Hi Patrice,
> -----Original Message-----
> From: Patrice CHOTARD
> Sent: Monday, November 13, 2017 8:26 AM
> To: u-boot@lists.denx.de; albert.u.b...@aribaud.net; s...@chromium.org; Vikas
> MANOCHA <vikas.mano...@st.com>
> Cc: Patrice CHOTARD <patrice.chot...@st.com>; Patrick DELAUNAY
> <patrick.delau...@st.com>; Christophe KERELLO
> <christophe.kere...@st.com>
> Subject: [PATCH] mach-stm32: Fix mpu region's attribute for STM32H7
>
> From: Patrice Chotard <patrice.chot...@st.com>
>
> The SDRAM region was setup with the wrong attributes.
> It must be set to :
> _ XN_EN (Execution of an instruction fetched from this region permitted)
> _ O_I_WB_RD_WR_ALLOC (Outer and inner write-back, write and read allocate)
>
H7 mpu configuration seems same as F7, can we have one config for F7 & H7.
> This fixes hard fault when trying to load and execute kernel linux in this
> area.
>
> Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
In any case,
Reviewed-by: Vikas Manocha <vikas.mano...@st.com>
Cheers,
Vikas
> ---
> arch/arm/mach-stm32/stm32h7/soc.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-stm32/stm32h7/soc.c
> b/arch/arm/mach-stm32/stm32h7/soc.c
> index 692dbcc..e0d3f11 100644
> --- a/arch/arm/mach-stm32/stm32h7/soc.c
> +++ b/arch/arm/mach-stm32/stm32h7/soc.c
> @@ -30,9 +30,12 @@ int arch_cpu_init(void)
> { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
> O_I_WB_RD_WR_ALLOC, REGION_4GB },
>
> - /* Code area, executable & strongly ordered */
> - { 0xD0000000, REGION_1, XN_EN, PRIV_RW_USR_RW,
> - STRONG_ORDER, REGION_8MB },
> + /*
> + * Code area, executable, Outer and inner write-back,
> + * no write allocate
> + */
> + { 0xD0000000, REGION_1, XN_DIS, PRIV_RW_USR_RW,
> + O_I_WB_RD_WR_ALLOC, REGION_32MB },
>
> /* Device area in all H7 : Not executable */
> { 0x40000000, REGION_2, XN_EN, PRIV_RW_USR_RW,
> --
> 1.9.1
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
