1 /* 2 * Copyright (C) 2012 Atmel Corporation 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/io.h> 9 #include <asm/arch/at91sam9x5_matrix.h> 10 #include <asm/arch/at91sam9_smc.h> 11 #include <asm/arch/at91_common.h> 12 #include <asm/arch/at91_pmc.h> 13 #include <asm/arch/at91_rstc.h> 14 #include <asm/arch/gpio.h> 15 #include <asm/arch/clk.h> 16 #include <lcd.h> 17 #include <atmel_hlcdc.h> 18 #include <atmel_mci.h> 19 #ifdef CONFIG_MACB 20 #include <net.h> 21 #endif 22 #include <netdev.h> 23 #ifdef CONFIG_LCD_INFO 24 #include <nand.h> 25 #include <version.h> 26 #endif 27 #ifdef CONFIG_ATMEL_SPI 28 #include <spi.h> 29 #endif 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 /* ------------------------------------------------------------------------- */ 34 /* 35 * Miscelaneous platform dependent initialisations 36 */ 37 #ifdef CONFIG_CMD_NAND 38 static void at91sam9x5ek_nand_hw_init(void) 39 { 40 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 41 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 42 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 43 unsigned long csa; 44 45 /* Enable CS3 */ 46 csa = readl(&matrix->ebicsa); 47 csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA; 48 /* NAND flash on D16 */ 49 csa |= AT91_MATRIX_NFD0_ON_D16; 50 51 /* Configure IO drive */ 52 csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL; 53 54 writel(csa, &matrix->ebicsa); 55 56 /* Configure SMC CS3 for NAND/SmartMedia */ 57 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 58 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 59 &smc->cs[3].setup); 60 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) | 61 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(6), 62 &smc->cs[3].pulse); 63 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(6), 64 &smc->cs[3].cycle); 65 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 66 AT91_SMC_MODE_EXNW_DISABLE | 67 #ifdef CONFIG_SYS_NAND_DBW_16 68 AT91_SMC_MODE_DBW_16 | 69 #else /* CONFIG_SYS_NAND_DBW_8 */ 70 AT91_SMC_MODE_DBW_8 | 71 #endif 72 AT91_SMC_MODE_TDF_CYCLE(1), 73 &smc->cs[3].mode); 74 75 writel(1 << ATMEL_ID_PIOCD, &pmc->pcer); 76 77 /* Configure RDY/BSY */ 78 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 79 /* Enable NandFlash */ 80 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 81 82 at91_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */ 83 at91_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */ 84 at91_set_a_periph(AT91_PIO_PORTD, 2, 1); /* NAND ALE */ 85 at91_set_a_periph(AT91_PIO_PORTD, 3, 1); /* NAND CLE */ 86 at91_set_a_periph(AT91_PIO_PORTD, 6, 1); 87 at91_set_a_periph(AT91_PIO_PORTD, 7, 1); 88 at91_set_a_periph(AT91_PIO_PORTD, 8, 1); 89 at91_set_a_periph(AT91_PIO_PORTD, 9, 1); 90 at91_set_a_periph(AT91_PIO_PORTD, 10, 1); 91 at91_set_a_periph(AT91_PIO_PORTD, 11, 1); 92 at91_set_a_periph(AT91_PIO_PORTD, 12, 1); 93 at91_set_a_periph(AT91_PIO_PORTD, 13, 1); 94 } 95 #endif 96 97 int board_eth_init(bd_t *bis) 98 { 99 int rc = 0; 100 101 #ifdef CONFIG_MACB 102 if (has_emac0()) 103 rc = macb_eth_initialize(0, 104 (void *)ATMEL_BASE_EMAC0, 0x00); 105 if (has_emac1()) 106 rc = macb_eth_initialize(1, 107 (void *)ATMEL_BASE_EMAC1, 0x00); 108 #endif 109 return rc; 110 } 111 112 #ifdef CONFIG_LCD 113 vidinfo_t panel_info = { 114 .vl_col = 800, 115 .vl_row = 480, 116 .vl_clk = 24000000, 117 .vl_sync = LCDC_LCDCFG5_HSPOL | LCDC_LCDCFG5_VSPOL, 118 .vl_bpix = LCD_BPP, 119 .vl_tft = 1, 120 .vl_clk_pol = 1, 121 .vl_hsync_len = 128, 122 .vl_left_margin = 64, 123 .vl_right_margin = 64, 124 .vl_vsync_len = 2, 125 .vl_upper_margin = 22, 126 .vl_lower_margin = 21, 127 .mmio = ATMEL_BASE_LCDC, 128 }; 129 130 void lcd_enable(void) 131 { 132 if (has_lcdc()) 133 at91_set_a_periph(AT91_PIO_PORTC, 29, 1); /* power up */ 134 } 135 136 void lcd_disable(void) 137 { 138 if (has_lcdc()) 139 at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* power down */ 140 } 141 142 static void at91sam9x5ek_lcd_hw_init(void) 143 { 144 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 145 146 if (has_lcdc()) { 147 at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDPWM */ 148 at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDVSYNC */ 149 at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDHSYNC */ 150 at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDISP */ 151 at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */ 152 at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDPCK */ 153 154 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */ 155 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */ 156 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */ 157 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */ 158 at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */ 159 at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */ 160 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */ 161 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */ 162 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */ 163 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */ 164 at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */ 165 at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */ 166 at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */ 167 at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */ 168 at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */ 169 at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */ 170 at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */ 171 at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */ 172 at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */ 173 at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */ 174 at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */ 175 at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */ 176 at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */ 177 at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */ 178 179 writel(1 << ATMEL_ID_LCDC, &pmc->pcer); 180 } 181 } 182 183 #ifdef CONFIG_LCD_INFO 184 void lcd_show_board_info(void) 185 { 186 ulong dram_size, nand_size; 187 int i; 188 char temp[32]; 189 190 if (has_lcdc()) { 191 lcd_printf("%s\n", U_BOOT_VERSION); 192 lcd_printf("(C) 2012 ATMEL Corp\n"); 193 lcd_printf("at91support@atmel.com\n"); 194 lcd_printf("%s CPU at %s MHz\n", 195 get_cpu_name(), 196 strmhz(temp, get_cpu_clk_rate())); 197 198 dram_size = 0; 199 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 200 dram_size += gd->bd->bi_dram[i].size; 201 nand_size = 0; 202 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 203 nand_size += nand_info[i].size; 204 lcd_printf(" %ld MB SDRAM, %ld MB NAND\n", 205 dram_size >> 20, 206 nand_size >> 20); 207 } 208 } 209 #endif /* CONFIG_LCD_INFO */ 210 #endif /* CONFIG_LCD */ 211 212 /* SPI chip select control */ 213 #ifdef CONFIG_ATMEL_SPI 214 int spi_cs_is_valid(unsigned int bus, unsigned int cs) 215 { 216 return bus == 0 && cs < 2; 217 } 218 219 void spi_cs_activate(struct spi_slave *slave) 220 { 221 switch (slave->cs) { 222 case 1: 223 at91_set_pio_output(AT91_PIO_PORTA, 7, 0); 224 break; 225 case 0: 226 default: 227 at91_set_pio_output(AT91_PIO_PORTA, 14, 0); 228 break; 229 } 230 } 231 232 void spi_cs_deactivate(struct spi_slave *slave) 233 { 234 switch (slave->cs) { 235 case 1: 236 at91_set_pio_output(AT91_PIO_PORTA, 7, 1); 237 break; 238 case 0: 239 default: 240 at91_set_pio_output(AT91_PIO_PORTA, 14, 1); 241 break; 242 } 243 } 244 #endif /* CONFIG_ATMEL_SPI */ 245 246 #ifdef CONFIG_GENERIC_ATMEL_MCI 247 int board_mmc_init(bd_t *bd) 248 { 249 at91_mci_hw_init(); 250 251 return atmel_mci_init((void *)ATMEL_BASE_HSMCI0); 252 } 253 #endif 254 255 int board_early_init_f(void) 256 { 257 at91_seriald_hw_init(); 258 return 0; 259 } 260 261 int board_init(void) 262 { 263 /* arch number of AT91SAM9X5EK-Board */ 264 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9X5EK; 265 266 /* adress of boot parameters */ 267 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 268 269 #ifdef CONFIG_CMD_NAND 270 at91sam9x5ek_nand_hw_init(); 271 #endif 272 273 #ifdef CONFIG_ATMEL_SPI 274 at91_spi0_hw_init(1 << 4); 275 #endif 276 277 #ifdef CONFIG_MACB 278 at91_macb_hw_init(); 279 #endif 280 281 #if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI) 282 at91_uhp_hw_init(); 283 #endif 284 #ifdef CONFIG_LCD 285 at91sam9x5ek_lcd_hw_init(); 286 #endif 287 return 0; 288 } 289 290 int dram_init(void) 291 { 292 gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE, 293 CONFIG_SYS_SDRAM_SIZE); 294 return 0; 295 } 296 297 #if defined(CONFIG_SPL_BUILD) 298 #include <spl.h> 299 #include <nand.h> 300 301 void at91_spl_board_init(void) 302 { 303 #ifdef CONFIG_SYS_USE_MMC 304 at91_mci_hw_init(); 305 #elif CONFIG_SYS_USE_NANDFLASH 306 at91sam9x5ek_nand_hw_init(); 307 #elif CONFIG_SYS_USE_SPIFLASH 308 at91_spi0_hw_init(1 << 4); 309 #endif 310 } 311 312 #include <asm/arch/atmel_mpddrc.h> 313 static void ddr2_conf(struct atmel_mpddr *ddr2) 314 { 315 ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); 316 317 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | 318 ATMEL_MPDDRC_CR_NR_ROW_13 | 319 ATMEL_MPDDRC_CR_CAS_DDR_CAS3 | 320 ATMEL_MPDDRC_CR_NB_8BANKS | 321 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED); 322 323 ddr2->rtr = 0x411; 324 325 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | 326 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | 327 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | 328 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | 329 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | 330 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | 331 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | 332 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); 333 334 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | 335 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 336 19 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 337 18 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); 338 339 ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET | 340 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 341 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 342 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 343 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); 344 } 345 346 void mem_init(void) 347 { 348 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 349 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 350 struct atmel_mpddr ddr2; 351 unsigned long csa; 352 353 ddr2_conf(&ddr2); 354 355 /* enable DDR2 clock */ 356 writel(AT91_PMC_DDR, &pmc->scer); 357 358 /* Chip select 1 is for DDR2/SDRAM */ 359 csa = readl(&matrix->ebicsa); 360 csa |= AT91_MATRIX_EBI_CS1A_SDRAMC; 361 csa &= ~AT91_MATRIX_EBI_DBPU_OFF; 362 csa |= AT91_MATRIX_EBI_DBPD_OFF; 363 csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL; 364 writel(csa, &matrix->ebicsa); 365 366 /* DDRAM2 Controller initialize */ 367 ddr2_init(ATMEL_BASE_DDRSDRC, ATMEL_BASE_CS1, &ddr2); 368 } 369 #endif 370