3 * Grazvydas Ignotas <notasas@gmail.com>
5 * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
6 * Richard Woodruff <r-woodruff2@ti.com>
7 * Syed Mohammed Khasim <khasim@ti.com>
8 * Sunil Kumar <sunilsaini05@gmail.com>
9 * Shashi Ranjan <shashiranjanmca05@gmail.com>
11 * (C) Copyright 2004-2008
12 * Texas Instruments, <www.ti.com>
14 * See file CREDITS for list of people who contributed to this
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
36 #include <asm/arch/mmc_host_def.h>
37 #include <asm/arch/mux.h>
38 #include <asm/arch/gpio.h>
39 #include <asm/arch/sys_proto.h>
40 #include <asm/mach-types.h>
43 DECLARE_GLOBAL_DATA_PTR;
45 #define TWL4030_BB_CFG_BBCHEN (1 << 4)
46 #define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
47 #define TWL4030_BB_CFG_BBISEL_500UA 2
49 #define CONTROL_WKUP_CTRL 0x48002a5c
50 #define GPIO_IO_PWRDNZ (1 << 6)
51 #define PBIASLITEVMODE1 (1 << 8)
55 * Description: Early hardware init.
59 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
60 /* board id for Linux */
61 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
63 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
68 static void set_output_gpio(unsigned int gpio, int value)
72 ret = gpio_request(gpio, "");
74 printf("could not request GPIO %u\n", gpio);
77 ret = gpio_direction_output(gpio, value);
79 printf("could not set GPIO %u to %d\n", gpio, value);
83 * Routine: misc_init_r
84 * Description: Configure board specific parts
88 t2_t *t2_base = (t2_t *)T2_BASE;
91 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
93 /* set up dual-voltage GPIOs to 1.8V */
94 pbias_lite = readl(&t2_base->pbias_lite);
95 pbias_lite &= ~PBIASLITEVMODE1;
96 pbias_lite |= PBIASLITEPWRDNZ1;
97 writel(pbias_lite, &t2_base->pbias_lite);
98 if (get_cpu_family() == CPU_OMAP36XX)
99 writel(readl(CONTROL_WKUP_CTRL) | GPIO_IO_PWRDNZ,
102 /* make sure audio and BT chips are in powerdown state */
103 set_output_gpio(14, 0);
104 set_output_gpio(15, 0);
105 set_output_gpio(118, 0);
107 /* enable USB supply */
108 set_output_gpio(164, 1);
110 /* wifi needs a short pulse to enter powersave state */
111 set_output_gpio(23, 1);
113 gpio_direction_output(23, 0);
115 /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
116 twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
117 TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
118 TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG);
126 * Routine: set_muxconf_regs
127 * Description: Setting up the configuration Mux registers specific to the
128 * hardware. Many pins need to be moved from protect to primary
131 void set_muxconf_regs(void)
134 if (get_cpu_family() == CPU_OMAP36XX) {
139 #ifdef CONFIG_GENERIC_MMC
140 int board_mmc_init(bd_t *bis)
142 return omap_mmc_init(0, 0, 0, -1, -1);