xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision 15855700)
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/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/at91_pio.h>
36 #include <asm/arch/clk.h>
37 #include <asm/arch/at91_pio.h>
38 #include <asm/arch/io.h>
39 #include <asm/arch/hardware.h>
40 #include <lcd.h>
41 #include <atmel_lcdc.h>
42 #include <dataflash.h>
43 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
44 #include <net.h>
45 #endif
46 #include <netdev.h>
47 
48 DECLARE_GLOBAL_DATA_PTR;
49 
50 /* ------------------------------------------------------------------------- */
51 /*
52  * Miscelaneous platform dependent initialisations
53  */
54 
55 #ifdef CONFIG_CMD_NAND
56 static void pm9261_nand_hw_init(void)
57 {
58 	unsigned long csa;
59 	at91_smc_t 	*smc 	= (at91_smc_t *) AT91_SMC_BASE;
60 	at91_matrix_t 	*matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
61 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
62 
63 	/* Enable CS3 */
64 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
65 	writel(csa, &matrix->csa);
66 
67 	/* Configure SMC CS3 for NAND/SmartMedia */
68 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
69 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
70 		&smc->cs[3].setup);
71 
72 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
73 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
74 		&smc->cs[3].pulse);
75 
76 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
77 		&smc->cs[3].cycle);
78 
79 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
80 		AT91_SMC_MODE_EXNW_DISABLE |
81 #ifdef CONFIG_SYS_NAND_DBW_16
82 		AT91_SMC_MODE_DBW_16 |
83 #else /* CONFIG_SYS_NAND_DBW_8 */
84 		AT91_SMC_MODE_DBW_8 |
85 #endif
86 		AT91_SMC_MODE_TDF_CYCLE(2),
87 		&smc->cs[3].mode);
88 
89 	writel(1 << AT91SAM9261_ID_PIOA |
90 		1 << AT91SAM9261_ID_PIOC,
91 		&pmc->pcer);
92 
93 	/* Configure RDY/BSY */
94 	at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
95 
96 	/* Enable NandFlash */
97 	at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
98 
99 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
100 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
101 }
102 #endif
103 
104 
105 #ifdef CONFIG_DRIVER_DM9000
106 static void pm9261_dm9000_hw_init(void)
107 {
108 	at91_smc_t 	*smc 	= (at91_smc_t *) AT91_SMC_BASE;
109 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
110 
111 	/* Configure SMC CS2 for DM9000 */
112 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
113 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
114 		&smc->cs[2].setup);
115 
116 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
117 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
118 		&smc->cs[2].pulse);
119 
120 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
121 		&smc->cs[2].cycle);
122 
123 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
124 		AT91_SMC_MODE_EXNW_DISABLE |
125 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
126 		AT91_SMC_MODE_TDF_CYCLE(1),
127 		&smc->cs[2].mode);
128 
129 	/* Configure Interrupt pin as input, no pull-up */
130 	writel(1 << AT91SAM9261_ID_PIOA, &pmc->pcer);
131 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
132 }
133 #endif
134 
135 #ifdef CONFIG_LCD
136 vidinfo_t panel_info = {
137 	vl_col:		240,
138 	vl_row:		320,
139 	vl_clk:		4965000,
140 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
141 			ATMEL_LCDC_INVFRAME_INVERTED,
142 	vl_bpix:	3,
143 	vl_tft:		1,
144 	vl_hsync_len:	5,
145 	vl_left_margin:	1,
146 	vl_right_margin:33,
147 	vl_vsync_len:	1,
148 	vl_upper_margin:1,
149 	vl_lower_margin:0,
150 	mmio:		AT91SAM9261_LCDC_BASE,
151 };
152 
153 void lcd_enable(void)
154 {
155 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
156 }
157 
158 void lcd_disable(void)
159 {
160 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
161 }
162 
163 static void pm9261_lcd_hw_init(void)
164 {
165 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
166 
167 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
168 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
169 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
170 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
171 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
172 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
173 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
174 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
175 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
176 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
177 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
178 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
179 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
180 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
181 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
182 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
183 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
184 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
185 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
186 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
187 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
188 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
189 
190 	writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */
191 
192 	gd->fb_base = AT91SAM9261_SRAM_BASE;
193 }
194 
195 #ifdef CONFIG_LCD_INFO
196 #include <nand.h>
197 #include <version.h>
198 
199 extern flash_info_t flash_info[];
200 
201 void lcd_show_board_info(void)
202 {
203 	ulong dram_size, nand_size, flash_size, dataflash_size;
204 	int i;
205 	char temp[32];
206 
207 	lcd_printf ("%s\n", U_BOOT_VERSION);
208 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
209 	lcd_printf ("support@ronetix.at\n");
210 	lcd_printf ("%s CPU at %s MHz",
211 		CONFIG_SYS_AT91_CPU_NAME,
212 		strmhz(temp, get_cpu_clk_rate()));
213 
214 	dram_size = 0;
215 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
216 		dram_size += gd->bd->bi_dram[i].size;
217 
218 	nand_size = 0;
219 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
220 		nand_size += nand_info[i].size;
221 
222 	flash_size = 0;
223 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
224 		flash_size += flash_info[i].size;
225 
226 	dataflash_size = 0;
227 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
228 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
229 				dataflash_info[i].Device.pages_size;
230 
231 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
232 			"%ld MB DataFlash\n",
233 		dram_size >> 20,
234 		nand_size >> 20,
235 		flash_size >> 20,
236 		dataflash_size >> 20);
237 }
238 #endif /* CONFIG_LCD_INFO */
239 
240 #endif /* CONFIG_LCD */
241 
242 int board_init(void)
243 {
244 	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
245 
246 	/* Enable Ctrlc */
247 	console_init_f();
248 
249 	writel(1 << AT91SAM9261_ID_PIOA |
250 		1 << AT91SAM9261_ID_PIOC,
251 		&pmc->pcer);
252 
253 	/* arch number of PM9261-Board */
254 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
255 
256 	/* adress of boot parameters */
257 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
258 
259 	at91_serial_hw_init();
260 #ifdef CONFIG_CMD_NAND
261 	pm9261_nand_hw_init();
262 #endif
263 #ifdef CONFIG_HAS_DATAFLASH
264 	at91_spi0_hw_init(1 << 0);
265 #endif
266 #ifdef CONFIG_DRIVER_DM9000
267 	pm9261_dm9000_hw_init();
268 #endif
269 #ifdef CONFIG_LCD
270 	pm9261_lcd_hw_init();
271 #endif
272 	return 0;
273 }
274 
275 #ifdef CONFIG_DRIVER_DM9000
276 int board_eth_init(bd_t *bis)
277 {
278 	return dm9000_initialize(bis);
279 }
280 #endif
281 
282 int dram_init(void)
283 {
284 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
285 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
286 	return 0;
287 }
288 
289 #ifdef CONFIG_RESET_PHY_R
290 void reset_phy(void)
291 {
292 #ifdef CONFIG_DRIVER_DM9000
293 	/*
294 	 * Initialize ethernet HW addr prior to starting Linux,
295 	 * needed for nfsroot
296 	 */
297 	eth_init(gd->bd);
298 #endif
299 }
300 #endif
301 
302 #ifdef CONFIG_DISPLAY_BOARDINFO
303 int checkboard (void)
304 {
305 	char buf[32];
306 
307 	printf ("Board : Ronetix PM9261\n");
308 	printf ("Crystal frequency: %8s MHz\n",
309 					strmhz(buf, get_main_clk_rate()));
310 	printf ("CPU clock        : %8s MHz\n",
311 					strmhz(buf, get_cpu_clk_rate()));
312 	printf ("Master clock     : %8s MHz\n",
313 					strmhz(buf, get_mck_clk_rate()));
314 
315 	return 0;
316 }
317 #endif
318