Signed-off-by: Simon Law <[email protected]> --- MAINTAINERS | 3 + hw/misc/Kconfig | 3 + hw/misc/k230_cmu.c | 903 +++++++++++++++++++++++++++++++++++++++++++++ hw/misc/meson.build | 1 + hw/misc/trace-events | 9 + hw/riscv/Kconfig | 1 + include/hw/misc/k230_cmu.h | 58 +++ 7 files changed, 978 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS index 6171cc7494..2666e4d56a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1825,9 +1825,12 @@ L: [email protected] S: Maintained F: docs/system/riscv/k230.rst F: hw/riscv/k230.c +F: hw/misc/k230_cmu.c F: hw/watchdog/k230_wdt.c +F: include/hw/misc/k230_cmu.h F: include/hw/riscv/k230.h F: include/hw/watchdog/k230_wdt.h +F: tests/qtest/k230-cmu-test.c F: tests/qtest/k230-wdt-test.c RX Machines diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index 1543ee6653..58a0421e84 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -101,6 +101,9 @@ config FSL_IMX8MP_ANALOG config FSL_IMX8MP_CCM bool +config K230_CMU + bool + config STM32_RCC bool diff --git a/hw/misc/k230_cmu.c b/hw/misc/k230_cmu.c new file mode 100644 index 0000000000..bbf01dd925 --- /dev/null +++ b/hw/misc/k230_cmu.c @@ -0,0 +1,903 @@ +/* + * Kendryte K230 Clock Management Unit + * + * Copyright (c) 2026 Simon Law <[email protected]> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * Emulates the K230 PLL and system-clock register protocol. It models + * software-visible reset values, masks, write strobes, and PLL lock state, + * but does not provide cycle-accurate clocks or propagate QEMU Clock signals. + * + * K230 Technical Reference Manual V0.3.1 (2024-11-18): + * https://github.com/revyos/external-docs/blob/master/K230/en-us/K230_Technical_Reference_Manual_V0.3.1_20241118.pdf + * + * For more information, see <https://www.kendryte.com/en/proDetail/230> + */ + +#include "qemu/osdep.h" +#include "hw/core/sysbus.h" +#include "hw/core/registerfields.h" +#include "migration/vmstate.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "qom/object.h" + +#include "hw/misc/k230_cmu.h" +#include "trace.h" + +REG32(CMU_CFG0, 0x00) + FIELD(CMU_CFG0, PLL_OUT_DIV, 24, 4) + FIELD(CMU_CFG0, PLL_REF_DIV, 16, 6) + FIELD(CMU_CFG0, PLL_FB_DIV, 0, 13) + +REG32(CMU_CFG1, 0x04) + FIELD(CMU_CFG1, PLL_BYPASS, 19, 1) + FIELD(CMU_CFG1, PLL_TEST, 18, 1) + FIELD(CMU_CFG1, PLL_ENSAT, 17, 1) + FIELD(CMU_CFG1, PLL_FASTEN, 16, 1) + FIELD(CMU_CFG1, PLL_BWADJ, 0, 12) + +REG32(CMU_CTL, 0x08) + FIELD(CMU_CTL, PLL_LOCK_TIM, 4, 8) + FIELD(CMU_CTL, PLL_CLK_OE, 2, 1) + FIELD(CMU_CTL, PLL_INIT, 1, 1) + FIELD(CMU_CTL, PLL_PWRDWN, 0, 1) + +REG32(CMU_STAT, 0x0c) + FIELD(CMU_STAT, PLL_FSM_STAT, 4, 2) + FIELD(CMU_STAT, PLL_RESERVED, 3, 1) + FIELD(CMU_STAT, PLL_FB_SLIP, 2, 1) + FIELD(CMU_STAT, PLL_REF_SLIP, 1, 1) + FIELD(CMU_STAT, PLL_LOCK, 0, 1) + +#define PLL_CFG0_RW_MASK (R_CMU_CFG0_PLL_OUT_DIV_MASK | \ + R_CMU_CFG0_PLL_REF_DIV_MASK | \ + R_CMU_CFG0_PLL_FB_DIV_MASK) +#define PLL_CFG1_RW_MASK (R_CMU_CFG1_PLL_BYPASS_MASK | \ + R_CMU_CFG1_PLL_TEST_MASK | \ + R_CMU_CFG1_PLL_ENSAT_MASK | \ + R_CMU_CFG1_PLL_FASTEN_MASK | \ + R_CMU_CFG1_PLL_BWADJ_MASK) +#define PLL_CTL_RW_MASK (R_CMU_CTL_PLL_LOCK_TIM_MASK | \ + R_CMU_CTL_PLL_CLK_OE_MASK) +#define PLL_CTL_W1T_MASK (R_CMU_CTL_PLL_INIT_MASK | \ + R_CMU_CTL_PLL_PWRDWN_MASK) +#define PLL_CTL_LOW_MASK (PLL_CTL_RW_MASK | PLL_CTL_W1T_MASK) +#define PLL_STAT_RO_MASK (R_CMU_STAT_PLL_FSM_STAT_MASK | \ + R_CMU_STAT_PLL_RESERVED_MASK | \ + R_CMU_STAT_PLL_FB_SLIP_MASK | \ + R_CMU_STAT_PLL_REF_SLIP_MASK | \ + R_CMU_STAT_PLL_LOCK_MASK) + +REG32(SYSCLK_CPU0_CLK_CFG, 0x000) + FIELD(SYSCLK_CPU0_CLK_CFG, CORE_CLK_ROOT_GDIV_UPD, 31, 1) + FIELD(SYSCLK_CPU0_CLK_CFG, PCLK_DIV, 15, 3) + FIELD(SYSCLK_CPU0_CLK_CFG, TDI_PCLK_EN, 14, 1) + /* FIXME: SDK get_leaf_en() reads bit 7 for this gate; */ + /* TRM says bit 13. */ + FIELD(SYSCLK_CPU0_CLK_CFG, PCLK_ENABLE, 13, 1) + FIELD(SYSCLK_CPU0_CLK_CFG, PLICLK_DIV, 10, 3) + FIELD(SYSCLK_CPU0_CLK_CFG, PLICLK_ENABLE, 9, 1) + FIELD(SYSCLK_CPU0_CLK_CFG, ACLK_DIV, 6, 3) + FIELD(SYSCLK_CPU0_CLK_CFG, CORE_CLK_ROOT_DIV, 1, 4) + FIELD(SYSCLK_CPU0_CLK_CFG, CORE_CLK_ENABLE, 0, 1) +REG32(SYSCLK_CPU1_CLK_CFG, 0x004) + FIELD(SYSCLK_CPU1_CLK_CFG, CORE_CLK_DIV_UPD, 31, 1) + FIELD(SYSCLK_CPU1_CLK_CFG, PCLK_ENABLE, 19, 1) + FIELD(SYSCLK_CPU1_CLK_CFG, PLICLK_DIV, 16, 3) + FIELD(SYSCLK_CPU1_CLK_CFG, PLICLK_ENABLE, 15, 1) + FIELD(SYSCLK_CPU1_CLK_CFG, ACLK_DIV, 12, 3) + FIELD(SYSCLK_CPU1_CLK_CFG, CORE_CLK_ROOT_DIV, 3, 3) + FIELD(SYSCLK_CPU1_CLK_CFG, CORE_CLK_SEL, 1, 2) + FIELD(SYSCLK_CPU1_CLK_CFG, CORE_CLK_ENABLE, 0, 1) +REG32(SYSCLK_AI_CLK_CFG, 0x008) + FIELD(SYSCLK_AI_CLK_CFG, CLK_DIV_UPD, 31, 1) + FIELD(SYSCLK_AI_CLK_CFG, ACLK_ENABLE, 10, 1) + FIELD(SYSCLK_AI_CLK_CFG, CLK_CDIV, 3, 3) + FIELD(SYSCLK_AI_CLK_CFG, CLK_SEL, 2, 1) + FIELD(SYSCLK_AI_CLK_CFG, CLK_ENABLE, 0, 1) +REG32(SYSCLK_VPU_CLK_CFG, 0x00c) + FIELD(SYSCLK_VPU_CLK_CFG, CLK_GDIV_UPD, 31, 1) + FIELD(SYSCLK_VPU_CLK_CFG, CFGCLK_ROOT_DIV, 11, 4) + FIELD(SYSCLK_VPU_CLK_CFG, CFGCLK_ENABLE, 10, 1) + FIELD(SYSCLK_VPU_CLK_CFG, ACLK_ROOT_DIV, 6, 4) + FIELD(SYSCLK_VPU_CLK_CFG, ACLK_ENABLE, 5, 1) + FIELD(SYSCLK_VPU_CLK_CFG, CLK_DIV, 1, 4) + FIELD(SYSCLK_VPU_CLK_CFG, CLK_EN, 0, 1) +REG32(SYSCLK_PMU_CLK_CFG, 0x010) + FIELD(SYSCLK_PMU_CLK_CFG, CLK_EN, 0, 1) +REG32(SYSCLK_HS_CLKEN_CFG, 0x018) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI2_ACLK_ENABLE, 30, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI1_ACLK_ENABLE, 29, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, QSPI_ACLK_ENABLE, 28, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI0_ACLK_ENABLE, 27, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI2_CLK_ENABLE, 26, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI1_CLK_ENABLE, 25, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI0_CLK_ENABLE, 24, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, USB_REFCLK_SEL, 23, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, USB1_REFCLK_ENABLE, 22, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, USB0_REFCLK_ENABLE, 21, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD1_TMCLK_ENABLE, 20, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD1_CCLK_ENABLE, 19, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD1_BCLK_ENABLE, 18, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD1_ACLK_ENABLE, 17, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD0_TMCLK_ENABLE, 16, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD0_CCLK_ENABLE, 15, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD0_BCLK_ENABLE, 14, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD0_ACLK_ENABLE, 13, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD_TMCLK_ENABLE, 12, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD_CCLK_ENABLE, 11, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD_BCLK_ENABLE, 10, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD_ACLK_ENABLE, 9, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI2_HCLK_ENABLE, 8, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI1_HCLK_ENABLE, 7, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SSI0_HCLK_ENABLE, 6, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, USB1_HCLK_ENABLE, 5, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, USB0_HCLK_ENABLE, 4, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD1_HCLK_ENABLE, 3, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, SD0_HCLK_ENABLE, 2, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, HCLK_HIGH_ENABLE, 1, 1) + FIELD(SYSCLK_HS_CLKEN_CFG, HCLK_ENABLE, 0, 1) +REG32(SYSCLK_HS_SDCLK_CFG, 0x01c) + FIELD(SYSCLK_HS_SDCLK_CFG, ACLK_ROOT_CDIV_UPD, 31, 1) + FIELD(SYSCLK_HS_SDCLK_CFG, TMCLK_DIV, 15, 5) + /* FIXME: SDK get_leaf_rate() uses ACLK_ROOT_DIV for SD CCLK, */ + /* not bits 14:12. */ + FIELD(SYSCLK_HS_SDCLK_CFG, CCLK_DIV, 12, 3) + FIELD(SYSCLK_HS_SDCLK_CFG, BCLK_DIV, 9, 3) + FIELD(SYSCLK_HS_SDCLK_CFG, ACLK_ROOT_DIV, 6, 3) + FIELD(SYSCLK_HS_SDCLK_CFG, HCLK_DIV, 3, 3) + FIELD(SYSCLK_HS_SDCLK_CFG, HCLK_HIGH_ROOT_DIV, 0, 3) +REG32(SYSCLK_HS_SPI_CFG, 0x020) + FIELD(SYSCLK_HS_SPI_CFG, SSI0_ACLK_ROOT_CDIV_UPD, 31, 1) + FIELD(SYSCLK_HS_SPI_CFG, SSI0_CLK_SEL, 18, 1) + FIELD(SYSCLK_HS_SPI_CFG, USB_REFCLK_50M_DIV, 15, 3) + FIELD(SYSCLK_HS_SPI_CFG, QSPI_ACLK_ROOT_DIV, 12, 3) + FIELD(SYSCLK_HS_SPI_CFG, SSI0_ACLK_DIV, 9, 3) + FIELD(SYSCLK_HS_SPI_CFG, SSI2_CLK_DIV, 6, 3) + FIELD(SYSCLK_HS_SPI_CFG, SSI1_CLK_DIV, 3, 3) +REG32(SYSCLK_LS_CLKEN_CFG0, 0x024) + FIELD(SYSCLK_LS_CLKEN_CFG0, PDM_CLK_ENABLE, 31, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, CODEC_MCLK_DAC_ENABLE, 30, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, CODEC_MCLK_ADC_ENABLE, 29, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, AUD_DEV_CLK_ENABLE, 28, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, GPIO_DBCLK_ENABLE, 27, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, ADC_CLK_ENABLE, 26, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C4_CLK_ENABLE, 25, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C3_CLK_ENABLE, 24, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C2_CLK_ENABLE, 23, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C1_CLK_ENABLE, 22, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C0_CLK_ENABLE, 21, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART4_CLK_ENABLE, 20, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART3_CLK_ENABLE, 19, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART2_CLK_ENABLE, 18, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART1_CLK_ENABLE, 17, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART0_CLK_ENABLE, 16, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, ADC_PCLK_ENABLE, 15, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, CODEC_PCLK_ENABLE, 14, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, AUD_DEV_PCLK_ENABLE, 13, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, PWM_PCLK_ENABLE, 12, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, GPIO_PCLK_ENABLE, 11, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C4_PCLK_ENABLE, 10, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C3_PCLK_ENABLE, 9, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C2_PCLK_ENABLE, 8, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C1_PCLK_ENABLE, 7, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, I2C0_PCLK_ENABLE, 6, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART4_PCLK_ENABLE, 5, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART3_PCLK_ENABLE, 4, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART2_PCLK_ENABLE, 3, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART1_PCLK_ENABLE, 2, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, UART0_PCLK_ENABLE, 1, 1) + FIELD(SYSCLK_LS_CLKEN_CFG0, PCLK_ENABLE, 0, 1) +REG32(SYSCLK_LS_CLKEN_CFG1, 0x028) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK3_PCLK_ENABLE, 7, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK2_PCLK_ENABLE, 6, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK1_PCLK_ENABLE, 5, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK0_PCLK_ENABLE, 4, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK3_CO_ENABLE, 3, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK2_CO_ENABLE, 2, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK1_CO_ENABLE, 1, 1) + FIELD(SYSCLK_LS_CLKEN_CFG1, JAMLINK0_CO_ENABLE, 0, 1) +REG32(SYSCLK_UART_I2C_CLKDIV_CFG, 0x02c) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C0_CLK_CDIV_UPD, 31, 1) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C4_CLK_DIV, 27, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C3_CLK_DIV, 24, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C2_CLK_DIV, 21, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C1_CLK_DIV, 18, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, I2C0_CLK_DIV, 15, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, UART4_SCLK_DIV, 12, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, UART3_SCLK_DIV, 9, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, UART2_SCLK_DIV, 6, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, UART1_SCLK_DIV, 3, 3) + FIELD(SYSCLK_UART_I2C_CLKDIV_CFG, UART0_SCLK_DIV, 0, 3) +REG32(SYSCLK_LS_CLKDIV_CFG, 0x030) + FIELD(SYSCLK_LS_CLKDIV_CFG, JAMLINK_CO_CDIV_UPD, 31, 1) + FIELD(SYSCLK_LS_CLKDIV_CFG, JAMLINK_CO_DIV, 23, 8) + FIELD(SYSCLK_LS_CLKDIV_CFG, GPIO_DBCLK_DIV, 13, 10) + FIELD(SYSCLK_LS_CLKDIV_CFG, ADC_CLK_DIV, 3, 10) + FIELD(SYSCLK_LS_CLKDIV_CFG, PCLK_DIV, 0, 3) +/* + * SDK sysctl_clk_t marks offsets 0x034..0x044 reserved; the TRM defines + * these registers, so the TRM layout is authoritative for the v1 model. + */ +REG32(SYSCLK_AUDIO_CLKDIV_CFG, 0x034) + FIELD(SYSCLK_AUDIO_CLKDIV_CFG, AUD_DEV_CLK_FDIV_UPD, 31, 1) + FIELD(SYSCLK_AUDIO_CLKDIV_CFG, AUDIO_CLK_STEP, 16, 15) + FIELD(SYSCLK_AUDIO_CLKDIV_CFG, AUDIO_CLK_SUM, 0, 16) +REG32(SYSCLK_CODEC_ADC_MCLKDIV_CFG, 0x038) + FIELD(SYSCLK_CODEC_ADC_MCLKDIV_CFG, MCLK_ADC_FDIV_UPD, 31, 1) + FIELD(SYSCLK_CODEC_ADC_MCLKDIV_CFG, MCLK_ADC_STEP, 14, 13) + FIELD(SYSCLK_CODEC_ADC_MCLKDIV_CFG, MCLK_ADC_SUM, 0, 14) +REG32(SYSCLK_CODEC_DAC_MCLKDIV_CFG, 0x03c) + FIELD(SYSCLK_CODEC_DAC_MCLKDIV_CFG, MCLK_DAC_FDIV_UPD, 31, 1) + FIELD(SYSCLK_CODEC_DAC_MCLKDIV_CFG, MCLK_DAC_STEP, 14, 13) + FIELD(SYSCLK_CODEC_DAC_MCLKDIV_CFG, MCLK_DAC_SUM, 0, 14) +REG32(SYSCLK_PDM_CLKDIV_CFG0, 0x040) + FIELD(SYSCLK_PDM_CLKDIV_CFG0, CLK_SUM, 0, 17) +REG32(SYSCLK_PDM_CLKDIV_CFG1, 0x044) + FIELD(SYSCLK_PDM_CLKDIV_CFG1, CLK_FDIV_UPD, 31, 1) + FIELD(SYSCLK_PDM_CLKDIV_CFG1, CLK_STEP, 0, 16) +REG32(SYSCLK_SYSCTL_CLKEN_CFG, 0x050) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, HDI_CLK_ENABLE, 21, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, IOMUX_PCLK_ENABLE, 20, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, STC_CLK_EN, 19, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER5_CLK_ENABLE, 18, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER4_CLK_ENABLE, 17, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER3_CLK_ENABLE, 16, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER2_CLK_ENABLE, 15, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER1_CLK_ENABLE, 14, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER0_CLK_ENABLE, 13, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER5_CLK_SEL, 12, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER4_CLK_SEL, 11, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER3_CLK_SEL, 10, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER2_CLK_SEL, 9, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER1_CLK_SEL, 8, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER0_CLK_SEL, 7, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, WDT1_CLK_ENABLE, 6, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, WDT0_CLK_ENABLE, 5, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, MAILBOX_PCLK_ENABLE, 4, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, TIMER_PCLK_ENABLE, 3, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, WDT1_PCLK_ENABLE, 2, 1) + FIELD(SYSCLK_SYSCTL_CLKEN_CFG, WDT0_PCLK_ENABLE, 1, 1) +REG32(SYSCLK_TIMER_CLK_CFG, 0x054) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK0_CDIV_UPD, 31, 1) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK5_DIV, 15, 3) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK4_DIV, 12, 3) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK3_DIV, 9, 3) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK2_DIV, 6, 3) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK1_DIV, 3, 3) + FIELD(SYSCLK_TIMER_CLK_CFG, CLK0_DIV, 0, 3) +REG32(SYSCLK_SYSCTL_CLK_DIV_CFG, 0x058) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, PCLK_CDIV_UPD, 31, 1) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, HDI_CLK_DIV, 28, 3) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, TS_CLK_DIV, 20, 8) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, STC_CLK_DIV, 15, 5) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, WDT1_CLK_DIV, 9, 6) + FIELD(SYSCLK_SYSCTL_CLK_DIV_CFG, WDT0_CLK_DIV, 3, 6) +REG32(SYSCLK_SHRM_CLK_CFG, 0x05c) + FIELD(SYSCLK_SHRM_CLK_CFG, PCLK_ROOT_DIV_UPD, 31, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, PCLK_ROOT_DIV, 18, 3) + FIELD(SYSCLK_SHRM_CLK_CFG, SRAM_CLK_SEL, 14, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, AXIM_BRIDGE_CLK_EN, 13, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, AXIM_CLK_EN, 12, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, AXIS_CLK_EN, 11, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, SRAM_ACLK_ENABLE, 10, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, NONAI2D_ACLK_ENABLE, 9, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, NONAI2D_PCLK_ENABLE, 8, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, DECOMPRESS_ACLK_ENABLE, 7, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, DECOMPRESS_PCLK_ENABLE, 6, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, GSDMA_ACLK_ENABLE, 5, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, GSDMA_PCLK_ENABLE, 4, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, PERI_DMA_ACLK_ENABLE, 3, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, PERI_DMA_PCLK_ENABLE, 2, 1) + FIELD(SYSCLK_SHRM_CLK_CFG, PCLK_ENABLE, 0, 1) +REG32(SYSCLK_DDR_CLK_CFG, 0x060) + FIELD(SYSCLK_DDR_CLK_CFG, CORE_CLK_CDIV_UPD, 31, 1) + FIELD(SYSCLK_DDR_CLK_CFG, PCLK_DIV, 14, 4) + FIELD(SYSCLK_DDR_CLK_CFG, CORE_CLK_DIV, 10, 4) + FIELD(SYSCLK_DDR_CLK_CFG, PCLK_ENABLE, 9, 1) + FIELD(SYSCLK_DDR_CLK_CFG, BYPASSPCLK_ENABLE, 8, 1) + FIELD(SYSCLK_DDR_CLK_CFG, AXI4CLK_ENABLE, 7, 1) + FIELD(SYSCLK_DDR_CLK_CFG, AXI3CLK_ENABLE, 6, 1) + FIELD(SYSCLK_DDR_CLK_CFG, AXI2CLK_ENABLE, 5, 1) + FIELD(SYSCLK_DDR_CLK_CFG, AXI1CLK_ENABLE, 4, 1) + FIELD(SYSCLK_DDR_CLK_CFG, AXI0CLK_ENABLE, 3, 1) + FIELD(SYSCLK_DDR_CLK_CFG, CLK_ENABLE, 2, 1) + FIELD(SYSCLK_DDR_CLK_CFG, CLK_SEL, 0, 2) +/* + * SDK sysctl_clk_t marks offsets 0x064..0x078 reserved; the TRM defines + * these registers, so the TRM layout is authoritative for the v1 model. + */ +REG32(SYSCLK_ISP_CLKEN_CFG, 0x064) + FIELD(SYSCLK_ISP_CLKEN_CFG, DW_ACLK_ENABLE, 19, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, DW_HCLK_ENABLE, 18, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, MCM_CLK_ENABLE, 17, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, VSE_CLK_ENABLE, 16, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, DWE_CLK_ENABLE, 15, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, ACLK_ENABLE, 14, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, HCLK_ENABLE, 13, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CLK_ENABLE, 12, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI2_PCLK_ENABLE, 11, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI1_PCLK_ENABLE, 10, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI0_PCLK_ENABLE, 9, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI2_PIXELCLK_ENABLE, 8, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI1_PIXELCLK_ENABLE, 7, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSI0_PIXELCLK_ENABLE, 6, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, DPHY_PCLK_ENABLE, 5, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CFG2_CLK_ENABLE, 4, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CFG1_CLK_ENABLE, 3, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CFG0_CLK_ENABLE, 2, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, PCLK_ENABLE, 1, 1) + FIELD(SYSCLK_ISP_CLKEN_CFG, CSIPHY_CFGCLK_ENABLE, 0, 1) +REG32(SYSCLK_ISP_CLKDIV_CFG, 0x068) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CFG_CLK_CDIV_UPD, 31, 1) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CLK_SEL, 29, 1) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CLK_DIV, 26, 3) + FIELD(SYSCLK_ISP_CLKDIV_CFG, PCLK_DIV, 23, 3) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CSI2_PIXEL_CLK_DIV, 17, 6) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CSI1_PIXEL_CLK_DIV, 11, 6) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CSI0_PIXEL_CLK_DIV, 5, 6) + FIELD(SYSCLK_ISP_CLKDIV_CFG, CFG_CLK_DIV, 0, 5) +REG32(SYSCLK_MCLK_CFG, 0x06c) + FIELD(SYSCLK_MCLK_CFG, MCLK0_CDIV_UPD, 31, 1) + FIELD(SYSCLK_MCLK_CFG, MCLK2_DIV, 19, 5) + FIELD(SYSCLK_MCLK_CFG, MCLK2_SEL, 17, 2) + FIELD(SYSCLK_MCLK_CFG, MCLK1_DIV, 12, 5) + FIELD(SYSCLK_MCLK_CFG, MCLK1_SEL, 10, 2) + FIELD(SYSCLK_MCLK_CFG, MCLK0_DIV, 5, 5) + FIELD(SYSCLK_MCLK_CFG, MCLK0_SEL, 3, 2) + FIELD(SYSCLK_MCLK_CFG, MCLK2_ENABLE, 2, 1) + FIELD(SYSCLK_MCLK_CFG, MCLK1_ENABLE, 1, 1) + FIELD(SYSCLK_MCLK_CFG, MCLK0_ENABLE, 0, 1) +REG32(SYSCLK_DPU_CLK_CFG, 0x070) + FIELD(SYSCLK_DPU_CLK_CFG, CLK_DIV_UPD, 31, 1) + FIELD(SYSCLK_DPU_CLK_CFG, PCLK_DIV, 7, 3) + FIELD(SYSCLK_DPU_CLK_CFG, CLK_DIV, 3, 4) + FIELD(SYSCLK_DPU_CLK_CFG, PCLK_ENABLE, 2, 1) + FIELD(SYSCLK_DPU_CLK_CFG, ACLK_ENABLE, 1, 1) + FIELD(SYSCLK_DPU_CLK_CFG, CLK_ENABLE, 0, 1) +REG32(SYSCLK_VO_CLK_CFG, 0x074) + FIELD(SYSCLK_VO_CLK_CFG, ACLK_GPU_EN, 12, 1) + FIELD(SYSCLK_VO_CLK_CFG, ACLK_VO_EN, 11, 1) + FIELD(SYSCLK_VO_CLK_CFG, HCLK_GPU_EN, 10, 1) + FIELD(SYSCLK_VO_CLK_CFG, PCLK_DSI_PHY_EN, 9, 1) + FIELD(SYSCLK_VO_CLK_CFG, PCLK_DSI_ENABLE, 8, 1) + FIELD(SYSCLK_VO_CLK_CFG, PCLK_VO_ENABLE, 7, 1) + FIELD(SYSCLK_VO_CLK_CFG, CLK_GPU_ENABLE, 6, 1) + FIELD(SYSCLK_VO_CLK_CFG, CLKEXT_ENABLE, 5, 1) + FIELD(SYSCLK_VO_CLK_CFG, CFGCLK_ENABLE, 4, 1) + FIELD(SYSCLK_VO_CLK_CFG, REFCLK_ENABLE, 3, 1) + FIELD(SYSCLK_VO_CLK_CFG, DPIPCLK_ENABLE, 2, 1) + FIELD(SYSCLK_VO_CLK_CFG, ACLK_ENABLE, 1, 1) + FIELD(SYSCLK_VO_CLK_CFG, HCLK_ENABLE, 0, 1) +REG32(SYSCLK_DISP_CLK_DIV, 0x078) + FIELD(SYSCLK_DISP_CLK_DIV, HCLK_ROOT_CDIV_UPD, 31, 1) + FIELD(SYSCLK_DISP_CLK_DIV, CLK_GPU_DIV, 20, 4) + FIELD(SYSCLK_DISP_CLK_DIV, CLKEXT_DIV, 16, 4) + FIELD(SYSCLK_DISP_CLK_DIV, CFGCLK_DIV, 11, 5) + FIELD(SYSCLK_DISP_CLK_DIV, DPIPCLK_DIV, 3, 8) + FIELD(SYSCLK_DISP_CLK_DIV, HCLK_ROOT_DIV, 0, 3) +REG32(SYSCLK_SEC_CLK_DIV, 0x080) + FIELD(SYSCLK_SEC_CLK_DIV, PCLK_DIV_UPD, 31, 1) + FIELD(SYSCLK_SEC_CLK_DIV, ACLK_DIV, 11, 3) + FIELD(SYSCLK_SEC_CLK_DIV, FIXCLK_DIV, 6, 5) + FIELD(SYSCLK_SEC_CLK_DIV, FIXCLK_ENABLE, 5, 1) + FIELD(SYSCLK_SEC_CLK_DIV, ACLK_ENABLE, 4, 1) + FIELD(SYSCLK_SEC_CLK_DIV, PCLK_DIV, 1, 3) + FIELD(SYSCLK_SEC_CLK_DIV, PCLK_ENABLE, 0, 1) +REG32(SYSCLK_USB_TEST_CLK_DIV, 0x100) + FIELD(SYSCLK_USB_TEST_CLK_DIV, CLK480_CDIV_UPD, 31, 1) + FIELD(SYSCLK_USB_TEST_CLK_DIV, CLK100_DIV, 4, 3) + FIELD(SYSCLK_USB_TEST_CLK_DIV, CLK480_DIV, 1, 3) + FIELD(SYSCLK_USB_TEST_CLK_DIV, TEST_CLK_ENABLE, 0, 1) +REG32(SYSCLK_DPHY_TEST_CLK_DIV, 0x104) + FIELD(SYSCLK_DPHY_TEST_CLK_DIV, TEST_CLK_CDIV_UPD, 31, 1) + FIELD(SYSCLK_DPHY_TEST_CLK_DIV, TEST_CLK_DIV, 1, 4) + FIELD(SYSCLK_DPHY_TEST_CLK_DIV, TEST_CLK_ENABLE, 0, 1) +/* + * The TRM v0.3.1 sysclk summary ends at 0x104. Linux and the SDK both + * access SPI2AXI_CLK_DIV at 0x108, so v1 preserves this software ABI + * exception. + */ +REG32(SYSCLK_SPI2AXI_CLK_DIV, 0x108) + FIELD(SYSCLK_SPI2AXI_CLK_DIV, CLK_DIV_UPD, 31, 1) + FIELD(SYSCLK_SPI2AXI_CLK_DIV, CLK_DIV, 1, 3) + FIELD(SYSCLK_SPI2AXI_CLK_DIV, CLK_ENABLE, 0, 1) + +typedef struct K230PllRegDesc { + hwaddr offset; + const char *name; + uint32_t reset[K230_PLL_COUNT]; + uint32_t rw_mask; + uint32_t ro_mask; + uint32_t w1t_mask; + uint8_t write_enable_shift; + uint32_t write_enable_mask; +} K230PllRegDesc; + +typedef struct K230SysclkRegDesc { + hwaddr offset; + const char *name; + uint32_t reset; + uint32_t rw_mask; + uint32_t w1t_mask; +} K230SysclkRegDesc; + +static const K230PllRegDesc k230_pll_regs[] = { + { + .offset = A_CMU_CFG0, + .name = "PLLx_CFG0", + .reset = { + 0x0102018f, 0x00000062, 0x00070378, 0x0102018f, + }, + .rw_mask = PLL_CFG0_RW_MASK, + }, + { + .offset = A_CMU_CFG1, + .name = "PLLx_CFG1", + .reset = { + 0x000200c7, 0x00020031, 0x000201bb, 0x000200c7, + }, + .rw_mask = PLL_CFG1_RW_MASK, + }, + { + .offset = A_CMU_CTL, + .name = "PLLx_CTL", + .reset = { + 0x00000034, 0x00000034, 0x00000034, 0x00000074, + }, + .rw_mask = PLL_CTL_RW_MASK, + .w1t_mask = PLL_CTL_W1T_MASK, + .write_enable_shift = 16, + .write_enable_mask = PLL_CTL_LOW_MASK, + }, + { + .offset = A_CMU_STAT, + .name = "PLLx_STAT", + .reset = { + 0x00000021, 0x00000021, 0x00000021, 0x00000021, + }, + .ro_mask = PLL_STAT_RO_MASK, + }, +}; + +#define SYSCLK_REG(_reg, _name, _reset, _rw, _w1t) \ + { .offset = A_ ## _reg, .name = _name, .reset = _reset, \ + .rw_mask = (_rw), .w1t_mask = (_w1t) } + +static const K230SysclkRegDesc k230_sysclk_regs[] = { + SYSCLK_REG(SYSCLK_CPU0_CLK_CFG, "CPU0_CLK_CFG", 0x0000e65f, + 0x0003ffdf, R_SYSCLK_CPU0_CLK_CFG_CORE_CLK_ROOT_GDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_CPU1_CLK_CFG, "CPU1_CLK_CFG", 0x0009900d, + 0x000f803f, R_SYSCLK_CPU1_CLK_CFG_CORE_CLK_DIV_UPD_MASK), + SYSCLK_REG(SYSCLK_AI_CLK_CFG, "AI_CLK_CFG", 0x0000043d, + 0x0000043d, R_SYSCLK_AI_CLK_CFG_CLK_DIV_UPD_MASK), + SYSCLK_REG(SYSCLK_VPU_CLK_CFG, "VPU_CLK_CFG", 0x00000c7f, + 0x00007fff, R_SYSCLK_VPU_CLK_CFG_CLK_GDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_PMU_CLK_CFG, "PMU_CLK_CFG", 0x00000001, + 0x00000001, 0), + SYSCLK_REG(SYSCLK_HS_CLKEN_CFG, "HS_CLKEN_CFG", 0x7f7fffff, + 0x7fffffff, 0), + SYSCLK_REG(SYSCLK_HS_SDCLK_CFG, "HS_SDCLK_CFG", 0x000b9248, + 0x000fffff, R_SYSCLK_HS_SDCLK_CFG_ACLK_ROOT_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_HS_SPI_CFG, "HS_SPI_CFG", 0x00039048, + 0x0007fff8, R_SYSCLK_HS_SPI_CFG_SSI0_ACLK_ROOT_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_LS_CLKEN_CFG0, "LS_CLKEN_CFG0", 0xffffffff, + 0xffffffff, 0), + SYSCLK_REG(SYSCLK_LS_CLKEN_CFG1, "LS_CLKEN_CFG1", 0x000000ff, + 0x000000ff, 0), + SYSCLK_REG(SYSCLK_UART_I2C_CLKDIV_CFG, "UART_I2C_CLKDIV_CFG", + 0x1b6d9249, 0x3fffffff, + R_SYSCLK_UART_I2C_CLKDIV_CFG_I2C0_CLK_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_LS_CLKDIV_CFG, "LS_CLKDIV_CFG", 0x01dda0c3, + 0x7fffffff, R_SYSCLK_LS_CLKDIV_CFG_JAMLINK_CO_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_AUDIO_CLKDIV_CFG, "AUDIO_CLKDIV_CFG", 0x01b9f424, + 0x7fffffff, R_SYSCLK_AUDIO_CLKDIV_CFG_AUD_DEV_CLK_FDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_CODEC_ADC_MCLKDIV_CFG, "CODEC_ADC_MCLKDIV_CFG", + 0x006e7d09, 0x07ffffff, + R_SYSCLK_CODEC_ADC_MCLKDIV_CFG_MCLK_ADC_FDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_CODEC_DAC_MCLKDIV_CFG, "CODEC_DAC_MCLKDIV_CFG", + 0x006e7d09, 0x07ffffff, + R_SYSCLK_CODEC_DAC_MCLKDIV_CFG_MCLK_DAC_FDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_PDM_CLKDIV_CFG0, "PDM_CLKDIV_CFG0", 0x0000f424, + 0x0001ffff, 0), + SYSCLK_REG(SYSCLK_PDM_CLKDIV_CFG1, "PDM_CLKDIV_CFG1", 0x000001b9, + 0x0000ffff, R_SYSCLK_PDM_CLKDIV_CFG1_CLK_FDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_SYSCTL_CLKEN_CFG, "SYSCTL_CLKEN_CFG", 0x003ffffe, + 0x003ffffe, 0), + SYSCLK_REG(SYSCLK_TIMER_CLK_CFG, "TIMER_CLK_CFG", 0x0003ffff, + 0x0003ffff, R_SYSCLK_TIMER_CLK_CFG_CLK0_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_SYSCTL_CLK_DIV_CFG, "SYSCTL_CLK_DIV_CFG", 0x1efabef9, + 0x7ffffff8, R_SYSCLK_SYSCTL_CLK_DIV_CFG_PCLK_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_SHRM_CLK_CFG, "SHRM_CLK_CFG", 0x000c7ffd, + 0x001c7ffd, R_SYSCLK_SHRM_CLK_CFG_PCLK_ROOT_DIV_UPD_MASK), + SYSCLK_REG(SYSCLK_DDR_CLK_CFG, "DDR_CLK_CFG", 0x000043fd, + 0x0003ffff, R_SYSCLK_DDR_CLK_CFG_CORE_CLK_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_ISP_CLKEN_CFG, "ISP_CLKEN_CFG", 0x000fffff, + 0x000fffff, 0), + SYSCLK_REG(SYSCLK_ISP_CLKDIV_CFG, "ISP_CLKDIV_CFG", 0x00820835, + 0x3fffffff, R_SYSCLK_ISP_CLKDIV_CFG_CFG_CLK_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_MCLK_CFG, "MCLK_CFG", 0x003a74ef, + 0x00ffffff, R_SYSCLK_MCLK_CFG_MCLK0_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_DPU_CLK_CFG, "DPU_CLK_CFG", 0x000001ff, + 0x000003ff, R_SYSCLK_DPU_CLK_CFG_CLK_DIV_UPD_MASK), + SYSCLK_REG(SYSCLK_VO_CLK_CFG, "VO_CLK_CFG", 0x00001fff, + 0x00001fff, 0), + SYSCLK_REG(SYSCLK_DISP_CLK_DIV, "DISP_CLK_DIV", 0x0000a83b, + 0x00ffffff, R_SYSCLK_DISP_CLK_DIV_HCLK_ROOT_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_SEC_CLK_DIV, "SEC_CLK_DIV", 0x000002f3, + 0x00003fff, R_SYSCLK_SEC_CLK_DIV_PCLK_DIV_UPD_MASK), + SYSCLK_REG(SYSCLK_USB_TEST_CLK_DIV, "USB_TEST_CLK_DIV", 0x00000039, + 0x0000007f, R_SYSCLK_USB_TEST_CLK_DIV_CLK480_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_DPHY_TEST_CLK_DIV, "DPHY_TEST_CLK_DIV", 0x00000009, + 0x0000001f, + R_SYSCLK_DPHY_TEST_CLK_DIV_TEST_CLK_CDIV_UPD_MASK), + SYSCLK_REG(SYSCLK_SPI2AXI_CLK_DIV, "SPI2AXI_CLK_DIV", 0x00000007, + 0x0000000f, + R_SYSCLK_SPI2AXI_CLK_DIV_CLK_DIV_UPD_MASK), +}; + +#undef SYSCLK_REG + +static const K230PllRegDesc *k230_pll_desc(hwaddr addr, + unsigned *pll_index) +{ + unsigned index = addr / K230_PLL_STRIDE; + hwaddr offset = addr % K230_PLL_STRIDE; + + if (index >= K230_PLL_COUNT) { + return NULL; + } + + for (unsigned i = 0; i < ARRAY_SIZE(k230_pll_regs); i++) { + if (k230_pll_regs[i].offset == offset) { + *pll_index = index; + return &k230_pll_regs[i]; + } + } + + return NULL; +} + +static uint32_t k230_pll_value(const K230PllState *pll, hwaddr offset) +{ + switch (offset) { + case A_CMU_CFG0: + return pll->cfg0; + case A_CMU_CFG1: + return pll->cfg1; + case A_CMU_CTL: + return pll->ctl & PLL_CTL_RW_MASK; + case A_CMU_STAT: + return pll->stat & PLL_STAT_RO_MASK; + default: + return 0; + } +} + +static uint32_t *k230_pll_storage(K230PllState *pll, hwaddr offset) +{ + switch (offset) { + case A_CMU_CFG0: + return &pll->cfg0; + case A_CMU_CFG1: + return &pll->cfg1; + case A_CMU_CTL: + return &pll->ctl; + default: + return NULL; + } +} + +static uint32_t k230_merge_rw(uint32_t old_value, uint32_t write_value, + uint32_t rw_mask, uint32_t w1t_mask) +{ + return ((old_value & ~rw_mask) | (write_value & rw_mask)) & ~w1t_mask; +} + +static void k230_cmu_log_undefined_access(const char *region, bool write, + hwaddr addr, uint32_t value) +{ + if (write) { + trace_k230_cmu_undefined_write(region, addr, value); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: write to undefined %s offset 0x%" PRIx64 + " (value 0x%08" PRIx32 ")\n", + TYPE_K230_CMU, region, addr, value); + } else { + trace_k230_cmu_undefined_read(region, addr); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: read from undefined %s offset 0x%" PRIx64 "\n", + TYPE_K230_CMU, region, addr); + } +} + +static uint64_t k230_pll_read(void *opaque, hwaddr addr, unsigned size) +{ + K230CmuState *s = K230_CMU(opaque); + unsigned index; + const K230PllRegDesc *desc; + uint32_t value; + + if (size != sizeof(uint32_t)) { + return 0; + } + + desc = k230_pll_desc(addr, &index); + if (!desc) { + k230_cmu_log_undefined_access("PLL", false, addr, 0); + return 0; + } + + value = k230_pll_value(&s->pll[index], desc->offset); + trace_k230_cmu_pll_read(index, desc->offset, value); + return value; +} + +static void k230_pll_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + K230CmuState *s = K230_CMU(opaque); + unsigned index; + const K230PllRegDesc *desc; + K230PllState *pll; + uint32_t *storage; + uint32_t write_value = value; + uint32_t old_value; + uint32_t new_value; + + if (size != sizeof(uint32_t)) { + return; + } + + desc = k230_pll_desc(addr, &index); + if (!desc) { + k230_cmu_log_undefined_access("PLL", true, addr, write_value); + return; + } + + pll = &s->pll[index]; + old_value = k230_pll_value(pll, desc->offset); + + if (desc->offset == A_CMU_STAT) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: write to read-only PLL%u STAT\n", + TYPE_K230_CMU, index); + return; + } + + if (desc->offset == A_CMU_CTL) { + uint32_t low = write_value & 0xffff; + uint32_t enabled = (write_value >> desc->write_enable_shift) & + desc->write_enable_mask; + uint32_t old_status = pll->stat; + uint32_t w1t = enabled & desc->w1t_mask & low; + bool powerdown = w1t & R_CMU_CTL_PLL_PWRDWN_MASK; + bool init = w1t & R_CMU_CTL_PLL_INIT_MASK; + + pll->ctl = k230_merge_rw(pll->ctl, low, + enabled & desc->rw_mask, + desc->w1t_mask); + + if (powerdown && init) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: PLL%u CTL powerdown/init conflict\n", + TYPE_K230_CMU, index); + } + + if (powerdown) { + pll->stat = 0; + } + if (init) { + pll->stat = 0x00000021; + } + if (old_status != pll->stat) { + trace_k230_cmu_pll_status(index, old_status, pll->stat); + } + new_value = k230_pll_value(pll, desc->offset); + trace_k230_cmu_pll_write(index, desc->offset, write_value, + old_value, new_value); + return; + } + + storage = k230_pll_storage(pll, desc->offset); + if (!storage) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: PLL%u %s has no writable storage\n", + TYPE_K230_CMU, index, desc->name); + return; + } + *storage = k230_merge_rw(*storage, write_value, + desc->rw_mask, desc->w1t_mask); + new_value = k230_pll_value(pll, desc->offset); + trace_k230_cmu_pll_write(index, desc->offset, write_value, + old_value, new_value); +} + +static const K230SysclkRegDesc *k230_sysclk_desc(hwaddr addr, + unsigned *index) +{ + for (unsigned i = 0; i < ARRAY_SIZE(k230_sysclk_regs); i++) { + if (k230_sysclk_regs[i].offset == addr) { + *index = i; + return &k230_sysclk_regs[i]; + } + } + + return NULL; +} + +static uint64_t k230_sysclk_read(void *opaque, hwaddr addr, unsigned size) +{ + K230CmuState *s = K230_CMU(opaque); + unsigned index; + uint32_t value; + + if (size != sizeof(uint32_t)) { + return 0; + } + + if (!k230_sysclk_desc(addr, &index)) { + k230_cmu_log_undefined_access("sysclk", false, addr, 0); + return 0; + } + + value = s->sysclk[index]; + trace_k230_cmu_sysclk_read(addr, value); + return value; +} + +static void k230_sysclk_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + K230CmuState *s = K230_CMU(opaque); + const K230SysclkRegDesc *desc; + unsigned index; + uint32_t old_value; + uint32_t new_value; + + if (size != sizeof(uint32_t)) { + return; + } + + desc = k230_sysclk_desc(addr, &index); + if (!desc) { + k230_cmu_log_undefined_access("sysclk", true, addr, value); + return; + } + + old_value = s->sysclk[index]; + new_value = k230_merge_rw(old_value, value, + desc->rw_mask, desc->w1t_mask); + s->sysclk[index] = new_value; + trace_k230_cmu_sysclk_write(addr, value, old_value, new_value); +} + +static const MemoryRegionOps k230_pll_ops = { + .read = k230_pll_read, + .write = k230_pll_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, +}; + +static const MemoryRegionOps k230_sysclk_ops = { + .read = k230_sysclk_read, + .write = k230_sysclk_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, +}; + +static void k230_cmu_check_reg_descs(void) +{ + for (unsigned i = 0; i < ARRAY_SIZE(k230_pll_regs); i++) { + const K230PllRegDesc *desc = &k230_pll_regs[i]; + + g_assert(!(desc->rw_mask & desc->w1t_mask)); + g_assert(!(desc->rw_mask & desc->ro_mask)); + g_assert(!(desc->w1t_mask & desc->ro_mask)); + } + + for (unsigned i = 0; i < ARRAY_SIZE(k230_sysclk_regs); i++) { + const K230SysclkRegDesc *desc = &k230_sysclk_regs[i]; + + g_assert(!(desc->rw_mask & desc->w1t_mask)); + } +} + +static void k230_cmu_reset_hold(Object *obj, ResetType type) +{ + K230CmuState *s = K230_CMU(obj); + + for (unsigned index = 0; index < K230_PLL_COUNT; index++) { + s->pll[index].cfg0 = k230_pll_regs[0].reset[index]; + s->pll[index].cfg1 = k230_pll_regs[1].reset[index]; + s->pll[index].ctl = k230_pll_regs[2].reset[index]; + s->pll[index].stat = k230_pll_regs[3].reset[index]; + } + + for (unsigned index = 0; index < ARRAY_SIZE(k230_sysclk_regs); index++) { + s->sysclk[index] = k230_sysclk_regs[index].reset; + } +} + +static void k230_cmu_init(Object *obj) +{ + K230CmuState *s = K230_CMU(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + + k230_cmu_check_reg_descs(); + memory_region_init_io(&s->pll_mmio, obj, &k230_pll_ops, s, + "k230-cmu-pll", K230_CMU_SIZE); + memory_region_init_io(&s->sysclk_mmio, obj, &k230_sysclk_ops, s, + "k230-cmu-sysclk", K230_SYSCLK_SIZE); + sysbus_init_mmio(sbd, &s->pll_mmio); + sysbus_init_mmio(sbd, &s->sysclk_mmio); +} + +static const VMStateDescription vmstate_k230_pll = { + .name = "riscv.k230.cmu/pll", + .version_id = 1, + .minimum_version_id = 1, + .fields = (const VMStateField[]) { + VMSTATE_UINT32(cfg0, K230PllState), + VMSTATE_UINT32(cfg1, K230PllState), + VMSTATE_UINT32(ctl, K230PllState), + VMSTATE_UINT32(stat, K230PllState), + VMSTATE_END_OF_LIST(), + }, +}; + +static const VMStateDescription vmstate_k230_cmu = { + .name = TYPE_K230_CMU, + .version_id = 1, + .minimum_version_id = 1, + .fields = (const VMStateField[]) { + VMSTATE_STRUCT_ARRAY(pll, K230CmuState, K230_PLL_COUNT, 1, + vmstate_k230_pll, K230PllState), + VMSTATE_UINT32_ARRAY(sysclk, K230CmuState, K230_SYSCLK_REG_COUNT), + VMSTATE_END_OF_LIST(), + }, +}; + +static void k230_cmu_class_init(ObjectClass *klass, const void *data) +{ + ResettableClass *rc = RESETTABLE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + rc->phases.hold = k230_cmu_reset_hold; + dc->vmsd = &vmstate_k230_cmu; +} + +static const TypeInfo k230_cmu_info = { + .name = TYPE_K230_CMU, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(K230CmuState), + .instance_init = k230_cmu_init, + .class_init = k230_cmu_class_init, +}; + +static void k230_cmu_register_types(void) +{ + type_register_static(&k230_cmu_info); +} + +type_init(k230_cmu_register_types) diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 23265f6035..5f1c9c439d 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -28,6 +28,7 @@ system_ss.add(when: 'CONFIG_IOSB', if_true: files('iosb.c')) system_ss.add(when: 'CONFIG_VIRT_CTRL', if_true: files('virt_ctrl.c')) # RISC-V devices +system_ss.add(when: 'CONFIG_K230_CMU', if_true: files('k230_cmu.c')) system_ss.add(when: 'CONFIG_MCHP_PFSOC_DMC', if_true: files('mchp_pfsoc_dmc.c')) system_ss.add(when: 'CONFIG_MCHP_PFSOC_IOSCB', if_true: files('mchp_pfsoc_ioscb.c')) system_ss.add(when: 'CONFIG_MCHP_PFSOC_SYSREG', if_true: files('mchp_pfsoc_sysreg.c')) diff --git a/hw/misc/trace-events b/hw/misc/trace-events index c9a868b3ef..bcedea6954 100644 --- a/hw/misc/trace-events +++ b/hw/misc/trace-events @@ -66,6 +66,15 @@ ecc_mem_readl_ecr1(uint32_t ret) "Read event count 2 0x%08x" ecc_diag_mem_writeb(uint64_t addr, uint32_t val) "Write diagnostic %"PRId64" = 0x%02x" ecc_diag_mem_readb(uint64_t addr, uint32_t ret) "Read diagnostic %"PRId64"= 0x%02x" +# k230_cmu.c +k230_cmu_pll_read(unsigned int pll, uint64_t offset, uint32_t value) "PLL%u read offset=0x%"PRIx64" value=0x%08"PRIx32 +k230_cmu_pll_write(unsigned int pll, uint64_t offset, uint32_t value, uint32_t old_value, uint32_t new_value) "PLL%u write offset=0x%"PRIx64" value=0x%08"PRIx32" old=0x%08"PRIx32" new=0x%08"PRIx32 +k230_cmu_pll_status(unsigned int pll, uint32_t old_status, uint32_t new_status) "PLL%u status old=0x%08"PRIx32" new=0x%08"PRIx32 +k230_cmu_sysclk_read(uint64_t offset, uint32_t value) "sysclk read offset=0x%"PRIx64" value=0x%08"PRIx32 +k230_cmu_sysclk_write(uint64_t offset, uint32_t value, uint32_t old_value, uint32_t new_value) "sysclk write offset=0x%"PRIx64" value=0x%08"PRIx32" old=0x%08"PRIx32" new=0x%08"PRIx32 +k230_cmu_undefined_read(const char *region, uint64_t offset) "%s undefined read offset=0x%"PRIx64 +k230_cmu_undefined_write(const char *region, uint64_t offset, uint32_t value) "%s undefined write offset=0x%"PRIx64" value=0x%08"PRIx32 + # empty_slot.c empty_slot_write(uint64_t addr, unsigned width, uint64_t value, unsigned size, const char *name) "wr addr:0x%04"PRIx64" data:0x%0*"PRIx64" size %u [%s]" diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index de37c08cae..d2e365fd70 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -161,4 +161,5 @@ config K230 select RISCV_IMSIC select SERIAL_MM select UNIMP + select K230_CMU select K230_WDT diff --git a/include/hw/misc/k230_cmu.h b/include/hw/misc/k230_cmu.h new file mode 100644 index 0000000000..e373ec0aa0 --- /dev/null +++ b/include/hw/misc/k230_cmu.h @@ -0,0 +1,58 @@ +/* + * Kendryte K230 Clock Management Unit + * + * Copyright (c) 2026 Simon Law <[email protected]> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * Defines the K230 PLL and system-clock register protocol model. It keeps + * software-visible register state but does not provide cycle-accurate clocks + * or propagate QEMU Clock signals. + * + * K230 Technical Reference Manual V0.3.1 (2024-11-18): + * https://github.com/revyos/external-docs/blob/master/K230/en-us/K230_Technical_Reference_Manual_V0.3.1_20241118.pdf + * + * For more information, see <https://www.kendryte.com/en/proDetail/230> + * + */ + +#ifndef HW_MISC_K230_CMU_H +#define HW_MISC_K230_CMU_H + +#include "hw/core/sysbus.h" +#include "qom/object.h" + +#define TYPE_K230_CMU "riscv.k230.cmu" +OBJECT_DECLARE_SIMPLE_TYPE(K230CmuState, K230_CMU) + +#define K230_PLL_COUNT 4 +#define K230_PLL_STRIDE 0x10 +#define K230_SYSCLK_REG_COUNT 32 + +#define K230_CMU_BASE_ADDR 0x91102000 +#define K230_CMU_SIZE 0x40 + +#define K230_SYSCLK_BASE_ADDR 0x91100000 +#define K230_SYSCLK_SIZE 0x1000 + +typedef struct K230PllState { + uint32_t cfg0; + uint32_t cfg1; + uint32_t ctl; + uint32_t stat; +} K230PllState; + +typedef struct K230CmuState { + /* <private> */ + SysBusDevice parent_obj; + + /* <public> */ + MemoryRegion pll_mmio; + MemoryRegion sysclk_mmio; + + /* Properties */ + K230PllState pll[K230_PLL_COUNT]; + uint32_t sysclk[K230_SYSCLK_REG_COUNT]; +} K230CmuState; + +#endif /* HW_MISC_K230_CMU_H */ -- 2.43.0
