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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2019 Linaro
* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
#include <common.h>
#include <cpu_func.h>
#include <dm.h>
#include <errno.h>
#include <asm/cache.h>
#include <init.h>
#include <asm/io.h>
#include <asm/arch/hi3660.h>
#include <asm/armv8/mmu.h>
#include <asm/psci.h>
#include <linux/arm-smccc.h>
#include <linux/delay.h>
#include <linux/psci.h>
#define PMIC_REG_TO_BUS_ADDR(x) (x << 2)
#define PMIC_VSEL_MASK 0x7
DECLARE_GLOBAL_DATA_PTR;
#if !CONFIG_IS_ENABLED(OF_CONTROL)
#include <dm/platform_data/serial_pl01x.h>
static const struct pl01x_serial_platdata serial_platdata = {
.base = HI3660_UART6_BASE,
.type = TYPE_PL011,
.clock = 19200000
};
U_BOOT_DEVICE(hikey960_serial0) = {
.name = "serial_pl01x",
.platdata = &serial_platdata,
};
#endif
static struct mm_region hikey_mem_map[] = {
{
.virt = 0x0UL, /* DDR */
.phys = 0x0UL,
.size = 0xC0000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
.virt = 0xE0000000UL, /* Peripheral block */
.phys = 0xE0000000UL,
.size = 0x20000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = hikey_mem_map;
int board_early_init_f(void)
{
return 0;
}
int misc_init_r(void)
{
return 0;
}
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = gd->ram_size;
return 0;
}
void hikey960_sd_init(void)
{
u32 data;
/* Enable FPLL0 */
data = readl(SCTRL_SCFPLLCTRL0);
data |= SCTRL_SCFPLLCTRL0_FPLL0_EN;
writel(data, SCTRL_SCFPLLCTRL0);
/* Configure LDO16 */
data = readl(PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x79)) &
PMIC_VSEL_MASK;
data |= 6;
writel(data, PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x79));
data = readl(PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x78));
data |= 2;
writel(data, PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x78));
udelay(100);
/* Configure LDO9 */
data = readl(PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x6b)) &
PMIC_VSEL_MASK;
data |= 5;
writel(data, PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x6b));
data = readl(PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x6a));
data |= 2;
writel(data, PMU_REG_BASE + PMIC_REG_TO_BUS_ADDR(0x6a));
udelay(100);
/* GPIO CD */
writel(0, PINMUX4_SDDET);
/* SD Pinconf */
writel(15 << 4, PINCONF3_SDCLK);
writel((1 << 0) | (8 << 4), PINCONF3_SDCMD);
writel((1 << 0) | (8 << 4), PINCONF3_SDDATA0);
writel((1 << 0) | (8 << 4), PINCONF3_SDDATA1);
writel((1 << 0) | (8 << 4), PINCONF3_SDDATA2);
writel((1 << 0) | (8 << 4), PINCONF3_SDDATA3);
/* Set SD clock mux */
do {
data = readl(CRG_REG_BASE + 0xb8);
data |= ((1 << 6) | (1 << 6 << 16) | (0 << 4) | (3 << 4 << 16));
writel(data, CRG_REG_BASE + 0xb8);
data = readl(CRG_REG_BASE + 0xb8);
} while ((data & ((1 << 6) | (3 << 4))) != ((1 << 6) | (0 << 4)));
/* Take SD out of reset */
writel(1 << 18, CRG_PERRSTDIS4);
do {
data = readl(CRG_PERRSTSTAT4);
} while ((data & (1 << 18)) == (1 << 18));
/* Enable hclk_gate_sd */
data = readl(CRG_REG_BASE + 0);
data |= (1 << 30);
writel(data, CRG_REG_BASE + 0);
/* Enable clk_andgt_mmc */
data = readl(CRG_REG_BASE + 0xf4);
data |= ((1 << 3) | (1 << 3 << 16));
writel(data, CRG_REG_BASE + 0xf4);
/* Enable clk_gate_sd */
data = readl(CRG_PEREN4);
data |= (1 << 17);
writel(data, CRG_PEREN4);
do {
data = readl(CRG_PERCLKEN4);
} while ((data & (1 << 17)) != (1 << 17));
}
static void show_psci_version(void)
{
struct arm_smccc_res res;
arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
printf("PSCI: v%ld.%ld\n",
PSCI_VERSION_MAJOR(res.a0),
PSCI_VERSION_MINOR(res.a0));
}
int board_init(void)
{
/* Init SD */
hikey960_sd_init();
show_psci_version();
return 0;
}
void reset_cpu(ulong addr)
{
psci_system_reset();
}
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