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6afcabf1 SP |
1 | /* |
2 | * (C) Copyright 2007-2008 | |
567fb852 | 3 | * Stelian Pop <stelian.pop@leadtechdesign.com> |
6afcabf1 SP |
4 | * Lead Tech Design <www.leadtechdesign.com> |
5 | * | |
6 | * See file CREDITS for list of people who contributed to this | |
7 | * project. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
22 | * MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include <common.h> | |
983c1db0 SP |
26 | #include <asm/arch/at91cap9.h> |
27 | #include <asm/arch/at91cap9_matrix.h> | |
4f6c8101 | 28 | #include <asm/arch/at91sam9_smc.h> |
1332a2a0 | 29 | #include <asm/arch/at91_common.h> |
983c1db0 SP |
30 | #include <asm/arch/at91_pmc.h> |
31 | #include <asm/arch/at91_rstc.h> | |
dc39ae95 | 32 | #include <asm/arch/clk.h> |
983c1db0 SP |
33 | #include <asm/arch/gpio.h> |
34 | #include <asm/arch/io.h> | |
3ae071e4 | 35 | #include <asm/arch/hardware.h> |
c139b17d SP |
36 | #include <lcd.h> |
37 | #include <atmel_lcdc.h> | |
64d79206 JCPV |
38 | #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) |
39 | #include <net.h> | |
40 | #endif | |
3ae071e4 | 41 | #include <netdev.h> |
6afcabf1 SP |
42 | |
43 | #define MP_BLOCK_3_BASE 0xFDF00000 | |
44 | ||
45 | DECLARE_GLOBAL_DATA_PTR; | |
46 | ||
47 | /* ------------------------------------------------------------------------- */ | |
48 | /* | |
49 | * Miscelaneous platform dependent initialisations | |
50 | */ | |
51 | ||
19883aed SP |
52 | static void at91cap9_slowclock_hw_init(void) |
53 | { | |
54 | /* | |
55 | * On AT91CAP9 revC CPUs, the slow clock can be based on an | |
56 | * internal impreciseRC oscillator or an external 32kHz oscillator. | |
57 | * Switch to the latter. | |
58 | */ | |
59 | #define ARCH_ID_AT91CAP9_REVB 0x399 | |
60 | #define ARCH_ID_AT91CAP9_REVC 0x601 | |
61 | if (at91_sys_read(AT91_PMC_VER) == ARCH_ID_AT91CAP9_REVC) { | |
62 | unsigned i, tmp = at91_sys_read(AT91_SCKCR); | |
63 | if ((tmp & AT91CAP9_SCKCR_OSCSEL) == AT91CAP9_SCKCR_OSCSEL_RC) { | |
19883aed SP |
64 | timer_init(); |
65 | tmp |= AT91CAP9_SCKCR_OSC32EN; | |
66 | at91_sys_write(AT91_SCKCR, tmp); | |
67 | for (i = 0; i < 1200; i++) | |
68 | udelay(1000); | |
69 | tmp |= AT91CAP9_SCKCR_OSCSEL_32; | |
70 | at91_sys_write(AT91_SCKCR, tmp); | |
71 | udelay(200); | |
72 | tmp &= ~AT91CAP9_SCKCR_RCEN; | |
73 | at91_sys_write(AT91_SCKCR, tmp); | |
74 | } | |
75 | } | |
76 | } | |
77 | ||
6afcabf1 SP |
78 | static void at91cap9_nor_hw_init(void) |
79 | { | |
983c1db0 | 80 | unsigned long csa; |
6afcabf1 | 81 | |
983c1db0 SP |
82 | /* Ensure EBI supply is 3.3V */ |
83 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
84 | at91_sys_write(AT91_MATRIX_EBICSA, | |
85 | csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
6afcabf1 | 86 | /* Configure SMC CS0 for parallel flash */ |
983c1db0 SP |
87 | at91_sys_write(AT91_SMC_SETUP(0), |
88 | AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2) | | |
89 | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2)); | |
90 | at91_sys_write(AT91_SMC_PULSE(0), | |
91 | AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10) | | |
92 | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10)); | |
93 | at91_sys_write(AT91_SMC_CYCLE(0), | |
94 | AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); | |
95 | at91_sys_write(AT91_SMC_MODE(0), | |
96 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
97 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | | |
98 | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); | |
6afcabf1 SP |
99 | } |
100 | ||
101 | #ifdef CONFIG_CMD_NAND | |
102 | static void at91cap9_nand_hw_init(void) | |
103 | { | |
983c1db0 SP |
104 | unsigned long csa; |
105 | ||
6afcabf1 | 106 | /* Enable CS3 */ |
983c1db0 SP |
107 | csa = at91_sys_read(AT91_MATRIX_EBICSA); |
108 | at91_sys_write(AT91_MATRIX_EBICSA, | |
109 | csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA | | |
110 | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
6afcabf1 SP |
111 | |
112 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
983c1db0 SP |
113 | at91_sys_write(AT91_SMC_SETUP(3), |
114 | AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(1) | | |
115 | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(1)); | |
116 | at91_sys_write(AT91_SMC_PULSE(3), | |
117 | AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(6) | | |
118 | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(6)); | |
119 | at91_sys_write(AT91_SMC_CYCLE(3), | |
120 | AT91_SMC_NWECYCLE_(8) | AT91_SMC_NRDCYCLE_(8)); | |
121 | at91_sys_write(AT91_SMC_MODE(3), | |
122 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
123 | AT91_SMC_EXNWMODE_DISABLE | | |
6d0f6bcf | 124 | #ifdef CONFIG_SYS_NAND_DBW_16 |
1c90df3e | 125 | AT91_SMC_DBW_16 | |
6d0f6bcf | 126 | #else /* CONFIG_SYS_NAND_DBW_8 */ |
1c90df3e SP |
127 | AT91_SMC_DBW_8 | |
128 | #endif | |
129 | AT91_SMC_TDF_(1)); | |
983c1db0 SP |
130 | |
131 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD); | |
6afcabf1 SP |
132 | |
133 | /* RDY/BSY is not connected */ | |
134 | ||
135 | /* Enable NandFlash */ | |
74c076d6 | 136 | at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); |
6afcabf1 SP |
137 | } |
138 | #endif | |
139 | ||
6afcabf1 SP |
140 | #ifdef CONFIG_MACB |
141 | static void at91cap9_macb_hw_init(void) | |
142 | { | |
6afcabf1 | 143 | /* Enable clock */ |
983c1db0 | 144 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_EMAC); |
6afcabf1 SP |
145 | |
146 | /* | |
147 | * Disable pull-up on: | |
148 | * RXDV (PB22) => PHY normal mode (not Test mode) | |
149 | * ERX0 (PB25) => PHY ADDR0 | |
150 | * ERX1 (PB26) => PHY ADDR1 => PHYADDR = 0x0 | |
151 | * | |
152 | * PHY has internal pull-down | |
153 | */ | |
983c1db0 SP |
154 | writel(pin_to_mask(AT91_PIN_PB22) | |
155 | pin_to_mask(AT91_PIN_PB25) | | |
156 | pin_to_mask(AT91_PIN_PB26), | |
157 | pin_to_controller(AT91_PIN_PA0) + PIO_PUDR); | |
6afcabf1 SP |
158 | |
159 | /* Need to reset PHY -> 500ms reset */ | |
983c1db0 | 160 | at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | |
19bd6884 | 161 | (AT91_RSTC_ERSTL & (0x0D << 8)) | |
983c1db0 SP |
162 | AT91_RSTC_URSTEN); |
163 | ||
164 | at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); | |
6afcabf1 SP |
165 | |
166 | /* Wait for end hardware reset */ | |
983c1db0 | 167 | while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); |
6afcabf1 | 168 | |
19bd6884 SP |
169 | /* Restore NRST value */ |
170 | at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | | |
171 | (AT91_RSTC_ERSTL & (0x0 << 8)) | | |
172 | AT91_RSTC_URSTEN); | |
173 | ||
6afcabf1 | 174 | /* Re-enable pull-up */ |
983c1db0 SP |
175 | writel(pin_to_mask(AT91_PIN_PB22) | |
176 | pin_to_mask(AT91_PIN_PB25) | | |
177 | pin_to_mask(AT91_PIN_PB26), | |
178 | pin_to_controller(AT91_PIN_PA0) + PIO_PUER); | |
179 | ||
e2c0476f JCPV |
180 | at91_macb_hw_init(); |
181 | ||
6afcabf1 SP |
182 | /* Unlock EMAC, 3 0 2 1 sequence */ |
183 | #define MP_MAC_KEY0 0x5969cb2a | |
184 | #define MP_MAC_KEY1 0xb4a1872e | |
185 | #define MP_MAC_KEY2 0x05683fbc | |
186 | #define MP_MAC_KEY3 0x3634fba4 | |
187 | #define UNLOCK_MAC 0x00000008 | |
983c1db0 SP |
188 | writel(MP_MAC_KEY3, MP_BLOCK_3_BASE + 0x3c); |
189 | writel(MP_MAC_KEY0, MP_BLOCK_3_BASE + 0x30); | |
190 | writel(MP_MAC_KEY2, MP_BLOCK_3_BASE + 0x38); | |
191 | writel(MP_MAC_KEY1, MP_BLOCK_3_BASE + 0x34); | |
192 | writel(UNLOCK_MAC, MP_BLOCK_3_BASE + 0x40); | |
6afcabf1 SP |
193 | } |
194 | #endif | |
195 | ||
196 | #ifdef CONFIG_USB_OHCI_NEW | |
197 | static void at91cap9_uhp_hw_init(void) | |
198 | { | |
199 | /* Unlock USB OHCI, 3 2 0 1 sequence */ | |
200 | #define MP_OHCI_KEY0 0x896c11ca | |
201 | #define MP_OHCI_KEY1 0x68ebca21 | |
202 | #define MP_OHCI_KEY2 0x4823efbc | |
203 | #define MP_OHCI_KEY3 0x8651aae4 | |
204 | #define UNLOCK_OHCI 0x00000010 | |
983c1db0 SP |
205 | writel(MP_OHCI_KEY3, MP_BLOCK_3_BASE + 0x3c); |
206 | writel(MP_OHCI_KEY2, MP_BLOCK_3_BASE + 0x38); | |
207 | writel(MP_OHCI_KEY0, MP_BLOCK_3_BASE + 0x30); | |
208 | writel(MP_OHCI_KEY1, MP_BLOCK_3_BASE + 0x34); | |
209 | writel(UNLOCK_OHCI, MP_BLOCK_3_BASE + 0x40); | |
6afcabf1 SP |
210 | } |
211 | #endif | |
212 | ||
c139b17d SP |
213 | #ifdef CONFIG_LCD |
214 | vidinfo_t panel_info = { | |
215 | vl_col: 240, | |
216 | vl_row: 320, | |
217 | vl_clk: 4965000, | |
218 | vl_sync: ATMEL_LCDC_INVLINE_INVERTED | | |
219 | ATMEL_LCDC_INVFRAME_INVERTED, | |
220 | vl_bpix: 3, | |
221 | vl_tft: 1, | |
222 | vl_hsync_len: 5, | |
223 | vl_left_margin: 1, | |
224 | vl_right_margin:33, | |
225 | vl_vsync_len: 1, | |
226 | vl_upper_margin:1, | |
227 | vl_lower_margin:0, | |
228 | mmio: AT91CAP9_LCDC_BASE, | |
229 | }; | |
230 | ||
231 | void lcd_enable(void) | |
232 | { | |
233 | at91_set_gpio_value(AT91_PIN_PC0, 0); /* power up */ | |
234 | } | |
235 | ||
236 | void lcd_disable(void) | |
237 | { | |
238 | at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */ | |
239 | } | |
240 | ||
241 | static void at91cap9_lcd_hw_init(void) | |
242 | { | |
243 | at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ | |
244 | at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ | |
245 | at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ | |
246 | at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ | |
247 | at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ | |
248 | at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ | |
249 | at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ | |
250 | at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ | |
251 | at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ | |
252 | at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ | |
253 | at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ | |
254 | at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ | |
255 | at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ | |
256 | at91_set_A_periph(AT91_PIN_PC17, 0); /* LCDD13 */ | |
257 | at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ | |
258 | at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ | |
259 | at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ | |
260 | at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ | |
261 | at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ | |
262 | at91_set_A_periph(AT91_PIN_PC25, 0); /* LCDD21 */ | |
263 | at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ | |
264 | at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ | |
265 | ||
266 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_LCDC); | |
267 | ||
268 | gd->fb_base = 0; | |
269 | } | |
6b59e03e HS |
270 | |
271 | #ifdef CONFIG_LCD_INFO | |
272 | #include <nand.h> | |
273 | #include <version.h> | |
274 | ||
275 | void lcd_show_board_info(void) | |
276 | { | |
277 | ulong dram_size, nand_size; | |
278 | int i; | |
279 | char temp[32]; | |
280 | ||
281 | lcd_printf ("%s\n", U_BOOT_VERSION); | |
282 | lcd_printf ("(C) 2008 ATMEL Corp\n"); | |
283 | lcd_printf ("at91support@atmel.com\n"); | |
284 | lcd_printf ("%s CPU at %s MHz\n", | |
7c966a8b | 285 | CONFIG_SYS_AT91_CPU_NAME, |
dc39ae95 | 286 | strmhz(temp, get_cpu_clk_rate())); |
6b59e03e HS |
287 | |
288 | dram_size = 0; | |
289 | for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) | |
290 | dram_size += gd->bd->bi_dram[i].size; | |
291 | nand_size = 0; | |
292 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) | |
293 | nand_size += nand_info[i].size; | |
294 | lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", | |
295 | dram_size >> 20, | |
296 | nand_size >> 20 ); | |
297 | } | |
298 | #endif /* CONFIG_LCD_INFO */ | |
c139b17d SP |
299 | #endif |
300 | ||
6afcabf1 SP |
301 | int board_init(void) |
302 | { | |
303 | /* Enable Ctrlc */ | |
304 | console_init_f(); | |
305 | ||
306 | /* arch number of AT91CAP9ADK-Board */ | |
307 | gd->bd->bi_arch_number = MACH_TYPE_AT91CAP9ADK; | |
308 | /* adress of boot parameters */ | |
309 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
310 | ||
1332a2a0 | 311 | at91_serial_hw_init(); |
19883aed | 312 | at91cap9_slowclock_hw_init(); |
6afcabf1 SP |
313 | at91cap9_nor_hw_init(); |
314 | #ifdef CONFIG_CMD_NAND | |
315 | at91cap9_nand_hw_init(); | |
316 | #endif | |
317 | #ifdef CONFIG_HAS_DATAFLASH | |
7ebafb7e | 318 | at91_spi0_hw_init(1 << 0); |
6afcabf1 SP |
319 | #endif |
320 | #ifdef CONFIG_MACB | |
321 | at91cap9_macb_hw_init(); | |
322 | #endif | |
323 | #ifdef CONFIG_USB_OHCI_NEW | |
324 | at91cap9_uhp_hw_init(); | |
c139b17d SP |
325 | #endif |
326 | #ifdef CONFIG_LCD | |
327 | at91cap9_lcd_hw_init(); | |
6afcabf1 | 328 | #endif |
6afcabf1 SP |
329 | return 0; |
330 | } | |
331 | ||
332 | int dram_init(void) | |
333 | { | |
334 | gd->bd->bi_dram[0].start = PHYS_SDRAM; | |
335 | gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; | |
336 | return 0; | |
337 | } | |
338 | ||
339 | #ifdef CONFIG_RESET_PHY_R | |
340 | void reset_phy(void) | |
341 | { | |
342 | #ifdef CONFIG_MACB | |
343 | /* | |
344 | * Initialize ethernet HW addr prior to starting Linux, | |
345 | * needed for nfsroot | |
346 | */ | |
347 | eth_init(gd->bd); | |
348 | #endif | |
349 | } | |
350 | #endif | |
3ae071e4 BW |
351 | |
352 | int board_eth_init(bd_t *bis) | |
353 | { | |
354 | int rc = 0; | |
355 | #ifdef CONFIG_MACB | |
d8003fa0 | 356 | rc = macb_eth_initialize(0, (void *)AT91CAP9_BASE_EMAC, 0x00); |
3ae071e4 BW |
357 | #endif |
358 | return rc; | |
359 | } |