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https://github.com/u-boot/u-boot.git
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870c4d105a
Remove leftover code from Milk-V Mars CM and Mars CM Lite boards that do not exist in upstream Linux Kernel devicetree-rebasing. These will be re- introduced when submitted upstream for a future U-Boot release. Users of these boards should use the previous stable release of U-Boot until then. Signed-off-by: E Shattow <e@freeshell.de>
140 lines
2.9 KiB
C
140 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2022 StarFive Technology Co., Ltd.
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* Author: Yanhong Wang<yanhong.wang@starfivetech.com>
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*/
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#include <asm/arch/eeprom.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/regs.h>
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#include <asm/arch/spl.h>
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#include <asm/io.h>
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#include <dt-bindings/clock/starfive,jh7110-crg.h>
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#include <fdt_support.h>
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#include <linux/libfdt.h>
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#include <log.h>
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#include <spl.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define JH7110_CLK_CPU_ROOT_OFFSET 0x0U
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#define JH7110_CLK_CPU_ROOT_SHIFT 24
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#define JH7110_CLK_CPU_ROOT_MASK GENMASK(29, 24)
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void spl_perform_fixups(struct spl_image_info *spl_image)
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{
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/* Update the memory size which read from eeprom or DT */
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fdt_fixup_memory(spl_image->fdt_addr, 0x40000000, gd->ram_size);
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}
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static void jh7110_jtag_init(void)
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{
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/* nTRST: GPIO36 */
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SYS_IOMUX_DOEN(36, HIGH);
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SYS_IOMUX_DIN(36, 4);
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/* TDI: GPIO61 */
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SYS_IOMUX_DOEN(61, HIGH);
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SYS_IOMUX_DIN(61, 19);
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/* TMS: GPIO63 */
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SYS_IOMUX_DOEN(63, HIGH);
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SYS_IOMUX_DIN(63, 20);
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/* TCK: GPIO60 */
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SYS_IOMUX_DOEN(60, HIGH);
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SYS_IOMUX_DIN(60, 29);
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/* TDO: GPIO44 */
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SYS_IOMUX_DOEN(44, 8);
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SYS_IOMUX_DOUT(44, 22);
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}
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int spl_board_init_f(void)
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{
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int ret;
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jh7110_jtag_init();
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ret = spl_dram_init();
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if (ret) {
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debug("JH7110 DRAM init failed: %d\n", ret);
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return ret;
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}
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return 0;
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}
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u32 spl_boot_device(void)
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{
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u32 mode;
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mode = in_le32(JH7110_BOOT_MODE_SELECT_REG)
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& JH7110_BOOT_MODE_SELECT_MASK;
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switch (mode) {
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case 0:
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return BOOT_DEVICE_SPI;
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case 1:
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return BOOT_DEVICE_MMC2;
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case 2:
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return BOOT_DEVICE_MMC1;
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case 3:
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return BOOT_DEVICE_UART;
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default:
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debug("Unsupported boot device 0x%x.\n", mode);
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return BOOT_DEVICE_NONE;
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}
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}
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void board_init_f(ulong dummy)
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{
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int ret;
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ret = spl_early_init();
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if (ret)
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panic("spl_early_init() failed: %d\n", ret);
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riscv_cpu_setup();
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preloader_console_init();
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/* Set the parent clock of cpu_root clock to pll0,
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* it must be initialized here
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*/
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clrsetbits_le32(JH7110_SYS_CRG + JH7110_CLK_CPU_ROOT_OFFSET,
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JH7110_CLK_CPU_ROOT_MASK,
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BIT(JH7110_CLK_CPU_ROOT_SHIFT));
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ret = spl_board_init_f();
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if (ret) {
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debug("spl_board_init_f init failed: %d\n", ret);
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return;
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}
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}
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#if CONFIG_IS_ENABLED(LOAD_FIT)
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int board_fit_config_name_match(const char *name)
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{
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const char *product_id;
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u8 version;
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product_id = get_product_id_from_eeprom();
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if (!strncmp(product_id, "VF7110", 6)) {
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version = get_pcb_revision_from_eeprom();
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if ((version == 'b' || version == 'B') &&
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!strcmp(name, "jh7110-starfive-visionfive-2-v1.3b"))
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return 0;
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if ((version == 'a' || version == 'A') &&
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!strcmp(name, "jh7110-starfive-visionfive-2-v1.2a"))
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return 0;
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} else if (!strncmp(product_id, "MARS", 4) &&
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!strcmp(name, "jh7110-milkv-mars")) {
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return 0;
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} else if (!strncmp(product_id, "STAR64", 6) &&
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!strcmp(name, "jh7110-pine64-star64")) {
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return 0;
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}
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return -EINVAL;
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}
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#endif
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