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-rw-r--r--hw/misc/npcm_clk.c117
-rw-r--r--include/hw/misc/npcm_clk.h10
2 files changed, 119 insertions, 8 deletions
diff --git a/hw/misc/npcm_clk.c b/hw/misc/npcm_clk.c
index 78144b1..d1f2975 100644
--- a/hw/misc/npcm_clk.c
+++ b/hw/misc/npcm_clk.c
@@ -1,5 +1,5 @@
/*
- * Nuvoton NPCM7xx Clock Control Registers.
+ * Nuvoton NPCM7xx/8xx Clock Control Registers.
*
* Copyright 2020 Google LLC
*
@@ -72,7 +72,57 @@ enum NPCM7xxCLKRegisters {
NPCM7XX_CLK_AHBCKFI,
NPCM7XX_CLK_SECCNT,
NPCM7XX_CLK_CNTR25M,
- NPCM7XX_CLK_REGS_END,
+};
+
+enum NPCM8xxCLKRegisters {
+ NPCM8XX_CLK_CLKEN1,
+ NPCM8XX_CLK_CLKSEL,
+ NPCM8XX_CLK_CLKDIV1,
+ NPCM8XX_CLK_PLLCON0,
+ NPCM8XX_CLK_PLLCON1,
+ NPCM8XX_CLK_SWRSTR,
+ NPCM8XX_CLK_IPSRST1 = 0x20 / sizeof(uint32_t),
+ NPCM8XX_CLK_IPSRST2,
+ NPCM8XX_CLK_CLKEN2,
+ NPCM8XX_CLK_CLKDIV2,
+ NPCM8XX_CLK_CLKEN3,
+ NPCM8XX_CLK_IPSRST3,
+ NPCM8XX_CLK_WD0RCR,
+ NPCM8XX_CLK_WD1RCR,
+ NPCM8XX_CLK_WD2RCR,
+ NPCM8XX_CLK_SWRSTC1,
+ NPCM8XX_CLK_SWRSTC2,
+ NPCM8XX_CLK_SWRSTC3,
+ NPCM8XX_CLK_TIPRSTC,
+ NPCM8XX_CLK_PLLCON2,
+ NPCM8XX_CLK_CLKDIV3,
+ NPCM8XX_CLK_CORSTC,
+ NPCM8XX_CLK_PLLCONG,
+ NPCM8XX_CLK_AHBCKFI,
+ NPCM8XX_CLK_SECCNT,
+ NPCM8XX_CLK_CNTR25M,
+ /* Registers unique to NPCM8XX SoC */
+ NPCM8XX_CLK_CLKEN4,
+ NPCM8XX_CLK_IPSRST4,
+ NPCM8XX_CLK_BUSTO,
+ NPCM8XX_CLK_CLKDIV4,
+ NPCM8XX_CLK_WD0RCRB,
+ NPCM8XX_CLK_WD1RCRB,
+ NPCM8XX_CLK_WD2RCRB,
+ NPCM8XX_CLK_SWRSTC1B,
+ NPCM8XX_CLK_SWRSTC2B,
+ NPCM8XX_CLK_SWRSTC3B,
+ NPCM8XX_CLK_TIPRSTCB,
+ NPCM8XX_CLK_CORSTCB,
+ NPCM8XX_CLK_IPSRSTDIS1,
+ NPCM8XX_CLK_IPSRSTDIS2,
+ NPCM8XX_CLK_IPSRSTDIS3,
+ NPCM8XX_CLK_IPSRSTDIS4,
+ NPCM8XX_CLK_CLKENDIS1,
+ NPCM8XX_CLK_CLKENDIS2,
+ NPCM8XX_CLK_CLKENDIS3,
+ NPCM8XX_CLK_CLKENDIS4,
+ NPCM8XX_CLK_THRTL_CNT,
};
/*
@@ -103,6 +153,46 @@ static const uint32_t npcm7xx_cold_reset_values[NPCM7XX_CLK_NR_REGS] = {
[NPCM7XX_CLK_AHBCKFI] = 0x000000c8,
};
+/*
+ * These reset values were taken from version 0.92 of the NPCM8xx data sheet.
+ */
+static const uint32_t npcm8xx_cold_reset_values[NPCM8XX_CLK_NR_REGS] = {
+ [NPCM8XX_CLK_CLKEN1] = 0xffffffff,
+ [NPCM8XX_CLK_CLKSEL] = 0x154aaaaa,
+ [NPCM8XX_CLK_CLKDIV1] = 0x5413f855,
+ [NPCM8XX_CLK_PLLCON0] = 0x00222101 | PLLCON_LOKI,
+ [NPCM8XX_CLK_PLLCON1] = 0x00202101 | PLLCON_LOKI,
+ [NPCM8XX_CLK_IPSRST1] = 0x00001000,
+ [NPCM8XX_CLK_IPSRST2] = 0x80000000,
+ [NPCM8XX_CLK_CLKEN2] = 0xffffffff,
+ [NPCM8XX_CLK_CLKDIV2] = 0xaa4f8f9f,
+ [NPCM8XX_CLK_CLKEN3] = 0xffffffff,
+ [NPCM8XX_CLK_IPSRST3] = 0x03000000,
+ [NPCM8XX_CLK_WD0RCR] = 0xffffffff,
+ [NPCM8XX_CLK_WD1RCR] = 0xffffffff,
+ [NPCM8XX_CLK_WD2RCR] = 0xffffffff,
+ [NPCM8XX_CLK_SWRSTC1] = 0x00000003,
+ [NPCM8XX_CLK_SWRSTC2] = 0x00000001,
+ [NPCM8XX_CLK_SWRSTC3] = 0x00000001,
+ [NPCM8XX_CLK_TIPRSTC] = 0x00000001,
+ [NPCM8XX_CLK_PLLCON2] = 0x00c02105 | PLLCON_LOKI,
+ [NPCM8XX_CLK_CLKDIV3] = 0x00009100,
+ [NPCM8XX_CLK_CORSTC] = 0x04000003,
+ [NPCM8XX_CLK_PLLCONG] = 0x01228606 | PLLCON_LOKI,
+ [NPCM8XX_CLK_AHBCKFI] = 0x000000c8,
+ [NPCM8XX_CLK_CLKEN4] = 0xffffffff,
+ [NPCM8XX_CLK_CLKDIV4] = 0x70009000,
+ [NPCM8XX_CLK_IPSRST4] = 0x02000000,
+ [NPCM8XX_CLK_WD0RCRB] = 0xfffffe71,
+ [NPCM8XX_CLK_WD1RCRB] = 0xfffffe71,
+ [NPCM8XX_CLK_WD2RCRB] = 0xfffffe71,
+ [NPCM8XX_CLK_SWRSTC1B] = 0xfffffe71,
+ [NPCM8XX_CLK_SWRSTC2B] = 0xfffffe71,
+ [NPCM8XX_CLK_SWRSTC3B] = 0xfffffe71,
+ [NPCM8XX_CLK_TIPRSTCB] = 0xfffffe71,
+ [NPCM8XX_CLK_CORSTCB] = 0xfffffe71,
+};
+
/* The number of watchdogs that can trigger a reset. */
#define NPCM7XX_NR_WATCHDOGS (3)
@@ -1000,8 +1090,8 @@ static const VMStateDescription vmstate_npcm7xx_clk_divider = {
static const VMStateDescription vmstate_npcm_clk = {
.name = "npcm-clk",
- .version_id = 2,
- .minimum_version_id = 2,
+ .version_id = 3,
+ .minimum_version_id = 3,
.post_load = npcm_clk_post_load,
.fields = (const VMStateField[]) {
VMSTATE_UINT32_ARRAY(regs, NPCMCLKState, NPCM_CLK_MAX_NR_REGS),
@@ -1050,13 +1140,21 @@ static void npcm7xx_clk_class_init(ObjectClass *klass, void *data)
NPCMCLKClass *c = NPCM_CLK_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
- QEMU_BUILD_BUG_ON(NPCM7XX_CLK_REGS_END > NPCM_CLK_MAX_NR_REGS);
- QEMU_BUILD_BUG_ON(NPCM7XX_CLK_REGS_END != NPCM7XX_CLK_NR_REGS);
dc->desc = "NPCM7xx Clock Control Registers";
c->nr_regs = NPCM7XX_CLK_NR_REGS;
c->cold_reset_values = npcm7xx_cold_reset_values;
}
+static void npcm8xx_clk_class_init(ObjectClass *klass, void *data)
+{
+ NPCMCLKClass *c = NPCM_CLK_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->desc = "NPCM8xx Clock Control Registers";
+ c->nr_regs = NPCM8XX_CLK_NR_REGS;
+ c->cold_reset_values = npcm8xx_cold_reset_values;
+}
+
static const TypeInfo npcm7xx_clk_pll_info = {
.name = TYPE_NPCM7XX_CLOCK_PLL,
.parent = TYPE_DEVICE,
@@ -1097,6 +1195,12 @@ static const TypeInfo npcm7xx_clk_info = {
.class_init = npcm7xx_clk_class_init,
};
+static const TypeInfo npcm8xx_clk_info = {
+ .name = TYPE_NPCM8XX_CLK,
+ .parent = TYPE_NPCM_CLK,
+ .class_init = npcm8xx_clk_class_init,
+};
+
static void npcm7xx_clk_register_type(void)
{
type_register_static(&npcm7xx_clk_pll_info);
@@ -1104,5 +1208,6 @@ static void npcm7xx_clk_register_type(void)
type_register_static(&npcm7xx_clk_divider_info);
type_register_static(&npcm_clk_info);
type_register_static(&npcm7xx_clk_info);
+ type_register_static(&npcm8xx_clk_info);
}
type_init(npcm7xx_clk_register_type);
diff --git a/include/hw/misc/npcm_clk.h b/include/hw/misc/npcm_clk.h
index f47614a..8fa1e14 100644
--- a/include/hw/misc/npcm_clk.h
+++ b/include/hw/misc/npcm_clk.h
@@ -1,5 +1,5 @@
/*
- * Nuvoton NPCM7xx Clock Control Registers.
+ * Nuvoton NPCM7xx/8xx Clock Control Registers.
*
* Copyright 2020 Google LLC
*
@@ -21,11 +21,12 @@
#include "hw/sysbus.h"
#define NPCM7XX_CLK_NR_REGS (0x70 / sizeof(uint32_t))
+#define NPCM8XX_CLK_NR_REGS (0xc4 / sizeof(uint32_t))
/*
* Number of maximum registers in NPCM device state structure. Don't change
* this without incrementing the version_id in the vmstate.
*/
-#define NPCM_CLK_MAX_NR_REGS NPCM7XX_CLK_NR_REGS
+#define NPCM_CLK_MAX_NR_REGS NPCM8XX_CLK_NR_REGS
#define NPCM7XX_WATCHDOG_RESET_GPIO_IN "npcm7xx-clk-watchdog-reset-gpio-in"
@@ -162,6 +163,10 @@ struct NPCMCLKState {
MemoryRegion iomem;
/* Clock converters */
+ /*
+ * TODO: Implement unique clock converters for NPCM8xx.
+ * NPCM8xx adds a few more clock outputs.
+ */
NPCM7xxClockPLLState plls[NPCM7XX_CLOCK_NR_PLLS];
NPCM7xxClockSELState sels[NPCM7XX_CLOCK_NR_SELS];
NPCM7xxClockDividerState dividers[NPCM7XX_CLOCK_NR_DIVIDERS];
@@ -185,5 +190,6 @@ typedef struct NPCMCLKClass {
#define TYPE_NPCM_CLK "npcm-clk"
OBJECT_DECLARE_TYPE(NPCMCLKState, NPCMCLKClass, NPCM_CLK)
#define TYPE_NPCM7XX_CLK "npcm7xx-clk"
+#define TYPE_NPCM8XX_CLK "npcm8xx-clk"
#endif /* NPCM_CLK_H */
generated by cgit v1.1 at 2025-03-19 13:26:21 +0000