Add board support for StarFive VisionFive v2.
Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com --- board/starfive/visionfive2/MAINTAINERS | 7 ++ board/starfive/visionfive2/Makefile | 7 ++ board/starfive/visionfive2/spl.c | 119 ++++++++++++++++++ .../visionfive2/starfive_visionfive2.c | 39 ++++++ include/configs/starfive-visionfive2.h | 18 +++ 5 files changed, 190 insertions(+) create mode 100644 board/starfive/visionfive2/MAINTAINERS create mode 100644 board/starfive/visionfive2/Makefile create mode 100644 board/starfive/visionfive2/spl.c create mode 100644 board/starfive/visionfive2/starfive_visionfive2.c create mode 100644 include/configs/starfive-visionfive2.h
diff --git a/board/starfive/visionfive2/MAINTAINERS b/board/starfive/visionfive2/MAINTAINERS new file mode 100644 index 0000000000..c5369086d8 --- /dev/null +++ b/board/starfive/visionfive2/MAINTAINERS @@ -0,0 +1,7 @@ +STARFIVE JH7110 VISIONFIVE2 BOARD +M: startfive +S: Maintained +F: arch/riscv/include/asm/arch-jh7110/ +F: board/starfive/visionfive2/ +F: include/configs/starfive-visionfive2.h +F: configs/starfive_visionfive2_defconfig diff --git a/board/starfive/visionfive2/Makefile b/board/starfive/visionfive2/Makefile new file mode 100644 index 0000000000..66c854df39 --- /dev/null +++ b/board/starfive/visionfive2/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2022 StarFive Technology Co., Ltd. +# + +obj-y := starfive_visionfive2.o +obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/board/starfive/visionfive2/spl.c b/board/starfive/visionfive2/spl.c new file mode 100644 index 0000000000..473689eb71 --- /dev/null +++ b/board/starfive/visionfive2/spl.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + * + */ + +#include <common.h> +#include <asm/arch/jh7110-regs.h> +#include <asm/arch/spl.h> +#include <asm/io.h> +#include <log.h> +#include <spl.h> + +#define JH7110_CLK_CPU_ROOT_OFFSET 0x0U +#define JH7110_CLK_CPU_ROOT_SHIFT 24 +#define JH7110_CLK_CPU_ROOT_MASK GENMASK(29, 24) +#define JH7110_CLK_BUS_ROOT_OFFSET 0x14U +#define JH7110_CLK_BUS_ROOT_SHIFT 24 +#define JH7110_CLK_BUS_ROOT_MASK GENMASK(29, 24) +#define JH7110_CLK_PERH_ROOT_OFFSET 0x10U +#define JH7110_CLK_PERH_ROOT_SHIFT 24 +#define JH7110_CLK_PERH_ROOT_MASK GENMASK(29, 24) +#define JH7110_CLK_NOC_BUS_STG_AXI_OFFSET 0x180U +#define JH7110_CLK_NOC_BUS_STG_AXI_SHIFT 31 +#define JH7110_CLK_NOC_BUS_STG_AXI_MASK BIT(31) +#define JH7110_CLK_AON_APB_FUNC_OFFSET 0x4U +#define JH7110_CLK_AON_APB_FUNC_SHIFT 24 +#define JH7110_CLK_AON_APB_FUNC_MASK GENMASK(29, 24) +#define JH7110_CLK_QSPI_REF_OFFSET 0x168U +#define JH7110_CLK_QSPI_REF_SHIFT 24 +#define JH7110_CLK_QSPI_REF_MASK GENMASK(29, 24) + +#define SET_DIV(type, val) \ + clrsetbits_le32(JH7110_SYS_CRG + JH7110_CLK_##type##_OFFSET, \ + JH7110_CLK_##type##_MASK, \ + ((val) << JH7110_CLK_##type##_SHIFT) & JH7110_CLK_##type##_MASK) + +int spl_board_init_f(void) +{ + int ret; + + ret = spl_soc_init(); + if (ret) { + debug("JH7110 SPL init failed: %d\n", ret); + return ret; + } + + return 0; +} + +u32 spl_boot_device(void) +{ + u32 mode; + + mode = in_le32(JH7110_BOOT_MODE_SELECT_REG) + & JH7110_BOOT_MODE_SELECT_MASK; + switch (mode) { + case 0: + return BOOT_DEVICE_SPI; + + case 1: + return BOOT_DEVICE_MMC2; + + case 2: + return BOOT_DEVICE_MMC1; + + case 3: + return BOOT_DEVICE_UART; + + default: + debug("Unsupported boot device 0x%x.\n", mode); + return BOOT_DEVICE_NONE; + } +} + +void board_init_f(ulong dummy) +{ + int ret; + + ret = spl_early_init(); + if (ret) + panic("spl_early_init() failed: %d\n", ret); + + riscv_cpu_setup(NULL, NULL); + preloader_console_init(); + + /* select clk_pll0 by default */ + SET_DIV(CPU_ROOT, 1); + + /* select clk_pll2 by default */ + SET_DIV(BUS_ROOT, 1); + + /* select clk_pll2 by default */ + SET_DIV(PERH_ROOT, 1); + + SET_DIV(NOC_BUS_STG_AXI, 1); + + clrsetbits_le32(JH7110_AON_CRG + JH7110_CLK_AON_APB_FUNC_OFFSET, + JH7110_CLK_AON_APB_FUNC_MASK, + BIT(JH7110_CLK_AON_APB_FUNC_SHIFT)); + + /* select clk_pll0 by default */ + SET_DIV(QSPI_REF, 1); + + ret = spl_board_init_f(); + if (ret) { + debug("spl_board_init_f init failed: %d\n", ret); + return; + } +} + +#if CONFIG_IS_ENABLED(SPL_LOAD_FIT) +int board_fit_config_name_match(const char *name) +{ + /* boot using first FIT config */ + return 0; +} +#endif diff --git a/board/starfive/visionfive2/starfive_visionfive2.c b/board/starfive/visionfive2/starfive_visionfive2.c new file mode 100644 index 0000000000..ba7947a40e --- /dev/null +++ b/board/starfive/visionfive2/starfive_visionfive2.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + * + */ + +#include <common.h> +#include <asm/io.h> +#include <linux/bitops.h> + +#define JH7110_L2_PREFETCHER_BASE_ADDR 0x2030000 +#define JH7110_L2_PREFETCHER_HART_OFFSET 0x2000 + +/* enable U74-mc hart1~hart4 prefetcher */ +static void enable_prefetcher(void) +{ + u8 hart; + u32 *reg; + + /* JH7110 use U74MC CORE IP, it include five cores(one S7 and four U7), + * but only U7 cores support prefetcher configuration + */ + for (hart = 1; hart < 5; hart++) { + reg = (void *)(u64)(JH7110_L2_PREFETCHER_BASE_ADDR + + hart * JH7110_L2_PREFETCHER_HART_OFFSET); + + mb(); /* memory barrier */ + setbits_le32(reg, 0x1); + mb(); /* memory barrier */ + } +} + +int board_init(void) +{ + enable_prefetcher(); + + return 0; +} diff --git a/include/configs/starfive-visionfive2.h b/include/configs/starfive-visionfive2.h new file mode 100644 index 0000000000..a5fba1869b --- /dev/null +++ b/include/configs/starfive-visionfive2.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + * + */ + +#ifndef _STARFIVE_VISIONFIVE2_H +#define _STARFIVE_VISIONFIVE2_H + +#define RISCV_MMODE_TIMERBASE 0x2000000 +#define RISCV_MMODE_TIMER_FREQ 4000000 + +#define RISCV_SMODE_TIMER_FREQ 4000000 + +#define __io + +#endif /* _STARFIVE_VISIONFIVE2_H */