         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDDOTCK */
 122         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDDEN */
 123         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDCC */
 124         at91_set_B_periph(AT91_PIN_PC9, 0);     /* LCDD3 */
 125         at91_set_B_periph(AT91_PIN_PC10, 0);    /* LCDD4 */
 126         at91_set_B_periph(AT91_PIN_PC11, 0);    /* LCDD5 */
 127         at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD6 */
 128         at91_set_B_periph(AT91_PIN_PC13, 0);    /* LCDD7 */
 129         at91_set_B_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 130         at91_set_B_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 131         at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD13 */
 132         at91_set_B_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 133         at91_set_B_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 134         at91_set_B_periph(AT91_PIN_PC20, 0);    /* LCDD18 */
 135         at91_set_B_periph(AT91_PIN_PC21, 0);    /* LCDD19 */
 136         at91_set_B_periph(AT91_PIN_PC22, 0);    /* LCDD20 */
 137         at91_set_B_periph(AT91_PIN_PC23, 0);    /* LCDD21 */
 138         at91_set_B_periph(AT91_PIN_PC24, 0);    /* LCDD22 */
 139         at91_set_B_periph(AT91_PIN_PC25, 0);    /* LCDD23 */
 140
 141         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_LCDC);
 142
 143         gd->fb_base = 0;
 144 }
 145
 146 #ifdef CONFIG_LCD_INFO
 147 #include <nand.h>
 148 #include <version.h>
 149
 150 void lcd_show_board_info(void)
 151 {
 152         ulong dram_size, nand_size;
 153         int i;
 154         char temp[32];
 155
 156         lcd_printf ("%s\n", U_BOOT_VERSION);
 157         lcd_printf ("(C) 2008 ATMEL Corp\n");
 158         lcd_printf ("at91support@atmel.com\n");
 159         lcd_printf ("%s CPU at %s MHz\n",
 160                 AT91_CPU_NAME,
 161                 strmhz(temp, get_cpu_clk_rate()));
 162
 163         dram_size = 0;
 164         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 165                 dram_size += gd->bd->bi_dram[i].size;
 166         nand_size = 0;
 167         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 168                 nand_size += nand_info[i].size;
 169         lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
 170                 dram_size >> 20,
 171                 nand_size >> 20 );
 172 }
 173 #endif /* CONFIG_LCD_INFO */
 174 #endif
 175
 176
 177 int board_init(void)
 178 {
 179         /* Enable Ctrlc */
 180         console_init_f();
 181
 182         /* arch number of AT91SAM9RLEK-Board */
 183         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
 184         /* adress of boot parameters */
 185         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 186
 187         at91_serial_hw_init();
 188 #ifdef CONFIG_CMD_NAND
 189         at91sam9rlek_nand_hw_init();
 190 #endif
 191 #ifdef CONFIG_HAS_DATAFLASH
 192         at91_spi0_hw_init(1 << 0);
 193 #endif
 194 #ifdef CONFIG_LCD
 195         at91sam9rlek_lcd_hw_init();
 196 #endif
 197         return 0;
 198 }
 199
 200 int dram_init(void)
 201 {
 202         gd->bd->bi_dram[0].start = PHYS_SDRAM;
 203         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 204         return 0;
 205 }