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author | Jayachandran C <jchandra@broadcom.com> | 2012-10-31 12:01:36 +0000 |
---|---|---|
committer | John Crispin <blogic@openwrt.org> | 2012-11-09 11:37:19 +0100 |
commit | 7143246e9ace7f6b50aad217289dd64b7a44dd2c (patch) | |
tree | e520ce0957d5aab7f9f056f73da323f23d1bc73a /arch/mips/include | |
parent | feddaf7d89d554b705e7eb14a9202c4946e57c8e (diff) | |
download | linux-7143246e9ace7f6b50aad217289dd64b7a44dd2c.tar.gz linux-7143246e9ace7f6b50aad217289dd64b7a44dd2c.tar.bz2 linux-7143246e9ace7f6b50aad217289dd64b7a44dd2c.zip |
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/include')
-rw-r--r-- | arch/mips/include/asm/netlogic/xlp-hal/pic.h | 40 |
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 49ee15c19771..061e0710607a 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); } |