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| author | Simon Arlott <simon@fire.lp0.eu> | 2015-11-16 22:05:39 +0000 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-11-30 17:52:29 -0800 |
| commit | 0401669797488feb055521cade69b1d0e81669db (patch) | |
| tree | 900f69f0ebc7424a2d71458ec0f39297ac6b4f09 | |
| parent | fe7579d6122f2869d00b55842bca9e2a9be51607 (diff) | |
| download | blackbird-obmc-linux-0401669797488feb055521cade69b1d0e81669db.tar.gz blackbird-obmc-linux-0401669797488feb055521cade69b1d0e81669db.zip | |
brcmnand: Clear EXT_ADDR error registers in PIO mode
If an error occurs in flash above 4GB in PIO mode then the EXT_ADDR
registers will be set to the location of the error and never cleared.
Reset them to 0 before reading.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| -rw-r--r-- | drivers/mtd/nand/brcmnand/brcmnand.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c index 626a80eb76a1..8feee1e489cb 100644 --- a/drivers/mtd/nand/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/brcmnand/brcmnand.c @@ -1405,6 +1405,8 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, /* Clear error addresses */ brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_ADDR, 0); brcmnand_write_reg(ctrl, BRCMNAND_CORR_ADDR, 0); + brcmnand_write_reg(ctrl, BRCMNAND_UNCORR_EXT_ADDR, 0); + brcmnand_write_reg(ctrl, BRCMNAND_CORR_EXT_ADDR, 0); brcmnand_write_reg(ctrl, BRCMNAND_CMD_EXT_ADDRESS, (host->cs << 16) | ((addr >> 32) & 0xffff)); |
