1 /* 2 * Board functions for mini-box PICOSAM9G45 (AT91SAM9G45) based board 3 * (C) Copyright 2015 Inter Act B.V. 4 * 5 * Based on: 6 * U-Boot file: board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c 7 * (C) Copyright 2007-2008 8 * Stelian Pop <stelian@popies.net> 9 * Lead Tech Design <www.leadtechdesign.com> 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14 #include <common.h> 15 #include <asm/io.h> 16 #include <asm/arch/clk.h> 17 #include <asm/arch/at91sam9g45_matrix.h> 18 #include <asm/arch/at91sam9_smc.h> 19 #include <asm/arch/at91_common.h> 20 #include <asm/arch/gpio.h> 21 #include <asm/arch/clk.h> 22 #include <lcd.h> 23 #include <linux/mtd/nand.h> 24 #include <atmel_lcdc.h> 25 #include <atmel_mci.h> 26 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) 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 #if defined(CONFIG_SPL_BUILD) 39 #include <spl.h> 40 41 void at91_spl_board_init(void) 42 { 43 #ifdef CONFIG_SYS_USE_MMC 44 at91_mci_hw_init(); 45 #endif 46 } 47 48 #include <asm/arch/atmel_mpddrc.h> 49 static void ddr2_conf(struct atmel_mpddrc_config *ddr2) 50 { 51 ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); 52 53 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | 54 ATMEL_MPDDRC_CR_NR_ROW_14 | 55 ATMEL_MPDDRC_CR_DQMS_SHARED | 56 ATMEL_MPDDRC_CR_CAS_DDR_CAS3); 57 58 ddr2->rtr = 0x24b; 59 60 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */ 61 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */ 62 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */ 63 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */ 64 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */ 65 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/ 66 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */ 67 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */ 68 69 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */ 70 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 71 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 72 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); 73 74 ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 75 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 76 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 77 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); 78 } 79 80 void mem_init(void) 81 { 82 struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX; 83 struct atmel_mpddrc_config ddr2; 84 unsigned long csa; 85 86 ddr2_conf(&ddr2); 87 88 at91_system_clk_enable(AT91_PMC_DDR); 89 90 /* Chip select 1 is for DDR2/SDRAM */ 91 csa = readl(&mat->ebicsa); 92 csa |= AT91_MATRIX_EBI_CS1A_SDRAMC; 93 csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V; 94 writel(csa, &mat->ebicsa); 95 96 /* DDRAM2 Controller initialize */ 97 ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2); 98 ddr2_init(ATMEL_BASE_DDRSDRC1, ATMEL_BASE_CS1, &ddr2); 99 } 100 #endif 101 102 #ifdef CONFIG_CMD_USB 103 static void picosam9g45_usb_hw_init(void) 104 { 105 at91_periph_clk_enable(ATMEL_ID_PIODE); 106 107 at91_set_gpio_output(AT91_PIN_PD1, 0); 108 at91_set_gpio_output(AT91_PIN_PD3, 0); 109 } 110 #endif 111 112 #ifdef CONFIG_MACB 113 static void picosam9g45_macb_hw_init(void) 114 { 115 struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA; 116 117 at91_periph_clk_enable(ATMEL_ID_EMAC); 118 119 /* 120 * Disable pull-up on: 121 * RXDV (PA15) => PHY normal mode (not Test mode) 122 * ERX0 (PA12) => PHY ADDR0 123 * ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0 124 * 125 * PHY has internal pull-down 126 */ 127 writel(pin_to_mask(AT91_PIN_PA15) | 128 pin_to_mask(AT91_PIN_PA12) | 129 pin_to_mask(AT91_PIN_PA13), 130 &pioa->pudr); 131 132 at91_phy_reset(); 133 134 /* Re-enable pull-up */ 135 writel(pin_to_mask(AT91_PIN_PA15) | 136 pin_to_mask(AT91_PIN_PA12) | 137 pin_to_mask(AT91_PIN_PA13), 138 &pioa->puer); 139 140 /* And the pins. */ 141 at91_macb_hw_init(); 142 } 143 #endif 144 145 #ifdef CONFIG_LCD 146 147 vidinfo_t panel_info = { 148 .vl_col = 480, 149 .vl_row = 272, 150 .vl_clk = 9000000, 151 .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | 152 ATMEL_LCDC_INVFRAME_NORMAL, 153 .vl_bpix = 3, 154 .vl_tft = 1, 155 .vl_hsync_len = 45, 156 .vl_left_margin = 1, 157 .vl_right_margin = 1, 158 .vl_vsync_len = 1, 159 .vl_upper_margin = 40, 160 .vl_lower_margin = 1, 161 .mmio = ATMEL_BASE_LCDC, 162 }; 163 164 165 void lcd_enable(void) 166 { 167 at91_set_A_periph(AT91_PIN_PE6, 1); /* power up */ 168 } 169 170 void lcd_disable(void) 171 { 172 at91_set_A_periph(AT91_PIN_PE6, 0); /* power down */ 173 } 174 175 static void picosam9g45_lcd_hw_init(void) 176 { 177 at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ 178 at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ 179 at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ 180 at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ 181 at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ 182 183 at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ 184 at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ 185 at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ 186 at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ 187 at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ 188 at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ 189 at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ 190 at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ 191 at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ 192 at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ 193 at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ 194 at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ 195 at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ 196 at91_set_B_periph(AT91_PIN_PE20, 0); /* LCDD13 */ 197 at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ 198 at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ 199 at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ 200 at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ 201 at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ 202 at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ 203 at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ 204 at91_set_B_periph(AT91_PIN_PE28, 0); /* LCDD21 */ 205 at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ 206 at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ 207 208 at91_periph_clk_enable(ATMEL_ID_LCDC); 209 210 gd->fb_base = CONFIG_AT91SAM9G45_LCD_BASE; 211 } 212 213 #ifdef CONFIG_LCD_INFO 214 #include <nand.h> 215 #include <version.h> 216 217 void lcd_show_board_info(void) 218 { 219 ulong dram_size; 220 int i; 221 char temp[32]; 222 223 lcd_printf("%s\n", U_BOOT_VERSION); 224 lcd_printf("(C) 2015 Inter Act B.V.\n"); 225 lcd_printf("support@interact.nl\n"); 226 lcd_printf("%s CPU at %s MHz\n", 227 ATMEL_CPU_NAME, 228 strmhz(temp, get_cpu_clk_rate())); 229 230 dram_size = 0; 231 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 232 dram_size += gd->bd->bi_dram[i].size; 233 lcd_printf(" %ld MB SDRAM\n", dram_size >> 20); 234 } 235 #endif /* CONFIG_LCD_INFO */ 236 #endif 237 238 #ifdef CONFIG_GENERIC_ATMEL_MCI 239 int board_mmc_init(bd_t *bis) 240 { 241 at91_mci_hw_init(); 242 243 return atmel_mci_init((void *)ATMEL_BASE_MCI0); 244 } 245 #endif 246 247 int board_early_init_f(void) 248 { 249 at91_seriald_hw_init(); 250 return 0; 251 } 252 253 int board_init(void) 254 { 255 gd->bd->bi_arch_number = MACH_TYPE_PICOSAM9G45; 256 257 /* adress of boot parameters */ 258 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 259 260 #ifdef CONFIG_CMD_USB 261 picosam9g45_usb_hw_init(); 262 #endif 263 #ifdef CONFIG_HAS_DATAFLASH 264 at91_spi0_hw_init(1 << 0); 265 #endif 266 #ifdef CONFIG_ATMEL_SPI 267 at91_spi0_hw_init(1 << 4); 268 #endif 269 #ifdef CONFIG_MACB 270 picosam9g45_macb_hw_init(); 271 #endif 272 #ifdef CONFIG_LCD 273 picosam9g45_lcd_hw_init(); 274 #endif 275 return 0; 276 } 277 278 int dram_init(void) 279 { 280 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) 281 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE); 282 283 return 0; 284 } 285 286 int dram_init_banksize(void) 287 { 288 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 289 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, 290 PHYS_SDRAM_1_SIZE); 291 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 292 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, 293 PHYS_SDRAM_2_SIZE); 294 295 return 0; 296 } 297 298 #ifdef CONFIG_RESET_PHY_R 299 void reset_phy(void) 300 { 301 } 302 #endif 303 304 int board_eth_init(bd_t *bis) 305 { 306 int rc = 0; 307 #ifdef CONFIG_MACB 308 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); 309 #endif 310 return rc; 311 } 312 313 /* SPI chip select control */ 314 #ifdef CONFIG_ATMEL_SPI 315 #include <spi.h> 316 317 int spi_cs_is_valid(unsigned int bus, unsigned int cs) 318 { 319 return bus == 0 && cs < 2; 320 } 321 322 void spi_cs_activate(struct spi_slave *slave) 323 { 324 switch (slave->cs) { 325 case 1: 326 at91_set_gpio_output(AT91_PIN_PB18, 0); 327 break; 328 case 0: 329 default: 330 at91_set_gpio_output(AT91_PIN_PB3, 0); 331 break; 332 } 333 } 334 335 void spi_cs_deactivate(struct spi_slave *slave) 336 { 337 switch (slave->cs) { 338 case 1: 339 at91_set_gpio_output(AT91_PIN_PB18, 1); 340 break; 341 case 0: 342 default: 343 at91_set_gpio_output(AT91_PIN_PB3, 1); 344 break; 345 } 346 } 347 #endif /* CONFIG_ATMEL_SPI */ 348