xref: /openbmc/u-boot/board/ronetix/pm9263/pm9263.c (revision ae485b54)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2007-2008
4  * Stelian Pop <stelian@popies.net>
5  * Lead Tech Design <www.leadtechdesign.com>
6  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
7  * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
8  */
9 
10 #include <common.h>
11 #include <linux/sizes.h>
12 #include <asm/io.h>
13 #include <asm/gpio.h>
14 #include <asm/arch/at91sam9_smc.h>
15 #include <asm/arch/at91_common.h>
16 #include <asm/arch/at91_rstc.h>
17 #include <asm/arch/at91_matrix.h>
18 #include <asm/arch/clk.h>
19 #include <asm/arch/gpio.h>
20 #include <lcd.h>
21 #include <atmel_lcdc.h>
22 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
23 #include <net.h>
24 #endif
25 #include <netdev.h>
26 #include <asm/mach-types.h>
27 
28 DECLARE_GLOBAL_DATA_PTR;
29 
30 /* ------------------------------------------------------------------------- */
31 /*
32  * Miscelaneous platform dependent initialisations
33  */
34 
35 #ifdef CONFIG_CMD_NAND
36 static void pm9263_nand_hw_init(void)
37 {
38 	unsigned long csa;
39 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
40 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
41 
42 	/* Enable CS3 */
43 	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
44 	writel(csa, &matrix->csa[0]);
45 
46 	/* Configure SMC CS3 for NAND/SmartMedia */
47 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
48 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
49 		&smc->cs[3].setup);
50 
51 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
52 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
53 		&smc->cs[3].pulse);
54 
55 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
56 		&smc->cs[3].cycle);
57 
58 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
59 		AT91_SMC_MODE_EXNW_DISABLE |
60 #ifdef CONFIG_SYS_NAND_DBW_16
61 		AT91_SMC_MODE_DBW_16 |
62 #else /* CONFIG_SYS_NAND_DBW_8 */
63 		AT91_SMC_MODE_DBW_8 |
64 #endif
65 		AT91_SMC_MODE_TDF_CYCLE(2),
66 		&smc->cs[3].mode);
67 
68 	/* Configure RDY/BSY */
69 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
70 
71 	/* Enable NandFlash */
72 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
73 }
74 #endif
75 
76 #ifdef CONFIG_MACB
77 static void pm9263_macb_hw_init(void)
78 {
79 	/*
80 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
81 	 * 1 - enable
82 	 * 0 - disable
83 	 */
84 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
85 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
86 
87 	at91_periph_clk_enable(ATMEL_ID_EMAC);
88 
89 	/*
90 	 * Disable pull-up on:
91 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
92 	 *	ERX0 (PE25) => PHY ADDR0
93 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
94 	 *
95 	 * PHY has internal pull-down
96 	 */
97 
98 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
99 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
100 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
101 
102 	/* Re-enable pull-up */
103 	at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
104 	at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
105 	at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
106 
107 	at91_macb_hw_init();
108 }
109 #endif
110 
111 #ifdef CONFIG_LCD
112 vidinfo_t panel_info = {
113 	.vl_col =		240,
114 	.vl_row =		320,
115 	.vl_clk =		4965000,
116 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
117 					ATMEL_LCDC_INVFRAME_INVERTED,
118 	.vl_bpix =		3,
119 	.vl_tft =		1,
120 	.vl_hsync_len =		5,
121 	.vl_left_margin =	1,
122 	.vl_right_margin =	33,
123 	.vl_vsync_len =		1,
124 	.vl_upper_margin =	1,
125 	.vl_lower_margin =	0,
126 	.mmio =			ATMEL_BASE_LCDC,
127 };
128 
129 void lcd_enable(void)
130 {
131 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
132 }
133 
134 void lcd_disable(void)
135 {
136 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
137 }
138 
139 #ifdef CONFIG_LCD_IN_PSRAM
140 
141 #define PSRAM_CRE_PIN	AT91_PIO_PORTB, 29
142 #define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
143 
144 /* Initialize the PSRAM memory */
145 static int pm9263_lcd_hw_psram_init(void)
146 {
147 	unsigned long csa;
148 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1;
149 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
150 
151 	/* Enable CS3  3.3v, no pull-ups */
152 	csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
153 		AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
154 
155 	writel(csa, &matrix->csa[1]);
156 
157 	/* Configure SMC1 CS0 for PSRAM - 16-bit */
158 	writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
159 		AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
160 		&smc->cs[0].setup);
161 
162 	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
163 		AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
164 		&smc->cs[0].pulse);
165 
166 	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
167 		&smc->cs[0].cycle);
168 
169 	writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
170 		&smc->cs[0].mode);
171 
172 	/* setup PB29 as output */
173 	at91_set_pio_output(PSRAM_CRE_PIN, 1);
174 
175 	at91_set_pio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */
176 
177 	/* PSRAM: write BCR */
178 	readw(PSRAM_CTRL_REG);
179 	readw(PSRAM_CTRL_REG);
180 	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
181 	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */
182 
183 	/* write RCR of the PSRAM */
184 	readw(PSRAM_CTRL_REG);
185 	readw(PSRAM_CTRL_REG);
186 	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
187 	/* set RCR; 0x10-async mode,0x90-page mode */
188 	writew(0x90, PSRAM_CTRL_REG);
189 
190 	/*
191 	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
192 	 * MT45W2M16B - CRE must be 0
193 	 * MT45W2M16A - CRE must be 1
194 	 */
195 	writew(0x1234, PHYS_PSRAM);
196 	writew(0x5678, PHYS_PSRAM + 2);
197 
198 	/* test if the chip is MT45W2M16B */
199 	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
200 		/* try with CRE=1 (MT45W2M16A) */
201 		at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
202 
203 		/* write RCR of the PSRAM */
204 		readw(PSRAM_CTRL_REG);
205 		readw(PSRAM_CTRL_REG);
206 		writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */
207 		/* set RCR;0x10-async mode,0x90-page mode */
208 		writew(0x90, PSRAM_CTRL_REG);
209 
210 
211 		writew(0x1234, PHYS_PSRAM);
212 		writew(0x5678, PHYS_PSRAM+2);
213 		if ((readw(PHYS_PSRAM) != 0x1234)
214 		  || (readw(PHYS_PSRAM + 2) != 0x5678))
215 			return 1;
216 
217 	}
218 
219 	/* Bus matrix */
220 	writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
221 	writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
222 
223 	return 0;
224 }
225 #endif
226 
227 static void pm9263_lcd_hw_init(void)
228 {
229 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
230 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
231 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
232 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
233 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
234 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
235 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
236 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
237 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
238 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
239 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
240 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
241 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
242 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
243 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
244 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
245 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
246 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
247 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
248 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
249 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
250 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
251 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
252 
253 	at91_periph_clk_enable(ATMEL_ID_LCDC);
254 
255 	/* Power Control */
256 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
257 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);	/* power down */
258 
259 #ifdef CONFIG_LCD_IN_PSRAM
260 	/* initialize te PSRAM */
261 	int stat = pm9263_lcd_hw_psram_init();
262 
263 	gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0;
264 #else
265 	gd->fb_base = ATMEL_BASE_SRAM0;
266 #endif
267 
268 }
269 
270 #ifdef CONFIG_LCD_INFO
271 #include <nand.h>
272 #include <version.h>
273 
274 extern flash_info_t flash_info[];
275 
276 void lcd_show_board_info(void)
277 {
278 	ulong dram_size, nand_size, flash_size;
279 	int i;
280 	char temp[32];
281 
282 	lcd_printf ("%s\n", U_BOOT_VERSION);
283 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
284 	lcd_printf ("support@ronetix.at\n");
285 	lcd_printf ("%s CPU at %s MHz",
286 		CONFIG_SYS_AT91_CPU_NAME,
287 		strmhz(temp, get_cpu_clk_rate()));
288 
289 	dram_size = 0;
290 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
291 		dram_size += gd->bd->bi_dram[i].size;
292 
293 	nand_size = 0;
294 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
295 		nand_size += get_nand_dev_by_index(i)->size;
296 
297 	flash_size = 0;
298 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
299 		flash_size += flash_info[i].size;
300 
301 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
302 			"4 MB PSRAM\n",
303 		dram_size >> 20,
304 		nand_size >> 20,
305 		flash_size >> 20);
306 }
307 #endif /* CONFIG_LCD_INFO */
308 
309 #endif /* CONFIG_LCD */
310 
311 int board_early_init_f(void)
312 {
313 	return 0;
314 }
315 
316 int board_init(void)
317 {
318 	/* arch number of AT91SAM9263EK-Board */
319 	gd->bd->bi_arch_number = MACH_TYPE_PM9263;
320 
321 	/* adress of boot parameters */
322 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
323 
324 #ifdef CONFIG_CMD_NAND
325 	pm9263_nand_hw_init();
326 #endif
327 #ifdef CONFIG_MACB
328 	pm9263_macb_hw_init();
329 #endif
330 #ifdef CONFIG_USB_OHCI_NEW
331 	at91_uhp_hw_init();
332 #endif
333 #ifdef CONFIG_LCD
334 	pm9263_lcd_hw_init();
335 #endif
336 	return 0;
337 }
338 
339 int dram_init(void)
340 {
341 	/* dram_init must store complete ramsize in gd->ram_size */
342 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
343 				PHYS_SDRAM_SIZE);
344 	return 0;
345 }
346 
347 int dram_init_banksize(void)
348 {
349 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
350 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
351 
352 	return 0;
353 }
354 
355 #ifdef CONFIG_RESET_PHY_R
356 void reset_phy(void)
357 {
358 }
359 #endif
360 
361 int board_eth_init(bd_t *bis)
362 {
363 	int rc = 0;
364 #ifdef CONFIG_MACB
365 	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
366 #endif
367 	return rc;
368 }
369 
370 #ifdef CONFIG_DISPLAY_BOARDINFO
371 int checkboard (void)
372 {
373 	char *ss;
374 
375 	printf ("Board : Ronetix PM9263\n");
376 
377 	switch (gd->fb_base) {
378 	case PHYS_PSRAM:
379 		ss = "(PSRAM)";
380 		break;
381 
382 	case ATMEL_BASE_SRAM0:
383 		ss = "(Internal SRAM)";
384 		break;
385 
386 	default:
387 		ss = "";
388 		break;
389 	}
390 	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
391 
392 	printf ("\n");
393 	return 0;
394 }
395 #endif
396