xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision 2ecba112) 
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 #include <asm/mach-types.h>
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 /* ------------------------------------------------------------------------- */
34 /*
35  * Miscelaneous platform dependent initialisations
36  */
37 
38 #ifdef CONFIG_CMD_NAND
39 static void pm9261_nand_hw_init(void)
40 {
41 	unsigned long csa;
42 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
43 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
44 
45 	/* Enable CS3 */
46 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
47 	writel(csa, &matrix->csa);
48 
49 	/* Configure SMC CS3 for NAND/SmartMedia */
50 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
51 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
52 		&smc->cs[3].setup);
53 
54 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
55 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
56 		&smc->cs[3].pulse);
57 
58 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
59 		&smc->cs[3].cycle);
60 
61 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
62 		AT91_SMC_MODE_EXNW_DISABLE |
63 #ifdef CONFIG_SYS_NAND_DBW_16
64 		AT91_SMC_MODE_DBW_16 |
65 #else /* CONFIG_SYS_NAND_DBW_8 */
66 		AT91_SMC_MODE_DBW_8 |
67 #endif
68 		AT91_SMC_MODE_TDF_CYCLE(2),
69 		&smc->cs[3].mode);
70 
71 	at91_periph_clk_enable(ATMEL_ID_PIOA);
72 	at91_periph_clk_enable(ATMEL_ID_PIOC);
73 
74 	/* Configure RDY/BSY */
75 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
76 
77 	/* Enable NandFlash */
78 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
79 
80 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
81 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
82 }
83 #endif
84 
85 
86 #ifdef CONFIG_DRIVER_DM9000
87 static void pm9261_dm9000_hw_init(void)
88 {
89 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
90 
91 	/* Configure SMC CS2 for DM9000 */
92 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
93 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
94 		&smc->cs[2].setup);
95 
96 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
97 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
98 		&smc->cs[2].pulse);
99 
100 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
101 		&smc->cs[2].cycle);
102 
103 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
104 		AT91_SMC_MODE_EXNW_DISABLE |
105 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
106 		AT91_SMC_MODE_TDF_CYCLE(1),
107 		&smc->cs[2].mode);
108 
109 	/* Configure Interrupt pin as input, no pull-up */
110 	at91_periph_clk_enable(ATMEL_ID_PIOA);
111 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
112 }
113 #endif
114 
115 #ifdef CONFIG_LCD
116 vidinfo_t panel_info = {
117 	.vl_col =		240,
118 	.vl_row =		320,
119 	.vl_clk =		4965000,
120 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
121 				ATMEL_LCDC_INVFRAME_INVERTED,
122 	.vl_bpix =		3,
123 	.vl_tft =		1,
124 	.vl_hsync_len =		5,
125 	.vl_left_margin =	1,
126 	.vl_right_margin =	33,
127 	.vl_vsync_len =		1,
128 	.vl_upper_margin =	1,
129 	.vl_lower_margin =	0,
130 	.mmio =			ATMEL_BASE_LCDC,
131 };
132 
133 void lcd_enable(void)
134 {
135 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
136 }
137 
138 void lcd_disable(void)
139 {
140 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
141 }
142 
143 static void pm9261_lcd_hw_init(void)
144 {
145 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
146 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
147 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
148 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
149 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
150 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
151 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
152 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
153 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
154 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
155 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
156 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
157 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
158 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
159 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
160 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
161 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
162 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
163 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
164 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
165 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
166 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
167 
168 	at91_system_clk_enable(AT91_PMC_HCK1);
169 
170 	gd->fb_base = ATMEL_BASE_SRAM;
171 }
172 
173 #ifdef CONFIG_LCD_INFO
174 #include <nand.h>
175 #include <version.h>
176 
177 extern flash_info_t flash_info[];
178 
179 void lcd_show_board_info(void)
180 {
181 	ulong dram_size, nand_size, flash_size, dataflash_size;
182 	int i;
183 	char temp[32];
184 
185 	lcd_printf ("%s\n", U_BOOT_VERSION);
186 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
187 	lcd_printf ("support@ronetix.at\n");
188 	lcd_printf ("%s CPU at %s MHz",
189 		CONFIG_SYS_AT91_CPU_NAME,
190 		strmhz(temp, get_cpu_clk_rate()));
191 
192 	dram_size = 0;
193 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
194 		dram_size += gd->bd->bi_dram[i].size;
195 
196 	nand_size = 0;
197 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
198 		nand_size += get_nand_dev_by_index(i)->size;
199 
200 	flash_size = 0;
201 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
202 		flash_size += flash_info[i].size;
203 
204 	dataflash_size = 0;
205 	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
206 		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
207 				dataflash_info[i].Device.pages_size;
208 
209 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
210 			"%ld MB DataFlash\n",
211 		dram_size >> 20,
212 		nand_size >> 20,
213 		flash_size >> 20,
214 		dataflash_size >> 20);
215 }
216 #endif /* CONFIG_LCD_INFO */
217 
218 #endif /* CONFIG_LCD */
219 
220 int board_early_init_f(void)
221 {
222 	at91_periph_clk_enable(ATMEL_ID_PIOA);
223 	at91_periph_clk_enable(ATMEL_ID_PIOC);
224 
225 	at91_seriald_hw_init();
226 
227 	return 0;
228 }
229 
230 int board_init(void)
231 {
232 	/* arch number of PM9261-Board */
233 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
234 
235 	/* adress of boot parameters */
236 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
237 
238 #ifdef CONFIG_CMD_NAND
239 	pm9261_nand_hw_init();
240 #endif
241 #ifdef CONFIG_HAS_DATAFLASH
242 	at91_spi0_hw_init(1 << 0);
243 #endif
244 #ifdef CONFIG_DRIVER_DM9000
245 	pm9261_dm9000_hw_init();
246 #endif
247 #ifdef CONFIG_LCD
248 	pm9261_lcd_hw_init();
249 #endif
250 	return 0;
251 }
252 
253 #ifdef CONFIG_DRIVER_DM9000
254 int board_eth_init(bd_t *bis)
255 {
256 	return dm9000_initialize(bis);
257 }
258 #endif
259 
260 int dram_init(void)
261 {
262 	/* dram_init must store complete ramsize in gd->ram_size */
263 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
264 				PHYS_SDRAM_SIZE);
265 	return 0;
266 }
267 
268 int dram_init_banksize(void)
269 {
270 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
271 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
272 
273 	return 0;
274 }
275 
276 #ifdef CONFIG_RESET_PHY_R
277 void reset_phy(void)
278 {
279 #ifdef CONFIG_DRIVER_DM9000
280 	/*
281 	 * Initialize ethernet HW addr prior to starting Linux,
282 	 * needed for nfsroot
283 	 */
284 	eth_init();
285 #endif
286 }
287 #endif
288 
289 #ifdef CONFIG_DISPLAY_BOARDINFO
290 int checkboard (void)
291 {
292 	char buf[32];
293 
294 	printf ("Board : Ronetix PM9261\n");
295 	printf ("Crystal frequency: %8s MHz\n",
296 					strmhz(buf, get_main_clk_rate()));
297 	printf ("CPU clock        : %8s MHz\n",
298 					strmhz(buf, get_cpu_clk_rate()));
299 	printf ("Master clock     : %8s MHz\n",
300 					strmhz(buf, get_mck_clk_rate()));
301 
302 	return 0;
303 }
304 #endif
305