plat/hisilicon/hikey960/hikey960_bl1_setup.c - filogic/atf - Gitiles

 /*
  * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */

 #include <arch_helpers.h>
 #include <arm_gic.h>
 #include <assert.h>
 #include <bl_common.h>
 #include <console.h>
 #include <debug.h>
 #include <delay_timer.h>
 #include <dw_ufs.h>
 #include <errno.h>
 #include <generic_delay_timer.h>
 #include <gicv2.h>
 #include <hi3660.h>
 #include <mmio.h>
 #include <platform.h>
 #include <platform_def.h>
 #include <string.h>
 #include <tbbr/tbbr_img_desc.h>
 #include <ufs.h>

 #include "../../bl1/bl1_private.h"
 #include "hikey960_def.h"
 #include "hikey960_private.h"

 enum {
 	BOOT_MODE_RECOVERY = 0,
 	BOOT_MODE_NORMAL,
 	BOOT_MODE_MASK = 1,
 };

 /*
  * Declarations of linker defined symbols which will help us find the layout
  * of trusted RAM
  */

 /* Data structure which holds the extents of the trusted RAM for BL1 */
 static meminfo_t bl1_tzram_layout;

 /******************************************************************************
  * On a GICv2 system, the Group 1 secure interrupts are treated as Group 0
  * interrupts.
  *****************************************************************************/
 const unsigned int g0_interrupt_array[] = {
 	IRQ_SEC_PHY_TIMER,
 	IRQ_SEC_SGI_0
 };

 const gicv2_driver_data_t hikey960_gic_data = {
 	.gicd_base = GICD_REG_BASE,
 	.gicc_base = GICC_REG_BASE,
 	.g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array),
 	.g0_interrupt_array = g0_interrupt_array,
 };

 meminfo_t *bl1_plat_sec_mem_layout(void)
 {
 	return &bl1_tzram_layout;
 }

 /*******************************************************************************
  * Function that takes a memory layout into which BL2 has been loaded and
  * populates a new memory layout for BL2 that ensures that BL1's data sections
  * resident in secure RAM are not visible to BL2.
  ******************************************************************************/
 void bl1_init_bl2_mem_layout(const meminfo_t *bl1_mem_layout,
 			     meminfo_t *bl2_mem_layout)
 {

 	assert(bl1_mem_layout != NULL);
 	assert(bl2_mem_layout != NULL);

 	/*
 	 * Cannot remove BL1 RW data from the scope of memory visible to BL2
 	 * like arm platforms because they overlap in hikey960
 	 */
 	bl2_mem_layout->total_base = BL2_BASE;
 	bl2_mem_layout->total_size = NS_BL1U_LIMIT - BL2_BASE;

 	flush_dcache_range((unsigned long)bl2_mem_layout, sizeof(meminfo_t));
 }

 /*
  * Perform any BL1 specific platform actions.
  */
 void bl1_early_platform_setup(void)
 {
 	unsigned int id, uart_base;

 	generic_delay_timer_init();
 	hikey960_read_boardid(&id);
 	if (id == 5300)
 		uart_base = PL011_UART5_BASE;
 	else
 		uart_base = PL011_UART6_BASE;
 	/* Initialize the console to provide early debug support */
 	console_init(uart_base, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);

 	/* Allow BL1 to see the whole Trusted RAM */
 	bl1_tzram_layout.total_base = BL1_RW_BASE;
 	bl1_tzram_layout.total_size = BL1_RW_SIZE;

 	INFO("BL1: 0x%lx - 0x%lx [size = %lu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT,
 	     BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
 }

 /*
  * Perform the very early platform specific architecture setup here. At the
  * moment this only does basic initialization. Later architectural setup
  * (bl1_arch_setup()) does not do anything platform specific.
  */
 void bl1_plat_arch_setup(void)
 {
 	hikey960_init_mmu_el3(bl1_tzram_layout.total_base,
 			      bl1_tzram_layout.total_size,
 			      BL1_RO_BASE,
 			      BL1_RO_LIMIT,
 			      BL_COHERENT_RAM_BASE,
 			      BL_COHERENT_RAM_END);
 }

 static void hikey960_ufs_reset(void)
 {
 	unsigned int data, mask;

 	mmio_write_32(CRG_PERDIS7_REG, 1 << 14);
 	mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN);
 	do {
 		data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG);
 	} while (data & BIT_SYSCTRL_REF_CLOCK_EN);
 	/* use abb clk */
 	mmio_clrbits_32(UFS_SYS_UFS_SYSCTRL_REG, BIT_UFS_REFCLK_SRC_SE1);
 	mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_REFCLK_ISO_EN);
 	mmio_write_32(PCTRL_PERI_CTRL3_REG, (1 << 0) | (1 << 16));
 	mdelay(1);
 	mmio_write_32(CRG_PEREN7_REG, 1 << 14);
 	mmio_setbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN);

 	mmio_write_32(CRG_PERRSTEN3_REG, PERI_UFS_BIT);
 	do {
 		data = mmio_read_32(CRG_PERRSTSTAT3_REG);
 	} while ((data & PERI_UFS_BIT) == 0);
 	mmio_setbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_MTCMOS_EN);
 	mdelay(1);
 	mmio_setbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_PWR_READY);
 	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
 		      MASK_UFS_DEVICE_RESET);
 	/* clear SC_DIV_UFS_PERIBUS */
 	mask = SC_DIV_UFS_PERIBUS << 16;
 	mmio_write_32(CRG_CLKDIV17_REG, mask);
 	/* set SC_DIV_UFSPHY_CFG(3) */
 	mask = SC_DIV_UFSPHY_CFG_MASK << 16;
 	data = SC_DIV_UFSPHY_CFG(3);
 	mmio_write_32(CRG_CLKDIV16_REG, mask | data);
 	data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG);
 	data &= ~MASK_SYSCTRL_CFG_CLOCK_FREQ;
 	data |= 0x39;
 	mmio_write_32(UFS_SYS_PHY_CLK_CTRL_REG, data);
 	mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, MASK_SYSCTRL_REF_CLOCK_SEL);
 	mmio_setbits_32(UFS_SYS_CLOCK_GATE_BYPASS_REG,
 			MASK_UFS_CLK_GATE_BYPASS);
 	mmio_setbits_32(UFS_SYS_UFS_SYSCTRL_REG, MASK_UFS_SYSCTRL_BYPASS);

 	mmio_setbits_32(UFS_SYS_PSW_CLK_CTRL_REG, BIT_SYSCTRL_PSW_CLK_EN);
 	mmio_clrbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_ISO_CTRL);
 	mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_PHY_ISO_CTRL);
 	mmio_clrbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_LP_ISOL_EN);
 	mmio_write_32(CRG_PERRSTDIS3_REG, PERI_ARST_UFS_BIT);
 	mmio_setbits_32(UFS_SYS_RESET_CTRL_EN_REG, BIT_SYSCTRL_LP_RESET_N);
 	mdelay(1);
 	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
 		      MASK_UFS_DEVICE_RESET | BIT_UFS_DEVICE_RESET);
 	mdelay(20);
 	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
 		      0x03300330);

 	mmio_write_32(CRG_PERRSTDIS3_REG, PERI_UFS_BIT);
 	do {
 		data = mmio_read_32(CRG_PERRSTSTAT3_REG);
 	} while (data & PERI_UFS_BIT);
 }

 static void hikey960_ufs_init(void)
 {
 	dw_ufs_params_t ufs_params;

 	memset(&ufs_params, 0, sizeof(ufs_params));
 	ufs_params.reg_base = UFS_REG_BASE;
 	ufs_params.desc_base = HIKEY960_UFS_DESC_BASE;
 	ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE;

 	if ((ufs_params.flags & UFS_FLAGS_SKIPINIT) == 0)
 		hikey960_ufs_reset();
 	dw_ufs_init(&ufs_params);
 }

 /*
  * Function which will perform any remaining platform-specific setup that can
  * occur after the MMU and data cache have been enabled.
  */
 void bl1_platform_setup(void)
 {
 	hikey960_clk_init();
 	hikey960_pmu_init();
 	hikey960_regulator_enable();
 	hikey960_tzc_init();
 	hikey960_peri_init();
 	hikey960_ufs_init();
 	hikey960_pinmux_init();
 	hikey960_gpio_init();
 	hikey960_io_setup();
 }

 /*
  * The following function checks if Firmware update is needed,
  * by checking if TOC in FIP image is valid or not.
  */
 unsigned int bl1_plat_get_next_image_id(void)
 {
 	unsigned int mode, ret;

 	mode = mmio_read_32(SCTRL_BAK_DATA0_REG);
 	switch (mode & BOOT_MODE_MASK) {
 	case BOOT_MODE_RECOVERY:
 		ret = NS_BL1U_IMAGE_ID;
 		break;
 	default:
 		WARN("Invalid boot mode is found:%d\n", mode);
 		panic();
 	}
 	return ret;
 }

 image_desc_t *bl1_plat_get_image_desc(unsigned int image_id)
 {
 	unsigned int index = 0;

 	while (bl1_tbbr_image_descs[index].image_id != INVALID_IMAGE_ID) {
 		if (bl1_tbbr_image_descs[index].image_id == image_id)
 			return &bl1_tbbr_image_descs[index];
 		index++;
 	}

 	return NULL;
 }

 void bl1_plat_set_ep_info(unsigned int image_id,
 		entry_point_info_t *ep_info)
 {
 	unsigned int data = 0;
 	uintptr_t tmp = HIKEY960_NS_TMP_OFFSET;

 	if (image_id != NS_BL1U_IMAGE_ID)
 		panic();
 	/* Copy NS BL1U from 0x1AC1_8000 to 0x1AC9_8000 */
 	memcpy((void *)tmp, (void *)HIKEY960_NS_IMAGE_OFFSET,
 		NS_BL1U_SIZE);
 	memcpy((void *)NS_BL1U_BASE, (void *)tmp, NS_BL1U_SIZE);
 	inv_dcache_range(NS_BL1U_BASE, NS_BL1U_SIZE);
 	/* Initialize the GIC driver, cpu and distributor interfaces */
 	gicv2_driver_init(&hikey960_gic_data);
 	gicv2_distif_init();
 	gicv2_pcpu_distif_init();
 	gicv2_cpuif_enable();
 	/* CNTFRQ is read-only in EL1 */
 	write_cntfrq_el0(plat_get_syscnt_freq2());
 	data = read_cpacr_el1();
 	do {
 		data |= 3 << 20;
 		write_cpacr_el1(data);
 		data = read_cpacr_el1();
 	} while ((data & (3 << 20)) != (3 << 20));
 	INFO("cpacr_el1:0x%x\n", data);

 	ep_info->args.arg0 = 0xffff & read_mpidr();
 	ep_info->spsr = SPSR_64(MODE_EL1, MODE_SP_ELX,
 				DISABLE_ALL_EXCEPTIONS);
 }
	/*
	* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
	*
	* SPDX-License-Identifier: BSD-3-Clause
	*/

	#include <arch_helpers.h>
	#include <arm_gic.h>
	#include <assert.h>
	#include <bl_common.h>
	#include <console.h>
	#include <debug.h>
	#include <delay_timer.h>
	#include <dw_ufs.h>
	#include <errno.h>
	#include <generic_delay_timer.h>
	#include <gicv2.h>
	#include <hi3660.h>
	#include <mmio.h>
	#include <platform.h>
	#include <platform_def.h>
	#include <string.h>
	#include <tbbr/tbbr_img_desc.h>
	#include <ufs.h>

	#include "../../bl1/bl1_private.h"
	#include "hikey960_def.h"
	#include "hikey960_private.h"

	enum {
	BOOT_MODE_RECOVERY = 0,
	BOOT_MODE_NORMAL,
	BOOT_MODE_MASK = 1,
	};

	/*
	* Declarations of linker defined symbols which will help us find the layout
	* of trusted RAM
	*/

	/* Data structure which holds the extents of the trusted RAM for BL1 */
	static meminfo_t bl1_tzram_layout;

	/******************************************************************************
	* On a GICv2 system, the Group 1 secure interrupts are treated as Group 0
	* interrupts.
	*****************************************************************************/
	const unsigned int g0_interrupt_array[] = {
	IRQ_SEC_PHY_TIMER,
	IRQ_SEC_SGI_0
	};

	const gicv2_driver_data_t hikey960_gic_data = {
	.gicd_base = GICD_REG_BASE,
	.gicc_base = GICC_REG_BASE,
	.g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array),
	.g0_interrupt_array = g0_interrupt_array,
	};

	meminfo_t *bl1_plat_sec_mem_layout(void)
	{
	return &bl1_tzram_layout;
	}

	/*******************************************************************************
	* Function that takes a memory layout into which BL2 has been loaded and
	* populates a new memory layout for BL2 that ensures that BL1's data sections
	* resident in secure RAM are not visible to BL2.
	******************************************************************************/
	void bl1_init_bl2_mem_layout(const meminfo_t *bl1_mem_layout,
	meminfo_t *bl2_mem_layout)
	{

	assert(bl1_mem_layout != NULL);
	assert(bl2_mem_layout != NULL);

	/*
	* Cannot remove BL1 RW data from the scope of memory visible to BL2
	* like arm platforms because they overlap in hikey960
	*/
	bl2_mem_layout->total_base = BL2_BASE;
	bl2_mem_layout->total_size = NS_BL1U_LIMIT - BL2_BASE;

	flush_dcache_range((unsigned long)bl2_mem_layout, sizeof(meminfo_t));
	}

	/*
	* Perform any BL1 specific platform actions.
	*/
	void bl1_early_platform_setup(void)
	{
	unsigned int id, uart_base;

	generic_delay_timer_init();
	hikey960_read_boardid(&id);
	if (id == 5300)
	uart_base = PL011_UART5_BASE;
	else
	uart_base = PL011_UART6_BASE;
	/* Initialize the console to provide early debug support */
	console_init(uart_base, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);

	/* Allow BL1 to see the whole Trusted RAM */
	bl1_tzram_layout.total_base = BL1_RW_BASE;
	bl1_tzram_layout.total_size = BL1_RW_SIZE;

	INFO("BL1: 0x%lx - 0x%lx [size = %lu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT,
	BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
	}

	/*
	* Perform the very early platform specific architecture setup here. At the
	* moment this only does basic initialization. Later architectural setup
	* (bl1_arch_setup()) does not do anything platform specific.
	*/
	void bl1_plat_arch_setup(void)
	{
	hikey960_init_mmu_el3(bl1_tzram_layout.total_base,
	bl1_tzram_layout.total_size,
	BL1_RO_BASE,
	BL1_RO_LIMIT,
	BL_COHERENT_RAM_BASE,
	BL_COHERENT_RAM_END);
	}

	static void hikey960_ufs_reset(void)
	{
	unsigned int data, mask;

	mmio_write_32(CRG_PERDIS7_REG, 1 << 14);
	mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN);
	do {
	data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG);
	} while (data & BIT_SYSCTRL_REF_CLOCK_EN);
	/* use abb clk */
	mmio_clrbits_32(UFS_SYS_UFS_SYSCTRL_REG, BIT_UFS_REFCLK_SRC_SE1);
	mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_REFCLK_ISO_EN);
	mmio_write_32(PCTRL_PERI_CTRL3_REG, (1 << 0) \| (1 << 16));
	mdelay(1);
	mmio_write_32(CRG_PEREN7_REG, 1 << 14);
	mmio_setbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN);

	mmio_write_32(CRG_PERRSTEN3_REG, PERI_UFS_BIT);
	do {
	data = mmio_read_32(CRG_PERRSTSTAT3_REG);
	} while ((data & PERI_UFS_BIT) == 0);
	mmio_setbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_MTCMOS_EN);
	mdelay(1);
	mmio_setbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_PWR_READY);
	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
	MASK_UFS_DEVICE_RESET);
	/* clear SC_DIV_UFS_PERIBUS */
	mask = SC_DIV_UFS_PERIBUS << 16;
	mmio_write_32(CRG_CLKDIV17_REG, mask);
	/* set SC_DIV_UFSPHY_CFG(3) */
	mask = SC_DIV_UFSPHY_CFG_MASK << 16;
	data = SC_DIV_UFSPHY_CFG(3);
	mmio_write_32(CRG_CLKDIV16_REG, mask \| data);
	data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG);
	data &= ~MASK_SYSCTRL_CFG_CLOCK_FREQ;
	data \|= 0x39;
	mmio_write_32(UFS_SYS_PHY_CLK_CTRL_REG, data);
	mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, MASK_SYSCTRL_REF_CLOCK_SEL);
	mmio_setbits_32(UFS_SYS_CLOCK_GATE_BYPASS_REG,
	MASK_UFS_CLK_GATE_BYPASS);
	mmio_setbits_32(UFS_SYS_UFS_SYSCTRL_REG, MASK_UFS_SYSCTRL_BYPASS);

	mmio_setbits_32(UFS_SYS_PSW_CLK_CTRL_REG, BIT_SYSCTRL_PSW_CLK_EN);
	mmio_clrbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_ISO_CTRL);
	mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_PHY_ISO_CTRL);
	mmio_clrbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_LP_ISOL_EN);
	mmio_write_32(CRG_PERRSTDIS3_REG, PERI_ARST_UFS_BIT);
	mmio_setbits_32(UFS_SYS_RESET_CTRL_EN_REG, BIT_SYSCTRL_LP_RESET_N);
	mdelay(1);
	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
	MASK_UFS_DEVICE_RESET \| BIT_UFS_DEVICE_RESET);
	mdelay(20);
	mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG,
	0x03300330);

	mmio_write_32(CRG_PERRSTDIS3_REG, PERI_UFS_BIT);
	do {
	data = mmio_read_32(CRG_PERRSTSTAT3_REG);
	} while (data & PERI_UFS_BIT);
	}

	static void hikey960_ufs_init(void)
	{
	dw_ufs_params_t ufs_params;

	memset(&ufs_params, 0, sizeof(ufs_params));
	ufs_params.reg_base = UFS_REG_BASE;
	ufs_params.desc_base = HIKEY960_UFS_DESC_BASE;
	ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE;

	if ((ufs_params.flags & UFS_FLAGS_SKIPINIT) == 0)
	hikey960_ufs_reset();
	dw_ufs_init(&ufs_params);
	}

	/*
	* Function which will perform any remaining platform-specific setup that can
	* occur after the MMU and data cache have been enabled.
	*/
	void bl1_platform_setup(void)
	{
	hikey960_clk_init();
	hikey960_pmu_init();
	hikey960_regulator_enable();
	hikey960_tzc_init();
	hikey960_peri_init();
	hikey960_ufs_init();
	hikey960_pinmux_init();
	hikey960_gpio_init();
	hikey960_io_setup();
	}

	/*
	* The following function checks if Firmware update is needed,
	* by checking if TOC in FIP image is valid or not.
	*/
	unsigned int bl1_plat_get_next_image_id(void)
	{
	unsigned int mode, ret;

	mode = mmio_read_32(SCTRL_BAK_DATA0_REG);
	switch (mode & BOOT_MODE_MASK) {
	case BOOT_MODE_RECOVERY:
	ret = NS_BL1U_IMAGE_ID;
	break;
	default:
	WARN("Invalid boot mode is found:%d\n", mode);
	panic();
	}
	return ret;
	}

	image_desc_t *bl1_plat_get_image_desc(unsigned int image_id)
	{
	unsigned int index = 0;

	while (bl1_tbbr_image_descs[index].image_id != INVALID_IMAGE_ID) {
	if (bl1_tbbr_image_descs[index].image_id == image_id)
	return &bl1_tbbr_image_descs[index];
	index++;
	}

	return NULL;
	}

	void bl1_plat_set_ep_info(unsigned int image_id,
	entry_point_info_t *ep_info)
	{
	unsigned int data = 0;
	uintptr_t tmp = HIKEY960_NS_TMP_OFFSET;

	if (image_id != NS_BL1U_IMAGE_ID)
	panic();
	/* Copy NS BL1U from 0x1AC1_8000 to 0x1AC9_8000 */
	memcpy((void )tmp, (void )HIKEY960_NS_IMAGE_OFFSET,
	NS_BL1U_SIZE);
	memcpy((void )NS_BL1U_BASE, (void )tmp, NS_BL1U_SIZE);
	inv_dcache_range(NS_BL1U_BASE, NS_BL1U_SIZE);
	/* Initialize the GIC driver, cpu and distributor interfaces */
	gicv2_driver_init(&hikey960_gic_data);
	gicv2_distif_init();
	gicv2_pcpu_distif_init();
	gicv2_cpuif_enable();
	/* CNTFRQ is read-only in EL1 */
	write_cntfrq_el0(plat_get_syscnt_freq2());
	data = read_cpacr_el1();
	do {
	data \|= 3 << 20;
	write_cpacr_el1(data);
	data = read_cpacr_el1();
	} while ((data & (3 << 20)) != (3 << 20));
	INFO("cpacr_el1:0x%x\n", data);

	ep_info->args.arg0 = 0xffff & read_mpidr();
	ep_info->spsr = SPSR_64(MODE_EL1, MODE_SP_ELX,
	DISABLE_ALL_EXCEPTIONS);
	}