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 <asm/io.h>
11 #include <asm/arch/at91sam9rl.h>
12 #include <asm/arch/at91sam9rl_matrix.h>
13 #include <asm/arch/at91sam9_smc.h>
14 #include <asm/arch/at91_common.h>
15 #include <asm/arch/at91_pmc.h>
16 #include <asm/arch/at91_rstc.h>
17 #include <asm/arch/clk.h>
18 #include <asm/arch/gpio.h>
19 
20 #include <lcd.h>
21 #include <atmel_lcdc.h>
22 #include <atmel_mci.h>
23 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
24 #include <net.h>
25 #endif
26 
27 DECLARE_GLOBAL_DATA_PTR;
28 
29 /* ------------------------------------------------------------------------- */
30 /*
31  * Miscelaneous platform dependent initialisations
32  */
33 
34 #ifdef CONFIG_CMD_NAND
35 static void at91sam9rlek_nand_hw_init(void)
36 {
37 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
38 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
39 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
40 	unsigned long csa;
41 
42 	/* Enable CS3 */
43 	csa = readl(&matrix->ebicsa);
44 	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
45 
46 	writel(csa, &matrix->ebicsa);
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 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
53 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
54 		&smc->cs[3].pulse);
55 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
56 		&smc->cs[3].cycle);
57 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
58 		AT91_SMC_MODE_EXNW_DISABLE |
59 #ifdef CONFIG_SYS_NAND_DBW_16
60 		AT91_SMC_MODE_DBW_16 |
61 #else /* CONFIG_SYS_NAND_DBW_8 */
62 		AT91_SMC_MODE_DBW_8 |
63 #endif
64 		AT91_SMC_MODE_TDF_CYCLE(2),
65 		&smc->cs[3].mode);
66 
67 	writel(1 << ATMEL_ID_PIOD, &pmc->pcer);
68 
69 	/* Configure RDY/BSY */
70 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
71 
72 	/* Enable NandFlash */
73 	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
74 
75 	at91_set_A_periph(AT91_PIN_PB4, 0);		/* NANDOE */
76 	at91_set_A_periph(AT91_PIN_PB5, 0);		/* NANDWE */
77 }
78 #endif
79 
80 #ifdef CONFIG_LCD
81 vidinfo_t panel_info = {
82 	.vl_col =		240,
83 	.vl_row =		320,
84 	.vl_clk =		4965000,
85 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
86 				ATMEL_LCDC_INVFRAME_INVERTED,
87 	.vl_bpix =		3,
88 	.vl_tft =		1,
89 	.vl_hsync_len =		5,
90 	.vl_left_margin =	1,
91 	.vl_right_margin =	33,
92 	.vl_vsync_len =		1,
93 	.vl_upper_margin =	1,
94 	.vl_lower_margin =	0,
95 	.mmio =			ATMEL_BASE_LCDC,
96 };
97 
98 void lcd_enable(void)
99 {
100 	at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
101 }
102 
103 void lcd_disable(void)
104 {
105 	at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
106 }
107 static void at91sam9rlek_lcd_hw_init(void)
108 {
109 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
110 
111 	at91_set_B_periph(AT91_PIN_PC1, 0);	/* LCDPWR */
112 	at91_set_A_periph(AT91_PIN_PC5, 0);	/* LCDHSYNC */
113 	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDDOTCK */
114 	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDDEN */
115 	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDCC */
116 	at91_set_B_periph(AT91_PIN_PC9, 0);	/* LCDD3 */
117 	at91_set_B_periph(AT91_PIN_PC10, 0);	/* LCDD4 */
118 	at91_set_B_periph(AT91_PIN_PC11, 0);	/* LCDD5 */
119 	at91_set_B_periph(AT91_PIN_PC12, 0);	/* LCDD6 */
120 	at91_set_B_periph(AT91_PIN_PC13, 0);	/* LCDD7 */
121 	at91_set_B_periph(AT91_PIN_PC15, 0);	/* LCDD11 */
122 	at91_set_B_periph(AT91_PIN_PC16, 0);	/* LCDD12 */
123 	at91_set_B_periph(AT91_PIN_PC17, 0);	/* LCDD13 */
124 	at91_set_B_periph(AT91_PIN_PC18, 0);	/* LCDD14 */
125 	at91_set_B_periph(AT91_PIN_PC19, 0);	/* LCDD15 */
126 	at91_set_B_periph(AT91_PIN_PC20, 0);	/* LCDD18 */
127 	at91_set_B_periph(AT91_PIN_PC21, 0);	/* LCDD19 */
128 	at91_set_B_periph(AT91_PIN_PC22, 0);	/* LCDD20 */
129 	at91_set_B_periph(AT91_PIN_PC23, 0);	/* LCDD21 */
130 	at91_set_B_periph(AT91_PIN_PC24, 0);	/* LCDD22 */
131 	at91_set_B_periph(AT91_PIN_PC25, 0);	/* LCDD23 */
132 
133 	writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
134 }
135 
136 #ifdef CONFIG_LCD_INFO
137 #include <nand.h>
138 #include <version.h>
139 
140 void lcd_show_board_info(void)
141 {
142 	ulong dram_size, nand_size;
143 	int i;
144 	char temp[32];
145 
146 	lcd_printf ("%s\n", U_BOOT_VERSION);
147 	lcd_printf ("(C) 2008 ATMEL Corp\n");
148 	lcd_printf ("at91support@atmel.com\n");
149 	lcd_printf ("%s CPU at %s MHz\n",
150 		ATMEL_CPU_NAME,
151 		strmhz(temp, get_cpu_clk_rate()));
152 
153 	dram_size = 0;
154 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
155 		dram_size += gd->bd->bi_dram[i].size;
156 	nand_size = 0;
157 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
158 		nand_size += nand_info[i].size;
159 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
160 		dram_size >> 20,
161 		nand_size >> 20 );
162 }
163 #endif /* CONFIG_LCD_INFO */
164 #endif
165 
166 #ifdef CONFIG_GENERIC_ATMEL_MCI
167 int board_mmc_init(bd_t *bis)
168 {
169 	at91_mci_hw_init();
170 
171 	return atmel_mci_init((void *)ATMEL_BASE_MCI);
172 }
173 #endif
174 
175 int board_early_init_f(void)
176 {
177 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
178 
179 	/* Enable clocks for all PIOs */
180 	writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
181 		(1 << ATMEL_ID_PIOC) | (1 << ATMEL_ID_PIOD),
182 		&pmc->pcer);
183 
184 	return 0;
185 }
186 
187 int board_init(void)
188 {
189 	/* arch number of AT91SAM9RLEK-Board */
190 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
191 	/* adress of boot parameters */
192 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
193 
194 	at91_seriald_hw_init();
195 #ifdef CONFIG_CMD_NAND
196 	at91sam9rlek_nand_hw_init();
197 #endif
198 #ifdef CONFIG_HAS_DATAFLASH
199 	at91_spi0_hw_init(1 << 0);
200 #endif
201 #ifdef CONFIG_LCD
202 	at91sam9rlek_lcd_hw_init();
203 #endif
204 	return 0;
205 }
206 
207 int dram_init(void)
208 {
209 	gd->ram_size = get_ram_size(
210 		(void *)CONFIG_SYS_SDRAM_BASE,
211 		CONFIG_SYS_SDRAM_SIZE);
212 	return 0;
213 }
214