1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2007-2008
4  * Stelian Pop <stelian@popies.net>
5  * Lead Tech Design <www.leadtechdesign.com>
6  */
7 
8 #include <common.h>
9 #include <debug_uart.h>
10 #include <asm/io.h>
11 #include <asm/arch/at91sam9261.h>
12 #include <asm/arch/at91sam9261_matrix.h>
13 #include <asm/arch/at91sam9_smc.h>
14 #include <asm/arch/at91_common.h>
15 #include <asm/arch/at91_rstc.h>
16 #include <asm/arch/clk.h>
17 #include <asm/arch/gpio.h>
18 #include <lcd.h>
19 #include <atmel_lcdc.h>
20 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
21 #include <net.h>
22 #include <netdev.h>
23 #endif
24 #include <asm/mach-types.h>
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 /* ------------------------------------------------------------------------- */
29 /*
30  * Miscelaneous platform dependent initialisations
31  */
32 
33 #ifdef CONFIG_CMD_NAND
34 static void at91sam9261ek_nand_hw_init(void)
35 {
36 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
37 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
38 	unsigned long csa;
39 
40 	/* Enable CS3 */
41 	csa = readl(&matrix->ebicsa);
42 	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
43 
44 	writel(csa, &matrix->ebicsa);
45 
46 	/* Configure SMC CS3 for NAND/SmartMedia */
47 #ifdef CONFIG_AT91SAM9G10EK
48 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
49 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
50 		&smc->cs[3].setup);
51 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(7) |
52 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(7),
53 		&smc->cs[3].pulse);
54 	writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
55 		&smc->cs[3].cycle);
56 #else
57 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
58 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
59 		&smc->cs[3].setup);
60 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
61 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
62 		&smc->cs[3].pulse);
63 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
64 		&smc->cs[3].cycle);
65 #endif
66 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
67 		       AT91_SMC_MODE_EXNW_DISABLE |
68 #ifdef CONFIG_SYS_NAND_DBW_16
69 		       AT91_SMC_MODE_DBW_16 |
70 #else /* CONFIG_SYS_NAND_DBW_8 */
71 		       AT91_SMC_MODE_DBW_8 |
72 #endif
73 		       AT91_SMC_MODE_TDF_CYCLE(2),
74 		       &smc->cs[3].mode);
75 
76 	at91_periph_clk_enable(ATMEL_ID_PIOC);
77 
78 	/* Configure RDY/BSY */
79 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
80 
81 	/* Enable NandFlash */
82 	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
83 
84 	at91_set_A_periph(AT91_PIN_PC0, 0);	/* NANDOE */
85 	at91_set_A_periph(AT91_PIN_PC1, 0);	/* NANDWE */
86 }
87 #endif
88 
89 #ifdef CONFIG_DRIVER_DM9000
90 static void at91sam9261ek_dm9000_hw_init(void)
91 {
92 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
93 
94 	/* Configure SMC CS2 for DM9000 */
95 #ifdef CONFIG_AT91SAM9G10EK
96 	writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) |
97 		AT91_SMC_SETUP_NRD(3) | AT91_SMC_SETUP_NCS_RD(0),
98 		&smc->cs[2].setup);
99 	writel(AT91_SMC_PULSE_NWE(6) | AT91_SMC_PULSE_NCS_WR(8) |
100 		AT91_SMC_PULSE_NRD(6) | AT91_SMC_PULSE_NCS_RD(8),
101 		&smc->cs[2].pulse);
102 	writel(AT91_SMC_CYCLE_NWE(20) | AT91_SMC_CYCLE_NRD(20),
103 		&smc->cs[2].cycle);
104 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
105 		       AT91_SMC_MODE_EXNW_DISABLE |
106 		       AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
107 		       AT91_SMC_MODE_TDF_CYCLE(1),
108 		       &smc->cs[2].mode);
109 #else
110 	writel(AT91_SMC_SETUP_NWE(3) | AT91_SMC_SETUP_NCS_WR(0) |
111 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
112 		&smc->cs[2].setup);
113 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
114 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
115 		&smc->cs[2].pulse);
116 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
117 		&smc->cs[2].cycle);
118 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
119 		       AT91_SMC_MODE_EXNW_DISABLE |
120 		       AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
121 		       AT91_SMC_MODE_TDF_CYCLE(1),
122 		       &smc->cs[2].mode);
123 #endif
124 
125 	/* Configure Reset signal as output */
126 	at91_set_gpio_output(AT91_PIN_PC10, 0);
127 
128 	/* Configure Interrupt pin as input, no pull-up */
129 	at91_set_gpio_input(AT91_PIN_PC11, 0);
130 }
131 #endif
132 
133 #ifdef CONFIG_LCD
134 vidinfo_t panel_info = {
135 	.vl_col =		240,
136 	.vl_row =		320,
137 	.vl_clk =		4965000,
138 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
139 				ATMEL_LCDC_INVFRAME_INVERTED,
140 	.vl_bpix =		3,
141 	.vl_tft =		1,
142 	.vl_hsync_len =		5,
143 	.vl_left_margin =	1,
144 	.vl_right_margin =	33,
145 	.vl_vsync_len =		1,
146 	.vl_upper_margin =	1,
147 	.vl_lower_margin =	0,
148 	.mmio =			ATMEL_BASE_LCDC,
149 };
150 
151 void lcd_enable(void)
152 {
153 	at91_set_gpio_value(AT91_PIN_PA12, 0);  /* power up */
154 }
155 
156 void lcd_disable(void)
157 {
158 	at91_set_gpio_value(AT91_PIN_PA12, 1);  /* power down */
159 }
160 
161 static void at91sam9261ek_lcd_hw_init(void)
162 {
163 	at91_set_A_periph(AT91_PIN_PB1, 0);	/* LCDHSYNC */
164 	at91_set_A_periph(AT91_PIN_PB2, 0);	/* LCDDOTCK */
165 	at91_set_A_periph(AT91_PIN_PB3, 0);	/* LCDDEN */
166 	at91_set_A_periph(AT91_PIN_PB4, 0);	/* LCDCC */
167 	at91_set_A_periph(AT91_PIN_PB7, 0);	/* LCDD2 */
168 	at91_set_A_periph(AT91_PIN_PB8, 0);	/* LCDD3 */
169 	at91_set_A_periph(AT91_PIN_PB9, 0);	/* LCDD4 */
170 	at91_set_A_periph(AT91_PIN_PB10, 0);	/* LCDD5 */
171 	at91_set_A_periph(AT91_PIN_PB11, 0);	/* LCDD6 */
172 	at91_set_A_periph(AT91_PIN_PB12, 0);	/* LCDD7 */
173 	at91_set_A_periph(AT91_PIN_PB15, 0);	/* LCDD10 */
174 	at91_set_A_periph(AT91_PIN_PB16, 0);	/* LCDD11 */
175 	at91_set_A_periph(AT91_PIN_PB17, 0);	/* LCDD12 */
176 	at91_set_A_periph(AT91_PIN_PB18, 0);	/* LCDD13 */
177 	at91_set_A_periph(AT91_PIN_PB19, 0);	/* LCDD14 */
178 	at91_set_A_periph(AT91_PIN_PB20, 0);	/* LCDD15 */
179 	at91_set_B_periph(AT91_PIN_PB23, 0);	/* LCDD18 */
180 	at91_set_B_periph(AT91_PIN_PB24, 0);	/* LCDD19 */
181 	at91_set_B_periph(AT91_PIN_PB25, 0);	/* LCDD20 */
182 	at91_set_B_periph(AT91_PIN_PB26, 0);	/* LCDD21 */
183 	at91_set_B_periph(AT91_PIN_PB27, 0);	/* LCDD22 */
184 	at91_set_B_periph(AT91_PIN_PB28, 0);	/* LCDD23 */
185 
186 	at91_system_clk_enable(AT91_PMC_HCK1);
187 
188 	/* For 9G10EK, let U-Boot allocate the framebuffer in SDRAM */
189 #ifdef CONFIG_AT91SAM9261EK
190 	gd->fb_base = ATMEL_BASE_SRAM;
191 #endif
192 }
193 
194 #ifdef CONFIG_LCD_INFO
195 #include <nand.h>
196 #include <version.h>
197 
198 void lcd_show_board_info(void)
199 {
200 	ulong dram_size, nand_size;
201 	int i;
202 	char temp[32];
203 
204 	lcd_printf ("%s\n", U_BOOT_VERSION);
205 	lcd_printf ("(C) 2008 ATMEL Corp\n");
206 	lcd_printf ("at91support@atmel.com\n");
207 	lcd_printf ("%s CPU at %s MHz\n",
208 		ATMEL_CPU_NAME,
209 		strmhz(temp, get_cpu_clk_rate()));
210 
211 	dram_size = 0;
212 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
213 		dram_size += gd->bd->bi_dram[i].size;
214 	nand_size = 0;
215 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
216 		nand_size += get_nand_dev_by_index(i)->size;
217 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
218 		dram_size >> 20,
219 		nand_size >> 20 );
220 }
221 #endif /* CONFIG_LCD_INFO */
222 #endif
223 
224 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
225 void board_debug_uart_init(void)
226 {
227 	at91_seriald_hw_init();
228 }
229 #endif
230 
231 #ifdef CONFIG_BOARD_EARLY_INIT_F
232 int board_early_init_f(void)
233 {
234 #ifdef CONFIG_DEBUG_UART
235 	debug_uart_init();
236 #endif
237 	return 0;
238 }
239 #endif
240 
241 int board_init(void)
242 {
243 #ifdef CONFIG_AT91SAM9G10EK
244 	/* arch number of AT91SAM9G10EK-Board */
245 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G10EK;
246 #else
247 	/* arch number of AT91SAM9261EK-Board */
248 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK;
249 #endif
250 	/* adress of boot parameters */
251 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
252 
253 #ifdef CONFIG_CMD_NAND
254 	at91sam9261ek_nand_hw_init();
255 #endif
256 #ifdef CONFIG_DRIVER_DM9000
257 	at91sam9261ek_dm9000_hw_init();
258 #endif
259 #ifdef CONFIG_LCD
260 	at91sam9261ek_lcd_hw_init();
261 #endif
262 	return 0;
263 }
264 
265 #ifdef CONFIG_DRIVER_DM9000
266 int board_eth_init(bd_t *bis)
267 {
268 	return dm9000_initialize(bis);
269 }
270 #endif
271 
272 int dram_init(void)
273 {
274 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
275 		CONFIG_SYS_SDRAM_SIZE);
276 
277 	return 0;
278 }
279 
280 #ifdef CONFIG_RESET_PHY_R
281 void reset_phy(void)
282 {
283 #ifdef CONFIG_DRIVER_DM9000
284 	/*
285 	 * Initialize ethernet HW addr prior to starting Linux,
286 	 * needed for nfsroot
287 	 */
288 	eth_init();
289 #endif
290 }
291 #endif
292