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authorJayachandran C <jchandra@broadcom.com>2012-10-31 12:01:36 +0000
committerJohn Crispin <blogic@openwrt.org>2012-11-09 11:37:19 +0100
commit7143246e9ace7f6b50aad217289dd64b7a44dd2c (patch)
treee520ce0957d5aab7f9f056f73da323f23d1bc73a /arch/mips
parentfeddaf7d89d554b705e7eb14a9202c4946e57c8e (diff)
downloadop-kernel-dev-7143246e9ace7f6b50aad217289dd64b7a44dd2c.zip
op-kernel-dev-7143246e9ace7f6b50aad217289dd64b7a44dd2c.tar.gz
MIPS: Netlogic: Update PIC access functions
Remove unused and trivial PIC accesss functions, update nlm_pic_send_ipi() and nlm_set_irt_to_cpu() to use similar logic, and use correct type for reg in nlm_pic_disable_irt(). Signed-off-by: Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4463 Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/netlogic/xlp-hal/pic.h40
1 files changed, 7 insertions, 33 deletions
diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
index 49ee15c..061e071 100644
--- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h
+++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
@@ -273,36 +273,16 @@ nlm_pic_read_irt(uint64_t base, int irt_index)
return nlm_read_pic_reg(base, PIC_IRT(irt_index));
}
-static inline uint64_t
-nlm_pic_read_control(uint64_t base)
-{
- return nlm_read_pic_reg(base, PIC_CTRL);
-}
-
-static inline void
-nlm_pic_write_control(uint64_t base, uint64_t control)
-{
- nlm_write_pic_reg(base, PIC_CTRL, control);
-}
-
-static inline void
-nlm_pic_update_control(uint64_t base, uint64_t control)
-{
- uint64_t val;
-
- val = nlm_read_pic_reg(base, PIC_CTRL);
- nlm_write_pic_reg(base, PIC_CTRL, control | val);
-}
-
static inline void
nlm_set_irt_to_cpu(uint64_t base, int irt, int cpu)
{
uint64_t val;
val = nlm_read_pic_reg(base, PIC_IRT(irt));
- val |= cpu & 0xf;
- if (cpu > 15)
- val |= 1 << 16;
+ /* clear cpuset and mask */
+ val &= ~((0x7ull << 16) | 0xffff);
+ /* set DB, cpuset and cpumask */
+ val |= (1 << 19) | ((cpu >> 4) << 16) | (1 << (cpu & 0xf));
nlm_write_pic_reg(base, PIC_IRT(irt), val);
}
@@ -369,7 +349,7 @@ nlm_pic_enable_irt(uint64_t base, int irt)
static inline void
nlm_pic_disable_irt(uint64_t base, int irt)
{
- uint32_t reg;
+ uint64_t reg;
reg = nlm_read_pic_reg(base, PIC_IRT(irt));
nlm_write_pic_reg(base, PIC_IRT(irt), reg & ~((uint64_t)1 << 31));
@@ -379,15 +359,9 @@ static inline void
nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi)
{
uint64_t ipi;
- int node, ncpu;
-
- node = hwt / 32;
- ncpu = hwt & 0x1f;
- ipi = ((uint64_t)nmi << 31) | (irq << 20) | (node << 17) |
- (1 << (ncpu & 0xf));
- if (ncpu > 15)
- ipi |= 0x10000; /* Setting bit 16 to select cpus 16-31 */
+ ipi = (nmi << 31) | (irq << 20);
+ ipi |= ((hwt >> 4) << 16) | (1 << (hwt & 0xf)); /* cpuset and mask */
nlm_write_pic_reg(base, PIC_IPI_CTL, ipi);
}
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