]>
Commit | Line | Data |
---|---|---|
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> |
983c1db0 SP |
29 | #include <asm/arch/at91_pmc.h> |
30 | #include <asm/arch/at91_rstc.h> | |
31 | #include <asm/arch/gpio.h> | |
32 | #include <asm/arch/io.h> | |
3ae071e4 | 33 | #include <asm/arch/hardware.h> |
c139b17d SP |
34 | #include <lcd.h> |
35 | #include <atmel_lcdc.h> | |
64d79206 JCPV |
36 | #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) |
37 | #include <net.h> | |
38 | #endif | |
3ae071e4 | 39 | #include <netdev.h> |
6afcabf1 SP |
40 | |
41 | #define MP_BLOCK_3_BASE 0xFDF00000 | |
42 | ||
43 | DECLARE_GLOBAL_DATA_PTR; | |
44 | ||
45 | /* ------------------------------------------------------------------------- */ | |
46 | /* | |
47 | * Miscelaneous platform dependent initialisations | |
48 | */ | |
49 | ||
50 | static void at91cap9_serial_hw_init(void) | |
51 | { | |
52 | #ifdef CONFIG_USART0 | |
983c1db0 SP |
53 | at91_set_A_periph(AT91_PIN_PA22, 1); /* TXD0 */ |
54 | at91_set_A_periph(AT91_PIN_PA23, 0); /* RXD0 */ | |
55 | at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0); | |
6afcabf1 SP |
56 | #endif |
57 | ||
58 | #ifdef CONFIG_USART1 | |
983c1db0 SP |
59 | at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */ |
60 | at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */ | |
61 | at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1); | |
6afcabf1 SP |
62 | #endif |
63 | ||
64 | #ifdef CONFIG_USART2 | |
983c1db0 SP |
65 | at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */ |
66 | at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */ | |
67 | at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2); | |
6afcabf1 SP |
68 | #endif |
69 | ||
70 | #ifdef CONFIG_USART3 /* DBGU */ | |
983c1db0 SP |
71 | at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ |
72 | at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ | |
73 | at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); | |
6afcabf1 | 74 | #endif |
6afcabf1 SP |
75 | } |
76 | ||
19883aed SP |
77 | static void at91cap9_slowclock_hw_init(void) |
78 | { | |
79 | /* | |
80 | * On AT91CAP9 revC CPUs, the slow clock can be based on an | |
81 | * internal impreciseRC oscillator or an external 32kHz oscillator. | |
82 | * Switch to the latter. | |
83 | */ | |
84 | #define ARCH_ID_AT91CAP9_REVB 0x399 | |
85 | #define ARCH_ID_AT91CAP9_REVC 0x601 | |
86 | if (at91_sys_read(AT91_PMC_VER) == ARCH_ID_AT91CAP9_REVC) { | |
87 | unsigned i, tmp = at91_sys_read(AT91_SCKCR); | |
88 | if ((tmp & AT91CAP9_SCKCR_OSCSEL) == AT91CAP9_SCKCR_OSCSEL_RC) { | |
89 | extern void timer_init(void); | |
90 | timer_init(); | |
91 | tmp |= AT91CAP9_SCKCR_OSC32EN; | |
92 | at91_sys_write(AT91_SCKCR, tmp); | |
93 | for (i = 0; i < 1200; i++) | |
94 | udelay(1000); | |
95 | tmp |= AT91CAP9_SCKCR_OSCSEL_32; | |
96 | at91_sys_write(AT91_SCKCR, tmp); | |
97 | udelay(200); | |
98 | tmp &= ~AT91CAP9_SCKCR_RCEN; | |
99 | at91_sys_write(AT91_SCKCR, tmp); | |
100 | } | |
101 | } | |
102 | } | |
103 | ||
6afcabf1 SP |
104 | static void at91cap9_nor_hw_init(void) |
105 | { | |
983c1db0 | 106 | unsigned long csa; |
6afcabf1 | 107 | |
983c1db0 SP |
108 | /* Ensure EBI supply is 3.3V */ |
109 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
110 | at91_sys_write(AT91_MATRIX_EBICSA, | |
111 | csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
6afcabf1 | 112 | /* Configure SMC CS0 for parallel flash */ |
983c1db0 SP |
113 | at91_sys_write(AT91_SMC_SETUP(0), |
114 | AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2) | | |
115 | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2)); | |
116 | at91_sys_write(AT91_SMC_PULSE(0), | |
117 | AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10) | | |
118 | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10)); | |
119 | at91_sys_write(AT91_SMC_CYCLE(0), | |
120 | AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); | |
121 | at91_sys_write(AT91_SMC_MODE(0), | |
122 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
123 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | | |
124 | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); | |
6afcabf1 SP |
125 | } |
126 | ||
127 | #ifdef CONFIG_CMD_NAND | |
128 | static void at91cap9_nand_hw_init(void) | |
129 | { | |
983c1db0 SP |
130 | unsigned long csa; |
131 | ||
6afcabf1 | 132 | /* Enable CS3 */ |
983c1db0 SP |
133 | csa = at91_sys_read(AT91_MATRIX_EBICSA); |
134 | at91_sys_write(AT91_MATRIX_EBICSA, | |
135 | csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA | | |
136 | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
6afcabf1 SP |
137 | |
138 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
983c1db0 SP |
139 | at91_sys_write(AT91_SMC_SETUP(3), |
140 | AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(1) | | |
141 | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(1)); | |
142 | at91_sys_write(AT91_SMC_PULSE(3), | |
143 | AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(6) | | |
144 | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(6)); | |
145 | at91_sys_write(AT91_SMC_CYCLE(3), | |
146 | AT91_SMC_NWECYCLE_(8) | AT91_SMC_NRDCYCLE_(8)); | |
147 | at91_sys_write(AT91_SMC_MODE(3), | |
148 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
149 | AT91_SMC_EXNWMODE_DISABLE | | |
6d0f6bcf | 150 | #ifdef CONFIG_SYS_NAND_DBW_16 |
1c90df3e | 151 | AT91_SMC_DBW_16 | |
6d0f6bcf | 152 | #else /* CONFIG_SYS_NAND_DBW_8 */ |
1c90df3e SP |
153 | AT91_SMC_DBW_8 | |
154 | #endif | |
155 | AT91_SMC_TDF_(1)); | |
983c1db0 SP |
156 | |
157 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD); | |
6afcabf1 SP |
158 | |
159 | /* RDY/BSY is not connected */ | |
160 | ||
161 | /* Enable NandFlash */ | |
983c1db0 | 162 | at91_set_gpio_output(AT91_PIN_PD15, 1); |
6afcabf1 SP |
163 | } |
164 | #endif | |
165 | ||
166 | #ifdef CONFIG_HAS_DATAFLASH | |
167 | static void at91cap9_spi_hw_init(void) | |
168 | { | |
983c1db0 SP |
169 | at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */ |
170 | ||
171 | at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | |
172 | at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | |
173 | at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ | |
174 | ||
175 | /* Enable clock */ | |
176 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0); | |
6afcabf1 SP |
177 | } |
178 | #endif | |
179 | ||
180 | #ifdef CONFIG_MACB | |
181 | static void at91cap9_macb_hw_init(void) | |
182 | { | |
6afcabf1 | 183 | /* Enable clock */ |
983c1db0 | 184 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_EMAC); |
6afcabf1 SP |
185 | |
186 | /* | |
187 | * Disable pull-up on: | |
188 | * RXDV (PB22) => PHY normal mode (not Test mode) | |
189 | * ERX0 (PB25) => PHY ADDR0 | |
190 | * ERX1 (PB26) => PHY ADDR1 => PHYADDR = 0x0 | |
191 | * | |
192 | * PHY has internal pull-down | |
193 | */ | |
983c1db0 SP |
194 | writel(pin_to_mask(AT91_PIN_PB22) | |
195 | pin_to_mask(AT91_PIN_PB25) | | |
196 | pin_to_mask(AT91_PIN_PB26), | |
197 | pin_to_controller(AT91_PIN_PA0) + PIO_PUDR); | |
6afcabf1 SP |
198 | |
199 | /* Need to reset PHY -> 500ms reset */ | |
983c1db0 | 200 | at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | |
19bd6884 | 201 | (AT91_RSTC_ERSTL & (0x0D << 8)) | |
983c1db0 SP |
202 | AT91_RSTC_URSTEN); |
203 | ||
204 | at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); | |
6afcabf1 SP |
205 | |
206 | /* Wait for end hardware reset */ | |
983c1db0 | 207 | while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); |
6afcabf1 | 208 | |
19bd6884 SP |
209 | /* Restore NRST value */ |
210 | at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | | |
211 | (AT91_RSTC_ERSTL & (0x0 << 8)) | | |
212 | AT91_RSTC_URSTEN); | |
213 | ||
6afcabf1 | 214 | /* Re-enable pull-up */ |
983c1db0 SP |
215 | writel(pin_to_mask(AT91_PIN_PB22) | |
216 | pin_to_mask(AT91_PIN_PB25) | | |
217 | pin_to_mask(AT91_PIN_PB26), | |
218 | pin_to_controller(AT91_PIN_PA0) + PIO_PUER); | |
219 | ||
220 | at91_set_A_periph(AT91_PIN_PB21, 0); /* ETXCK_EREFCK */ | |
221 | at91_set_A_periph(AT91_PIN_PB22, 0); /* ERXDV */ | |
222 | at91_set_A_periph(AT91_PIN_PB25, 0); /* ERX0 */ | |
223 | at91_set_A_periph(AT91_PIN_PB26, 0); /* ERX1 */ | |
224 | at91_set_A_periph(AT91_PIN_PB27, 0); /* ERXER */ | |
225 | at91_set_A_periph(AT91_PIN_PB28, 0); /* ETXEN */ | |
226 | at91_set_A_periph(AT91_PIN_PB23, 0); /* ETX0 */ | |
227 | at91_set_A_periph(AT91_PIN_PB24, 0); /* ETX1 */ | |
228 | at91_set_A_periph(AT91_PIN_PB30, 0); /* EMDIO */ | |
229 | at91_set_A_periph(AT91_PIN_PB29, 0); /* EMDC */ | |
230 | ||
231 | #ifndef CONFIG_RMII | |
232 | at91_set_B_periph(AT91_PIN_PC25, 0); /* ECRS */ | |
233 | at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */ | |
234 | at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */ | |
235 | at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */ | |
236 | at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */ | |
237 | at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */ | |
238 | at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */ | |
239 | at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */ | |
6afcabf1 | 240 | #endif |
6afcabf1 SP |
241 | /* Unlock EMAC, 3 0 2 1 sequence */ |
242 | #define MP_MAC_KEY0 0x5969cb2a | |
243 | #define MP_MAC_KEY1 0xb4a1872e | |
244 | #define MP_MAC_KEY2 0x05683fbc | |
245 | #define MP_MAC_KEY3 0x3634fba4 | |
246 | #define UNLOCK_MAC 0x00000008 | |
983c1db0 SP |
247 | writel(MP_MAC_KEY3, MP_BLOCK_3_BASE + 0x3c); |
248 | writel(MP_MAC_KEY0, MP_BLOCK_3_BASE + 0x30); | |
249 | writel(MP_MAC_KEY2, MP_BLOCK_3_BASE + 0x38); | |
250 | writel(MP_MAC_KEY1, MP_BLOCK_3_BASE + 0x34); | |
251 | writel(UNLOCK_MAC, MP_BLOCK_3_BASE + 0x40); | |
6afcabf1 SP |
252 | } |
253 | #endif | |
254 | ||
255 | #ifdef CONFIG_USB_OHCI_NEW | |
256 | static void at91cap9_uhp_hw_init(void) | |
257 | { | |
258 | /* Unlock USB OHCI, 3 2 0 1 sequence */ | |
259 | #define MP_OHCI_KEY0 0x896c11ca | |
260 | #define MP_OHCI_KEY1 0x68ebca21 | |
261 | #define MP_OHCI_KEY2 0x4823efbc | |
262 | #define MP_OHCI_KEY3 0x8651aae4 | |
263 | #define UNLOCK_OHCI 0x00000010 | |
983c1db0 SP |
264 | writel(MP_OHCI_KEY3, MP_BLOCK_3_BASE + 0x3c); |
265 | writel(MP_OHCI_KEY2, MP_BLOCK_3_BASE + 0x38); | |
266 | writel(MP_OHCI_KEY0, MP_BLOCK_3_BASE + 0x30); | |
267 | writel(MP_OHCI_KEY1, MP_BLOCK_3_BASE + 0x34); | |
268 | writel(UNLOCK_OHCI, MP_BLOCK_3_BASE + 0x40); | |
6afcabf1 SP |
269 | } |
270 | #endif | |
271 | ||
c139b17d SP |
272 | #ifdef CONFIG_LCD |
273 | vidinfo_t panel_info = { | |
274 | vl_col: 240, | |
275 | vl_row: 320, | |
276 | vl_clk: 4965000, | |
277 | vl_sync: ATMEL_LCDC_INVLINE_INVERTED | | |
278 | ATMEL_LCDC_INVFRAME_INVERTED, | |
279 | vl_bpix: 3, | |
280 | vl_tft: 1, | |
281 | vl_hsync_len: 5, | |
282 | vl_left_margin: 1, | |
283 | vl_right_margin:33, | |
284 | vl_vsync_len: 1, | |
285 | vl_upper_margin:1, | |
286 | vl_lower_margin:0, | |
287 | mmio: AT91CAP9_LCDC_BASE, | |
288 | }; | |
289 | ||
290 | void lcd_enable(void) | |
291 | { | |
292 | at91_set_gpio_value(AT91_PIN_PC0, 0); /* power up */ | |
293 | } | |
294 | ||
295 | void lcd_disable(void) | |
296 | { | |
297 | at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */ | |
298 | } | |
299 | ||
300 | static void at91cap9_lcd_hw_init(void) | |
301 | { | |
302 | at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ | |
303 | at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ | |
304 | at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ | |
305 | at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ | |
306 | at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ | |
307 | at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ | |
308 | at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ | |
309 | at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ | |
310 | at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ | |
311 | at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ | |
312 | at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ | |
313 | at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ | |
314 | at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ | |
315 | at91_set_A_periph(AT91_PIN_PC17, 0); /* LCDD13 */ | |
316 | at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ | |
317 | at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ | |
318 | at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ | |
319 | at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ | |
320 | at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ | |
321 | at91_set_A_periph(AT91_PIN_PC25, 0); /* LCDD21 */ | |
322 | at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ | |
323 | at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ | |
324 | ||
325 | at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_LCDC); | |
326 | ||
327 | gd->fb_base = 0; | |
328 | } | |
329 | #endif | |
330 | ||
6afcabf1 SP |
331 | int board_init(void) |
332 | { | |
333 | /* Enable Ctrlc */ | |
334 | console_init_f(); | |
335 | ||
336 | /* arch number of AT91CAP9ADK-Board */ | |
337 | gd->bd->bi_arch_number = MACH_TYPE_AT91CAP9ADK; | |
338 | /* adress of boot parameters */ | |
339 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
340 | ||
341 | at91cap9_serial_hw_init(); | |
19883aed | 342 | at91cap9_slowclock_hw_init(); |
6afcabf1 SP |
343 | at91cap9_nor_hw_init(); |
344 | #ifdef CONFIG_CMD_NAND | |
345 | at91cap9_nand_hw_init(); | |
346 | #endif | |
347 | #ifdef CONFIG_HAS_DATAFLASH | |
348 | at91cap9_spi_hw_init(); | |
349 | #endif | |
350 | #ifdef CONFIG_MACB | |
351 | at91cap9_macb_hw_init(); | |
352 | #endif | |
353 | #ifdef CONFIG_USB_OHCI_NEW | |
354 | at91cap9_uhp_hw_init(); | |
c139b17d SP |
355 | #endif |
356 | #ifdef CONFIG_LCD | |
357 | at91cap9_lcd_hw_init(); | |
6afcabf1 | 358 | #endif |
6afcabf1 SP |
359 | return 0; |
360 | } | |
361 | ||
362 | int dram_init(void) | |
363 | { | |
364 | gd->bd->bi_dram[0].start = PHYS_SDRAM; | |
365 | gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; | |
366 | return 0; | |
367 | } | |
368 | ||
369 | #ifdef CONFIG_RESET_PHY_R | |
370 | void reset_phy(void) | |
371 | { | |
372 | #ifdef CONFIG_MACB | |
373 | /* | |
374 | * Initialize ethernet HW addr prior to starting Linux, | |
375 | * needed for nfsroot | |
376 | */ | |
377 | eth_init(gd->bd); | |
378 | #endif | |
379 | } | |
380 | #endif | |
3ae071e4 BW |
381 | |
382 | int board_eth_init(bd_t *bis) | |
383 | { | |
384 | int rc = 0; | |
385 | #ifdef CONFIG_MACB | |
386 | rc = macb_eth_initialize(0, (void *)AT91_BASE_EMAC, 0x00); | |
387 | #endif | |
388 | return rc; | |
389 | } |