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bsps/riscv: Add riscv_plic_cpu_0_init()

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Move boot processor initialization of PLIC to separate function.
This commit is contained in:
Sebastian Huber
2022-11-23 07:46:06 +01:00
parent 5756a6af10
commit 733d9b750c
1 changed files with 23 additions and 13 deletions
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36
bsps/riscv/riscv/irq/irq.c
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@@ -149,6 +149,28 @@ static void riscv_plic_per_cpu_init(
} }
} }
static void riscv_plic_cpu_0_init(
volatile RISCV_PLIC_regs *plic,
uint32_t interrupt_last
)
{
Per_CPU_Control *cpu;
uint32_t i;
cpu = _Per_CPU_Get_by_index(0);
for (i = 1; i <= interrupt_last; ++i) {
plic->priority[i] = 1;
riscv_plic_irq_to_cpu[i - 1] = cpu->cpu_per_cpu.plic_m_ie;
}
/*
* External M-mode interrupts on secondary processors are enabled in
* bsp_start_on_secondary_processor().
*/
set_csr(mie, MIP_MEIP);
}
static void riscv_clint_init(const void *fdt) static void riscv_clint_init(const void *fdt)
{ {
volatile RISCV_CLINT_regs *clint; volatile RISCV_CLINT_regs *clint;
@@ -213,7 +235,6 @@ static void riscv_plic_init(const void *fdt)
int len; int len;
uint32_t interrupt_index; uint32_t interrupt_index;
uint32_t ndev; uint32_t ndev;
Per_CPU_Control *cpu;
node = fdt_node_offset_by_compatible(fdt, -1, "riscv,plic0"); node = fdt_node_offset_by_compatible(fdt, -1, "riscv,plic0");
@@ -289,18 +310,7 @@ static void riscv_plic_init(const void *fdt)
#endif #endif
} }
cpu = _Per_CPU_Get_by_index(0); riscv_plic_cpu_0_init(plic, ndev);
for (interrupt_index = 1; interrupt_index <= ndev; ++interrupt_index) {
plic->priority[interrupt_index] = 1;
riscv_plic_irq_to_cpu[interrupt_index - 1] = cpu->cpu_per_cpu.plic_m_ie;
}
/*
* External M-mode interrupts on secondary processors are enabled in
* bsp_start_on_secondary_processor().
*/
set_csr(mie, MIP_MEIP);
} }
void bsp_interrupt_facility_initialize(void) void bsp_interrupt_facility_initialize(void)