static int board_setup(void) { sysinfo_install_flags(); Exynos5420Gpio *lid_switch = new_exynos5420_gpio_input(GPIO_X, 3, 4); Exynos5420Gpio *ec_in_rw = new_exynos5420_gpio_input(GPIO_X, 2, 3); flag_replace(FLAG_LIDSW, &lid_switch->ops); flag_install(FLAG_ECINRW, &ec_in_rw->ops); // The power switch is active low and needs to be inverted. Exynos5420Gpio *power_switch_l = new_exynos5420_gpio_input(GPIO_X, 1, 2); flag_replace(FLAG_PWRSW, new_gpio_not(&power_switch_l->ops)); Exynos5UsiI2c *i2c9 = new_exynos5_usi_i2c(0x12e10000, 400000); tpm_set_ops(&new_slb9635_i2c(&i2c9->ops, 0x20)->base.ops); Exynos5Spi *spi1 = new_exynos5_spi(0x12d30000); Exynos5Spi *spi2 = new_exynos5_spi(0x12d40000); CrosEcSpiBus *cros_ec_spi_bus = new_cros_ec_spi_bus(&spi2->ops); cros_ec_set_bus(&cros_ec_spi_bus->ops); flash_set_ops(&new_spi_flash(&spi1->ops, 0x400000)->ops); Exynos5I2s *i2s0 = new_exynos5_i2s_multi(0x03830000, 16, 2, 256); I2sSource *i2s_source = new_i2s_source(&i2s0->ops, 48000, 2, 16000); sound_set_ops(&new_sound_route(&i2s_source->ops)->ops); DwmciHost *emmc = new_dwmci_host(0x12200000, 100000000, 8, 0, DWMCI_SET_SAMPLE_CLK(1) | DWMCI_SET_DRV_CLK(3) | DWMCI_SET_DIV_RATIO(3)); DwmciHost *sd_card = new_dwmci_host(0x12220000, 100000000, 4, 1, DWMCI_SET_SAMPLE_CLK(1) | DWMCI_SET_DRV_CLK(2) | DWMCI_SET_DIV_RATIO(3)); list_insert_after(&emmc->mmc.ctrlr.list_node, &fixed_block_dev_controllers); list_insert_after(&sd_card->mmc.ctrlr.list_node, &removable_block_dev_controllers); power_set_ops(&exynos_power_ops); UsbHostController *usb_drd0 = new_usb_hc(XHCI, 0x12000000); UsbHostController *usb_drd1 = new_usb_hc(XHCI, 0x12400000); set_usb_init_callback(usb_drd0, exynos5420_usbss_phy_tune); /* DRD1 port has no SuperSpeed lines anyway */ list_insert_after(&usb_drd0->list_node, &usb_host_controllers); list_insert_after(&usb_drd1->list_node, &usb_host_controllers); return 0; }
static void dw_mci_clksel(struct dwmci_host *host) { u32 val; val = DWMCI_SET_SAMPLE_CLK(DWMCI_SHIFT_0) | DWMCI_SET_DRV_CLK(DWMCI_SHIFT_0) | DWMCI_SET_DIV_RATIO(3); dwmci_writel(host, DWMCI_CLKSEL, val); }
int exynos_dwmmc_init(const void *blob) { int index, bus_width; int node_list[DWMMC_MAX_CH_NUM]; int err = 0, dev_id, flag, count, i; u32 clksel_val, base, timing[3]; count = fdtdec_find_aliases_for_id(blob, "mmc", COMPAT_SAMSUNG_EXYNOS5_DWMMC, node_list, DWMMC_MAX_CH_NUM); for (i = 0; i < count; i++) { int node = node_list[i]; if (node <= 0) continue; /* Extract device id for each mmc channel */ dev_id = pinmux_decode_periph_id(blob, node); /* Get the bus width from the device node */ bus_width = fdtdec_get_int(blob, node, "samsung,bus-width", 0); if (bus_width <= 0) { debug("DWMMC: Can't get bus-width\n"); return -1; } if (8 == bus_width) flag = PINMUX_FLAG_8BIT_MODE; else flag = PINMUX_FLAG_NONE; /* config pinmux for each mmc channel */ err = exynos_pinmux_config(dev_id, flag); if (err) { debug("DWMMC not configured\n"); return err; } index = dev_id - PERIPH_ID_SDMMC0; /* Get the base address from the device node */ base = fdtdec_get_addr(blob, node, "reg"); if (!base) { debug("DWMMC: Can't get base address\n"); return -1; } /* Extract the timing info from the node */ err = fdtdec_get_int_array(blob, node, "samsung,timing", timing, 3); if (err) { debug("Can't get sdr-timings for divider\n"); return -1; } clksel_val = (DWMCI_SET_SAMPLE_CLK(timing[0]) | DWMCI_SET_DRV_CLK(timing[1]) | DWMCI_SET_DIV_RATIO(timing[2])); /* Initialise each mmc channel */ err = exynos_dwmci_add_port(index, base, bus_width, clksel_val); if (err) debug("dwmmc Channel-%d init failed\n", index); } return 0; }