/*
* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <assert.h>
#include <bl_common.h>
#include <console.h>
#include <debug.h>
#include <desc_image_load.h>
#include <dw_mmc.h>
#include <emmc.h>
#include <errno.h>
#include <gpio.h>
#include <hi6220.h>
#include <hi6553.h>
#include <hisi_mcu.h>
#include <hisi_sram_map.h>
#include <mmio.h>
#ifdef SPD_opteed
#include <optee_utils.h>
#endif
#include <pl061_gpio.h>
#include <platform.h>
#include <platform_def.h>
#include <sp804_delay_timer.h>
#include <string.h>
#include "hikey_def.h"
#include "hikey_private.h"
/*
* The next 2 constants identify the extents of the code & RO data region.
* These addresses are used by the MMU setup code and therefore they must be
* page-aligned. It is the responsibility of the linker script to ensure that
* __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses.
*/
#define BL2_RO_BASE (unsigned long)(&__RO_START__)
#define BL2_RO_LIMIT (unsigned long)(&__RO_END__)
#define BL2_RW_BASE (BL2_RO_LIMIT)
/*
* The next 2 constants identify the extents of the coherent memory region.
* These addresses are used by the MMU setup code and therefore they must be
* page-aligned. It is the responsibility of the linker script to ensure that
* __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
* page-aligned addresses.
*/
#define BL2_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
#define BL2_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
static meminfo_t bl2_el3_tzram_layout;
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_hikey_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info)
{
/* Enable MCU SRAM */
hisi_mcu_enable_sram();
/* Load MCU binary into SRAM */
hisi_mcu_load_image(scp_bl2_image_info->image_base,
scp_bl2_image_info->image_size);
/* Let MCU running */
hisi_mcu_start_run();
INFO("%s: MCU PC is at 0x%x\n",
__func__, mmio_read_32(AO_SC_MCU_SUBSYS_STAT2));
INFO("%s: AO_SC_PERIPH_CLKSTAT4 is 0x%x\n",
__func__, mmio_read_32(AO_SC_PERIPH_CLKSTAT4));
return 0;
}
/*******************************************************************************
* Gets SPSR for BL32 entry
******************************************************************************/
uint32_t hikey_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
******************************************************************************/
#ifndef AARCH32
uint32_t hikey_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) ? 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 hikey_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 /* AARCH32 */
int hikey_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 = hikey_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 = hikey_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_hikey_bl2_handle_scp_bl2(&bl_mem_params->image_info);
if (err) {
WARN("Failure in platform-specific handling of SCP_BL2 image.\n");
}
break;
#endif
}
return err;
}
/*******************************************************************************
* This function can be used by the platforms to update/use image
* information for given `image_id`.
******************************************************************************/
int bl2_plat_handle_post_image_load(unsigned int image_id)
{
return hikey_bl2_handle_post_image_load(image_id);
}
static void reset_dwmmc_clk(void)
{
unsigned int data;
/* disable mmc0 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (data & PERI_CLK0_MMC0);
/* enable mmc0 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (!(data & PERI_CLK0_MMC0));
/* reset mmc0 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC0);
/* bypass mmc0 clock phase */
data = mmio_read_32(PERI_SC_PERIPH_CTRL2);
data |= 3;
mmio_write_32(PERI_SC_PERIPH_CTRL2, data);
/* disable low power */
data = mmio_read_32(PERI_SC_PERIPH_CTRL13);
data |= 1 << 3;
mmio_write_32(PERI_SC_PERIPH_CTRL13, data);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (!(data & PERI_RST0_MMC0));
/* unreset mmc0 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (data & PERI_RST0_MMC0);
}
static void hikey_boardid_init(void)
{
u_register_t midr;
midr = read_midr();
mmio_write_32(MEMORY_AXI_CHIP_ADDR, midr);
INFO("[BDID] [%x] midr: 0x%x\n", MEMORY_AXI_CHIP_ADDR,
(unsigned int)midr);
mmio_write_32(MEMORY_AXI_BOARD_TYPE_ADDR, 0);
mmio_write_32(MEMORY_AXI_BOARD_ID_ADDR, 0x2b);
mmio_write_32(ACPU_ARM64_FLAGA, 0x1234);
mmio_write_32(ACPU_ARM64_FLAGB, 0x5678);
}
static void hikey_sd_init(void)
{
/* switch pinmux to SD */
mmio_write_32(IOMG_SD_CLK, IOMG_MUX_FUNC0);
mmio_write_32(IOMG_SD_CMD, IOMG_MUX_FUNC0);
mmio_write_32(IOMG_SD_DATA0, IOMG_MUX_FUNC0);
mmio_write_32(IOMG_SD_DATA1, IOMG_MUX_FUNC0);
mmio_write_32(IOMG_SD_DATA2, IOMG_MUX_FUNC0);
mmio_write_32(IOMG_SD_DATA3, IOMG_MUX_FUNC0);
mmio_write_32(IOCG_SD_CLK, IOCG_INPUT_16MA);
mmio_write_32(IOCG_SD_CMD, IOCG_INPUT_12MA);
mmio_write_32(IOCG_SD_DATA0, IOCG_INPUT_12MA);
mmio_write_32(IOCG_SD_DATA1, IOCG_INPUT_12MA);
mmio_write_32(IOCG_SD_DATA2, IOCG_INPUT_12MA);
mmio_write_32(IOCG_SD_DATA3, IOCG_INPUT_12MA);
/* set SD Card detect as nopull */
mmio_write_32(IOCG_GPIO8, 0);
}
static void hikey_jumper_init(void)
{
/* set jumper detect as nopull */
mmio_write_32(IOCG_GPIO24, 0);
/* set jumper detect as GPIO */
mmio_write_32(IOMG_GPIO24, IOMG_MUX_FUNC0);
}
static void hikey_sp804_init(void)
{
uint32_t data;
/* select the clock of dual timer0 */
data = mmio_read_32(AO_SC_TIMER_EN0);
while (data & 3) {
data &= ~3;
data |= 3 << 16;
mmio_write_32(AO_SC_TIMER_EN0, data);
data = mmio_read_32(AO_SC_TIMER_EN0);
}
/* enable the pclk of dual timer0 */
data = mmio_read_32(AO_SC_PERIPH_CLKSTAT4);
while (!(data & PCLK_TIMER1) || !(data & PCLK_TIMER0)) {
mmio_write_32(AO_SC_PERIPH_CLKEN4, PCLK_TIMER1 | PCLK_TIMER0);
data = mmio_read_32(AO_SC_PERIPH_CLKSTAT4);
}
/* reset dual timer0 */
data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
mmio_write_32(AO_SC_PERIPH_RSTEN4, PCLK_TIMER1 | PCLK_TIMER0);
do {
data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
} while (!(data & PCLK_TIMER1) || !(data & PCLK_TIMER0));
/* unreset dual timer0 */
mmio_write_32(AO_SC_PERIPH_RSTDIS4, PCLK_TIMER1 | PCLK_TIMER0);
do {
data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
} while ((data & PCLK_TIMER1) || (data & PCLK_TIMER0));
sp804_timer_init(SP804_TIMER0_BASE, 10, 192);
}
static void hikey_gpio_init(void)
{
pl061_gpio_init();
pl061_gpio_register(GPIO0_BASE, 0);
pl061_gpio_register(GPIO1_BASE, 1);
pl061_gpio_register(GPIO2_BASE, 2);
pl061_gpio_register(GPIO3_BASE, 3);
pl061_gpio_register(GPIO4_BASE, 4);
pl061_gpio_register(GPIO5_BASE, 5);
pl061_gpio_register(GPIO6_BASE, 6);
pl061_gpio_register(GPIO7_BASE, 7);
pl061_gpio_register(GPIO8_BASE, 8);
pl061_gpio_register(GPIO9_BASE, 9);
pl061_gpio_register(GPIO10_BASE, 10);
pl061_gpio_register(GPIO11_BASE, 11);
pl061_gpio_register(GPIO12_BASE, 12);
pl061_gpio_register(GPIO13_BASE, 13);
pl061_gpio_register(GPIO14_BASE, 14);
pl061_gpio_register(GPIO15_BASE, 15);
pl061_gpio_register(GPIO16_BASE, 16);
pl061_gpio_register(GPIO17_BASE, 17);
pl061_gpio_register(GPIO18_BASE, 18);
pl061_gpio_register(GPIO19_BASE, 19);
/* Power on indicator LED (USER_LED1). */
gpio_set_direction(32, GPIO_DIR_OUT); /* LED1 */
gpio_set_value(32, GPIO_LEVEL_HIGH);
gpio_set_direction(33, GPIO_DIR_OUT); /* LED2 */
gpio_set_value(33, GPIO_LEVEL_LOW);
gpio_set_direction(34, GPIO_DIR_OUT); /* LED3 */
gpio_set_direction(35, GPIO_DIR_OUT); /* LED4 */
}
static void hikey_pmussi_init(void)
{
uint32_t data;
/* Initialize PWR_HOLD GPIO */
gpio_set_direction(0, GPIO_DIR_OUT);
gpio_set_value(0, GPIO_LEVEL_LOW);
/*
* After reset, PMUSSI stays in reset mode.
* Now make it out of reset.
*/
mmio_write_32(AO_SC_PERIPH_RSTDIS4,
AO_SC_PERIPH_RSTDIS4_PRESET_PMUSSI_N);
do {
data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
} while (data & AO_SC_PERIPH_RSTDIS4_PRESET_PMUSSI_N);
/* Set PMUSSI clock latency for read operation. */
data = mmio_read_32(AO_SC_MCU_SUBSYS_CTRL3);
data &= ~AO_SC_MCU_SUBSYS_CTRL3_RCLK_MASK;
data |= AO_SC_MCU_SUBSYS_CTRL3_RCLK_3;
mmio_write_32(AO_SC_MCU_SUBSYS_CTRL3, data);
/* enable PMUSSI clock */
data = AO_SC_PERIPH_CLKEN5_PCLK_PMUSSI_CCPU |
AO_SC_PERIPH_CLKEN5_PCLK_PMUSSI_MCU;
mmio_write_32(AO_SC_PERIPH_CLKEN5, data);
data = AO_SC_PERIPH_CLKEN4_PCLK_PMUSSI;
mmio_write_32(AO_SC_PERIPH_CLKEN4, data);
gpio_set_value(0, GPIO_LEVEL_HIGH);
}
static void hikey_hi6553_init(void)
{
uint8_t data;
mmio_write_8(HI6553_PERI_EN_MARK, 0x1e);
mmio_write_8(HI6553_NP_REG_ADJ1, 0);
data = DISABLE6_XO_CLK_CONN | DISABLE6_XO_CLK_NFC |
DISABLE6_XO_CLK_RF1 | DISABLE6_XO_CLK_RF2;
mmio_write_8(HI6553_DISABLE6_XO_CLK, data);
/* configure BUCK0 & BUCK1 */
mmio_write_8(HI6553_BUCK01_CTRL2, 0x5e);
mmio_write_8(HI6553_BUCK0_CTRL7, 0x10);
mmio_write_8(HI6553_BUCK1_CTRL7, 0x10);
mmio_write_8(HI6553_BUCK0_CTRL5, 0x1e);
mmio_write_8(HI6553_BUCK1_CTRL5, 0x1e);
mmio_write_8(HI6553_BUCK0_CTRL1, 0xfc);
mmio_write_8(HI6553_BUCK1_CTRL1, 0xfc);
/* configure BUCK2 */
mmio_write_8(HI6553_BUCK2_REG1, 0x4f);
mmio_write_8(HI6553_BUCK2_REG5, 0x99);
mmio_write_8(HI6553_BUCK2_REG6, 0x45);
mdelay(1);
mmio_write_8(HI6553_VSET_BUCK2_ADJ, 0x22);
mdelay(1);
/* configure BUCK3 */
mmio_write_8(HI6553_BUCK3_REG3, 0x02);
mmio_write_8(HI6553_BUCK3_REG5, 0x99);
mmio_write_8(HI6553_BUCK3_REG6, 0x41);
mmio_write_8(HI6553_VSET_BUCK3_ADJ, 0x02);
mdelay(1);
/* configure BUCK4 */
mmio_write_8(HI6553_BUCK4_REG2, 0x9a);
mmio_write_8(HI6553_BUCK4_REG5, 0x99);
mmio_write_8(HI6553_BUCK4_REG6, 0x45);
/* configure LDO20 */
mmio_write_8(HI6553_LDO20_REG_ADJ, 0x50);
mmio_write_8(HI6553_NP_REG_CHG, 0x0f);
mmio_write_8(HI6553_CLK_TOP0, 0x06);
mmio_write_8(HI6553_CLK_TOP3, 0xc0);
mmio_write_8(HI6553_CLK_TOP4, 0x00);
/* configure LDO7 & LDO10 for SD slot */
/* enable LDO7 */
data = mmio_read_8(HI6553_LDO7_REG_ADJ);
data = (data & 0xf8) | 0x2;
mmio_write_8(HI6553_LDO7_REG_ADJ, data);
mdelay(5);
mmio_write_8(HI6553_ENABLE2_LDO1_8, 1 << 6);
mdelay(5);
/* enable LDO10 */
data = mmio_read_8(HI6553_LDO10_REG_ADJ);
data = (data & 0xf8) | 0x5;
mmio_write_8(HI6553_LDO10_REG_ADJ, data);
mdelay(5);
mmio_write_8(HI6553_ENABLE3_LDO9_16, 1 << 1);
mdelay(5);
/* enable LDO15 */
data = mmio_read_8(HI6553_LDO15_REG_ADJ);
data = (data & 0xf8) | 0x4;
mmio_write_8(HI6553_LDO15_REG_ADJ, data);
mmio_write_8(HI6553_ENABLE3_LDO9_16, 1 << 6);
mdelay(5);
/* enable LDO19 */
data = mmio_read_8(HI6553_LDO19_REG_ADJ);
data |= 0x7;
mmio_write_8(HI6553_LDO19_REG_ADJ, data);
mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 2);
mdelay(5);
/* enable LDO21 */
data = mmio_read_8(HI6553_LDO21_REG_ADJ);
data = (data & 0xf8) | 0x3;
mmio_write_8(HI6553_LDO21_REG_ADJ, data);
mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 4);
mdelay(5);
/* enable LDO22 */
data = mmio_read_8(HI6553_LDO22_REG_ADJ);
data = (data & 0xf8) | 0x7;
mmio_write_8(HI6553_LDO22_REG_ADJ, data);
mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 5);
mdelay(5);
/* select 32.764KHz */
mmio_write_8(HI6553_CLK19M2_600_586_EN, 0x01);
/* Disable vbus_det interrupts */
data = mmio_read_8(HI6553_IRQ2_MASK);
data = data | 0x3;
mmio_write_8(HI6553_IRQ2_MASK, data);
}
static void init_mmc0_pll(void)
{
unsigned int data;
/* select SYSPLL as the source of MMC0 */
/* select SYSPLL as the source of MUX1 (SC_CLK_SEL0) */
mmio_write_32(PERI_SC_CLK_SEL0, 1 << 5 | 1 << 21);
do {
data = mmio_read_32(PERI_SC_CLK_SEL0);
} while (!(data & (1 << 5)));
/* select MUX1 as the source of MUX2 (SC_CLK_SEL0) */
mmio_write_32(PERI_SC_CLK_SEL0, 1 << 29);
do {
data = mmio_read_32(PERI_SC_CLK_SEL0);
} while (data & (1 << 13));
mmio_write_32(PERI_SC_PERIPH_CLKEN0, (1 << 0));
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (!(data & (1 << 0)));
data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
data |= 1 << 1;
mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
do {
mmio_write_32(PERI_SC_CLKCFG8BIT1, (1 << 7) | 0xb);
data = mmio_read_32(PERI_SC_CLKCFG8BIT1);
} while ((data & 0xb) != 0xb);
}
static void reset_mmc0_clk(void)
{
unsigned int data;
/* disable mmc0 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (data & PERI_CLK0_MMC0);
/* enable mmc0 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (!(data & PERI_CLK0_MMC0));
/* reset mmc0 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC0);
/* bypass mmc0 clock phase */
data = mmio_read_32(PERI_SC_PERIPH_CTRL2);
data |= 3;
mmio_write_32(PERI_SC_PERIPH_CTRL2, data);
/* disable low power */
data = mmio_read_32(PERI_SC_PERIPH_CTRL13);
data |= 1 << 3;
mmio_write_32(PERI_SC_PERIPH_CTRL13, data);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (!(data & PERI_RST0_MMC0));
/* unreset mmc0 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC0);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (data & PERI_RST0_MMC0);
}
static void init_media_clk(void)
{
unsigned int data, value;
data = mmio_read_32(PMCTRL_MEDPLLCTRL);
data |= 1;
mmio_write_32(PMCTRL_MEDPLLCTRL, data);
for (;;) {
data = mmio_read_32(PMCTRL_MEDPLLCTRL);
value = 1 << 28;
if ((data & value) == value)
break;
}
data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
data = 1 << 10;
mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
}
static void init_mmc1_pll(void)
{
uint32_t data;
/* select SYSPLL as the source of MMC1 */
/* select SYSPLL as the source of MUX1 (SC_CLK_SEL0) */
mmio_write_32(PERI_SC_CLK_SEL0, 1 << 11 | 1 << 27);
do {
data = mmio_read_32(PERI_SC_CLK_SEL0);
} while (!(data & (1 << 11)));
/* select MUX1 as the source of MUX2 (SC_CLK_SEL0) */
mmio_write_32(PERI_SC_CLK_SEL0, 1 << 30);
do {
data = mmio_read_32(PERI_SC_CLK_SEL0);
} while (data & (1 << 14));
mmio_write_32(PERI_SC_PERIPH_CLKEN0, (1 << 1));
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (!(data & (1 << 1)));
data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
data |= 1 << 2;
mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
do {
/* 1.2GHz / 50 = 24MHz */
mmio_write_32(PERI_SC_CLKCFG8BIT2, 0x31 | (1 << 7));
data = mmio_read_32(PERI_SC_CLKCFG8BIT2);
} while ((data & 0x31) != 0x31);
}
static void reset_mmc1_clk(void)
{
unsigned int data;
/* disable mmc1 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC1);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (data & PERI_CLK0_MMC1);
/* enable mmc1 bus clock */
mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC1);
do {
data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
} while (!(data & PERI_CLK0_MMC1));
/* reset mmc1 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC1);
/* bypass mmc1 clock phase */
data = mmio_read_32(PERI_SC_PERIPH_CTRL2);
data |= 3 << 2;
mmio_write_32(PERI_SC_PERIPH_CTRL2, data);
/* disable low power */
data = mmio_read_32(PERI_SC_PERIPH_CTRL13);
data |= 1 << 4;
mmio_write_32(PERI_SC_PERIPH_CTRL13, data);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (!(data & PERI_RST0_MMC1));
/* unreset mmc0 clock domain */
mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC1);
do {
data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
} while (data & PERI_RST0_MMC1);
}
/* Initialize PLL of both eMMC and SD controllers. */
static void hikey_mmc_pll_init(void)
{
init_mmc0_pll();
reset_mmc0_clk();
init_media_clk();
dsb();
init_mmc1_pll();
reset_mmc1_clk();
}
static void hikey_rtc_init(void)
{
uint32_t data;
data = mmio_read_32(AO_SC_PERIPH_CLKEN4);
data |= AO_SC_PERIPH_RSTDIS4_RESET_RTC0_N;
mmio_write_32(AO_SC_PERIPH_CLKEN4, data);
}
void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2,
u_register_t arg3, u_register_t arg4)
{
/* Initialize the console to provide early debug support */
console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);
/*
* 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)
{
hikey_init_mmu_el3(bl2_el3_tzram_layout.total_base,
bl2_el3_tzram_layout.total_size,
BL2_RO_BASE,
BL2_RO_LIMIT,
BL2_COHERENT_RAM_BASE,
BL2_COHERENT_RAM_LIMIT);
}
void bl2_platform_setup(void)
{
dw_mmc_params_t params;
hikey_sp804_init();
hikey_gpio_init();
hikey_pmussi_init();
hikey_hi6553_init();
dsb();
hikey_ddr_init();
hikey_security_setup();
/* Clear SRAM since it'll be used by MCU right now. */
memset((void *)SRAM_BASE, 0, SRAM_SIZE);
clean_dcache_range(SRAM_BASE, SRAM_SIZE);
hikey_boardid_init();
init_acpu_dvfs();
hikey_rtc_init();
hikey_sd_init();
hikey_jumper_init();
hikey_mmc_pll_init();
reset_dwmmc_clk();
memset(¶ms, 0, sizeof(dw_mmc_params_t));
params.reg_base = DWMMC0_BASE;
params.desc_base = HIKEY_MMC_DESC_BASE;
params.desc_size = 1 << 20;
params.clk_rate = 24 * 1000 * 1000;
params.bus_width = EMMC_BUS_WIDTH_8;
params.flags = EMMC_FLAG_CMD23;
dw_mmc_init(¶ms);
hikey_io_setup();
}
