1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <asm/sizes.h>
27 #include <asm/arch/at91sam9263.h>
28 #include <asm/arch/at91sam9_smc.h>
29 #include <asm/arch/at91_common.h>
30 #include <asm/arch/at91_pmc.h>
31 #include <asm/arch/at91_rstc.h>
32 #include <asm/arch/at91_matrix.h>
33 #include <asm/arch/at91_pio.h>
34 #include <asm/arch/clk.h>
35 #include <asm/io.h>
36 #include <asm/arch/gpio.h>
37 #include <asm/arch/hardware.h>
38 #include <lcd.h>
39 #include <atmel_lcdc.h>
40 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
41 #include <net.h>
42 #endif
43 #include <netdev.h>
44 
45 DECLARE_GLOBAL_DATA_PTR;
46 
47 /* ------------------------------------------------------------------------- */
48 /*
49  * Miscelaneous platform dependent initialisations
50  */
51 
52 #ifdef CONFIG_CMD_NAND
53 static void at91sam9263ek_nand_hw_init(void)
54 {
55 	unsigned long csa;
56 	at91_smc_t    *smc    = (at91_smc_t *) ATMEL_BASE_SMC0;
57 	at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
58 	at91_pmc_t    *pmc    = (at91_pmc_t *) ATMEL_BASE_PMC;
59 
60 	/* Enable CS3 */
61 	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
62 	writel(csa, &matrix->csa[0]);
63 
64 	/* Enable CS3 */
65 
66 	/* Configure SMC CS3 for NAND/SmartMedia */
67 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
68 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
69 		&smc->cs[3].setup);
70 
71 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
72 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
73 		&smc->cs[3].pulse);
74 
75 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
76 		&smc->cs[3].cycle);
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 | 1 << ATMEL_ID_PIOCDE,
88 		&pmc->pcer);
89 
90 	/* Configure RDY/BSY */
91 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
92 
93 	/* Enable NandFlash */
94 	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
95 }
96 #endif
97 
98 #ifdef CONFIG_MACB
99 static void at91sam9263ek_macb_hw_init(void)
100 {
101 	unsigned long 	erstl;
102 	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
103 	at91_pio_t	*pio	= (at91_pio_t *) ATMEL_BASE_PIO;
104 	at91_rstc_t	*rstc	= (at91_rstc_t *) ATMEL_BASE_RSTC;
105 	/* Enable clock */
106 	writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
107 
108 	/*
109 	 * Disable pull-up on:
110 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
111 	 * 	ERX0 (PE25) => PHY ADDR0
112 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
113 	 *
114 	 * PHY has internal pull-down
115 	 */
116 
117 	writel(1 << 25, &pio->pioc.pudr);
118 	writel((1 << 25) | (1 <<26), &pio->pioe.pudr);
119 
120 	erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
121 
122 	/* Need to reset PHY -> 500ms reset */
123 	writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) |
124 		AT91_RSTC_MR_URSTEN, &rstc->mr);
125 
126 	writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
127 	/* Wait for end hardware reset */
128 	while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL))
129 		;
130 
131 	/* Restore NRST value */
132 	writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr);
133 
134 	/* Re-enable pull-up */
135 	writel(1 << 25, &pio->pioc.puer);
136 	writel((1 << 25) | (1 <<26), &pio->pioe.puer);
137 
138 	at91_macb_hw_init();
139 }
140 #endif
141 
142 #ifdef CONFIG_LCD
143 vidinfo_t panel_info = {
144 	vl_col:		240,
145 	vl_row:		320,
146 	vl_clk:		4965000,
147 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
148 			ATMEL_LCDC_INVFRAME_INVERTED,
149 	vl_bpix:	3,
150 	vl_tft:		1,
151 	vl_hsync_len:	5,
152 	vl_left_margin:	1,
153 	vl_right_margin:33,
154 	vl_vsync_len:	1,
155 	vl_upper_margin:1,
156 	vl_lower_margin:0,
157 	mmio:		ATMEL_BASE_LCDC,
158 };
159 
160 void lcd_enable(void)
161 {
162 	at91_set_pio_value(AT91_PIO_PORTA, 30, 1);  /* power up */
163 }
164 
165 void lcd_disable(void)
166 {
167 	at91_set_pio_value(AT91_PIO_PORTA, 30, 0);  /* power down */
168 }
169 
170 static void at91sam9263ek_lcd_hw_init(void)
171 {
172 	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
173 
174 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
175 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
176 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
177 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
178 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
179 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
180 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
181 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
182 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
183 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
184 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
185 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
186 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
187 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
188 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
189 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
190 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
191 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
192 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
193 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
194 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
195 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
196 
197 	writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
198 	gd->fb_base = ATMEL_BASE_SRAM0;
199 }
200 
201 #ifdef CONFIG_LCD_INFO
202 #include <nand.h>
203 #include <version.h>
204 
205 #ifndef CONFIG_SYS_NO_FLASH
206 extern flash_info_t flash_info[];
207 #endif
208 
209 void lcd_show_board_info(void)
210 {
211 	ulong dram_size, nand_size;
212 #ifndef CONFIG_SYS_NO_FLASH
213 	ulong flash_size;
214 #endif
215 	int i;
216 	char temp[32];
217 
218 	lcd_printf ("%s\n", U_BOOT_VERSION);
219 	lcd_printf ("(C) 2008 ATMEL Corp\n");
220 	lcd_printf ("at91support@atmel.com\n");
221 	lcd_printf ("%s CPU at %s MHz\n",
222 		ATMEL_CPU_NAME,
223 		strmhz(temp, get_cpu_clk_rate()));
224 
225 	dram_size = 0;
226 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
227 		dram_size += gd->bd->bi_dram[i].size;
228 	nand_size = 0;
229 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
230 		nand_size += nand_info[i].size;
231 #ifndef CONFIG_SYS_NO_FLASH
232 	flash_size = 0;
233 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
234 		flash_size += flash_info[i].size;
235 #endif
236 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND",
237 		dram_size >> 20,
238 		nand_size >> 20 );
239 #ifndef CONFIG_SYS_NO_FLASH
240 	lcd_printf (",\n  %ld MB NOR",
241 		flash_size >> 20);
242 #endif
243 	lcd_puts ("\n");
244 }
245 #endif /* CONFIG_LCD_INFO */
246 #endif
247 
248 int board_early_init_f(void)
249 {
250 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
251 
252 	/* Enable clocks for all PIOs */
253 	writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
254 		(1 << ATMEL_ID_PIOCDE),
255 		&pmc->pcer);
256 
257 	return 0;
258 }
259 
260 int board_init(void)
261 {
262 	/* Enable Ctrlc */
263 	console_init_f();
264 
265 	/* arch number of AT91SAM9263EK-Board */
266 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK;
267 	/* adress of boot parameters */
268 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
269 
270 	at91_seriald_hw_init();
271 #ifdef CONFIG_CMD_NAND
272 	at91sam9263ek_nand_hw_init();
273 #endif
274 #ifdef CONFIG_HAS_DATAFLASH
275 	at91_set_pio_output(AT91_PIO_PORTE, 20, 1);	/* select spi0 clock */
276 	at91_spi0_hw_init(1 << 0);
277 #endif
278 #ifdef CONFIG_MACB
279 	at91sam9263ek_macb_hw_init();
280 #endif
281 #ifdef CONFIG_USB_OHCI_NEW
282 	at91_uhp_hw_init();
283 #endif
284 #ifdef CONFIG_LCD
285 	at91sam9263ek_lcd_hw_init();
286 #endif
287 	return 0;
288 }
289 
290 int dram_init(void)
291 {
292 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
293 		CONFIG_SYS_SDRAM_SIZE);
294 
295 	return 0;
296 }
297 
298 #ifdef CONFIG_RESET_PHY_R
299 void reset_phy(void)
300 {
301 }
302 #endif
303 
304 int board_eth_init(bd_t *bis)
305 {
306 	int rc = 0;
307 #ifdef CONFIG_MACB
308 	rc = macb_eth_initialize(0, (void *) ATMEL_BASE_EMAC, 0x00);
309 #endif
310 	return rc;
311 }
312