1 /* 2 * Copyright (C) 2015 Atmel Corporation 3 * Wenyou.Yang <wenyou.yang@atmel.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <atmel_hlcdc.h> 10 #include <debug_uart.h> 11 #include <lcd.h> 12 #include <version.h> 13 #include <asm/io.h> 14 #include <asm/arch/at91_common.h> 15 #include <asm/arch/atmel_pio4.h> 16 #include <asm/arch/atmel_mpddrc.h> 17 #include <asm/arch/atmel_sdhci.h> 18 #include <asm/arch/clk.h> 19 #include <asm/arch/gpio.h> 20 #include <asm/arch/sama5d2.h> 21 22 DECLARE_GLOBAL_DATA_PTR; 23 24 static void board_usb_hw_init(void) 25 { 26 atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1); 27 } 28 29 #ifdef CONFIG_LCD 30 vidinfo_t panel_info = { 31 .vl_col = 480, 32 .vl_row = 272, 33 .vl_clk = 9000000, 34 .vl_bpix = LCD_BPP, 35 .vl_tft = 1, 36 .vl_hsync_len = 41, 37 .vl_left_margin = 2, 38 .vl_right_margin = 2, 39 .vl_vsync_len = 11, 40 .vl_upper_margin = 2, 41 .vl_lower_margin = 2, 42 .mmio = ATMEL_BASE_LCDC, 43 }; 44 45 /* No power up/down pin for the LCD pannel */ 46 void lcd_enable(void) { /* Empty! */ } 47 void lcd_disable(void) { /* Empty! */ } 48 49 unsigned int has_lcdc(void) 50 { 51 return 1; 52 } 53 54 static void board_lcd_hw_init(void) 55 { 56 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDPWM */ 57 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDISP */ 58 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDVSYNC */ 59 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 31, 0); /* LCDHSYNC */ 60 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 0, 0); /* LCDPCK */ 61 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 1, 0); /* LCDDEN */ 62 63 /* LCDDAT0 */ 64 /* LCDDAT1 */ 65 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDDAT2 */ 66 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDDAT3 */ 67 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDDAT4 */ 68 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDDAT5 */ 69 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDDAT6 */ 70 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDDAT7 */ 71 72 /* LCDDAT8 */ 73 /* LCDDAT9 */ 74 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDDAT10 */ 75 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDDAT11 */ 76 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDDAT12 */ 77 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDDAT13 */ 78 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDDAT14 */ 79 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDDAT15 */ 80 81 /* LCDD16 */ 82 /* LCDD17 */ 83 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDDAT18 */ 84 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDDAT19 */ 85 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDAT20 */ 86 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 25, 0); /* LCDDAT21 */ 87 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDDAT22 */ 88 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDDAT23 */ 89 90 at91_periph_clk_enable(ATMEL_ID_LCDC); 91 } 92 93 #ifdef CONFIG_LCD_INFO 94 void lcd_show_board_info(void) 95 { 96 ulong dram_size; 97 int i; 98 char temp[32]; 99 100 lcd_printf("%s\n", U_BOOT_VERSION); 101 lcd_printf("2015 ATMEL Corp\n"); 102 lcd_printf("%s CPU at %s MHz\n", get_cpu_name(), 103 strmhz(temp, get_cpu_clk_rate())); 104 105 dram_size = 0; 106 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 107 dram_size += gd->bd->bi_dram[i].size; 108 109 lcd_printf("%ld MB SDRAM\n", dram_size >> 20); 110 } 111 #endif /* CONFIG_LCD_INFO */ 112 #endif /* CONFIG_LCD */ 113 114 #ifdef CONFIG_DEBUG_UART_BOARD_INIT 115 static void board_uart1_hw_init(void) 116 { 117 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */ 118 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */ 119 120 at91_periph_clk_enable(ATMEL_ID_UART1); 121 } 122 123 void board_debug_uart_init(void) 124 { 125 board_uart1_hw_init(); 126 } 127 #endif 128 129 #ifdef CONFIG_BOARD_EARLY_INIT_F 130 int board_early_init_f(void) 131 { 132 #ifdef CONFIG_DEBUG_UART 133 debug_uart_init(); 134 #endif 135 136 return 0; 137 } 138 #endif 139 140 int board_init(void) 141 { 142 /* address of boot parameters */ 143 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 144 145 #ifdef CONFIG_LCD 146 board_lcd_hw_init(); 147 #endif 148 #ifdef CONFIG_CMD_USB 149 board_usb_hw_init(); 150 #endif 151 152 return 0; 153 } 154 155 int dram_init(void) 156 { 157 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 158 CONFIG_SYS_SDRAM_SIZE); 159 return 0; 160 } 161 162 #define AT24MAC_MAC_OFFSET 0x9a 163 164 #ifdef CONFIG_MISC_INIT_R 165 int misc_init_r(void) 166 { 167 #ifdef CONFIG_I2C_EEPROM 168 at91_set_ethaddr(AT24MAC_MAC_OFFSET); 169 #endif 170 171 return 0; 172 } 173 #endif 174 175 /* SPL */ 176 #ifdef CONFIG_SPL_BUILD 177 void spl_board_init(void) 178 { 179 } 180 181 static void ddrc_conf(struct atmel_mpddrc_config *ddrc) 182 { 183 ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM); 184 185 ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | 186 ATMEL_MPDDRC_CR_NR_ROW_14 | 187 ATMEL_MPDDRC_CR_CAS_DDR_CAS5 | 188 ATMEL_MPDDRC_CR_DIC_DS | 189 ATMEL_MPDDRC_CR_DIS_DLL | 190 ATMEL_MPDDRC_CR_NB_8BANKS | 191 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | 192 ATMEL_MPDDRC_CR_UNAL_SUPPORTED); 193 194 ddrc->rtr = 0x511; 195 196 ddrc->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | 197 3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | 198 4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | 199 9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | 200 3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | 201 4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | 202 4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | 203 4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); 204 205 ddrc->tpr1 = (27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET | 206 29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 207 0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 208 3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET); 209 210 ddrc->tpr2 = (0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET | 211 0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 212 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 213 4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 214 7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET); 215 } 216 217 void mem_init(void) 218 { 219 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 220 struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC; 221 struct atmel_mpddrc_config ddrc_config; 222 u32 reg; 223 224 ddrc_conf(&ddrc_config); 225 226 at91_periph_clk_enable(ATMEL_ID_MPDDRC); 227 writel(AT91_PMC_DDR, &pmc->scer); 228 229 reg = readl(&mpddrc->io_calibr); 230 reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV; 231 reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55; 232 reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO; 233 reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100); 234 writel(reg, &mpddrc->io_calibr); 235 236 writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE, 237 &mpddrc->rd_data_path); 238 239 ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config); 240 241 writel(0x3, &mpddrc->cal_mr4); 242 writel(64, &mpddrc->tim_cal); 243 } 244 245 void at91_pmc_init(void) 246 { 247 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; 248 u32 tmp; 249 250 /* 251 * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz 252 * so we need to slow down and configure MCKR accordingly. 253 * This is why we have a special flavor of the switching function. 254 */ 255 tmp = AT91_PMC_MCKR_PLLADIV_2 | 256 AT91_PMC_MCKR_MDIV_3 | 257 AT91_PMC_MCKR_CSS_MAIN; 258 at91_mck_init_down(tmp); 259 260 tmp = AT91_PMC_PLLAR_29 | 261 AT91_PMC_PLLXR_PLLCOUNT(0x3f) | 262 AT91_PMC_PLLXR_MUL(82) | 263 AT91_PMC_PLLXR_DIV(1); 264 at91_plla_init(tmp); 265 266 writel(0x0 << 8, &pmc->pllicpr); 267 268 tmp = AT91_PMC_MCKR_H32MXDIV | 269 AT91_PMC_MCKR_PLLADIV_2 | 270 AT91_PMC_MCKR_MDIV_3 | 271 AT91_PMC_MCKR_CSS_PLLA; 272 at91_mck_init(tmp); 273 } 274 #endif 275