diff options
Diffstat (limited to 'board/aristainetos/aristainetos-v2.c')
| -rw-r--r-- | board/aristainetos/aristainetos-v2.c | 687 |
1 files changed, 0 insertions, 687 deletions
diff --git a/board/aristainetos/aristainetos-v2.c b/board/aristainetos/aristainetos-v2.c deleted file mode 100644 index a12c063e5bb..00000000000 --- a/board/aristainetos/aristainetos-v2.c +++ /dev/null @@ -1,687 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2015 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * Based on: - * Copyright (C) 2012 Freescale Semiconductor, Inc. - * - * Author: Fabio Estevam <fabio.estevam@freescale.com> - */ - -#include <init.h> -#include <asm/arch/clock.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux.h> -#include <asm/arch/mx6-pins.h> -#include <env.h> -#include <linux/errno.h> -#include <asm/gpio.h> -#include <asm/mach-imx/iomux-v3.h> -#include <asm/mach-imx/boot_mode.h> -#include <asm/mach-imx/mxc_i2c.h> -#include <asm/mach-imx/video.h> -#include <mmc.h> -#include <fsl_esdhc_imx.h> -#include <miiphy.h> -#include <netdev.h> -#include <asm/arch/mxc_hdmi.h> -#include <asm/arch/crm_regs.h> -#include <linux/fb.h> -#include <ipu_pixfmt.h> -#include <asm/io.h> -#include <asm/arch/sys_proto.h> -#include <pwm.h> -#include <micrel.h> -#include <spi.h> -#include <video.h> -#include <../drivers/video/imx/ipu.h> -#if defined(CONFIG_VIDEO_BMP_LOGO) - #include <bmp_logo.h> -#endif - -#define USDHC2_PAD_CTRL (PAD_CTL_SPEED_LOW | \ - PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) - -#if (CONFIG_SYS_BOARD_VERSION == 2) - /* 4.3 display controller */ - #define ECSPI1_CS0 IMX_GPIO_NR(4, 9) - #define ECSPI4_CS0 IMX_GPIO_NR(3, 29) -#elif (CONFIG_SYS_BOARD_VERSION == 3) - #define ECSPI1_CS0 IMX_GPIO_NR(2, 30) /* NOR flash */ - /* 4.3 display controller */ - #define ECSPI1_CS1 IMX_GPIO_NR(4, 10) -#endif - -#define SOFT_RESET_GPIO IMX_GPIO_NR(7, 13) -#define SD2_DRIVER_ENABLE IMX_GPIO_NR(7, 8) - -struct i2c_pads_info i2c_pad_info3 = { - .scl = { - .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | PC, - .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05 | PC, - .gp = IMX_GPIO_NR(1, 5) - }, - .sda = { - .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC, - .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC, - .gp = IMX_GPIO_NR(1, 6) - } -}; - -struct i2c_pads_info i2c_pad_info4 = { - .scl = { - .i2c_mode = MX6_PAD_GPIO_7__I2C4_SCL | PC, - .gpio_mode = MX6_PAD_GPIO_7__GPIO1_IO07 | PC, - .gp = IMX_GPIO_NR(1, 7) - }, - .sda = { - .i2c_mode = MX6_PAD_GPIO_8__I2C4_SDA | PC, - .gpio_mode = MX6_PAD_GPIO_8__GPIO1_IO08 | PC, - .gp = IMX_GPIO_NR(1, 8) - } -}; - -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), - MX6_PAD_EIM_D19__UART1_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D20__UART1_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -iomux_v3_cfg_t const uart2_pads[] = { - MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -iomux_v3_cfg_t const uart3_pads[] = { - MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -iomux_v3_cfg_t const uart4_pads[] = { - MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), - MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), -}; - -iomux_v3_cfg_t const gpio_pads[] = { - /* LED enable*/ - MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* LED yellow */ - MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* LED red */ -#if (CONFIG_SYS_BOARD_VERSION == 2) - MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), -#elif (CONFIG_SYS_BOARD_VERSION == 3) - MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), -#endif - /* LED green */ - MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* LED blue */ - MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* spi flash WP protect */ - MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* spi CS 0 */ - MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* spi bus #2 SS driver enable */ - MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* RST_LOC# PHY reset input (has pull-down!)*/ - MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* SD 2 level shifter output enable */ - MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* SD1 card detect input */ - MX6_PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* SD1 write protect input */ - MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* SD2 card detect input */ - MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* SD2 write protect input */ - MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* Touchscreen IRQ */ - MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -static iomux_v3_cfg_t const misc_pads[] = { - /* USB_OTG_ID = GPIO1_24*/ - MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), - /* H1 Power enable = GPIO1_0*/ - MX6_PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), - /* OTG Power enable = GPIO4_15*/ - MX6_PAD_KEY_ROW4__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -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), -}; - -static iomux_v3_cfg_t const backlight_pads[] = { - /* backlight PWM brightness control */ - MX6_PAD_GPIO_9__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), - /* backlight enable */ - MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), - /* LCD power enable */ - MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -static iomux_v3_cfg_t const ecspi1_pads[] = { - MX6_PAD_EIM_D16__ECSPI1_SCLK | 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), -#if (CONFIG_SYS_BOARD_VERSION == 2) - MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(SPI_PAD_CTRL), -#elif (CONFIG_SYS_BOARD_VERSION == 3) - MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), -#endif -}; - -static void setup_iomux_enet(void) -{ - imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); -} - -#if (CONFIG_SYS_BOARD_VERSION == 2) -iomux_v3_cfg_t const ecspi4_pads[] = { - MX6_PAD_EIM_D21__ECSPI4_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL), - MX6_PAD_EIM_D22__ECSPI4_MISO | MUX_PAD_CTRL(NO_PAD_CTRL), - MX6_PAD_EIM_D28__ECSPI4_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL), - MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), - MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; -#endif - -static iomux_v3_cfg_t const display_pads[] = { - MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(DISP_PAD_CTRL), - MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, - MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, - MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, - MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, - MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, - MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, - MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, - MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, - MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, - MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, - MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, - MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, - MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, - MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, - MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, - MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, - MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, - MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, - MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, - MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16, - MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17, - MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18, - MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19, - MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20, - MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21, - MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22, - MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23, -}; - -int board_spi_cs_gpio(unsigned bus, unsigned cs) -{ - if (bus == CONFIG_SF_DEFAULT_BUS && cs == CONFIG_SF_DEFAULT_CS) -#if (CONFIG_SYS_BOARD_VERSION == 2) - return IMX_GPIO_NR(5, 2); - - if (bus == 0 && cs == 0) - return IMX_GPIO_NR(4, 9); -#elif (CONFIG_SYS_BOARD_VERSION == 3) - return ECSPI1_CS0; - - if (bus == 0 && cs == 1) - return ECSPI1_CS1; -#endif - return -1; -} - -static void setup_spi(void) -{ - int i; - - imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); - -#if (CONFIG_SYS_BOARD_VERSION == 2) - imx_iomux_v3_setup_multiple_pads(ecspi4_pads, ARRAY_SIZE(ecspi4_pads)); -#endif - - for (i = 0; i < 4; i++) - enable_spi_clk(true, i); - - gpio_direction_output(ECSPI1_CS0, 1); -#if (CONFIG_SYS_BOARD_VERSION == 2) - gpio_direction_output(ECSPI4_CS1, 0); - /* set cs0 to high (second device on spi bus #4) */ - gpio_direction_output(ECSPI4_CS0, 1); -#elif (CONFIG_SYS_BOARD_VERSION == 3) - gpio_direction_output(ECSPI1_CS1, 1); -#endif -} - -static void setup_iomux_uart(void) -{ - switch (CONFIG_MXC_UART_BASE) { - case UART1_BASE: - imx_iomux_v3_setup_multiple_pads(uart1_pads, - ARRAY_SIZE(uart1_pads)); - break; - case UART2_BASE: - imx_iomux_v3_setup_multiple_pads(uart2_pads, - ARRAY_SIZE(uart2_pads)); - break; - case UART3_BASE: - imx_iomux_v3_setup_multiple_pads(uart3_pads, - ARRAY_SIZE(uart3_pads)); - break; - case UART4_BASE: - imx_iomux_v3_setup_multiple_pads(uart4_pads, - ARRAY_SIZE(uart4_pads)); - break; - } -} - -int board_phy_config(struct phy_device *phydev) -{ - /* control data pad skew - devaddr = 0x02, register = 0x04 */ - ksz9031_phy_extended_write(phydev, 0x02, - MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, - MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); - /* rx data pad skew - devaddr = 0x02, register = 0x05 */ - ksz9031_phy_extended_write(phydev, 0x02, - MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, - MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); - /* tx data pad skew - devaddr = 0x02, register = 0x06 */ - ksz9031_phy_extended_write(phydev, 0x02, - MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, - MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); - /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */ - ksz9031_phy_extended_write(phydev, 0x02, - MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, - MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF); - - if (phydev->drv->config) - phydev->drv->config(phydev); - - return 0; -} - -int board_eth_init(bd_t *bis) -{ - setup_iomux_enet(); - return cpu_eth_init(bis); -} - -static int rotate_logo_one(unsigned char *out, unsigned char *in) -{ - int i, j; - - for (i = 0; i < BMP_LOGO_WIDTH; i++) - for (j = 0; j < BMP_LOGO_HEIGHT; j++) - out[j * BMP_LOGO_WIDTH + BMP_LOGO_HEIGHT - 1 - i] = - in[i * BMP_LOGO_WIDTH + j]; - return 0; -} - -/* - * Rotate the BMP_LOGO (only) - * Will only work, if the logo is square, as - * BMP_LOGO_HEIGHT and BMP_LOGO_WIDTH are defines, not variables - */ -void rotate_logo(int rotations) -{ - unsigned char out_logo[BMP_LOGO_WIDTH * BMP_LOGO_HEIGHT]; - unsigned char *in_logo; - int i, j; - - if (BMP_LOGO_WIDTH != BMP_LOGO_HEIGHT) - return; - - in_logo = bmp_logo_bitmap; - - /* one 90 degree rotation */ - if (rotations == 1 || rotations == 2 || rotations == 3) - rotate_logo_one(out_logo, in_logo); - - /* second 90 degree rotation */ - if (rotations == 2 || rotations == 3) - rotate_logo_one(in_logo, out_logo); - - /* third 90 degree rotation */ - if (rotations == 3) - rotate_logo_one(out_logo, in_logo); - - /* copy result back to original array */ - if (rotations == 1 || rotations == 3) - for (i = 0; i < BMP_LOGO_WIDTH; i++) - for (j = 0; j < BMP_LOGO_HEIGHT; j++) - in_logo[i * BMP_LOGO_WIDTH + j] = - out_logo[i * BMP_LOGO_WIDTH + j]; -} - -static void enable_display_power(void) -{ - imx_iomux_v3_setup_multiple_pads(backlight_pads, - ARRAY_SIZE(backlight_pads)); - - /* backlight enable */ - gpio_direction_output(IMX_GPIO_NR(6, 31), 1); - /* LCD power enable */ - gpio_direction_output(IMX_GPIO_NR(6, 15), 1); - - /* enable backlight PWM 1 */ - if (pwm_init(0, 0, 0)) - goto error; - /* duty cycle 500ns, period: 3000ns */ - if (pwm_config(0, 50000, 300000)) - goto error; - if (pwm_enable(0)) - goto error; - return; - -error: - puts("error init pwm for backlight\n"); - return; -} - -static void enable_lvds(struct display_info_t const *dev) -{ - struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; - struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - int reg; - s32 timeout = 100000; - - /* set PLL5 clock */ - reg = readl(&ccm->analog_pll_video); - reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN; - writel(reg, &ccm->analog_pll_video); - - /* set PLL5 to 232720000Hz */ - reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT; - reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x26); - reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT; - reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0); - writel(reg, &ccm->analog_pll_video); - - writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xC0238), - &ccm->analog_pll_video_num); - writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xF4240), - &ccm->analog_pll_video_denom); - - reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN; - writel(reg, &ccm->analog_pll_video); - - while (timeout--) - if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK) - break; - if (timeout < 0) - printf("Warning: video pll lock timeout!\n"); - - reg = readl(&ccm->analog_pll_video); - reg |= BM_ANADIG_PLL_VIDEO_ENABLE; - reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS; - writel(reg, &ccm->analog_pll_video); - - /* set LDB0, LDB1 clk select to 000/000 (PLL5 clock) */ - reg = readl(&ccm->cs2cdr); - reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK - | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); - reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) - | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); - writel(reg, &ccm->cs2cdr); - - reg = readl(&ccm->cscmr2); - reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; - writel(reg, &ccm->cscmr2); - - reg = readl(&ccm->chsccdr); - reg |= (CHSCCDR_CLK_SEL_LDB_DI0 - << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); - writel(reg, &ccm->chsccdr); - - reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES - | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH - | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH - | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG - | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT - | 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]); - - return; -} - -static void enable_spi_display(struct display_info_t const *dev) -{ - struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; - struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - int reg; - s32 timeout = 100000; - -#if defined(CONFIG_VIDEO_BMP_LOGO) - rotate_logo(3); /* portrait display in landscape mode */ -#endif - - /* - * set ldb clock to 28341000 Hz calculated through the formula: - * (XRES + LEFT_M + RIGHT_M + HSYNC_LEN) * - * (YRES + UPPER_M + LOWER_M + VSYNC_LEN) * REFRESH) - * see: - * https://community.freescale.com/thread/308170 - */ - ipu_set_ldb_clock(28341000); - - reg = readl(&ccm->cs2cdr); - - /* select pll 5 clock */ - reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK - | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); - writel(reg, &ccm->cs2cdr); - - /* set PLL5 to 197994996Hz */ - reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT; - reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x21); - reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT; - reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0); - writel(reg, &ccm->analog_pll_video); - - writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xfbf4), - &ccm->analog_pll_video_num); - writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xf4240), - &ccm->analog_pll_video_denom); - - reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN; - writel(reg, &ccm->analog_pll_video); - - while (timeout--) - if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK) - break; - if (timeout < 0) - printf("Warning: video pll lock timeout!\n"); - - reg = readl(&ccm->analog_pll_video); - reg |= BM_ANADIG_PLL_VIDEO_ENABLE; - reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS; - writel(reg, &ccm->analog_pll_video); - - /* set LDB0, LDB1 clk select to 000/000 (PLL5 clock) */ - reg = readl(&ccm->cs2cdr); - reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK - | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); - reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) - | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); - writel(reg, &ccm->cs2cdr); - - reg = readl(&ccm->cscmr2); - reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; - writel(reg, &ccm->cscmr2); - - reg = readl(&ccm->chsccdr); - reg |= (CHSCCDR_CLK_SEL_LDB_DI0 - << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); - reg &= ~MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK; - reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET); - reg &= ~MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK; - reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET); - writel(reg, &ccm->chsccdr); - - reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES - | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH - | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH - | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG - | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT - | 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]); - - imx_iomux_v3_setup_multiple_pads( - display_pads, - ARRAY_SIZE(display_pads)); - - return; -} -static void setup_display(void) -{ - enable_ipu_clock(); - enable_display_power(); -} - -static void setup_iomux_gpio(void) -{ - imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); -} - -static void set_gpr_register(void) -{ - struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; - - writel(IOMUXC_GPR1_APP_CLK_REQ_N | IOMUXC_GPR1_PCIE_RDY_L23 | - IOMUXC_GPR1_EXC_MON_SLVE | - (2 << IOMUXC_GPR1_ADDRS0_OFFSET) | - IOMUXC_GPR1_ACT_CS0, - &iomuxc_regs->gpr[1]); - writel(0x0, &iomuxc_regs->gpr[8]); - writel(IOMUXC_GPR12_ARMP_IPG_CLK_EN | IOMUXC_GPR12_ARMP_AHB_CLK_EN | - IOMUXC_GPR12_ARMP_ATB_CLK_EN | IOMUXC_GPR12_ARMP_APB_CLK_EN, - &iomuxc_regs->gpr[12]); -} - -int board_early_init_f(void) -{ - setup_iomux_uart(); - setup_iomux_gpio(); - - gpio_direction_output(SOFT_RESET_GPIO, 1); - gpio_direction_output(SD2_DRIVER_ENABLE, 1); - setup_display(); - set_gpr_register(); - return 0; -} - -static void setup_i2c4(void) -{ - setup_i2c(3, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, - &i2c_pad_info4); -} - -static void setup_board_gpio(void) -{ - /* enable all LEDs */ - gpio_request(IMX_GPIO_NR(2, 13), "LED ena"); /* 25 */ - gpio_direction_output(IMX_GPIO_NR(1, 25), 0); - - /* switch off Status LEDs */ -#if (CONFIG_SYS_BOARD_VERSION == 2) - gpio_request(IMX_GPIO_NR(6, 16), "LED yellow"); /* 176 */ - gpio_direction_output(IMX_GPIO_NR(6, 16), 1); - gpio_request(IMX_GPIO_NR(2, 28), "LED red"); /* 60 */ - gpio_direction_output(IMX_GPIO_NR(2, 28), 1); - gpio_request(IMX_GPIO_NR(5, 4), "LED green"); /* 132 */ - gpio_direction_output(IMX_GPIO_NR(5, 4), 1); - gpio_request(IMX_GPIO_NR(2, 29), "LED blue"); /* 61 */ - gpio_direction_output(IMX_GPIO_NR(2, 29), 1); -#elif (CONFIG_SYS_BOARD_VERSION == 3) - gpio_request(IMX_GPIO_NR(6, 16), "LED yellow"); /* 176 */ - gpio_direction_output(IMX_GPIO_NR(6, 16), 0); - gpio_request(IMX_GPIO_NR(5, 0), "LED red"); /* 128 */ - gpio_direction_output(IMX_GPIO_NR(5, 0), 0); - gpio_request(IMX_GPIO_NR(5, 4), "LED green"); /* 132 */ - gpio_direction_output(IMX_GPIO_NR(5, 4), 0); - gpio_request(IMX_GPIO_NR(2, 29), "LED blue"); /* 61 */ - gpio_direction_output(IMX_GPIO_NR(2, 29), 0); -#endif -} - -static void setup_board_spi(void) -{ - /* enable spi bus #2 SS drivers (and spi bus #4 SS1 for rev2b) */ - gpio_direction_output(IMX_GPIO_NR(6, 6), 1); -} - -int board_late_init(void) -{ - char *my_bootdelay; - char bootmode = 0; - char const *panel = env_get("panel"); - - /* - * Check the boot-source. If booting from NOR Flash, - * disable bootdelay - */ - gpio_request(IMX_GPIO_NR(7, 6), "bootsel0"); - gpio_direction_input(IMX_GPIO_NR(7, 6)); - gpio_request(IMX_GPIO_NR(7, 7), "bootsel1"); - gpio_direction_input(IMX_GPIO_NR(7, 7)); - gpio_request(IMX_GPIO_NR(7, 1), "bootsel2"); - gpio_direction_input(IMX_GPIO_NR(7, 1)); - bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 6)) ? 1 : 0) << 0; - bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 7)) ? 1 : 0) << 1; - bootmode |= (gpio_get_value(IMX_GPIO_NR(7, 1)) ? 1 : 0) << 2; - - if (bootmode == 7) { - my_bootdelay = env_get("nor_bootdelay"); - if (my_bootdelay != NULL) - env_set("bootdelay", my_bootdelay); - else - env_set("bootdelay", "-2"); - } - - /* if we have the lg panel, we can initialze it now */ - if (panel) - if (!strcmp(panel, displays[1].mode.name)) - lg4573_spi_startup(CONFIG_LG4573_BUS, - CONFIG_LG4573_CS, - 10000000, SPI_MODE_0); - - return 0; -} |