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authorTom Rini <trini@ti.com>2015-02-10 10:42:22 -0500
committerTom Rini <trini@ti.com>2015-02-10 10:42:22 -0500
commitc956662cc3e2475b451afa9a8b639c0ccc49d432 (patch)
tree3e799e9dded7ba103544de55d6d54c6c5f98b6da /drivers
parent0dac731d1932027f4f813ec7aede35d5e30dec0e (diff)
parent657006a1c46f11784757f9437ffaaa5e0c4dea72 (diff)
downloadblackbird-obmc-uboot-c956662cc3e2475b451afa9a8b639c0ccc49d432.tar.gz
blackbird-obmc-uboot-c956662cc3e2475b451afa9a8b639c0ccc49d432.zip
Merge branch 'master' of git://git.denx.de/u-boot-atmel
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/atmel_nand.c9
-rw-r--r--drivers/mtd/nand/atmel_nand_ecc.h20
-rw-r--r--drivers/video/atmel_lcdfb.c2
-rw-r--r--drivers/watchdog/at91sam9_wdt.c4
4 files changed, 34 insertions, 1 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 620b6e8ff9..b16e3aa157 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -44,6 +44,7 @@ struct atmel_nand_host {
u8 pmecc_corr_cap;
u16 pmecc_sector_size;
u32 pmecc_index_table_offset;
+ u32 pmecc_version;
int pmecc_bytes_per_sector;
int pmecc_sector_number;
@@ -486,6 +487,10 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf,
int i, err_nbr, eccbytes;
uint8_t *buf_pos;
+ /* SAMA5D4 PMECC IP can correct errors for all 0xff page */
+ if (host->pmecc_version >= PMECC_VERSION_SAMA5D4)
+ goto normal_check;
+
eccbytes = nand_chip->ecc.bytes;
for (i = 0; i < eccbytes; i++)
if (ecc[i] != 0xff)
@@ -961,6 +966,10 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
nand->ecc.write_page = atmel_nand_pmecc_write_page;
nand->ecc.strength = cap;
+ /* Check the PMECC ip version */
+ host->pmecc_version = pmecc_readl(host->pmerrloc, version);
+ dev_dbg(host->dev, "PMECC IP version is: %x\n", host->pmecc_version);
+
atmel_pmecc_core_init(mtd);
return 0;
diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h
index eac860d13c..b2d2682a88 100644
--- a/drivers/mtd/nand/atmel_nand_ecc.h
+++ b/drivers/mtd/nand/atmel_nand_ecc.h
@@ -123,6 +123,20 @@ struct pmecc_errloc_regs {
u32 sigma[25]; /* 0x28-0x88 Error Location Sigma Registers */
u32 el[24]; /* 0x8C-0xE8 Error Location Registers */
u32 reserved1[5]; /* 0xEC-0xFC Reserved */
+
+ /*
+ * 0x100-0x1F8:
+ * Reserved for AT91SAM9X5, AT91SAM9N12.
+ * HSMC registers for SAMA5D3, SAMA5D4.
+ */
+ u32 reserved2[63];
+
+ /*
+ * 0x1FC:
+ * PMECC version for AT91SAM9X5, AT91SAM9N12.
+ * HSMC version for SAMA5D3, SAMA5D4. Can refer as PMECC version.
+ */
+ u32 version;
};
/* For Error Location Configuration Register */
@@ -137,6 +151,12 @@ struct pmecc_errloc_regs {
#define PMERRLOC_ERR_NUM_MASK (0x1f << 8)
#define PMERRLOC_CALC_DONE (1 << 0)
+/* PMECC IP version */
+#define PMECC_VERSION_SAMA5D4 0x113
+#define PMECC_VERSION_SAMA5D3 0x112
+#define PMECC_VERSION_AT91SAM9N12 0x102
+#define PMECC_VERSION_AT91SAM9X5 0x101
+
/* Galois field dimension */
#define PMECC_GF_DIMENSION_13 13
#define PMECC_GF_DIMENSION_14 14
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 5add1369ef..4ed3a49bec 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -21,7 +21,7 @@
#define ATMEL_LCDC_GUARD_TIME 1
#endif
-#if defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91CAP9)
+#if defined(CONFIG_AT91SAM9263)
#define ATMEL_LCDC_FIFO_SIZE 2048
#else
#define ATMEL_LCDC_FIFO_SIZE 512
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index ffd49a2bef..03c786c53b 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -30,7 +30,11 @@
#define ticks_to_ms(t) (((t + 1) * 1000) >> 8)
/* Hardware timeout in seconds */
+#if !defined(CONFIG_AT91_HW_WDT_TIMEOUT)
#define WDT_HW_TIMEOUT 2
+#else
+#define WDT_HW_TIMEOUT CONFIG_AT91_HW_WDT_TIMEOUT
+#endif
/*
* Set the watchdog time interval in 1/256Hz (write-once)
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