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zephyr/soc/arm/nxp_imx/rt6xx/soc.c

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/*
* Copyright (c) 2020, NXP
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief System/hardware module for nxp_lpc55s69 platform
*
* This module provides routines to initialize and support board-level
* hardware for the nxp_lpc55s69 platform.
*/
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <soc.h>
#include <zephyr/drivers/uart.h>
#include <zephyr/linker/sections.h>
#include <zephyr/arch/cpu.h>
#include <aarch32/cortex_m/exc.h>
#include <fsl_power.h>
#include <fsl_clock.h>
#include <fsl_common.h>
#include <fsl_device_registers.h>
#if CONFIG_USB_DC_NXP_LPCIP3511
#include "usb_phy.h"
#include "usb.h"
#endif
#define SYSTEM_IS_XIP_FLEXSPI() \
((((uint32_t)nxp_rt600_init >= 0x08000000U) && \
((uint32_t)nxp_rt600_init < 0x10000000U)) || \
(((uint32_t)nxp_rt600_init >= 0x18000000U) && \
((uint32_t)nxp_rt600_init < 0x20000000U)))
#define CTIMER_CLOCK_SOURCE(node_id) \
TO_CTIMER_CLOCK_SOURCE(DT_CLOCKS_CELL(node_id, name), DT_PROP(node_id, clk_source))
#define TO_CTIMER_CLOCK_SOURCE(inst, val) TO_CLOCK_ATTACH_ID(inst, val)
#define TO_CLOCK_ATTACH_ID(inst, val) CLKCTL1_TUPLE_MUXA(CT32BIT##inst##FCLKSEL_OFFSET, val)
#define CTIMER_CLOCK_SETUP(node_id) CLOCK_AttachClk(CTIMER_CLOCK_SOURCE(node_id));
#ifdef CONFIG_INIT_SYS_PLL
const clock_sys_pll_config_t g_sysPllConfig = {
.sys_pll_src = kCLOCK_SysPllXtalIn,
.numerator = 0,
.denominator = 1,
.sys_pll_mult = kCLOCK_SysPllMult22
};
#endif
#ifdef CONFIG_INIT_AUDIO_PLL
const clock_audio_pll_config_t g_audioPllConfig = {
.audio_pll_src = kCLOCK_AudioPllXtalIn,
.numerator = 5040,
.denominator = 27000,
.audio_pll_mult = kCLOCK_AudioPllMult22
};
#endif
#if CONFIG_USB_DC_NXP_LPCIP3511
/* USB PHY condfiguration */
#define BOARD_USB_PHY_D_CAL (0x0CU)
#define BOARD_USB_PHY_TXCAL45DP (0x06U)
#define BOARD_USB_PHY_TXCAL45DM (0x06U)
#endif
#ifdef CONFIG_NXP_IMX_RT6XX_BOOT_HEADER
extern char z_main_stack[];
extern char _flash_used[];
extern void z_arm_reset(void);
extern void z_arm_nmi(void);
extern void z_arm_hard_fault(void);
extern void z_arm_mpu_fault(void);
extern void z_arm_bus_fault(void);
extern void z_arm_usage_fault(void);
extern void z_arm_secure_fault(void);
extern void z_arm_svc(void);
extern void z_arm_debug_monitor(void);
extern void z_arm_pendsv(void);
extern void sys_clock_isr(void);
extern void z_arm_exc_spurious(void);
__imx_boot_ivt_section void (* const image_vector_table[])(void) = {
(void (*)())(z_main_stack + CONFIG_MAIN_STACK_SIZE), /* 0x00 */
z_arm_reset, /* 0x04 */
z_arm_nmi, /* 0x08 */
z_arm_hard_fault, /* 0x0C */
z_arm_mpu_fault, /* 0x10 */
z_arm_bus_fault, /* 0x14 */
z_arm_usage_fault, /* 0x18 */
#if defined(CONFIG_ARM_SECURE_FIRMWARE)
z_arm_secure_fault, /* 0x1C */
#else
z_arm_exc_spurious,
#endif /* CONFIG_ARM_SECURE_FIRMWARE */
(void (*)())_flash_used, /* 0x20, imageLength. */
0, /* 0x24, imageType (Plain Image) */
0, /* 0x28, authBlockOffset/crcChecksum */
z_arm_svc, /* 0x2C */
z_arm_debug_monitor, /* 0x30 */
(void (*)())image_vector_table, /* 0x34, imageLoadAddress. */
z_arm_pendsv, /* 0x38 */
#if defined(CONFIG_SYS_CLOCK_EXISTS) && \
defined(CONFIG_CORTEX_M_SYSTICK_INSTALL_ISR)
sys_clock_isr, /* 0x3C */
#else
z_arm_exc_spurious,
#endif
};
#endif /* CONFIG_NXP_IMX_RT6XX_BOOT_HEADER */
#if CONFIG_USB_DC_NXP_LPCIP3511
static void usb_device_clock_init(void)
{
uint8_t usbClockDiv = 1;
uint32_t usbClockFreq;
usb_phy_config_struct_t phyConfig = {
BOARD_USB_PHY_D_CAL,
BOARD_USB_PHY_TXCAL45DP,
BOARD_USB_PHY_TXCAL45DM,
};
/* enable USB IP clock */
CLOCK_SetClkDiv(kCLOCK_DivPfc1Clk, 5);
CLOCK_AttachClk(kXTALIN_CLK_to_USB_CLK);
CLOCK_SetClkDiv(kCLOCK_DivUsbHsFclk, usbClockDiv);
CLOCK_EnableUsbhsDeviceClock();
RESET_PeripheralReset(kUSBHS_PHY_RST_SHIFT_RSTn);
RESET_PeripheralReset(kUSBHS_DEVICE_RST_SHIFT_RSTn);
RESET_PeripheralReset(kUSBHS_HOST_RST_SHIFT_RSTn);
RESET_PeripheralReset(kUSBHS_SRAM_RST_SHIFT_RSTn);
/*Make sure USBHS ram buffer has power up*/
POWER_DisablePD(kPDRUNCFG_APD_USBHS_SRAM);
POWER_DisablePD(kPDRUNCFG_PPD_USBHS_SRAM);
POWER_ApplyPD();
/* save usb ip clock freq*/
usbClockFreq = g_xtalFreq / usbClockDiv;
/* enable USB PHY PLL clock, the phy bus clock (480MHz) source is same with USB IP */
CLOCK_EnableUsbHs0PhyPllClock(kXTALIN_CLK_to_USB_CLK, usbClockFreq);
#if defined(FSL_FEATURE_USBHSD_USB_RAM) && (FSL_FEATURE_USBHSD_USB_RAM)
for (int i = 0; i < FSL_FEATURE_USBHSD_USB_RAM; i++) {
((uint8_t *)FSL_FEATURE_USBHSD_USB_RAM_BASE_ADDRESS)[i] = 0x00U;
}
#endif
USB_EhciPhyInit(kUSB_ControllerLpcIp3511Hs0, CLK_XTAL_OSC_CLK, &phyConfig);
/* the following code should run after phy initialization and
* should wait some microseconds to make sure utmi clock valid
*/
/* enable usb1 host clock */
CLOCK_EnableClock(kCLOCK_UsbhsHost);
/* Wait until host_needclk de-asserts */
while (SYSCTL0->USBCLKSTAT & SYSCTL0_USBCLKSTAT_HOST_NEED_CLKST_MASK) {
__ASM("nop");
}
/* According to reference mannual, device mode setting has to be set by
* access usb host register
*/
USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
/* disable usb1 host clock */
CLOCK_DisableClock(kCLOCK_UsbhsHost);
}
#endif
/**
* @brief Initialize the system clock
*/
static ALWAYS_INLINE void clock_init(void)
{
#ifdef CONFIG_SOC_MIMXRT685S_CM33
/* Configure LPOSC clock*/
POWER_DisablePD(kPDRUNCFG_PD_LPOSC);
/* Configure FFRO clock */
POWER_DisablePD(kPDRUNCFG_PD_FFRO);
CLOCK_EnableFfroClk(kCLOCK_Ffro48M);
/* Configure SFRO clock */
POWER_DisablePD(kPDRUNCFG_PD_SFRO);
CLOCK_EnableSfroClk();
/* Let CPU run on FFRO for safe switching. */
CLOCK_AttachClk(kFFRO_to_MAIN_CLK);
/* Configure SYSOSC clock source */
POWER_DisablePD(kPDRUNCFG_PD_SYSXTAL);
POWER_UpdateOscSettlingTime(CONFIG_SYSOSC_SETTLING_US);
CLOCK_EnableSysOscClk(true, true, CONFIG_SYSOSC_SETTLING_US);
CLOCK_SetXtalFreq(CONFIG_XTAL_SYS_CLK_HZ);
#ifdef CONFIG_INIT_SYS_PLL
/* Configure SysPLL0 clock source */
CLOCK_InitSysPll(&g_sysPllConfig);
CLOCK_InitSysPfd(kCLOCK_Pfd0, 19);
CLOCK_InitSysPfd(kCLOCK_Pfd2, 24);
#endif
#ifdef CONFIG_INIT_AUDIO_PLL
/* Configure Audio PLL clock source */
CLOCK_InitAudioPll(&g_audioPllConfig);
CLOCK_InitAudioPfd(kCLOCK_Pfd0, 26);
CLOCK_SetClkDiv(kCLOCK_DivAudioPllClk, 15U);
#endif
/* Set SYSCPUAHBCLKDIV divider to value 2 */
CLOCK_SetClkDiv(kCLOCK_DivSysCpuAhbClk, 2U);
/* Set up clock selectors - Attach clocks to the peripheries */
CLOCK_AttachClk(kMAIN_PLL_to_MAIN_CLK);
/* Set up dividers */
/* Set PFC0DIV divider to value 2 */
CLOCK_SetClkDiv(kCLOCK_DivPfc0Clk, 2U);
/* Set FRGPLLCLKDIV divider to value 12 */
CLOCK_SetClkDiv(kCLOCK_DivPllFrgClk, 12U);
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm0), nxp_lpc_usart, okay)
CLOCK_AttachClk(kSFRO_to_FLEXCOMM0);
#endif
#if CONFIG_USB_DC_NXP_LPCIP3511
usb_device_clock_init();
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm2), nxp_lpc_i2c, okay)
CLOCK_AttachClk(kSFRO_to_FLEXCOMM2);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(pmic_i2c), nxp_lpc_i2c, okay)
CLOCK_AttachClk(kFFRO_to_FLEXCOMM15);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm4), nxp_lpc_usart, okay)
CLOCK_AttachClk(kSFRO_to_FLEXCOMM4);
#endif
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm5), nxp_lpc_spi, okay)
CLOCK_AttachClk(kFFRO_to_FLEXCOMM5);
#endif
#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm1), nxp_lpc_i2s, okay))
/* attach AUDIO PLL clock to FLEXCOMM1 (I2S1) */
CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM1);
#endif
#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm3), nxp_lpc_i2s, okay))
/* attach AUDIO PLL clock to FLEXCOMM3 (I2S3) */
CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM3);
#endif
#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(wwdt0), nxp_lpc_wwdt, okay))
CLOCK_AttachClk(kLPOSC_to_WDT0_CLK);
#else
/* Allowed to select none if not being used for watchdog to
* reduce power
*/
CLOCK_AttachClk(kNONE_to_WDT0_CLK);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(usdhc0), okay) && CONFIG_IMX_USDHC
/* Make sure USDHC ram buffer has been power up*/
POWER_DisablePD(kPDRUNCFG_APD_USDHC0_SRAM);
POWER_DisablePD(kPDRUNCFG_PPD_USDHC0_SRAM);
POWER_DisablePD(kPDRUNCFG_PD_LPOSC);
POWER_ApplyPD();
/* usdhc depend on 32K clock also */
CLOCK_AttachClk(kLPOSC_DIV32_to_32KHZWAKE_CLK);
CLOCK_AttachClk(kAUX0_PLL_to_SDIO0_CLK);
CLOCK_SetClkDiv(kCLOCK_DivSdio0Clk, 1);
CLOCK_EnableClock(kCLOCK_Sdio0);
RESET_PeripheralReset(kSDIO0_RST_SHIFT_RSTn);
#endif
DT_FOREACH_STATUS_OKAY(nxp_lpc_ctimer, CTIMER_CLOCK_SETUP)
#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(i3c0), nxp_mcux_i3c, okay))
CLOCK_AttachClk(kFFRO_to_I3C_CLK);
CLOCK_AttachClk(kLPOSC_to_I3C_TC_CLK);
#endif
#endif /* CONFIG_SOC_MIMXRT685S_CM33 */
}
#if (DT_NODE_HAS_STATUS(DT_NODELABEL(usdhc0), okay) && CONFIG_IMX_USDHC)
void imxrt_usdhc_pinmux(uint16_t nusdhc, bool init,
uint32_t speed, uint32_t strength)
{
}
void imxrt_usdhc_dat3_pull(bool pullup)
{
}
#endif
/**
*
* @brief Perform basic hardware initialization
*
* Initialize the interrupt controller device drivers.
* Also initialize the timer device driver, if required.
*
* @return 0
*/
static int nxp_rt600_init(const struct device *arg)
{
ARG_UNUSED(arg);
/* old interrupt lock level */
unsigned int oldLevel;
/* disable interrupts */
oldLevel = irq_lock();
/* Enable cache to accelerate boot. */
if (SYSTEM_IS_XIP_FLEXSPI() && (CACHE64_POLSEL->POLSEL == 0)) {
/*
* Set command to invalidate all ways and write GO bit
* to initiate command
*/
CACHE64->CCR = (CACHE64_CTRL_CCR_INVW1_MASK |
CACHE64_CTRL_CCR_INVW0_MASK);
CACHE64->CCR |= CACHE64_CTRL_CCR_GO_MASK;
/* Wait until the command completes */
while (CACHE64->CCR & CACHE64_CTRL_CCR_GO_MASK) {
}
/* Enable cache, enable write buffer */
CACHE64->CCR = (CACHE64_CTRL_CCR_ENWRBUF_MASK |
CACHE64_CTRL_CCR_ENCACHE_MASK);
/* Set whole FlexSPI0 space to write through. */
CACHE64_POLSEL->REG0_TOP = 0x07FFFC00U;
CACHE64_POLSEL->REG1_TOP = 0x0U;
CACHE64_POLSEL->POLSEL = 0x1U;
__ISB();
__DSB();
}
/* Initialize clock */
clock_init();
/*
* install default handler that simply resets the CPU if configured in
* the kernel, NOP otherwise
*/
NMI_INIT();
/* restore interrupt state */
irq_unlock(oldLevel);
return 0;
}
SYS_INIT(nxp_rt600_init, PRE_KERNEL_1, 0);
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