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1 | /* |
2 | * Copyright (C) 2012 Atmel Corporation | |
3 | * | |
1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
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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> | |
f7fa2f37 | 12 | #include <asm/arch/at91_rstc.h> |
f7fa2f37 | 13 | #include <asm/arch/clk.h> |
70341e2e | 14 | #include <asm/arch/gpio.h> |
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15 | #include <lcd.h> |
16 | #include <atmel_hlcdc.h> | |
3a49cd7e | 17 | #include <atmel_mci.h> |
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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; | |
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41 | unsigned long csa; |
42 | ||
43 | /* Enable CS3 */ | |
44 | csa = readl(&matrix->ebicsa); | |
45 | csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA; | |
4ed9c886 BS |
46 | /* NAND flash on D16 */ |
47 | csa |= AT91_MATRIX_NFD0_ON_D16; | |
1c5794a1 WJ |
48 | |
49 | /* Configure IO drive */ | |
50 | csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL; | |
51 | ||
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52 | writel(csa, &matrix->ebicsa); |
53 | ||
54 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
2ab4c746 WJ |
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), | |
f7fa2f37 | 57 | &smc->cs[3].setup); |
2ab4c746 WJ |
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), | |
f7fa2f37 | 60 | &smc->cs[3].pulse); |
2ab4c746 | 61 | writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(6), |
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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 | |
2ab4c746 | 70 | AT91_SMC_MODE_TDF_CYCLE(1), |
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71 | &smc->cs[3].mode); |
72 | ||
70341e2e | 73 | at91_periph_clk_enable(ATMEL_ID_PIOCD); |
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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_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */ | |
81 | at91_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */ | |
82 | at91_set_a_periph(AT91_PIO_PORTD, 2, 1); /* NAND ALE */ | |
83 | at91_set_a_periph(AT91_PIO_PORTD, 3, 1); /* NAND CLE */ | |
84 | at91_set_a_periph(AT91_PIO_PORTD, 6, 1); | |
85 | at91_set_a_periph(AT91_PIO_PORTD, 7, 1); | |
86 | at91_set_a_periph(AT91_PIO_PORTD, 8, 1); | |
87 | at91_set_a_periph(AT91_PIO_PORTD, 9, 1); | |
88 | at91_set_a_periph(AT91_PIO_PORTD, 10, 1); | |
89 | at91_set_a_periph(AT91_PIO_PORTD, 11, 1); | |
90 | at91_set_a_periph(AT91_PIO_PORTD, 12, 1); | |
91 | at91_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_set_a_periph(AT91_PIO_PORTC, 29, 1); /* power up */ | |
132 | } | |
133 | ||
134 | void lcd_disable(void) | |
135 | { | |
136 | if (has_lcdc()) | |
137 | at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* power down */ | |
138 | } | |
139 | ||
140 | static void at91sam9x5ek_lcd_hw_init(void) | |
141 | { | |
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142 | if (has_lcdc()) { |
143 | at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDPWM */ | |
144 | at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDVSYNC */ | |
145 | at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDHSYNC */ | |
146 | at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDISP */ | |
147 | at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */ | |
148 | at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDPCK */ | |
149 | ||
150 | at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */ | |
151 | at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */ | |
152 | at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */ | |
153 | at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */ | |
154 | at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */ | |
155 | at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */ | |
156 | at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */ | |
157 | at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */ | |
158 | at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */ | |
159 | at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */ | |
160 | at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */ | |
161 | at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */ | |
162 | at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */ | |
163 | at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */ | |
164 | at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */ | |
165 | at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */ | |
166 | at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */ | |
167 | at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */ | |
168 | at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */ | |
169 | at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */ | |
170 | at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */ | |
171 | at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */ | |
172 | at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */ | |
173 | at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */ | |
174 | ||
70341e2e | 175 | at91_periph_clk_enable(ATMEL_ID_LCDC); |
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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++) | |
b616d9b0 | 199 | nand_size += nand_info[i]->size; |
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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 | ||
3a49cd7e WJ |
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 | ||
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251 | int board_early_init_f(void) |
252 | { | |
253 | at91_seriald_hw_init(); | |
254 | return 0; | |
255 | } | |
256 | ||
257 | int board_init(void) | |
258 | { | |
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259 | /* adress of boot parameters */ |
260 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; | |
261 | ||
262 | #ifdef CONFIG_CMD_NAND | |
263 | at91sam9x5ek_nand_hw_init(); | |
264 | #endif | |
265 | ||
266 | #ifdef CONFIG_ATMEL_SPI | |
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267 | at91_spi0_hw_init(1 << 4); |
268 | #endif | |
269 | ||
270 | #ifdef CONFIG_MACB | |
271 | at91_macb_hw_init(); | |
272 | #endif | |
273 | ||
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274 | #if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI) |
275 | at91_uhp_hw_init(); | |
276 | #endif | |
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277 | #ifdef CONFIG_LCD |
278 | at91sam9x5ek_lcd_hw_init(); | |
279 | #endif | |
280 | return 0; | |
281 | } | |
282 | ||
283 | int dram_init(void) | |
284 | { | |
285 | gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE, | |
286 | CONFIG_SYS_SDRAM_SIZE); | |
287 | return 0; | |
288 | } | |
d85e8914 BS |
289 | |
290 | #if defined(CONFIG_SPL_BUILD) | |
291 | #include <spl.h> | |
292 | #include <nand.h> | |
293 | ||
294 | void at91_spl_board_init(void) | |
295 | { | |
296 | #ifdef CONFIG_SYS_USE_MMC | |
297 | at91_mci_hw_init(); | |
298 | #elif CONFIG_SYS_USE_NANDFLASH | |
299 | at91sam9x5ek_nand_hw_init(); | |
300 | #elif CONFIG_SYS_USE_SPIFLASH | |
301 | at91_spi0_hw_init(1 << 4); | |
302 | #endif | |
303 | } | |
304 | ||
305 | #include <asm/arch/atmel_mpddrc.h> | |
7e8702a0 | 306 | static void ddr2_conf(struct atmel_mpddrc_config *ddr2) |
d85e8914 BS |
307 | { |
308 | ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); | |
309 | ||
310 | ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | | |
311 | ATMEL_MPDDRC_CR_NR_ROW_13 | | |
312 | ATMEL_MPDDRC_CR_CAS_DDR_CAS3 | | |
313 | ATMEL_MPDDRC_CR_NB_8BANKS | | |
314 | ATMEL_MPDDRC_CR_DECOD_INTERLEAVED); | |
315 | ||
316 | ddr2->rtr = 0x411; | |
317 | ||
318 | ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | | |
319 | 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | | |
320 | 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | | |
321 | 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | | |
322 | 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | | |
323 | 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | | |
324 | 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | | |
325 | 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); | |
326 | ||
327 | ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | | |
328 | 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | | |
329 | 19 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | | |
330 | 18 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); | |
331 | ||
332 | ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET | | |
333 | 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | | |
334 | 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | | |
335 | 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | | |
336 | 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); | |
337 | } | |
338 | ||
339 | void mem_init(void) | |
340 | { | |
341 | struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; | |
342 | struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; | |
7e8702a0 | 343 | struct atmel_mpddrc_config ddr2; |
d85e8914 BS |
344 | unsigned long csa; |
345 | ||
346 | ddr2_conf(&ddr2); | |
347 | ||
348 | /* enable DDR2 clock */ | |
c982f6b9 | 349 | writel(AT91_PMC_DDR, &pmc->scer); |
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350 | |
351 | /* Chip select 1 is for DDR2/SDRAM */ | |
352 | csa = readl(&matrix->ebicsa); | |
353 | csa |= AT91_MATRIX_EBI_CS1A_SDRAMC; | |
354 | csa &= ~AT91_MATRIX_EBI_DBPU_OFF; | |
355 | csa |= AT91_MATRIX_EBI_DBPD_OFF; | |
356 | csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL; | |
357 | writel(csa, &matrix->ebicsa); | |
358 | ||
359 | /* DDRAM2 Controller initialize */ | |
0c01c3e8 | 360 | ddr2_init(ATMEL_BASE_DDRSDRC, ATMEL_BASE_CS1, &ddr2); |
d85e8914 BS |
361 | } |
362 | #endif |