diff options
| author | Pawel Moll <pawel.moll@arm.com> | 2014-02-06 15:33:44 +0100 |
|---|---|---|
| committer | Pawel Moll <pawel.moll@arm.com> | 2014-05-15 18:02:21 +0200 |
| commit | 6b2c31c71d6fa8896c5f3f2354d790a5bd3f0a1e (patch) | |
| tree | c7fbe44c9b0c33d7b3c379bf74c03bd69fabb0f1 /arch/arm/mach-vexpress | |
| parent | ARM: vexpress: Simplify SMP operations for DT-powered system (diff) | |
| download | linux-6b2c31c71d6fa8896c5f3f2354d790a5bd3f0a1e.tar.xz linux-6b2c31c71d6fa8896c5f3f2354d790a5bd3f0a1e.zip | |
ARM: vexpress: move HBI check to sysreg driver
The last reason for static memory mapping is the HBI (board
identification number) check early in the machine code.
Moving the check to the sysreg driver makes it possible to
completely remove the early mapping and init functions.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'arch/arm/mach-vexpress')
| -rw-r--r-- | arch/arm/mach-vexpress/v2m.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index d8b419bcf3c3..38f4f6f37770 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -370,53 +370,6 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express") .init_machine = v2m_init, MACHINE_END -static struct map_desc v2m_rs1_io_desc __initdata = { - .virtual = V2M_PERIPH, - .pfn = __phys_to_pfn(0x1c000000), - .length = SZ_2M, - .type = MT_DEVICE, -}; - -static int __init v2m_dt_scan_memory_map(unsigned long node, const char *uname, - int depth, void *data) -{ - const char **map = data; - - if (strcmp(uname, "motherboard") != 0) - return 0; - - *map = of_get_flat_dt_prop(node, "arm,v2m-memory-map", NULL); - - return 1; -} - -void __init v2m_dt_map_io(void) -{ - const char *map = NULL; - - of_scan_flat_dt(v2m_dt_scan_memory_map, &map); - - if (map && strcmp(map, "rs1") == 0) - iotable_init(&v2m_rs1_io_desc, 1); - else - iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc)); -} - -void __init v2m_dt_init_early(void) -{ - u32 dt_hbi; - - /* Confirm board type against DT property, if available */ - if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) { - u32 hbi = vexpress_get_hbi(VEXPRESS_SITE_MASTER); - - if (WARN_ON(dt_hbi != hbi)) - pr_warning("vexpress: DT HBI (%x) is not matching " - "hardware (%x)!\n", dt_hbi, hbi); - } -} - - static void __init v2m_dt_init(void) { l2x0_of_init(0x00400000, 0xfe0fffff); @@ -432,7 +385,5 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express") .dt_compat = v2m_dt_match, .smp = smp_ops(vexpress_smp_dt_ops), .smp_init = smp_init_ops(vexpress_smp_init_ops), - .map_io = v2m_dt_map_io, - .init_early = v2m_dt_init_early, .init_machine = v2m_dt_init, MACHINE_END |