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1 | /* |
2 | * Copyright (C) 2012 - 2013 Atmel Corporation | |
3 | * Bo Shen <voice.shen@atmel.com> | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <mmc.h> | |
26 | #include <asm/io.h> | |
27 | #include <asm/arch/sama5d3_smc.h> | |
28 | #include <asm/arch/at91_common.h> | |
29 | #include <asm/arch/at91_pmc.h> | |
30 | #include <asm/arch/at91_rstc.h> | |
31 | #include <asm/arch/gpio.h> | |
32 | #include <asm/arch/clk.h> | |
33 | #include <lcd.h> | |
34 | #include <atmel_lcdc.h> | |
35 | #include <atmel_mci.h> | |
36 | #include <net.h> | |
37 | #include <netdev.h> | |
38 | ||
39 | DECLARE_GLOBAL_DATA_PTR; | |
40 | ||
41 | /* ------------------------------------------------------------------------- */ | |
42 | /* | |
43 | * Miscelaneous platform dependent initialisations | |
44 | */ | |
45 | ||
46 | #ifdef CONFIG_NAND_ATMEL | |
47 | void sama5d3xek_nand_hw_init(void) | |
48 | { | |
49 | struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; | |
50 | ||
51 | at91_periph_clk_enable(ATMEL_ID_SMC); | |
52 | ||
53 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
54 | writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) | | |
55 | AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1), | |
56 | &smc->cs[3].setup); | |
57 | writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) | | |
58 | AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5), | |
59 | &smc->cs[3].pulse); | |
60 | writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), | |
61 | &smc->cs[3].cycle); | |
62 | writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) | | |
63 | AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) | | |
64 | AT91_SMC_TIMINGS_TWB(5) | AT91_SMC_TIMINGS_RBNSEL(3)| | |
65 | AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings); | |
66 | writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | | |
67 | AT91_SMC_MODE_EXNW_DISABLE | | |
68 | #ifdef CONFIG_SYS_NAND_DBW_16 | |
69 | AT91_SMC_MODE_DBW_16 | | |
70 | #else /* CONFIG_SYS_NAND_DBW_8 */ | |
71 | AT91_SMC_MODE_DBW_8 | | |
72 | #endif | |
73 | AT91_SMC_MODE_TDF_CYCLE(3), | |
74 | &smc->cs[3].mode); | |
75 | } | |
76 | #endif | |
77 | ||
78 | #ifdef CONFIG_CMD_USB | |
79 | static void sama5d3xek_usb_hw_init(void) | |
80 | { | |
81 | at91_set_pio_output(AT91_PIO_PORTD, 25, 0); | |
82 | at91_set_pio_output(AT91_PIO_PORTD, 26, 0); | |
83 | at91_set_pio_output(AT91_PIO_PORTD, 27, 0); | |
84 | } | |
85 | #endif | |
86 | ||
87 | #ifdef CONFIG_GENERIC_ATMEL_MCI | |
88 | static void sama5d3xek_mci_hw_init(void) | |
89 | { | |
90 | at91_mci_hw_init(); | |
91 | ||
92 | at91_set_pio_output(AT91_PIO_PORTB, 10, 0); /* MCI0 Power */ | |
93 | } | |
94 | #endif | |
95 | ||
96 | #ifdef CONFIG_LCD | |
97 | vidinfo_t panel_info = { | |
98 | .vl_col = 800, | |
99 | .vl_row = 480, | |
100 | .vl_clk = 24000000, | |
101 | .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL, | |
102 | .vl_bpix = LCD_BPP, | |
103 | .vl_tft = 1, | |
104 | .vl_hsync_len = 128, | |
105 | .vl_left_margin = 64, | |
106 | .vl_right_margin = 64, | |
107 | .vl_vsync_len = 2, | |
108 | .vl_upper_margin = 22, | |
109 | .vl_lower_margin = 21, | |
110 | .mmio = ATMEL_BASE_LCDC, | |
111 | }; | |
112 | ||
113 | void lcd_enable(void) | |
114 | { | |
115 | } | |
116 | ||
117 | void lcd_disable(void) | |
118 | { | |
119 | } | |
120 | ||
121 | static void sama5d3xek_lcd_hw_init(void) | |
122 | { | |
123 | gd->fb_base = CONFIG_SAMA5D3_LCD_BASE; | |
124 | ||
125 | /* The higher 8 bit of LCD is board related */ | |
126 | at91_set_c_periph(AT91_PIO_PORTC, 14, 0); /* LCDD16 */ | |
127 | at91_set_c_periph(AT91_PIO_PORTC, 13, 0); /* LCDD17 */ | |
128 | at91_set_c_periph(AT91_PIO_PORTC, 12, 0); /* LCDD18 */ | |
129 | at91_set_c_periph(AT91_PIO_PORTC, 11, 0); /* LCDD19 */ | |
130 | at91_set_c_periph(AT91_PIO_PORTC, 10, 0); /* LCDD20 */ | |
131 | at91_set_c_periph(AT91_PIO_PORTC, 15, 0); /* LCDD21 */ | |
132 | at91_set_c_periph(AT91_PIO_PORTE, 27, 0); /* LCDD22 */ | |
133 | at91_set_c_periph(AT91_PIO_PORTE, 28, 0); /* LCDD23 */ | |
134 | ||
135 | /* Configure lower 16 bit of LCD and enable clock */ | |
136 | at91_lcd_hw_init(); | |
137 | } | |
138 | ||
139 | #ifdef CONFIG_LCD_INFO | |
140 | #include <nand.h> | |
141 | #include <version.h> | |
142 | ||
143 | void lcd_show_board_info(void) | |
144 | { | |
145 | ulong dram_size, nand_size; | |
146 | int i; | |
147 | char temp[32]; | |
148 | ||
149 | lcd_printf("%s\n", U_BOOT_VERSION); | |
150 | lcd_printf("(C) 2013 ATMEL Corp\n"); | |
151 | lcd_printf("at91@atmel.com\n"); | |
152 | lcd_printf("%s CPU at %s MHz\n", get_cpu_name(), | |
153 | strmhz(temp, get_cpu_clk_rate())); | |
154 | ||
155 | dram_size = 0; | |
156 | for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) | |
157 | dram_size += gd->bd->bi_dram[i].size; | |
158 | ||
159 | nand_size = 0; | |
160 | #ifdef CONFIG_NAND_ATMEL | |
161 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) | |
162 | nand_size += nand_info[i].size; | |
163 | #endif | |
164 | lcd_printf("%ld MB SDRAM, %ld MB NAND\n", | |
165 | dram_size >> 20, nand_size >> 20); | |
166 | } | |
167 | #endif /* CONFIG_LCD_INFO */ | |
168 | #endif /* CONFIG_LCD */ | |
169 | ||
170 | int board_early_init_f(void) | |
171 | { | |
172 | at91_seriald_hw_init(); | |
173 | ||
174 | return 0; | |
175 | } | |
176 | ||
177 | int board_init(void) | |
178 | { | |
179 | /* adress of boot parameters */ | |
180 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; | |
181 | ||
182 | #ifdef CONFIG_NAND_ATMEL | |
183 | sama5d3xek_nand_hw_init(); | |
184 | #endif | |
185 | #ifdef CONFIG_CMD_USB | |
186 | sama5d3xek_usb_hw_init(); | |
187 | #endif | |
188 | #ifdef CONFIG_GENERIC_ATMEL_MCI | |
189 | sama5d3xek_mci_hw_init(); | |
190 | #endif | |
191 | #ifdef CONFIG_ATMEL_SPI | |
192 | at91_spi0_hw_init(1 << 0); | |
193 | #endif | |
194 | #ifdef CONFIG_MACB | |
195 | if (has_emac()) | |
196 | at91_macb_hw_init(); | |
197 | #endif | |
198 | #ifdef CONFIG_LCD | |
199 | if (has_lcdc()) | |
200 | sama5d3xek_lcd_hw_init(); | |
201 | #endif | |
202 | return 0; | |
203 | } | |
204 | ||
205 | int dram_init(void) | |
206 | { | |
207 | gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, | |
208 | CONFIG_SYS_SDRAM_SIZE); | |
209 | return 0; | |
210 | } | |
211 | ||
212 | int board_eth_init(bd_t *bis) | |
213 | { | |
214 | int rc = 0; | |
215 | ||
216 | #ifdef CONFIG_MACB | |
217 | if (has_emac()) | |
218 | rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); | |
219 | #endif | |
220 | ||
221 | return rc; | |
222 | } | |
223 | ||
224 | #ifdef CONFIG_GENERIC_ATMEL_MCI | |
225 | int board_mmc_init(bd_t *bis) | |
226 | { | |
227 | int rc = 0; | |
228 | ||
229 | rc = atmel_mci_init((void *)ATMEL_BASE_MCI0); | |
230 | ||
231 | return rc; | |
232 | } | |
233 | #endif | |
234 | ||
235 | /* SPI chip select control */ | |
236 | #ifdef CONFIG_ATMEL_SPI | |
237 | #include <spi.h> | |
238 | ||
239 | int spi_cs_is_valid(unsigned int bus, unsigned int cs) | |
240 | { | |
241 | return bus == 0 && cs < 4; | |
242 | } | |
243 | ||
244 | void spi_cs_activate(struct spi_slave *slave) | |
245 | { | |
246 | switch (slave->cs) { | |
247 | case 0: | |
248 | at91_set_pio_output(AT91_PIO_PORTD, 13, 0); | |
249 | case 1: | |
250 | at91_set_pio_output(AT91_PIO_PORTD, 14, 0); | |
251 | case 2: | |
252 | at91_set_pio_output(AT91_PIO_PORTD, 15, 0); | |
253 | case 3: | |
254 | at91_set_pio_output(AT91_PIO_PORTD, 16, 0); | |
255 | default: | |
256 | break; | |
257 | } | |
258 | } | |
259 | ||
260 | void spi_cs_deactivate(struct spi_slave *slave) | |
261 | { | |
262 | switch (slave->cs) { | |
263 | case 0: | |
264 | at91_set_pio_output(AT91_PIO_PORTD, 13, 1); | |
265 | case 1: | |
266 | at91_set_pio_output(AT91_PIO_PORTD, 14, 1); | |
267 | case 2: | |
268 | at91_set_pio_output(AT91_PIO_PORTD, 15, 1); | |
269 | case 3: | |
270 | at91_set_pio_output(AT91_PIO_PORTD, 16, 1); | |
271 | default: | |
272 | break; | |
273 | } | |
274 | } | |
275 | #endif /* CONFIG_ATMEL_SPI */ |