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/at91sam9rl.h> 12 #include <asm/arch/at91sam9rl_matrix.h> 13 #include <asm/arch/at91sam9_smc.h> 14 #include <asm/arch/at91_common.h> 15 #include <asm/arch/at91_pmc.h> 16 #include <asm/arch/at91_rstc.h> 17 #include <asm/arch/clk.h> 18 #include <asm/arch/gpio.h> 19 20 #include <lcd.h> 21 #include <atmel_lcdc.h> 22 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 23 #include <net.h> 24 #endif 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 /* ------------------------------------------------------------------------- */ 29 /* 30 * Miscelaneous platform dependent initialisations 31 */ 32 33 #ifdef CONFIG_CMD_NAND 34 static void at91sam9rlek_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 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 39 unsigned long csa; 40 41 /* Enable CS3 */ 42 csa = readl(&matrix->ebicsa); 43 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; 44 45 writel(csa, &matrix->ebicsa); 46 47 /* Configure SMC CS3 for NAND/SmartMedia */ 48 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 49 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 50 &smc->cs[3].setup); 51 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 52 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 53 &smc->cs[3].pulse); 54 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 55 &smc->cs[3].cycle); 56 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 57 AT91_SMC_MODE_EXNW_DISABLE | 58 #ifdef CONFIG_SYS_NAND_DBW_16 59 AT91_SMC_MODE_DBW_16 | 60 #else /* CONFIG_SYS_NAND_DBW_8 */ 61 AT91_SMC_MODE_DBW_8 | 62 #endif 63 AT91_SMC_MODE_TDF_CYCLE(2), 64 &smc->cs[3].mode); 65 66 writel(1 << ATMEL_ID_PIOD, &pmc->pcer); 67 68 /* Configure RDY/BSY */ 69 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 70 71 /* Enable NandFlash */ 72 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 73 74 at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ 75 at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ 76 } 77 #endif 78 79 #ifdef CONFIG_LCD 80 vidinfo_t panel_info = { 81 .vl_col = 240, 82 .vl_row = 320, 83 .vl_clk = 4965000, 84 .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | 85 ATMEL_LCDC_INVFRAME_INVERTED, 86 .vl_bpix = 3, 87 .vl_tft = 1, 88 .vl_hsync_len = 5, 89 .vl_left_margin = 1, 90 .vl_right_margin = 33, 91 .vl_vsync_len = 1, 92 .vl_upper_margin = 1, 93 .vl_lower_margin = 0, 94 .mmio = ATMEL_BASE_LCDC, 95 }; 96 97 void lcd_enable(void) 98 { 99 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ 100 } 101 102 void lcd_disable(void) 103 { 104 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ 105 } 106 static void at91sam9rlek_lcd_hw_init(void) 107 { 108 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 109 110 at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ 111 at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ 112 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ 113 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ 114 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ 115 at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ 116 at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ 117 at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ 118 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ 119 at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ 120 at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 121 at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 122 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ 123 at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 124 at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 125 at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ 126 at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ 127 at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ 128 at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ 129 at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ 130 at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ 131 132 writel(1 << ATMEL_ID_LCDC, &pmc->pcer); 133 } 134 135 #ifdef CONFIG_LCD_INFO 136 #include <nand.h> 137 #include <version.h> 138 139 void lcd_show_board_info(void) 140 { 141 ulong dram_size, nand_size; 142 int i; 143 char temp[32]; 144 145 lcd_printf ("%s\n", U_BOOT_VERSION); 146 lcd_printf ("(C) 2008 ATMEL Corp\n"); 147 lcd_printf ("at91support@atmel.com\n"); 148 lcd_printf ("%s CPU at %s MHz\n", 149 ATMEL_CPU_NAME, 150 strmhz(temp, get_cpu_clk_rate())); 151 152 dram_size = 0; 153 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 154 dram_size += gd->bd->bi_dram[i].size; 155 nand_size = 0; 156 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 157 nand_size += nand_info[i].size; 158 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 159 dram_size >> 20, 160 nand_size >> 20 ); 161 } 162 #endif /* CONFIG_LCD_INFO */ 163 #endif 164 165 int board_early_init_f(void) 166 { 167 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 168 169 /* Enable clocks for all PIOs */ 170 writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | 171 (1 << ATMEL_ID_PIOC) | (1 << ATMEL_ID_PIOD), 172 &pmc->pcer); 173 174 return 0; 175 } 176 177 int board_init(void) 178 { 179 /* arch number of AT91SAM9RLEK-Board */ 180 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; 181 /* adress of boot parameters */ 182 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 183 184 at91_seriald_hw_init(); 185 #ifdef CONFIG_CMD_NAND 186 at91sam9rlek_nand_hw_init(); 187 #endif 188 #ifdef CONFIG_HAS_DATAFLASH 189 at91_spi0_hw_init(1 << 0); 190 #endif 191 #ifdef CONFIG_LCD 192 at91sam9rlek_lcd_hw_init(); 193 #endif 194 return 0; 195 } 196 197 int dram_init(void) 198 { 199 gd->ram_size = get_ram_size( 200 (void *)CONFIG_SYS_SDRAM_BASE, 201 CONFIG_SYS_SDRAM_SIZE); 202 return 0; 203 } 204