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sunxi: use CONFIG_SYS_CLK_FREQ to set cpu clock
[people/ms/u-boot.git] / board / sunxi / board.c
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1/*
2 * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
3 * (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
4 *
5 * (C) Copyright 2007-2011
6 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
7 * Tom Cubie <tangliang@allwinnertech.com>
8 *
9 * Some board init for the Allwinner A10-evb board.
10 *
11 * SPDX-License-Identifier: GPL-2.0+
12 */
13
14#include <common.h>
e79c7c88 15#include <mmc.h>
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16#ifdef CONFIG_AXP152_POWER
17#include <axp152.h>
18#endif
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19#ifdef CONFIG_AXP209_POWER
20#include <axp209.h>
21#endif
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22#ifdef CONFIG_AXP221_POWER
23#include <axp221.h>
24#endif
cba69eee 25#include <asm/arch/clock.h>
b41d7d05 26#include <asm/arch/cpu.h>
2d7a084b 27#include <asm/arch/display.h>
cba69eee 28#include <asm/arch/dram.h>
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29#include <asm/arch/gpio.h>
30#include <asm/arch/mmc.h>
1a800f7a 31#include <asm/arch/usbc.h>
b41d7d05 32#include <asm/io.h>
1a800f7a 33#include <linux/usb/musb.h>
b41d7d05 34#include <net.h>
cba69eee 35
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36#if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
37/* So that we can use pin names in Kconfig and sunxi_name_to_gpio() */
38int soft_i2c_gpio_sda;
39int soft_i2c_gpio_scl;
40#endif
41
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42DECLARE_GLOBAL_DATA_PTR;
43
44/* add board specific code here */
45int board_init(void)
46{
47 int id_pfr1;
48
49 gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
50
51 asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1));
52 debug("id_pfr1: 0x%08x\n", id_pfr1);
53 /* Generic Timer Extension available? */
54 if ((id_pfr1 >> 16) & 0xf) {
55 debug("Setting CNTFRQ\n");
56 /* CNTFRQ == 24 MHz */
57 asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000));
58 }
59
60 return 0;
61}
62
63int dram_init(void)
64{
65 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE);
66
67 return 0;
68}
69
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70#ifdef CONFIG_GENERIC_MMC
71static void mmc_pinmux_setup(int sdc)
72{
73 unsigned int pin;
74
75 switch (sdc) {
76 case 0:
77 /* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */
78 for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
79 sunxi_gpio_set_cfgpin(pin, SUNXI_GPF0_SDC0);
80 sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
81 sunxi_gpio_set_drv(pin, 2);
82 }
83 break;
84
85 case 1:
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86 /* CMD-PG3, CLK-PG4, D0~D3-PG5-8 */
87 for (pin = SUNXI_GPG(3); pin <= SUNXI_GPG(8); pin++) {
88 sunxi_gpio_set_cfgpin(pin, SUN5I_GPG3_SDC1);
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89 sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
90 sunxi_gpio_set_drv(pin, 2);
91 }
92 break;
93
94 case 2:
95 /* CMD-PC6, CLK-PC7, D0-PC8, D1-PC9, D2-PC10, D3-PC11 */
96 for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
97 sunxi_gpio_set_cfgpin(pin, SUNXI_GPC6_SDC2);
98 sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
99 sunxi_gpio_set_drv(pin, 2);
100 }
101 break;
102
103 case 3:
104 /* CMD-PI4, CLK-PI5, D0~D3-PI6~9 : 2 */
105 for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
106 sunxi_gpio_set_cfgpin(pin, SUN4I_GPI4_SDC3);
107 sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
108 sunxi_gpio_set_drv(pin, 2);
109 }
110 break;
111
112 default:
113 printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
114 break;
115 }
116}
117
118int board_mmc_init(bd_t *bis)
119{
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120 __maybe_unused struct mmc *mmc0, *mmc1;
121 __maybe_unused char buf[512];
122
e24ea55c 123 mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
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124 mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
125 if (!mmc0)
126 return -1;
127
2ccfac01 128#if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
e24ea55c 129 mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
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130 mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
131 if (!mmc1)
132 return -1;
133#endif
134
135#if CONFIG_MMC_SUNXI_SLOT == 0 && CONFIG_MMC_SUNXI_SLOT_EXTRA == 2
136 /*
137 * Both mmc0 and mmc2 are bootable, figure out where we're booting
138 * from. Try mmc0 first, just like the brom does.
139 */
140 if (mmc_getcd(mmc0) && mmc_init(mmc0) == 0 &&
141 mmc0->block_dev.block_read(0, 16, 1, buf) == 1) {
142 buf[12] = 0;
143 if (strcmp(&buf[4], "eGON.BT0") == 0)
144 return 0;
145 }
146
147 /* no bootable card in mmc0, so we must be booting from mmc2, swap */
148 mmc0->block_dev.dev = 1;
149 mmc1->block_dev.dev = 0;
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150#endif
151
152 return 0;
153}
154#endif
155
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156void i2c_init_board(void)
157{
158 sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUNXI_GPB0_TWI0);
159 sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUNXI_GPB0_TWI0);
160 clock_twi_onoff(0, 1);
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161#if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
162 soft_i2c_gpio_sda = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SDA);
163 soft_i2c_gpio_scl = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_PANEL_I2C_SCL);
164#endif
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165}
166
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167#ifdef CONFIG_SPL_BUILD
168void sunxi_board_init(void)
169{
14bc66bd 170 int power_failed = 0;
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171 unsigned long ramsize;
172
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173#ifdef CONFIG_AXP152_POWER
174 power_failed = axp152_init();
175 power_failed |= axp152_set_dcdc2(1400);
176 power_failed |= axp152_set_dcdc3(1500);
177 power_failed |= axp152_set_dcdc4(1250);
178 power_failed |= axp152_set_ldo2(3000);
179#endif
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180#ifdef CONFIG_AXP209_POWER
181 power_failed |= axp209_init();
182 power_failed |= axp209_set_dcdc2(1400);
183 power_failed |= axp209_set_dcdc3(1250);
184 power_failed |= axp209_set_ldo2(3000);
185 power_failed |= axp209_set_ldo3(2800);
186 power_failed |= axp209_set_ldo4(2800);
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187#endif
188#ifdef CONFIG_AXP221_POWER
189 power_failed = axp221_init();
1262a85f 190 power_failed |= axp221_set_dcdc1(CONFIG_AXP221_DCDC1_VOLT);
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191 power_failed |= axp221_set_dcdc2(1200); /* A31:VDD-GPU, A23:VDD-SYS */
192 power_failed |= axp221_set_dcdc3(1200); /* VDD-CPU */
193#ifdef CONFIG_MACH_SUN6I
194 power_failed |= axp221_set_dcdc4(1200); /* A31:VDD-SYS */
195#else
196 power_failed |= axp221_set_dcdc4(0); /* A23:unused */
197#endif
198 power_failed |= axp221_set_dcdc5(1500); /* VCC-DRAM */
5c7f10fd 199 power_failed |= axp221_set_dldo1(CONFIG_AXP221_DLDO1_VOLT);
5c7f10fd 200 power_failed |= axp221_set_dldo4(CONFIG_AXP221_DLDO4_VOLT);
5c7f10fd 201 power_failed |= axp221_set_aldo1(CONFIG_AXP221_ALDO1_VOLT);
5c7f10fd 202 power_failed |= axp221_set_aldo2(CONFIG_AXP221_ALDO2_VOLT);
5c7f10fd 203 power_failed |= axp221_set_aldo3(CONFIG_AXP221_ALDO3_VOLT);
6906df1a 204 power_failed |= axp221_set_eldo(3, CONFIG_AXP221_ELDO3_VOLT);
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205#endif
206
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207 printf("DRAM:");
208 ramsize = sunxi_dram_init();
209 printf(" %lu MiB\n", ramsize >> 20);
210 if (!ramsize)
211 hang();
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212
213 /*
214 * Only clock up the CPU to full speed if we are reasonably
215 * assured it's being powered with suitable core voltage
216 */
217 if (!power_failed)
e71b422b 218 clock_set_pll1(CONFIG_SYS_CLK_FREQ);
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219 else
220 printf("Failed to set core voltage! Can't set CPU frequency\n");
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221}
222#endif
b41d7d05 223
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224#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
225static struct musb_hdrc_config musb_config = {
226 .multipoint = 1,
227 .dyn_fifo = 1,
228 .num_eps = 6,
229 .ram_bits = 11,
230};
231
232static struct musb_hdrc_platform_data musb_plat = {
233#if defined(CONFIG_MUSB_HOST)
234 .mode = MUSB_HOST,
235#else
236 .mode = MUSB_PERIPHERAL,
237#endif
238 .config = &musb_config,
239 .power = 250,
240 .platform_ops = &sunxi_musb_ops,
241};
242#endif
243
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244#ifdef CONFIG_MISC_INIT_R
245int misc_init_r(void)
246{
cac5b1cc 247 unsigned int sid[4];
b41d7d05 248
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249 if (!getenv("ethaddr") && sunxi_get_sid(sid) == 0 &&
250 sid[0] != 0 && sid[3] != 0) {
251 uint8_t mac_addr[6];
b41d7d05 252
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253 mac_addr[0] = 0x02; /* Non OUI / registered MAC address */
254 mac_addr[1] = (sid[0] >> 0) & 0xff;
255 mac_addr[2] = (sid[3] >> 24) & 0xff;
256 mac_addr[3] = (sid[3] >> 16) & 0xff;
257 mac_addr[4] = (sid[3] >> 8) & 0xff;
258 mac_addr[5] = (sid[3] >> 0) & 0xff;
b41d7d05 259
cac5b1cc 260 eth_setenv_enetaddr("ethaddr", mac_addr);
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261 }
262
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263#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
264 musb_register(&musb_plat, NULL, (void *)SUNXI_USB0_BASE);
265#endif
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266 return 0;
267}
268#endif
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269
270#ifdef CONFIG_OF_BOARD_SETUP
271int ft_board_setup(void *blob, bd_t *bd)
272{
273#ifdef CONFIG_VIDEO_DT_SIMPLEFB
274 return sunxi_simplefb_setup(blob);
275#endif
276}
277#endif /* CONFIG_OF_BOARD_SETUP */