From 3383d6a4d1461bb029b21fa53417382e34ae4906 Mon Sep 17 00:00:00 2001 From: Mayuresh Chitale Date: Mon, 11 Apr 2022 08:34:17 +0530 Subject: [PATCH] lib: irqchip/imsic: configure mstateen When mstateen registers are implemented, the AIA related configurations need to be done in mstateen for the IMSIC initialization to succeed. Signed-off-by: Mayuresh Chitale Reviewed-by: Xiang W Reviewed-by: Anup Patel --- lib/sbi/sbi_hart.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index b0edf382..7b602c30 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -98,6 +98,12 @@ static void mstatus_init(struct sbi_scratch *scratch) mstateen_val |= SMSTATEEN0_HSENVCFG; else mstateen_val &= ~SMSTATEEN0_HSENVCFG; + if (sbi_hart_has_feature(scratch, SBI_HART_HAS_AIA)) + mstateen_val |= (SMSTATEEN0_AIA | SMSTATEEN0_SVSLCT | + SMSTATEEN0_IMSIC); + else + mstateen_val &= ~(SMSTATEEN0_AIA | SMSTATEEN0_SVSLCT | + SMSTATEEN0_IMSIC); csr_write(CSR_MSTATEEN0, mstateen_val); #if __riscv_xlen == 32 csr_write(CSR_MSTATEEN0H, mstateen_val >> 32);