Both ARMv7 and ARMv8 need to patch the device tree but the kind of patching done is different. This creates a function that can be defined by each architecture to handle the differences
Signed-off-by: Arnab Basu arnab.basu@freescale.com Reviewed-by: Bhupesh Sharma bhupesh.sharma@freescale.com Cc: Marc Zyngier marc.zyngier@arm.com --- arch/arm/cpu/armv7/virt-dt.c | 7 ++++++- arch/arm/lib/bootm-fdt.c | 11 ++++++++--- 2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/arch/arm/cpu/armv7/virt-dt.c b/arch/arm/cpu/armv7/virt-dt.c index 0b0d6a7..3fbec39 100644 --- a/arch/arm/cpu/armv7/virt-dt.c +++ b/arch/arm/cpu/armv7/virt-dt.c @@ -88,7 +88,7 @@ static int fdt_psci(void *fdt) return 0; }
-int armv7_update_dt(void *fdt) +static int armv7_update_dt(void *fdt) { #ifndef CONFIG_ARMV7_SECURE_BASE /* secure code lives in RAM, keep it alive */ @@ -98,3 +98,8 @@ int armv7_update_dt(void *fdt)
return fdt_psci(fdt); } + +int cpu_update_dt(void *fdt) +{ + return armv7_update_dt(fdt); +} diff --git a/arch/arm/lib/bootm-fdt.c b/arch/arm/lib/bootm-fdt.c index d4f1578..daabc03 100644 --- a/arch/arm/lib/bootm-fdt.c +++ b/arch/arm/lib/bootm-fdt.c @@ -21,6 +21,11 @@
DECLARE_GLOBAL_DATA_PTR;
+__weak int cpu_update_dt(void *fdt) +{ + return 0; +} + int arch_fixup_fdt(void *blob) { bd_t *bd = gd->bd; @@ -34,11 +39,11 @@ int arch_fixup_fdt(void *blob) }
ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); -#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) + if (ret) return ret;
- ret = armv7_update_dt(blob); -#endif + ret = cpu_update_dt(blob); + return ret; }