1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <debug_uart.h> 11 #include <asm/io.h> 12 #include <asm/arch/clk.h> 13 #include <asm/arch/at91sam9g45_matrix.h> 14 #include <asm/arch/at91sam9_smc.h> 15 #include <asm/arch/at91_common.h> 16 #include <asm/arch/gpio.h> 17 #include <asm/arch/clk.h> 18 #include <lcd.h> 19 #include <linux/mtd/nand.h> 20 #include <atmel_lcdc.h> 21 22 DECLARE_GLOBAL_DATA_PTR; 23 24 /* ------------------------------------------------------------------------- */ 25 /* 26 * Miscelaneous platform dependent initialisations 27 */ 28 29 #ifdef CONFIG_CMD_NAND 30 void at91sam9m10g45ek_nand_hw_init(void) 31 { 32 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 33 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 34 unsigned long csa; 35 36 /* Enable CS3 */ 37 csa = readl(&matrix->ebicsa); 38 csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA; 39 writel(csa, &matrix->ebicsa); 40 41 /* Configure SMC CS3 for NAND/SmartMedia */ 42 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 43 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 44 &smc->cs[3].setup); 45 writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) | 46 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2), 47 &smc->cs[3].pulse); 48 writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4), 49 &smc->cs[3].cycle); 50 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 51 AT91_SMC_MODE_EXNW_DISABLE | 52 #ifdef CONFIG_SYS_NAND_DBW_16 53 AT91_SMC_MODE_DBW_16 | 54 #else /* CONFIG_SYS_NAND_DBW_8 */ 55 AT91_SMC_MODE_DBW_8 | 56 #endif 57 AT91_SMC_MODE_TDF_CYCLE(3), 58 &smc->cs[3].mode); 59 60 at91_periph_clk_enable(ATMEL_ID_PIOC); 61 62 /* Configure RDY/BSY */ 63 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 64 65 /* Enable NandFlash */ 66 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 67 } 68 #endif 69 70 #if defined(CONFIG_SPL_BUILD) 71 #include <spl.h> 72 #include <nand.h> 73 74 void at91_spl_board_init(void) 75 { 76 /* 77 * On the at91sam9m10g45ek board, the chip wm9711 stays in the 78 * test mode, so it needs do some action to exit test mode. 79 */ 80 at91_periph_clk_enable(ATMEL_ID_PIODE); 81 at91_set_gpio_output(AT91_PIN_PD7, 0); 82 at91_set_gpio_output(AT91_PIN_PD8, 0); 83 at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1); 84 at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1); 85 86 #ifdef CONFIG_SYS_USE_MMC 87 at91_mci_hw_init(); 88 #elif CONFIG_SYS_USE_NANDFLASH 89 at91sam9m10g45ek_nand_hw_init(); 90 #endif 91 } 92 93 #include <asm/arch/atmel_mpddrc.h> 94 static void ddr2_conf(struct atmel_mpddrc_config *ddr2) 95 { 96 ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); 97 98 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | 99 ATMEL_MPDDRC_CR_NR_ROW_14 | 100 ATMEL_MPDDRC_CR_DQMS_SHARED | 101 ATMEL_MPDDRC_CR_CAS_DDR_CAS3); 102 103 ddr2->rtr = 0x24b; 104 105 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */ 106 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */ 107 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */ 108 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */ 109 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */ 110 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/ 111 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */ 112 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */ 113 114 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */ 115 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 116 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 117 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); 118 119 ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 120 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 121 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 122 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); 123 } 124 125 void mem_init(void) 126 { 127 struct atmel_mpddrc_config ddr2; 128 129 ddr2_conf(&ddr2); 130 131 at91_system_clk_enable(AT91_PMC_DDR); 132 133 /* DDRAM2 Controller initialize */ 134 ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2); 135 } 136 #endif 137 138 #ifdef CONFIG_CMD_USB 139 static void at91sam9m10g45ek_usb_hw_init(void) 140 { 141 at91_periph_clk_enable(ATMEL_ID_PIODE); 142 143 at91_set_gpio_output(AT91_PIN_PD1, 0); 144 at91_set_gpio_output(AT91_PIN_PD3, 0); 145 } 146 #endif 147 148 #ifdef CONFIG_LCD 149 150 vidinfo_t panel_info = { 151 .vl_col = 480, 152 .vl_row = 272, 153 .vl_clk = 9000000, 154 .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | 155 ATMEL_LCDC_INVFRAME_NORMAL, 156 .vl_bpix = 3, 157 .vl_tft = 1, 158 .vl_hsync_len = 45, 159 .vl_left_margin = 1, 160 .vl_right_margin = 1, 161 .vl_vsync_len = 1, 162 .vl_upper_margin = 40, 163 .vl_lower_margin = 1, 164 .mmio = ATMEL_BASE_LCDC, 165 }; 166 167 168 void lcd_enable(void) 169 { 170 at91_set_A_periph(AT91_PIN_PE6, 1); /* power up */ 171 } 172 173 void lcd_disable(void) 174 { 175 at91_set_A_periph(AT91_PIN_PE6, 0); /* power down */ 176 } 177 178 static void at91sam9m10g45ek_lcd_hw_init(void) 179 { 180 at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ 181 at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ 182 at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ 183 at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ 184 at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ 185 186 at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ 187 at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ 188 at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ 189 at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ 190 at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ 191 at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ 192 at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ 193 at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ 194 at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ 195 at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ 196 at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ 197 at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ 198 at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ 199 at91_set_B_periph(AT91_PIN_PE20, 0); /* LCDD13 */ 200 at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ 201 at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ 202 at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ 203 at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ 204 at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ 205 at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ 206 at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ 207 at91_set_B_periph(AT91_PIN_PE28, 0); /* LCDD21 */ 208 at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ 209 at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ 210 211 at91_periph_clk_enable(ATMEL_ID_LCDC); 212 213 gd->fb_base = CONFIG_AT91SAM9G45_LCD_BASE; 214 } 215 216 #ifdef CONFIG_LCD_INFO 217 #include <nand.h> 218 #include <version.h> 219 220 void lcd_show_board_info(void) 221 { 222 ulong dram_size, nand_size; 223 int i; 224 char temp[32]; 225 226 lcd_printf ("%s\n", U_BOOT_VERSION); 227 lcd_printf ("(C) 2008 ATMEL Corp\n"); 228 lcd_printf ("at91support@atmel.com\n"); 229 lcd_printf ("%s CPU at %s MHz\n", 230 ATMEL_CPU_NAME, 231 strmhz(temp, get_cpu_clk_rate())); 232 233 dram_size = 0; 234 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 235 dram_size += gd->bd->bi_dram[i].size; 236 nand_size = 0; 237 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 238 nand_size += nand_info[i]->size; 239 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 240 dram_size >> 20, 241 nand_size >> 20 ); 242 } 243 #endif /* CONFIG_LCD_INFO */ 244 #endif 245 246 #ifdef CONFIG_DEBUG_UART_BOARD_INIT 247 void board_debug_uart_init(void) 248 { 249 at91_seriald_hw_init(); 250 } 251 #endif 252 253 #ifdef CONFIG_BOARD_EARLY_INIT_F 254 int board_early_init_f(void) 255 { 256 #ifdef CONFIG_DEBUG_UART 257 debug_uart_init(); 258 #endif 259 return 0; 260 } 261 #endif 262 263 int board_init(void) 264 { 265 /* arch number of AT91SAM9M10G45EK-Board */ 266 #ifdef CONFIG_AT91SAM9M10G45EK 267 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK; 268 #elif defined CONFIG_AT91SAM9G45EKES 269 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G45EKES; 270 #endif 271 272 /* adress of boot parameters */ 273 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 274 275 #ifdef CONFIG_CMD_NAND 276 at91sam9m10g45ek_nand_hw_init(); 277 #endif 278 #ifdef CONFIG_CMD_USB 279 at91sam9m10g45ek_usb_hw_init(); 280 #endif 281 #ifdef CONFIG_LCD 282 at91sam9m10g45ek_lcd_hw_init(); 283 #endif 284 return 0; 285 } 286 287 int dram_init(void) 288 { 289 gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE, 290 CONFIG_SYS_SDRAM_SIZE); 291 return 0; 292 } 293 294 #ifdef CONFIG_RESET_PHY_R 295 void reset_phy(void) 296 { 297 } 298 #endif 299