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_rstc.h> 16 #include <asm/arch/clk.h> 17 #include <asm/arch/gpio.h> 18 19 #include <lcd.h> 20 #include <atmel_lcdc.h> 21 #include <atmel_mci.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 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 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 48 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 49 &smc->cs[3].setup); 50 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 51 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 52 &smc->cs[3].pulse); 53 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 54 &smc->cs[3].cycle); 55 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 56 AT91_SMC_MODE_EXNW_DISABLE | 57 #ifdef CONFIG_SYS_NAND_DBW_16 58 AT91_SMC_MODE_DBW_16 | 59 #else /* CONFIG_SYS_NAND_DBW_8 */ 60 AT91_SMC_MODE_DBW_8 | 61 #endif 62 AT91_SMC_MODE_TDF_CYCLE(2), 63 &smc->cs[3].mode); 64 65 at91_periph_clk_enable(ATMEL_ID_PIOD); 66 67 /* Configure RDY/BSY */ 68 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 69 70 /* Enable NandFlash */ 71 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 72 73 at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ 74 at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ 75 } 76 #endif 77 78 #ifdef CONFIG_LCD 79 vidinfo_t panel_info = { 80 .vl_col = 240, 81 .vl_row = 320, 82 .vl_clk = 4965000, 83 .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | 84 ATMEL_LCDC_INVFRAME_INVERTED, 85 .vl_bpix = 3, 86 .vl_tft = 1, 87 .vl_hsync_len = 5, 88 .vl_left_margin = 1, 89 .vl_right_margin = 33, 90 .vl_vsync_len = 1, 91 .vl_upper_margin = 1, 92 .vl_lower_margin = 0, 93 .mmio = ATMEL_BASE_LCDC, 94 }; 95 96 void lcd_enable(void) 97 { 98 at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ 99 } 100 101 void lcd_disable(void) 102 { 103 at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ 104 } 105 static void at91sam9rlek_lcd_hw_init(void) 106 { 107 at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ 108 at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ 109 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ 110 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ 111 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ 112 at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ 113 at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ 114 at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ 115 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ 116 at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ 117 at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ 118 at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ 119 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ 120 at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ 121 at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ 122 at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ 123 at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ 124 at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ 125 at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ 126 at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ 127 at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ 128 129 at91_periph_clk_enable(ATMEL_ID_LCDC); 130 } 131 132 #ifdef CONFIG_LCD_INFO 133 #include <nand.h> 134 #include <version.h> 135 136 void lcd_show_board_info(void) 137 { 138 ulong dram_size, nand_size; 139 int i; 140 char temp[32]; 141 142 lcd_printf ("%s\n", U_BOOT_VERSION); 143 lcd_printf ("(C) 2008 ATMEL Corp\n"); 144 lcd_printf ("at91support@atmel.com\n"); 145 lcd_printf ("%s CPU at %s MHz\n", 146 ATMEL_CPU_NAME, 147 strmhz(temp, get_cpu_clk_rate())); 148 149 dram_size = 0; 150 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 151 dram_size += gd->bd->bi_dram[i].size; 152 nand_size = 0; 153 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 154 nand_size += nand_info[i].size; 155 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 156 dram_size >> 20, 157 nand_size >> 20 ); 158 } 159 #endif /* CONFIG_LCD_INFO */ 160 #endif 161 162 #ifdef CONFIG_GENERIC_ATMEL_MCI 163 int board_mmc_init(bd_t *bis) 164 { 165 at91_mci_hw_init(); 166 167 return atmel_mci_init((void *)ATMEL_BASE_MCI); 168 } 169 #endif 170 171 int board_early_init_f(void) 172 { 173 at91_periph_clk_enable(ATMEL_ID_PIOA); 174 at91_periph_clk_enable(ATMEL_ID_PIOB); 175 at91_periph_clk_enable(ATMEL_ID_PIOC); 176 at91_periph_clk_enable(ATMEL_ID_PIOD); 177 178 return 0; 179 } 180 181 int board_init(void) 182 { 183 /* arch number of AT91SAM9RLEK-Board */ 184 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; 185 /* adress of boot parameters */ 186 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 187 188 at91_seriald_hw_init(); 189 #ifdef CONFIG_CMD_NAND 190 at91sam9rlek_nand_hw_init(); 191 #endif 192 #ifdef CONFIG_HAS_DATAFLASH 193 at91_spi0_hw_init(1 << 0); 194 #endif 195 #ifdef CONFIG_LCD 196 at91sam9rlek_lcd_hw_init(); 197 #endif 198 return 0; 199 } 200 201 int dram_init(void) 202 { 203 gd->ram_size = get_ram_size( 204 (void *)CONFIG_SYS_SDRAM_BASE, 205 CONFIG_SYS_SDRAM_SIZE); 206 return 0; 207 } 208