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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_plat serial_plat = {
- .base = HI3660_UART6_BASE,
- .type = TYPE_PL011,
- .clock = 19200000
- };
- U_BOOT_DEVICE(hikey960_serial0) = {
- .name = "serial_pl01x",
- .plat = &serial_plat,
- };
- #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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