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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-integrator | |
| parent | b65b4781fbd5846a82cdac0c32818af1a7452d1f (diff) | |
| download | linux-98c672cf1fa2a56f6f43e3f48b1208b83845582c.tar.gz linux-98c672cf1fa2a56f6f43e3f48b1208b83845582c.tar.bz2 linux-98c672cf1fa2a56f6f43e3f48b1208b83845582c.zip | |
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-integrator')
| -rw-r--r-- | arch/arm/mach-integrator/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/core.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 3 |
4 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h new file mode 100644 index 000000000000..5f96e1518aa9 --- /dev/null +++ b/arch/arm/mach-integrator/common.h @@ -0,0 +1 @@ +void integrator_reserve(void); diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index b02cfc06e0ae..f815a1863f70 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/bootmem.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/termios.h> @@ -30,6 +31,7 @@ #include <asm/system.h> #include <asm/leds.h> #include <asm/mach/time.h> +#include <asm/pgtable.h> static struct amba_pl010_data integrator_uart_data; @@ -215,3 +217,13 @@ void cm_control(u32 mask, u32 set) } EXPORT_SYMBOL(cm_control); + +/* + * We need to stop things allocating the low memory; ideally we need a + * better implementation of GFP_DMA which does not assume that DMA-able + * memory starts at zero. + */ +void __init integrator_reserve(void) +{ + reserve_bootmem(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET, BOOTMEM_DEFAULT); +} diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 227cf4d05088..6ab5a03ab9d8 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -48,6 +48,8 @@ #include <asm/mach/map.h> #include <asm/mach/time.h> +#include "common.h" + /* * All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx * is the (PA >> 12). @@ -502,6 +504,7 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator") .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, .map_io = ap_map_io, + .reserve = integrator_reserve, .init_irq = ap_init_irq, .timer = &ap_timer, .init_machine = ap_init, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index cde57b2b83b5..05db40e3c4f7 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -43,6 +43,8 @@ #include <plat/timer-sp.h> +#include "common.h" + #define INTCP_PA_FLASH_BASE 0x24000000 #define INTCP_FLASH_SIZE SZ_32M @@ -601,6 +603,7 @@ MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, .map_io = intcp_map_io, + .reserve = integrator_reserve, .init_irq = intcp_init_irq, .timer = &cp_timer, .init_machine = intcp_init, |