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_pmc.h>
  31 #include <asm/arch/at91_rstc.h>
  32 #include <asm/arch/gpio.h>
  33 #include <asm/arch/io.h>
  34 #include <asm/arch/hardware.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 #include <netdev.h>
  41
  42 DECLARE_GLOBAL_DATA_PTR;
  43
  44 /* ------------------------------------------------------------------------- */
  45 /*
  46  * Miscelaneous platform dependent initialisations
  47  */
  48
  49 static void at91sam9263ek_serial_hw_init(void)
  50 {
  51 #ifdef CONFIG_USART0
  52         at91_set_A_periph(AT91_PIN_PA26, 1);            /* TXD0 */
  53         at91_set_A_periph(AT91_PIN_PA27, 0);            /* RXD0 */
  54         at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
  55 #endif
  56
  57 #ifdef CONFIG_USART1
  58         at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
  59         at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
  60         at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
  61 #endif
  62
  63 #ifdef CONFIG_USART2
  64         at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
  65         at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
  66         at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
  67 #endif
  68
  69 #ifdef CONFIG_USART3    /* DBGU */
  70         at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
  71         at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
  72         at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
  73 #endif
  74 }
  75
  76 #ifdef CONFIG_CMD_NAND
  77 static void at91sam9263ek_nand_hw_init(void)
  78 {
  79         unsigned long csa;
  80
  81         /* Enable CS3 */
  82         csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
  83         at91_sys_write(AT91_MATRIX_EBI0CSA,
  84                        csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
  85
  86         /* Configure SMC CS3 for NAND/SmartMedia */
  87         at91_sys_write(AT91_SMC_SETUP(3),
  88                        AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
  89                        AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
  90         at91_sys_write(AT91_SMC_PULSE(3),
  91                        AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
  92                        AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
  93         at91_sys_write(AT91_SMC_CYCLE(3),
  94                        AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
  95         at91_sys_write(AT91_SMC_MODE(3),
  96                        AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
  97                        AT91_SMC_EXNWMODE_DISABLE |
  98 #ifdef CFG_NAND_DBW_16
  99                        AT91_SMC_DBW_16 |
 100 #else /* CFG_NAND_DBW_8 */
 101                        AT91_SMC_DBW_8 |
 102 #endif
 103                        AT91_SMC_TDF_(2));
 104
 105         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA |
 106                                       1 << AT91SAM9263_ID_PIOCDE);
 107
 108         /* Configure RDY/BSY */
 109         at91_set_gpio_input(AT91_PIN_PA22, 1);
 110
 111         /* Enable NandFlash */
 112         at91_set_gpio_output(AT91_PIN_PD15, 1);
 113 }
 114 #endif
 115
 116 #ifdef CONFIG_HAS_DATAFLASH
 117 static void at91sam9263ek_spi_hw_init(void)
 118 {
 119         at91_set_B_periph(AT91_PIN_PA5, 0);     /* SPI0_NPCS0 */
 120
 121         at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 122         at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 123         at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
 124
 125         /* Enable clock */
 126         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0);
 127 }
 128 #endif
 129
 130 #ifdef CONFIG_MACB
 131 static void at91sam9263ek_macb_hw_init(void)
 132 {
 133         /* Enable clock */
 134         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
 135
 136         /*
 137          * Disable pull-up on:
 138          *      RXDV (PC25) => PHY normal mode (not Test mode)
 139          *      ERX0 (PE25) => PHY ADDR0
 140          *      ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
 141          *
 142          * PHY has internal pull-down
 143          */
 144         writel(pin_to_mask(AT91_PIN_PC25),
 145                pin_to_controller(AT91_PIN_PC0) + PIO_PUDR);
 146         writel(pin_to_mask(AT91_PIN_PE25) |
 147                pin_to_mask(AT91_PIN_PE26),
 148                pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);
 149
 150         /* Need to reset PHY -> 500ms reset */
 151         at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
 152                                      (AT91_RSTC_ERSTL & (0x0D << 8)) |
 153                                      AT91_RSTC_URSTEN);
 154
 155         at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
 156
 157         /* Wait for end hardware reset */
 158         while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
 159
 160         /* Restore NRST value */
 161         at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
 162                                      (AT91_RSTC_ERSTL & (0x0 << 8)) |
 163                                      AT91_RSTC_URSTEN);
 164
 165         /* Re-enable pull-up */
 166         writel(pin_to_mask(AT91_PIN_PC25),
 167                pin_to_controller(AT91_PIN_PC0) + PIO_PUER);
 168         writel(pin_to_mask(AT91_PIN_PE25) |
 169                pin_to_mask(AT91_PIN_PE26),
 170                pin_to_controller(AT91_PIN_PE0) + PIO_PUER);
 171
 172         at91_set_A_periph(AT91_PIN_PE21, 0);    /* ETXCK_EREFCK */
 173         at91_set_B_periph(AT91_PIN_PC25, 0);    /* ERXDV */
 174         at91_set_A_periph(AT91_PIN_PE25, 0);    /* ERX0 */
 175         at91_set_A_periph(AT91_PIN_PE26, 0);    /* ERX1 */
 176         at91_set_A_periph(AT91_PIN_PE27, 0);    /* ERXER */
 177         at91_set_A_periph(AT91_PIN_PE28, 0);    /* ETXEN */
 178         at91_set_A_periph(AT91_PIN_PE23, 0);    /* ETX0 */
 179         at91_set_A_periph(AT91_PIN_PE24, 0);    /* ETX1 */
 180         at91_set_A_periph(AT91_PIN_PE30, 0);    /* EMDIO */
 181         at91_set_A_periph(AT91_PIN_PE29, 0);    /* EMDC */
 182
 183 #ifndef CONFIG_RMII
 184         at91_set_A_periph(AT91_PIN_PE22, 0);    /* ECRS */
 185         at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
 186         at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
 187         at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
 188         at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
 189         at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
 190         at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
 191         at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
 192 #endif
 193
 194 }
 195 #endif
 196
 197 #ifdef CONFIG_USB_OHCI_NEW
 198 static void at91sam9263ek_uhp_hw_init(void)
 199 {
 200         /* Enable VBus on UHP ports */
 201         at91_set_gpio_output(AT91_PIN_PA21, 0);
 202         at91_set_gpio_output(AT91_PIN_PA24, 0);
 203 }
 204 #endif
 205
 206 #ifdef CONFIG_LCD
 207 vidinfo_t panel_info = {
 208         vl_col:         240,
 209         vl_row:         320,
 210         vl_clk:         4965000,
 211         vl_sync:        ATMEL_LCDC_INVLINE_INVERTED |
 212                         ATMEL_LCDC_INVFRAME_INVERTED,
 213         vl_bpix:        3,
 214         vl_tft:         1,
 215         vl_hsync_len:   5,
 216         vl_left_margin: 1,
 217         vl_right_margin:33,
 218         vl_vsync_len:   1,
 219         vl_upper_margin:1,
 220         vl_lower_margin:0,
 221         mmio:           AT91SAM9263_LCDC_BASE,
 222 };
 223
 224 void lcd_enable(void)
 225 {
 226         at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power up */
 227 }
 228
 229 void lcd_disable(void)
 230 {
 231         at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power down */
 232 }
 233
 234 static void at91sam9263ek_lcd_hw_init(void)
 235 {
 236         at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 237         at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 238         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 239         at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 240         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 241         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 242         at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 243         at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 244         at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 245         at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 246         at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 247         at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 248         at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 249         at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD13 */
 250         at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 251         at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 252         at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 253         at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 254         at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 255         at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD21 */
 256         at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 257         at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 258
 259         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC);
 260
 261         gd->fb_base = AT91SAM9263_SRAM0_BASE;
 262 }
 263 #endif
 264
 265 int board_init(void)
 266 {
 267         /* Enable Ctrlc */
 268         console_init_f();
 269
 270         /* arch number of AT91SAM9263EK-Board */
 271         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK;
 272         /* adress of boot parameters */
 273         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 274
 275         at91sam9263ek_serial_hw_init();
 276 #ifdef CONFIG_CMD_NAND
 277         at91sam9263ek_nand_hw_init();
 278 #endif
 279 #ifdef CONFIG_HAS_DATAFLASH
 280         at91sam9263ek_spi_hw_init();
 281 #endif
 282 #ifdef CONFIG_MACB
 283         at91sam9263ek_macb_hw_init();
 284 #endif
 285 #ifdef CONFIG_USB_OHCI_NEW
 286         at91sam9263ek_uhp_hw_init();
 287 #endif
 288 #ifdef CONFIG_LCD
 289         at91sam9263ek_lcd_hw_init();
 290 #endif
 291         return 0;
 292 }
 293
 294 int dram_init(void)
 295 {
 296         gd->bd->bi_dram[0].start = PHYS_SDRAM;
 297         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 298         return 0;
 299 }
 300
 301 #ifdef CONFIG_RESET_PHY_R
 302 void reset_phy(void)
 303 {
 304 #ifdef CONFIG_MACB
 305         /*
 306          * Initialize ethernet HW addr prior to starting Linux,
 307          * needed for nfsroot
 308          */
 309         eth_init(gd->bd);
 310 #endif
 311 }
 312 #endif
 313
 314 int board_eth_init(bd_t *bis)
 315 {
 316         int rc = 0;
 317 #ifdef CONFIG_MACB
 318         rc = macb_eth_initialize(0, (void *)AT91_BASE_EMAC, 0x00);
 319 #endif
 320         return rc;
 321 }