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 <lcd.h> 35 #include <atmel_lcdc.h> 36 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 37 #include <net.h> 38 #endif 39 40 DECLARE_GLOBAL_DATA_PTR; 41 42 /* ------------------------------------------------------------------------- */ 43 /* 44 * Miscelaneous platform dependent initialisations 45 */ 46 47 static void at91sam9263ek_serial_hw_init(void) 48 { 49 #ifdef CONFIG_USART0 50 at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */ 51 at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */ 52 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0); 53 #endif 54 55 #ifdef CONFIG_USART1 56 at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */ 57 at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */ 58 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1); 59 #endif 60 61 #ifdef CONFIG_USART2 62 at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */ 63 at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */ 64 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2); 65 #endif 66 67 #ifdef CONFIG_USART3 /* DBGU */ 68 at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ 69 at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ 70 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); 71 #endif 72 } 73 74 #ifdef CONFIG_CMD_NAND 75 static void at91sam9263ek_nand_hw_init(void) 76 { 77 unsigned long csa; 78 79 /* Enable CS3 */ 80 csa = at91_sys_read(AT91_MATRIX_EBI0CSA); 81 at91_sys_write(AT91_MATRIX_EBI0CSA, 82 csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA); 83 84 /* Configure SMC CS3 for NAND/SmartMedia */ 85 at91_sys_write(AT91_SMC_SETUP(3), 86 AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) | 87 AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); 88 at91_sys_write(AT91_SMC_PULSE(3), 89 AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | 90 AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); 91 at91_sys_write(AT91_SMC_CYCLE(3), 92 AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); 93 at91_sys_write(AT91_SMC_MODE(3), 94 AT91_SMC_READMODE | AT91_SMC_WRITEMODE | 95 AT91_SMC_EXNWMODE_DISABLE | 96 #ifdef CFG_NAND_DBW_16 97 AT91_SMC_DBW_16 | 98 #else /* CFG_NAND_DBW_8 */ 99 AT91_SMC_DBW_8 | 100 #endif 101 AT91_SMC_TDF_(2)); 102 103 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA | 104 1 << AT91SAM9263_ID_PIOCDE); 105 106 /* Configure RDY/BSY */ 107 at91_set_gpio_input(AT91_PIN_PA22, 1); 108 109 /* Enable NandFlash */ 110 at91_set_gpio_output(AT91_PIN_PD15, 1); 111 } 112 #endif 113 114 #ifdef CONFIG_HAS_DATAFLASH 115 static void at91sam9263ek_spi_hw_init(void) 116 { 117 at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */ 118 119 at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ 120 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ 121 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ 122 123 /* Enable clock */ 124 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0); 125 } 126 #endif 127 128 #ifdef CONFIG_MACB 129 static void at91sam9263ek_macb_hw_init(void) 130 { 131 /* Enable clock */ 132 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); 133 134 /* 135 * Disable pull-up on: 136 * RXDV (PC25) => PHY normal mode (not Test mode) 137 * ERX0 (PE25) => PHY ADDR0 138 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 139 * 140 * PHY has internal pull-down 141 */ 142 writel(pin_to_mask(AT91_PIN_PC25), 143 pin_to_controller(AT91_PIN_PC0) + PIO_PUDR); 144 writel(pin_to_mask(AT91_PIN_PE25) | 145 pin_to_mask(AT91_PIN_PE26), 146 pin_to_controller(AT91_PIN_PE0) + PIO_PUDR); 147 148 /* Need to reset PHY -> 500ms reset */ 149 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | 150 (AT91_RSTC_ERSTL & (0x0D << 8)) | 151 AT91_RSTC_URSTEN); 152 153 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); 154 155 /* Wait for end hardware reset */ 156 while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); 157 158 /* Restore NRST value */ 159 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | 160 (AT91_RSTC_ERSTL & (0x0 << 8)) | 161 AT91_RSTC_URSTEN); 162 163 /* Re-enable pull-up */ 164 writel(pin_to_mask(AT91_PIN_PC25), 165 pin_to_controller(AT91_PIN_PC0) + PIO_PUER); 166 writel(pin_to_mask(AT91_PIN_PE25) | 167 pin_to_mask(AT91_PIN_PE26), 168 pin_to_controller(AT91_PIN_PE0) + PIO_PUER); 169 170 at91_set_A_periph(AT91_PIN_PE21, 0); /* ETXCK_EREFCK */ 171 at91_set_B_periph(AT91_PIN_PC25, 0); /* ERXDV */ 172 at91_set_A_periph(AT91_PIN_PE25, 0); /* ERX0 */ 173 at91_set_A_periph(AT91_PIN_PE26, 0); /* ERX1 */ 174 at91_set_A_periph(AT91_PIN_PE27, 0); /* ERXER */ 175 at91_set_A_periph(AT91_PIN_PE28, 0); /* ETXEN */ 176 at91_set_A_periph(AT91_PIN_PE23, 0); /* ETX0 */ 177 at91_set_A_periph(AT91_PIN_PE24, 0); /* ETX1 */ 178 at91_set_A_periph(AT91_PIN_PE30, 0); /* EMDIO */ 179 at91_set_A_periph(AT91_PIN_PE29, 0); /* EMDC */ 180 181 #ifndef CONFIG_RMII 182 at91_set_A_periph(AT91_PIN_PE22, 0); /* ECRS */ 183 at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */ 184 at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */ 185 at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */ 186 at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */ 187 at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */ 188 at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */ 189 at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */ 190 #endif 191 192 } 193 #endif 194 195 #ifdef CONFIG_USB_OHCI_NEW 196 static void at91sam9263ek_uhp_hw_init(void) 197 { 198 /* Enable VBus on UHP ports */ 199 at91_set_gpio_output(AT91_PIN_PA21, 0); 200 at91_set_gpio_output(AT91_PIN_PA24, 0); 201 } 202 #endif 203 204 #ifdef CONFIG_LCD 205 vidinfo_t panel_info = { 206 vl_col: 240, 207 vl_row: 320, 208 vl_clk: 4965000, 209 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 210 ATMEL_LCDC_INVFRAME_INVERTED, 211 vl_bpix: 3, 212 vl_tft: 1, 213 vl_hsync_len: 5, 214 vl_left_margin: 1, 215 vl_right_margin:33, 216 vl_vsync_len: 1, 217 vl_upper_margin:1, 218 vl_lower_margin:0, 219 mmio: AT91SAM9263_LCDC_BASE, 220 }; 221 222 void lcd_enable(void) 223 { 224 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power up */ 225 } 226 227 void lcd_disable(void) 228 { 229 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power down */ 230 } 231 232 static void at91sam9263ek_lcd_hw_init(void) 233 { 234 at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ 235 at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ 236 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ 237 at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ 238 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ 239 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ 240 at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ 241 at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ 242 at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ 243 at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ 244 at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ 245 at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 246 at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 247 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */ 248 at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 249 at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 250 at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ 251 at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ 252 at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ 253 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */ 254 at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ 255 at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ 256 257 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC); 258 259 gd->fb_base = AT91SAM9263_SRAM0_BASE; 260 } 261 #endif 262 263 int board_init(void) 264 { 265 /* Enable Ctrlc */ 266 console_init_f(); 267 268 /* arch number of AT91SAM9263EK-Board */ 269 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK; 270 /* adress of boot parameters */ 271 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 272 273 at91sam9263ek_serial_hw_init(); 274 #ifdef CONFIG_CMD_NAND 275 at91sam9263ek_nand_hw_init(); 276 #endif 277 #ifdef CONFIG_HAS_DATAFLASH 278 at91sam9263ek_spi_hw_init(); 279 #endif 280 #ifdef CONFIG_MACB 281 at91sam9263ek_macb_hw_init(); 282 #endif 283 #ifdef CONFIG_USB_OHCI_NEW 284 at91sam9263ek_uhp_hw_init(); 285 #endif 286 #ifdef CONFIG_LCD 287 at91sam9263ek_lcd_hw_init(); 288 #endif 289 return 0; 290 } 291 292 int dram_init(void) 293 { 294 gd->bd->bi_dram[0].start = PHYS_SDRAM; 295 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 296 return 0; 297 } 298 299 #ifdef CONFIG_RESET_PHY_R 300 void reset_phy(void) 301 { 302 #ifdef CONFIG_MACB 303 /* 304 * Initialize ethernet HW addr prior to starting Linux, 305 * needed for nfsroot 306 */ 307 eth_init(gd->bd); 308 #endif 309 } 310 #endif 311