diff options
Diffstat (limited to 'board/freescale/mx6qsabrelite')
| -rw-r--r-- | board/freescale/mx6qsabrelite/Makefile | 41 | ||||
| -rw-r--r-- | board/freescale/mx6qsabrelite/README | 72 | ||||
| -rw-r--r-- | board/freescale/mx6qsabrelite/mx6qsabrelite.c | 848 |
3 files changed, 0 insertions, 961 deletions
diff --git a/board/freescale/mx6qsabrelite/Makefile b/board/freescale/mx6qsabrelite/Makefile deleted file mode 100644 index cf344e4323..0000000000 --- a/board/freescale/mx6qsabrelite/Makefile +++ /dev/null @@ -1,41 +0,0 @@ -# -# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> -# -# (C) Copyright 2011 Freescale Semiconductor, Inc. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).o - -COBJS := mx6qsabrelite.o - -SRCS := $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) - -$(LIB): $(obj).depend $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/freescale/mx6qsabrelite/README b/board/freescale/mx6qsabrelite/README deleted file mode 100644 index 12a9c856cf..0000000000 --- a/board/freescale/mx6qsabrelite/README +++ /dev/null @@ -1,72 +0,0 @@ -U-Boot for the Freescale i.MX6q SabreLite board - -This file contains information for the port of U-Boot to the Freescale -i.MX6q SabreLite board. - -1. Boot source, boot from SD card ---------------------------------- - -The recent mainline U-Boot for the Freescale i.MX6q SabreLite board supports -boot from SD card only. However, by default, the SabreLite -boards boot from the SPI NOR flash. These boards need to be reflashed with -a small SD card loader to support boot from SD card. This small SD card loader -will be flashed into the SPI NOR. The board will still boot from SPI NOR, but -the loader will in turn request the BootROM to load the U-Boot from SD card. - -The SD card loader is available from - -https://wiki.linaro.org/Boards/MX6QSabreLite - -under a open-source 3-clause BSD license. - -To update the SPI-NOR on the SabreLite board without the Freescale -manufacturing tool use the following procedure: - -1. Write this SD card loader onto a large SD card using: - - sudo dd if=iMX6DQ_SPI_to_uSDHC3.bin of=/dev/sXx - -Note: Replace sXx with the device representing the SD card in your system. - -Note: This writes SD card loader at address 0 - -2. Put this SD card into the slot for the large SD card (SD3 on the bottom of -the board). Make sure SW1 switch is at position "00", so that it can boot -from the fuses. - -3. Power-up the SabreLite, press 'space' to enter command mode in the U-Boot -(the default one the board is shipped with, starting from the SPI NOR) and -enter the following commands: - - MX6Q SABRELITE U-Boot > mmc dev 0 - MX6Q SABRELITE U-Boot > mmc read 0x10800000 0 200 - MX6Q SABRELITE U-Boot > sf probe - MX6Q SABRELITE U-Boot > sf erase 0 0x40000 - MX6Q SABRELITE U-Boot > sf write 0x10800000 0 0x40000 - -4. done. - -In case you somehow do not succeed with this procedure you will have to use -the Freescale manufacturing tool in order to reflash the SPI-NOR. - -Note: The board now boots from full size SD3 on the bottom of the board. NOT - the micro SD4/BOOT slot on the top of the board. I.e. you have to use - full size SD cards. - -This information is taken from - -https://wiki.linaro.org/Boards/MX6QSabreLite - -2. Build --------- - -To build U-Boot for the SabreLite board: - - make mx6qsabrelite_config - make - -To copy the resulting u-boot.imx to the SD card: - - sudo dd if=u-boot.imx of=/dev/sXx bs=512 seek=2&&sudo sync - -Note: Replace sXx with the device representing the SD card in your system. diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c deleted file mode 100644 index 862bc3099d..0000000000 --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ /dev/null @@ -1,848 +0,0 @@ -/* - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/clock.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux.h> -#include <asm/arch/mx6q_pins.h> -#include <asm/errno.h> -#include <asm/gpio.h> -#include <asm/imx-common/iomux-v3.h> -#include <asm/imx-common/mxc_i2c.h> -#include <asm/imx-common/boot_mode.h> -#include <mmc.h> -#include <fsl_esdhc.h> -#include <malloc.h> -#include <micrel.h> -#include <miiphy.h> -#include <netdev.h> -#include <linux/fb.h> -#include <ipu_pixfmt.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/mxc_hdmi.h> -#include <i2c.h> - -DECLARE_GLOBAL_DATA_PTR; - -#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ - PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ - PAD_CTL_SRE_FAST | PAD_CTL_HYS) - -#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ - PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ - PAD_CTL_SRE_FAST | PAD_CTL_HYS) - -#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ - PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) - -#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) - -#define BUTTON_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) - -int dram_init(void) -{ - gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); - - return 0; -} - -iomux_v3_cfg_t const uart1_pads[] = { - MX6_PAD_SD3_DAT6__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_SD3_DAT7__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -iomux_v3_cfg_t const uart2_pads[] = { - MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) - -/* I2C1, SGTL5000 */ -struct i2c_pads_info i2c_pad_info0 = { - .scl = { - .i2c_mode = MX6_PAD_EIM_D21__I2C1_SCL | PC, - .gpio_mode = MX6_PAD_EIM_D21__GPIO_3_21 | PC, - .gp = IMX_GPIO_NR(3, 21) - }, - .sda = { - .i2c_mode = MX6_PAD_EIM_D28__I2C1_SDA | PC, - .gpio_mode = MX6_PAD_EIM_D28__GPIO_3_28 | PC, - .gp = IMX_GPIO_NR(3, 28) - } -}; - -/* I2C2 Camera, MIPI */ -struct i2c_pads_info i2c_pad_info1 = { - .scl = { - .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, - .gpio_mode = MX6_PAD_KEY_COL3__GPIO_4_12 | PC, - .gp = IMX_GPIO_NR(4, 12) - }, - .sda = { - .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, - .gpio_mode = MX6_PAD_KEY_ROW3__GPIO_4_13 | PC, - .gp = IMX_GPIO_NR(4, 13) - } -}; - -/* I2C3, J15 - RGB connector */ -struct i2c_pads_info i2c_pad_info2 = { - .scl = { - .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | PC, - .gpio_mode = MX6_PAD_GPIO_5__GPIO_1_5 | PC, - .gp = IMX_GPIO_NR(1, 5) - }, - .sda = { - .i2c_mode = MX6_PAD_GPIO_16__I2C3_SDA | PC, - .gpio_mode = MX6_PAD_GPIO_16__GPIO_7_11 | PC, - .gp = IMX_GPIO_NR(7, 11) - } -}; - -iomux_v3_cfg_t const usdhc3_pads[] = { - MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT5__GPIO_7_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ -}; - -iomux_v3_cfg_t const usdhc4_pads[] = { - MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D6__GPIO_2_6 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ -}; - -iomux_v3_cfg_t const enet_pads1[] = { - 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__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_TD3__ENET_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), - /* pin 35 - 1 (PHY_AD2) on reset */ - MX6_PAD_RGMII_RXC__GPIO_6_30 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 32 - 1 - (MODE0) all */ - MX6_PAD_RGMII_RD0__GPIO_6_25 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 31 - 1 - (MODE1) all */ - MX6_PAD_RGMII_RD1__GPIO_6_27 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 28 - 1 - (MODE2) all */ - MX6_PAD_RGMII_RD2__GPIO_6_28 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 27 - 1 - (MODE3) all */ - MX6_PAD_RGMII_RD3__GPIO_6_29 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */ - MX6_PAD_RGMII_RX_CTL__GPIO_6_24 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* pin 42 PHY nRST */ - MX6_PAD_EIM_D23__GPIO_3_23 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -iomux_v3_cfg_t const enet_pads2[] = { - MX6_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), - MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), -}; - -/* Button assignments for J14 */ -static iomux_v3_cfg_t const button_pads[] = { - /* Menu */ - MX6_PAD_NANDF_D1__GPIO_2_1 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), - /* Back */ - MX6_PAD_NANDF_D2__GPIO_2_2 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), - /* Labelled Search (mapped to Power under Android) */ - MX6_PAD_NANDF_D3__GPIO_2_3 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), - /* Home */ - MX6_PAD_NANDF_D4__GPIO_2_4 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), - /* Volume Down */ - MX6_PAD_GPIO_19__GPIO_4_5 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), - /* Volume Up */ - MX6_PAD_GPIO_18__GPIO_7_13 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), -}; - -static void setup_iomux_enet(void) -{ - gpio_direction_output(IMX_GPIO_NR(3, 23), 0); - gpio_direction_output(IMX_GPIO_NR(6, 30), 1); - gpio_direction_output(IMX_GPIO_NR(6, 25), 1); - gpio_direction_output(IMX_GPIO_NR(6, 27), 1); - gpio_direction_output(IMX_GPIO_NR(6, 28), 1); - gpio_direction_output(IMX_GPIO_NR(6, 29), 1); - imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1)); - gpio_direction_output(IMX_GPIO_NR(6, 24), 1); - - /* Need delay 10ms according to KSZ9021 spec */ - udelay(1000 * 10); - gpio_set_value(IMX_GPIO_NR(3, 23), 1); - - imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2)); -} - -iomux_v3_cfg_t const usb_pads[] = { - MX6_PAD_GPIO_17__GPIO_7_12 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -static void setup_iomux_uart(void) -{ - imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); - imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); -} - -#ifdef CONFIG_USB_EHCI_MX6 -int board_ehci_hcd_init(int port) -{ - imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); - - /* Reset USB hub */ - gpio_direction_output(IMX_GPIO_NR(7, 12), 0); - mdelay(2); - gpio_set_value(IMX_GPIO_NR(7, 12), 1); - - return 0; -} -#endif - -#ifdef CONFIG_FSL_ESDHC -struct fsl_esdhc_cfg usdhc_cfg[2] = { - {USDHC3_BASE_ADDR}, - {USDHC4_BASE_ADDR}, -}; - -int board_mmc_getcd(struct mmc *mmc) -{ - struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; - int ret; - - if (cfg->esdhc_base == USDHC3_BASE_ADDR) { - gpio_direction_input(IMX_GPIO_NR(7, 0)); - ret = !gpio_get_value(IMX_GPIO_NR(7, 0)); - } else { - gpio_direction_input(IMX_GPIO_NR(2, 6)); - ret = !gpio_get_value(IMX_GPIO_NR(2, 6)); - } - - return ret; -} - -int board_mmc_init(bd_t *bis) -{ - s32 status = 0; - u32 index = 0; - - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); - - usdhc_cfg[0].max_bus_width = 4; - usdhc_cfg[1].max_bus_width = 4; - - 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)); - break; - case 1: - imx_iomux_v3_setup_multiple_pads( - usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); - break; - default: - printf("Warning: you configured more USDHC controllers" - "(%d) then supported by the board (%d)\n", - index + 1, CONFIG_SYS_FSL_USDHC_NUM); - return status; - } - - status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); - } - - return status; -} -#endif - -#ifdef CONFIG_MXC_SPI -iomux_v3_cfg_t const ecspi1_pads[] = { - /* SS1 */ - MX6_PAD_EIM_D19__GPIO_3_19 | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), -}; - -void setup_spi(void) -{ - imx_iomux_v3_setup_multiple_pads(ecspi1_pads, - ARRAY_SIZE(ecspi1_pads)); -} -#endif - -int board_phy_config(struct phy_device *phydev) -{ - /* min rx data delay */ - ksz9021_phy_extended_write(phydev, - MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0); - /* min tx data delay */ - ksz9021_phy_extended_write(phydev, - MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0); - /* max rx/tx clock delay, min rx/tx control */ - ksz9021_phy_extended_write(phydev, - MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0); - if (phydev->drv->config) - phydev->drv->config(phydev); - - return 0; -} - -int board_eth_init(bd_t *bis) -{ - uint32_t base = IMX_FEC_BASE; - struct mii_dev *bus = NULL; - struct phy_device *phydev = NULL; - int ret; - - setup_iomux_enet(); - -#ifdef CONFIG_FEC_MXC - bus = fec_get_miibus(base, -1); - if (!bus) - return 0; - /* scan phy 4,5,6,7 */ - phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); - if (!phydev) { - free(bus); - return 0; - } - printf("using phy at %d\n", phydev->addr); - ret = fec_probe(bis, -1, base, bus, phydev); - if (ret) { - printf("FEC MXC: %s:failed\n", __func__); - free(phydev); - free(bus); - } -#endif - return 0; -} - -static void setup_buttons(void) -{ - imx_iomux_v3_setup_multiple_pads(button_pads, - ARRAY_SIZE(button_pads)); -} - -#ifdef CONFIG_CMD_SATA - -int setup_sata(void) -{ - struct iomuxc_base_regs *const iomuxc_regs - = (struct iomuxc_base_regs *) IOMUXC_BASE_ADDR; - int ret = enable_sata_clock(); - if (ret) - return ret; - - clrsetbits_le32(&iomuxc_regs->gpr[13], - IOMUXC_GPR13_SATA_MASK, - IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB - |IOMUXC_GPR13_SATA_PHY_7_SATA2M - |IOMUXC_GPR13_SATA_SPEED_3G - |(3<<IOMUXC_GPR13_SATA_PHY_6_SHIFT) - |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED - |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_9_16 - |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_0P00_DB - |IOMUXC_GPR13_SATA_PHY_2_TX_1P104V - |IOMUXC_GPR13_SATA_PHY_1_SLOW); - - return 0; -} -#endif - -#if defined(CONFIG_VIDEO_IPUV3) - -static iomux_v3_cfg_t const backlight_pads[] = { - /* Backlight on RGB connector: J15 */ - MX6_PAD_SD1_DAT3__GPIO_1_21 | MUX_PAD_CTRL(NO_PAD_CTRL), -#define RGB_BACKLIGHT_GP IMX_GPIO_NR(1, 21) - - /* Backlight on LVDS connector: J6 */ - MX6_PAD_SD1_CMD__GPIO_1_18 | MUX_PAD_CTRL(NO_PAD_CTRL), -#define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 18) -}; - -static iomux_v3_cfg_t const rgb_pads[] = { - MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, - MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, - MX6_PAD_DI0_PIN2__IPU1_DI0_PIN2, - MX6_PAD_DI0_PIN3__IPU1_DI0_PIN3, - MX6_PAD_DI0_PIN4__GPIO_4_20, - MX6_PAD_DISP0_DAT0__IPU1_DISP0_DAT_0, - MX6_PAD_DISP0_DAT1__IPU1_DISP0_DAT_1, - MX6_PAD_DISP0_DAT2__IPU1_DISP0_DAT_2, - MX6_PAD_DISP0_DAT3__IPU1_DISP0_DAT_3, - MX6_PAD_DISP0_DAT4__IPU1_DISP0_DAT_4, - MX6_PAD_DISP0_DAT5__IPU1_DISP0_DAT_5, - MX6_PAD_DISP0_DAT6__IPU1_DISP0_DAT_6, - MX6_PAD_DISP0_DAT7__IPU1_DISP0_DAT_7, - MX6_PAD_DISP0_DAT8__IPU1_DISP0_DAT_8, - MX6_PAD_DISP0_DAT9__IPU1_DISP0_DAT_9, - MX6_PAD_DISP0_DAT10__IPU1_DISP0_DAT_10, - MX6_PAD_DISP0_DAT11__IPU1_DISP0_DAT_11, - MX6_PAD_DISP0_DAT12__IPU1_DISP0_DAT_12, - MX6_PAD_DISP0_DAT13__IPU1_DISP0_DAT_13, - MX6_PAD_DISP0_DAT14__IPU1_DISP0_DAT_14, - MX6_PAD_DISP0_DAT15__IPU1_DISP0_DAT_15, - MX6_PAD_DISP0_DAT16__IPU1_DISP0_DAT_16, - MX6_PAD_DISP0_DAT17__IPU1_DISP0_DAT_17, - MX6_PAD_DISP0_DAT18__IPU1_DISP0_DAT_18, - MX6_PAD_DISP0_DAT19__IPU1_DISP0_DAT_19, - MX6_PAD_DISP0_DAT20__IPU1_DISP0_DAT_20, - MX6_PAD_DISP0_DAT21__IPU1_DISP0_DAT_21, - MX6_PAD_DISP0_DAT22__IPU1_DISP0_DAT_22, - MX6_PAD_DISP0_DAT23__IPU1_DISP0_DAT_23, -}; - -struct display_info_t { - int bus; - int addr; - int pixfmt; - int (*detect)(struct display_info_t const *dev); - void (*enable)(struct display_info_t const *dev); - struct fb_videomode mode; -}; - - -static int detect_hdmi(struct display_info_t const *dev) -{ - struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; - return readb(&hdmi->phy_stat0) & HDMI_PHY_HPD; -} - -static void enable_hdmi(struct display_info_t const *dev) -{ - struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; - u8 reg; - printf("%s: setup HDMI monitor\n", __func__); - reg = readb(&hdmi->phy_conf0); - reg |= HDMI_PHY_CONF0_PDZ_MASK; - writeb(reg, &hdmi->phy_conf0); - - udelay(3000); - reg |= HDMI_PHY_CONF0_ENTMDS_MASK; - writeb(reg, &hdmi->phy_conf0); - udelay(3000); - reg |= HDMI_PHY_CONF0_GEN2_TXPWRON_MASK; - writeb(reg, &hdmi->phy_conf0); - writeb(HDMI_MC_PHYRSTZ_ASSERT, &hdmi->mc_phyrstz); -} - -static int detect_i2c(struct display_info_t const *dev) -{ - return ((0 == i2c_set_bus_num(dev->bus)) - && - (0 == i2c_probe(dev->addr))); -} - -static void enable_lvds(struct display_info_t const *dev) -{ - struct iomuxc *iomux = (struct iomuxc *) - IOMUXC_BASE_ADDR; - u32 reg = readl(&iomux->gpr[2]); - reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT; - writel(reg, &iomux->gpr[2]); - gpio_direction_output(LVDS_BACKLIGHT_GP, 1); -} - -static void enable_rgb(struct display_info_t const *dev) -{ - imx_iomux_v3_setup_multiple_pads( - rgb_pads, - ARRAY_SIZE(rgb_pads)); - gpio_direction_output(RGB_BACKLIGHT_GP, 1); -} - -static struct display_info_t const displays[] = {{ - .bus = -1, - .addr = 0, - .pixfmt = IPU_PIX_FMT_RGB24, - .detect = detect_hdmi, - .enable = 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 = 2, - .addr = 0x4, - .pixfmt = IPU_PIX_FMT_LVDS666, - .detect = detect_i2c, - .enable = enable_lvds, - .mode = { - .name = "Hannstar-XGA", - .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 = 2, - .addr = 0x38, - .pixfmt = IPU_PIX_FMT_LVDS666, - .detect = detect_i2c, - .enable = enable_lvds, - .mode = { - .name = "wsvga-lvds", - .refresh = 60, - .xres = 1024, - .yres = 600, - .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 = 2, - .addr = 0x48, - .pixfmt = IPU_PIX_FMT_RGB666, - .detect = detect_i2c, - .enable = enable_rgb, - .mode = { - .name = "wvga-rgb", - .refresh = 57, - .xres = 800, - .yres = 480, - .pixclock = 37037, - .left_margin = 40, - .right_margin = 60, - .upper_margin = 10, - .lower_margin = 10, - .hsync_len = 20, - .vsync_len = 10, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED -} } }; - -int board_video_skip(void) -{ - int i; - int ret; - char const *panel = getenv("panel"); - if (!panel) { - for (i = 0; i < ARRAY_SIZE(displays); i++) { - struct display_info_t const *dev = displays+i; - if (dev->detect(dev)) { - panel = dev->mode.name; - printf("auto-detected panel %s\n", panel); - break; - } - } - if (!panel) { - panel = displays[0].mode.name; - printf("No panel detected: default to %s\n", panel); - } - } else { - for (i = 0; i < ARRAY_SIZE(displays); i++) { - if (!strcmp(panel, displays[i].mode.name)) - break; - } - } - if (i < ARRAY_SIZE(displays)) { - ret = ipuv3_fb_init(&displays[i].mode, 0, - displays[i].pixfmt); - if (!ret) { - displays[i].enable(displays+i); - printf("Display: %s (%ux%u)\n", - displays[i].mode.name, - displays[i].mode.xres, - displays[i].mode.yres); - } else - printf("LCD %s cannot be configured: %d\n", - displays[i].mode.name, ret); - } else { - printf("unsupported panel %s\n", panel); - ret = -EINVAL; - } - return (0 != ret); -} - -static void setup_display(void) -{ - struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; - struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; - struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; - - int reg; - - /* Turn on LDB0,IPU,IPU DI0 clocks */ - reg = __raw_readl(&mxc_ccm->CCGR3); - reg |= MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET - |MXC_CCM_CCGR3_LDB_DI0_MASK; - writel(reg, &mxc_ccm->CCGR3); - - /* Turn on HDMI PHY clock */ - reg = __raw_readl(&mxc_ccm->CCGR2); - reg |= MXC_CCM_CCGR2_HDMI_TX_IAHBCLK_MASK - |MXC_CCM_CCGR2_HDMI_TX_ISFRCLK_MASK; - writel(reg, &mxc_ccm->CCGR2); - - /* clear HDMI PHY reset */ - writeb(HDMI_MC_PHYRSTZ_DEASSERT, &hdmi->mc_phyrstz); - - /* set PFD1_FRAC to 0x13 == 455 MHz (480*18)/0x13 */ - writel(ANATOP_PFD_480_PFD1_FRAC_MASK, &anatop->pfd_480_clr); - writel(0x13<<ANATOP_PFD_480_PFD1_FRAC_SHIFT, &anatop->pfd_480_set); - - /* set LDB0, LDB1 clk select to 011/011 */ - reg = readl(&mxc_ccm->cs2cdr); - reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK - |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); - reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) - |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); - writel(reg, &mxc_ccm->cs2cdr); - - reg = readl(&mxc_ccm->cscmr2); - reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; - writel(reg, &mxc_ccm->cscmr2); - - reg = readl(&mxc_ccm->chsccdr); - reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK - |MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK - |MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK); - reg |= (CHSCCDR_CLK_SEL_LDB_DI0 - <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET) - |(CHSCCDR_PODF_DIVIDE_BY_3 - <<MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) - |(CHSCCDR_IPU_PRE_CLK_540M_PFD - <<MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET); - writel(reg, &mxc_ccm->chsccdr); - - reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES - |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH - |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW - |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG - |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT - |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG - |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT - |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED - |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; - writel(reg, &iomux->gpr[2]); - - reg = readl(&iomux->gpr[3]); - reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK) - | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 - <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); - writel(reg, &iomux->gpr[3]); - - /* backlights off until needed */ - imx_iomux_v3_setup_multiple_pads(backlight_pads, - ARRAY_SIZE(backlight_pads)); - gpio_direction_input(LVDS_BACKLIGHT_GP); - gpio_direction_input(RGB_BACKLIGHT_GP); -} -#endif - -int board_early_init_f(void) -{ - setup_iomux_uart(); - setup_buttons(); - -#if defined(CONFIG_VIDEO_IPUV3) - setup_display(); -#endif - return 0; -} - -/* - * Do not overwrite the console - * Use always serial for U-Boot console - */ -int overwrite_console(void) -{ - return 1; -} - -int board_init(void) -{ - /* address of boot parameters */ - gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; - -#ifdef CONFIG_MXC_SPI - setup_spi(); -#endif - setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); - setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); - setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); - -#ifdef CONFIG_CMD_SATA - setup_sata(); -#endif - - return 0; -} - -int checkboard(void) -{ - puts("Board: MX6Q-Sabre Lite\n"); - - return 0; -} - -struct button_key { - char const *name; - unsigned gpnum; - char ident; -}; - -static struct button_key const buttons[] = { - {"back", IMX_GPIO_NR(2, 2), 'B'}, - {"home", IMX_GPIO_NR(2, 4), 'H'}, - {"menu", IMX_GPIO_NR(2, 1), 'M'}, - {"search", IMX_GPIO_NR(2, 3), 'S'}, - {"volup", IMX_GPIO_NR(7, 13), 'V'}, - {"voldown", IMX_GPIO_NR(4, 5), 'v'}, -}; - -/* - * generate a null-terminated string containing the buttons pressed - * returns number of keys pressed - */ -static int read_keys(char *buf) -{ - int i, numpressed = 0; - for (i = 0; i < ARRAY_SIZE(buttons); i++) { - if (!gpio_get_value(buttons[i].gpnum)) - buf[numpressed++] = buttons[i].ident; - } - buf[numpressed] = '\0'; - return numpressed; -} - -static int do_kbd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - char envvalue[ARRAY_SIZE(buttons)+1]; - int numpressed = read_keys(envvalue); - setenv("keybd", envvalue); - return numpressed == 0; -} - -U_BOOT_CMD( - kbd, 1, 1, do_kbd, - "Tests for keypresses, sets 'keybd' environment variable", - "Returns 0 (true) to shell if key is pressed." -); - -#ifdef CONFIG_PREBOOT -static char const kbd_magic_prefix[] = "key_magic"; -static char const kbd_command_prefix[] = "key_cmd"; - -static void preboot_keys(void) -{ - int numpressed; - char keypress[ARRAY_SIZE(buttons)+1]; - numpressed = read_keys(keypress); - if (numpressed) { - char *kbd_magic_keys = getenv("magic_keys"); - char *suffix; - /* - * loop over all magic keys - */ - for (suffix = kbd_magic_keys; *suffix; ++suffix) { - char *keys; - char magic[sizeof(kbd_magic_prefix) + 1]; - sprintf(magic, "%s%c", kbd_magic_prefix, *suffix); - keys = getenv(magic); - if (keys) { - if (!strcmp(keys, keypress)) - break; - } - } - if (*suffix) { - char cmd_name[sizeof(kbd_command_prefix) + 1]; - char *cmd; - sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix); - cmd = getenv(cmd_name); - if (cmd) { - setenv("preboot", cmd); - return; - } - } - } -} -#endif - -#ifdef CONFIG_CMD_BMODE -static const struct boot_mode board_boot_modes[] = { - /* 4 bit bus width */ - {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, - {"mmc1", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, - {NULL, 0}, -}; -#endif - -int misc_init_r(void) -{ -#ifdef CONFIG_PREBOOT - preboot_keys(); -#endif - -#ifdef CONFIG_CMD_BMODE - add_board_boot_modes(board_boot_modes); -#endif - return 0; -} |
