| Message ID | 20230201135901.482671-2-sumit.garg@linaro.org |
|---|---|
| State | Accepted |
| Commit | 881338a0c6686bbcf043275714d43080b746b17e |
| Headers | show |
| Series | QCS404: Add ethernet and I2C drivers | expand |
On Wed, Feb 01, 2023 at 07:28:48PM +0530, Sumit Garg wrote: > Currently u-boot maps whole of 1G RAM but there reserved memory ranges on > QCS404 which are reserved for TrustZone, various firmware components etc. > Any access to these reserved memory ranges causes a bus hang issue. So > disable mapping for reserved memory ranges in u-boot. > > Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Applied to u-boot/master, thanks!
diff --git a/arch/arm/mach-snapdragon/sysmap-qcs404.c b/arch/arm/mach-snapdragon/sysmap-qcs404.c index b7409031a0..64ca4adf1b 100644 --- a/arch/arm/mach-snapdragon/sysmap-qcs404.c +++ b/arch/arm/mach-snapdragon/sysmap-qcs404.c @@ -19,7 +19,19 @@ static struct mm_region qcs404_mem_map[] = { }, { .virt = 0x80000000UL, /* DDR */ .phys = 0x80000000UL, /* DDR */ - .size = 0x40000000UL, + .size = 0x05900000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0x89600000UL, /* DDR */ + .phys = 0x89600000UL, /* DDR */ + .size = 0x162000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0xa0000000UL, /* DDR */ + .phys = 0xa0000000UL, /* DDR */ + .size = 0x20000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_INNER_SHARE }, {
Currently u-boot maps whole of 1G RAM but there reserved memory ranges on QCS404 which are reserved for TrustZone, various firmware components etc. Any access to these reserved memory ranges causes a bus hang issue. So disable mapping for reserved memory ranges in u-boot. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> --- arch/arm/mach-snapdragon/sysmap-qcs404.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)