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-Christophe 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_rstc.h> 18 #include <asm/arch/at91_matrix.h> 19 #include <asm/arch/clk.h> 20 #include <asm/arch/gpio.h> 21 #include <lcd.h> 22 #include <atmel_lcdc.h> 23 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 24 #include <net.h> 25 #endif 26 #include <netdev.h> 27 #include <asm/mach-types.h> 28 29 DECLARE_GLOBAL_DATA_PTR; 30 31 /* ------------------------------------------------------------------------- */ 32 /* 33 * Miscelaneous platform dependent initialisations 34 */ 35 36 #ifdef CONFIG_CMD_NAND 37 static void pm9263_nand_hw_init(void) 38 { 39 unsigned long csa; 40 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0; 41 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 42 43 /* Enable CS3 */ 44 csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; 45 writel(csa, &matrix->csa[0]); 46 47 /* Configure SMC CS3 for NAND/SmartMedia */ 48 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | 49 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1), 50 &smc->cs[3].setup); 51 52 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 53 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 54 &smc->cs[3].pulse); 55 56 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 57 &smc->cs[3].cycle); 58 59 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 60 AT91_SMC_MODE_EXNW_DISABLE | 61 #ifdef CONFIG_SYS_NAND_DBW_16 62 AT91_SMC_MODE_DBW_16 | 63 #else /* CONFIG_SYS_NAND_DBW_8 */ 64 AT91_SMC_MODE_DBW_8 | 65 #endif 66 AT91_SMC_MODE_TDF_CYCLE(2), 67 &smc->cs[3].mode); 68 69 /* Configure RDY/BSY */ 70 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); 71 72 /* Enable NandFlash */ 73 gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 74 } 75 #endif 76 77 #ifdef CONFIG_MACB 78 static void pm9263_macb_hw_init(void) 79 { 80 /* 81 * PB27 enables the 50MHz oscillator for Ethernet PHY 82 * 1 - enable 83 * 0 - disable 84 */ 85 at91_set_pio_output(AT91_PIO_PORTB, 27, 1); 86 at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */ 87 88 at91_periph_clk_enable(ATMEL_ID_EMAC); 89 90 /* 91 * Disable pull-up on: 92 * RXDV (PC25) => PHY normal mode (not Test mode) 93 * ERX0 (PE25) => PHY ADDR0 94 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 95 * 96 * PHY has internal pull-down 97 */ 98 99 at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0); 100 at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0); 101 at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0); 102 103 /* Re-enable pull-up */ 104 at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1); 105 at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1); 106 at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1); 107 108 at91_macb_hw_init(); 109 } 110 #endif 111 112 #ifdef CONFIG_LCD 113 vidinfo_t panel_info = { 114 .vl_col = 240, 115 .vl_row = 320, 116 .vl_clk = 4965000, 117 .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | 118 ATMEL_LCDC_INVFRAME_INVERTED, 119 .vl_bpix = 3, 120 .vl_tft = 1, 121 .vl_hsync_len = 5, 122 .vl_left_margin = 1, 123 .vl_right_margin = 33, 124 .vl_vsync_len = 1, 125 .vl_upper_margin = 1, 126 .vl_lower_margin = 0, 127 .mmio = ATMEL_BASE_LCDC, 128 }; 129 130 void lcd_enable(void) 131 { 132 at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */ 133 } 134 135 void lcd_disable(void) 136 { 137 at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */ 138 } 139 140 #ifdef CONFIG_LCD_IN_PSRAM 141 142 #define PSRAM_CRE_PIN AT91_PIO_PORTB, 29 143 #define PSRAM_CTRL_REG (PHYS_PSRAM + PHYS_PSRAM_SIZE - 2) 144 145 /* Initialize the PSRAM memory */ 146 static int pm9263_lcd_hw_psram_init(void) 147 { 148 unsigned long csa; 149 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1; 150 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 151 152 /* Enable CS3 3.3v, no pull-ups */ 153 csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC | 154 AT91_MATRIX_CSA_VDDIOMSEL_3_3V; 155 156 writel(csa, &matrix->csa[1]); 157 158 /* Configure SMC1 CS0 for PSRAM - 16-bit */ 159 writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) | 160 AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0), 161 &smc->cs[0].setup); 162 163 writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) | 164 AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7), 165 &smc->cs[0].pulse); 166 167 writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), 168 &smc->cs[0].cycle); 169 170 writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32, 171 &smc->cs[0].mode); 172 173 /* setup PB29 as output */ 174 at91_set_pio_output(PSRAM_CRE_PIN, 1); 175 176 at91_set_pio_value(PSRAM_CRE_PIN, 0); /* set PSRAM_CRE_PIN to '0' */ 177 178 /* PSRAM: write BCR */ 179 readw(PSRAM_CTRL_REG); 180 readw(PSRAM_CTRL_REG); 181 writew(1, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 182 writew(0x9d4f, PSRAM_CTRL_REG); /* write the BCR */ 183 184 /* write RCR of the PSRAM */ 185 readw(PSRAM_CTRL_REG); 186 readw(PSRAM_CTRL_REG); 187 writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 188 /* set RCR; 0x10-async mode,0x90-page mode */ 189 writew(0x90, PSRAM_CTRL_REG); 190 191 /* 192 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B 193 * MT45W2M16B - CRE must be 0 194 * MT45W2M16A - CRE must be 1 195 */ 196 writew(0x1234, PHYS_PSRAM); 197 writew(0x5678, PHYS_PSRAM + 2); 198 199 /* test if the chip is MT45W2M16B */ 200 if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) { 201 /* try with CRE=1 (MT45W2M16A) */ 202 at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */ 203 204 /* write RCR of the PSRAM */ 205 readw(PSRAM_CTRL_REG); 206 readw(PSRAM_CTRL_REG); 207 writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 208 /* set RCR;0x10-async mode,0x90-page mode */ 209 writew(0x90, PSRAM_CTRL_REG); 210 211 212 writew(0x1234, PHYS_PSRAM); 213 writew(0x5678, PHYS_PSRAM+2); 214 if ((readw(PHYS_PSRAM) != 0x1234) 215 || (readw(PHYS_PSRAM + 2) != 0x5678)) 216 return 1; 217 218 } 219 220 /* Bus matrix */ 221 writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a); 222 writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]); 223 224 return 0; 225 } 226 #endif 227 228 static void pm9263_lcd_hw_init(void) 229 { 230 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDVSYNC */ 231 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ 232 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ 233 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ 234 at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ 235 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ 236 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ 237 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ 238 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ 239 at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ 240 at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ 241 at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ 242 at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ 243 at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ 244 at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ 245 at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ 246 at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ 247 at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ 248 at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ 249 at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ 250 at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ 251 at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ 252 at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ 253 254 at91_periph_clk_enable(ATMEL_ID_LCDC); 255 256 /* Power Control */ 257 at91_set_pio_output(AT91_PIO_PORTA, 22, 1); 258 at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */ 259 260 #ifdef CONFIG_LCD_IN_PSRAM 261 /* initialize te PSRAM */ 262 int stat = pm9263_lcd_hw_psram_init(); 263 264 gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0; 265 #else 266 gd->fb_base = ATMEL_BASE_SRAM0; 267 #endif 268 269 } 270 271 #ifdef CONFIG_LCD_INFO 272 #include <nand.h> 273 #include <version.h> 274 275 extern flash_info_t flash_info[]; 276 277 void lcd_show_board_info(void) 278 { 279 ulong dram_size, nand_size, flash_size; 280 int i; 281 char temp[32]; 282 283 lcd_printf ("%s\n", U_BOOT_VERSION); 284 lcd_printf ("(C) 2009 Ronetix GmbH\n"); 285 lcd_printf ("support@ronetix.at\n"); 286 lcd_printf ("%s CPU at %s MHz", 287 CONFIG_SYS_AT91_CPU_NAME, 288 strmhz(temp, get_cpu_clk_rate())); 289 290 dram_size = 0; 291 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 292 dram_size += gd->bd->bi_dram[i].size; 293 294 nand_size = 0; 295 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 296 nand_size += get_nand_dev_by_index(i)->size; 297 298 flash_size = 0; 299 for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) 300 flash_size += flash_info[i].size; 301 302 lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n" 303 "4 MB PSRAM\n", 304 dram_size >> 20, 305 nand_size >> 20, 306 flash_size >> 20); 307 } 308 #endif /* CONFIG_LCD_INFO */ 309 310 #endif /* CONFIG_LCD */ 311 312 int board_early_init_f(void) 313 { 314 return 0; 315 } 316 317 int board_init(void) 318 { 319 /* arch number of AT91SAM9263EK-Board */ 320 gd->bd->bi_arch_number = MACH_TYPE_PM9263; 321 322 /* adress of boot parameters */ 323 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 324 325 #ifdef CONFIG_CMD_NAND 326 pm9263_nand_hw_init(); 327 #endif 328 #ifdef CONFIG_MACB 329 pm9263_macb_hw_init(); 330 #endif 331 #ifdef CONFIG_USB_OHCI_NEW 332 at91_uhp_hw_init(); 333 #endif 334 #ifdef CONFIG_LCD 335 pm9263_lcd_hw_init(); 336 #endif 337 return 0; 338 } 339 340 int dram_init(void) 341 { 342 /* dram_init must store complete ramsize in gd->ram_size */ 343 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, 344 PHYS_SDRAM_SIZE); 345 return 0; 346 } 347 348 int dram_init_banksize(void) 349 { 350 gd->bd->bi_dram[0].start = PHYS_SDRAM; 351 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 352 353 return 0; 354 } 355 356 #ifdef CONFIG_RESET_PHY_R 357 void reset_phy(void) 358 { 359 } 360 #endif 361 362 int board_eth_init(bd_t *bis) 363 { 364 int rc = 0; 365 #ifdef CONFIG_MACB 366 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01); 367 #endif 368 return rc; 369 } 370 371 #ifdef CONFIG_DISPLAY_BOARDINFO 372 int checkboard (void) 373 { 374 char *ss; 375 376 printf ("Board : Ronetix PM9263\n"); 377 378 switch (gd->fb_base) { 379 case PHYS_PSRAM: 380 ss = "(PSRAM)"; 381 break; 382 383 case ATMEL_BASE_SRAM0: 384 ss = "(Internal SRAM)"; 385 break; 386 387 default: 388 ss = ""; 389 break; 390 } 391 printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss ); 392 393 printf ("\n"); 394 return 0; 395 } 396 #endif 397