Fix up the memory map on Gen3 to match datasheet properly. This simplifies the memory map setup as well, since we do no longer need this massive complexity.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org --- arch/arm/mach-rmobile/cpu_info.c | 3 - arch/arm/mach-rmobile/include/mach/rmobile.h | 1 - arch/arm/mach-rmobile/memmap-gen3.c | 92 +++------------------------- 3 files changed, 9 insertions(+), 87 deletions(-)
diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c index ba87d21b73..ce15741c41 100644 --- a/arch/arm/mach-rmobile/cpu_info.c +++ b/arch/arm/mach-rmobile/cpu_info.c @@ -18,9 +18,6 @@ int arch_cpu_init(void) #ifndef CONFIG_SYS_DCACHE_OFF void enable_caches(void) { -#if defined(CONFIG_RCAR_GEN3) - rcar_gen3_memmap_fixup(); -#endif dcache_enable(); } #endif diff --git a/arch/arm/mach-rmobile/include/mach/rmobile.h b/arch/arm/mach-rmobile/include/mach/rmobile.h index ff0ca63f02..94ea366f45 100644 --- a/arch/arm/mach-rmobile/include/mach/rmobile.h +++ b/arch/arm/mach-rmobile/include/mach/rmobile.h @@ -41,7 +41,6 @@ u32 rmobile_get_cpu_type(void); u32 rmobile_get_cpu_rev_integer(void); u32 rmobile_get_cpu_rev_fraction(void); -void rcar_gen3_memmap_fixup(void); #endif /* __ASSEMBLY__ */
#endif /* __ASM_ARCH_RMOBILE_H */ diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c index 801e392425..52cd000a17 100644 --- a/arch/arm/mach-rmobile/memmap-gen3.c +++ b/arch/arm/mach-rmobile/memmap-gen3.c @@ -9,77 +9,24 @@ #include <common.h> #include <asm/armv8/mmu.h>
-static struct mm_region r8a7795_mem_map[] = { +static struct mm_region gen3_mem_map[] = { { .virt = 0x0UL, .phys = 0x0UL, - .size = 0x80000000UL, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_INNER_SHARE - }, { - .virt = 0x80000000UL, - .phys = 0x80000000UL, - .size = 0x80000000UL, - .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | - PTE_BLOCK_NON_SHARE | - PTE_BLOCK_PXN | PTE_BLOCK_UXN - }, { - /* List terminator */ - 0, - } -}; - -static struct mm_region r8a7796_mem_map[] = { - { - .virt = 0x0UL, - .phys = 0x0UL, - .size = 0xe0000000UL, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_INNER_SHARE - }, { - .virt = 0xe0000000UL, - .phys = 0xe0000000UL, - .size = 0xe0000000UL, + .size = 0x40000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN }, { - /* List terminator */ - 0, - } -}; - -static struct mm_region r8a77970_mem_map[] = { - { - .virt = 0x0UL, - .phys = 0x0UL, - .size = 0xe0000000UL, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_INNER_SHARE - }, { - .virt = 0xe0000000UL, - .phys = 0xe0000000UL, - .size = 0xe0000000UL, - .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | - PTE_BLOCK_NON_SHARE | - PTE_BLOCK_PXN | PTE_BLOCK_UXN - }, { - /* List terminator */ - 0, - } -}; - -static struct mm_region r8a77995_mem_map[] = { - { - .virt = 0x0UL, - .phys = 0x0UL, - .size = 0xe0000000UL, + .virt = 0x40000000UL, + .phys = 0x40000000UL, + .size = 0x80000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_INNER_SHARE }, { - .virt = 0xe0000000UL, - .phys = 0xe0000000UL, - .size = 0xe0000000UL, + .virt = 0xc0000000UL, + .phys = 0xc0000000UL, + .size = 0x40000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN @@ -89,25 +36,4 @@ static struct mm_region r8a77995_mem_map[] = { } };
-struct mm_region *mem_map = r8a7795_mem_map; - -void rcar_gen3_memmap_fixup(void) -{ - u32 cpu_type = rmobile_get_cpu_type(); - - switch (cpu_type) { - case RMOBILE_CPU_TYPE_R8A7795: - mem_map = r8a7795_mem_map; - break; - case RMOBILE_CPU_TYPE_R8A7796: - case RMOBILE_CPU_TYPE_R8A77965: - mem_map = r8a7796_mem_map; - break; - case RMOBILE_CPU_TYPE_R8A77970: - mem_map = r8a77970_mem_map; - break; - case RMOBILE_CPU_TYPE_R8A77995: - mem_map = r8a77995_mem_map; - break; - } -} +struct mm_region *mem_map = gen3_mem_map;