xref: /openbmc/u-boot/board/ronetix/pm9263/pm9263.c (revision ed4708aa)
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
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  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <linux/sizes.h>
13 #include <asm/io.h>
14 #include <asm/gpio.h>
15 #include <asm/arch/at91sam9_smc.h>
16 #include <asm/arch/at91_common.h>
17 #include <asm/arch/at91_rstc.h>
18 #include <asm/arch/at91_matrix.h>
19 #include <asm/arch/clk.h>
20 #include <asm/arch/gpio.h>
21 #include <lcd.h>
22 #include <atmel_lcdc.h>
23 #include <dataflash.h>
24 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
25 #include <net.h>
26 #endif
27 #include <netdev.h>
28 
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 /* ------------------------------------------------------------------------- */
32 /*
33  * Miscelaneous platform dependent initialisations
34  */
35 
36 #ifdef CONFIG_CMD_NAND
37 static void pm9263_nand_hw_init(void)
38 {
39 	unsigned long csa;
40 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
41 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
42 
43 	/* Enable CS3 */
44 	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
45 	writel(csa, &matrix->csa[0]);
46 
47 	/* Configure SMC CS3 for NAND/SmartMedia */
48 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
49 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
50 		&smc->cs[3].setup);
51 
52 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
53 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
54 		&smc->cs[3].pulse);
55 
56 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
57 		&smc->cs[3].cycle);
58 
59 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
60 		AT91_SMC_MODE_EXNW_DISABLE |
61 #ifdef CONFIG_SYS_NAND_DBW_16
62 		AT91_SMC_MODE_DBW_16 |
63 #else /* CONFIG_SYS_NAND_DBW_8 */
64 		AT91_SMC_MODE_DBW_8 |
65 #endif
66 		AT91_SMC_MODE_TDF_CYCLE(2),
67 		&smc->cs[3].mode);
68 
69 	/* Configure RDY/BSY */
70 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
71 
72 	/* Enable NandFlash */
73 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
74 }
75 #endif
76 
77 #ifdef CONFIG_MACB
78 static void pm9263_macb_hw_init(void)
79 {
80 	/*
81 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
82 	 * 1 - enable
83 	 * 0 - disable
84 	 */
85 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
86 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
87 
88 	at91_periph_clk_enable(ATMEL_ID_EMAC);
89 
90 	/*
91 	 * Disable pull-up on:
92 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
93 	 *	ERX0 (PE25) => PHY ADDR0
94 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
95 	 *
96 	 * PHY has internal pull-down
97 	 */
98 
99 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
100 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
101 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
102 
103 	/* Re-enable pull-up */
104 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
105 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
106 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
107 
108 	at91_macb_hw_init();
109 }
110 #endif
111 
112 #ifdef CONFIG_LCD
113 vidinfo_t panel_info = {
114 	.vl_col =		240,
115 	.vl_row =		320,
116 	.vl_clk =		4965000,
117 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
118 					ATMEL_LCDC_INVFRAME_INVERTED,
119 	.vl_bpix =		3,
120 	.vl_tft =		1,
121 	.vl_hsync_len =		5,
122 	.vl_left_margin =	1,
123 	.vl_right_margin =	33,
124 	.vl_vsync_len =		1,
125 	.vl_upper_margin =	1,
126 	.vl_lower_margin =	0,
127 	.mmio =			ATMEL_BASE_LCDC,
128 };
129 
130 void lcd_enable(void)
131 {
132 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
133 }
134 
135 void lcd_disable(void)
136 {
137 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
138 }
139 
140 #ifdef CONFIG_LCD_IN_PSRAM
141 
142 #define PSRAM_CRE_PIN	AT91_PIO_PORTB, 29
143 #define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
144 
145 /* Initialize the PSRAM memory */
146 static int pm9263_lcd_hw_psram_init(void)
147 {
148 	unsigned long csa;
149 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1;
150 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
151 
152 	/* Enable CS3  3.3v, no pull-ups */
153 	csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
154 		AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
155 
156 	writel(csa, &matrix->csa[1]);
157 
158 	/* Configure SMC1 CS0 for PSRAM - 16-bit */
159 	writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
160 		AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
161 		&smc->cs[0].setup);
162 
163 	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
164 		AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
165 		&smc->cs[0].pulse);
166 
167 	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
168 		&smc->cs[0].cycle);
169 
170 	writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
171 		&smc->cs[0].mode);
172 
173 	/* setup PB29 as output */
174 	at91_set_pio_output(PSRAM_CRE_PIN, 1);
175 
176 	at91_set_pio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */
177 
178 	/* PSRAM: write BCR */
179 	readw(PSRAM_CTRL_REG);
180 	readw(PSRAM_CTRL_REG);
181 	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
182 	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */
183 
184 	/* write RCR of the PSRAM */
185 	readw(PSRAM_CTRL_REG);
186 	readw(PSRAM_CTRL_REG);
187 	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
188 	/* set RCR; 0x10-async mode,0x90-page mode */
189 	writew(0x90, PSRAM_CTRL_REG);
190 
191 	/*
192 	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
193 	 * MT45W2M16B - CRE must be 0
194 	 * MT45W2M16A - CRE must be 1
195 	 */
196 	writew(0x1234, PHYS_PSRAM);
197 	writew(0x5678, PHYS_PSRAM + 2);
198 
199 	/* test if the chip is MT45W2M16B */
200 	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
201 		/* try with CRE=1 (MT45W2M16A) */
202 		at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
203 
204 		/* write RCR of the PSRAM */
205 		readw(PSRAM_CTRL_REG);
206 		readw(PSRAM_CTRL_REG);
207 		writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
208 		/* set RCR;0x10-async mode,0x90-page mode */
209 		writew(0x90, PSRAM_CTRL_REG);
210 
211 
212 		writew(0x1234, PHYS_PSRAM);
213 		writew(0x5678, PHYS_PSRAM+2);
214 		if ((readw(PHYS_PSRAM) != 0x1234)
215 		  || (readw(PHYS_PSRAM + 2) != 0x5678))
216 			return 1;
217 
218 	}
219 
220 	/* Bus matrix */
221 	writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
222 	writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
223 
224 	return 0;
225 }
226 #endif
227 
228 static void pm9263_lcd_hw_init(void)
229 {
230 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
231 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
232 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
233 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
234 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
235 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
236 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
237 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
238 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
239 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
240 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
241 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
242 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
243 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
244 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
245 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
246 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
247 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
248 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
249 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
250 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
251 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
252 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
253 
254 	at91_periph_clk_enable(ATMEL_ID_LCDC);
255 
256 	/* Power Control */
257 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
258 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);	/* power down */
259 
260 #ifdef CONFIG_LCD_IN_PSRAM
261 	/* initialize te PSRAM */
262 	int stat = pm9263_lcd_hw_psram_init();
263 
264 	gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0;
265 #else
266 	gd->fb_base = ATMEL_BASE_SRAM0;
267 #endif
268 
269 }
270 
271 #ifdef CONFIG_LCD_INFO
272 #include <nand.h>
273 #include <version.h>
274 
275 extern flash_info_t flash_info[];
276 
277 void lcd_show_board_info(void)
278 {
279 	ulong dram_size, nand_size, flash_size, dataflash_size;
280 	int i;
281 	char temp[32];
282 
283 	lcd_printf ("%s\n", U_BOOT_VERSION);
284 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
285 	lcd_printf ("support@ronetix.at\n");
286 	lcd_printf ("%s CPU at %s MHz",
287 		CONFIG_SYS_AT91_CPU_NAME,
288 		strmhz(temp, get_cpu_clk_rate()));
289 
290 	dram_size = 0;
291 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
292 		dram_size += gd->bd->bi_dram[i].size;
293 
294 	nand_size = 0;
295 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
296 		nand_size += nand_info[i].size;
297 
298 	flash_size = 0;
299 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
300 		flash_size += flash_info[i].size;
301 
302 	dataflash_size = 0;
303 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
304 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
305 				dataflash_info[i].Device.pages_size;
306 
307 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
308 			"4 MB PSRAM, %ld MB DataFlash\n",
309 		dram_size >> 20,
310 		nand_size >> 20,
311 		flash_size >> 20,
312 		dataflash_size >> 20);
313 }
314 #endif /* CONFIG_LCD_INFO */
315 
316 #endif /* CONFIG_LCD */
317 
318 int board_early_init_f(void)
319 {
320 	at91_periph_clk_enable(ATMEL_ID_PIOA);
321 	at91_periph_clk_enable(ATMEL_ID_PIOB);
322 	at91_periph_clk_enable(ATMEL_ID_PIOCDE);
323 
324 	at91_seriald_hw_init();
325 
326 	return 0;
327 }
328 
329 int board_init(void)
330 {
331 	/* arch number of AT91SAM9263EK-Board */
332 	gd->bd->bi_arch_number = MACH_TYPE_PM9263;
333 
334 	/* adress of boot parameters */
335 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
336 
337 #ifdef CONFIG_CMD_NAND
338 	pm9263_nand_hw_init();
339 #endif
340 #ifdef CONFIG_HAS_DATAFLASH
341 	at91_spi0_hw_init(1 << 0);
342 #endif
343 #ifdef CONFIG_MACB
344 	pm9263_macb_hw_init();
345 #endif
346 #ifdef CONFIG_USB_OHCI_NEW
347 	at91_uhp_hw_init();
348 #endif
349 #ifdef CONFIG_LCD
350 	pm9263_lcd_hw_init();
351 #endif
352 	return 0;
353 }
354 
355 int dram_init(void)
356 {
357 	/* dram_init must store complete ramsize in gd->ram_size */
358 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
359 				PHYS_SDRAM_SIZE);
360 	return 0;
361 }
362 
363 void dram_init_banksize(void)
364 {
365 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
366 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
367 }
368 
369 #ifdef CONFIG_RESET_PHY_R
370 void reset_phy(void)
371 {
372 }
373 #endif
374 
375 int board_eth_init(bd_t *bis)
376 {
377 	int rc = 0;
378 #ifdef CONFIG_MACB
379 	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
380 #endif
381 	return rc;
382 }
383 
384 #ifdef CONFIG_DISPLAY_BOARDINFO
385 int checkboard (void)
386 {
387 	char *ss;
388 
389 	printf ("Board : Ronetix PM9263\n");
390 
391 	switch (gd->fb_base) {
392 	case PHYS_PSRAM:
393 		ss = "(PSRAM)";
394 		break;
395 
396 	case ATMEL_BASE_SRAM0:
397 		ss = "(Internal SRAM)";
398 		break;
399 
400 	default:
401 		ss = "";
402 		break;
403 	}
404 	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
405 
406 	printf ("\n");
407 	return 0;
408 }
409 #endif
410