diff options
Diffstat (limited to 'lib/utils/sys/clint.c')
| -rw-r--r-- | lib/utils/sys/clint.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/utils/sys/clint.c b/lib/utils/sys/clint.c index 4b1963a..e8c2bd9 100644 --- a/lib/utils/sys/clint.c +++ b/lib/utils/sys/clint.c @@ -13,6 +13,7 @@ #include <sbi/sbi_domain.h> #include <sbi/sbi_error.h> #include <sbi/sbi_hartmask.h> +#include <sbi/sbi_ipi.h> #include <sbi/sbi_timer.h> #include <sbi_utils/sys/clint.h> @@ -27,7 +28,7 @@ static struct clint_data *clint_ipi_hartid2data[SBI_HARTMASK_MAX_BITS]; -void clint_ipi_send(u32 target_hart) +static void clint_ipi_send(u32 target_hart) { struct clint_data *clint; @@ -41,7 +42,7 @@ void clint_ipi_send(u32 target_hart) writel(1, &clint->ipi[target_hart - clint->first_hartid]); } -void clint_ipi_clear(u32 target_hart) +static void clint_ipi_clear(u32 target_hart) { struct clint_data *clint; @@ -55,6 +56,12 @@ void clint_ipi_clear(u32 target_hart) writel(0, &clint->ipi[target_hart - clint->first_hartid]); } +static struct sbi_ipi_device clint_ipi = { + .name = "clint", + .ipi_send = clint_ipi_send, + .ipi_clear = clint_ipi_clear +}; + int clint_warm_ipi_init(void) { /* Clear CLINT IPI for current HART */ @@ -66,6 +73,7 @@ int clint_warm_ipi_init(void) int clint_cold_ipi_init(struct clint_data *clint) { u32 i; + int rc; struct sbi_domain_memregion reg; if (!clint) @@ -82,7 +90,13 @@ int clint_cold_ipi_init(struct clint_data *clint) sbi_domain_memregion_init(clint->addr + CLINT_IPI_OFF, CLINT_IPI_SIZE, SBI_DOMAIN_MEMREGION_MMIO, ®); - return sbi_domain_root_add_memregion(®); + rc = sbi_domain_root_add_memregion(®); + if (rc) + return rc; + + sbi_ipi_set_device(&clint_ipi); + + return 0; } static struct clint_data *clint_timer_hartid2data[SBI_HARTMASK_MAX_BITS]; |