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ARM: imx: dh-imx6: Convert SD/MMC support to DM 

Enable DM block and DM MMC support on DHCOM iMX6 PDK2.
Convert board code to match the DM support.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Ludwig Zenz <lzenz@dh-electronics.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Marek Vasut 2019-05-17 16:58:51 +02:00 committed by Stefano Babic
parent 3a05eb8fee
commit 198fee844b
2 changed files with 3 additions and 57 deletions
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59
board/dhelectronics/dh_imx6/dh_imx6.c
View File

@ -6,6 +6,8 @@
*/
#include <common.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
@ -189,63 +191,6 @@ int board_eth_init(bd_t *bis)
}
#endif
#ifdef CONFIG_FSL_ESDHC
#define USDHC2_CD_GPIO IMX_GPIO_NR(6, 16)
#define USDHC3_CD_GPIO IMX_GPIO_NR(7, 8)
static struct fsl_esdhc_cfg usdhc_cfg[3] = {
{ USDHC2_BASE_ADDR },
{ USDHC3_BASE_ADDR },
{ USDHC4_BASE_ADDR },
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
switch (cfg->esdhc_base) {
case USDHC2_BASE_ADDR:
return gpio_get_value(USDHC2_CD_GPIO);
case USDHC3_BASE_ADDR:
return !gpio_get_value(USDHC3_CD_GPIO);
case USDHC4_BASE_ADDR:
return 1; /* eMMC/uSDHC4 is always present */
}
return 0;
}
int board_mmc_init(bd_t *bis)
{
int i, ret;
/*
* According to the board_mmc_init() the following map is done:
* (U-Boot device node) (Physical Port)
* mmc0 SD interface
* mmc1 micro SD
* mmc2 eMMC
*/
gpio_request(USDHC2_CD_GPIO, "SD2-CD");
gpio_request(USDHC3_CD_GPIO, "SD3-CD");
gpio_direction_input(USDHC2_CD_GPIO);
gpio_direction_input(USDHC3_CD_GPIO);
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret)
return ret;
}
return 0;
}
#endif
#ifdef CONFIG_USB_EHCI_MX6
static void setup_usb(void)
{

1
configs/dh_imx6_defconfig
View File

@ -11,6 +11,7 @@ CONFIG_NR_DRAM_BANKS=1
CONFIG_SPL=y
CONFIG_SYS_BOOTCOUNT_ADDR=0x00900000
CONFIG_DM_GPIO=y
CONFIG_DM_MMC=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI_SUPPORT=y
CONFIG_DISTRO_DEFAULTS=y