board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.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 <debug_uart.h>
  11 #include <asm/io.h>
  12 #include <asm/arch/clk.h>
  13 #include <asm/arch/at91sam9g45_matrix.h>
  14 #include <asm/arch/at91sam9_smc.h>
  15 #include <asm/arch/at91_common.h>
  16 #include <asm/arch/gpio.h>
  17 #include <asm/arch/clk.h>
  18 #include <lcd.h>
  19 #include <linux/mtd/nand.h>
  20 #include <atmel_lcdc.h>
  21 #include <asm/mach-types.h>
  22
  23 DECLARE_GLOBAL_DATA_PTR;
  24
  25 /* ------------------------------------------------------------------------- */
  26 /*
  27  * Miscelaneous platform dependent initialisations
  28  */
  29
  30 #ifdef CONFIG_CMD_NAND
  31 void at91sam9m10g45ek_nand_hw_init(void)
  32 {
  33         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
  34         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
  35         unsigned long csa;
  36
  37         /* Enable CS3 */
  38         csa = readl(&matrix->ebicsa);
  39         csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
  40         writel(csa, &matrix->ebicsa);
  41
  42         /* Configure SMC CS3 for NAND/SmartMedia */
  43         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  44                AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  45                &smc->cs[3].setup);
  46         writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
  47                AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
  48                &smc->cs[3].pulse);
  49         writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
  50                &smc->cs[3].cycle);
  51         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  52                AT91_SMC_MODE_EXNW_DISABLE |
  53 #ifdef CONFIG_SYS_NAND_DBW_16
  54                AT91_SMC_MODE_DBW_16 |
  55 #else /* CONFIG_SYS_NAND_DBW_8 */
  56                AT91_SMC_MODE_DBW_8 |
  57 #endif
  58                AT91_SMC_MODE_TDF_CYCLE(3),
  59                &smc->cs[3].mode);
  60
  61         at91_periph_clk_enable(ATMEL_ID_PIOC);
  62
  63         /* Configure RDY/BSY */
  64         at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
  65
  66         /* Enable NandFlash */
  67         at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  68 }
  69 #endif
  70
  71 #if defined(CONFIG_SPL_BUILD)
  72 #include <spl.h>
  73 #include <nand.h>
  74
  75 void at91_spl_board_init(void)
  76 {
  77         /*
  78          * On the at91sam9m10g45ek board, the chip wm9711 stays in the
  79          * test mode, so it needs do some action to exit test mode.
  80          */
  81         at91_periph_clk_enable(ATMEL_ID_PIODE);
  82         at91_set_gpio_output(AT91_PIN_PD7, 0);
  83         at91_set_gpio_output(AT91_PIN_PD8, 0);
  84         at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1);
  85         at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1);
  86
  87 #ifdef CONFIG_SYS_USE_MMC
  88         at91_mci_hw_init();
  89 #elif CONFIG_SYS_USE_NANDFLASH
  90         at91sam9m10g45ek_nand_hw_init();
  91 #endif
  92 }
  93
  94 #include <asm/arch/atmel_mpddrc.h>
  95 static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
  96 {
  97         ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
  98
  99         ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
 100                     ATMEL_MPDDRC_CR_NR_ROW_14 |
 101                     ATMEL_MPDDRC_CR_DQMS_SHARED |
 102                     ATMEL_MPDDRC_CR_CAS_DDR_CAS3);
 103
 104         ddr2->rtr = 0x24b;
 105
 106         ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */
 107                       2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */
 108                       2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */
 109                       8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */
 110                       2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */
 111                       1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/
 112                       1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */
 113                       2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */
 114
 115         ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */
 116                       200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
 117                       16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
 118                       14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
 119
 120         ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
 121                       0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
 122                       7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
 123                       2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
 124 }
 125
 126 void mem_init(void)
 127 {
 128         struct atmel_mpddrc_config ddr2;
 129
 130         ddr2_conf(&ddr2);
 131
 132         at91_system_clk_enable(AT91_PMC_DDR);
 133
 134         /* DDRAM2 Controller initialize */
 135         ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
 136 }
 137 #endif
 138
 139 #ifdef CONFIG_CMD_USB
 140 static void at91sam9m10g45ek_usb_hw_init(void)
 141 {
 142         at91_periph_clk_enable(ATMEL_ID_PIODE);
 143
 144         at91_set_gpio_output(AT91_PIN_PD1, 0);
 145         at91_set_gpio_output(AT91_PIN_PD3, 0);
 146 }
 147 #endif
 148
 149 #ifdef CONFIG_LCD
 150
 151 vidinfo_t panel_info = {
 152         .vl_col =               480,
 153         .vl_row =               272,
 154         .vl_clk =               9000000,
 155         .vl_sync =              ATMEL_LCDC_INVLINE_NORMAL |
 156                                 ATMEL_LCDC_INVFRAME_NORMAL,
 157         .vl_bpix =              3,
 158         .vl_tft =               1,
 159         .vl_hsync_len =         45,
 160         .vl_left_margin =       1,
 161         .vl_right_margin =      1,
 162         .vl_vsync_len =         1,
 163         .vl_upper_margin =      40,
 164         .vl_lower_margin =      1,
 165         .mmio =                 ATMEL_BASE_LCDC,
 166 };
 167
 168
 169 void lcd_enable(void)
 170 {
 171         at91_set_A_periph(AT91_PIN_PE6, 1);     /* power up */
 172 }
 173
 174 void lcd_disable(void)
 175 {
 176         at91_set_A_periph(AT91_PIN_PE6, 0);     /* power down */
 177 }
 178
 179 static void at91sam9m10g45ek_lcd_hw_init(void)
 180 {
 181         at91_set_A_periph(AT91_PIN_PE0, 0);     /* LCDDPWR */
 182         at91_set_A_periph(AT91_PIN_PE2, 0);     /* LCDCC */
 183         at91_set_A_periph(AT91_PIN_PE3, 0);     /* LCDVSYNC */
 184         at91_set_A_periph(AT91_PIN_PE4, 0);     /* LCDHSYNC */
 185         at91_set_A_periph(AT91_PIN_PE5, 0);     /* LCDDOTCK */
 186
 187         at91_set_A_periph(AT91_PIN_PE7, 0);     /* LCDD0 */
 188         at91_set_A_periph(AT91_PIN_PE8, 0);     /* LCDD1 */
 189         at91_set_A_periph(AT91_PIN_PE9, 0);     /* LCDD2 */
 190         at91_set_A_periph(AT91_PIN_PE10, 0);    /* LCDD3 */
 191         at91_set_A_periph(AT91_PIN_PE11, 0);    /* LCDD4 */
 192         at91_set_A_periph(AT91_PIN_PE12, 0);    /* LCDD5 */
 193         at91_set_A_periph(AT91_PIN_PE13, 0);    /* LCDD6 */
 194         at91_set_A_periph(AT91_PIN_PE14, 0);    /* LCDD7 */
 195         at91_set_A_periph(AT91_PIN_PE15, 0);    /* LCDD8 */
 196         at91_set_A_periph(AT91_PIN_PE16, 0);    /* LCDD9 */
 197         at91_set_A_periph(AT91_PIN_PE17, 0);    /* LCDD10 */
 198         at91_set_A_periph(AT91_PIN_PE18, 0);    /* LCDD11 */
 199         at91_set_A_periph(AT91_PIN_PE19, 0);    /* LCDD12 */
 200         at91_set_B_periph(AT91_PIN_PE20, 0);    /* LCDD13 */
 201         at91_set_A_periph(AT91_PIN_PE21, 0);    /* LCDD14 */
 202         at91_set_A_periph(AT91_PIN_PE22, 0);    /* LCDD15 */
 203         at91_set_A_periph(AT91_PIN_PE23, 0);    /* LCDD16 */
 204         at91_set_A_periph(AT91_PIN_PE24, 0);    /* LCDD17 */
 205         at91_set_A_periph(AT91_PIN_PE25, 0);    /* LCDD18 */
 206         at91_set_A_periph(AT91_PIN_PE26, 0);    /* LCDD19 */
 207         at91_set_A_periph(AT91_PIN_PE27, 0);    /* LCDD20 */
 208         at91_set_B_periph(AT91_PIN_PE28, 0);    /* LCDD21 */
 209         at91_set_A_periph(AT91_PIN_PE29, 0);    /* LCDD22 */
 210         at91_set_A_periph(AT91_PIN_PE30, 0);    /* LCDD23 */
 211
 212         at91_periph_clk_enable(ATMEL_ID_LCDC);
 213
 214         gd->fb_base = CONFIG_AT91SAM9G45_LCD_BASE;
 215 }
 216
 217 #ifdef CONFIG_LCD_INFO
 218 #include <nand.h>
 219 #include <version.h>
 220
 221 void lcd_show_board_info(void)
 222 {
 223         ulong dram_size, nand_size;
 224         int i;
 225         char temp[32];
 226
 227         lcd_printf ("%s\n", U_BOOT_VERSION);
 228         lcd_printf ("(C) 2008 ATMEL Corp\n");
 229         lcd_printf ("at91support@atmel.com\n");
 230         lcd_printf ("%s CPU at %s MHz\n",
 231                 ATMEL_CPU_NAME,
 232                 strmhz(temp, get_cpu_clk_rate()));
 233
 234         dram_size = 0;
 235         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 236                 dram_size += gd->bd->bi_dram[i].size;
 237         nand_size = 0;
 238         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 239                 nand_size += nand_info[i]->size;
 240         lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
 241                 dram_size >> 20,
 242                 nand_size >> 20 );
 243 }
 244 #endif /* CONFIG_LCD_INFO */
 245 #endif
 246
 247 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
 248 void board_debug_uart_init(void)
 249 {
 250         at91_seriald_hw_init();
 251 }
 252 #endif
 253
 254 #ifdef CONFIG_BOARD_EARLY_INIT_F
 255 int board_early_init_f(void)
 256 {
 257 #ifdef CONFIG_DEBUG_UART
 258         debug_uart_init();
 259 #endif
 260         return 0;
 261 }
 262 #endif
 263
 264 int board_init(void)
 265 {
 266         /* arch number of AT91SAM9M10G45EK-Board */
 267 #ifdef CONFIG_AT91SAM9M10G45EK
 268         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK;
 269 #elif defined CONFIG_AT91SAM9G45EKES
 270         gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G45EKES;
 271 #endif
 272
 273         /* adress of boot parameters */
 274         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 275
 276 #ifdef CONFIG_CMD_NAND
 277         at91sam9m10g45ek_nand_hw_init();
 278 #endif
 279 #ifdef CONFIG_CMD_USB
 280         at91sam9m10g45ek_usb_hw_init();
 281 #endif
 282 #ifdef CONFIG_LCD
 283         at91sam9m10g45ek_lcd_hw_init();
 284 #endif
 285         return 0;
 286 }
 287
 288 int dram_init(void)
 289 {
 290         gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
 291                                     CONFIG_SYS_SDRAM_SIZE);
 292         return 0;
 293 }
 294
 295 #ifdef CONFIG_RESET_PHY_R
 296 void reset_phy(void)
 297 {
 298 }
 299 #endif