2 * Copyright (C) 2014 Atmel
3 * Bo Shen <voice.shen@atmel.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/at91_common.h>
11 #include <asm/arch/at91_rstc.h>
12 #include <asm/arch/atmel_mpddrc.h>
13 #include <asm/arch/atmel_usba_udc.h>
14 #include <asm/arch/gpio.h>
15 #include <asm/arch/clk.h>
16 #include <asm/arch/sama5d3_smc.h>
17 #include <asm/arch/sama5d4.h>
18 #include <atmel_hlcdc.h>
19 #include <atmel_mci.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 #ifdef CONFIG_ATMEL_SPI
32 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
34 return bus == 0 && cs == 0;
38 void spi_cs_activate(struct spi_slave *slave)
40 at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
43 void spi_cs_deactivate(struct spi_slave *slave)
45 at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
48 static void sama5d4ek_spi0_hw_init(void)
50 at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
51 at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
52 at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
54 at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
57 at91_periph_clk_enable(ATMEL_ID_SPI0);
59 #endif /* CONFIG_ATMEL_SPI */
61 #ifdef CONFIG_NAND_ATMEL
62 static void sama5d4ek_nand_hw_init(void)
64 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
66 at91_periph_clk_enable(ATMEL_ID_SMC);
68 /* Configure SMC CS3 for NAND */
69 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
70 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
72 writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(3) |
73 AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3),
75 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
77 writel(AT91_SMC_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) |
78 AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) |
79 AT91_SMC_TIMINGS_TWB(7) | AT91_SMC_TIMINGS_RBNSEL(3)|
80 AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
81 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
82 AT91_SMC_MODE_EXNW_DISABLE |
84 AT91_SMC_MODE_TDF_CYCLE(3),
87 at91_pio3_set_a_periph(AT91_PIO_PORTC, 5, 0); /* D0 */
88 at91_pio3_set_a_periph(AT91_PIO_PORTC, 6, 0); /* D1 */
89 at91_pio3_set_a_periph(AT91_PIO_PORTC, 7, 0); /* D2 */
90 at91_pio3_set_a_periph(AT91_PIO_PORTC, 8, 0); /* D3 */
91 at91_pio3_set_a_periph(AT91_PIO_PORTC, 9, 0); /* D4 */
92 at91_pio3_set_a_periph(AT91_PIO_PORTC, 10, 0); /* D5 */
93 at91_pio3_set_a_periph(AT91_PIO_PORTC, 11, 0); /* D6 */
94 at91_pio3_set_a_periph(AT91_PIO_PORTC, 12, 0); /* D7 */
95 at91_pio3_set_a_periph(AT91_PIO_PORTC, 13, 0); /* RE */
96 at91_pio3_set_a_periph(AT91_PIO_PORTC, 14, 0); /* WE */
97 at91_pio3_set_a_periph(AT91_PIO_PORTC, 15, 1); /* NCS */
98 at91_pio3_set_a_periph(AT91_PIO_PORTC, 16, 1); /* RDY */
99 at91_pio3_set_a_periph(AT91_PIO_PORTC, 17, 1); /* ALE */
100 at91_pio3_set_a_periph(AT91_PIO_PORTC, 18, 1); /* CLE */
104 #ifdef CONFIG_CMD_USB
105 static void sama5d4ek_usb_hw_init(void)
107 at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
108 at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
109 at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
114 vidinfo_t panel_info = {
121 .vl_left_margin = 128,
122 .vl_right_margin = 0,
124 .vl_upper_margin = 23,
125 .vl_lower_margin = 22,
126 .mmio = ATMEL_BASE_LCDC,
129 /* No power up/down pin for the LCD pannel */
130 void lcd_enable(void) { /* Empty! */ }
131 void lcd_disable(void) { /* Empty! */ }
133 unsigned int has_lcdc(void)
138 static void sama5d4ek_lcd_hw_init(void)
140 at91_pio3_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */
141 at91_pio3_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */
142 at91_pio3_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */
143 at91_pio3_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */
144 at91_pio3_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */
145 at91_pio3_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */
147 at91_pio3_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */
148 at91_pio3_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */
149 at91_pio3_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */
150 at91_pio3_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */
151 at91_pio3_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */
152 at91_pio3_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */
154 at91_pio3_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */
155 at91_pio3_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */
156 at91_pio3_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */
157 at91_pio3_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */
158 at91_pio3_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */
159 at91_pio3_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */
161 at91_pio3_set_a_periph(AT91_PIO_PORTA, 18, 0); /* LCDD18 */
162 at91_pio3_set_a_periph(AT91_PIO_PORTA, 19, 0); /* LCDD19 */
163 at91_pio3_set_a_periph(AT91_PIO_PORTA, 20, 0); /* LCDD20 */
164 at91_pio3_set_a_periph(AT91_PIO_PORTA, 21, 0); /* LCDD21 */
165 at91_pio3_set_a_periph(AT91_PIO_PORTA, 22, 0); /* LCDD22 */
166 at91_pio3_set_a_periph(AT91_PIO_PORTA, 23, 0); /* LCDD23 */
169 at91_periph_clk_enable(ATMEL_ID_LCDC);
172 #ifdef CONFIG_LCD_INFO
173 void lcd_show_board_info(void)
175 ulong dram_size, nand_size;
179 lcd_printf("%s\n", U_BOOT_VERSION);
180 lcd_printf("2014 ATMEL Corp\n");
181 lcd_printf("at91@atmel.com\n");
182 lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
183 strmhz(temp, get_cpu_clk_rate()));
186 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
187 dram_size += gd->bd->bi_dram[i].size;
190 #ifdef CONFIG_NAND_ATMEL
191 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
192 nand_size += nand_info[i]->size;
194 lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
195 dram_size >> 20, nand_size >> 20);
197 #endif /* CONFIG_LCD_INFO */
199 #endif /* CONFIG_LCD */
201 #ifdef CONFIG_GENERIC_ATMEL_MCI
202 void sama5d4ek_mci1_hw_init(void)
204 at91_pio3_set_c_periph(AT91_PIO_PORTE, 19, 1); /* MCI1 CDA */
205 at91_pio3_set_c_periph(AT91_PIO_PORTE, 20, 1); /* MCI1 DA0 */
206 at91_pio3_set_c_periph(AT91_PIO_PORTE, 21, 1); /* MCI1 DA1 */
207 at91_pio3_set_c_periph(AT91_PIO_PORTE, 22, 1); /* MCI1 DA2 */
208 at91_pio3_set_c_periph(AT91_PIO_PORTE, 23, 1); /* MCI1 DA3 */
209 at91_pio3_set_c_periph(AT91_PIO_PORTE, 18, 0); /* MCI1 CLK */
212 * As the mci io internal pull down is too strong, so if the io needs
213 * external pull up, the pull up resistor will be very small, if so
214 * the power consumption will increase, so disable the interanl pull
215 * down to save the power.
217 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 18, 0);
218 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 19, 0);
219 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 20, 0);
220 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 21, 0);
221 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 22, 0);
222 at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 23, 0);
225 at91_periph_clk_enable(ATMEL_ID_MCI1);
228 int board_mmc_init(bd_t *bis)
230 /* Enable power for MCI1 interface */
231 at91_set_pio_output(AT91_PIO_PORTE, 15, 0);
233 return atmel_mci_init((void *)ATMEL_BASE_MCI1);
235 #endif /* CONFIG_GENERIC_ATMEL_MCI */
238 void sama5d4ek_macb0_hw_init(void)
240 at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
241 at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
242 at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
243 at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
244 at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
245 at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
246 at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
247 at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
248 at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
249 at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
252 at91_periph_clk_enable(ATMEL_ID_GMAC0);
256 static void sama5d4ek_serial3_hw_init(void)
258 at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
259 at91_pio3_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
262 at91_periph_clk_enable(ATMEL_ID_USART3);
265 int board_early_init_f(void)
267 at91_periph_clk_enable(ATMEL_ID_PIOA);
268 at91_periph_clk_enable(ATMEL_ID_PIOB);
269 at91_periph_clk_enable(ATMEL_ID_PIOC);
270 at91_periph_clk_enable(ATMEL_ID_PIOD);
271 at91_periph_clk_enable(ATMEL_ID_PIOE);
273 sama5d4ek_serial3_hw_init();
280 /* adress of boot parameters */
281 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
283 #ifdef CONFIG_ATMEL_SPI
284 sama5d4ek_spi0_hw_init();
286 #ifdef CONFIG_NAND_ATMEL
287 sama5d4ek_nand_hw_init();
289 #ifdef CONFIG_GENERIC_ATMEL_MCI
290 sama5d4ek_mci1_hw_init();
293 sama5d4ek_macb0_hw_init();
296 sama5d4ek_lcd_hw_init();
298 #ifdef CONFIG_CMD_USB
299 sama5d4ek_usb_hw_init();
301 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
310 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
311 CONFIG_SYS_SDRAM_SIZE);
315 int board_eth_init(bd_t *bis)
320 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
323 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
324 usba_udc_probe(&pdata);
325 #ifdef CONFIG_USB_ETH_RNDIS
326 usb_eth_initialize(bis);
334 #ifdef CONFIG_SPL_BUILD
335 void spl_board_init(void)
337 #ifdef CONFIG_SYS_USE_MMC
338 sama5d4ek_mci1_hw_init();
339 #elif CONFIG_SYS_USE_NANDFLASH
340 sama5d4ek_nand_hw_init();
341 #elif CONFIG_SYS_USE_SERIALFLASH
342 sama5d4ek_spi0_hw_init();
346 static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
348 ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
350 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
351 ATMEL_MPDDRC_CR_NR_ROW_14 |
352 ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
353 ATMEL_MPDDRC_CR_NB_8BANKS |
354 ATMEL_MPDDRC_CR_NDQS_DISABLED |
355 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
356 ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
360 ddr2->tpr0 = (8 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
361 3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
362 3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
363 10 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
364 3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
365 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
366 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
367 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
369 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
370 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
371 25 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
372 23 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
374 ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
375 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
376 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
377 2 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
378 8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
383 struct atmel_mpddrc_config ddr2;
387 /* Enable MPDDR clock */
388 at91_periph_clk_enable(ATMEL_ID_MPDDRC);
389 at91_system_clk_enable(AT91_PMC_DDR);
391 /* DDRAM2 Controller initialize */
392 ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2);
395 void at91_pmc_init(void)
399 tmp = AT91_PMC_PLLAR_29 |
400 AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
401 AT91_PMC_PLLXR_MUL(87) |
402 AT91_PMC_PLLXR_DIV(1);
405 at91_pllicpr_init(AT91_PMC_IPLL_PLLA(0x0));
407 tmp = AT91_PMC_MCKR_H32MXDIV |
408 AT91_PMC_MCKR_PLLADIV_2 |
409 AT91_PMC_MCKR_MDIV_3 |
410 AT91_PMC_MCKR_CSS_PLLA;