xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision ed09a554)
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-Christopher 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_pmc.h>
18 #include <asm/arch/at91_rstc.h>
19 #include <asm/arch/at91_matrix.h>
20 #include <asm/arch/clk.h>
21 #include <asm/arch/gpio.h>
22 
23 #include <lcd.h>
24 #include <atmel_lcdc.h>
25 #include <dataflash.h>
26 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
27 #include <net.h>
28 #endif
29 #include <netdev.h>
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 /* ------------------------------------------------------------------------- */
34 /*
35  * Miscelaneous platform dependent initialisations
36  */
37 
38 #ifdef CONFIG_CMD_NAND
39 static void pm9261_nand_hw_init(void)
40 {
41 	unsigned long csa;
42 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
43 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
44 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
45 
46 	/* Enable CS3 */
47 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
48 	writel(csa, &matrix->csa);
49 
50 	/* Configure SMC CS3 for NAND/SmartMedia */
51 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
52 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
53 		&smc->cs[3].setup);
54 
55 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
56 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
57 		&smc->cs[3].pulse);
58 
59 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
60 		&smc->cs[3].cycle);
61 
62 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
63 		AT91_SMC_MODE_EXNW_DISABLE |
64 #ifdef CONFIG_SYS_NAND_DBW_16
65 		AT91_SMC_MODE_DBW_16 |
66 #else /* CONFIG_SYS_NAND_DBW_8 */
67 		AT91_SMC_MODE_DBW_8 |
68 #endif
69 		AT91_SMC_MODE_TDF_CYCLE(2),
70 		&smc->cs[3].mode);
71 
72 	writel(1 << ATMEL_ID_PIOA |
73 		1 << ATMEL_ID_PIOC,
74 		&pmc->pcer);
75 
76 	/* Configure RDY/BSY */
77 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
78 
79 	/* Enable NandFlash */
80 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
81 
82 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
83 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
84 }
85 #endif
86 
87 
88 #ifdef CONFIG_DRIVER_DM9000
89 static void pm9261_dm9000_hw_init(void)
90 {
91 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
92 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
93 
94 	/* Configure SMC CS2 for DM9000 */
95 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
96 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
97 		&smc->cs[2].setup);
98 
99 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
100 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
101 		&smc->cs[2].pulse);
102 
103 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
104 		&smc->cs[2].cycle);
105 
106 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
107 		AT91_SMC_MODE_EXNW_DISABLE |
108 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
109 		AT91_SMC_MODE_TDF_CYCLE(1),
110 		&smc->cs[2].mode);
111 
112 	/* Configure Interrupt pin as input, no pull-up */
113 	writel(1 << ATMEL_ID_PIOA, &pmc->pcer);
114 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
115 }
116 #endif
117 
118 #ifdef CONFIG_LCD
119 vidinfo_t panel_info = {
120 	.vl_col =		240,
121 	.vl_row =		320,
122 	.vl_clk =		4965000,
123 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
124 				ATMEL_LCDC_INVFRAME_INVERTED,
125 	.vl_bpix =		3,
126 	.vl_tft =		1,
127 	.vl_hsync_len =		5,
128 	.vl_left_margin =	1,
129 	.vl_right_margin =	33,
130 	.vl_vsync_len =		1,
131 	.vl_upper_margin =	1,
132 	.vl_lower_margin =	0,
133 	.mmio =			ATMEL_BASE_LCDC,
134 };
135 
136 void lcd_enable(void)
137 {
138 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
139 }
140 
141 void lcd_disable(void)
142 {
143 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
144 }
145 
146 static void pm9261_lcd_hw_init(void)
147 {
148 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
149 
150 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
151 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
152 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
153 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
154 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
155 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
156 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
157 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
158 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
159 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
160 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
161 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
162 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
163 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
164 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
165 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
166 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
167 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
168 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
169 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
170 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
171 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
172 
173 	writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */
174 
175 	gd->fb_base = ATMEL_BASE_SRAM;
176 }
177 
178 #ifdef CONFIG_LCD_INFO
179 #include <nand.h>
180 #include <version.h>
181 
182 extern flash_info_t flash_info[];
183 
184 void lcd_show_board_info(void)
185 {
186 	ulong dram_size, nand_size, flash_size, dataflash_size;
187 	int i;
188 	char temp[32];
189 
190 	lcd_printf ("%s\n", U_BOOT_VERSION);
191 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
192 	lcd_printf ("support@ronetix.at\n");
193 	lcd_printf ("%s CPU at %s MHz",
194 		CONFIG_SYS_AT91_CPU_NAME,
195 		strmhz(temp, get_cpu_clk_rate()));
196 
197 	dram_size = 0;
198 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
199 		dram_size += gd->bd->bi_dram[i].size;
200 
201 	nand_size = 0;
202 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
203 		nand_size += nand_info[i].size;
204 
205 	flash_size = 0;
206 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
207 		flash_size += flash_info[i].size;
208 
209 	dataflash_size = 0;
210 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
211 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
212 				dataflash_info[i].Device.pages_size;
213 
214 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
215 			"%ld MB DataFlash\n",
216 		dram_size >> 20,
217 		nand_size >> 20,
218 		flash_size >> 20,
219 		dataflash_size >> 20);
220 }
221 #endif /* CONFIG_LCD_INFO */
222 
223 #endif /* CONFIG_LCD */
224 
225 int board_early_init_f(void)
226 {
227 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
228 
229 	/* Enable clocks for some PIOs */
230 	writel(1 << ATMEL_ID_PIOA |
231 		1 << ATMEL_ID_PIOC,
232 		&pmc->pcer);
233 
234 	at91_seriald_hw_init();
235 
236 	return 0;
237 }
238 
239 int board_init(void)
240 {
241 	/* arch number of PM9261-Board */
242 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
243 
244 	/* adress of boot parameters */
245 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
246 
247 #ifdef CONFIG_CMD_NAND
248 	pm9261_nand_hw_init();
249 #endif
250 #ifdef CONFIG_HAS_DATAFLASH
251 	at91_spi0_hw_init(1 << 0);
252 #endif
253 #ifdef CONFIG_DRIVER_DM9000
254 	pm9261_dm9000_hw_init();
255 #endif
256 #ifdef CONFIG_LCD
257 	pm9261_lcd_hw_init();
258 #endif
259 	return 0;
260 }
261 
262 #ifdef CONFIG_DRIVER_DM9000
263 int board_eth_init(bd_t *bis)
264 {
265 	return dm9000_initialize(bis);
266 }
267 #endif
268 
269 int dram_init(void)
270 {
271 	/* dram_init must store complete ramsize in gd->ram_size */
272 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
273 				PHYS_SDRAM_SIZE);
274 	return 0;
275 }
276 
277 void dram_init_banksize(void)
278 {
279 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
280 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
281 }
282 
283 #ifdef CONFIG_RESET_PHY_R
284 void reset_phy(void)
285 {
286 #ifdef CONFIG_DRIVER_DM9000
287 	/*
288 	 * Initialize ethernet HW addr prior to starting Linux,
289 	 * needed for nfsroot
290 	 */
291 	eth_init();
292 #endif
293 }
294 #endif
295 
296 #ifdef CONFIG_DISPLAY_BOARDINFO
297 int checkboard (void)
298 {
299 	char buf[32];
300 
301 	printf ("Board : Ronetix PM9261\n");
302 	printf ("Crystal frequency: %8s MHz\n",
303 					strmhz(buf, get_main_clk_rate()));
304 	printf ("CPU clock        : %8s MHz\n",
305 					strmhz(buf, get_cpu_clk_rate()));
306 	printf ("Master clock     : %8s MHz\n",
307 					strmhz(buf, get_mck_clk_rate()));
308 
309 	return 0;
310 }
311 #endif
312