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This follows the gic and ti/aintc code by adding additional barriers to the

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Amlogic pic driver.

Differential Revision:	https://reviews.freebsd.org/D2472
Submitted by:		John Wehle
This commit is contained in:
Ganbold Tsagaankhuu 2015-05-08 04:38:01 +00:00
parent 2a77d72739
commit bd14d14fcd
1 changed files with 6 additions and 0 deletions
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6
sys/arm/amlogic/aml8726/aml8726_pic.c
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@ -121,6 +121,8 @@ aml8726_pic_eoi(void *arg)
if (nb >= AML_PIC_NIRQS) if (nb >= AML_PIC_NIRQS)
return; return;
arm_irq_memory_barrier(nb);
CSR_WRITE_4(aml8726_pic_sc, AML_PIC_STAT_CLR_REG(nb), AML_PIC_BIT(nb)); CSR_WRITE_4(aml8726_pic_sc, AML_PIC_STAT_CLR_REG(nb), AML_PIC_BIT(nb));
CSR_BARRIER(aml8726_pic_sc, AML_PIC_STAT_CLR_REG(nb)); CSR_BARRIER(aml8726_pic_sc, AML_PIC_STAT_CLR_REG(nb));
@ -265,8 +267,12 @@ arm_unmask_irq(uintptr_t nb)
if (nb >= AML_PIC_NIRQS) if (nb >= AML_PIC_NIRQS)
return; return;
arm_irq_memory_barrier(nb);
mask = CSR_READ_4(aml8726_pic_sc, AML_PIC_MASK_REG(nb)); mask = CSR_READ_4(aml8726_pic_sc, AML_PIC_MASK_REG(nb));
mask |= AML_PIC_BIT(nb); mask |= AML_PIC_BIT(nb);
CSR_WRITE_4(aml8726_pic_sc, AML_PIC_MASK_REG(nb), mask); CSR_WRITE_4(aml8726_pic_sc, AML_PIC_MASK_REG(nb), mask);
CSR_BARRIER(aml8726_pic_sc, AML_PIC_MASK_REG(nb));
} }
#endif #endif