xref: /openbmc/u-boot/board/ronetix/pm9263/pm9263.c (revision f9727161)
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 <asm/sizes.h>
13 #include <asm/io.h>
14 #include <asm/arch/at91sam9_smc.h>
15 #include <asm/arch/at91_common.h>
16 #include <asm/arch/at91_pmc.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 	at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
71 
72 	/* Enable NandFlash */
73 	at91_set_pio_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 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
81 
82 	/*
83 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
84 	 * 1 - enable
85 	 * 0 - disable
86 	 */
87 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
88 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
89 
90 	/* Enable clock */
91 	writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
92 
93 	/*
94 	 * Disable pull-up on:
95 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
96 	 *	ERX0 (PE25) => PHY ADDR0
97 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
98 	 *
99 	 * PHY has internal pull-down
100 	 */
101 
102 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
103 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
104 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
105 
106 	/* Re-enable pull-up */
107 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
108 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
109 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
110 
111 	at91_macb_hw_init();
112 }
113 #endif
114 
115 #ifdef CONFIG_LCD
116 vidinfo_t panel_info = {
117 	vl_col:		240,
118 	vl_row:		320,
119 	vl_clk:		4965000,
120 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
121 			ATMEL_LCDC_INVFRAME_INVERTED,
122 	vl_bpix:	3,
123 	vl_tft:		1,
124 	vl_hsync_len:	5,
125 	vl_left_margin:	1,
126 	vl_right_margin:33,
127 	vl_vsync_len:	1,
128 	vl_upper_margin:1,
129 	vl_lower_margin:0,
130 	mmio:		ATMEL_BASE_LCDC,
131 };
132 
133 void lcd_enable(void)
134 {
135 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
136 }
137 
138 void lcd_disable(void)
139 {
140 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
141 }
142 
143 #ifdef CONFIG_LCD_IN_PSRAM
144 
145 #define PSRAM_CRE_PIN	AT91_PIO_PORTB, 29
146 #define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
147 
148 /* Initialize the PSRAM memory */
149 static int pm9263_lcd_hw_psram_init(void)
150 {
151 	unsigned long csa;
152 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1;
153 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
154 
155 	/* Enable CS3  3.3v, no pull-ups */
156 	csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
157 		AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
158 
159 	writel(csa, &matrix->csa[1]);
160 
161 	/* Configure SMC1 CS0 for PSRAM - 16-bit */
162 	writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
163 		AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
164 		&smc->cs[0].setup);
165 
166 	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
167 		AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
168 		&smc->cs[0].pulse);
169 
170 	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
171 		&smc->cs[0].cycle);
172 
173 	writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
174 		&smc->cs[0].mode);
175 
176 	/* setup PB29 as output */
177 	at91_set_pio_output(PSRAM_CRE_PIN, 1);
178 
179 	at91_set_pio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */
180 
181 	/* PSRAM: write BCR */
182 	readw(PSRAM_CTRL_REG);
183 	readw(PSRAM_CTRL_REG);
184 	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
185 	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */
186 
187 	/* write RCR of the PSRAM */
188 	readw(PSRAM_CTRL_REG);
189 	readw(PSRAM_CTRL_REG);
190 	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
191 	/* set RCR; 0x10-async mode,0x90-page mode */
192 	writew(0x90, PSRAM_CTRL_REG);
193 
194 	/*
195 	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
196 	 * MT45W2M16B - CRE must be 0
197 	 * MT45W2M16A - CRE must be 1
198 	 */
199 	writew(0x1234, PHYS_PSRAM);
200 	writew(0x5678, PHYS_PSRAM + 2);
201 
202 	/* test if the chip is MT45W2M16B */
203 	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
204 		/* try with CRE=1 (MT45W2M16A) */
205 		at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
206 
207 		/* write RCR of the PSRAM */
208 		readw(PSRAM_CTRL_REG);
209 		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 		writew(0x1234, PHYS_PSRAM);
216 		writew(0x5678, PHYS_PSRAM+2);
217 		if ((readw(PHYS_PSRAM) != 0x1234)
218 		  || (readw(PHYS_PSRAM + 2) != 0x5678))
219 			return 1;
220 
221 	}
222 
223 	/* Bus matrix */
224 	writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
225 	writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
226 
227 	return 0;
228 }
229 #endif
230 
231 static void pm9263_lcd_hw_init(void)
232 {
233 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
234 
235 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
236 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
237 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
238 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
239 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
240 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
241 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
242 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
243 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
244 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
245 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
246 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
247 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
248 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
249 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
250 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
251 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
252 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
253 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
254 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
255 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
256 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
257 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
258 
259 	writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
260 
261 	/* Power Control */
262 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
263 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);	/* power down */
264 
265 #ifdef CONFIG_LCD_IN_PSRAM
266 	/* initialize te PSRAM */
267 	int stat = pm9263_lcd_hw_psram_init();
268 
269 	gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0;
270 #else
271 	gd->fb_base = ATMEL_BASE_SRAM0;
272 #endif
273 
274 }
275 
276 #ifdef CONFIG_LCD_INFO
277 #include <nand.h>
278 #include <version.h>
279 
280 extern flash_info_t flash_info[];
281 
282 void lcd_show_board_info(void)
283 {
284 	ulong dram_size, nand_size, flash_size, dataflash_size;
285 	int i;
286 	char temp[32];
287 
288 	lcd_printf ("%s\n", U_BOOT_VERSION);
289 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
290 	lcd_printf ("support@ronetix.at\n");
291 	lcd_printf ("%s CPU at %s MHz",
292 		CONFIG_SYS_AT91_CPU_NAME,
293 		strmhz(temp, get_cpu_clk_rate()));
294 
295 	dram_size = 0;
296 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
297 		dram_size += gd->bd->bi_dram[i].size;
298 
299 	nand_size = 0;
300 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
301 		nand_size += nand_info[i].size;
302 
303 	flash_size = 0;
304 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
305 		flash_size += flash_info[i].size;
306 
307 	dataflash_size = 0;
308 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
309 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
310 				dataflash_info[i].Device.pages_size;
311 
312 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
313 			"4 MB PSRAM, %ld MB DataFlash\n",
314 		dram_size >> 20,
315 		nand_size >> 20,
316 		flash_size >> 20,
317 		dataflash_size >> 20);
318 }
319 #endif /* CONFIG_LCD_INFO */
320 
321 #endif /* CONFIG_LCD */
322 
323 int board_early_init_f(void)
324 {
325 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
326 
327 	/* Enable clocks for all PIOs */
328 	writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
329 		(1 << ATMEL_ID_PIOCDE),
330 		&pmc->pcer);
331 
332 	at91_seriald_hw_init();
333 
334 	return 0;
335 }
336 
337 int board_init(void)
338 {
339 	/* arch number of AT91SAM9263EK-Board */
340 	gd->bd->bi_arch_number = MACH_TYPE_PM9263;
341 
342 	/* adress of boot parameters */
343 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
344 
345 #ifdef CONFIG_CMD_NAND
346 	pm9263_nand_hw_init();
347 #endif
348 #ifdef CONFIG_HAS_DATAFLASH
349 	at91_spi0_hw_init(1 << 0);
350 #endif
351 #ifdef CONFIG_MACB
352 	pm9263_macb_hw_init();
353 #endif
354 #ifdef CONFIG_USB_OHCI_NEW
355 	at91_uhp_hw_init();
356 #endif
357 #ifdef CONFIG_LCD
358 	pm9263_lcd_hw_init();
359 #endif
360 	return 0;
361 }
362 
363 int dram_init(void)
364 {
365 	/* dram_init must store complete ramsize in gd->ram_size */
366 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
367 				PHYS_SDRAM_SIZE);
368 	return 0;
369 }
370 
371 void dram_init_banksize(void)
372 {
373 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
374 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
375 }
376 
377 #ifdef CONFIG_RESET_PHY_R
378 void reset_phy(void)
379 {
380 }
381 #endif
382 
383 int board_eth_init(bd_t *bis)
384 {
385 	int rc = 0;
386 #ifdef CONFIG_MACB
387 	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
388 #endif
389 	return rc;
390 }
391 
392 #ifdef CONFIG_DISPLAY_BOARDINFO
393 int checkboard (void)
394 {
395 	char *ss;
396 
397 	printf ("Board : Ronetix PM9263\n");
398 
399 	switch (gd->fb_base) {
400 	case PHYS_PSRAM:
401 		ss = "(PSRAM)";
402 		break;
403 
404 	case ATMEL_BASE_SRAM0:
405 		ss = "(Internal SRAM)";
406 		break;
407 
408 	default:
409 		ss = "";
410 		break;
411 	}
412 	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
413 
414 	printf ("\n");
415 	return 0;
416 }
417 #endif
418