mirror of
https://github.com/AsahiLinux/u-boot
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1008 lines
26 KiB
C
1008 lines
26 KiB
C
/*
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* Copyright (C) 2013 Gateworks Corporation
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*
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* Author: Tim Harvey <tharvey@gateworks.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/mxc_hdmi.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/imx-common/boot_mode.h>
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#include <asm/imx-common/sata.h>
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#include <asm/imx-common/spi.h>
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#include <asm/imx-common/video.h>
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#include <asm/io.h>
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#include <dm.h>
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#include <dm/platform_data/serial_mxc.h>
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#include <hwconfig.h>
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#include <i2c.h>
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#include <fdt_support.h>
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#include <fsl_esdhc.h>
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#include <jffs2/load_kernel.h>
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#include <linux/ctype.h>
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#include <miiphy.h>
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#include <mtd_node.h>
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#include <netdev.h>
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#include <pci.h>
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#include <power/pmic.h>
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#include <power/ltc3676_pmic.h>
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#include <power/pfuze100_pmic.h>
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#include <fdt_support.h>
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#include <jffs2/load_kernel.h>
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#include <spi_flash.h>
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#include "gsc.h"
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#include "common.h"
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* EEPROM board info struct populated by read_eeprom so that we only have to
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* read it once.
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*/
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struct ventana_board_info ventana_info;
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static int board_type;
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/* MMC */
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static iomux_v3_cfg_t const usdhc3_pads[] = {
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IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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};
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/* ENET */
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static iomux_v3_cfg_t const enet_pads[] = {
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IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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/* PHY nRST */
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IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG),
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};
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/* NAND */
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static iomux_v3_cfg_t const nfc_pads[] = {
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IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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};
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#ifdef CONFIG_CMD_NAND
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static void setup_gpmi_nand(void)
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{
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struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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/* config gpmi nand iomux */
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SETUP_IOMUX_PADS(nfc_pads);
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/* config gpmi and bch clock to 100 MHz */
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clrsetbits_le32(&mxc_ccm->cs2cdr,
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MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
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MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
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MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
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MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
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MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
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MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
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/* enable gpmi and bch clock gating */
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setbits_le32(&mxc_ccm->CCGR4,
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MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
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MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
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/* enable apbh clock gating */
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setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
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}
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#endif
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static void setup_iomux_enet(int gpio)
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{
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SETUP_IOMUX_PADS(enet_pads);
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/* toggle PHY_RST# */
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gpio_request(gpio, "phy_rst#");
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gpio_direction_output(gpio, 0);
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mdelay(2);
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gpio_set_value(gpio, 1);
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}
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#ifdef CONFIG_USB_EHCI_MX6
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static iomux_v3_cfg_t const usb_pads[] = {
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IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | DIO_PAD_CFG),
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IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG),
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/* OTG PWR */
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IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22 | DIO_PAD_CFG),
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};
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int board_ehci_hcd_init(int port)
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{
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int gpio;
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SETUP_IOMUX_PADS(usb_pads);
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/* Reset USB HUB */
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switch (board_type) {
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case GW53xx:
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case GW552x:
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gpio = (IMX_GPIO_NR(1, 9));
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break;
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case GW54proto:
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case GW54xx:
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gpio = (IMX_GPIO_NR(1, 16));
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break;
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default:
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return 0;
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}
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/* request and toggle hub rst */
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gpio_request(gpio, "usb_hub_rst#");
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gpio_direction_output(gpio, 0);
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mdelay(2);
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gpio_set_value(gpio, 1);
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return 0;
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}
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int board_ehci_power(int port, int on)
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{
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if (port)
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return 0;
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gpio_set_value(GP_USB_OTG_PWR, on);
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return 0;
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}
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#endif /* CONFIG_USB_EHCI_MX6 */
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#ifdef CONFIG_FSL_ESDHC
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static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
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int board_mmc_getcd(struct mmc *mmc)
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{
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/* Card Detect */
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gpio_request(GP_SD3_CD, "sd_cd");
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gpio_direction_input(GP_SD3_CD);
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return !gpio_get_value(GP_SD3_CD);
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}
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int board_mmc_init(bd_t *bis)
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{
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/* Only one USDHC controller on Ventana */
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SETUP_IOMUX_PADS(usdhc3_pads);
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usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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usdhc_cfg.max_bus_width = 4;
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return fsl_esdhc_initialize(bis, &usdhc_cfg);
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}
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#endif /* CONFIG_FSL_ESDHC */
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#ifdef CONFIG_MXC_SPI
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iomux_v3_cfg_t const ecspi1_pads[] = {
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/* SS1 */
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IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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};
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int board_spi_cs_gpio(unsigned bus, unsigned cs)
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{
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return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1;
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}
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static void setup_spi(void)
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{
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gpio_request(IMX_GPIO_NR(3, 19), "spi_cs");
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gpio_direction_output(IMX_GPIO_NR(3, 19), 1);
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SETUP_IOMUX_PADS(ecspi1_pads);
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}
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#endif
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/* configure eth0 PHY board-specific LED behavior */
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int board_phy_config(struct phy_device *phydev)
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{
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unsigned short val;
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/* Marvel 88E1510 */
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if (phydev->phy_id == 0x1410dd1) {
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/*
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* Page 3, Register 16: LED[2:0] Function Control Register
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* LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
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* LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
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*/
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phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
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val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
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val &= 0xff00;
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val |= 0x0017;
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phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
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phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
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}
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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#ifdef CONFIG_FEC_MXC
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struct ventana_board_info *info = &ventana_info;
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if (test_bit(EECONFIG_ETH0, info->config)) {
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setup_iomux_enet(GP_PHY_RST);
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cpu_eth_init(bis);
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}
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#endif
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#ifdef CONFIG_E1000
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e1000_initialize(bis);
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#endif
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#ifdef CONFIG_CI_UDC
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/* For otg ethernet*/
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usb_eth_initialize(bis);
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#endif
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/* default to the first detected enet dev */
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if (!getenv("ethprime")) {
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struct eth_device *dev = eth_get_dev_by_index(0);
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if (dev) {
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setenv("ethprime", dev->name);
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printf("set ethprime to %s\n", getenv("ethprime"));
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}
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}
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return 0;
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}
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#if defined(CONFIG_VIDEO_IPUV3)
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static void enable_hdmi(struct display_info_t const *dev)
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{
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imx_enable_hdmi_phy();
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}
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static int detect_i2c(struct display_info_t const *dev)
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{
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return i2c_set_bus_num(dev->bus) == 0 &&
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i2c_probe(dev->addr) == 0;
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}
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static void enable_lvds(struct display_info_t const *dev)
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{
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struct iomuxc *iomux = (struct iomuxc *)
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IOMUXC_BASE_ADDR;
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/* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
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u32 reg = readl(&iomux->gpr[2]);
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reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
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writel(reg, &iomux->gpr[2]);
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/* Enable Backlight */
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gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
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gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
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gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
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SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
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gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
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}
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struct display_info_t const displays[] = {{
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/* HDMI Output */
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.bus = -1,
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.addr = 0,
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.pixfmt = IPU_PIX_FMT_RGB24,
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.detect = detect_hdmi,
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.enable = enable_hdmi,
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.mode = {
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.name = "HDMI",
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.refresh = 60,
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.xres = 1024,
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.yres = 768,
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.pixclock = 15385,
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.left_margin = 220,
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.right_margin = 40,
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.upper_margin = 21,
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.lower_margin = 7,
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.hsync_len = 60,
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.vsync_len = 10,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} }, {
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/* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
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.bus = 2,
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.addr = 0x4,
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.pixfmt = IPU_PIX_FMT_LVDS666,
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.detect = detect_i2c,
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.enable = enable_lvds,
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.mode = {
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.name = "Hannstar-XGA",
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.refresh = 60,
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.xres = 1024,
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.yres = 768,
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.pixclock = 15385,
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.left_margin = 220,
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.right_margin = 40,
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.upper_margin = 21,
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.lower_margin = 7,
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.hsync_len = 60,
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.vsync_len = 10,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} }, {
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/* DLC700JMG-T-4 */
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.bus = 0,
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.addr = 0,
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.detect = NULL,
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.enable = enable_lvds,
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.pixfmt = IPU_PIX_FMT_LVDS666,
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.mode = {
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.name = "DLC700JMGT4",
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.refresh = 60,
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.xres = 1024, /* 1024x600active pixels */
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.yres = 600,
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.pixclock = 15385, /* 64MHz */
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.left_margin = 220,
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.right_margin = 40,
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.upper_margin = 21,
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.lower_margin = 7,
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.hsync_len = 60,
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.vsync_len = 10,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} }, {
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/* DLC800FIG-T-3 */
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.bus = 0,
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.addr = 0,
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.detect = NULL,
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.enable = enable_lvds,
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.pixfmt = IPU_PIX_FMT_LVDS666,
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.mode = {
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.name = "DLC800FIGT3",
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.refresh = 60,
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.xres = 1024, /* 1024x768 active pixels */
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.yres = 768,
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.pixclock = 15385, /* 64MHz */
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.left_margin = 220,
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.right_margin = 40,
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.upper_margin = 21,
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.lower_margin = 7,
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.hsync_len = 60,
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.vsync_len = 10,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} } };
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size_t display_count = ARRAY_SIZE(displays);
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static void setup_display(void)
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{
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struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
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int reg;
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enable_ipu_clock();
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imx_setup_hdmi();
|
|
/* Turn on LDB0,IPU,IPU DI0 clocks */
|
|
reg = __raw_readl(&mxc_ccm->CCGR3);
|
|
reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
|
|
writel(reg, &mxc_ccm->CCGR3);
|
|
|
|
/* 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 |= (CHSCCDR_CLK_SEL_LDB_DI0
|
|
<<MXC_CCM_CHSCCDR_IPU1_DI0_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]);
|
|
|
|
/* LVDS Backlight GPIO on LVDS connector - output low */
|
|
SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
|
|
gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
|
|
}
|
|
#endif /* CONFIG_VIDEO_IPUV3 */
|
|
|
|
/* setup board specific PMIC */
|
|
int power_init_board(void)
|
|
{
|
|
setup_pmic();
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_CMD_PCI)
|
|
int imx6_pcie_toggle_reset(void)
|
|
{
|
|
if (board_type < GW_UNKNOWN) {
|
|
uint pin = gpio_cfg[board_type].pcie_rst;
|
|
gpio_request(pin, "pci_rst#");
|
|
gpio_direction_output(pin, 0);
|
|
mdelay(50);
|
|
gpio_direction_output(pin, 1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its
|
|
* GPIO's as PERST# signals for its downstream ports - configure the GPIO's
|
|
* properly and assert reset for 100ms.
|
|
*/
|
|
void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
|
|
unsigned short vendor, unsigned short device,
|
|
unsigned short class)
|
|
{
|
|
u32 dw;
|
|
|
|
debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__,
|
|
PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device);
|
|
if (vendor == PCI_VENDOR_ID_PLX &&
|
|
(device & 0xfff0) == 0x8600 &&
|
|
PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) {
|
|
debug("configuring PLX 860X downstream PERST#\n");
|
|
pci_hose_read_config_dword(hose, dev, 0x62c, &dw);
|
|
dw |= 0xaaa8; /* GPIO1-7 outputs */
|
|
pci_hose_write_config_dword(hose, dev, 0x62c, dw);
|
|
|
|
pci_hose_read_config_dword(hose, dev, 0x644, &dw);
|
|
dw |= 0xfe; /* GPIO1-7 output high */
|
|
pci_hose_write_config_dword(hose, dev, 0x644, dw);
|
|
|
|
mdelay(100);
|
|
}
|
|
}
|
|
#endif /* CONFIG_CMD_PCI */
|
|
|
|
#ifdef CONFIG_SERIAL_TAG
|
|
/*
|
|
* called when setting up ATAGS before booting kernel
|
|
* populate serialnum from the following (in order of priority):
|
|
* serial# env var
|
|
* eeprom
|
|
*/
|
|
void get_board_serial(struct tag_serialnr *serialnr)
|
|
{
|
|
char *serial = getenv("serial#");
|
|
|
|
if (serial) {
|
|
serialnr->high = 0;
|
|
serialnr->low = simple_strtoul(serial, NULL, 10);
|
|
} else if (ventana_info.model[0]) {
|
|
serialnr->high = 0;
|
|
serialnr->low = ventana_info.serial;
|
|
} else {
|
|
serialnr->high = 0;
|
|
serialnr->low = 0;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Board Support
|
|
*/
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
setup_iomux_uart();
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
setup_display();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = imx_ddr_size();
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1],
|
|
IOMUXC_GPR1_OTG_ID_MASK,
|
|
IOMUXC_GPR1_OTG_ID_GPIO1);
|
|
|
|
/* address of linux boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
#ifdef CONFIG_CMD_NAND
|
|
setup_gpmi_nand();
|
|
#endif
|
|
#ifdef CONFIG_MXC_SPI
|
|
setup_spi();
|
|
#endif
|
|
setup_ventana_i2c();
|
|
|
|
#ifdef CONFIG_CMD_SATA
|
|
setup_sata();
|
|
#endif
|
|
/* read Gateworks EEPROM into global struct (used later) */
|
|
board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
|
|
|
|
setup_iomux_gpio(board_type, &ventana_info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
|
|
/*
|
|
* called during late init (after relocation and after board_init())
|
|
* by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
|
|
* EEPROM read.
|
|
*/
|
|
int checkboard(void)
|
|
{
|
|
struct ventana_board_info *info = &ventana_info;
|
|
unsigned char buf[4];
|
|
const char *p;
|
|
int quiet; /* Quiet or minimal output mode */
|
|
|
|
quiet = 0;
|
|
p = getenv("quiet");
|
|
if (p)
|
|
quiet = simple_strtol(p, NULL, 10);
|
|
else
|
|
setenv("quiet", "0");
|
|
|
|
puts("\nGateworks Corporation Copyright 2014\n");
|
|
if (info->model[0]) {
|
|
printf("Model: %s\n", info->model);
|
|
printf("MFGDate: %02x-%02x-%02x%02x\n",
|
|
info->mfgdate[0], info->mfgdate[1],
|
|
info->mfgdate[2], info->mfgdate[3]);
|
|
printf("Serial:%d\n", info->serial);
|
|
} else {
|
|
puts("Invalid EEPROM - board will not function fully\n");
|
|
}
|
|
if (quiet)
|
|
return 0;
|
|
|
|
/* Display GSC firmware revision/CRC/status */
|
|
gsc_info(0);
|
|
|
|
/* Display RTC */
|
|
if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
|
|
printf("RTC: %d\n",
|
|
buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
/*
|
|
* BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
|
|
* see Table 8-11 and Table 5-9
|
|
* BOOT_CFG1[7] = 1 (boot from NAND)
|
|
* BOOT_CFG1[5] = 0 - raw NAND
|
|
* BOOT_CFG1[4] = 0 - default pad settings
|
|
* BOOT_CFG1[3:2] = 00 - devices = 1
|
|
* BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
|
|
* BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
|
|
* BOOT_CFG2[2:1] = 01 - Pages In Block = 64
|
|
* BOOT_CFG2[0] = 0 - Reset time 12ms
|
|
*/
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
|
|
{ "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
|
|
{ NULL, 0 },
|
|
};
|
|
#endif
|
|
|
|
/* late init */
|
|
int misc_init_r(void)
|
|
{
|
|
struct ventana_board_info *info = &ventana_info;
|
|
|
|
/* set env vars based on EEPROM data */
|
|
if (ventana_info.model[0]) {
|
|
char str[16], fdt[36];
|
|
char *p;
|
|
const char *cputype = "";
|
|
int i;
|
|
|
|
/*
|
|
* FDT name will be prefixed with CPU type. Three versions
|
|
* will be created each increasingly generic and bootloader
|
|
* env scripts will try loading each from most specific to
|
|
* least.
|
|
*/
|
|
if (is_cpu_type(MXC_CPU_MX6Q) ||
|
|
is_cpu_type(MXC_CPU_MX6D))
|
|
cputype = "imx6q";
|
|
else if (is_cpu_type(MXC_CPU_MX6DL) ||
|
|
is_cpu_type(MXC_CPU_MX6SOLO))
|
|
cputype = "imx6dl";
|
|
setenv("soctype", cputype);
|
|
if (8 << (ventana_info.nand_flash_size-1) >= 2048)
|
|
setenv("flash_layout", "large");
|
|
else
|
|
setenv("flash_layout", "normal");
|
|
memset(str, 0, sizeof(str));
|
|
for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
|
|
str[i] = tolower(info->model[i]);
|
|
setenv("model", str);
|
|
if (!getenv("fdt_file")) {
|
|
sprintf(fdt, "%s-%s.dtb", cputype, str);
|
|
setenv("fdt_file", fdt);
|
|
}
|
|
p = strchr(str, '-');
|
|
if (p) {
|
|
*p++ = 0;
|
|
|
|
setenv("model_base", str);
|
|
sprintf(fdt, "%s-%s.dtb", cputype, str);
|
|
setenv("fdt_file1", fdt);
|
|
if (board_type != GW551x &&
|
|
board_type != GW552x &&
|
|
board_type != GW553x)
|
|
str[4] = 'x';
|
|
str[5] = 'x';
|
|
str[6] = 0;
|
|
sprintf(fdt, "%s-%s.dtb", cputype, str);
|
|
setenv("fdt_file2", fdt);
|
|
}
|
|
|
|
/* initialize env from EEPROM */
|
|
if (test_bit(EECONFIG_ETH0, info->config) &&
|
|
!getenv("ethaddr")) {
|
|
eth_setenv_enetaddr("ethaddr", info->mac0);
|
|
}
|
|
if (test_bit(EECONFIG_ETH1, info->config) &&
|
|
!getenv("eth1addr")) {
|
|
eth_setenv_enetaddr("eth1addr", info->mac1);
|
|
}
|
|
|
|
/* board serial-number */
|
|
sprintf(str, "%6d", info->serial);
|
|
setenv("serial#", str);
|
|
|
|
/* memory MB */
|
|
sprintf(str, "%d", (int) (gd->ram_size >> 20));
|
|
setenv("mem_mb", str);
|
|
}
|
|
|
|
|
|
/* setup baseboard specific GPIO based on board and env */
|
|
setup_board_gpio(board_type, info);
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
add_board_boot_modes(board_boot_modes);
|
|
#endif
|
|
|
|
/* disable boot watchdog */
|
|
gsc_boot_wd_disable();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF_BOARD_SETUP
|
|
|
|
static int ft_sethdmiinfmt(void *blob, char *mode)
|
|
{
|
|
int off;
|
|
|
|
if (!mode)
|
|
return -EINVAL;
|
|
|
|
off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
|
|
if (off < 0)
|
|
return off;
|
|
|
|
if (0 == strcasecmp(mode, "yuv422bt656")) {
|
|
u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
|
|
0x00, 0x00, 0x00 };
|
|
mode = "422_ccir";
|
|
fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
|
|
fdt_setprop_u32(blob, off, "vidout_trc", 1);
|
|
fdt_setprop_u32(blob, off, "vidout_blc", 1);
|
|
fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
|
|
printf(" set HDMI input mode to %s\n", mode);
|
|
} else if (0 == strcasecmp(mode, "yuv422smp")) {
|
|
u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
|
|
0x82, 0x81, 0x00 };
|
|
mode = "422_smp";
|
|
fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
|
|
fdt_setprop_u32(blob, off, "vidout_trc", 0);
|
|
fdt_setprop_u32(blob, off, "vidout_blc", 0);
|
|
fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
|
|
printf(" set HDMI input mode to %s\n", mode);
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* enable a property of a node if the node is found */
|
|
static inline void ft_enable_path(void *blob, const char *path)
|
|
{
|
|
int i = fdt_path_offset(blob, path);
|
|
if (i >= 0) {
|
|
debug("enabling %s\n", path);
|
|
fdt_status_okay(blob, i);
|
|
}
|
|
}
|
|
|
|
/* remove a property of a node if the node is found */
|
|
static inline void ft_delprop_path(void *blob, const char *path,
|
|
const char *name)
|
|
{
|
|
int i = fdt_path_offset(blob, path);
|
|
if (i) {
|
|
debug("removing %s/%s\n", path, name);
|
|
fdt_delprop(blob, i, name);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* called prior to booting kernel or by 'fdt boardsetup' command
|
|
*
|
|
* unless 'fdt_noauto' env var is set we will update the following in the DTB:
|
|
* - mtd partitions based on mtdparts/mtdids env
|
|
* - system-serial (board serial num from EEPROM)
|
|
* - board (full model from EEPROM)
|
|
* - peripherals removed from DTB if not loaded on board (per EEPROM config)
|
|
*/
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
struct ventana_board_info *info = &ventana_info;
|
|
struct ventana_eeprom_config *cfg;
|
|
struct node_info nodes[] = {
|
|
{ "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */
|
|
{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
|
|
};
|
|
const char *model = getenv("model");
|
|
const char *display = getenv("display");
|
|
int i;
|
|
char rev = 0;
|
|
|
|
/* determine board revision */
|
|
for (i = sizeof(ventana_info.model) - 1; i > 0; i--) {
|
|
if (ventana_info.model[i] >= 'A') {
|
|
rev = ventana_info.model[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (getenv("fdt_noauto")) {
|
|
puts(" Skiping ft_board_setup (fdt_noauto defined)\n");
|
|
return 0;
|
|
}
|
|
|
|
if (test_bit(EECONFIG_NAND, info->config)) {
|
|
/* Update partition nodes using info from mtdparts env var */
|
|
puts(" Updating MTD partitions...\n");
|
|
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
|
|
}
|
|
|
|
/* Update display timings from display env var */
|
|
if (display) {
|
|
if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
|
|
display) >= 0)
|
|
printf(" Set display timings for %s...\n", display);
|
|
}
|
|
|
|
printf(" Adjusting FDT per EEPROM for %s...\n", model);
|
|
|
|
/* board serial number */
|
|
fdt_setprop(blob, 0, "system-serial", getenv("serial#"),
|
|
strlen(getenv("serial#")) + 1);
|
|
|
|
/* board (model contains model from device-tree) */
|
|
fdt_setprop(blob, 0, "board", info->model,
|
|
strlen((const char *)info->model) + 1);
|
|
|
|
/* set desired digital video capture format */
|
|
ft_sethdmiinfmt(blob, getenv("hdmiinfmt"));
|
|
|
|
/*
|
|
* disable serial2 node for GW54xx for compatibility with older
|
|
* 3.10.x kernel that improperly had this node enabled in the DT
|
|
*/
|
|
if (board_type == GW54xx) {
|
|
i = fdt_path_offset(blob,
|
|
"/soc/aips-bus@02100000/serial@021ec000");
|
|
if (i)
|
|
fdt_del_node(blob, i);
|
|
}
|
|
|
|
/*
|
|
* disable wdog1/wdog2 nodes for GW51xx below revC to work around
|
|
* errata causing wdog timer to be unreliable.
|
|
*/
|
|
if (board_type == GW51xx && rev >= 'A' && rev < 'C') {
|
|
i = fdt_path_offset(blob,
|
|
"/soc/aips-bus@02000000/wdog@020bc000");
|
|
if (i)
|
|
fdt_status_disabled(blob, i);
|
|
}
|
|
|
|
/* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */
|
|
else if (board_type == GW52xx && info->model[4] == '2') {
|
|
u32 handle = 0;
|
|
u32 *range = NULL;
|
|
|
|
i = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
|
|
if (i)
|
|
range = (u32 *)fdt_getprop(blob, i, "reset-gpio",
|
|
NULL);
|
|
|
|
if (range) {
|
|
i = fdt_path_offset(blob,
|
|
"/soc/aips-bus@02000000/gpio@020a4000");
|
|
if (i)
|
|
handle = fdt_get_phandle(blob, i);
|
|
if (handle) {
|
|
range[0] = cpu_to_fdt32(handle);
|
|
range[1] = cpu_to_fdt32(23);
|
|
}
|
|
}
|
|
|
|
/* these have broken usd_vsel */
|
|
if (strstr((const char *)info->model, "SP318-B") ||
|
|
strstr((const char *)info->model, "SP331-B"))
|
|
gpio_cfg[board_type].usd_vsel = 0;
|
|
}
|
|
|
|
/*
|
|
* isolate CSI0_DATA_EN for GW551x below revB to work around
|
|
* errata causing non functional digital video in (it is not hooked up)
|
|
*/
|
|
else if (board_type == GW551x && rev == 'A') {
|
|
u32 *range = NULL;
|
|
int len;
|
|
const u32 *handle = NULL;
|
|
|
|
i = fdt_node_offset_by_compatible(blob, -1,
|
|
"fsl,imx-tda1997x-video");
|
|
if (i)
|
|
handle = fdt_getprop(blob, i, "pinctrl-0", NULL);
|
|
if (handle)
|
|
i = fdt_node_offset_by_phandle(blob,
|
|
fdt32_to_cpu(*handle));
|
|
if (i)
|
|
range = (u32 *)fdt_getprop(blob, i, "fsl,pins", &len);
|
|
if (range) {
|
|
len /= sizeof(u32);
|
|
for (i = 0; i < len; i += 6) {
|
|
u32 mux_reg = fdt32_to_cpu(range[i+0]);
|
|
u32 conf_reg = fdt32_to_cpu(range[i+1]);
|
|
/* mux PAD_CSI0_DATA_EN to GPIO */
|
|
if (is_cpu_type(MXC_CPU_MX6Q) &&
|
|
mux_reg == 0x260 && conf_reg == 0x630)
|
|
range[i+3] = cpu_to_fdt32(0x5);
|
|
else if (!is_cpu_type(MXC_CPU_MX6Q) &&
|
|
mux_reg == 0x08c && conf_reg == 0x3a0)
|
|
range[i+3] = cpu_to_fdt32(0x5);
|
|
}
|
|
fdt_setprop_inplace(blob, i, "fsl,pins", range, len);
|
|
}
|
|
|
|
/* set BT656 video format */
|
|
ft_sethdmiinfmt(blob, "yuv422bt656");
|
|
}
|
|
|
|
/* Configure DIO */
|
|
for (i = 0; i < gpio_cfg[board_type].num_gpios; i++) {
|
|
struct dio_cfg *cfg = &gpio_cfg[board_type].dio_cfg[i];
|
|
char arg[10];
|
|
|
|
sprintf(arg, "dio%d", i);
|
|
if (!hwconfig(arg))
|
|
continue;
|
|
if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param)
|
|
{
|
|
char path[48];
|
|
sprintf(path, "/soc/aips-bus@02000000/pwm@%08x",
|
|
0x02080000 + (0x4000 * (cfg->pwm_param - 1)));
|
|
printf(" Enabling pwm%d for DIO%d\n",
|
|
cfg->pwm_param, i);
|
|
ft_enable_path(blob, path);
|
|
}
|
|
}
|
|
|
|
/* remove no-1-8-v if UHS-I support is present */
|
|
if (gpio_cfg[board_type].usd_vsel) {
|
|
debug("Enabling UHS-I support\n");
|
|
ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000",
|
|
"no-1-8-v");
|
|
}
|
|
|
|
/*
|
|
* Peripheral Config:
|
|
* remove nodes by alias path if EEPROM config tells us the
|
|
* peripheral is not loaded on the board.
|
|
*/
|
|
if (getenv("fdt_noconfig")) {
|
|
puts(" Skiping periperhal config (fdt_noconfig defined)\n");
|
|
return 0;
|
|
}
|
|
cfg = econfig;
|
|
while (cfg->name) {
|
|
if (!test_bit(cfg->bit, info->config)) {
|
|
fdt_del_node_and_alias(blob, cfg->dtalias ?
|
|
cfg->dtalias : cfg->name);
|
|
}
|
|
cfg++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_OF_BOARD_SETUP */
|
|
|
|
static struct mxc_serial_platdata ventana_mxc_serial_plat = {
|
|
.reg = (struct mxc_uart *)UART2_BASE,
|
|
};
|
|
|
|
U_BOOT_DEVICE(ventana_serial) = {
|
|
.name = "serial_mxc",
|
|
.platdata = &ventana_mxc_serial_plat,
|
|
};
|