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/at91sam9_smc.h> 29 #include <asm/arch/at91_common.h> 30 #include <asm/arch/at91_pmc.h> 31 #include <asm/arch/at91_rstc.h> 32 #include <asm/arch/at91_matrix.h> 33 #include <asm/arch/at91_pio.h> 34 #include <asm/arch/clk.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 at91_smc_t *smc = (at91_smc_t *) AT91_SMC0_BASE; 56 at91_matrix_t *matrix = (at91_matrix_t *) AT91_MATRIX_BASE; 57 at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; 58 59 /* Enable CS3 */ 60 csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; 61 writel(csa, &matrix->csa[0]); 62 63 /* Enable CS3 */ 64 65 /* Configure SMC CS3 for NAND/SmartMedia */ 66 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 67 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 68 &smc->cs[3].setup); 69 70 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 71 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 72 &smc->cs[3].pulse); 73 74 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 75 &smc->cs[3].cycle); 76 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 77 AT91_SMC_MODE_EXNW_DISABLE | 78 #ifdef CONFIG_SYS_NAND_DBW_16 79 AT91_SMC_MODE_DBW_16 | 80 #else /* CONFIG_SYS_NAND_DBW_8 */ 81 AT91_SMC_MODE_DBW_8 | 82 #endif 83 AT91_SMC_MODE_TDF_CYCLE(2), 84 &smc->cs[3].mode); 85 86 writel(1 << AT91SAM9263_ID_PIOA | 1 << AT91SAM9263_ID_PIOCDE, 87 &pmc->pcer); 88 89 /* Configure RDY/BSY */ 90 at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); 91 92 /* Enable NandFlash */ 93 at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 94 } 95 #endif 96 97 #ifdef CONFIG_MACB 98 static void at91sam9263ek_macb_hw_init(void) 99 { 100 unsigned long erstl; 101 at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; 102 at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; 103 at91_rstc_t *rstc = (at91_rstc_t *) AT91_RSTC_BASE; 104 /* Enable clock */ 105 writel(1 << AT91SAM9263_ID_EMAC, &pmc->pcer); 106 107 /* 108 * Disable pull-up on: 109 * RXDV (PC25) => PHY normal mode (not Test mode) 110 * ERX0 (PE25) => PHY ADDR0 111 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 112 * 113 * PHY has internal pull-down 114 */ 115 116 writel(1 << 25, &pio->pioc.pudr); 117 writel((1 << 25) | (1 <<26), &pio->pioe.pudr); 118 119 erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; 120 121 /* Need to reset PHY -> 500ms reset */ 122 writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) | 123 AT91_RSTC_MR_URSTEN, &rstc->mr); 124 125 writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); 126 /* Wait for end hardware reset */ 127 while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) 128 ; 129 130 /* Restore NRST value */ 131 writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr); 132 133 /* Re-enable pull-up */ 134 writel(1 << 25, &pio->pioc.puer); 135 writel((1 << 25) | (1 <<26), &pio->pioe.puer); 136 137 at91_macb_hw_init(); 138 } 139 #endif 140 141 #ifdef CONFIG_LCD 142 vidinfo_t panel_info = { 143 vl_col: 240, 144 vl_row: 320, 145 vl_clk: 4965000, 146 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 147 ATMEL_LCDC_INVFRAME_INVERTED, 148 vl_bpix: 3, 149 vl_tft: 1, 150 vl_hsync_len: 5, 151 vl_left_margin: 1, 152 vl_right_margin:33, 153 vl_vsync_len: 1, 154 vl_upper_margin:1, 155 vl_lower_margin:0, 156 mmio: AT91SAM9263_LCDC_BASE, 157 }; 158 159 void lcd_enable(void) 160 { 161 at91_set_pio_value(AT91_PIO_PORTA, 30, 1); /* power up */ 162 } 163 164 void lcd_disable(void) 165 { 166 at91_set_pio_value(AT91_PIO_PORTA, 30, 0); /* power down */ 167 } 168 169 static void at91sam9263ek_lcd_hw_init(void) 170 { 171 at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; 172 173 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ 174 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ 175 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ 176 at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ 177 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ 178 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ 179 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ 180 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ 181 at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ 182 at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ 183 at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ 184 at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ 185 at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ 186 at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ 187 at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ 188 at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ 189 at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ 190 at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ 191 at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ 192 at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ 193 at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ 194 at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ 195 196 writel(1 << AT91SAM9263_ID_LCDC, &pmc->pcer); 197 gd->fb_base = AT91SAM9263_SRAM0_BASE; 198 } 199 200 #ifdef CONFIG_LCD_INFO 201 #include <nand.h> 202 #include <version.h> 203 204 #ifndef CONFIG_SYS_NO_FLASH 205 extern flash_info_t flash_info[]; 206 #endif 207 208 void lcd_show_board_info(void) 209 { 210 ulong dram_size, nand_size; 211 #ifndef CONFIG_SYS_NO_FLASH 212 ulong flash_size; 213 #endif 214 int i; 215 char temp[32]; 216 217 lcd_printf ("%s\n", U_BOOT_VERSION); 218 lcd_printf ("(C) 2008 ATMEL Corp\n"); 219 lcd_printf ("at91support@atmel.com\n"); 220 lcd_printf ("%s CPU at %s MHz\n", 221 CONFIG_SYS_AT91_CPU_NAME, 222 strmhz(temp, get_cpu_clk_rate())); 223 224 dram_size = 0; 225 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 226 dram_size += gd->bd->bi_dram[i].size; 227 nand_size = 0; 228 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 229 nand_size += nand_info[i].size; 230 #ifndef CONFIG_SYS_NO_FLASH 231 flash_size = 0; 232 for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) 233 flash_size += flash_info[i].size; 234 #endif 235 lcd_printf (" %ld MB SDRAM, %ld MB NAND", 236 dram_size >> 20, 237 nand_size >> 20 ); 238 #ifndef CONFIG_SYS_NO_FLASH 239 lcd_printf (",\n %ld MB NOR", 240 flash_size >> 20); 241 #endif 242 lcd_puts ("\n"); 243 } 244 #endif /* CONFIG_LCD_INFO */ 245 #endif 246 247 int board_init(void) 248 { 249 /* Enable Ctrlc */ 250 console_init_f(); 251 252 /* arch number of AT91SAM9263EK-Board */ 253 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK; 254 /* adress of boot parameters */ 255 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 256 257 at91_serial_hw_init(); 258 #ifdef CONFIG_CMD_NAND 259 at91sam9263ek_nand_hw_init(); 260 #endif 261 #ifdef CONFIG_HAS_DATAFLASH 262 at91_set_pio_output(AT91_PIO_PORTE, 20, 1); /* select spi0 clock */ 263 at91_spi0_hw_init(1 << 0); 264 #endif 265 #ifdef CONFIG_MACB 266 at91sam9263ek_macb_hw_init(); 267 #endif 268 #ifdef CONFIG_USB_OHCI_NEW 269 at91_uhp_hw_init(); 270 #endif 271 #ifdef CONFIG_LCD 272 at91sam9263ek_lcd_hw_init(); 273 #endif 274 return 0; 275 } 276 277 int dram_init(void) 278 { 279 gd->bd->bi_dram[0].start = PHYS_SDRAM; 280 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 281 return 0; 282 } 283 284 #ifdef CONFIG_RESET_PHY_R 285 void reset_phy(void) 286 { 287 #ifdef CONFIG_MACB 288 /* 289 * Initialize ethernet HW addr prior to starting Linux, 290 * needed for nfsroot 291 */ 292 eth_init(gd->bd); 293 #endif 294 } 295 #endif 296 297 int board_eth_init(bd_t *bis) 298 { 299 int rc = 0; 300 #ifdef CONFIG_MACB 301 rc = macb_eth_initialize(0, (void *) AT91_EMAC_BASE, 0x00); 302 #endif 303 return rc; 304 } 305