* [PATCH V2 0/3] at91 fixes
@ 2011-02-22 11:32 Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 1/3] at91sam9g45_devices: fix compilation if NAND driver is enabled Marc Kleine-Budde
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Marc Kleine-Budde @ 2011-02-22 11:32 UTC (permalink / raw)
To: barebox; +Cc: sha
Hello,
this patch series fixes some problems on the at91sam9g45 and adds support for
flash based bad block table to the atmel nand driver.
changes since V1:
- fix wording in commit message
The following changes since commit 58ec1a81a16a758bc6125f7736d13137c5b7e17f:
Merge branch 'tx25' into next (2011-02-18 11:11:48 +0100)
are available in the git repository at:
git://git.pengutronix.de/git/mkl/barebox.git at91
Juergen Beisert (1):
at91sam9g45_devices: fix compilation if NAND driver is enabled
Marc Kleine-Budde (2):
at91sam9g45_devices: don't hardcode nand ecc mode
atmel_nand: add support for flash based bad block table
arch/arm/mach-at91/at91sam9g45_devices.c | 2 +-
arch/arm/mach-at91/include/mach/board.h | 1 +
drivers/mtd/nand/atmel_nand.c | 5 +++++
3 files changed, 7 insertions(+), 1 deletions(-)
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^ permalink raw reply [flat|nested] 6+ messages in thread* [PATCH V2 1/3] at91sam9g45_devices: fix compilation if NAND driver is enabled
2011-02-22 11:32 [PATCH V2 0/3] at91 fixes Marc Kleine-Budde
@ 2011-02-22 11:32 ` Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 2/3] at91sam9g45_devices: don't hardcode nand ecc mode Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 3/3] atmel_nand: add support for flash based bad block table Marc Kleine-Budde
2 siblings, 0 replies; 6+ messages in thread
From: Marc Kleine-Budde @ 2011-02-22 11:32 UTC (permalink / raw)
To: barebox; +Cc: sha
From: Juergen Beisert <jbe@pengutronix.de>
Enabling the AT91 NAND driver fails with the following error:
arch/arm/mach-at91/at91sam9g45_devices.c: In function 'at91_add_device_nand':
arch/arm/mach-at91/at91sam9g45_devices.c:101: error: 'NAND_ECC_HW' undeclared (first use in this function)
Include the missing "nand.h".
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
arch/arm/mach-at91/at91sam9g45_devices.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index ddb005a..306d1e4 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -17,6 +17,7 @@
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/io.h>
+#include <linux/mtd/nand.h>
#include "generic.h"
--
1.7.2.3
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH V2 2/3] at91sam9g45_devices: don't hardcode nand ecc mode
2011-02-22 11:32 [PATCH V2 0/3] at91 fixes Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 1/3] at91sam9g45_devices: fix compilation if NAND driver is enabled Marc Kleine-Budde
@ 2011-02-22 11:32 ` Marc Kleine-Budde
2011-02-22 12:02 ` Jean-Christophe PLAGNIOL-VILLARD
2011-02-22 11:32 ` [PATCH V2 3/3] atmel_nand: add support for flash based bad block table Marc Kleine-Budde
2 siblings, 1 reply; 6+ messages in thread
From: Marc Kleine-Budde @ 2011-02-22 11:32 UTC (permalink / raw)
To: barebox; +Cc: sha
Hardware ECC is currently not working on the at91sam9g45. So give the user a
change to specify software ecc mode.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
Changes since V1:
- better commit message
arch/arm/mach-at91/at91sam9g45_devices.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 306d1e4..9e2c572 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -99,7 +99,6 @@ void at91_add_device_nand(struct atmel_nand_data *data)
return;
data->ecc_base = (void __iomem *)(AT91_BASE_SYS + AT91_ECC);
- data->ecc_mode = NAND_ECC_HW;
csa = at91_sys_read(AT91_MATRIX_EBICSA);
at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA);
--
1.7.2.3
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH V2 3/3] atmel_nand: add support for flash based bad block table
2011-02-22 11:32 [PATCH V2 0/3] at91 fixes Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 1/3] at91sam9g45_devices: fix compilation if NAND driver is enabled Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 2/3] at91sam9g45_devices: don't hardcode nand ecc mode Marc Kleine-Budde
@ 2011-02-22 11:32 ` Marc Kleine-Budde
2011-02-22 12:03 ` Jean-Christophe PLAGNIOL-VILLARD
2 siblings, 1 reply; 6+ messages in thread
From: Marc Kleine-Budde @ 2011-02-22 11:32 UTC (permalink / raw)
To: barebox; +Cc: sha
Inspired by Simon Polette's kernel commit
f4fa697c26bcd9e942de26bad970f4de1da5a49b.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
Changes since V1:
- better commit message
arch/arm/mach-at91/include/mach/board.h | 1 +
drivers/mtd/nand/atmel_nand.c | 5 +++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 1ab05ad..34a3966 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -34,6 +34,7 @@ struct atmel_nand_data {
u8 ale; /* address line number connected to ALE */
u8 cle; /* address line number connected to CLE */
u8 bus_width_16; /* buswidth is 16 bit */
+ u8 flash_bbt; /* use a flash based bbt */
u8 ecc_mode; /* NAND_ECC_* */
};
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index e8f85fc..85e4b24 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -436,6 +436,11 @@ static int __init atmel_nand_probe(struct device_d *dev)
}
}
+ if (host->board->flash_bbt) {
+ printk(KERN_INFO "atmel_nand: Use On Flash BBT\n");
+ nand_chip->options |= NAND_USE_FLASH_BBT;
+ }
+
/* first scan to find the device and get the page size */
if (nand_scan_ident(mtd, 1)) {
res = -ENXIO;
--
1.7.2.3
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^ permalink raw reply [flat|nested] 6+ messages in thread
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2011-02-22 11:32 [PATCH V2 0/3] at91 fixes Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 1/3] at91sam9g45_devices: fix compilation if NAND driver is enabled Marc Kleine-Budde
2011-02-22 11:32 ` [PATCH V2 2/3] at91sam9g45_devices: don't hardcode nand ecc mode Marc Kleine-Budde
2011-02-22 12:02 ` Jean-Christophe PLAGNIOL-VILLARD
2011-02-22 11:32 ` [PATCH V2 3/3] atmel_nand: add support for flash based bad block table Marc Kleine-Budde
2011-02-22 12:03 ` Jean-Christophe PLAGNIOL-VILLARD
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