blob: a92857659102dd921cc2b6872d9a03c1f08ef273 [file] [log] [blame]
/*
* 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);
}