Hi,
Here two patches about this issue.
Thanks.
On Tue, Mar 29, 2011 at 4:24 PM, Alexandre Pereira da Silva
<aletes....@gmail.com> wrote:
> Hi,
>
> Is anybody using the LPC32XX nand driver?
>
> I'm having some issues about large nand devices support. It's
> relatively easy to make the current openocd driver suporte larger
> devices in SLC mode than in MLC.
>
> I think, in most cases, the SLC driver should be the default as its
> enough for most devices, instead of the MLC as it is today.
>
> What do you think about this?
>
> Thanks.
>
From 37cf60996431523805a128b33b09a28fe91260aa Mon Sep 17 00:00:00 2001
From: Alexandre Pereira da Silva <aletes....@gmail.com>
Date: Tue, 12 Apr 2011 10:56:56 -0300
Subject: [PATCH 1/3] Make the LPC32xx slc nand driver the default
---
src/flash/nand/lpc32xx.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/flash/nand/lpc32xx.c b/src/flash/nand/lpc32xx.c
index 963dd13..653bcde 100644
--- a/src/flash/nand/lpc32xx.c
+++ b/src/flash/nand/lpc32xx.c
@@ -227,8 +227,8 @@ static int lpc32xx_init(struct nand_device *nand)
/* select MLC controller if none is currently selected */
if (lpc32xx_info->selected_controller == LPC32xx_NO_CONTROLLER) {
LOG_DEBUG("no LPC32xx NAND flash controller selected, "
- "using default 'mlc'");
- lpc32xx_info->selected_controller = LPC32xx_MLC_CONTROLLER;
+ "using default 'slc'");
+ lpc32xx_info->selected_controller = LPC32xx_SLC_CONTROLLER;
}
if (lpc32xx_info->selected_controller == LPC32xx_MLC_CONTROLLER) {
--
1.7.1
From f34e8a0b7293e3fa5d1344516d23b593cc4435d9 Mon Sep 17 00:00:00 2001
From: Alexandre Pereira da Silva <aletes....@gmail.com>
Date: Tue, 12 Apr 2011 13:06:13 -0300
Subject: [PATCH 3/3] Make the LPC32xx nand driver support up to 5 address cycles.
This will only work in the SLC driver.
---
src/flash/nand/lpc32xx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/flash/nand/lpc32xx.c b/src/flash/nand/lpc32xx.c
index 653bcde..ffb322c 100644
--- a/src/flash/nand/lpc32xx.c
+++ b/src/flash/nand/lpc32xx.c
@@ -214,7 +214,7 @@ static int lpc32xx_init(struct nand_device *nand)
/* inform calling code about selected bus width */
nand->bus_width = bus_width;
- if ((address_cycles != 3) && (address_cycles != 4)) {
+ if ((address_cycles < 3) || (address_cycles > 5)) {
LOG_ERROR("LPC32xx driver doesn't support %i address cycles", address_cycles);
return ERROR_NAND_OPERATION_NOT_SUPPORTED;
}
--
1.7.1
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