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Diffstat (limited to 'hw/misc/aspeed_scu.c')
-rw-r--r--hw/misc/aspeed_scu.c108
1 files changed, 106 insertions, 2 deletions
diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c
index d06e179a6e..19b03471fc 100644
--- a/hw/misc/aspeed_scu.c
+++ b/hw/misc/aspeed_scu.c
@@ -214,6 +214,11 @@ static uint32_t aspeed_scu_get_random(void)
uint32_t aspeed_scu_get_apb_freq(AspeedSCUState *s)
{
+ return ASPEED_SCU_GET_CLASS(s)->get_apb(s);
+}
+
+static uint32_t aspeed_2400_scu_get_apb_freq(AspeedSCUState *s)
+{
AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(s);
uint32_t hpll = asc->calc_hpll(s, s->regs[HPLL_PARAM]);
@@ -221,6 +226,24 @@ uint32_t aspeed_scu_get_apb_freq(AspeedSCUState *s)
/ asc->apb_divider;
}
+static uint32_t aspeed_2600_scu_get_apb_freq(AspeedSCUState *s)
+{
+ AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(s);
+ uint32_t hpll = asc->calc_hpll(s, s->regs[AST2600_HPLL_PARAM]);
+
+ return hpll / (SCU_CLK_GET_PCLK_DIV(s->regs[AST2600_CLK_SEL]) + 1)
+ / asc->apb_divider;
+}
+
+static uint32_t aspeed_1030_scu_get_apb_freq(AspeedSCUState *s)
+{
+ AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(s);
+ uint32_t hpll = asc->calc_hpll(s, s->regs[AST2600_HPLL_PARAM]);
+
+ return hpll / (SCU_AST1030_CLK_GET_PCLK_DIV(s->regs[AST2600_CLK_SEL4]) + 1)
+ / asc->apb_divider;
+}
+
static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size)
{
AspeedSCUState *s = ASPEED_SCU(opaque);
@@ -357,7 +380,8 @@ 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;
@@ -426,6 +450,26 @@ static uint32_t aspeed_2500_scu_calc_hpll(AspeedSCUState *s, uint32_t hpll_reg)
return clkin * multiplier;
}
+static uint32_t aspeed_2600_scu_calc_hpll(AspeedSCUState *s, uint32_t hpll_reg)
+{
+ uint32_t multiplier = 1;
+ uint32_t clkin = aspeed_scu_get_clkin(s);
+
+ if (hpll_reg & SCU_AST2600_H_PLL_OFF) {
+ return 0;
+ }
+
+ if (!(hpll_reg & SCU_AST2600_H_PLL_BYPASS_EN)) {
+ uint32_t p = (hpll_reg >> 19) & 0xf;
+ uint32_t n = (hpll_reg >> 13) & 0x3f;
+ uint32_t m = hpll_reg & 0x1fff;
+
+ multiplier = ((m + 1) / (n + 1)) / (p + 1);
+ }
+
+ return clkin * multiplier;
+}
+
static void aspeed_scu_reset(DeviceState *dev)
{
AspeedSCUState *s = ASPEED_SCU(dev);
@@ -447,6 +491,8 @@ static uint32_t aspeed_silicon_revs[] = {
AST2600_A1_SILICON_REV,
AST2600_A2_SILICON_REV,
AST2600_A3_SILICON_REV,
+ AST1030_A0_SILICON_REV,
+ AST1030_A1_SILICON_REV,
};
bool is_supported_silicon_rev(uint32_t silicon_rev)
@@ -525,8 +571,10 @@ static void aspeed_2400_scu_class_init(ObjectClass *klass, void *data)
dc->desc = "ASPEED 2400 System Control Unit";
asc->resets = ast2400_a0_resets;
asc->calc_hpll = aspeed_2400_scu_calc_hpll;
+ 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;
}
@@ -545,8 +593,10 @@ static void aspeed_2500_scu_class_init(ObjectClass *klass, void *data)
dc->desc = "ASPEED 2500 System Control Unit";
asc->resets = ast2500_a1_resets;
asc->calc_hpll = aspeed_2500_scu_calc_hpll;
+ 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;
}
@@ -716,9 +766,11 @@ static void aspeed_2600_scu_class_init(ObjectClass *klass, void *data)
dc->desc = "ASPEED 2600 System Control Unit";
dc->reset = aspeed_ast2600_scu_reset;
asc->resets = ast2600_a3_resets;
- asc->calc_hpll = aspeed_2500_scu_calc_hpll; /* No change since AST2500 */
+ asc->calc_hpll = aspeed_2600_scu_calc_hpll;
+ 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;
}
@@ -729,12 +781,64 @@ static const TypeInfo aspeed_2600_scu_info = {
.class_init = aspeed_2600_scu_class_init,
};
+static const uint32_t ast1030_a1_resets[ASPEED_AST2600_SCU_NR_REGS] = {
+ [AST2600_SYS_RST_CTRL] = 0xFFC3FED8,
+ [AST2600_SYS_RST_CTRL2] = 0x09FFFFFC,
+ [AST2600_CLK_STOP_CTRL] = 0xFFFF7F8A,
+ [AST2600_CLK_STOP_CTRL2] = 0xFFF0FFF0,
+ [AST2600_DEBUG_CTRL2] = 0x00000000,
+ [AST2600_HPLL_PARAM] = 0x10004077,
+ [AST2600_HPLL_EXT] = 0x00000031,
+ [AST2600_CLK_SEL4] = 0x43F90900,
+ [AST2600_CLK_SEL5] = 0x40000000,
+ [AST2600_CHIP_ID0] = 0xDEADBEEF,
+ [AST2600_CHIP_ID1] = 0x0BADCAFE,
+};
+
+static void aspeed_ast1030_scu_reset(DeviceState *dev)
+{
+ AspeedSCUState *s = ASPEED_SCU(dev);
+ AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev);
+
+ memcpy(s->regs, asc->resets, asc->nr_regs * 4);
+
+ s->regs[AST2600_SILICON_REV] = AST1030_A1_SILICON_REV;
+ s->regs[AST2600_SILICON_REV2] = s->silicon_rev;
+ s->regs[AST2600_HW_STRAP1] = s->hw_strap1;
+ s->regs[AST2600_HW_STRAP2] = s->hw_strap2;
+ s->regs[PROT_KEY] = s->hw_prot_key;
+}
+
+static void aspeed_1030_scu_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass);
+
+ dc->desc = "ASPEED 1030 System Control Unit";
+ dc->reset = aspeed_ast1030_scu_reset;
+ asc->resets = ast1030_a1_resets;
+ asc->calc_hpll = aspeed_2600_scu_calc_hpll;
+ asc->get_apb = aspeed_1030_scu_get_apb_freq;
+ asc->apb_divider = 2;
+ asc->nr_regs = ASPEED_AST2600_SCU_NR_REGS;
+ asc->clkin_25Mhz = true;
+ asc->ops = &aspeed_ast2600_scu_ops;
+}
+
+static const TypeInfo aspeed_1030_scu_info = {
+ .name = TYPE_ASPEED_1030_SCU,
+ .parent = TYPE_ASPEED_SCU,
+ .instance_size = sizeof(AspeedSCUState),
+ .class_init = aspeed_1030_scu_class_init,
+};
+
static void aspeed_scu_register_types(void)
{
type_register_static(&aspeed_scu_info);
type_register_static(&aspeed_2400_scu_info);
type_register_static(&aspeed_2500_scu_info);
type_register_static(&aspeed_2600_scu_info);
+ type_register_static(&aspeed_1030_scu_info);
}
type_init(aspeed_scu_register_types);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-24 21:11:20 +0200