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| author | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2010-08-02 10:18:18 (GMT) |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-08-02 10:18:18 (GMT) |
| commit | 3f9eaf0984952f69cb2d0c1b0f99b95b74742094 (patch) | |
| tree | 40ea04df84bf010244f90fc538e5445063328d8a /arch/arm/mach-omap2 | |
| parent | 5643aebbc088332e6722750c45bcd83f61af071e (diff) | |
| download | linux-3f9eaf0984952f69cb2d0c1b0f99b95b74742094.tar.xz | |
omap4: Add smc API to read AuxCoreBoot0 register
This patch adds a secure API to read AuxCoreBoot0 register to
check the cpu boot status. It also moves the other smc APIs
to common omap44xx-smc.S. This APIs should not be marked as
__INIT because we need these to be present for CPU hotplug
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/omap-headsmp.S | 16 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap44xx-smc.S | 25 |
2 files changed, 25 insertions, 16 deletions
diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S index ef0e7a0..6ae937a 100644 --- a/arch/arm/mach-omap2/omap-headsmp.S +++ b/arch/arm/mach-omap2/omap-headsmp.S @@ -47,19 +47,3 @@ hold: ldr r12,=0x103 b secondary_startup END(omap_secondary_startup) - -ENTRY(omap_modify_auxcoreboot0) - stmfd sp!, {r1-r12, lr} - ldr r12, =0x104 - dsb - smc #0 - ldmfd sp!, {r1-r12, pc} -END(omap_modify_auxcoreboot0) - -ENTRY(omap_auxcoreboot_addr) - stmfd sp!, {r2-r12, lr} - ldr r12, =0x105 - dsb - smc #0 - ldmfd sp!, {r2-r12, pc} -END(omap_auxcoreboot_addr) diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S index f61c777..1980dc3 100644 --- a/arch/arm/mach-omap2/omap44xx-smc.S +++ b/arch/arm/mach-omap2/omap44xx-smc.S @@ -30,3 +30,28 @@ ENTRY(omap_smc1) smc #0 ldmfd sp!, {r2-r12, pc} END(omap_smc1) + +ENTRY(omap_modify_auxcoreboot0) + stmfd sp!, {r1-r12, lr} + ldr r12, =0x104 + dsb + smc #0 + ldmfd sp!, {r1-r12, pc} +END(omap_modify_auxcoreboot0) + +ENTRY(omap_auxcoreboot_addr) + stmfd sp!, {r2-r12, lr} + ldr r12, =0x105 + dsb + smc #0 + ldmfd sp!, {r2-r12, pc} +END(omap_auxcoreboot_addr) + +ENTRY(omap_read_auxcoreboot0) + stmfd sp!, {r2-r12, lr} + ldr r12, =0x103 + dsb + smc #0 + mov r0, r0, lsr #9 + ldmfd sp!, {r2-r12, pc} +END(omap_read_auxcoreboot0) |