xref: /openbmc/u-boot/board/ronetix/pm9261/pm9261.c (revision ae485b54)
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  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
7  * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
8  */
9 
10 #include <common.h>
11 #include <linux/sizes.h>
12 #include <asm/io.h>
13 #include <asm/gpio.h>
14 #include <asm/arch/at91sam9_smc.h>
15 #include <asm/arch/at91_common.h>
16 #include <asm/arch/at91_rstc.h>
17 #include <asm/arch/at91_matrix.h>
18 #include <asm/arch/clk.h>
19 #include <asm/arch/gpio.h>
20 
21 #include <lcd.h>
22 #include <atmel_lcdc.h>
23 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
24 #include <net.h>
25 #endif
26 #include <netdev.h>
27 #include <asm/mach-types.h>
28 
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 /* ------------------------------------------------------------------------- */
32 /*
33  * Miscelaneous platform dependent initialisations
34  */
35 
36 #ifdef CONFIG_CMD_NAND
37 static void pm9261_nand_hw_init(void)
38 {
39 	unsigned long csa;
40 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
41 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
42 
43 	/* Enable CS3 */
44 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
45 	writel(csa, &matrix->csa);
46 
47 	/* Configure SMC CS3 for NAND/SmartMedia */
48 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
49 		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
50 		&smc->cs[3].setup);
51 
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 
56 	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
57 		&smc->cs[3].cycle);
58 
59 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
60 		AT91_SMC_MODE_EXNW_DISABLE |
61 #ifdef CONFIG_SYS_NAND_DBW_16
62 		AT91_SMC_MODE_DBW_16 |
63 #else /* CONFIG_SYS_NAND_DBW_8 */
64 		AT91_SMC_MODE_DBW_8 |
65 #endif
66 		AT91_SMC_MODE_TDF_CYCLE(2),
67 		&smc->cs[3].mode);
68 
69 	at91_periph_clk_enable(ATMEL_ID_PIOA);
70 	at91_periph_clk_enable(ATMEL_ID_PIOC);
71 
72 	/* Configure RDY/BSY */
73 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
74 
75 	/* Enable NandFlash */
76 	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
77 
78 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* NANDOE */
79 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* NANDWE */
80 }
81 #endif
82 
83 
84 #ifdef CONFIG_DRIVER_DM9000
85 static void pm9261_dm9000_hw_init(void)
86 {
87 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
88 
89 	/* Configure SMC CS2 for DM9000 */
90 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
91 		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
92 		&smc->cs[2].setup);
93 
94 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
95 		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
96 		&smc->cs[2].pulse);
97 
98 	writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
99 		&smc->cs[2].cycle);
100 
101 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
102 		AT91_SMC_MODE_EXNW_DISABLE |
103 		AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
104 		AT91_SMC_MODE_TDF_CYCLE(1),
105 		&smc->cs[2].mode);
106 
107 	/* Configure Interrupt pin as input, no pull-up */
108 	at91_periph_clk_enable(ATMEL_ID_PIOA);
109 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
110 }
111 #endif
112 
113 #ifdef CONFIG_LCD
114 vidinfo_t panel_info = {
115 	.vl_col =		240,
116 	.vl_row =		320,
117 	.vl_clk =		4965000,
118 	.vl_sync =		ATMEL_LCDC_INVLINE_INVERTED |
119 				ATMEL_LCDC_INVFRAME_INVERTED,
120 	.vl_bpix =		3,
121 	.vl_tft =		1,
122 	.vl_hsync_len =		5,
123 	.vl_left_margin =	1,
124 	.vl_right_margin =	33,
125 	.vl_vsync_len =		1,
126 	.vl_upper_margin =	1,
127 	.vl_lower_margin =	0,
128 	.mmio =			ATMEL_BASE_LCDC,
129 };
130 
131 void lcd_enable(void)
132 {
133 	at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
134 }
135 
136 void lcd_disable(void)
137 {
138 	at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
139 }
140 
141 static void pm9261_lcd_hw_init(void)
142 {
143 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
144 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
145 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
146 	at91_set_a_periph(AT91_PIO_PORTB, 4, 0);	/* LCDCC */
147 	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* LCDD2 */
148 	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* LCDD3 */
149 	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* LCDD4 */
150 	at91_set_a_periph(AT91_PIO_PORTB, 10, 0);	/* LCDD5 */
151 	at91_set_a_periph(AT91_PIO_PORTB, 11, 0);	/* LCDD6 */
152 	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* LCDD7 */
153 	at91_set_a_periph(AT91_PIO_PORTB, 15, 0);	/* LCDD10 */
154 	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* LCDD11 */
155 	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* LCDD12 */
156 	at91_set_a_periph(AT91_PIO_PORTB, 18, 0);	/* LCDD13 */
157 	at91_set_a_periph(AT91_PIO_PORTB, 19, 0);	/* LCDD14 */
158 	at91_set_a_periph(AT91_PIO_PORTB, 20, 0);	/* LCDD15 */
159 	at91_set_b_periph(AT91_PIO_PORTB, 23, 0);	/* LCDD18 */
160 	at91_set_b_periph(AT91_PIO_PORTB, 24, 0);	/* LCDD19 */
161 	at91_set_b_periph(AT91_PIO_PORTB, 25, 0);	/* LCDD20 */
162 	at91_set_b_periph(AT91_PIO_PORTB, 26, 0);	/* LCDD21 */
163 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
164 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
165 
166 	at91_system_clk_enable(AT91_PMC_HCK1);
167 
168 	gd->fb_base = ATMEL_BASE_SRAM;
169 }
170 
171 #ifdef CONFIG_LCD_INFO
172 #include <nand.h>
173 #include <version.h>
174 
175 extern flash_info_t flash_info[];
176 
177 void lcd_show_board_info(void)
178 {
179 	ulong dram_size, nand_size, flash_size;
180 	int i;
181 	char temp[32];
182 
183 	lcd_printf ("%s\n", U_BOOT_VERSION);
184 	lcd_printf ("(C) 2009 Ronetix GmbH\n");
185 	lcd_printf ("support@ronetix.at\n");
186 	lcd_printf ("%s CPU at %s MHz",
187 		CONFIG_SYS_AT91_CPU_NAME,
188 		strmhz(temp, get_cpu_clk_rate()));
189 
190 	dram_size = 0;
191 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
192 		dram_size += gd->bd->bi_dram[i].size;
193 
194 	nand_size = 0;
195 	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
196 		nand_size += get_nand_dev_by_index(i)->size;
197 
198 	flash_size = 0;
199 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
200 		flash_size += flash_info[i].size;
201 
202 	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
203 			"%ld MB DataFlash\n",
204 		dram_size >> 20,
205 		nand_size >> 20,
206 		flash_size >> 20);
207 }
208 #endif /* CONFIG_LCD_INFO */
209 
210 #endif /* CONFIG_LCD */
211 
212 int board_early_init_f(void)
213 {
214 	return 0;
215 }
216 
217 int board_init(void)
218 {
219 	/* arch number of PM9261-Board */
220 	gd->bd->bi_arch_number = MACH_TYPE_PM9261;
221 
222 	/* adress of boot parameters */
223 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
224 
225 #ifdef CONFIG_CMD_NAND
226 	pm9261_nand_hw_init();
227 #endif
228 #ifdef CONFIG_DRIVER_DM9000
229 	pm9261_dm9000_hw_init();
230 #endif
231 #ifdef CONFIG_LCD
232 	pm9261_lcd_hw_init();
233 #endif
234 	return 0;
235 }
236 
237 #ifdef CONFIG_DRIVER_DM9000
238 int board_eth_init(bd_t *bis)
239 {
240 	return dm9000_initialize(bis);
241 }
242 #endif
243 
244 int dram_init(void)
245 {
246 	/* dram_init must store complete ramsize in gd->ram_size */
247 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
248 				PHYS_SDRAM_SIZE);
249 	return 0;
250 }
251 
252 int dram_init_banksize(void)
253 {
254 	gd->bd->bi_dram[0].start = PHYS_SDRAM;
255 	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
256 
257 	return 0;
258 }
259 
260 #ifdef CONFIG_RESET_PHY_R
261 void reset_phy(void)
262 {
263 #ifdef CONFIG_DRIVER_DM9000
264 	/*
265 	 * Initialize ethernet HW addr prior to starting Linux,
266 	 * needed for nfsroot
267 	 */
268 	eth_init();
269 #endif
270 }
271 #endif
272 
273 #ifdef CONFIG_DISPLAY_BOARDINFO
274 int checkboard (void)
275 {
276 	char buf[32];
277 
278 	printf ("Board : Ronetix PM9261\n");
279 	printf ("Crystal frequency: %8s MHz\n",
280 					strmhz(buf, get_main_clk_rate()));
281 	printf ("CPU clock        : %8s MHz\n",
282 					strmhz(buf, get_cpu_clk_rate()));
283 	printf ("Master clock     : %8s MHz\n",
284 					strmhz(buf, get_mck_clk_rate()));
285 
286 	return 0;
287 }
288 #endif
289