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author | Rafał Miłecki <zajec5@gmail.com> | 2014-10-28 14:40:38 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 07:45:00 +0100 |
commit | e5810fa0c1bed16fdfb408862a2e17e962ec5cf6 (patch) | |
tree | 424fd47ac92e2696afe287a29dfc14f4fc5f399d /arch/mips/bcm47xx/setup.c | |
parent | a59da8fb3b2a1f2df5f871464e43cd5b6ca6ceb1 (diff) | |
download | op-kernel-dev-e5810fa0c1bed16fdfb408862a2e17e962ec5cf6.zip op-kernel-dev-e5810fa0c1bed16fdfb408862a2e17e962ec5cf6.tar.gz |
MIPS: BCM47XX: Initialize bcma bus later (with mm available)
Initializaion with memory allocator available will be much simpler, this
will allow cleanup in the bcma code.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8234/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/bcm47xx/setup.c')
-rw-r--r-- | arch/mips/bcm47xx/setup.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 444c65a..e43b504 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -156,15 +156,14 @@ static void __init bcm47xx_register_bcma(void) err = bcma_host_soc_register(&bcm47xx_bus.bcma); if (err) panic("Failed to register BCMA bus (err %d)", err); - - err = bcma_host_soc_init(&bcm47xx_bus.bcma); - if (err) - panic("Failed to initialize BCMA bus (err %d)", err); - - bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL); } #endif +/* + * Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed + * to detect memory and record it with add_memory_region. + * Any extra initializaion performed here must not use kmalloc or bootmem. + */ void __init plat_mem_setup(void) { struct cpuinfo_mips *c = ¤t_cpu_data; @@ -193,6 +192,28 @@ void __init plat_mem_setup(void) _machine_restart = bcm47xx_machine_restart; _machine_halt = bcm47xx_machine_halt; pm_power_off = bcm47xx_machine_halt; +} + +/* + * This finishes bus initialization doing things that were not possible without + * kmalloc. Make sure to call it late enough (after mm_init). + */ +void __init bcm47xx_bus_setup(void) +{ +#ifdef CONFIG_BCM47XX_BCMA + if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) { + int err; + + err = bcma_host_soc_init(&bcm47xx_bus.bcma); + if (err) + panic("Failed to initialize BCMA bus (err %d)", err); + + bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, + NULL); + } +#endif + + /* With bus initialized we can access NVRAM and detect the board */ bcm47xx_board_detect(); mips_set_machine_name(bcm47xx_board_get_name()); } |