diff options
Diffstat (limited to 'drivers/renesas/common/scif/scif.S')
| -rw-r--r-- | drivers/renesas/common/scif/scif.S | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/renesas/common/scif/scif.S b/drivers/renesas/common/scif/scif.S index beb8dd838..72b5b4bea 100644 --- a/drivers/renesas/common/scif/scif.S +++ b/drivers/renesas/common/scif/scif.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * Copyright (c) 2015-2021, Renesas Electronics Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -79,7 +79,7 @@ SCSMR_STOP_1 + \ SCSMR_CKS_DIV1) #define SCBRR_115200BPS (17) -#define SCBRR_115200BPSON (16) +#define SCBRR_115200BPS_D3_SSCG (16) #define SCBRR_115200BPS_E3_SSCG (15) #define SCBRR_230400BPS (8) @@ -216,26 +216,38 @@ func console_rcar_init and w1, w1, #PRR_PRODUCT_MASK mov w2, #PRR_PRODUCT_D3 cmp w1, w2 - beq 4f + beq 5f and w1, w1, #PRR_PRODUCT_MASK mov w2, #PRR_PRODUCT_E3 cmp w1, w2 - bne 5f + bne 4f + /* When SSCG(MD12) on (E3) */ ldr x1, =RST_MODEMR ldr w1, [x1] and w1, w1, #MODEMR_MD12 mov w2, #MODEMR_MD12 cmp w1, w2 - bne 5f + bne 4f + /* When SSCG(MD12) on (E3) */ mov w1, #SCBRR_115200BPS_E3_SSCG b 2f 5: - mov w1, #SCBRR_115200BPS + /* In case of D3 */ + ldr x1, =RST_MODEMR + ldr w1, [x1] + and w1, w1, #MODEMR_MD12 + mov w2, #MODEMR_MD12 + cmp w1, w2 + bne 4f + + /* When SSCG(MD12) on (D3) */ + mov w1, #SCBRR_115200BPS_D3_SSCG b 2f 4: - mov w1, #SCBRR_115200BPSON + /* In case of H3/M3/M3N or when SSCG(MD12) is off in E3/D3 */ + mov w1, #SCBRR_115200BPS b 2f 3: mov w1, #SCBRR_230400BPS |