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 <debug_uart.h> 11 #include <asm/io.h> 12 #include <asm/arch/at91sam9rl.h> 13 #include <asm/arch/at91sam9rl_matrix.h> 14 #include <asm/arch/at91sam9_smc.h> 15 #include <asm/arch/at91_common.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 23 DECLARE_GLOBAL_DATA_PTR; 24 25 /* ------------------------------------------------------------------------- */ 26 /* 27 * Miscelaneous platform dependent initialisations 28 */ 29 30 #ifdef CONFIG_CMD_NAND 31 static void at91sam9rlek_nand_hw_init(void) 32 { 33 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 34 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 35 unsigned long csa; 36 37 /* Enable CS3 */ 38 csa = readl(&matrix->ebicsa); 39 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; 40 41 writel(csa, &matrix->ebicsa); 42 43 /* Configure SMC CS3 for NAND/SmartMedia */ 44 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 45 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 46 &smc->cs[3].setup); 47 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 48 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 49 &smc->cs[3].pulse); 50 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 51 &smc->cs[3].cycle); 52 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 53 AT91_SMC_MODE_EXNW_DISABLE | 54 #ifdef CONFIG_SYS_NAND_DBW_16 55 AT91_SMC_MODE_DBW_16 | 56 #else /* CONFIG_SYS_NAND_DBW_8 */ 57 AT91_SMC_MODE_DBW_8 | 58 #endif 59 AT91_SMC_MODE_TDF_CYCLE(2), 60 &smc->cs[3].mode); 61 62 at91_periph_clk_enable(ATMEL_ID_PIOD); 63 64 /* Configure RDY/BSY */ 65 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 66 67 /* Enable NandFlash */ 68 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 69 70 at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ 71 at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ 72 } 73 #endif 74 75 #ifdef CONFIG_LCD 76 vidinfo_t panel_info = { 77 .vl_col = 240, 78 .vl_row = 320, 79 .vl_clk = 4965000, 80 .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | 81 ATMEL_LCDC_INVFRAME_INVERTED, 82 .vl_bpix = 3, 83 .vl_tft = 1, 84 .vl_hsync_len = 5, 85 .vl_left_margin = 1, 86 .vl_right_margin = 33, 87 .vl_vsync_len = 1, 88 .vl_upper_margin = 1, 89 .vl_lower_margin = 0, 90 .mmio = ATMEL_BASE_LCDC, 91 }; 92 93 void lcd_enable(void) 94 { 95 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ 96 } 97 98 void lcd_disable(void) 99 { 100 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ 101 } 102 static void at91sam9rlek_lcd_hw_init(void) 103 { 104 at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ 105 at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ 106 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ 107 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ 108 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ 109 at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ 110 at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ 111 at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ 112 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ 113 at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ 114 at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 115 at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 116 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ 117 at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 118 at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 119 at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ 120 at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ 121 at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ 122 at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ 123 at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ 124 at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ 125 126 at91_periph_clk_enable(ATMEL_ID_LCDC); 127 } 128 129 #ifdef CONFIG_LCD_INFO 130 #include <nand.h> 131 #include <version.h> 132 133 void lcd_show_board_info(void) 134 { 135 ulong dram_size, nand_size; 136 int i; 137 char temp[32]; 138 139 lcd_printf ("%s\n", U_BOOT_VERSION); 140 lcd_printf ("(C) 2008 ATMEL Corp\n"); 141 lcd_printf ("at91support@atmel.com\n"); 142 lcd_printf ("%s CPU at %s MHz\n", 143 ATMEL_CPU_NAME, 144 strmhz(temp, get_cpu_clk_rate())); 145 146 dram_size = 0; 147 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 148 dram_size += gd->bd->bi_dram[i].size; 149 nand_size = 0; 150 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 151 nand_size += nand_info[i]->size; 152 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 153 dram_size >> 20, 154 nand_size >> 20 ); 155 } 156 #endif /* CONFIG_LCD_INFO */ 157 #endif 158 159 #ifdef CONFIG_DEBUG_UART_BOARD_INIT 160 void board_debug_uart_init(void) 161 { 162 at91_seriald_hw_init(); 163 } 164 #endif 165 166 #ifdef CONFIG_BOARD_EARLY_INIT_F 167 int board_early_init_f(void) 168 { 169 #ifdef CONFIG_DEBUG_UART 170 debug_uart_init(); 171 #endif 172 return 0; 173 } 174 #endif 175 176 int board_init(void) 177 { 178 /* arch number of AT91SAM9RLEK-Board */ 179 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; 180 /* adress of boot parameters */ 181 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 182 183 #ifdef CONFIG_CMD_NAND 184 at91sam9rlek_nand_hw_init(); 185 #endif 186 #ifdef CONFIG_HAS_DATAFLASH 187 at91_spi0_hw_init(1 << 0); 188 #endif 189 #ifdef CONFIG_LCD 190 at91sam9rlek_lcd_hw_init(); 191 #endif 192 return 0; 193 } 194 195 int dram_init(void) 196 { 197 gd->ram_size = get_ram_size( 198 (void *)CONFIG_SYS_SDRAM_BASE, 199 CONFIG_SYS_SDRAM_SIZE); 200 return 0; 201 } 202