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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-22 18:18:57 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-16 11:06:40 +0100 |
| commit | 98c672cf1fa2a56f6f43e3f48b1208b83845582c (patch) | |
| tree | 39ac68eb0d260f090cebabff9a2f2cf8c6bcebd2 /arch/arm/mach-u300 | |
| parent | b65b4781fbd5846a82cdac0c32818af1a7452d1f (diff) | |
| download | linux-98c672cf1fa2a56f6f43e3f48b1208b83845582c.tar.bz2 | |
ARM: Move platform memory reservations out of generic code
Move the platform specific bootmem memory reservations out of
arch/arm/mm/mmu.c into their respective platform files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-u300')
| -rw-r--r-- | arch/arm/mach-u300/u300.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c index d2a0b8847a18..178dca4f9555 100644 --- a/arch/arm/mach-u300/u300.c +++ b/arch/arm/mach-u300/u300.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/ioport.h> +#include <linux/bootmem.h> #include <linux/platform_device.h> #include <linux/io.h> #include <mach/hardware.h> @@ -22,6 +23,21 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> +static void __init u300_reserve(void) +{ + /* + * U300 - This platform family can share physical memory + * between two ARM cpus, one running Linux and the other + * running another OS. + */ +#ifdef CONFIG_MACH_U300_SINGLE_RAM +#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \ + CONFIG_MACH_U300_2MB_ALIGNMENT_FIX + reserve_bootmem(PHYS_OFFSET, 0x00100000, BOOTMEM_DEFAULT); +#endif +#endif +} + static void __init u300_init_machine(void) { u300_init_devices(); @@ -49,6 +65,7 @@ MACHINE_START(U300, MACH_U300_STRING) .io_pg_offst = ((U300_AHB_PER_VIRT_BASE) >> 18) & 0xfffc, .boot_params = BOOT_PARAMS_OFFSET, .map_io = u300_map_io, + .reserve = u300_reserve, .init_irq = u300_init_irq, .timer = &u300_timer, .init_machine = u300_init_machine, |