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 * SPDX-License-Identifier: GPL-2.0+
20 #include <asm/arch/mmc_host_def.h>
21 #include <asm/arch/mux.h>
22 #include <asm/arch/gpio.h>
23 #include <asm/arch/sys_proto.h>
24 #include <asm/mach-types.h>
27 DECLARE_GLOBAL_DATA_PTR;
29 #define TWL4030_BB_CFG_BBCHEN (1 << 4)
30 #define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
31 #define TWL4030_BB_CFG_BBISEL_500UA 2
33 #define CONTROL_WKUP_CTRL 0x48002a5c
34 #define GPIO_IO_PWRDNZ (1 << 6)
35 #define PBIASLITEVMODE1 (1 << 8)
39 * Description: Early hardware init.
43 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
44 /* board id for Linux */
45 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
47 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
52 static void set_output_gpio(unsigned int gpio, int value)
56 ret = gpio_request(gpio, "");
58 printf("could not request GPIO %u\n", gpio);
61 ret = gpio_direction_output(gpio, value);
63 printf("could not set GPIO %u to %d\n", gpio, value);
67 * Routine: misc_init_r
68 * Description: Configure board specific parts
72 t2_t *t2_base = (t2_t *)T2_BASE;
75 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
77 /* set up dual-voltage GPIOs to 1.8V */
78 pbias_lite = readl(&t2_base->pbias_lite);
79 pbias_lite &= ~PBIASLITEVMODE1;
80 pbias_lite |= PBIASLITEPWRDNZ1;
81 writel(pbias_lite, &t2_base->pbias_lite);
82 if (get_cpu_family() == CPU_OMAP36XX)
83 writel(readl(CONTROL_WKUP_CTRL) | GPIO_IO_PWRDNZ,
86 /* make sure audio and BT chips are in powerdown state */
87 set_output_gpio(14, 0);
88 set_output_gpio(15, 0);
89 set_output_gpio(118, 0);
91 /* enable USB supply */
92 set_output_gpio(164, 1);
94 /* wifi needs a short pulse to enter powersave state */
95 set_output_gpio(23, 1);
97 gpio_direction_output(23, 0);
99 /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
100 twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
101 TWL4030_PM_RECEIVER_BB_CFG,
102 TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
103 TWL4030_BB_CFG_BBISEL_500UA);
111 * Routine: set_muxconf_regs
112 * Description: Setting up the configuration Mux registers specific to the
113 * hardware. Many pins need to be moved from protect to primary
116 void set_muxconf_regs(void)
119 if (get_cpu_family() == CPU_OMAP36XX) {
124 #ifdef CONFIG_GENERIC_MMC
125 int board_mmc_init(bd_t *bis)
127 return omap_mmc_init(0, 0, 0, -1, -1);