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[people/ms/u-boot.git] / board / atmel / at91sam9x5ek / at91sam9x5ek.c
1 /*
2 * Copyright (C) 2012 Atmel Corporation
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7 #include <common.h>
8 #include <asm/io.h>
9 #include <asm/arch/at91sam9x5_matrix.h>
10 #include <asm/arch/at91sam9_smc.h>
11 #include <asm/arch/at91_common.h>
12 #include <asm/arch/at91_rstc.h>
13 #include <asm/arch/clk.h>
14 #include <asm/arch/gpio.h>
15 #include <lcd.h>
16 #include <atmel_hlcdc.h>
17 #include <atmel_mci.h>
18 #ifdef CONFIG_MACB
19 #include <net.h>
20 #endif
21 #include <netdev.h>
22 #ifdef CONFIG_LCD_INFO
23 #include <nand.h>
24 #include <version.h>
25 #endif
26 #ifdef CONFIG_ATMEL_SPI
27 #include <spi.h>
28 #endif
29
30 DECLARE_GLOBAL_DATA_PTR;
31
32 /* ------------------------------------------------------------------------- */
33 /*
34 * Miscelaneous platform dependent initialisations
35 */
36 #ifdef CONFIG_CMD_NAND
37 static void at91sam9x5ek_nand_hw_init(void)
38 {
39 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
40 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
41 unsigned long csa;
42
43 /* Enable CS3 */
44 csa = readl(&matrix->ebicsa);
45 csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
46 /* NAND flash on D16 */
47 csa |= AT91_MATRIX_NFD0_ON_D16;
48
49 /* Configure IO drive */
50 csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
51
52 writel(csa, &matrix->ebicsa);
53
54 /* Configure SMC CS3 for NAND/SmartMedia */
55 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
56 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
57 &smc->cs[3].setup);
58 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
59 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(6),
60 &smc->cs[3].pulse);
61 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(6),
62 &smc->cs[3].cycle);
63 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
64 AT91_SMC_MODE_EXNW_DISABLE |
65 #ifdef CONFIG_SYS_NAND_DBW_16
66 AT91_SMC_MODE_DBW_16 |
67 #else /* CONFIG_SYS_NAND_DBW_8 */
68 AT91_SMC_MODE_DBW_8 |
69 #endif
70 AT91_SMC_MODE_TDF_CYCLE(1),
71 &smc->cs[3].mode);
72
73 at91_periph_clk_enable(ATMEL_ID_PIOCD);
74
75 /* Configure RDY/BSY */
76 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
77 /* Enable NandFlash */
78 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
79
80 at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */
81 at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */
82 at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 1); /* NAND ALE */
83 at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 1); /* NAND CLE */
84 at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 1);
85 at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 1);
86 at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 1);
87 at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 1);
88 at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 1);
89 at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 1);
90 at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 1);
91 at91_pio3_set_a_periph(AT91_PIO_PORTD, 13, 1);
92 }
93 #endif
94
95 int board_eth_init(bd_t *bis)
96 {
97 int rc = 0;
98
99 #ifdef CONFIG_MACB
100 if (has_emac0())
101 rc = macb_eth_initialize(0,
102 (void *)ATMEL_BASE_EMAC0, 0x00);
103 if (has_emac1())
104 rc = macb_eth_initialize(1,
105 (void *)ATMEL_BASE_EMAC1, 0x00);
106 #endif
107 return rc;
108 }
109
110 #ifdef CONFIG_LCD
111 vidinfo_t panel_info = {
112 .vl_col = 800,
113 .vl_row = 480,
114 .vl_clk = 24000000,
115 .vl_sync = LCDC_LCDCFG5_HSPOL | LCDC_LCDCFG5_VSPOL,
116 .vl_bpix = LCD_BPP,
117 .vl_tft = 1,
118 .vl_clk_pol = 1,
119 .vl_hsync_len = 128,
120 .vl_left_margin = 64,
121 .vl_right_margin = 64,
122 .vl_vsync_len = 2,
123 .vl_upper_margin = 22,
124 .vl_lower_margin = 21,
125 .mmio = ATMEL_BASE_LCDC,
126 };
127
128 void lcd_enable(void)
129 {
130 if (has_lcdc())
131 at91_pio3_set_a_periph(AT91_PIO_PORTC, 29, 1); /* power up */
132 }
133
134 void lcd_disable(void)
135 {
136 if (has_lcdc())
137 at91_pio3_set_a_periph(AT91_PIO_PORTC, 29, 0); /* power down */
138 }
139
140 static void at91sam9x5ek_lcd_hw_init(void)
141 {
142 if (has_lcdc()) {
143 at91_pio3_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDPWM */
144 at91_pio3_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDVSYNC */
145 at91_pio3_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDHSYNC */
146 at91_pio3_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDISP */
147 at91_pio3_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */
148 at91_pio3_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDPCK */
149
150 at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */
151 at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */
152 at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */
153 at91_pio3_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */
154 at91_pio3_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */
155 at91_pio3_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */
156 at91_pio3_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */
157 at91_pio3_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */
158 at91_pio3_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */
159 at91_pio3_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */
160 at91_pio3_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */
161 at91_pio3_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */
162 at91_pio3_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */
163 at91_pio3_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */
164 at91_pio3_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */
165 at91_pio3_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */
166 at91_pio3_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */
167 at91_pio3_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */
168 at91_pio3_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */
169 at91_pio3_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */
170 at91_pio3_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */
171 at91_pio3_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */
172 at91_pio3_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */
173 at91_pio3_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */
174
175 at91_periph_clk_enable(ATMEL_ID_LCDC);
176 }
177 }
178
179 #ifdef CONFIG_LCD_INFO
180 void lcd_show_board_info(void)
181 {
182 ulong dram_size, nand_size;
183 int i;
184 char temp[32];
185
186 if (has_lcdc()) {
187 lcd_printf("%s\n", U_BOOT_VERSION);
188 lcd_printf("(C) 2012 ATMEL Corp\n");
189 lcd_printf("at91support@atmel.com\n");
190 lcd_printf("%s CPU at %s MHz\n",
191 get_cpu_name(),
192 strmhz(temp, get_cpu_clk_rate()));
193
194 dram_size = 0;
195 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
196 dram_size += gd->bd->bi_dram[i].size;
197 nand_size = 0;
198 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
199 nand_size += nand_info[i]->size;
200 lcd_printf(" %ld MB SDRAM, %ld MB NAND\n",
201 dram_size >> 20,
202 nand_size >> 20);
203 }
204 }
205 #endif /* CONFIG_LCD_INFO */
206 #endif /* CONFIG_LCD */
207
208 /* SPI chip select control */
209 #ifdef CONFIG_ATMEL_SPI
210 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
211 {
212 return bus == 0 && cs < 2;
213 }
214
215 void spi_cs_activate(struct spi_slave *slave)
216 {
217 switch (slave->cs) {
218 case 1:
219 at91_set_pio_output(AT91_PIO_PORTA, 7, 0);
220 break;
221 case 0:
222 default:
223 at91_set_pio_output(AT91_PIO_PORTA, 14, 0);
224 break;
225 }
226 }
227
228 void spi_cs_deactivate(struct spi_slave *slave)
229 {
230 switch (slave->cs) {
231 case 1:
232 at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
233 break;
234 case 0:
235 default:
236 at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
237 break;
238 }
239 }
240 #endif /* CONFIG_ATMEL_SPI */
241
242 #ifdef CONFIG_GENERIC_ATMEL_MCI
243 int board_mmc_init(bd_t *bd)
244 {
245 at91_mci_hw_init();
246
247 return atmel_mci_init((void *)ATMEL_BASE_HSMCI0);
248 }
249 #endif
250
251 int board_early_init_f(void)
252 {
253 at91_seriald_hw_init();
254 return 0;
255 }
256
257 int board_init(void)
258 {
259 /* arch number of AT91SAM9X5EK-Board */
260 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9X5EK;
261
262 /* adress of boot parameters */
263 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
264
265 #ifdef CONFIG_CMD_NAND
266 at91sam9x5ek_nand_hw_init();
267 #endif
268
269 #ifdef CONFIG_ATMEL_SPI
270 at91_spi0_hw_init(1 << 4);
271 #endif
272
273 #ifdef CONFIG_MACB
274 at91_macb_hw_init();
275 #endif
276
277 #if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI)
278 at91_uhp_hw_init();
279 #endif
280 #ifdef CONFIG_LCD
281 at91sam9x5ek_lcd_hw_init();
282 #endif
283 return 0;
284 }
285
286 int dram_init(void)
287 {
288 gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
289 CONFIG_SYS_SDRAM_SIZE);
290 return 0;
291 }
292
293 #if defined(CONFIG_SPL_BUILD)
294 #include <spl.h>
295 #include <nand.h>
296
297 void at91_spl_board_init(void)
298 {
299 #ifdef CONFIG_SYS_USE_MMC
300 at91_mci_hw_init();
301 #elif CONFIG_SYS_USE_NANDFLASH
302 at91sam9x5ek_nand_hw_init();
303 #elif CONFIG_SYS_USE_SPIFLASH
304 at91_spi0_hw_init(1 << 4);
305 #endif
306 }
307
308 #include <asm/arch/atmel_mpddrc.h>
309 static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
310 {
311 ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
312
313 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
314 ATMEL_MPDDRC_CR_NR_ROW_13 |
315 ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
316 ATMEL_MPDDRC_CR_NB_8BANKS |
317 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED);
318
319 ddr2->rtr = 0x411;
320
321 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
322 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
323 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
324 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
325 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
326 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
327 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
328 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
329
330 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
331 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
332 19 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
333 18 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
334
335 ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
336 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
337 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
338 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
339 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
340 }
341
342 void mem_init(void)
343 {
344 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
345 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
346 struct atmel_mpddrc_config ddr2;
347 unsigned long csa;
348
349 ddr2_conf(&ddr2);
350
351 /* enable DDR2 clock */
352 writel(AT91_PMC_DDR, &pmc->scer);
353
354 /* Chip select 1 is for DDR2/SDRAM */
355 csa = readl(&matrix->ebicsa);
356 csa |= AT91_MATRIX_EBI_CS1A_SDRAMC;
357 csa &= ~AT91_MATRIX_EBI_DBPU_OFF;
358 csa |= AT91_MATRIX_EBI_DBPD_OFF;
359 csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
360 writel(csa, &matrix->ebicsa);
361
362 /* DDRAM2 Controller initialize */
363 ddr2_init(ATMEL_BASE_DDRSDRC, ATMEL_BASE_CS1, &ddr2);
364 }
365 #endif