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MIPS: Netlogic: Update PIC access functions

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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>
This commit is contained in:
Jayachandran C 2012-10-31 12:01:36 +00:00 committed by John Crispin
parent feddaf7d89
commit 7143246e9a
1 changed files with 7 additions and 33 deletions
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40
arch/mips/include/asm/netlogic/xlp-hal/pic.h
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@ -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);
}