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| author | Lubomir Rintel <lkundrak@v3.sk> | 2019-06-27 00:10:25 +0200 |
|---|---|---|
| committer | Lubomir Rintel <lkundrak@v3.sk> | 2019-10-17 16:36:10 +0200 |
| commit | e69fd5090dbd640a12b61feef78eb07a17cec209 (patch) | |
| tree | 20af2a8013a91e058639c1bb4f286f9418f90236 | |
| parent | ARM: mmp: don't select CACHE_TAUROS2 on all ARCH_MMP (diff) | |
| download | linux-e69fd5090dbd640a12b61feef78eb07a17cec209.tar.xz linux-e69fd5090dbd640a12b61feef78eb07a17cec209.zip | |
ARM: mmp: map the PGU as well
The MMP2 and later includes a system control unit in this area. We'll need
that to initialize the secondary core on MMP3.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
| -rw-r--r-- | arch/arm/mach-mmp/addr-map.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/common.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/mmp2-dt.c | 2 |
4 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-mmp/addr-map.h b/arch/arm/mach-mmp/addr-map.h index 25edf6a92276..3dc2f0b0ecba 100644 --- a/arch/arm/mach-mmp/addr-map.h +++ b/arch/arm/mach-mmp/addr-map.h @@ -20,6 +20,10 @@ #define AXI_VIRT_BASE IOMEM(0xfe200000) #define AXI_PHYS_SIZE 0x00200000 +#define PGU_PHYS_BASE 0xe0000000 +#define PGU_VIRT_BASE IOMEM(0xfe400000) +#define PGU_PHYS_SIZE 0x00100000 + /* Static Memory Controller - Chip Select 0 and 1 */ #define SMC_CS0_PHYS_BASE 0x80000000 #define SMC_CS0_PHYS_SIZE 0x10000000 @@ -38,4 +42,7 @@ #define CIU_VIRT_BASE (AXI_VIRT_BASE + 0x82c00) #define CIU_REG(x) (CIU_VIRT_BASE + (x)) +#define SCU_VIRT_BASE (PGU_VIRT_BASE) +#define SCU_REG(x) (SCU_VIRT_BASE + (x)) + #endif /* __ASM_MACH_ADDR_MAP_H */ diff --git a/arch/arm/mach-mmp/common.c b/arch/arm/mach-mmp/common.c index 6684abc7708b..2ee08c78e8bc 100644 --- a/arch/arm/mach-mmp/common.c +++ b/arch/arm/mach-mmp/common.c @@ -36,6 +36,15 @@ static struct map_desc standard_io_desc[] __initdata = { }, }; +static struct map_desc mmp2_io_desc[] __initdata = { + { + .pfn = __phys_to_pfn(PGU_PHYS_BASE), + .virtual = (unsigned long)PGU_VIRT_BASE, + .length = PGU_PHYS_SIZE, + .type = MT_DEVICE, + }, +}; + void __init mmp_map_io(void) { iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); @@ -44,6 +53,12 @@ void __init mmp_map_io(void) mmp_chip_id = __raw_readl(MMP_CHIPID); } +void __init mmp2_map_io(void) +{ + mmp_map_io(); + iotable_init(mmp2_io_desc, ARRAY_SIZE(mmp2_io_desc)); +} + void mmp_restart(enum reboot_mode mode, const char *cmd) { soft_restart(0); diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h index 483b8b6d3005..ed56b3f15b45 100644 --- a/arch/arm/mach-mmp/common.h +++ b/arch/arm/mach-mmp/common.h @@ -5,4 +5,5 @@ extern void mmp_timer_init(int irq, unsigned long rate); extern void __init mmp_map_io(void); +extern void __init mmp2_map_io(void); extern void mmp_restart(enum reboot_mode, const char *); diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c index 305a9daba6d6..8eec881191f4 100644 --- a/arch/arm/mach-mmp/mmp2-dt.c +++ b/arch/arm/mach-mmp/mmp2-dt.c @@ -33,7 +33,7 @@ static const char *const mmp2_dt_board_compat[] __initconst = { }; DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)") - .map_io = mmp_map_io, + .map_io = mmp2_map_io, .init_time = mmp_init_time, .dt_compat = mmp2_dt_board_compat, MACHINE_END |