board/ronetix/pm9261/pm9261.c

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian.pop@leadtechdesign.com>
   4  * Lead Tech Design <www.leadtechdesign.com>
   5  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
   6  * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26
  27 #include <common.h>
  28 #include <asm/sizes.h>
  29 #include <asm/arch/at91sam9261.h>
  30 #include <asm/arch/at91sam9261_matrix.h>
  31 #include <asm/arch/at91sam9_smc.h>
  32 #include <asm/arch/at91_common.h>
  33 #include <asm/arch/at91_pmc.h>
  34 #include <asm/arch/at91_rstc.h>
  35 #include <asm/arch/clk.h>
  36 #include <asm/arch/gpio.h>
  37 #include <asm/arch/io.h>
  38 #include <asm/arch/hardware.h>
  39 #include <lcd.h>
  40 #include <atmel_lcdc.h>
  41 #include <dataflash.h>
  42 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
  43 #include <net.h>
  44 #endif
  45 #include <netdev.h>
  46
  47 DECLARE_GLOBAL_DATA_PTR;
  48
  49 /* ------------------------------------------------------------------------- */
  50 /*
  51  * Miscelaneous platform dependent initialisations
  52  */
  53
  54 #ifdef CONFIG_CMD_NAND
  55 static void pm9261_nand_hw_init(void)
  56 {
  57         unsigned long csa;
  58
  59         /* Enable CS3 */
  60         csa = at91_sys_read(AT91_MATRIX_EBICSA);
  61         at91_sys_write(AT91_MATRIX_EBICSA,
  62                        csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
  63
  64         /* Configure SMC CS3 for NAND/SmartMedia */
  65         at91_sys_write(AT91_SMC_SETUP(3),
  66                        AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
  67                        AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
  68         at91_sys_write(AT91_SMC_PULSE(3),
  69                        AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
  70                        AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
  71         at91_sys_write(AT91_SMC_CYCLE(3),
  72                        AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
  73         at91_sys_write(AT91_SMC_MODE(3),
  74                        AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
  75                        AT91_SMC_EXNWMODE_DISABLE |
  76 #ifdef CONFIG_SYS_NAND_DBW_16
  77                        AT91_SMC_DBW_16 |
  78 #else /* CONFIG_SYS_NAND_DBW_8 */
  79                        AT91_SMC_DBW_8 |
  80 #endif
  81                        AT91_SMC_TDF_(2));
  82
  83         /* Configure RDY/BSY */
  84         at91_set_gpio_input(AT91_PIN_PA16, 1);
  85
  86         /* Enable NandFlash */
  87         at91_set_gpio_output(AT91_PIN_PC14, 1);
  88
  89         at91_set_A_periph(AT91_PIN_PC0, 0);     /* NANDOE */
  90         at91_set_A_periph(AT91_PIN_PC1, 0);     /* NANDWE */
  91 }
  92 #endif
  93
  94
  95 #ifdef CONFIG_DRIVER_DM9000
  96 static void pm9261_dm9000_hw_init(void)
  97 {
  98         /* Configure SMC CS2 for DM9000 */
  99         at91_sys_write(AT91_SMC_SETUP(2),
 100                        AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
 101                        AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
 102         at91_sys_write(AT91_SMC_PULSE(2),
 103                        AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) |
 104                        AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
 105         at91_sys_write(AT91_SMC_CYCLE(2),
 106                        AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
 107         at91_sys_write(AT91_SMC_MODE(2),
 108                        AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
 109                        AT91_SMC_EXNWMODE_DISABLE |
 110                        AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 |
 111                        AT91_SMC_TDF_(1));
 112
 113         /* Configure Interrupt pin as input, no pull-up */
 114         at91_set_gpio_input(AT91_PIN_PA24, 0);
 115 }
 116 #endif
 117
 118 #ifdef CONFIG_LCD
 119 vidinfo_t panel_info = {
 120         vl_col:         240,
 121         vl_row:         320,
 122         vl_clk:         4965000,
 123         vl_sync:        ATMEL_LCDC_INVLINE_INVERTED |
 124                         ATMEL_LCDC_INVFRAME_INVERTED,
 125         vl_bpix:        3,
 126         vl_tft:         1,
 127         vl_hsync_len:   5,
 128         vl_left_margin: 1,
 129         vl_right_margin:33,
 130         vl_vsync_len:   1,
 131         vl_upper_margin:1,
 132         vl_lower_margin:0,
 133         mmio:           AT91SAM9261_LCDC_BASE,
 134 };
 135
 136 void lcd_enable(void)
 137 {
 138         at91_set_gpio_value(AT91_PIN_PA22, 0);  /* power up */
 139 }
 140
 141 void lcd_disable(void)
 142 {
 143         at91_set_gpio_value(AT91_PIN_PA22, 1);  /* power down */
 144 }
 145
 146 static void pm9261_lcd_hw_init(void)
 147 {
 148         at91_set_A_periph(AT91_PIN_PB1, 0);     /* LCDHSYNC */
 149         at91_set_A_periph(AT91_PIN_PB2, 0);     /* LCDDOTCK */
 150         at91_set_A_periph(AT91_PIN_PB3, 0);     /* LCDDEN */
 151         at91_set_A_periph(AT91_PIN_PB4, 0);     /* LCDCC */
 152         at91_set_A_periph(AT91_PIN_PB7, 0);     /* LCDD2 */
 153         at91_set_A_periph(AT91_PIN_PB8, 0);     /* LCDD3 */
 154         at91_set_A_periph(AT91_PIN_PB9, 0);     /* LCDD4 */
 155         at91_set_A_periph(AT91_PIN_PB10, 0);    /* LCDD5 */
 156         at91_set_A_periph(AT91_PIN_PB11, 0);    /* LCDD6 */
 157         at91_set_A_periph(AT91_PIN_PB12, 0);    /* LCDD7 */
 158         at91_set_A_periph(AT91_PIN_PB15, 0);    /* LCDD10 */
 159         at91_set_A_periph(AT91_PIN_PB16, 0);    /* LCDD11 */
 160         at91_set_A_periph(AT91_PIN_PB17, 0);    /* LCDD12 */
 161         at91_set_A_periph(AT91_PIN_PB18, 0);    /* LCDD13 */
 162         at91_set_A_periph(AT91_PIN_PB19, 0);    /* LCDD14 */
 163         at91_set_A_periph(AT91_PIN_PB20, 0);    /* LCDD15 */
 164         at91_set_B_periph(AT91_PIN_PB23, 0);    /* LCDD18 */
 165         at91_set_B_periph(AT91_PIN_PB24, 0);    /* LCDD19 */
 166         at91_set_B_periph(AT91_PIN_PB25, 0);    /* LCDD20 */
 167         at91_set_B_periph(AT91_PIN_PB26, 0);    /* LCDD21 */
 168         at91_set_B_periph(AT91_PIN_PB27, 0);    /* LCDD22 */
 169         at91_set_B_periph(AT91_PIN_PB28, 0);    /* LCDD23 */
 170
 171         at91_sys_write(AT91_PMC_SCER, AT91_PMC_HCK1);
 172
 173         gd->fb_base = AT91SAM9261_SRAM_BASE;
 174 }
 175
 176 #ifdef CONFIG_LCD_INFO
 177 #include <nand.h>
 178 #include <version.h>
 179
 180 extern flash_info_t flash_info[];
 181
 182 void lcd_show_board_info(void)
 183 {
 184         ulong dram_size, nand_size, flash_size, dataflash_size;
 185         int i;
 186         char temp[32];
 187
 188         lcd_printf ("%s\n", U_BOOT_VERSION);
 189         lcd_printf ("(C) 2009 Ronetix GmbH\n");
 190         lcd_printf ("support@ronetix.at\n");
 191         lcd_printf ("%s CPU at %s MHz",
 192                 CONFIG_SYS_AT91_CPU_NAME,
 193                 strmhz(temp, get_cpu_clk_rate()));
 194
 195         dram_size = 0;
 196         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 197                 dram_size += gd->bd->bi_dram[i].size;
 198
 199         nand_size = 0;
 200         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 201                 nand_size += nand_info[i].size;
 202
 203         flash_size = 0;
 204         for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
 205                 flash_size += flash_info[i].size;
 206
 207         dataflash_size = 0;
 208         for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
 209                 dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
 210                                 dataflash_info[i].Device.pages_size;
 211
 212         lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
 213                         "%ld MB DataFlash\n",
 214                 dram_size >> 20,
 215                 nand_size >> 20,
 216                 flash_size >> 20,
 217                 dataflash_size >> 20);
 218 }
 219 #endif /* CONFIG_LCD_INFO */
 220
 221 #endif /* CONFIG_LCD */
 222
 223 int board_init(void)
 224 {
 225         /* Enable Ctrlc */
 226         console_init_f();
 227
 228         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOA);
 229         at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOC);
 230
 231         /* arch number of PM9261-Board */
 232         gd->bd->bi_arch_number = MACH_TYPE_PM9261;
 233
 234         /* adress of boot parameters */
 235         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 236
 237         at91_serial_hw_init();
 238 #ifdef CONFIG_CMD_NAND
 239         pm9261_nand_hw_init();
 240 #endif
 241 #ifdef CONFIG_HAS_DATAFLASH
 242         at91_spi0_hw_init(1 << 0);
 243 #endif
 244 #ifdef CONFIG_DRIVER_DM9000
 245         pm9261_dm9000_hw_init();
 246 #endif
 247 #ifdef CONFIG_LCD
 248         pm9261_lcd_hw_init();
 249 #endif
 250         return 0;
 251 }
 252
 253 #ifdef CONFIG_DRIVER_DM9000
 254 int board_eth_init(bd_t *bis)
 255 {
 256         return dm9000_initialize(bis);
 257 }
 258 #endif
 259
 260 int dram_init(void)
 261 {
 262         gd->bd->bi_dram[0].start = PHYS_SDRAM;
 263         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 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(gd->bd);
 276 #endif
 277 }
 278 #endif
 279
 280 #ifdef CONFIG_DISPLAY_BOARDINFO
 281 int checkboard (void)
 282 {
 283         char buf[32];
 284
 285         printf ("Board : Ronetix PM9261\n");
 286         printf ("Crystal frequency: %8s MHz\n",
 287                                         strmhz(buf, get_main_clk_rate()));
 288         printf ("CPU clock        : %8s MHz\n",
 289                                         strmhz(buf, get_cpu_clk_rate()));
 290         printf ("Master clock     : %8s MHz\n",
 291                                         strmhz(buf, get_mck_clk_rate()));
 292
 293         return 0;
 294 }
 295 #endif