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 <asm/io.h> 11 #include <asm/arch/at91sam9261.h> 12 #include <asm/arch/at91sam9261_matrix.h> 13 #include <asm/arch/at91sam9_smc.h> 14 #include <asm/arch/at91_common.h> 15 #include <asm/arch/at91_rstc.h> 16 #include <asm/arch/clk.h> 17 #include <asm/arch/gpio.h> 18 #include <lcd.h> 19 #include <atmel_lcdc.h> 20 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000) 21 #include <net.h> 22 #include <netdev.h> 23 #endif 24 #include <asm/mach-types.h> 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 /* ------------------------------------------------------------------------- */ 29 /* 30 * Miscelaneous platform dependent initialisations 31 */ 32 33 #ifdef CONFIG_CMD_NAND 34 static void at91sam9261ek_nand_hw_init(void) 35 { 36 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 37 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 38 unsigned long csa; 39 40 /* Enable CS3 */ 41 csa = readl(&matrix->ebicsa); 42 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; 43 44 writel(csa, &matrix->ebicsa); 45 46 /* Configure SMC CS3 for NAND/SmartMedia */ 47 #ifdef CONFIG_AT91SAM9G10EK 48 writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) | 49 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0), 50 &smc->cs[3].setup); 51 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(7) | 52 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(7), 53 &smc->cs[3].pulse); 54 writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7), 55 &smc->cs[3].cycle); 56 #else 57 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 58 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 59 &smc->cs[3].setup); 60 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 61 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 62 &smc->cs[3].pulse); 63 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 64 &smc->cs[3].cycle); 65 #endif 66 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 67 AT91_SMC_MODE_EXNW_DISABLE | 68 #ifdef CONFIG_SYS_NAND_DBW_16 69 AT91_SMC_MODE_DBW_16 | 70 #else /* CONFIG_SYS_NAND_DBW_8 */ 71 AT91_SMC_MODE_DBW_8 | 72 #endif 73 AT91_SMC_MODE_TDF_CYCLE(2), 74 &smc->cs[3].mode); 75 76 at91_periph_clk_enable(ATMEL_ID_PIOC); 77 78 /* Configure RDY/BSY */ 79 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 80 81 /* Enable NandFlash */ 82 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 83 84 at91_set_A_periph(AT91_PIN_PC0, 0); /* NANDOE */ 85 at91_set_A_periph(AT91_PIN_PC1, 0); /* NANDWE */ 86 } 87 #endif 88 89 #ifdef CONFIG_DRIVER_DM9000 90 static void at91sam9261ek_dm9000_hw_init(void) 91 { 92 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 93 94 /* Configure SMC CS2 for DM9000 */ 95 #ifdef CONFIG_AT91SAM9G10EK 96 writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) | 97 AT91_SMC_SETUP_NRD(3) | AT91_SMC_SETUP_NCS_RD(0), 98 &smc->cs[2].setup); 99 writel(AT91_SMC_PULSE_NWE(6) | AT91_SMC_PULSE_NCS_WR(8) | 100 AT91_SMC_PULSE_NRD(6) | AT91_SMC_PULSE_NCS_RD(8), 101 &smc->cs[2].pulse); 102 writel(AT91_SMC_CYCLE_NWE(20) | AT91_SMC_CYCLE_NRD(20), 103 &smc->cs[2].cycle); 104 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 105 AT91_SMC_MODE_EXNW_DISABLE | 106 AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 | 107 AT91_SMC_MODE_TDF_CYCLE(1), 108 &smc->cs[2].mode); 109 #else 110 writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) | 111 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0), 112 &smc->cs[2].setup); 113 writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) | 114 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8), 115 &smc->cs[2].pulse); 116 writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16), 117 &smc->cs[2].cycle); 118 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 119 AT91_SMC_MODE_EXNW_DISABLE | 120 AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 | 121 AT91_SMC_MODE_TDF_CYCLE(1), 122 &smc->cs[2].mode); 123 #endif 124 125 /* Configure Reset signal as output */ 126 at91_set_gpio_output(AT91_PIN_PC10, 0); 127 128 /* Configure Interrupt pin as input, no pull-up */ 129 at91_set_gpio_input(AT91_PIN_PC11, 0); 130 } 131 #endif 132 133 #ifdef CONFIG_LCD 134 vidinfo_t panel_info = { 135 .vl_col = 240, 136 .vl_row = 320, 137 .vl_clk = 4965000, 138 .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | 139 ATMEL_LCDC_INVFRAME_INVERTED, 140 .vl_bpix = 3, 141 .vl_tft = 1, 142 .vl_hsync_len = 5, 143 .vl_left_margin = 1, 144 .vl_right_margin = 33, 145 .vl_vsync_len = 1, 146 .vl_upper_margin = 1, 147 .vl_lower_margin = 0, 148 .mmio = ATMEL_BASE_LCDC, 149 }; 150 151 void lcd_enable(void) 152 { 153 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */ 154 } 155 156 void lcd_disable(void) 157 { 158 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */ 159 } 160 161 static void at91sam9261ek_lcd_hw_init(void) 162 { 163 at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ 164 at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ 165 at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ 166 at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ 167 at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ 168 at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ 169 at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */ 170 at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */ 171 at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */ 172 at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */ 173 at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */ 174 at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */ 175 at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */ 176 at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */ 177 at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */ 178 at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */ 179 at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */ 180 at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */ 181 at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */ 182 at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */ 183 at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */ 184 at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ 185 186 at91_system_clk_enable(AT91_PMC_HCK1); 187 188 /* For 9G10EK, let U-Boot allocate the framebuffer in SDRAM */ 189 #ifdef CONFIG_AT91SAM9261EK 190 gd->fb_base = ATMEL_BASE_SRAM; 191 #endif 192 } 193 194 #ifdef CONFIG_LCD_INFO 195 #include <nand.h> 196 #include <version.h> 197 198 void lcd_show_board_info(void) 199 { 200 ulong dram_size, nand_size; 201 int i; 202 char temp[32]; 203 204 lcd_printf ("%s\n", U_BOOT_VERSION); 205 lcd_printf ("(C) 2008 ATMEL Corp\n"); 206 lcd_printf ("at91support@atmel.com\n"); 207 lcd_printf ("%s CPU at %s MHz\n", 208 ATMEL_CPU_NAME, 209 strmhz(temp, get_cpu_clk_rate())); 210 211 dram_size = 0; 212 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 213 dram_size += gd->bd->bi_dram[i].size; 214 nand_size = 0; 215 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 216 nand_size += nand_info[i]->size; 217 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 218 dram_size >> 20, 219 nand_size >> 20 ); 220 } 221 #endif /* CONFIG_LCD_INFO */ 222 #endif 223 224 int board_init(void) 225 { 226 #ifdef CONFIG_AT91SAM9G10EK 227 /* arch number of AT91SAM9G10EK-Board */ 228 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G10EK; 229 #else 230 /* arch number of AT91SAM9261EK-Board */ 231 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK; 232 #endif 233 /* adress of boot parameters */ 234 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 235 236 at91_seriald_hw_init(); 237 #ifdef CONFIG_CMD_NAND 238 at91sam9261ek_nand_hw_init(); 239 #endif 240 #ifdef CONFIG_HAS_DATAFLASH 241 at91_spi0_hw_init(1 << 0); 242 #endif 243 #ifdef CONFIG_DRIVER_DM9000 244 at91sam9261ek_dm9000_hw_init(); 245 #endif 246 #ifdef CONFIG_LCD 247 at91sam9261ek_lcd_hw_init(); 248 #endif 249 return 0; 250 } 251 252 #ifdef CONFIG_DRIVER_DM9000 253 int board_eth_init(bd_t *bis) 254 { 255 return dm9000_initialize(bis); 256 } 257 #endif 258 259 int dram_init(void) 260 { 261 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 262 CONFIG_SYS_SDRAM_SIZE); 263 264 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(); 276 #endif 277 } 278 #endif 279