xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision af2a4093)
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  * 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/io.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/clk.h>
36 #include <asm/arch/gpio.h>
37 
38 #include <lcd.h>
39 #include <atmel_lcdc.h>
40 #include <dataflash.h>
41 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
42 #include <net.h>
43 #endif
44 #include <netdev.h>
45 
46 DECLARE_GLOBAL_DATA_PTR;
47 
48 /* ------------------------------------------------------------------------- */
49 /*
50  * Miscelaneous platform dependent initialisations
51  */
52 
53 #ifdef CONFIG_CMD_NAND
54 static void pm9261_nand_hw_init(void)
55 {
56 	unsigned long csa;
57 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
58 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
59 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
60 
61 	/* Enable CS3 */
62 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
63 	writel(csa, &matrix->csa);
64 
65 	/* Configure SMC CS3 for NAND/SmartMedia */
66 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
67 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
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 	writel(1 << ATMEL_ID_PIOA |
88 		1 << ATMEL_ID_PIOC,
89 		&pmc->pcer);
90 
91 	/* Configure RDY/BSY */
92 	at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
93 
94 	/* Enable NandFlash */
95 	at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
96 
97 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
98 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
99 }
100 #endif
101 
102 
103 #ifdef CONFIG_DRIVER_DM9000
104 static void pm9261_dm9000_hw_init(void)
105 {
106 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
107 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
108 
109 	/* Configure SMC CS2 for DM9000 */
110 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
111 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
112 		&smc->cs[2].setup);
113 
114 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
115 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
116 		&smc->cs[2].pulse);
117 
118 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
119 		&smc->cs[2].cycle);
120 
121 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
122 		AT91_SMC_MODE_EXNW_DISABLE |
123 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
124 		AT91_SMC_MODE_TDF_CYCLE(1),
125 		&smc->cs[2].mode);
126 
127 	/* Configure Interrupt pin as input, no pull-up */
128 	writel(1 << ATMEL_ID_PIOA, &pmc->pcer);
129 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
130 }
131 #endif
132 
133 #ifdef CONFIG_LCD
134 vidinfo_t panel_info = {
135 	vl_col:		240,
136 	vl_row:		320,
137 	vl_clk:		4965000,
138 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
139 			ATMEL_LCDC_INVFRAME_INVERTED,
140 	vl_bpix:	3,
141 	vl_tft:		1,
142 	vl_hsync_len:	5,
143 	vl_left_margin:	1,
144 	vl_right_margin:33,
145 	vl_vsync_len:	1,
146 	vl_upper_margin:1,
147 	vl_lower_margin:0,
148 	mmio:		ATMEL_BASE_LCDC,
149 };
150 
151 void lcd_enable(void)
152 {
153 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
154 }
155 
156 void lcd_disable(void)
157 {
158 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
159 }
160 
161 static void pm9261_lcd_hw_init(void)
162 {
163 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
164 
165 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
166 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
167 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
168 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
169 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
170 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
171 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
172 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
173 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
174 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
175 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
176 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
177 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
178 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
179 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
180 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
181 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
182 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
183 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
184 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
185 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
186 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
187 
188 	writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */
189 
190 	gd->fb_base = ATMEL_BASE_SRAM;
191 }
192 
193 #ifdef CONFIG_LCD_INFO
194 #include <nand.h>
195 #include <version.h>
196 
197 extern flash_info_t flash_info[];
198 
199 void lcd_show_board_info(void)
200 {
201 	ulong dram_size, nand_size, flash_size, dataflash_size;
202 	int i;
203 	char temp[32];
204 
205 	lcd_printf ("%s\n", U_BOOT_VERSION);
206 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
207 	lcd_printf ("support@ronetix.at\n");
208 	lcd_printf ("%s CPU at %s MHz",
209 		CONFIG_SYS_AT91_CPU_NAME,
210 		strmhz(temp, get_cpu_clk_rate()));
211 
212 	dram_size = 0;
213 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
214 		dram_size += gd->bd->bi_dram[i].size;
215 
216 	nand_size = 0;
217 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
218 		nand_size += nand_info[i].size;
219 
220 	flash_size = 0;
221 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
222 		flash_size += flash_info[i].size;
223 
224 	dataflash_size = 0;
225 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
226 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
227 				dataflash_info[i].Device.pages_size;
228 
229 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
230 			"%ld MB DataFlash\n",
231 		dram_size >> 20,
232 		nand_size >> 20,
233 		flash_size >> 20,
234 		dataflash_size >> 20);
235 }
236 #endif /* CONFIG_LCD_INFO */
237 
238 #endif /* CONFIG_LCD */
239 
240 int board_early_init_f(void)
241 {
242 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
243 
244 	/* Enable clocks for some PIOs */
245 	writel(1 << ATMEL_ID_PIOA |
246 		1 << ATMEL_ID_PIOC,
247 		&pmc->pcer);
248 
249 	at91_seriald_hw_init();
250 
251 	return 0;
252 }
253 
254 int board_init(void)
255 {
256 	/* arch number of PM9261-Board */
257 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
258 
259 	/* adress of boot parameters */
260 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
261 
262 #ifdef CONFIG_CMD_NAND
263 	pm9261_nand_hw_init();
264 #endif
265 #ifdef CONFIG_HAS_DATAFLASH
266 	at91_spi0_hw_init(1 << 0);
267 #endif
268 #ifdef CONFIG_DRIVER_DM9000
269 	pm9261_dm9000_hw_init();
270 #endif
271 #ifdef CONFIG_LCD
272 	pm9261_lcd_hw_init();
273 #endif
274 	return 0;
275 }
276 
277 #ifdef CONFIG_DRIVER_DM9000
278 int board_eth_init(bd_t *bis)
279 {
280 	return dm9000_initialize(bis);
281 }
282 #endif
283 
284 int dram_init(void)
285 {
286 	/* dram_init must store complete ramsize in gd->ram_size */
287 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
288 				PHYS_SDRAM_SIZE);
289 	return 0;
290 }
291 
292 void dram_init_banksize(void)
293 {
294 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
295 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
296 }
297 
298 #ifdef CONFIG_RESET_PHY_R
299 void reset_phy(void)
300 {
301 #ifdef CONFIG_DRIVER_DM9000
302 	/*
303 	 * Initialize ethernet HW addr prior to starting Linux,
304 	 * needed for nfsroot
305 	 */
306 	eth_init(gd->bd);
307 #endif
308 }
309 #endif
310 
311 #ifdef CONFIG_DISPLAY_BOARDINFO
312 int checkboard (void)
313 {
314 	char buf[32];
315 
316 	printf ("Board : Ronetix PM9261\n");
317 	printf ("Crystal frequency: %8s MHz\n",
318 					strmhz(buf, get_main_clk_rate()));
319 	printf ("CPU clock        : %8s MHz\n",
320 					strmhz(buf, get_cpu_clk_rate()));
321 	printf ("Master clock     : %8s MHz\n",
322 					strmhz(buf, get_mck_clk_rate()));
323 
324 	return 0;
325 }
326 #endif
327