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hw: aspeed_scu: Introduce clkin_25Mhz attribute

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AST2600 clkin is always 25MHz, introduce clkin_25Mhz attribute
for aspeed_scu_get_clkin() to return the correct clkin for ast2600.

Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220315075753.8591-3-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Steven Lee 2022-05-02 17:03:02 +02:00 committed by Cédric Le Goater
parent dd7f19a963
commit bad23bb644
2 changed files with 6 additions and 1 deletions
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6
hw/misc/aspeed_scu.c
View File

@ -371,7 +371,8 @@ static const MemoryRegionOps aspeed_ast2500_scu_ops = {
static uint32_t aspeed_scu_get_clkin(AspeedSCUState *s)
{
if (s->hw_strap1 & SCU_HW_STRAP_CLK_25M_IN) {
if (s->hw_strap1 & SCU_HW_STRAP_CLK_25M_IN ||
ASPEED_SCU_GET_CLASS(s)->clkin_25Mhz) {
return 25000000;
} else if (s->hw_strap1 & SCU_HW_STRAP_CLK_48M_IN) {
return 48000000;
@ -562,6 +563,7 @@ static void aspeed_2400_scu_class_init(ObjectClass *klass, void *data)
asc->get_apb = aspeed_2400_scu_get_apb_freq;
asc->apb_divider = 2;
asc->nr_regs = ASPEED_SCU_NR_REGS;
asc->clkin_25Mhz = false;
asc->ops = &aspeed_ast2400_scu_ops;
}
@ -583,6 +585,7 @@ static void aspeed_2500_scu_class_init(ObjectClass *klass, void *data)
asc->get_apb = aspeed_2400_scu_get_apb_freq;
asc->apb_divider = 4;
asc->nr_regs = ASPEED_SCU_NR_REGS;
asc->clkin_25Mhz = false;
asc->ops = &aspeed_ast2500_scu_ops;
}
@ -756,6 +759,7 @@ static void aspeed_2600_scu_class_init(ObjectClass *klass, void *data)
asc->get_apb = aspeed_2600_scu_get_apb_freq;
asc->apb_divider = 4;
asc->nr_regs = ASPEED_AST2600_SCU_NR_REGS;
asc->clkin_25Mhz = true;
asc->ops = &aspeed_ast2600_scu_ops;
}

1
include/hw/misc/aspeed_scu.h
View File

@ -59,6 +59,7 @@ struct AspeedSCUClass {
uint32_t (*get_apb)(AspeedSCUState *s);
uint32_t apb_divider;
uint32_t nr_regs;
bool clkin_25Mhz;
const MemoryRegionOps *ops;
};