xref: /openbmc/u-boot/board/ronetix/pm9263/pm9263.c (revision 544d97e9)
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian.pop@leadtechdesign.com>
4  * Lead Tech Design <www.leadtechdesign.com>
5  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
6  * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26 
27 #include <common.h>
28 #include <asm/sizes.h>
29 #include <asm/arch/at91sam9263.h>
30 #include <asm/arch/at91sam9_smc.h>
31 #include <asm/arch/at91_common.h>
32 #include <asm/arch/at91_pmc.h>
33 #include <asm/arch/at91_rstc.h>
34 #include <asm/arch/at91_matrix.h>
35 #include <asm/arch/at91_pio.h>
36 #include <asm/arch/clk.h>
37 #include <asm/arch/io.h>
38 #include <asm/arch/hardware.h>
39 #include <lcd.h>
40 #include <atmel_lcdc.h>
41 #include <dataflash.h>
42 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
43 #include <net.h>
44 #endif
45 #include <netdev.h>
46 
47 DECLARE_GLOBAL_DATA_PTR;
48 
49 /* ------------------------------------------------------------------------- */
50 /*
51  * Miscelaneous platform dependent initialisations
52  */
53 
54 #ifdef CONFIG_CMD_NAND
55 static void pm9263_nand_hw_init(void)
56 {
57 	unsigned long csa;
58 	at91_smc_t 	*smc 	= (at91_smc_t *) AT91_SMC0_BASE;
59 	at91_matrix_t 	*matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
60 
61 	/* Enable CS3 */
62 	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
63 	writel(csa, &matrix->csa[0]);
64 
65 	/* Configure SMC CS3 for NAND/SmartMedia */
66 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
67 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
68 		&smc->cs[3].setup);
69 
70 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
71 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
72 		&smc->cs[3].pulse);
73 
74 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
75 		&smc->cs[3].cycle);
76 
77 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
78 		AT91_SMC_MODE_EXNW_DISABLE |
79 #ifdef CONFIG_SYS_NAND_DBW_16
80 		AT91_SMC_MODE_DBW_16 |
81 #else /* CONFIG_SYS_NAND_DBW_8 */
82 		AT91_SMC_MODE_DBW_8 |
83 #endif
84 		AT91_SMC_MODE_TDF_CYCLE(2),
85 		&smc->cs[3].mode);
86 
87 	/* Configure RDY/BSY */
88 	at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
89 
90 	/* Enable NandFlash */
91 	at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
92 }
93 #endif
94 
95 #ifdef CONFIG_MACB
96 static void pm9263_macb_hw_init(void)
97 {
98 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
99 
100 	/*
101 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
102 	 * 1 - enable
103 	 * 0 - disable
104 	 */
105 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
106 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
107 
108 	/* Enable clock */
109 	writel(1 << AT91SAM9263_ID_EMAC, &pmc->pcer);
110 
111 	/*
112 	 * Disable pull-up on:
113 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
114 	 *	ERX0 (PE25) => PHY ADDR0
115 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
116 	 *
117 	 * PHY has internal pull-down
118 	 */
119 
120 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
121 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
122 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
123 
124 	/* Re-enable pull-up */
125 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
126 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
127 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
128 
129 	at91_macb_hw_init();
130 }
131 #endif
132 
133 #ifdef CONFIG_LCD
134 vidinfo_t panel_info = {
135 	vl_col:		240,
136 	vl_row:		320,
137 	vl_clk:		4965000,
138 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
139 			ATMEL_LCDC_INVFRAME_INVERTED,
140 	vl_bpix:	3,
141 	vl_tft:		1,
142 	vl_hsync_len:	5,
143 	vl_left_margin:	1,
144 	vl_right_margin:33,
145 	vl_vsync_len:	1,
146 	vl_upper_margin:1,
147 	vl_lower_margin:0,
148 	mmio:		AT91SAM9263_LCDC_BASE,
149 };
150 
151 void lcd_enable(void)
152 {
153 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
154 }
155 
156 void lcd_disable(void)
157 {
158 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
159 }
160 
161 #ifdef CONFIG_LCD_IN_PSRAM
162 
163 #define PSRAM_CRE_PIN	AT91_PIO_PORTB, 29
164 #define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
165 
166 /* Initialize the PSRAM memory */
167 static int pm9263_lcd_hw_psram_init(void)
168 {
169 	volatile uint16_t x;
170 	unsigned long csa;
171 	at91_smc_t 	*smc 	= (at91_smc_t *) AT91_SMC1_BASE;
172 	at91_matrix_t 	*matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
173 
174 	/* Enable CS3  3.3v, no pull-ups */
175 	csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
176 		AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
177 
178 	writel(csa, &matrix->csa[1]);
179 
180 	/* Configure SMC1 CS0 for PSRAM - 16-bit */
181 	writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
182 		AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
183 		&smc->cs[0].setup);
184 
185 	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
186 		AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
187 		&smc->cs[0].pulse);
188 
189 	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
190 		&smc->cs[0].cycle);
191 
192 	writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
193 		&smc->cs[0].mode);
194 
195 	/* setup PB29 as output */
196 	at91_set_pio_output(PSRAM_CRE_PIN, 1);
197 
198 	at91_set_pio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */
199 
200 	/* PSRAM: write BCR */
201 	x = readw(PSRAM_CTRL_REG);
202 	x = readw(PSRAM_CTRL_REG);
203 	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
204 	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */
205 
206 	/* write RCR of the PSRAM */
207 	x = readw(PSRAM_CTRL_REG);
208 	x = readw(PSRAM_CTRL_REG);
209 	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
210 	/* set RCR; 0x10-async mode,0x90-page mode */
211 	writew(0x90, PSRAM_CTRL_REG);
212 
213 	/*
214 	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
215 	 * MT45W2M16B - CRE must be 0
216 	 * MT45W2M16A - CRE must be 1
217 	 */
218 	writew(0x1234, PHYS_PSRAM);
219 	writew(0x5678, PHYS_PSRAM + 2);
220 
221 	/* test if the chip is MT45W2M16B */
222 	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
223 		/* try with CRE=1 (MT45W2M16A) */
224 		at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
225 
226 		/* write RCR of the PSRAM */
227 		x = readw(PSRAM_CTRL_REG);
228 		x = readw(PSRAM_CTRL_REG);
229 		writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
230 		/* set RCR;0x10-async mode,0x90-page mode */
231 		writew(0x90, PSRAM_CTRL_REG);
232 
233 
234 		writew(0x1234, PHYS_PSRAM);
235 		writew(0x5678, PHYS_PSRAM+2);
236 		if ((readw(PHYS_PSRAM) != 0x1234)
237 		  || (readw(PHYS_PSRAM + 2) != 0x5678))
238 			return 1;
239 
240 	}
241 
242 	/* Bus matrix */
243 	writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
244 	writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
245 
246 	return 0;
247 }
248 #endif
249 
250 static void pm9263_lcd_hw_init(void)
251 {
252 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
253 
254 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
255 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
256 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
257 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
258 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
259 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
260 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
261 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
262 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
263 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
264 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
265 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
266 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
267 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
268 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
269 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
270 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
271 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
272 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
273 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
274 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
275 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
276 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
277 
278 	writel(1 << AT91SAM9263_ID_LCDC, &pmc->pcer);
279 
280 	/* Power Control */
281 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
282 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);	/* power down */
283 
284 #ifdef CONFIG_LCD_IN_PSRAM
285 	/* initialize te PSRAM */
286 	int stat = pm9263_lcd_hw_psram_init();
287 
288 	gd->fb_base = (stat == 0) ? PHYS_PSRAM : AT91SAM9263_SRAM0_BASE;
289 #else
290 	gd->fb_base = AT91SAM9263_SRAM0_BASE;
291 #endif
292 
293 }
294 
295 #ifdef CONFIG_LCD_INFO
296 #include <nand.h>
297 #include <version.h>
298 
299 extern flash_info_t flash_info[];
300 
301 void lcd_show_board_info(void)
302 {
303 	ulong dram_size, nand_size, flash_size, dataflash_size;
304 	int i;
305 	char temp[32];
306 
307 	lcd_printf ("%s\n", U_BOOT_VERSION);
308 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
309 	lcd_printf ("support@ronetix.at\n");
310 	lcd_printf ("%s CPU at %s MHz",
311 		CONFIG_SYS_AT91_CPU_NAME,
312 		strmhz(temp, get_cpu_clk_rate()));
313 
314 	dram_size = 0;
315 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
316 		dram_size += gd->bd->bi_dram[i].size;
317 
318 	nand_size = 0;
319 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
320 		nand_size += nand_info[i].size;
321 
322 	flash_size = 0;
323 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
324 		flash_size += flash_info[i].size;
325 
326 	dataflash_size = 0;
327 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
328 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
329 				dataflash_info[i].Device.pages_size;
330 
331 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
332 			"4 MB PSRAM, %ld MB DataFlash\n",
333 		dram_size >> 20,
334 		nand_size >> 20,
335 		flash_size >> 20,
336 		dataflash_size >> 20);
337 }
338 #endif /* CONFIG_LCD_INFO */
339 
340 #endif /* CONFIG_LCD */
341 
342 int board_init(void)
343 {
344 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
345 
346 	/* Enable Ctrlc */
347 	console_init_f();
348 
349 	writel((1 << AT91SAM9263_ID_PIOA) |
350 		(1 << AT91SAM9263_ID_PIOCDE) |
351 		(1 << AT91SAM9263_ID_PIOB),
352 		&pmc->pcer);
353 
354 	/* arch number of AT91SAM9263EK-Board */
355 	gd->bd->bi_arch_number = MACH_TYPE_PM9263;
356 
357 	/* adress of boot parameters */
358 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
359 
360 	at91_serial_hw_init();
361 #ifdef CONFIG_CMD_NAND
362 	pm9263_nand_hw_init();
363 #endif
364 #ifdef CONFIG_HAS_DATAFLASH
365 	at91_spi0_hw_init(1 << 0);
366 #endif
367 #ifdef CONFIG_MACB
368 	pm9263_macb_hw_init();
369 #endif
370 #ifdef CONFIG_USB_OHCI_NEW
371 	at91_uhp_hw_init();
372 #endif
373 #ifdef CONFIG_LCD
374 	pm9263_lcd_hw_init();
375 #endif
376 	return 0;
377 }
378 
379 int dram_init(void)
380 {
381 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
382 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
383 	return 0;
384 }
385 
386 #ifdef CONFIG_RESET_PHY_R
387 void reset_phy(void)
388 {
389 }
390 #endif
391 
392 int board_eth_init(bd_t *bis)
393 {
394 	int rc = 0;
395 #ifdef CONFIG_MACB
396 	rc = macb_eth_initialize(0, (void *)AT91_EMAC_BASE, 0x01);
397 #endif
398 	return rc;
399 }
400 
401 #ifdef CONFIG_DISPLAY_BOARDINFO
402 int checkboard (void)
403 {
404 	char *ss;
405 
406 	printf ("Board : Ronetix PM9263\n");
407 
408 	switch (gd->fb_base) {
409 	case PHYS_PSRAM:
410 		ss = "(PSRAM)";
411 		break;
412 
413 	case AT91SAM9263_SRAM0_BASE:
414 		ss = "(Internal SRAM)";
415 		break;
416 
417 	default:
418 		ss = "";
419 		break;
420 	}
421 	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
422 
423 	printf ("\n");
424 	return 0;
425 }
426 #endif
427