ARM: rmobile: Fix the memory map on Gen3

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>

diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
index ba87d21b738558eb32d95bcdcef2a7f9680ea047..ce15741c41263ecc920b08876f069eff838f3e82 100644 (file)
--- 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 ff0ca63f029db069a1fc9e33115339c3d95b3be7..94ea366f453cd6228e7c6c372e9d47d726edbbe4 100644 (file)
--- 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 801e392425db3aba8175f894c1f4240ea06e7087..52cd000a171a3da7706ce298c7a07c411c2aa965 100644 (file)
--- 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;