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/io.h>
27 #include <asm/arch/at91sam9rl.h>
28 #include <asm/arch/at91sam9rl_matrix.h>
29 #include <asm/arch/at91sam9_smc.h>
30 #include <asm/arch/at91_common.h>
31 #include <asm/arch/at91_pmc.h>
32 #include <asm/arch/at91_rstc.h>
33 #include <asm/arch/clk.h>
34 #include <asm/arch/gpio.h>
35 
36 #include <lcd.h>
37 #include <atmel_lcdc.h>
38 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
39 #include <net.h>
40 #endif
41 
42 DECLARE_GLOBAL_DATA_PTR;
43 
44 /* ------------------------------------------------------------------------- */
45 /*
46  * Miscelaneous platform dependent initialisations
47  */
48 
49 #ifdef CONFIG_CMD_NAND
50 static void at91sam9rlek_nand_hw_init(void)
51 {
52 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
53 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
54 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
55 	unsigned long csa;
56 
57 	/* Enable CS3 */
58 	csa = readl(&matrix->ebicsa);
59 	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
60 
61 	writel(csa, &matrix->ebicsa);
62 
63 	/* Configure SMC CS3 for NAND/SmartMedia */
64 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
65 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
66 		&smc->cs[3].setup);
67 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
68 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
69 		&smc->cs[3].pulse);
70 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
71 		&smc->cs[3].cycle);
72 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
73 		AT91_SMC_MODE_EXNW_DISABLE |
74 #ifdef CONFIG_SYS_NAND_DBW_16
75 		AT91_SMC_MODE_DBW_16 |
76 #else /* CONFIG_SYS_NAND_DBW_8 */
77 		AT91_SMC_MODE_DBW_8 |
78 #endif
79 		AT91_SMC_MODE_TDF_CYCLE(2),
80 		&smc->cs[3].mode);
81 
82 	writel(1 << ATMEL_ID_PIOD, &pmc->pcer);
83 
84 	/* Configure RDY/BSY */
85 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
86 
87 	/* Enable NandFlash */
88 	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
89 
90 	at91_set_A_periph(AT91_PIN_PB4, 0);		/* NANDOE */
91 	at91_set_A_periph(AT91_PIN_PB5, 0);		/* NANDWE */
92 }
93 #endif
94 
95 #ifdef CONFIG_LCD
96 vidinfo_t panel_info = {
97 	vl_col:		240,
98 	vl_row:		320,
99 	vl_clk:		4965000,
100 	vl_sync:	ATMEL_LCDC_INVLINE_INVERTED |
101 			ATMEL_LCDC_INVFRAME_INVERTED,
102 	vl_bpix:	3,
103 	vl_tft:		1,
104 	vl_hsync_len:	5,
105 	vl_left_margin:	1,
106 	vl_right_margin:33,
107 	vl_vsync_len:	1,
108 	vl_upper_margin:1,
109 	vl_lower_margin:0,
110 	mmio:		ATMEL_BASE_LCDC,
111 };
112 
113 void lcd_enable(void)
114 {
115 	at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
116 }
117 
118 void lcd_disable(void)
119 {
120 	at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
121 }
122 static void at91sam9rlek_lcd_hw_init(void)
123 {
124 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
125 
126 	at91_set_B_periph(AT91_PIN_PC1, 0);	/* LCDPWR */
127 	at91_set_A_periph(AT91_PIN_PC5, 0);	/* LCDHSYNC */
128 	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDDOTCK */
129 	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDDEN */
130 	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDCC */
131 	at91_set_B_periph(AT91_PIN_PC9, 0);	/* LCDD3 */
132 	at91_set_B_periph(AT91_PIN_PC10, 0);	/* LCDD4 */
133 	at91_set_B_periph(AT91_PIN_PC11, 0);	/* LCDD5 */
134 	at91_set_B_periph(AT91_PIN_PC12, 0);	/* LCDD6 */
135 	at91_set_B_periph(AT91_PIN_PC13, 0);	/* LCDD7 */
136 	at91_set_B_periph(AT91_PIN_PC15, 0);	/* LCDD11 */
137 	at91_set_B_periph(AT91_PIN_PC16, 0);	/* LCDD12 */
138 	at91_set_B_periph(AT91_PIN_PC17, 0);	/* LCDD13 */
139 	at91_set_B_periph(AT91_PIN_PC18, 0);	/* LCDD14 */
140 	at91_set_B_periph(AT91_PIN_PC19, 0);	/* LCDD15 */
141 	at91_set_B_periph(AT91_PIN_PC20, 0);	/* LCDD18 */
142 	at91_set_B_periph(AT91_PIN_PC21, 0);	/* LCDD19 */
143 	at91_set_B_periph(AT91_PIN_PC22, 0);	/* LCDD20 */
144 	at91_set_B_periph(AT91_PIN_PC23, 0);	/* LCDD21 */
145 	at91_set_B_periph(AT91_PIN_PC24, 0);	/* LCDD22 */
146 	at91_set_B_periph(AT91_PIN_PC25, 0);	/* LCDD23 */
147 
148 	writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
149 }
150 
151 #ifdef CONFIG_LCD_INFO
152 #include <nand.h>
153 #include <version.h>
154 
155 void lcd_show_board_info(void)
156 {
157 	ulong dram_size, nand_size;
158 	int i;
159 	char temp[32];
160 
161 	lcd_printf ("%s\n", U_BOOT_VERSION);
162 	lcd_printf ("(C) 2008 ATMEL Corp\n");
163 	lcd_printf ("at91support@atmel.com\n");
164 	lcd_printf ("%s CPU at %s MHz\n",
165 		ATMEL_CPU_NAME,
166 		strmhz(temp, get_cpu_clk_rate()));
167 
168 	dram_size = 0;
169 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
170 		dram_size += gd->bd->bi_dram[i].size;
171 	nand_size = 0;
172 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
173 		nand_size += nand_info[i].size;
174 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
175 		dram_size >> 20,
176 		nand_size >> 20 );
177 }
178 #endif /* CONFIG_LCD_INFO */
179 #endif
180 
181 int board_early_init_f(void)
182 {
183 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
184 
185 	/* Enable clocks for all PIOs */
186 	writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
187 		(1 << ATMEL_ID_PIOC) | (1 << ATMEL_ID_PIOD),
188 		&pmc->pcer);
189 
190 	return 0;
191 }
192 
193 int board_init(void)
194 {
195 	/* Enable Ctrlc */
196 	console_init_f();
197 
198 	/* arch number of AT91SAM9RLEK-Board */
199 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
200 	/* adress of boot parameters */
201 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
202 
203 	at91_seriald_hw_init();
204 #ifdef CONFIG_CMD_NAND
205 	at91sam9rlek_nand_hw_init();
206 #endif
207 #ifdef CONFIG_HAS_DATAFLASH
208 	at91_spi0_hw_init(1 << 0);
209 #endif
210 #ifdef CONFIG_LCD
211 	at91sam9rlek_lcd_hw_init();
212 #endif
213 	return 0;
214 }
215 
216 int dram_init(void)
217 {
218 	gd->ram_size = get_ram_size(
219 		(void *)CONFIG_SYS_SDRAM_BASE,
220 		CONFIG_SYS_SDRAM_SIZE);
221 	return 0;
222 }
223