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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2022-02-21 11:36:24 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-03-08 09:59:59 +0100 |
| commit | ba35a497d411468fe3b920ad42628fa8b9b479b4 (patch) | |
| tree | 8d6856f561722ce1abb0d3d82ae6a9d46047c96a /arch/arm/mach-stm32mp/include | |
| parent | c1b883261f0e4916ef9e283d24bac1a579673239 (diff) | |
| download | barebox-ba35a497d411468fe3b920ad42628fa8b9b479b4.tar.gz barebox-ba35a497d411468fe3b920ad42628fa8b9b479b4.tar.xz | |
ARM: stm32mp: ddrctl: add STM32MP131 RAM size querying support
Full buswidth for STM32MP131 means 2 byte wide, not 4 as the memory bus
is restricted to 16-bit. Teach barebox the difference.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220221103625.3728055-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-stm32mp/include')
| -rw-r--r-- | arch/arm/mach-stm32mp/include/mach/revision.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/include/mach/revision.h b/arch/arm/mach-stm32mp/include/mach/revision.h index 2ef8ef30c3..c141b925a1 100644 --- a/arch/arm/mach-stm32mp/include/mach/revision.h +++ b/arch/arm/mach-stm32mp/include/mach/revision.h @@ -32,6 +32,14 @@ #define CPU_STM32MP151Fxx 0x050000AE #define CPU_STM32MP151Dxx 0x050000AF +#define cpu_stm32_is(mask, val) ({ \ + u32 type; \ + __stm32mp_get_cpu_type(&type) == 0 ? (type & mask) == val : 0; \ +}) + +#define cpu_stm32_is_stm32mp15() cpu_stm32_is(0xFFFF0000, 0x05000000) +#define cpu_stm32_is_stm32mp13() cpu_stm32_is(0xFFFF0000, 0x05010000) + /* silicon revisions */ #define CPU_REV_A 0x1000 #define CPU_REV_B 0x2000 |