Commit 1d1f3c80 authored by Fabio Estevam's avatar Fabio Estevam Committed by Stefano Babic
Browse files

mx28evk: Convert to driver model



Make the conversion to driver model as it is mandatory.

Successfully tested booting Linux from the SD card.

Dropped support for networking and splash screen as these need
to be properly converted to DM and tested.
Signed-off-by: default avatarFabio Estevam <festevam@gmail.com>
parent 3bbc48e8
......@@ -680,6 +680,7 @@ dtb-$(CONFIG_TARGET_MX23_OLINUXINO) += \
imx23-olinuxino.dtb
dtb-$(CONFIG_MX28) += \
imx28-evk.dtb \
imx28-xea.dtb
dtb-$(CONFIG_MX51) += \
......
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019
* Lukasz Majewski, DENX Software Engineering, lukma@denx.de
*
* SPDX-License-Identifier: GPL-2.0+ or X11
*/
#include "imx28-u-boot.dtsi"
......@@ -2,6 +2,7 @@ MX28EVK BOARD
M: Fabio Estevam <festevam@gmail.com>
S: Maintained
F: board/freescale/mx28evk/
F: arch/arm/dts/imx28-evk.dts
F: include/configs/mx28evk.h
F: configs/mx28evk_defconfig
F: configs/mx28evk_auart_console_defconfig
......
......@@ -72,80 +72,3 @@ int board_init(void)
return 0;
}
#ifdef CONFIG_CMD_MMC
static int mx28evk_mmc_wp(int id)
{
if (id != 0) {
printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
return 1;
}
return gpio_get_value(MX28_PAD_SSP1_SCK__GPIO_2_12);
}
int board_mmc_init(struct bd_info *bis)
{
/* Configure WP as input */
gpio_direction_input(MX28_PAD_SSP1_SCK__GPIO_2_12);
/* Configure MMC0 Power Enable */
gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
return mxsmmc_initialize(bis, 0, mx28evk_mmc_wp, NULL);
}
#endif
#ifdef CONFIG_CMD_NET
int board_eth_init(struct bd_info *bis)
{
struct mxs_clkctrl_regs *clkctrl_regs =
(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
struct eth_device *dev;
int ret;
ret = cpu_eth_init(bis);
if (ret)
return ret;
/* MX28EVK uses ENET_CLK PAD to drive FEC clock */
writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN,
&clkctrl_regs->hw_clkctrl_enet);
/* Power-on FECs */
gpio_direction_output(MX28_PAD_SSP1_DATA3__GPIO_2_15, 0);
/* Reset FEC PHYs */
gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0);
udelay(200);
gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1);
ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
if (ret) {
puts("FEC MXS: Unable to init FEC0\n");
return ret;
}
ret = fecmxc_initialize_multi(bis, 1, 3, MXS_ENET1_BASE);
if (ret) {
puts("FEC MXS: Unable to init FEC1\n");
return ret;
}
dev = eth_get_dev_by_name("FEC0");
if (!dev) {
puts("FEC MXS: Unable to get FEC0 device entry\n");
return -EINVAL;
}
dev = eth_get_dev_by_name("FEC1");
if (!dev) {
puts("FEC MXS: Unable to get FEC1 device entry\n");
return -EINVAL;
}
return ret;
}
#endif
......@@ -7,10 +7,12 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_NR_DRAM_BANKS=1
CONFIG_ENV_SIZE=0x4000
CONFIG_ENV_OFFSET=0x40000
CONFIG_DM_GPIO=y
CONFIG_SPL_TEXT_BASE=0x00001000
CONFIG_TARGET_MX28EVK=y
CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL=y
CONFIG_DEFAULT_DEVICE_TREE="imx28-evk"
CONFIG_FIT=y
CONFIG_SYS_CONSOLE_IS_IN_ENV=y
# CONFIG_DISPLAY_BOARDINFO is not set
......@@ -18,13 +20,11 @@ CONFIG_ARCH_MISC_INIT=y
# CONFIG_SPL_FRAMEWORK is not set
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_DM=y
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_GPIO=y
CONFIG_CMD_MMC=y
CONFIG_CMD_NAND_TRIMFFS=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_DATE=y
CONFIG_CMD_EXT4=y
......@@ -35,18 +35,28 @@ CONFIG_CMD_MTDPARTS=y
CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand"
CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:3m(bootloader)ro,512k(environment),512k(redundant-environment),4m(kernel),512k(fdt),8m(ramdisk),-(filesystem)"
CONFIG_CMD_UBI=y
CONFIG_OF_CONTROL=y
CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_MMC=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_VERSION_VARIABLE=y
# CONFIG_NET is not set
CONFIG_DM=y
CONFIG_SPL_DM=y
CONFIG_MXS_GPIO=y
CONFIG_DM_MMC=y
CONFIG_MMC_MXS=y
CONFIG_MTD=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_MXS=y
CONFIG_MII=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_MXS=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
CONFIG_CONS_INDEX=0
CONFIG_SPI=y
CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_SPLASH_SCREEN=y
CONFIG_OF_LIBFDT=y
......@@ -31,13 +31,6 @@
/* UBI and NAND partitioning */
/* FEC Ethernet on SoC */
#ifdef CONFIG_CMD_NET
#define CONFIG_FEC_MXC
#define CONFIG_FEC_MXC_MDIO_BASE MXS_ENET0_BASE
#define CONFIG_MX28_FEC_MAC_IN_OCOTP
#endif
/* RTC */
#ifdef CONFIG_CMD_DATE
#define CONFIG_RTC_MXS
......
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