xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision ad3098f7) 
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
6  * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <common.h>
12 #include <linux/sizes.h>
13 #include <asm/io.h>
14 #include <asm/gpio.h>
15 #include <asm/arch/at91sam9_smc.h>
16 #include <asm/arch/at91_common.h>
17 #include <asm/arch/at91_rstc.h>
18 #include <asm/arch/at91_matrix.h>
19 #include <asm/arch/clk.h>
20 #include <asm/arch/gpio.h>
21 
22 #include <lcd.h>
23 #include <atmel_lcdc.h>
24 #include <dataflash.h>
25 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
26 #include <net.h>
27 #endif
28 #include <netdev.h>
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
32 /* ------------------------------------------------------------------------- */
33 /*
34  * Miscelaneous platform dependent initialisations
35  */
36 
37 #ifdef CONFIG_CMD_NAND
38 static void pm9261_nand_hw_init(void)
39 {
40 	unsigned long csa;
41 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
42 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
43 
44 	/* Enable CS3 */
45 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
46 	writel(csa, &matrix->csa);
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 
60 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
61 		AT91_SMC_MODE_EXNW_DISABLE |
62 #ifdef CONFIG_SYS_NAND_DBW_16
63 		AT91_SMC_MODE_DBW_16 |
64 #else /* CONFIG_SYS_NAND_DBW_8 */
65 		AT91_SMC_MODE_DBW_8 |
66 #endif
67 		AT91_SMC_MODE_TDF_CYCLE(2),
68 		&smc->cs[3].mode);
69 
70 	at91_periph_clk_enable(ATMEL_ID_PIOA);
71 	at91_periph_clk_enable(ATMEL_ID_PIOC);
72 
73 	/* Configure RDY/BSY */
74 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
75 
76 	/* Enable NandFlash */
77 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
78 
79 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
80 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
81 }
82 #endif
83 
84 
85 #ifdef CONFIG_DRIVER_DM9000
86 static void pm9261_dm9000_hw_init(void)
87 {
88 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
89 
90 	/* Configure SMC CS2 for DM9000 */
91 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
92 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
93 		&smc->cs[2].setup);
94 
95 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
96 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
97 		&smc->cs[2].pulse);
98 
99 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
100 		&smc->cs[2].cycle);
101 
102 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
103 		AT91_SMC_MODE_EXNW_DISABLE |
104 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
105 		AT91_SMC_MODE_TDF_CYCLE(1),
106 		&smc->cs[2].mode);
107 
108 	/* Configure Interrupt pin as input, no pull-up */
109 	at91_periph_clk_enable(ATMEL_ID_PIOA);
110 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
111 }
112 #endif
113 
114 #ifdef CONFIG_LCD
115 vidinfo_t panel_info = {
116 	.vl_col =		240,
117 	.vl_row =		320,
118 	.vl_clk =		4965000,
119 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
120 				ATMEL_LCDC_INVFRAME_INVERTED,
121 	.vl_bpix =		3,
122 	.vl_tft =		1,
123 	.vl_hsync_len =		5,
124 	.vl_left_margin =	1,
125 	.vl_right_margin =	33,
126 	.vl_vsync_len =		1,
127 	.vl_upper_margin =	1,
128 	.vl_lower_margin =	0,
129 	.mmio =			ATMEL_BASE_LCDC,
130 };
131 
132 void lcd_enable(void)
133 {
134 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
135 }
136 
137 void lcd_disable(void)
138 {
139 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
140 }
141 
142 static void pm9261_lcd_hw_init(void)
143 {
144 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
145 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
146 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
147 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
148 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
149 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
150 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
151 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
152 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
153 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
154 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
155 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
156 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
157 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
158 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
159 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
160 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
161 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
162 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
163 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
164 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
165 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
166 
167 	at91_system_clk_enable(AT91_PMC_HCK1);
168 
169 	gd->fb_base = ATMEL_BASE_SRAM;
170 }
171 
172 #ifdef CONFIG_LCD_INFO
173 #include <nand.h>
174 #include <version.h>
175 
176 extern flash_info_t flash_info[];
177 
178 void lcd_show_board_info(void)
179 {
180 	ulong dram_size, nand_size, flash_size, dataflash_size;
181 	int i;
182 	char temp[32];
183 
184 	lcd_printf ("%s\n", U_BOOT_VERSION);
185 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
186 	lcd_printf ("support@ronetix.at\n");
187 	lcd_printf ("%s CPU at %s MHz",
188 		CONFIG_SYS_AT91_CPU_NAME,
189 		strmhz(temp, get_cpu_clk_rate()));
190 
191 	dram_size = 0;
192 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
193 		dram_size += gd->bd->bi_dram[i].size;
194 
195 	nand_size = 0;
196 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
197 		nand_size += nand_info[i].size;
198 
199 	flash_size = 0;
200 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
201 		flash_size += flash_info[i].size;
202 
203 	dataflash_size = 0;
204 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
205 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
206 				dataflash_info[i].Device.pages_size;
207 
208 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
209 			"%ld MB DataFlash\n",
210 		dram_size >> 20,
211 		nand_size >> 20,
212 		flash_size >> 20,
213 		dataflash_size >> 20);
214 }
215 #endif /* CONFIG_LCD_INFO */
216 
217 #endif /* CONFIG_LCD */
218 
219 int board_early_init_f(void)
220 {
221 	at91_periph_clk_enable(ATMEL_ID_PIOA);
222 	at91_periph_clk_enable(ATMEL_ID_PIOC);
223 
224 	at91_seriald_hw_init();
225 
226 	return 0;
227 }
228 
229 int board_init(void)
230 {
231 	/* arch number of PM9261-Board */
232 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
233 
234 	/* adress of boot parameters */
235 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
236 
237 #ifdef CONFIG_CMD_NAND
238 	pm9261_nand_hw_init();
239 #endif
240 #ifdef CONFIG_HAS_DATAFLASH
241 	at91_spi0_hw_init(1 << 0);
242 #endif
243 #ifdef CONFIG_DRIVER_DM9000
244 	pm9261_dm9000_hw_init();
245 #endif
246 #ifdef CONFIG_LCD
247 	pm9261_lcd_hw_init();
248 #endif
249 	return 0;
250 }
251 
252 #ifdef CONFIG_DRIVER_DM9000
253 int board_eth_init(bd_t *bis)
254 {
255 	return dm9000_initialize(bis);
256 }
257 #endif
258 
259 int dram_init(void)
260 {
261 	/* dram_init must store complete ramsize in gd->ram_size */
262 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
263 				PHYS_SDRAM_SIZE);
264 	return 0;
265 }
266 
267 void dram_init_banksize(void)
268 {
269 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
270 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
271 }
272 
273 #ifdef CONFIG_RESET_PHY_R
274 void reset_phy(void)
275 {
276 #ifdef CONFIG_DRIVER_DM9000
277 	/*
278 	 * Initialize ethernet HW addr prior to starting Linux,
279 	 * needed for nfsroot
280 	 */
281 	eth_init();
282 #endif
283 }
284 #endif
285 
286 #ifdef CONFIG_DISPLAY_BOARDINFO
287 int checkboard (void)
288 {
289 	char buf[32];
290 
291 	printf ("Board : Ronetix PM9261\n");
292 	printf ("Crystal frequency: %8s MHz\n",
293 					strmhz(buf, get_main_clk_rate()));
294 	printf ("CPU clock        : %8s MHz\n",
295 					strmhz(buf, get_cpu_clk_rate()));
296 	printf ("Master clock     : %8s MHz\n",
297 					strmhz(buf, get_mck_clk_rate()));
298 
299 	return 0;
300 }
301 #endif
302