1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) 6 * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <linux/sizes.h> 13 #include <asm/io.h> 14 #include <asm/gpio.h> 15 #include <asm/arch/at91sam9_smc.h> 16 #include <asm/arch/at91_common.h> 17 #include <asm/arch/at91_pmc.h> 18 #include <asm/arch/at91_rstc.h> 19 #include <asm/arch/at91_matrix.h> 20 #include <asm/arch/clk.h> 21 #include <asm/arch/gpio.h> 22 23 #include <lcd.h> 24 #include <atmel_lcdc.h> 25 #include <dataflash.h> 26 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000) 27 #include <net.h> 28 #endif 29 #include <netdev.h> 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 /* ------------------------------------------------------------------------- */ 34 /* 35 * Miscelaneous platform dependent initialisations 36 */ 37 38 #ifdef CONFIG_CMD_NAND 39 static void pm9261_nand_hw_init(void) 40 { 41 unsigned long csa; 42 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 43 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 44 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 45 46 /* Enable CS3 */ 47 csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A; 48 writel(csa, &matrix->csa); 49 50 /* Configure SMC CS3 for NAND/SmartMedia */ 51 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 52 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 53 &smc->cs[3].setup); 54 55 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 56 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 57 &smc->cs[3].pulse); 58 59 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 60 &smc->cs[3].cycle); 61 62 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 63 AT91_SMC_MODE_EXNW_DISABLE | 64 #ifdef CONFIG_SYS_NAND_DBW_16 65 AT91_SMC_MODE_DBW_16 | 66 #else /* CONFIG_SYS_NAND_DBW_8 */ 67 AT91_SMC_MODE_DBW_8 | 68 #endif 69 AT91_SMC_MODE_TDF_CYCLE(2), 70 &smc->cs[3].mode); 71 72 writel(1 << ATMEL_ID_PIOA | 73 1 << ATMEL_ID_PIOC, 74 &pmc->pcer); 75 76 /* Configure RDY/BSY */ 77 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); 78 79 /* Enable NandFlash */ 80 gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 81 82 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* NANDOE */ 83 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* NANDWE */ 84 } 85 #endif 86 87 88 #ifdef CONFIG_DRIVER_DM9000 89 static void pm9261_dm9000_hw_init(void) 90 { 91 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 92 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 93 94 /* Configure SMC CS2 for DM9000 */ 95 writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) | 96 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0), 97 &smc->cs[2].setup); 98 99 writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) | 100 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8), 101 &smc->cs[2].pulse); 102 103 writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16), 104 &smc->cs[2].cycle); 105 106 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 107 AT91_SMC_MODE_EXNW_DISABLE | 108 AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 | 109 AT91_SMC_MODE_TDF_CYCLE(1), 110 &smc->cs[2].mode); 111 112 /* Configure Interrupt pin as input, no pull-up */ 113 writel(1 << ATMEL_ID_PIOA, &pmc->pcer); 114 at91_set_pio_input(AT91_PIO_PORTA, 24, 0); 115 } 116 #endif 117 118 #ifdef CONFIG_LCD 119 vidinfo_t panel_info = { 120 vl_col: 240, 121 vl_row: 320, 122 vl_clk: 4965000, 123 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 124 ATMEL_LCDC_INVFRAME_INVERTED, 125 vl_bpix: 3, 126 vl_tft: 1, 127 vl_hsync_len: 5, 128 vl_left_margin: 1, 129 vl_right_margin:33, 130 vl_vsync_len: 1, 131 vl_upper_margin:1, 132 vl_lower_margin:0, 133 mmio: ATMEL_BASE_LCDC, 134 }; 135 136 void lcd_enable(void) 137 { 138 at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power up */ 139 } 140 141 void lcd_disable(void) 142 { 143 at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power down */ 144 } 145 146 static void pm9261_lcd_hw_init(void) 147 { 148 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 149 150 at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* LCDHSYNC */ 151 at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* LCDDOTCK */ 152 at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* LCDDEN */ 153 at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* LCDCC */ 154 at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* LCDD2 */ 155 at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* LCDD3 */ 156 at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* LCDD4 */ 157 at91_set_a_periph(AT91_PIO_PORTB, 10, 0); /* LCDD5 */ 158 at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* LCDD6 */ 159 at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* LCDD7 */ 160 at91_set_a_periph(AT91_PIO_PORTB, 15, 0); /* LCDD10 */ 161 at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* LCDD11 */ 162 at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* LCDD12 */ 163 at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* LCDD13 */ 164 at91_set_a_periph(AT91_PIO_PORTB, 19, 0); /* LCDD14 */ 165 at91_set_a_periph(AT91_PIO_PORTB, 20, 0); /* LCDD15 */ 166 at91_set_b_periph(AT91_PIO_PORTB, 23, 0); /* LCDD18 */ 167 at91_set_b_periph(AT91_PIO_PORTB, 24, 0); /* LCDD19 */ 168 at91_set_b_periph(AT91_PIO_PORTB, 25, 0); /* LCDD20 */ 169 at91_set_b_periph(AT91_PIO_PORTB, 26, 0); /* LCDD21 */ 170 at91_set_b_periph(AT91_PIO_PORTB, 27, 0); /* LCDD22 */ 171 at91_set_b_periph(AT91_PIO_PORTB, 28, 0); /* LCDD23 */ 172 173 writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */ 174 175 gd->fb_base = ATMEL_BASE_SRAM; 176 } 177 178 #ifdef CONFIG_LCD_INFO 179 #include <nand.h> 180 #include <version.h> 181 182 extern flash_info_t flash_info[]; 183 184 void lcd_show_board_info(void) 185 { 186 ulong dram_size, nand_size, flash_size, dataflash_size; 187 int i; 188 char temp[32]; 189 190 lcd_printf ("%s\n", U_BOOT_VERSION); 191 lcd_printf ("(C) 2009 Ronetix GmbH\n"); 192 lcd_printf ("support@ronetix.at\n"); 193 lcd_printf ("%s CPU at %s MHz", 194 CONFIG_SYS_AT91_CPU_NAME, 195 strmhz(temp, get_cpu_clk_rate())); 196 197 dram_size = 0; 198 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 199 dram_size += gd->bd->bi_dram[i].size; 200 201 nand_size = 0; 202 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 203 nand_size += nand_info[i].size; 204 205 flash_size = 0; 206 for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) 207 flash_size += flash_info[i].size; 208 209 dataflash_size = 0; 210 for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) 211 dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number * 212 dataflash_info[i].Device.pages_size; 213 214 lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n" 215 "%ld MB DataFlash\n", 216 dram_size >> 20, 217 nand_size >> 20, 218 flash_size >> 20, 219 dataflash_size >> 20); 220 } 221 #endif /* CONFIG_LCD_INFO */ 222 223 #endif /* CONFIG_LCD */ 224 225 int board_early_init_f(void) 226 { 227 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 228 229 /* Enable clocks for some PIOs */ 230 writel(1 << ATMEL_ID_PIOA | 231 1 << ATMEL_ID_PIOC, 232 &pmc->pcer); 233 234 at91_seriald_hw_init(); 235 236 return 0; 237 } 238 239 int board_init(void) 240 { 241 /* arch number of PM9261-Board */ 242 gd->bd->bi_arch_number = MACH_TYPE_PM9261; 243 244 /* adress of boot parameters */ 245 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 246 247 #ifdef CONFIG_CMD_NAND 248 pm9261_nand_hw_init(); 249 #endif 250 #ifdef CONFIG_HAS_DATAFLASH 251 at91_spi0_hw_init(1 << 0); 252 #endif 253 #ifdef CONFIG_DRIVER_DM9000 254 pm9261_dm9000_hw_init(); 255 #endif 256 #ifdef CONFIG_LCD 257 pm9261_lcd_hw_init(); 258 #endif 259 return 0; 260 } 261 262 #ifdef CONFIG_DRIVER_DM9000 263 int board_eth_init(bd_t *bis) 264 { 265 return dm9000_initialize(bis); 266 } 267 #endif 268 269 int dram_init(void) 270 { 271 /* dram_init must store complete ramsize in gd->ram_size */ 272 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, 273 PHYS_SDRAM_SIZE); 274 return 0; 275 } 276 277 void dram_init_banksize(void) 278 { 279 gd->bd->bi_dram[0].start = PHYS_SDRAM; 280 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 281 } 282 283 #ifdef CONFIG_RESET_PHY_R 284 void reset_phy(void) 285 { 286 #ifdef CONFIG_DRIVER_DM9000 287 /* 288 * Initialize ethernet HW addr prior to starting Linux, 289 * needed for nfsroot 290 */ 291 eth_init(gd->bd); 292 #endif 293 } 294 #endif 295 296 #ifdef CONFIG_DISPLAY_BOARDINFO 297 int checkboard (void) 298 { 299 char buf[32]; 300 301 printf ("Board : Ronetix PM9261\n"); 302 printf ("Crystal frequency: %8s MHz\n", 303 strmhz(buf, get_main_clk_rate())); 304 printf ("CPU clock : %8s MHz\n", 305 strmhz(buf, get_cpu_clk_rate())); 306 printf ("Master clock : %8s MHz\n", 307 strmhz(buf, get_mck_clk_rate())); 308 309 return 0; 310 } 311 #endif 312