1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 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/io.h> 27 #include <asm/arch/at91sam9rl.h> 28 #include <asm/arch/at91sam9rl_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 36 #include <lcd.h> 37 #include <atmel_lcdc.h> 38 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 39 #include <net.h> 40 #endif 41 42 DECLARE_GLOBAL_DATA_PTR; 43 44 /* ------------------------------------------------------------------------- */ 45 /* 46 * Miscelaneous platform dependent initialisations 47 */ 48 49 #ifdef CONFIG_CMD_NAND 50 static void at91sam9rlek_nand_hw_init(void) 51 { 52 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 53 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 54 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 55 unsigned long csa; 56 57 /* Enable CS3 */ 58 csa = readl(&matrix->ebicsa); 59 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; 60 61 writel(csa, &matrix->ebicsa); 62 63 /* Configure SMC CS3 for NAND/SmartMedia */ 64 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 65 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 66 &smc->cs[3].setup); 67 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 68 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 69 &smc->cs[3].pulse); 70 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 71 &smc->cs[3].cycle); 72 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 73 AT91_SMC_MODE_EXNW_DISABLE | 74 #ifdef CONFIG_SYS_NAND_DBW_16 75 AT91_SMC_MODE_DBW_16 | 76 #else /* CONFIG_SYS_NAND_DBW_8 */ 77 AT91_SMC_MODE_DBW_8 | 78 #endif 79 AT91_SMC_MODE_TDF_CYCLE(2), 80 &smc->cs[3].mode); 81 82 writel(1 << ATMEL_ID_PIOD, &pmc->pcer); 83 84 /* Configure RDY/BSY */ 85 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 86 87 /* Enable NandFlash */ 88 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 89 90 at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ 91 at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ 92 } 93 #endif 94 95 #ifdef CONFIG_LCD 96 vidinfo_t panel_info = { 97 vl_col: 240, 98 vl_row: 320, 99 vl_clk: 4965000, 100 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 101 ATMEL_LCDC_INVFRAME_INVERTED, 102 vl_bpix: 3, 103 vl_tft: 1, 104 vl_hsync_len: 5, 105 vl_left_margin: 1, 106 vl_right_margin:33, 107 vl_vsync_len: 1, 108 vl_upper_margin:1, 109 vl_lower_margin:0, 110 mmio: ATMEL_BASE_LCDC, 111 }; 112 113 void lcd_enable(void) 114 { 115 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ 116 } 117 118 void lcd_disable(void) 119 { 120 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ 121 } 122 static void at91sam9rlek_lcd_hw_init(void) 123 { 124 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 125 126 at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ 127 at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ 128 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ 129 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ 130 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ 131 at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ 132 at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ 133 at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ 134 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ 135 at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ 136 at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 137 at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 138 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ 139 at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 140 at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 141 at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ 142 at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ 143 at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ 144 at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ 145 at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ 146 at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ 147 148 writel(1 << ATMEL_ID_LCDC, &pmc->pcer); 149 } 150 151 #ifdef CONFIG_LCD_INFO 152 #include <nand.h> 153 #include <version.h> 154 155 void lcd_show_board_info(void) 156 { 157 ulong dram_size, nand_size; 158 int i; 159 char temp[32]; 160 161 lcd_printf ("%s\n", U_BOOT_VERSION); 162 lcd_printf ("(C) 2008 ATMEL Corp\n"); 163 lcd_printf ("at91support@atmel.com\n"); 164 lcd_printf ("%s CPU at %s MHz\n", 165 ATMEL_CPU_NAME, 166 strmhz(temp, get_cpu_clk_rate())); 167 168 dram_size = 0; 169 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 170 dram_size += gd->bd->bi_dram[i].size; 171 nand_size = 0; 172 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 173 nand_size += nand_info[i].size; 174 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 175 dram_size >> 20, 176 nand_size >> 20 ); 177 } 178 #endif /* CONFIG_LCD_INFO */ 179 #endif 180 181 int board_early_init_f(void) 182 { 183 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 184 185 /* Enable clocks for all PIOs */ 186 writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | 187 (1 << ATMEL_ID_PIOC) | (1 << ATMEL_ID_PIOD), 188 &pmc->pcer); 189 190 return 0; 191 } 192 193 int board_init(void) 194 { 195 /* Enable Ctrlc */ 196 console_init_f(); 197 198 /* arch number of AT91SAM9RLEK-Board */ 199 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; 200 /* adress of boot parameters */ 201 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 202 203 at91_seriald_hw_init(); 204 #ifdef CONFIG_CMD_NAND 205 at91sam9rlek_nand_hw_init(); 206 #endif 207 #ifdef CONFIG_HAS_DATAFLASH 208 at91_spi0_hw_init(1 << 0); 209 #endif 210 #ifdef CONFIG_LCD 211 at91sam9rlek_lcd_hw_init(); 212 #endif 213 return 0; 214 } 215 216 int dram_init(void) 217 { 218 gd->ram_size = get_ram_size( 219 (void *)CONFIG_SYS_SDRAM_BASE, 220 CONFIG_SYS_SDRAM_SIZE); 221 return 0; 222 } 223