blob: 35d76921dc7dbdd253d1da30e9c1cab930b1df8d [file] [log] [blame]
/*
* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <platform_def.h>
#include <arch_helpers.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <common/desc_image_load.h>
#include <drivers/arm/pl011.h>
#include <drivers/delay_timer.h>
#include <drivers/dw_ufs.h>
#include <drivers/generic_delay_timer.h>
#include <drivers/partition/partition.h>
#include <drivers/ufs.h>
#include <lib/mmio.h>
#ifdef SPD_opteed
#include <lib/optee_utils.h>
#endif
#include <hi3660.h>
#include "hikey960_def.h"
#include "hikey960_private.h"
#define BL2_RW_BASE (BL_CODE_END)
static meminfo_t bl2_el3_tzram_layout;
static console_pl011_t console;
extern int load_lpm3(void);
enum {
BOOT_MODE_RECOVERY = 0,
BOOT_MODE_NORMAL,
BOOT_MODE_MASK = 1,
};
/*******************************************************************************
* Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol.
* Return 0 on success, -1 otherwise.
******************************************************************************/
int plat_hikey960_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info)
{
int i;
int *buf;
assert(scp_bl2_image_info->image_size < SCP_BL2_SIZE);
INFO("BL2: Initiating SCP_BL2 transfer to SCP\n");
INFO("BL2: SCP_BL2: 0x%lx@0x%x\n",
scp_bl2_image_info->image_base,
scp_bl2_image_info->image_size);
buf = (int *)scp_bl2_image_info->image_base;
INFO("BL2: SCP_BL2 HEAD:\n");
for (i = 0; i < 64; i += 4)
INFO("BL2: SCP_BL2 0x%x 0x%x 0x%x 0x%x\n",
buf[i], buf[i+1], buf[i+2], buf[i+3]);
buf = (int *)(scp_bl2_image_info->image_base +
scp_bl2_image_info->image_size - 256);
INFO("BL2: SCP_BL2 TAIL:\n");
for (i = 0; i < 64; i += 4)
INFO("BL2: SCP_BL2 0x%x 0x%x 0x%x 0x%x\n",
buf[i], buf[i+1], buf[i+2], buf[i+3]);
INFO("BL2: SCP_BL2 transferred to SCP\n");
load_lpm3();
(void)buf;
return 0;
}
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_init_ufs(void)
{
dw_ufs_params_t ufs_params;
memset(&ufs_params, 0, sizeof(ufs_params_t));
ufs_params.reg_base = UFS_REG_BASE;
ufs_params.desc_base = HIKEY960_UFS_DESC_BASE;
ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE;
hikey960_ufs_reset();
dw_ufs_init(&ufs_params);
}
/*******************************************************************************
* Gets SPSR for BL32 entry
******************************************************************************/
uint32_t hikey960_get_spsr_for_bl32_entry(void)
{
/*
* The Secure Payload Dispatcher service is responsible for
* setting the SPSR prior to entry into the BL3-2 image.
*/
return 0;
}
/*******************************************************************************
* Gets SPSR for BL33 entry
******************************************************************************/
#ifdef __aarch64__
uint32_t hikey960_get_spsr_for_bl33_entry(void)
{
unsigned int mode;
uint32_t spsr;
/* Figure out what mode we enter the non-secure world in */
mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#else
uint32_t hikey960_get_spsr_for_bl33_entry(void)
{
unsigned int hyp_status, mode, spsr;
hyp_status = GET_VIRT_EXT(read_id_pfr1());
mode = (hyp_status) ? MODE32_hyp : MODE32_svc;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1,
SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#endif /* __aarch64__ */
int hikey960_bl2_handle_post_image_load(unsigned int image_id)
{
int err = 0;
bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
#ifdef SPD_opteed
bl_mem_params_node_t *pager_mem_params = NULL;
bl_mem_params_node_t *paged_mem_params = NULL;
#endif
assert(bl_mem_params);
switch (image_id) {
#ifdef __aarch64__
case BL32_IMAGE_ID:
#ifdef SPD_opteed
pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID);
assert(pager_mem_params);
paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID);
assert(paged_mem_params);
err = parse_optee_header(&bl_mem_params->ep_info,
&pager_mem_params->image_info,
&paged_mem_params->image_info);
if (err != 0) {
WARN("OPTEE header parse error.\n");
}
#endif
bl_mem_params->ep_info.spsr = hikey960_get_spsr_for_bl32_entry();
break;
#endif
case BL33_IMAGE_ID:
/* BL33 expects to receive the primary CPU MPID (through r0) */
bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
bl_mem_params->ep_info.spsr = hikey960_get_spsr_for_bl33_entry();
break;
#ifdef SCP_BL2_BASE
case SCP_BL2_IMAGE_ID:
/* The subsequent handling of SCP_BL2 is platform specific */
err = plat_hikey960_bl2_handle_scp_bl2(&bl_mem_params->image_info);
if (err) {
WARN("Failure in platform-specific handling of SCP_BL2 image.\n");
}
break;
#endif
default:
/* Do nothing in default case */
break;
}
return err;
}
/*******************************************************************************
* This function can be used by the platforms to update/use image
* information for given `image_id`.
******************************************************************************/
int bl2_plat_handle_pre_image_load(unsigned int image_id)
{
return hikey960_set_fip_addr(image_id, "fip");
}
int bl2_plat_handle_post_image_load(unsigned int image_id)
{
return hikey960_bl2_handle_post_image_load(image_id);
}
void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2,
u_register_t arg3, u_register_t arg4)
{
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_pl011_register(uart_base, PL011_UART_CLK_IN_HZ,
PL011_BAUDRATE, &console);
/*
* Allow BL2 to see the whole Trusted RAM.
*/
bl2_el3_tzram_layout.total_base = BL2_RW_BASE;
bl2_el3_tzram_layout.total_size = BL31_LIMIT - BL2_RW_BASE;
}
void bl2_el3_plat_arch_setup(void)
{
hikey960_init_mmu_el3(bl2_el3_tzram_layout.total_base,
bl2_el3_tzram_layout.total_size,
BL_CODE_BASE,
BL_CODE_END,
BL_COHERENT_RAM_BASE,
BL_COHERENT_RAM_END);
}
void bl2_platform_setup(void)
{
/* disable WDT0 */
if (mmio_read_32(WDT0_REG_BASE + WDT_LOCK_OFFSET) == WDT_LOCKED) {
mmio_write_32(WDT0_REG_BASE + WDT_LOCK_OFFSET, WDT_UNLOCK);
mmio_write_32(WDT0_REG_BASE + WDT_CONTROL_OFFSET, 0);
mmio_write_32(WDT0_REG_BASE + WDT_LOCK_OFFSET, 0);
}
hikey960_clk_init();
hikey960_pmu_init();
hikey960_regulator_enable();
hikey960_tzc_init();
hikey960_peri_init();
hikey960_pinmux_init();
hikey960_gpio_init();
hikey960_init_ufs();
hikey960_io_setup();
}