[U-Boot] [PATCH v2] mx6: Read silicon revision from register

Dirk Behme
2012-03-13T14:37:45Z

On 13.03.2012 15:18, Fabio Estevam wrote:
> Instead of hardcoding the mx6 silicon revision, read it from the proper register.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
> Changes since v1:
> - Fix typo on Subject
> arch/arm/cpu/armv7/mx6/soc.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
> index 2ac74b5..639bf30 100644
> --- a/arch/arm/cpu/armv7/mx6/soc.c
> +++ b/arch/arm/cpu/armv7/mx6/soc.c
> @@ -32,7 +32,8 @@
>
> u32 get_cpu_rev(void)
> {
> - int system_rev = 0x61000 | CHIP_REV_1_0;
> + int reg = readl(ANATOP_BASE_ADDR + 0x260) & 0xFF;

Can we get a register overlay instead of the 'ANATOP_BASE_ADDR + 0x260'?
Like in the rest of the file, e.g.

readl(&fuse->mac_addr_high);
writel(0x00000000, &aips1->opacr0);

Best regards

Dirk