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| author | Tom Rini <trini@konsulko.com> | 2020-07-11 18:50:49 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-07-11 18:50:49 +0300 |
| commit | 610e1487c8921d266f5cb304bfb66eb71f1dc7dc (patch) | |
| tree | 68991565dbed957030795ef3229020e1207709d3 /drivers/mtd | |
| parent | 4a9146c29573dbfa661918280d9522a01f6ca919 (diff) | |
| parent | 5785950369cd68d4409bf4d0e34d4b1894e5d0e9 (diff) | |
| download | u-boot-610e1487c8921d266f5cb304bfb66eb71f1dc7dc.tar.xz | |
Merge tag 'uniphier-v2020.10' of https://gitlab.denx.de/u-boot/custodians/u-boot-uniphier
UniPhier SoC updates for v2020.10
- remove workaround for Cortex-A72
- increase U-Boot proper size to 2MB
- sync DT with Linux
- add system bus controller driver
- improve serial driver
- add reset assertion to Denali NAND driver
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/denali.c | 11 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/denali.h | 1 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/denali_dt.c | 8 |
3 files changed, 19 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index 15e90291de..ab91db8546 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -1220,6 +1220,17 @@ static int denali_multidev_fixup(struct denali_nand_info *denali) return 0; } +int denali_wait_reset_complete(struct denali_nand_info *denali) +{ + u32 irq_status; + + irq_status = denali_wait_for_irq(denali, INTR__RST_COMP); + if (!(irq_status & INTR__RST_COMP)) + return -EIO; + + return 0; +} + int denali_init(struct denali_nand_info *denali) { struct nand_chip *chip = &denali->nand; diff --git a/drivers/mtd/nand/raw/denali.h b/drivers/mtd/nand/raw/denali.h index 019deda094..6cd02b2e26 100644 --- a/drivers/mtd/nand/raw/denali.h +++ b/drivers/mtd/nand/raw/denali.h @@ -321,6 +321,7 @@ struct denali_nand_info { #define DENALI_CAP_DMA_64BIT BIT(1) int denali_calc_ecc_bytes(int step_size, int strength); +int denali_wait_reset_complete(struct denali_nand_info *denali); int denali_init(struct denali_nand_info *denali); #endif /* __DENALI_H__ */ diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c index 2728e8098f..8318ff507f 100644 --- a/drivers/mtd/nand/raw/denali_dt.c +++ b/drivers/mtd/nand/raw/denali_dt.c @@ -148,6 +148,8 @@ static int denali_dt_probe(struct udevice *dev) if (ret) { dev_warn(dev, "Can't get reset: %d\n", ret); } else { + reset_assert_bulk(&resets); + udelay(2); reset_deassert_bulk(&resets); /* @@ -155,7 +157,11 @@ static int denali_dt_probe(struct udevice *dev) * kicked (bootstrap process). The driver must wait until it is * finished. Otherwise, it will result in unpredictable behavior. */ - udelay(200); + ret = denali_wait_reset_complete(denali); + if (ret) { + dev_err(denali->dev, "reset not completed.\n"); + return ret; + } } return denali_init(denali); |