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_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 #include <lcd.h> 23 #include <atmel_lcdc.h> 24 #include <dataflash.h> 25 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 26 #include <net.h> 27 #endif 28 #include <netdev.h> 29 30 DECLARE_GLOBAL_DATA_PTR; 31 32 /* ------------------------------------------------------------------------- */ 33 /* 34 * Miscelaneous platform dependent initialisations 35 */ 36 37 #ifdef CONFIG_CMD_NAND 38 static void pm9263_nand_hw_init(void) 39 { 40 unsigned long csa; 41 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0; 42 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 43 44 /* Enable CS3 */ 45 csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; 46 writel(csa, &matrix->csa[0]); 47 48 /* Configure SMC CS3 for NAND/SmartMedia */ 49 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | 50 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1), 51 &smc->cs[3].setup); 52 53 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 54 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 55 &smc->cs[3].pulse); 56 57 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 58 &smc->cs[3].cycle); 59 60 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 61 AT91_SMC_MODE_EXNW_DISABLE | 62 #ifdef CONFIG_SYS_NAND_DBW_16 63 AT91_SMC_MODE_DBW_16 | 64 #else /* CONFIG_SYS_NAND_DBW_8 */ 65 AT91_SMC_MODE_DBW_8 | 66 #endif 67 AT91_SMC_MODE_TDF_CYCLE(2), 68 &smc->cs[3].mode); 69 70 /* Configure RDY/BSY */ 71 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); 72 73 /* Enable NandFlash */ 74 gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 75 } 76 #endif 77 78 #ifdef CONFIG_MACB 79 static void pm9263_macb_hw_init(void) 80 { 81 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 82 83 /* 84 * PB27 enables the 50MHz oscillator for Ethernet PHY 85 * 1 - enable 86 * 0 - disable 87 */ 88 at91_set_pio_output(AT91_PIO_PORTB, 27, 1); 89 at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */ 90 91 /* Enable clock */ 92 writel(1 << ATMEL_ID_EMAC, &pmc->pcer); 93 94 /* 95 * Disable pull-up on: 96 * RXDV (PC25) => PHY normal mode (not Test mode) 97 * ERX0 (PE25) => PHY ADDR0 98 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 99 * 100 * PHY has internal pull-down 101 */ 102 103 at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0); 104 at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0); 105 at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0); 106 107 /* Re-enable pull-up */ 108 at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1); 109 at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1); 110 at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1); 111 112 at91_macb_hw_init(); 113 } 114 #endif 115 116 #ifdef CONFIG_LCD 117 vidinfo_t panel_info = { 118 vl_col: 240, 119 vl_row: 320, 120 vl_clk: 4965000, 121 vl_sync: ATMEL_LCDC_INVLINE_INVERTED | 122 ATMEL_LCDC_INVFRAME_INVERTED, 123 vl_bpix: 3, 124 vl_tft: 1, 125 vl_hsync_len: 5, 126 vl_left_margin: 1, 127 vl_right_margin:33, 128 vl_vsync_len: 1, 129 vl_upper_margin:1, 130 vl_lower_margin:0, 131 mmio: ATMEL_BASE_LCDC, 132 }; 133 134 void lcd_enable(void) 135 { 136 at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */ 137 } 138 139 void lcd_disable(void) 140 { 141 at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */ 142 } 143 144 #ifdef CONFIG_LCD_IN_PSRAM 145 146 #define PSRAM_CRE_PIN AT91_PIO_PORTB, 29 147 #define PSRAM_CTRL_REG (PHYS_PSRAM + PHYS_PSRAM_SIZE - 2) 148 149 /* Initialize the PSRAM memory */ 150 static int pm9263_lcd_hw_psram_init(void) 151 { 152 unsigned long csa; 153 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1; 154 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 155 156 /* Enable CS3 3.3v, no pull-ups */ 157 csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC | 158 AT91_MATRIX_CSA_VDDIOMSEL_3_3V; 159 160 writel(csa, &matrix->csa[1]); 161 162 /* Configure SMC1 CS0 for PSRAM - 16-bit */ 163 writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) | 164 AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0), 165 &smc->cs[0].setup); 166 167 writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) | 168 AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7), 169 &smc->cs[0].pulse); 170 171 writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), 172 &smc->cs[0].cycle); 173 174 writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32, 175 &smc->cs[0].mode); 176 177 /* setup PB29 as output */ 178 at91_set_pio_output(PSRAM_CRE_PIN, 1); 179 180 at91_set_pio_value(PSRAM_CRE_PIN, 0); /* set PSRAM_CRE_PIN to '0' */ 181 182 /* PSRAM: write BCR */ 183 readw(PSRAM_CTRL_REG); 184 readw(PSRAM_CTRL_REG); 185 writew(1, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 186 writew(0x9d4f, PSRAM_CTRL_REG); /* write the BCR */ 187 188 /* write RCR of the PSRAM */ 189 readw(PSRAM_CTRL_REG); 190 readw(PSRAM_CTRL_REG); 191 writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 192 /* set RCR; 0x10-async mode,0x90-page mode */ 193 writew(0x90, PSRAM_CTRL_REG); 194 195 /* 196 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B 197 * MT45W2M16B - CRE must be 0 198 * MT45W2M16A - CRE must be 1 199 */ 200 writew(0x1234, PHYS_PSRAM); 201 writew(0x5678, PHYS_PSRAM + 2); 202 203 /* test if the chip is MT45W2M16B */ 204 if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) { 205 /* try with CRE=1 (MT45W2M16A) */ 206 at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */ 207 208 /* write RCR of the PSRAM */ 209 readw(PSRAM_CTRL_REG); 210 readw(PSRAM_CTRL_REG); 211 writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */ 212 /* set RCR;0x10-async mode,0x90-page mode */ 213 writew(0x90, PSRAM_CTRL_REG); 214 215 216 writew(0x1234, PHYS_PSRAM); 217 writew(0x5678, PHYS_PSRAM+2); 218 if ((readw(PHYS_PSRAM) != 0x1234) 219 || (readw(PHYS_PSRAM + 2) != 0x5678)) 220 return 1; 221 222 } 223 224 /* Bus matrix */ 225 writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a); 226 writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]); 227 228 return 0; 229 } 230 #endif 231 232 static void pm9263_lcd_hw_init(void) 233 { 234 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 235 236 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDVSYNC */ 237 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ 238 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ 239 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ 240 at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ 241 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ 242 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ 243 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ 244 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ 245 at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ 246 at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ 247 at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ 248 at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ 249 at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ 250 at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ 251 at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ 252 at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ 253 at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ 254 at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ 255 at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ 256 at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ 257 at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ 258 at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ 259 260 writel(1 << ATMEL_ID_LCDC, &pmc->pcer); 261 262 /* Power Control */ 263 at91_set_pio_output(AT91_PIO_PORTA, 22, 1); 264 at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */ 265 266 #ifdef CONFIG_LCD_IN_PSRAM 267 /* initialize te PSRAM */ 268 int stat = pm9263_lcd_hw_psram_init(); 269 270 gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0; 271 #else 272 gd->fb_base = ATMEL_BASE_SRAM0; 273 #endif 274 275 } 276 277 #ifdef CONFIG_LCD_INFO 278 #include <nand.h> 279 #include <version.h> 280 281 extern flash_info_t flash_info[]; 282 283 void lcd_show_board_info(void) 284 { 285 ulong dram_size, nand_size, flash_size, dataflash_size; 286 int i; 287 char temp[32]; 288 289 lcd_printf ("%s\n", U_BOOT_VERSION); 290 lcd_printf ("(C) 2009 Ronetix GmbH\n"); 291 lcd_printf ("support@ronetix.at\n"); 292 lcd_printf ("%s CPU at %s MHz", 293 CONFIG_SYS_AT91_CPU_NAME, 294 strmhz(temp, get_cpu_clk_rate())); 295 296 dram_size = 0; 297 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 298 dram_size += gd->bd->bi_dram[i].size; 299 300 nand_size = 0; 301 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 302 nand_size += nand_info[i].size; 303 304 flash_size = 0; 305 for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) 306 flash_size += flash_info[i].size; 307 308 dataflash_size = 0; 309 for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) 310 dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number * 311 dataflash_info[i].Device.pages_size; 312 313 lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n" 314 "4 MB PSRAM, %ld MB DataFlash\n", 315 dram_size >> 20, 316 nand_size >> 20, 317 flash_size >> 20, 318 dataflash_size >> 20); 319 } 320 #endif /* CONFIG_LCD_INFO */ 321 322 #endif /* CONFIG_LCD */ 323 324 int board_early_init_f(void) 325 { 326 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 327 328 /* Enable clocks for all PIOs */ 329 writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | 330 (1 << ATMEL_ID_PIOCDE), 331 &pmc->pcer); 332 333 at91_seriald_hw_init(); 334 335 return 0; 336 } 337 338 int board_init(void) 339 { 340 /* arch number of AT91SAM9263EK-Board */ 341 gd->bd->bi_arch_number = MACH_TYPE_PM9263; 342 343 /* adress of boot parameters */ 344 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 345 346 #ifdef CONFIG_CMD_NAND 347 pm9263_nand_hw_init(); 348 #endif 349 #ifdef CONFIG_HAS_DATAFLASH 350 at91_spi0_hw_init(1 << 0); 351 #endif 352 #ifdef CONFIG_MACB 353 pm9263_macb_hw_init(); 354 #endif 355 #ifdef CONFIG_USB_OHCI_NEW 356 at91_uhp_hw_init(); 357 #endif 358 #ifdef CONFIG_LCD 359 pm9263_lcd_hw_init(); 360 #endif 361 return 0; 362 } 363 364 int dram_init(void) 365 { 366 /* dram_init must store complete ramsize in gd->ram_size */ 367 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, 368 PHYS_SDRAM_SIZE); 369 return 0; 370 } 371 372 void dram_init_banksize(void) 373 { 374 gd->bd->bi_dram[0].start = PHYS_SDRAM; 375 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; 376 } 377 378 #ifdef CONFIG_RESET_PHY_R 379 void reset_phy(void) 380 { 381 } 382 #endif 383 384 int board_eth_init(bd_t *bis) 385 { 386 int rc = 0; 387 #ifdef CONFIG_MACB 388 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01); 389 #endif 390 return rc; 391 } 392 393 #ifdef CONFIG_DISPLAY_BOARDINFO 394 int checkboard (void) 395 { 396 char *ss; 397 398 printf ("Board : Ronetix PM9263\n"); 399 400 switch (gd->fb_base) { 401 case PHYS_PSRAM: 402 ss = "(PSRAM)"; 403 break; 404 405 case ATMEL_BASE_SRAM0: 406 ss = "(Internal SRAM)"; 407 break; 408 409 default: 410 ss = ""; 411 break; 412 } 413 printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss ); 414 415 printf ("\n"); 416 return 0; 417 } 418 #endif 419