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| author | Paul Cercueil <paul@crapouillou.net> | 2018-01-16 16:48:00 +0100 |
|---|---|---|
| committer | James Hogan <jhogan@kernel.org> | 2018-01-18 22:07:24 +0000 |
| commit | ce0d60f731f0011a3e0b6e7d17a01f229313d2a0 (patch) | |
| tree | cff911ab90d5c46625b0617db5c06e8e2f5355a1 /arch/mips/jz4740 | |
| parent | 147b7910c8bdb4e702c8813bb3de4f3dc4eb4046 (diff) | |
| download | linux-ce0d60f731f0011a3e0b6e7d17a01f229313d2a0.tar.gz linux-ce0d60f731f0011a3e0b6e7d17a01f229313d2a0.tar.bz2 linux-ce0d60f731f0011a3e0b6e7d17a01f229313d2a0.zip | |
MIPS: ingenic: Detect machtype from SoC compatible string
Previously, the mips_machtype variable was always initialized
to MACH_INGENIC_JZ4740 even if running on different SoCs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Maarten ter Huurne <maarten@treewalker.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18486/
Signed-off-by: James Hogan <jhogan@kernel.org>
Diffstat (limited to 'arch/mips/jz4740')
| -rw-r--r-- | arch/mips/jz4740/prom.c | 1 | ||||
| -rw-r--r-- | arch/mips/jz4740/setup.c | 22 |
2 files changed, 19 insertions, 4 deletions
diff --git a/arch/mips/jz4740/prom.c b/arch/mips/jz4740/prom.c index a62dd8e6ecf9..eb9f2f97bedb 100644 --- a/arch/mips/jz4740/prom.c +++ b/arch/mips/jz4740/prom.c @@ -25,7 +25,6 @@ void __init prom_init(void) { - mips_machtype = MACH_INGENIC_JZ4740; fw_init_cmdline(); } diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c index 6d0152321819..afb40f8bce96 100644 --- a/arch/mips/jz4740/setup.c +++ b/arch/mips/jz4740/setup.c @@ -53,6 +53,16 @@ static void __init jz4740_detect_mem(void) add_memory_region(0, size, BOOT_MEM_RAM); } +static unsigned long __init get_board_mach_type(const void *fdt) +{ + if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4780")) + return MACH_INGENIC_JZ4780; + if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4770")) + return MACH_INGENIC_JZ4770; + + return MACH_INGENIC_JZ4740; +} + void __init plat_mem_setup(void) { int offset; @@ -63,6 +73,8 @@ void __init plat_mem_setup(void) offset = fdt_path_offset(__dtb_start, "/memory"); if (offset < 0) jz4740_detect_mem(); + + mips_machtype = get_board_mach_type(__dtb_start); } void __init device_tree_init(void) @@ -75,10 +87,14 @@ void __init device_tree_init(void) const char *get_system_type(void) { - if (IS_ENABLED(CONFIG_MACH_JZ4780)) + switch (mips_machtype) { + case MACH_INGENIC_JZ4780: return "JZ4780"; - - return "JZ4740"; + case MACH_INGENIC_JZ4770: + return "JZ4770"; + default: + return "JZ4740"; + } } void __init arch_init_irq(void) |