int exynos_init(void) { gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; switch (get_hwrev()) { case 0: /* * Set the low to enable LDO_EN * But when you use the test board for eMMC booting * you should set it HIGH since it removes the inverter */ /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */ s5p_gpio_direction_output(&gpio1->e3, 6, 0); break; default: /* * Default reset state is High and there's no inverter * But set it as HIGH to ensure */ /* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */ s5p_gpio_direction_output(&gpio1->e1, 3, 1); break; } #ifdef CONFIG_SOFT_SPI soft_spi_init(); #endif check_hw_revision(); printf("HW Revision:\t0x%x\n", board_rev); return 0; }
void exynos_reset_lcd(void) { struct exynos4_gpio_part2 *gpio2 = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); s5p_gpio_direction_output(&gpio2->y4, 5, 1); udelay(10000); s5p_gpio_direction_output(&gpio2->y4, 5, 0); udelay(10000); s5p_gpio_direction_output(&gpio2->y4, 5, 1); }
int board_mmc_init(bd_t *bis) { int err; switch (get_hwrev()) { case 0: /* * Set the low to enable LDO_EN * But when you use the test board for eMMC booting * you should set it HIGH since it removes the inverter */ /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */ s5p_gpio_direction_output(&gpio1->e3, 6, 0); break; default: /* * Default reset state is High and there's no inverter * But set it as HIGH to ensure */ /* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */ s5p_gpio_direction_output(&gpio1->e1, 3, 1); break; } /* * MMC device init * mmc0 : eMMC (8-bit buswidth) * mmc2 : SD card (4-bit buswidth) */ err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); if (err) debug("SDMMC0 not configured\n"); else err = s5p_mmc_init(0, 8); /* T-flash detect */ s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf); s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP); /* * Check the T-flash detect pin * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio2->x3, 4)) { err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); if (err) debug("SDMMC2 not configured\n"); else err = s5p_mmc_init(2, 4); } return err; }
void i2c_init_board(void) { struct exynos4_gpio_part1 *gpio1 = (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); struct exynos4_gpio_part2 *gpio2 = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); /* I2C_5 -> PMIC -> Adapter 0 */ s5p_gpio_direction_output(&gpio1->b, 7, 1); s5p_gpio_direction_output(&gpio1->b, 6, 1); /* I2C_9 -> FG -> Adapter 1 */ s5p_gpio_direction_output(&gpio2->y4, 0, 1); s5p_gpio_direction_output(&gpio2->y4, 1, 1); }
static void board_uart_init(void) { struct exynos4_gpio_part1 *gpio1 = (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); struct exynos4_gpio_part2 *gpio2 = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); int i; /* * UART2 GPIOs * GPA1CON[0] = UART_2_RXD(2) * GPA1CON[1] = UART_2_TXD(2) * GPA1CON[2] = I2C_3_SDA (3) * GPA1CON[3] = I2C_3_SCL (3) */ for (i = 0; i < 4; i++) { s5p_gpio_set_pull(&gpio1->a1, i, GPIO_PULL_NONE); s5p_gpio_cfg_pin(&gpio1->a1, i, GPIO_FUNC((i > 1) ? 0x3 : 0x2)); } /* UART_SEL GPY4[7] (part2) at EXYNOS4 */ s5p_gpio_set_pull(&gpio2->y4, 7, GPIO_PULL_UP); s5p_gpio_direction_output(&gpio2->y4, 7, 1); }
int board_mmc_init(bd_t *bis) { int i; /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1); /* * MMC0 GPIO * GPG0[0] SD_0_CLK * GPG0[1] SD_0_CMD * GPG0[2] SD_0_CDn -> Not used * GPG0[3:6] SD_0_DATA[0:3] */ for (i = 0; i < 7; i++) { if (i == 2) continue; /* GPG0[0:6] special function 2 */ s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2); /* GPG0[0:6] pull disable */ s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE); /* GPG0[0:6] drv 4x */ s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); } return s5p_mmc_init(0, 4); }
int board_usb_init(int index, enum usb_init_type init) { struct exynos5_gpio_part1 *gpio = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); /* Configure gpios for usb 3503 hub: * disconnect, toggle reset and connect */ s5p_gpio_direction_output(&gpio->d1, 7, 0); s5p_gpio_direction_output(&gpio->x3, 5, 0); s5p_gpio_direction_output(&gpio->x3, 5, 1); s5p_gpio_direction_output(&gpio->d1, 7, 1); return 0; }
void i2c_init_board(void) { int err; struct exynos4_gpio_part2 *gpio2 = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); /* I2C_5 -> PMIC */ err = exynos_pinmux_config(PERIPH_ID_I2C5, PINMUX_FLAG_NONE); if (err) { debug("I2C%d not configured\n", (I2C_5)); return; } /* I2C_8 -> FG */ s5p_gpio_direction_output(&gpio2->y4, 0, 1); s5p_gpio_direction_output(&gpio2->y4, 1, 1); }
static void pmic_reset(void) { struct exynos4_gpio_part2 *gpio = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); s5p_gpio_direction_output(&gpio->x0, 7, 1); s5p_gpio_set_pull(&gpio->x2, 7, GPIO_PULL_NONE); }
static void board_enable_audio_codec(void) { struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); /* Enable MAX98095 Codec */ s5p_gpio_direction_output(&gpio1->x1, 7, 1); s5p_gpio_set_pull(&gpio1->x1, 7, GPIO_PULL_NONE); }
void exynos_reset_lcd(void) { gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1(); /* reset lcd */ s5p_gpio_direction_output(&gpio1->f2, 1, 0); udelay(10); s5p_gpio_set_value(&gpio1->f2, 1, 1); }
int board_mmc_init(bd_t *bis) { int i, ret, ret_sd = 0; /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1); /* * MMC0 GPIO * GPG0[0] SD_0_CLK * GPG0[1] SD_0_CMD * GPG0[2] SD_0_CDn -> Not used * GPG0[3:6] SD_0_DATA[0:3] */ for (i = 0; i < 7; i++) { if (i == 2) continue; /* GPG0[0:6] special function 2 */ s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2); /* GPG0[0:6] pull disable */ s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE); /* GPG0[0:6] drv 4x */ s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); } ret = s5p_mmc_init(0, 4); if (ret) error("MMC: Failed to init MMC:0.\n"); /* * SD card (T_FLASH) detect and init * T_FLASH_DETECT: EINT28: GPH3[4] input mode */ s5p_gpio_cfg_pin(&s5pc110_gpio->h3, 4, GPIO_INPUT); s5p_gpio_set_pull(&s5pc110_gpio->h3, 4, GPIO_PULL_UP); if (!s5p_gpio_get_value(&s5pc110_gpio->h3, 4)) { for (i = 0; i < 7; i++) { if (i == 2) continue; /* GPG2[0:6] special function 2 */ s5p_gpio_cfg_pin(&s5pc110_gpio->g2, i, 0x2); /* GPG2[0:6] pull disable */ s5p_gpio_set_pull(&s5pc110_gpio->g2, i, GPIO_PULL_NONE); /* GPG2[0:6] drv 4x */ s5p_gpio_set_drv(&s5pc110_gpio->g2, i, GPIO_DRV_4X); } ret_sd = s5p_mmc_init(2, 4); if (ret_sd) error("MMC: Failed to init SD card (MMC:2).\n"); } return ret & ret_sd; }
int board_usb_vbus_init(void) { struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); /* Enable VBUS power switch */ s5p_gpio_direction_output(&gpio1->x2, 6, 1); /* VBUS turn ON time */ mdelay(3); return 0; }
static void board_init_i2c(void) { int err; gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1(); gpio2 = (struct exynos4x12_gpio_part2 *)samsung_get_base_gpio_part2(); /* I2C_7 */ err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE); if (err) { debug("I2C%d not configured\n", (I2C_7)); return; } /* I2C_8 */ s5p_gpio_direction_output(&gpio1->f1, 4, 1); s5p_gpio_direction_output(&gpio1->f1, 5, 1); /* I2C_9 */ s5p_gpio_direction_output(&gpio2->m2, 1, 1); s5p_gpio_direction_output(&gpio2->m2, 0, 1); }
void exynos_lcd_power_on(void) { struct pmic *p = pmic_get("MAX77686_PMIC"); gpio1 = (struct exynos4x12_gpio_part1 *)samsung_get_base_gpio_part1(); /* LCD_2.2V_EN: GPC0[1] */ s5p_gpio_set_pull(&gpio1->c0, 1, GPIO_PULL_UP); s5p_gpio_direction_output(&gpio1->c0, 1, 1); /* LDO25 VCC_3.1V_LCD */ pmic_probe(p); max77686_set_ldo_voltage(p, 25, 3100000); max77686_set_ldo_mode(p, 25, OPMODE_LPM); }
int board_mmc_init(bd_t *bis) { struct exynos4_gpio_part2 *gpio = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); int err; /* eMMC_EN: SD_0_CDn: GPK0[2] Output High */ s5p_gpio_direction_output(&gpio->k0, 2, 1); s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE); /* * MMC device init * mmc0 : eMMC (8-bit buswidth) * mmc2 : SD card (4-bit buswidth) */ err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); if (err) debug("SDMMC0 not configured\n"); else err = s5p_mmc_init(0, 8); /* T-flash detect */ s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf); s5p_gpio_set_pull(&gpio->x3, 4, GPIO_PULL_UP); /* * Check the T-flash detect pin * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio->x3, 4)) { err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); if (err) debug("SDMMC2 not configured\n"); else err = s5p_mmc_init(2, 4); } return err; }
int gpio_direction_output(unsigned gpio, int value) { s5p_gpio_direction_output(s5p_gpio_get_bank(gpio), s5p_gpio_get_pin(gpio), value); return 0; }
int gpio_direction_output(int nr, int value) { s5p_gpio_direction_output(s5p_gpio_get_bank(nr), s5p_gpio_get_pin(nr), value); return 0; }
int board_mmc_init(bd_t *bis) { int i, err; switch (get_hwrev()) { case 0: /* * Set the low to enable LDO_EN * But when you use the test board for eMMC booting * you should set it HIGH since it removes the inverter */ /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */ s5p_gpio_direction_output(&gpio1->e3, 6, 0); break; default: /* * Default reset state is High and there's no inverter * But set it as HIGH to ensure */ /* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */ s5p_gpio_direction_output(&gpio1->e1, 3, 1); break; } /* * eMMC GPIO: * SDR 8-bit@48MHz at MMC0 * GPK0[0] SD_0_CLK(2) * GPK0[1] SD_0_CMD(2) * GPK0[2] SD_0_CDn -> Not used * GPK0[3:6] SD_0_DATA[0:3](2) * GPK1[3:6] SD_0_DATA[0:3](3) * * DDR 4-bit@26MHz at MMC4 * GPK0[0] SD_4_CLK(3) * GPK0[1] SD_4_CMD(3) * GPK0[2] SD_4_CDn -> Not used * GPK0[3:6] SD_4_DATA[0:3](3) * GPK1[3:6] SD_4_DATA[4:7](4) */ for (i = 0; i < 7; i++) { if (i == 2) continue; /* GPK0[0:6] special function 2 */ s5p_gpio_cfg_pin(&gpio2->k0, i, 0x2); /* GPK0[0:6] pull disable */ s5p_gpio_set_pull(&gpio2->k0, i, GPIO_PULL_NONE); /* GPK0[0:6] drv 4x */ s5p_gpio_set_drv(&gpio2->k0, i, GPIO_DRV_4X); } for (i = 3; i < 7; i++) { /* GPK1[3:6] special function 3 */ s5p_gpio_cfg_pin(&gpio2->k1, i, 0x3); /* GPK1[3:6] pull disable */ s5p_gpio_set_pull(&gpio2->k1, i, GPIO_PULL_NONE); /* GPK1[3:6] drv 4x */ s5p_gpio_set_drv(&gpio2->k1, i, GPIO_DRV_4X); } /* T-flash detect */ s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf); s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP); /* * MMC device init * mmc0 : eMMC (8-bit buswidth) * mmc2 : SD card (4-bit buswidth) */ err = s5p_mmc_init(0, 8); /* * Check the T-flash detect pin * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio2->x3, 4)) { /* * SD card GPIO: * GPK2[0] SD_2_CLK(2) * GPK2[1] SD_2_CMD(2) * GPK2[2] SD_2_CDn -> Not used * GPK2[3:6] SD_2_DATA[0:3](2) */ for (i = 0; i < 7; i++) { if (i == 2) continue; /* GPK2[0:6] special function 2 */ s5p_gpio_cfg_pin(&gpio2->k2, i, 0x2); /* GPK2[0:6] pull disable */ s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); /* GPK2[0:6] drv 4x */ s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); } err = s5p_mmc_init(2, 4); } return err; }