[U-Boot] [PATCH 2/2 v3] powerpc/p1023rds: Enable nand node and disable nor node
Chunhe Lan
b25806 at freescale.com
Mon Aug 29 04:53:57 CEST 2011
On Mon, 29 Aug 2011 02:14:20 +0800, Kumar Gala <kumar.gala at freescale.com>
wrote:
>
> On Aug 17, 2011, at 1:24 AM, Chunhe Lan wrote:
>
>> In the p1023rds, accessing exclusively nor flash or nand flash
>> device by BR0/OR0. When booting from nor flash, nand node is
>> disabled and nor node is enabled in the default dtb. So, when
>> booting from nand flash, nand node should be enabled and nor
>> node should be disabled.
>
> Fix where you break the line, should like more like (use upto 75 chars
> per line):
OK.
> In the p1023rds, accessing exclusively nor flash or nand flash
> device by
> BR0/OR0. When booting from nor flash, nand node is disabled and nor
> node
> is enabled in the default dtb. So, when booting from nand flash, nand
> node should be enabled and nor node should be disabled.
>
>> Signed-off-by: Chunhe Lan <Chunhe.Lan at freescale.com>
>
> Can you provide example of what the device tree looks like for the two
> cases.
OK.
>> ---
>> board/freescale/p1023rds/p1023rds.c | 10 ++++++++++
>> 1 files changed, 10 insertions(+), 0 deletions(-)
>>
>> diff --git a/board/freescale/p1023rds/p1023rds.c
>> b/board/freescale/p1023rds/p1023rds.c
>> index 8cfd199..2fec3ee 100644
>> --- a/board/freescale/p1023rds/p1023rds.c
>> +++ b/board/freescale/p1023rds/p1023rds.c
>> @@ -146,6 +146,14 @@ int board_eth_init(bd_t *bis)
>> return pci_eth_init(bis);
>> }
>>
>> +void fdt_fixup_flash(void *fdt)
>> +{
>> +#ifdef CONFIG_NAND_U_BOOT
>> + do_fixup_by_path_string(fdt, "nor_flash", "status", "disabled");
>> + do_fixup_by_path_string(fdt, "nand_flash", "status", "okay");
>> +#endif
>> +}
>> +
>
> No need for a separate function, just put the two line in
> ft_board_setup()
OK.
Thanks.
-Jack Lan
>> #if defined(CONFIG_OF_BOARD_SETUP)
>> void ft_board_setup(void *blob, bd_t *bd)
>> {
>> @@ -158,5 +166,7 @@ void ft_board_setup(void *blob, bd_t *bd)
>> size = getenv_bootm_size();
>>
>> fdt_fixup_memory(blob, (u64)base, (u64)size);
>> +
>> + fdt_fixup_flash(blob);
>> }
>> #endif
>> --
>> 1.5.6.5
>
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