xref: /openbmc/u-boot/board/ronetix/pm9263/pm9263.c (revision 33971937)
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 	at91_pio_t	*pio	= (at91_pio_t *) AT91_PIO_BASE;
100 
101 	/*
102 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
103 	 * 1 - enable
104 	 * 0 - disable
105 	 */
106 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
107 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
108 
109 	/* Enable clock */
110 	writel(1 << AT91SAM9263_ID_EMAC, &pmc->pcer);
111 
112 	/*
113 	 * Disable pull-up on:
114 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
115 	 *	ERX0 (PE25) => PHY ADDR0
116 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
117 	 *
118 	 * PHY has internal pull-down
119 	 */
120 
121 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
122 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
123 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
124 
125 	/* Re-enable pull-up */
126 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
127 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
128 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
129 
130 	at91_macb_hw_init();
131 }
132 #endif
133 
134 #ifdef CONFIG_LCD
135 vidinfo_t panel_info = {
136 	vl_col:		240,
137 	vl_row:		320,
138 	vl_clk:		4965000,
139 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
140 			ATMEL_LCDC_INVFRAME_INVERTED,
141 	vl_bpix:	3,
142 	vl_tft:		1,
143 	vl_hsync_len:	5,
144 	vl_left_margin:	1,
145 	vl_right_margin:33,
146 	vl_vsync_len:	1,
147 	vl_upper_margin:1,
148 	vl_lower_margin:0,
149 	mmio:		AT91SAM9263_LCDC_BASE,
150 };
151 
152 void lcd_enable(void)
153 {
154 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
155 }
156 
157 void lcd_disable(void)
158 {
159 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
160 }
161 
162 #ifdef CONFIG_LCD_IN_PSRAM
163 
164 #define PSRAM_CRE_PIN	AT91_PIO_PORTB, 29
165 #define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
166 
167 /* Initialize the PSRAM memory */
168 static int pm9263_lcd_hw_psram_init(void)
169 {
170 	volatile uint16_t x;
171 	unsigned long csa;
172 	at91_smc_t 	*smc 	= (at91_smc_t *) AT91_SMC1_BASE;
173 	at91_matrix_t 	*matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
174 
175 	/* Enable CS3  3.3v, no pull-ups */
176 	csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
177 		AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
178 
179 	writel(csa, &matrix->csa[1]);
180 
181 	/* Configure SMC1 CS0 for PSRAM - 16-bit */
182 	writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
183 		AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
184 		&smc->cs[0].setup);
185 
186 	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
187 		AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
188 		&smc->cs[0].pulse);
189 
190 	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
191 		&smc->cs[0].cycle);
192 
193 	writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
194 		&smc->cs[0].mode);
195 
196 	/* setup PB29 as output */
197 	at91_set_pio_output(PSRAM_CRE_PIN, 1);
198 
199 	at91_set_pio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */
200 
201 	/* PSRAM: write BCR */
202 	x = readw(PSRAM_CTRL_REG);
203 	x = readw(PSRAM_CTRL_REG);
204 	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
205 	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */
206 
207 	/* write RCR of the PSRAM */
208 	x = readw(PSRAM_CTRL_REG);
209 	x = readw(PSRAM_CTRL_REG);
210 	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
211 	/* set RCR; 0x10-async mode,0x90-page mode */
212 	writew(0x90, PSRAM_CTRL_REG);
213 
214 	/*
215 	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
216 	 * MT45W2M16B - CRE must be 0
217 	 * MT45W2M16A - CRE must be 1
218 	 */
219 	writew(0x1234, PHYS_PSRAM);
220 	writew(0x5678, PHYS_PSRAM + 2);
221 
222 	/* test if the chip is MT45W2M16B */
223 	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
224 		/* try with CRE=1 (MT45W2M16A) */
225 		at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
226 
227 		/* write RCR of the PSRAM */
228 		x = readw(PSRAM_CTRL_REG);
229 		x = readw(PSRAM_CTRL_REG);
230 		writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
231 		/* set RCR;0x10-async mode,0x90-page mode */
232 		writew(0x90, PSRAM_CTRL_REG);
233 
234 
235 		writew(0x1234, PHYS_PSRAM);
236 		writew(0x5678, PHYS_PSRAM+2);
237 		if ((readw(PHYS_PSRAM) != 0x1234)
238 		  || (readw(PHYS_PSRAM + 2) != 0x5678))
239 			return 1;
240 
241 	}
242 
243 	/* Bus matrix */
244 	writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
245 	writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
246 
247 	return 0;
248 }
249 #endif
250 
251 static void pm9263_lcd_hw_init(void)
252 {
253 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
254 
255 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
256 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
257 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
258 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
259 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
260 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
261 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
262 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
263 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
264 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
265 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
266 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
267 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
268 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
269 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
270 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
271 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
272 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
273 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
274 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
275 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
276 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
277 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
278 
279 	writel(1 << AT91SAM9263_ID_LCDC, &pmc->pcer);
280 
281 	/* Power Control */
282 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
283 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);	/* power down */
284 
285 #ifdef CONFIG_LCD_IN_PSRAM
286 	/* initialize te PSRAM */
287 	int stat = pm9263_lcd_hw_psram_init();
288 
289 	gd->fb_base = (stat == 0) ? PHYS_PSRAM : AT91SAM9263_SRAM0_BASE;
290 #else
291 	gd->fb_base = AT91SAM9263_SRAM0_BASE;
292 #endif
293 
294 }
295 
296 #ifdef CONFIG_LCD_INFO
297 #include <nand.h>
298 #include <version.h>
299 
300 extern flash_info_t flash_info[];
301 
302 void lcd_show_board_info(void)
303 {
304 	ulong dram_size, nand_size, flash_size, dataflash_size;
305 	int i;
306 	char temp[32];
307 
308 	lcd_printf ("%s\n", U_BOOT_VERSION);
309 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
310 	lcd_printf ("support@ronetix.at\n");
311 	lcd_printf ("%s CPU at %s MHz",
312 		CONFIG_SYS_AT91_CPU_NAME,
313 		strmhz(temp, get_cpu_clk_rate()));
314 
315 	dram_size = 0;
316 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
317 		dram_size += gd->bd->bi_dram[i].size;
318 
319 	nand_size = 0;
320 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
321 		nand_size += nand_info[i].size;
322 
323 	flash_size = 0;
324 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
325 		flash_size += flash_info[i].size;
326 
327 	dataflash_size = 0;
328 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
329 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
330 				dataflash_info[i].Device.pages_size;
331 
332 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
333 			"4 MB PSRAM, %ld MB DataFlash\n",
334 		dram_size >> 20,
335 		nand_size >> 20,
336 		flash_size >> 20,
337 		dataflash_size >> 20);
338 }
339 #endif /* CONFIG_LCD_INFO */
340 
341 #endif /* CONFIG_LCD */
342 
343 int board_init(void)
344 {
345 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
346 
347 	/* Enable Ctrlc */
348 	console_init_f();
349 
350 	writel((1 << AT91SAM9263_ID_PIOA) |
351 		(1 << AT91SAM9263_ID_PIOCDE) |
352 		(1 << AT91SAM9263_ID_PIOB),
353 		&pmc->pcer);
354 
355 	/* arch number of AT91SAM9263EK-Board */
356 	gd->bd->bi_arch_number = MACH_TYPE_PM9263;
357 
358 	/* adress of boot parameters */
359 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
360 
361 	at91_serial_hw_init();
362 #ifdef CONFIG_CMD_NAND
363 	pm9263_nand_hw_init();
364 #endif
365 #ifdef CONFIG_HAS_DATAFLASH
366 	at91_spi0_hw_init(1 << 0);
367 #endif
368 #ifdef CONFIG_MACB
369 	pm9263_macb_hw_init();
370 #endif
371 #ifdef CONFIG_USB_OHCI_NEW
372 	at91_uhp_hw_init();
373 #endif
374 #ifdef CONFIG_LCD
375 	pm9263_lcd_hw_init();
376 #endif
377 	return 0;
378 }
379 
380 int dram_init(void)
381 {
382 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
383 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
384 	return 0;
385 }
386 
387 #ifdef CONFIG_RESET_PHY_R
388 void reset_phy(void)
389 {
390 }
391 #endif
392 
393 int board_eth_init(bd_t *bis)
394 {
395 	int rc = 0;
396 #ifdef CONFIG_MACB
397 	rc = macb_eth_initialize(0, (void *)AT91_EMAC_BASE, 0x01);
398 #endif
399 	return rc;
400 }
401 
402 #ifdef CONFIG_DISPLAY_BOARDINFO
403 int checkboard (void)
404 {
405 	char *ss;
406 
407 	printf ("Board : Ronetix PM9263\n");
408 
409 	switch (gd->fb_base) {
410 	case PHYS_PSRAM:
411 		ss = "(PSRAM)";
412 		break;
413 
414 	case AT91SAM9263_SRAM0_BASE:
415 		ss = "(Internal SRAM)";
416 		break;
417 
418 	default:
419 		ss = "";
420 		break;
421 	}
422 	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
423 
424 	printf ("\n");
425 	return 0;
426 }
427 #endif
428