diff options
| author | Felix Fietkau <nbd@nbd.name> | 2018-05-08 17:45:00 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-05-08 17:56:04 +0200 |
| commit | 6069bdd0871a20b5adce8d2f677946e05a2da609 (patch) | |
| tree | 593190b0fb0ad279915cb24d7dd140fd97e3e419 | |
| parent | f95a4aa5658e8686831e88a530cbd596741ff573 (diff) | |
| download | upstream-6069bdd0871a20b5adce8d2f677946e05a2da609.tar.gz upstream-6069bdd0871a20b5adce8d2f677946e05a2da609.tar.bz2 upstream-6069bdd0871a20b5adce8d2f677946e05a2da609.zip | |
ramips: move mtk-mmc init to probe function to avoid breaking NAND flash
The driver messes with the pin control settings - MMC and NAND are
mutually exclusive
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c | 64 |
1 files changed, 28 insertions, 36 deletions
diff --git a/target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c b/target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c index 3a146f646c..d911e1a42a 100644 --- a/target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c +++ b/target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c @@ -2739,6 +2739,34 @@ static int msdc_drv_probe(struct platform_device *pdev) struct msdc_host *host; struct msdc_hw *hw; int ret, irq; + u32 reg; + + printk("MTK MSDC device init.\n"); + mtk_sd_device.dev.platform_data = &msdc0_hw; + if (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7621AT) { + //#if defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) + reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<18); + //#if defined (CONFIG_RALINK_MT7620) + if (ralink_soc == MT762X_SOC_MT7620A) + reg |= 0x1<<18; + //#endif + } else { + //#elif defined (CONFIG_RALINK_MT7628) + /* TODO: maybe omitted when RAether already toggle AGPIO_CFG */ + reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c)); + reg |= 0x1e << 16; + sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c), reg); + + reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<10); +#if defined (CONFIG_MTK_MMC_EMMC_8BIT) + reg |= 0x3<<26 | 0x3<<28 | 0x3<<30; + msdc0_hw.data_pins = 8, +#endif + //#endif + } + sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60), reg); + //platform_device_register(&mtk_sd_device); +/* end of +++ */ pdev->dev.platform_data = &msdc0_hw; @@ -2995,42 +3023,6 @@ static struct platform_driver mt_msdc_driver = { static int __init mt_msdc_init(void) { int ret; -/* +++ by chhung */ - u32 reg; - -#if defined (CONFIG_MTD_ANY_RALINK) - extern int ra_check_flash_type(void); - if(ra_check_flash_type() == 2) { /* NAND */ - printk("%s: !!!!! SDXC Module Initialize Fail !!!!!", __func__); - return 0; - } -#endif - printk("MTK MSDC device init.\n"); - mtk_sd_device.dev.platform_data = &msdc0_hw; -if (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7621AT) { -//#if defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) - reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<18); -//#if defined (CONFIG_RALINK_MT7620) - if (ralink_soc == MT762X_SOC_MT7620A) - reg |= 0x1<<18; -//#endif -} else { -//#elif defined (CONFIG_RALINK_MT7628) - /* TODO: maybe omitted when RAether already toggle AGPIO_CFG */ - reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c)); - reg |= 0x1e << 16; - sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c), reg); - - reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<10); -#if defined (CONFIG_MTK_MMC_EMMC_8BIT) - reg |= 0x3<<26 | 0x3<<28 | 0x3<<30; - msdc0_hw.data_pins = 8, -#endif -//#endif -} - sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60), reg); - //platform_device_register(&mtk_sd_device); -/* end of +++ */ ret = platform_driver_register(&mt_msdc_driver); if (ret) { |