1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <linux/sizes.h>
11 #include <asm/arch/at91sam9263.h>
12 #include <asm/arch/at91sam9_smc.h>
13 #include <asm/arch/at91_common.h>
14 #include <asm/arch/at91_matrix.h>
15 #include <asm/arch/at91_pio.h>
16 #include <asm/arch/clk.h>
17 #include <asm/io.h>
18 #include <asm/arch/gpio.h>
19 #include <asm/arch/hardware.h>
20 #include <lcd.h>
21 #include <atmel_lcdc.h>
22 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
23 #include <net.h>
24 #endif
25 #include <netdev.h>
26 #include <atmel_mci.h>
27 
28 DECLARE_GLOBAL_DATA_PTR;
29 
30 /* ------------------------------------------------------------------------- */
31 /*
32  * Miscelaneous platform dependent initialisations
33  */
34 
35 #ifdef CONFIG_CMD_NAND
36 static void at91sam9263ek_nand_hw_init(void)
37 {
38 	unsigned long csa;
39 	at91_smc_t    *smc    = (at91_smc_t *) ATMEL_BASE_SMC0;
40 	at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
41 
42 	/* Enable CS3 */
43 	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
44 	writel(csa, &matrix->csa[0]);
45 
46 	/* Enable CS3 */
47 
48 	/* Configure SMC CS3 for NAND/SmartMedia */
49 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
50 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
51 		&smc->cs[3].setup);
52 
53 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
54 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
55 		&smc->cs[3].pulse);
56 
57 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
58 		&smc->cs[3].cycle);
59 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
60 		AT91_SMC_MODE_EXNW_DISABLE |
61 #ifdef CONFIG_SYS_NAND_DBW_16
62 		       AT91_SMC_MODE_DBW_16 |
63 #else /* CONFIG_SYS_NAND_DBW_8 */
64 		       AT91_SMC_MODE_DBW_8 |
65 #endif
66 		       AT91_SMC_MODE_TDF_CYCLE(2),
67 		&smc->cs[3].mode);
68 
69 	at91_periph_clk_enable(ATMEL_ID_PIOA);
70 	at91_periph_clk_enable(ATMEL_ID_PIOCDE);
71 
72 	/* Configure RDY/BSY */
73 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
74 
75 	/* Enable NandFlash */
76 	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
77 }
78 #endif
79 
80 #ifdef CONFIG_MACB
81 static void at91sam9263ek_macb_hw_init(void)
82 {
83 	at91_pio_t	*pio	= (at91_pio_t *) ATMEL_BASE_PIO;
84 
85 	at91_periph_clk_enable(ATMEL_ID_EMAC);
86 
87 	/*
88 	 * Disable pull-up on:
89 	 *	RXDV (PC25) => PHY normal mode (not Test mode)
90 	 * 	ERX0 (PE25) => PHY ADDR0
91 	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
92 	 *
93 	 * PHY has internal pull-down
94 	 */
95 	writel(1 << 25, &pio->pioc.pudr);
96 	writel((1 << 25) | (1 <<26), &pio->pioe.pudr);
97 
98 	at91_phy_reset();
99 
100 	/* Re-enable pull-up */
101 	writel(1 << 25, &pio->pioc.puer);
102 	writel((1 << 25) | (1 <<26), &pio->pioe.puer);
103 
104 	at91_macb_hw_init();
105 }
106 #endif
107 
108 #ifdef CONFIG_LCD
109 vidinfo_t panel_info = {
110 	.vl_col =		240,
111 	.vl_row =		320,
112 	.vl_clk =		4965000,
113 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
114 				ATMEL_LCDC_INVFRAME_INVERTED,
115 	.vl_bpix =		3,
116 	.vl_tft =		1,
117 	.vl_hsync_len =		5,
118 	.vl_left_margin =	1,
119 	.vl_right_margin =	33,
120 	.vl_vsync_len =		1,
121 	.vl_upper_margin =	1,
122 	.vl_lower_margin =	0,
123 	.mmio =			ATMEL_BASE_LCDC,
124 };
125 
126 void lcd_enable(void)
127 {
128 	at91_set_pio_value(AT91_PIO_PORTA, 30, 1);  /* power up */
129 }
130 
131 void lcd_disable(void)
132 {
133 	at91_set_pio_value(AT91_PIO_PORTA, 30, 0);  /* power down */
134 }
135 
136 static void at91sam9263ek_lcd_hw_init(void)
137 {
138 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
139 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
140 	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDDEN */
141 	at91_set_b_periph(AT91_PIO_PORTB, 9, 0);	/* LCDCC */
142 	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD2 */
143 	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD3 */
144 	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD4 */
145 	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD5 */
146 	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD6 */
147 	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD7 */
148 	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD10 */
149 	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD11 */
150 	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD12 */
151 	at91_set_b_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD13 */
152 	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD14 */
153 	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD15 */
154 	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD18 */
155 	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD19 */
156 	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDD20 */
157 	at91_set_b_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD21 */
158 	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDD22 */
159 	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDD23 */
160 
161 	at91_periph_clk_enable(ATMEL_ID_LCDC);
162 	gd->fb_base = ATMEL_BASE_SRAM0;
163 }
164 
165 #ifdef CONFIG_LCD_INFO
166 #include <nand.h>
167 #include <version.h>
168 
169 #ifndef CONFIG_SYS_NO_FLASH
170 extern flash_info_t flash_info[];
171 #endif
172 
173 void lcd_show_board_info(void)
174 {
175 	ulong dram_size, nand_size;
176 #ifndef CONFIG_SYS_NO_FLASH
177 	ulong flash_size;
178 #endif
179 	int i;
180 	char temp[32];
181 
182 	lcd_printf ("%s\n", U_BOOT_VERSION);
183 	lcd_printf ("(C) 2008 ATMEL Corp\n");
184 	lcd_printf ("at91support@atmel.com\n");
185 	lcd_printf ("%s CPU at %s MHz\n",
186 		ATMEL_CPU_NAME,
187 		strmhz(temp, get_cpu_clk_rate()));
188 
189 	dram_size = 0;
190 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
191 		dram_size += gd->bd->bi_dram[i].size;
192 	nand_size = 0;
193 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
194 		nand_size += nand_info[i].size;
195 #ifndef CONFIG_SYS_NO_FLASH
196 	flash_size = 0;
197 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
198 		flash_size += flash_info[i].size;
199 #endif
200 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND",
201 		dram_size >> 20,
202 		nand_size >> 20 );
203 #ifndef CONFIG_SYS_NO_FLASH
204 	lcd_printf (",\n  %ld MB NOR",
205 		flash_size >> 20);
206 #endif
207 	lcd_puts ("\n");
208 }
209 #endif /* CONFIG_LCD_INFO */
210 #endif
211 
212 #ifdef CONFIG_GENERIC_ATMEL_MCI
213 int board_mmc_init(bd_t *bd)
214 {
215 	at91_mci_hw_init();
216 
217 	return atmel_mci_init((void *)ATMEL_BASE_MCI1);
218 }
219 #endif
220 
221 int board_early_init_f(void)
222 {
223 	at91_periph_clk_enable(ATMEL_ID_PIOA);
224 	at91_periph_clk_enable(ATMEL_ID_PIOB);
225 	at91_periph_clk_enable(ATMEL_ID_PIOCDE);
226 
227 	at91_seriald_hw_init();
228 	return 0;
229 }
230 
231 int board_init(void)
232 {
233 	/* arch number of AT91SAM9263EK-Board */
234 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK;
235 	/* adress of boot parameters */
236 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
237 
238 #ifdef CONFIG_CMD_NAND
239 	at91sam9263ek_nand_hw_init();
240 #endif
241 #ifdef CONFIG_HAS_DATAFLASH
242 	at91_set_pio_output(AT91_PIO_PORTE, 20, 1);	/* select spi0 clock */
243 	at91_spi0_hw_init(1 << 0);
244 #endif
245 #ifdef CONFIG_MACB
246 	at91sam9263ek_macb_hw_init();
247 #endif
248 #ifdef CONFIG_USB_OHCI_NEW
249 	at91_uhp_hw_init();
250 #endif
251 #ifdef CONFIG_LCD
252 	at91sam9263ek_lcd_hw_init();
253 #endif
254 	return 0;
255 }
256 
257 int dram_init(void)
258 {
259 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
260 		CONFIG_SYS_SDRAM_SIZE);
261 
262 	return 0;
263 }
264 
265 #ifdef CONFIG_RESET_PHY_R
266 void reset_phy(void)
267 {
268 }
269 #endif
270 
271 int board_eth_init(bd_t *bis)
272 {
273 	int rc = 0;
274 #ifdef CONFIG_MACB
275 	rc = macb_eth_initialize(0, (void *) ATMEL_BASE_EMAC, 0x00);
276 #endif
277 	return rc;
278 }
279