xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision a4145534)
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian.pop@leadtechdesign.com>
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/arch/at91sam9261.h>
30 #include <asm/arch/at91sam9261_matrix.h>
31 #include <asm/arch/at91sam9_smc.h>
32 #include <asm/arch/at91_common.h>
33 #include <asm/arch/at91_pmc.h>
34 #include <asm/arch/at91_rstc.h>
35 #include <asm/arch/clk.h>
36 #include <asm/arch/gpio.h>
37 #include <asm/arch/io.h>
38 #include <asm/arch/hardware.h>
39 #include <lcd.h>
40 #include <atmel_lcdc.h>
41 #include <dataflash.h>
42 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
43 #include <net.h>
44 #endif
45 #include <netdev.h>
46 
47 DECLARE_GLOBAL_DATA_PTR;
48 
49 /* ------------------------------------------------------------------------- */
50 /*
51  * Miscelaneous platform dependent initialisations
52  */
53 
54 #ifdef CONFIG_CMD_NAND
55 static void pm9261_nand_hw_init(void)
56 {
57 	unsigned long csa;
58 
59 	/* Enable CS3 */
60 	csa = at91_sys_read(AT91_MATRIX_EBICSA);
61 	at91_sys_write(AT91_MATRIX_EBICSA,
62 		       csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
63 
64 	/* Configure SMC CS3 for NAND/SmartMedia */
65 	at91_sys_write(AT91_SMC_SETUP(3),
66 		       AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
67 		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
68 	at91_sys_write(AT91_SMC_PULSE(3),
69 		       AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
70 		       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
71 	at91_sys_write(AT91_SMC_CYCLE(3),
72 		       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
73 	at91_sys_write(AT91_SMC_MODE(3),
74 		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
75 		       AT91_SMC_EXNWMODE_DISABLE |
76 #ifdef CONFIG_SYS_NAND_DBW_16
77 		       AT91_SMC_DBW_16 |
78 #else /* CONFIG_SYS_NAND_DBW_8 */
79 		       AT91_SMC_DBW_8 |
80 #endif
81 		       AT91_SMC_TDF_(2));
82 
83 	/* Configure RDY/BSY */
84 	at91_set_gpio_input(AT91_PIN_PA16, 1);
85 
86 	/* Enable NandFlash */
87 	at91_set_gpio_output(AT91_PIN_PC14, 1);
88 
89 	at91_set_A_periph(AT91_PIN_PC0, 0);	/* NANDOE */
90 	at91_set_A_periph(AT91_PIN_PC1, 0);	/* NANDWE */
91 }
92 #endif
93 
94 
95 #ifdef CONFIG_DRIVER_DM9000
96 static void pm9261_dm9000_hw_init(void)
97 {
98 	/* Configure SMC CS2 for DM9000 */
99 	at91_sys_write(AT91_SMC_SETUP(2),
100 		       AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
101 		       AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
102 	at91_sys_write(AT91_SMC_PULSE(2),
103 		       AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) |
104 		       AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
105 	at91_sys_write(AT91_SMC_CYCLE(2),
106 		       AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
107 	at91_sys_write(AT91_SMC_MODE(2),
108 		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
109 		       AT91_SMC_EXNWMODE_DISABLE |
110 		       AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 |
111 		       AT91_SMC_TDF_(1));
112 
113 	/* Configure Interrupt pin as input, no pull-up */
114 	at91_set_gpio_input(AT91_PIN_PA24, 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:		AT91SAM9261_LCDC_BASE,
134 };
135 
136 void lcd_enable(void)
137 {
138 	at91_set_gpio_value(AT91_PIN_PA22, 0);  /* power up */
139 }
140 
141 void lcd_disable(void)
142 {
143 	at91_set_gpio_value(AT91_PIN_PA22, 1);  /* power down */
144 }
145 
146 static void pm9261_lcd_hw_init(void)
147 {
148 	at91_set_A_periph(AT91_PIN_PB1, 0);	/* LCDHSYNC */
149 	at91_set_A_periph(AT91_PIN_PB2, 0);	/* LCDDOTCK */
150 	at91_set_A_periph(AT91_PIN_PB3, 0);	/* LCDDEN */
151 	at91_set_A_periph(AT91_PIN_PB4, 0);	/* LCDCC */
152 	at91_set_A_periph(AT91_PIN_PB7, 0);	/* LCDD2 */
153 	at91_set_A_periph(AT91_PIN_PB8, 0);	/* LCDD3 */
154 	at91_set_A_periph(AT91_PIN_PB9, 0);	/* LCDD4 */
155 	at91_set_A_periph(AT91_PIN_PB10, 0);	/* LCDD5 */
156 	at91_set_A_periph(AT91_PIN_PB11, 0);	/* LCDD6 */
157 	at91_set_A_periph(AT91_PIN_PB12, 0);	/* LCDD7 */
158 	at91_set_A_periph(AT91_PIN_PB15, 0);	/* LCDD10 */
159 	at91_set_A_periph(AT91_PIN_PB16, 0);	/* LCDD11 */
160 	at91_set_A_periph(AT91_PIN_PB17, 0);	/* LCDD12 */
161 	at91_set_A_periph(AT91_PIN_PB18, 0);	/* LCDD13 */
162 	at91_set_A_periph(AT91_PIN_PB19, 0);	/* LCDD14 */
163 	at91_set_A_periph(AT91_PIN_PB20, 0);	/* LCDD15 */
164 	at91_set_B_periph(AT91_PIN_PB23, 0);	/* LCDD18 */
165 	at91_set_B_periph(AT91_PIN_PB24, 0);	/* LCDD19 */
166 	at91_set_B_periph(AT91_PIN_PB25, 0);	/* LCDD20 */
167 	at91_set_B_periph(AT91_PIN_PB26, 0);	/* LCDD21 */
168 	at91_set_B_periph(AT91_PIN_PB27, 0);	/* LCDD22 */
169 	at91_set_B_periph(AT91_PIN_PB28, 0);	/* LCDD23 */
170 
171 	at91_sys_write(AT91_PMC_SCER, AT91_PMC_HCK1);
172 
173 	gd->fb_base = AT91SAM9261_SRAM_BASE;
174 }
175 
176 #ifdef CONFIG_LCD_INFO
177 #include <nand.h>
178 #include <version.h>
179 
180 extern flash_info_t flash_info[];
181 
182 void lcd_show_board_info(void)
183 {
184 	ulong dram_size, nand_size, flash_size, dataflash_size;
185 	int i;
186 	char temp[32];
187 
188 	lcd_printf ("%s\n", U_BOOT_VERSION);
189 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
190 	lcd_printf ("support@ronetix.at\n");
191 	lcd_printf ("%s CPU at %s MHz",
192 		CONFIG_SYS_AT91_CPU_NAME,
193 		strmhz(temp, get_cpu_clk_rate()));
194 
195 	dram_size = 0;
196 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
197 		dram_size += gd->bd->bi_dram[i].size;
198 
199 	nand_size = 0;
200 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
201 		nand_size += nand_info[i].size;
202 
203 	flash_size = 0;
204 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
205 		flash_size += flash_info[i].size;
206 
207 	dataflash_size = 0;
208 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
209 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
210 				dataflash_info[i].Device.pages_size;
211 
212 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
213 			"%ld MB DataFlash\n",
214 		dram_size >> 20,
215 		nand_size >> 20,
216 		flash_size >> 20,
217 		dataflash_size >> 20);
218 }
219 #endif /* CONFIG_LCD_INFO */
220 
221 #endif /* CONFIG_LCD */
222 
223 int board_init(void)
224 {
225 	/* Enable Ctrlc */
226 	console_init_f();
227 
228 	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOA);
229 	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOC);
230 
231 	/* arch number of PM9261-Board */
232 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
233 
234 	/* adress of boot parameters */
235 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
236 
237 	at91_serial_hw_init();
238 #ifdef CONFIG_CMD_NAND
239 	pm9261_nand_hw_init();
240 #endif
241 #ifdef CONFIG_HAS_DATAFLASH
242 	at91_spi0_hw_init(1 << 0);
243 #endif
244 #ifdef CONFIG_DRIVER_DM9000
245 	pm9261_dm9000_hw_init();
246 #endif
247 #ifdef CONFIG_LCD
248 	pm9261_lcd_hw_init();
249 #endif
250 	return 0;
251 }
252 
253 #ifdef CONFIG_DRIVER_DM9000
254 int board_eth_init(bd_t *bis)
255 {
256 	return dm9000_initialize(bis);
257 }
258 #endif
259 
260 int dram_init(void)
261 {
262 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
263 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
264 	return 0;
265 }
266 
267 #ifdef CONFIG_RESET_PHY_R
268 void reset_phy(void)
269 {
270 #ifdef CONFIG_DRIVER_DM9000
271 	/*
272 	 * Initialize ethernet HW addr prior to starting Linux,
273 	 * needed for nfsroot
274 	 */
275 	eth_init(gd->bd);
276 #endif
277 }
278 #endif
279 
280 #ifdef CONFIG_DISPLAY_BOARDINFO
281 int checkboard (void)
282 {
283 	char buf[32];
284 
285 	printf ("Board : Ronetix PM9261\n");
286 	printf ("Crystal frequency: %8s MHz\n",
287 					strmhz(buf, get_main_clk_rate()));
288 	printf ("CPU clock        : %8s MHz\n",
289 					strmhz(buf, get_cpu_clk_rate()));
290 	printf ("Master clock     : %8s MHz\n",
291 					strmhz(buf, get_mck_clk_rate()));
292 
293 	return 0;
294 }
295 #endif
296