2 * Copyright (C) 2012 - 2013 Atmel Corporation
3 * Bo Shen <voice.shen@atmel.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/sama5d3_smc.h>
11 #include <asm/arch/at91_common.h>
12 #include <asm/arch/at91_rstc.h>
13 #include <asm/arch/gpio.h>
14 #include <asm/arch/clk.h>
16 #include <linux/ctype.h>
17 #include <atmel_hlcdc.h>
21 #include <asm/arch/atmel_mpddrc.h>
22 #include <asm/arch/at91_wdt.h>
24 DECLARE_GLOBAL_DATA_PTR;
26 /* ------------------------------------------------------------------------- */
28 * Miscelaneous platform dependent initialisations
31 #ifdef CONFIG_NAND_ATMEL
32 void sama5d3xek_nand_hw_init(void)
34 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
36 at91_periph_clk_enable(ATMEL_ID_SMC);
38 /* Configure SMC CS3 for NAND/SmartMedia */
39 writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) |
40 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1),
42 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
43 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5),
45 writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
47 writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) |
48 AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) |
49 AT91_SMC_TIMINGS_TWB(5) | AT91_SMC_TIMINGS_RBNSEL(3)|
50 AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
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 */
58 AT91_SMC_MODE_TDF_CYCLE(3),
63 #ifdef CONFIG_MTD_NOR_FLASH
64 static void sama5d3xek_nor_hw_init(void)
66 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
68 at91_periph_clk_enable(ATMEL_ID_SMC);
70 /* Configure SMC CS0 for NOR flash */
71 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
72 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
74 writel(AT91_SMC_PULSE_NWE(10) | AT91_SMC_PULSE_NCS_WR(11) |
75 AT91_SMC_PULSE_NRD(10) | AT91_SMC_PULSE_NCS_RD(11),
77 writel(AT91_SMC_CYCLE_NWE(11) | AT91_SMC_CYCLE_NRD(14),
79 writel(AT91_SMC_TIMINGS_TCLR(0) | AT91_SMC_TIMINGS_TADL(0) |
80 AT91_SMC_TIMINGS_TAR(0) | AT91_SMC_TIMINGS_TRR(0) |
81 AT91_SMC_TIMINGS_TWB(0) | AT91_SMC_TIMINGS_RBNSEL(0)|
82 AT91_SMC_TIMINGS_NFSEL(0), &smc->cs[0].timings);
83 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
84 AT91_SMC_MODE_EXNW_DISABLE |
85 AT91_SMC_MODE_DBW_16 |
86 AT91_SMC_MODE_TDF_CYCLE(1),
89 /* Address pin (A1 ~ A23) configuration */
90 at91_pio3_set_a_periph(AT91_PIO_PORTE, 1, 0);
91 at91_pio3_set_a_periph(AT91_PIO_PORTE, 2, 0);
92 at91_pio3_set_a_periph(AT91_PIO_PORTE, 3, 0);
93 at91_pio3_set_a_periph(AT91_PIO_PORTE, 4, 0);
94 at91_pio3_set_a_periph(AT91_PIO_PORTE, 5, 0);
95 at91_pio3_set_a_periph(AT91_PIO_PORTE, 6, 0);
96 at91_pio3_set_a_periph(AT91_PIO_PORTE, 7, 0);
97 at91_pio3_set_a_periph(AT91_PIO_PORTE, 8, 0);
98 at91_pio3_set_a_periph(AT91_PIO_PORTE, 9, 0);
99 at91_pio3_set_a_periph(AT91_PIO_PORTE, 10, 0);
100 at91_pio3_set_a_periph(AT91_PIO_PORTE, 11, 0);
101 at91_pio3_set_a_periph(AT91_PIO_PORTE, 12, 0);
102 at91_pio3_set_a_periph(AT91_PIO_PORTE, 13, 0);
103 at91_pio3_set_a_periph(AT91_PIO_PORTE, 14, 0);
104 at91_pio3_set_a_periph(AT91_PIO_PORTE, 15, 0);
105 at91_pio3_set_a_periph(AT91_PIO_PORTE, 16, 0);
106 at91_pio3_set_a_periph(AT91_PIO_PORTE, 17, 0);
107 at91_pio3_set_a_periph(AT91_PIO_PORTE, 18, 0);
108 at91_pio3_set_a_periph(AT91_PIO_PORTE, 19, 0);
109 at91_pio3_set_a_periph(AT91_PIO_PORTE, 20, 0);
110 at91_pio3_set_a_periph(AT91_PIO_PORTE, 21, 0);
111 at91_pio3_set_a_periph(AT91_PIO_PORTE, 22, 0);
112 at91_pio3_set_a_periph(AT91_PIO_PORTE, 23, 0);
113 /* CS0 pin configuration */
114 at91_pio3_set_a_periph(AT91_PIO_PORTE, 26, 0);
118 #ifdef CONFIG_CMD_USB
119 static void sama5d3xek_usb_hw_init(void)
121 at91_set_pio_output(AT91_PIO_PORTD, 25, 0);
122 at91_set_pio_output(AT91_PIO_PORTD, 26, 0);
123 at91_set_pio_output(AT91_PIO_PORTD, 27, 0);
127 #ifdef CONFIG_GENERIC_ATMEL_MCI
128 static void sama5d3xek_mci_hw_init(void)
130 at91_set_pio_output(AT91_PIO_PORTB, 10, 0); /* MCI0 Power */
135 vidinfo_t panel_info = {
142 .vl_left_margin = 64,
143 .vl_right_margin = 64,
145 .vl_upper_margin = 22,
146 .vl_lower_margin = 21,
147 .mmio = ATMEL_BASE_LCDC,
150 void lcd_enable(void)
154 void lcd_disable(void)
158 static void sama5d3xek_lcd_hw_init(void)
160 gd->fb_base = CONFIG_SAMA5D3_LCD_BASE;
162 /* The higher 8 bit of LCD is board related */
163 at91_pio3_set_c_periph(AT91_PIO_PORTC, 14, 0); /* LCDD16 */
164 at91_pio3_set_c_periph(AT91_PIO_PORTC, 13, 0); /* LCDD17 */
165 at91_pio3_set_c_periph(AT91_PIO_PORTC, 12, 0); /* LCDD18 */
166 at91_pio3_set_c_periph(AT91_PIO_PORTC, 11, 0); /* LCDD19 */
167 at91_pio3_set_c_periph(AT91_PIO_PORTC, 10, 0); /* LCDD20 */
168 at91_pio3_set_c_periph(AT91_PIO_PORTC, 15, 0); /* LCDD21 */
169 at91_pio3_set_c_periph(AT91_PIO_PORTE, 27, 0); /* LCDD22 */
170 at91_pio3_set_c_periph(AT91_PIO_PORTE, 28, 0); /* LCDD23 */
172 /* Configure lower 16 bit of LCD and enable clock */
176 #ifdef CONFIG_LCD_INFO
180 void lcd_show_board_info(void)
187 lcd_printf("%s\n", U_BOOT_VERSION);
188 lcd_printf("(C) 2013 ATMEL Corp\n");
189 lcd_printf("at91@atmel.com\n");
190 lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
191 strmhz(temp, get_cpu_clk_rate()));
194 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
195 dram_size += gd->bd->bi_dram[i].size;
198 #ifdef CONFIG_NAND_ATMEL
199 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
200 nand_size += nand_info[i]->size;
202 lcd_printf("%ld MB SDRAM, %lld MB NAND\n",
203 dram_size >> 20, nand_size >> 20);
205 #endif /* CONFIG_LCD_INFO */
206 #endif /* CONFIG_LCD */
208 int board_early_init_f(void)
210 at91_seriald_hw_init();
217 /* adress of boot parameters */
218 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
220 #ifdef CONFIG_NAND_ATMEL
221 sama5d3xek_nand_hw_init();
223 #ifdef CONFIG_MTD_NOR_FLASH
224 sama5d3xek_nor_hw_init();
226 #ifdef CONFIG_CMD_USB
227 sama5d3xek_usb_hw_init();
229 #ifdef CONFIG_GENERIC_ATMEL_MCI
230 sama5d3xek_mci_hw_init();
234 sama5d3xek_lcd_hw_init();
241 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
242 CONFIG_SYS_SDRAM_SIZE);
246 #ifdef CONFIG_BOARD_LATE_INIT
247 int board_late_init(void)
249 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
250 const int MAX_STR_LEN = 32;
251 char name[MAX_STR_LEN], *p;
254 strncpy(name, get_cpu_name(), MAX_STR_LEN);
255 for (i = 0, p = name; (*p) && (i < MAX_STR_LEN); p++, i++)
258 strcat(name, "ek.dtb");
259 setenv("dtb_name", name);
266 #ifdef CONFIG_SPL_BUILD
267 void spl_board_init(void)
269 #if CONFIG_SYS_USE_NANDFLASH
270 sama5d3xek_nand_hw_init();
274 static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
276 ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
278 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
279 ATMEL_MPDDRC_CR_NR_ROW_14 |
280 ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
281 ATMEL_MPDDRC_CR_ENRDM_ON |
282 ATMEL_MPDDRC_CR_NB_8BANKS |
283 ATMEL_MPDDRC_CR_NDQS_DISABLED |
284 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
285 ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
287 * As the DDR2-SDRAm device requires a refresh time is 7.8125us
288 * when DDR run at 133MHz, so it needs (7.8125us * 133MHz / 10^9) clocks
292 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
293 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
294 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
295 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
296 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
297 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
298 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
299 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
301 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
302 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
303 28 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
304 26 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
306 ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
307 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
308 2 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
309 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
310 8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
315 struct atmel_mpddrc_config ddr2;
319 /* Enable MPDDR clock */
320 at91_periph_clk_enable(ATMEL_ID_MPDDRC);
321 at91_system_clk_enable(AT91_PMC_DDR);
323 /* DDRAM2 Controller initialize */
324 ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2);
327 void at91_pmc_init(void)
331 tmp = AT91_PMC_PLLAR_29 |
332 AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
333 AT91_PMC_PLLXR_MUL(43) |
334 AT91_PMC_PLLXR_DIV(1);
337 at91_pllicpr_init(AT91_PMC_IPLL_PLLA(0x3));
339 tmp = AT91_PMC_MCKR_MDIV_4 |
340 AT91_PMC_MCKR_CSS_PLLA;