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 44 DECLARE_GLOBAL_DATA_PTR; 45 46 /* ------------------------------------------------------------------------- */ 47 /* 48 * Miscelaneous platform dependent initialisations 49 */ 50 51 #ifdef CONFIG_CMD_NAND 52 static 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 92 static void at91sam9263ek_macb_hw_init(void) 93 { 94 /* Enable clock */ 95 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); 96 97 /* 98 * Disable pull-up on: 99 * RXDV (PC25) => PHY normal mode (not Test mode) 100 * ERX0 (PE25) => PHY ADDR0 101 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 102 * 103 * PHY has internal pull-down 104 */ 105 writel(pin_to_mask(AT91_PIN_PC25), 106 pin_to_controller(AT91_PIN_PC0) + PIO_PUDR); 107 writel(pin_to_mask(AT91_PIN_PE25) | 108 pin_to_mask(AT91_PIN_PE26), 109 pin_to_controller(AT91_PIN_PE0) + PIO_PUDR); 110 111 /* Need to reset PHY -> 500ms reset */ 112 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | 113 (AT91_RSTC_ERSTL & (0x0D << 8)) | 114 AT91_RSTC_URSTEN); 115 116 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); 117 118 /* Wait for end hardware reset */ 119 while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); 120 121 /* Restore NRST value */ 122 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | 123 (AT91_RSTC_ERSTL & (0x0 << 8)) | 124 AT91_RSTC_URSTEN); 125 126 /* Re-enable pull-up */ 127 writel(pin_to_mask(AT91_PIN_PC25), 128 pin_to_controller(AT91_PIN_PC0) + PIO_PUER); 129 writel(pin_to_mask(AT91_PIN_PE25) | 130 pin_to_mask(AT91_PIN_PE26), 131 pin_to_controller(AT91_PIN_PE0) + PIO_PUER); 132 133 at91_macb_hw_init(); 134 } 135 #endif 136 137 #ifdef CONFIG_LCD 138 vidinfo_t panel_info = { 139 vl_col: 240, 140 vl_row: 320, 141 vl_clk: 4965000, 142 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 143 ATMEL_LCDC_INVFRAME_INVERTED, 144 vl_bpix: 3, 145 vl_tft: 1, 146 vl_hsync_len: 5, 147 vl_left_margin: 1, 148 vl_right_margin:33, 149 vl_vsync_len: 1, 150 vl_upper_margin:1, 151 vl_lower_margin:0, 152 mmio: AT91SAM9263_LCDC_BASE, 153 }; 154 155 void lcd_enable(void) 156 { 157 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power up */ 158 } 159 160 void lcd_disable(void) 161 { 162 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power down */ 163 } 164 165 static void at91sam9263ek_lcd_hw_init(void) 166 { 167 at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ 168 at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ 169 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ 170 at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ 171 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ 172 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ 173 at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ 174 at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ 175 at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ 176 at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ 177 at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ 178 at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 179 at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 180 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */ 181 at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 182 at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 183 at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ 184 at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ 185 at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ 186 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */ 187 at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ 188 at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ 189 190 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC); 191 192 gd->fb_base = AT91SAM9263_SRAM0_BASE; 193 } 194 195 #ifdef CONFIG_LCD_INFO 196 #include <nand.h> 197 #include <version.h> 198 199 void lcd_show_board_info(void) 200 { 201 ulong dram_size, nand_size; 202 int i; 203 char temp[32]; 204 205 lcd_printf ("%s\n", U_BOOT_VERSION); 206 lcd_printf ("(C) 2008 ATMEL Corp\n"); 207 lcd_printf ("at91support@atmel.com\n"); 208 lcd_printf ("%s CPU at %s MHz\n", 209 AT91_CPU_NAME, 210 strmhz(temp, get_cpu_clk_rate())); 211 212 dram_size = 0; 213 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 214 dram_size += gd->bd->bi_dram[i].size; 215 nand_size = 0; 216 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 217 nand_size += nand_info[i].size; 218 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 219 dram_size >> 20, 220 nand_size >> 20 ); 221 } 222 #endif /* CONFIG_LCD_INFO */ 223 #endif 224 225 int board_init(void) 226 { 227 /* Enable Ctrlc */ 228 console_init_f(); 229 230 /* arch number of AT91SAM9263EK-Board */ 231 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK; 232 /* adress of boot parameters */ 233 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 234 235 at91_serial_hw_init(); 236 #ifdef CONFIG_CMD_NAND 237 at91sam9263ek_nand_hw_init(); 238 #endif 239 #ifdef CONFIG_HAS_DATAFLASH 240 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ 241 at91_spi0_hw_init(1 << 0); 242 #endif 243 #ifdef CONFIG_MACB 244 at91sam9263ek_macb_hw_init(); 245 #endif 246 #ifdef CONFIG_USB_OHCI_NEW 247 at91_uhp_hw_init(); 248 #endif 249 #ifdef CONFIG_LCD 250 at91sam9263ek_lcd_hw_init(); 251 #endif 252 return 0; 253 } 254 255 int dram_init(void) 256 { 257 gd->bd->bi_dram[0].start = PHYS_SDRAM; 258 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 259 return 0; 260 } 261 262 #ifdef CONFIG_RESET_PHY_R 263 void reset_phy(void) 264 { 265 #ifdef CONFIG_MACB 266 /* 267 * Initialize ethernet HW addr prior to starting Linux, 268 * needed for nfsroot 269 */ 270 eth_init(gd->bd); 271 #endif 272 } 273 #endif 274 275 int board_eth_init(bd_t *bis) 276 { 277 int rc = 0; 278 #ifdef CONFIG_MACB 279 rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00); 280 #endif 281 return rc; 282 } 283