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 #include <asm/mach-types.h> 22 23 DECLARE_GLOBAL_DATA_PTR; 24 25 /* ------------------------------------------------------------------------- */ 26 /* 27 * Miscelaneous platform dependent initialisations 28 */ 29 30 #ifdef CONFIG_CMD_NAND 31 void at91sam9m10g45ek_nand_hw_init(void) 32 { 33 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 34 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 35 unsigned long csa; 36 37 /* Enable CS3 */ 38 csa = readl(&matrix->ebicsa); 39 csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA; 40 writel(csa, &matrix->ebicsa); 41 42 /* Configure SMC CS3 for NAND/SmartMedia */ 43 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 44 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 45 &smc->cs[3].setup); 46 writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) | 47 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2), 48 &smc->cs[3].pulse); 49 writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4), 50 &smc->cs[3].cycle); 51 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 52 AT91_SMC_MODE_EXNW_DISABLE | 53 #ifdef CONFIG_SYS_NAND_DBW_16 54 AT91_SMC_MODE_DBW_16 | 55 #else /* CONFIG_SYS_NAND_DBW_8 */ 56 AT91_SMC_MODE_DBW_8 | 57 #endif 58 AT91_SMC_MODE_TDF_CYCLE(3), 59 &smc->cs[3].mode); 60 61 at91_periph_clk_enable(ATMEL_ID_PIOC); 62 63 /* Configure RDY/BSY */ 64 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); 65 66 /* Enable NandFlash */ 67 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); 68 } 69 #endif 70 71 #if defined(CONFIG_SPL_BUILD) 72 #include <spl.h> 73 #include <nand.h> 74 75 void at91_spl_board_init(void) 76 { 77 /* 78 * On the at91sam9m10g45ek board, the chip wm9711 stays in the 79 * test mode, so it needs do some action to exit test mode. 80 */ 81 at91_periph_clk_enable(ATMEL_ID_PIODE); 82 at91_set_gpio_output(AT91_PIN_PD7, 0); 83 at91_set_gpio_output(AT91_PIN_PD8, 0); 84 at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1); 85 at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1); 86 87 #ifdef CONFIG_SYS_USE_MMC 88 at91_mci_hw_init(); 89 #elif CONFIG_SYS_USE_NANDFLASH 90 at91sam9m10g45ek_nand_hw_init(); 91 #endif 92 } 93 94 #include <asm/arch/atmel_mpddrc.h> 95 static void ddr2_conf(struct atmel_mpddrc_config *ddr2) 96 { 97 ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); 98 99 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | 100 ATMEL_MPDDRC_CR_NR_ROW_14 | 101 ATMEL_MPDDRC_CR_DQMS_SHARED | 102 ATMEL_MPDDRC_CR_CAS_DDR_CAS3); 103 104 ddr2->rtr = 0x24b; 105 106 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */ 107 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */ 108 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */ 109 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */ 110 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */ 111 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/ 112 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */ 113 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */ 114 115 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */ 116 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 117 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 118 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); 119 120 ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 121 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 122 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 123 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); 124 } 125 126 void mem_init(void) 127 { 128 struct atmel_mpddrc_config ddr2; 129 130 ddr2_conf(&ddr2); 131 132 at91_system_clk_enable(AT91_PMC_DDR); 133 134 /* DDRAM2 Controller initialize */ 135 ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2); 136 } 137 #endif 138 139 #ifdef CONFIG_CMD_USB 140 static void at91sam9m10g45ek_usb_hw_init(void) 141 { 142 at91_periph_clk_enable(ATMEL_ID_PIODE); 143 144 at91_set_gpio_output(AT91_PIN_PD1, 0); 145 at91_set_gpio_output(AT91_PIN_PD3, 0); 146 } 147 #endif 148 149 #ifdef CONFIG_LCD 150 151 vidinfo_t panel_info = { 152 .vl_col = 480, 153 .vl_row = 272, 154 .vl_clk = 9000000, 155 .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | 156 ATMEL_LCDC_INVFRAME_NORMAL, 157 .vl_bpix = 3, 158 .vl_tft = 1, 159 .vl_hsync_len = 45, 160 .vl_left_margin = 1, 161 .vl_right_margin = 1, 162 .vl_vsync_len = 1, 163 .vl_upper_margin = 40, 164 .vl_lower_margin = 1, 165 .mmio = ATMEL_BASE_LCDC, 166 }; 167 168 169 void lcd_enable(void) 170 { 171 at91_set_A_periph(AT91_PIN_PE6, 1); /* power up */ 172 } 173 174 void lcd_disable(void) 175 { 176 at91_set_A_periph(AT91_PIN_PE6, 0); /* power down */ 177 } 178 179 static void at91sam9m10g45ek_lcd_hw_init(void) 180 { 181 at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ 182 at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ 183 at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ 184 at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ 185 at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ 186 187 at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ 188 at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ 189 at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ 190 at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ 191 at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ 192 at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ 193 at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ 194 at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ 195 at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ 196 at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ 197 at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ 198 at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ 199 at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ 200 at91_set_B_periph(AT91_PIN_PE20, 0); /* LCDD13 */ 201 at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ 202 at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ 203 at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ 204 at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ 205 at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ 206 at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ 207 at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ 208 at91_set_B_periph(AT91_PIN_PE28, 0); /* LCDD21 */ 209 at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ 210 at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ 211 212 at91_periph_clk_enable(ATMEL_ID_LCDC); 213 214 gd->fb_base = CONFIG_AT91SAM9G45_LCD_BASE; 215 } 216 217 #ifdef CONFIG_LCD_INFO 218 #include <nand.h> 219 #include <version.h> 220 221 void lcd_show_board_info(void) 222 { 223 ulong dram_size, nand_size; 224 int i; 225 char temp[32]; 226 227 lcd_printf ("%s\n", U_BOOT_VERSION); 228 lcd_printf ("(C) 2008 ATMEL Corp\n"); 229 lcd_printf ("at91support@atmel.com\n"); 230 lcd_printf ("%s CPU at %s MHz\n", 231 ATMEL_CPU_NAME, 232 strmhz(temp, get_cpu_clk_rate())); 233 234 dram_size = 0; 235 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 236 dram_size += gd->bd->bi_dram[i].size; 237 nand_size = 0; 238 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 239 nand_size += nand_info[i]->size; 240 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", 241 dram_size >> 20, 242 nand_size >> 20 ); 243 } 244 #endif /* CONFIG_LCD_INFO */ 245 #endif 246 247 #ifdef CONFIG_DEBUG_UART_BOARD_INIT 248 void board_debug_uart_init(void) 249 { 250 at91_seriald_hw_init(); 251 } 252 #endif 253 254 #ifdef CONFIG_BOARD_EARLY_INIT_F 255 int board_early_init_f(void) 256 { 257 #ifdef CONFIG_DEBUG_UART 258 debug_uart_init(); 259 #endif 260 return 0; 261 } 262 #endif 263 264 int board_init(void) 265 { 266 /* arch number of AT91SAM9M10G45EK-Board */ 267 #ifdef CONFIG_AT91SAM9M10G45EK 268 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK; 269 #elif defined CONFIG_AT91SAM9G45EKES 270 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G45EKES; 271 #endif 272 273 /* adress of boot parameters */ 274 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 275 276 #ifdef CONFIG_CMD_NAND 277 at91sam9m10g45ek_nand_hw_init(); 278 #endif 279 #ifdef CONFIG_CMD_USB 280 at91sam9m10g45ek_usb_hw_init(); 281 #endif 282 #ifdef CONFIG_LCD 283 at91sam9m10g45ek_lcd_hw_init(); 284 #endif 285 return 0; 286 } 287 288 int dram_init(void) 289 { 290 gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE, 291 CONFIG_SYS_SDRAM_SIZE); 292 return 0; 293 } 294 295 #ifdef CONFIG_RESET_PHY_R 296 void reset_phy(void) 297 { 298 } 299 #endif 300