X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fwandboard%2Fwandboard.c;h=1de1e0b25788c32e3184f92a0005a7e71addfb54;hb=c85b52e4378fe7f7b57995ac5f07114bed2dc445;hp=f1951dc5ef0a3f0ed2e5c1b39de6b4c1331278a7;hpb=08798026f24bd7c706e70372f8c323f0702c9a15;p=u-boot diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index f1951dc5ef..1de1e0b257 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2013 Freescale Semiconductor, Inc. + * Copyright (C) 2014 O.S. Systems Software LTDA. * * Author: Fabio Estevam * @@ -15,18 +16,20 @@ #include #include #include +#include #include +#include +#include #include #include #include #include -#include #include #include #include -#include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -41,77 +44,87 @@ DECLARE_GLOBAL_DATA_PTR; #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + #define USDHC1_CD_GPIO IMX_GPIO_NR(1, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(3, 9) #define ETH_PHY_RESET IMX_GPIO_NR(3, 29) +#define REV_DETECTION IMX_GPIO_NR(2, 28) int dram_init(void) { - gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024; + gd->ram_size = imx_ddr_size(); return 0; } static iomux_v3_cfg_t const uart1_pads[] = { - MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), }; static iomux_v3_cfg_t const usdhc1_pads[] = { - MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), /* Carrier MicroSD Card Detect */ - MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), + IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t const usdhc3_pads[] = { - MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), /* SOM MicroSD Card Detect */ - MX6_PAD_EIM_DA9__GPIO3_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), + IOMUX_PADS(PAD_EIM_DA9__GPIO3_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t const enet_pads[] = { - MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), /* AR8031 PHY Reset */ - MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), + IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const rev_detection_pad[] = { + IOMUX_PADS(PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static void setup_iomux_uart(void) { - imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + SETUP_IOMUX_PADS(uart1_pads); } static void setup_iomux_enet(void) { - imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); + SETUP_IOMUX_PADS(enet_pads); /* Reset AR8031 PHY */ gpio_direction_output(ETH_PHY_RESET, 0); - udelay(500); + mdelay(10); gpio_set_value(ETH_PHY_RESET, 1); + udelay(100); } static struct fsl_esdhc_cfg usdhc_cfg[2] = { @@ -138,27 +151,25 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { - s32 status = 0; + int ret; u32 index = 0; /* * Following map is done: - * (U-boot device node) (Physical Port) + * (U-Boot device node) (Physical Port) * mmc0 SOM MicroSD * mmc1 Carrier board MicroSD */ for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: - imx_iomux_v3_setup_multiple_pads( - usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + SETUP_IOMUX_PADS(usdhc3_pads); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[0].max_bus_width = 4; gpio_direction_input(USDHC3_CD_GPIO); break; case 1: - imx_iomux_v3_setup_multiple_pads( - usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + SETUP_IOMUX_PADS(usdhc1_pads); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); usdhc_cfg[1].max_bus_width = 4; gpio_direction_input(USDHC1_CD_GPIO); @@ -167,81 +178,142 @@ int board_mmc_init(bd_t *bis) printf("Warning: you configured more USDHC controllers" "(%d) then supported by the board (%d)\n", index + 1, CONFIG_SYS_FSL_USDHC_NUM); - return status; + return -EINVAL; } - status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + if (ret) + return ret; } - return status; + return 0; } -static int mx6_rgmii_rework(struct phy_device *phydev) -{ - unsigned short val; - - /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ - phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); - phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); - phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); +#if defined(CONFIG_VIDEO_IPUV3) +struct i2c_pads_info mx6q_i2c2_pad_info = { + .scl = { + .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(4, 13) + } +}; - val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); - val &= 0xffe3; - val |= 0x18; - phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); +struct i2c_pads_info mx6dl_i2c2_pad_info = { + .scl = { + .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(4, 13) + } +}; - /* introduce tx clock delay */ - phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); - val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); - val |= 0x0100; - phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); +static iomux_v3_cfg_t const fwadapt_7wvga_pads[] = { + IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), + IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* HSync */ + IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* VSync */ + IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(PAD_CTL_DSE_120ohm)), /* Contrast */ + IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15), /* DISP0_DRDY */ + IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00), + IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01), + IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02), + IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03), + IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04), + IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05), + IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06), + IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07), + IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08), + IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09), + IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10), + IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11), + IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12), + IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13), + IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14), + IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15), + IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16), + IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17), + IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_BKLEN */ + IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_VDDEN */ +}; - return 0; +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); } -int board_phy_config(struct phy_device *phydev) +static int detect_i2c(struct display_info_t const *dev) { - mx6_rgmii_rework(phydev); - - if (phydev->drv->config) - phydev->drv->config(phydev); - - return 0; + return (0 == i2c_set_bus_num(dev->bus)) && + (0 == i2c_probe(dev->addr)); } -#if defined(CONFIG_VIDEO_IPUV3) -static struct fb_videomode const hdmi = { - .name = "HDMI", - .refresh = 60, - .xres = 1024, - .yres = 768, - .pixclock = 15385, - .left_margin = 220, - .right_margin = 40, - .upper_margin = 21, - .lower_margin = 7, - .hsync_len = 60, - .vsync_len = 10, - .sync = FB_SYNC_EXT, - .vmode = FB_VMODE_NONINTERLACED -}; - -int board_video_skip(void) +static void enable_fwadapt_7wvga(struct display_info_t const *dev) { - int ret; - - ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24); - - if (ret) { - printf("HDMI cannot be configured: %d\n", ret); - return ret; - } - - imx_enable_hdmi_phy(); + SETUP_IOMUX_PADS(fwadapt_7wvga_pads); - return ret; + gpio_direction_output(IMX_GPIO_NR(2, 10), 1); + gpio_direction_output(IMX_GPIO_NR(2, 11), 1); } +struct display_info_t const displays[] = {{ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = do_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = 1, + .addr = 0x10, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = detect_i2c, + .enable = enable_fwadapt_7wvga, + .mode = { + .name = "FWBADAPT-LCD-F07A-0102", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 33260, + .left_margin = 128, + .right_margin = 128, + .upper_margin = 22, + .lower_margin = 22, + .hsync_len = 1, + .vsync_len = 1, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); + static void setup_display(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; @@ -254,6 +326,10 @@ static void setup_display(void) reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->chsccdr); + + /* Disable LCD backlight */ + SETUP_IOMUX_PAD(PAD_DI0_PIN4__GPIO4_IO20); + gpio_direction_input(IMX_GPIO_NR(4, 20)); } #endif /* CONFIG_VIDEO_IPUV3 */ @@ -270,6 +346,12 @@ int board_early_init_f(void) #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif +#ifdef CONFIG_CMD_SATA + /* Only mx6q wandboard has SATA */ + if (is_cpu_type(MXC_CPU_MX6Q)) + setup_sata(); +#endif + return 0; } @@ -291,12 +373,34 @@ static const struct boot_mode board_boot_modes[] = { }; #endif +static bool is_revc1(void) +{ + SETUP_IOMUX_PADS(rev_detection_pad); + gpio_direction_input(REV_DETECTION); + + if (gpio_get_value(REV_DETECTION)) + return true; + else + return false; +} + int board_late_init(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + if (is_mx6dq()) + setenv("board_rev", "MX6Q"); + else + setenv("board_rev", "MX6DL"); + + if (is_revc1()) + setenv("board_name", "C1"); + else + setenv("board_name", "B1"); +#endif return 0; } @@ -305,12 +409,21 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info); + if (is_mx6dq()) + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info); + else + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info); + return 0; } int checkboard(void) { - puts("Board: Wandboard\n"); + if (is_revc1()) + puts("Board: Wandboard rev C1\n"); + else + puts("Board: Wandboard rev B1\n"); return 0; }