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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
- */
- #include <common.h>
- #include <cpu_func.h>
- #include <init.h>
- #include <net.h>
- #include <asm/arch/boot.h>
- #include <env.h>
- #include <asm/cache.h>
- #include <linux/libfdt.h>
- #include <linux/err.h>
- #include <asm/arch/mem.h>
- #include <asm/arch/sm.h>
- #include <asm/armv8/mmu.h>
- #include <asm/unaligned.h>
- #include <efi_loader.h>
- #include <u-boot/crc.h>
- #if CONFIG_IS_ENABLED(FASTBOOT)
- #include <asm/psci.h>
- #include <fastboot.h>
- #endif
- DECLARE_GLOBAL_DATA_PTR;
- __weak int board_init(void)
- {
- return 0;
- }
- int dram_init(void)
- {
- const fdt64_t *val;
- int offset;
- int len;
- offset = fdt_path_offset(gd->fdt_blob, "/memory");
- if (offset < 0)
- return -EINVAL;
- val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
- if (len < sizeof(*val) * 2)
- return -EINVAL;
- /* Use unaligned access since cache is still disabled */
- gd->ram_size = get_unaligned_be64(&val[1]);
- return 0;
- }
- __weak int meson_ft_board_setup(void *blob, bd_t *bd)
- {
- return 0;
- }
- int ft_board_setup(void *blob, bd_t *bd)
- {
- meson_init_reserved_memory(blob);
- return meson_ft_board_setup(blob, bd);
- }
- void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
- {
- int ret;
- ret = fdt_add_mem_rsv(fdt, start, size);
- if (ret)
- printf("Could not reserve zone @ 0x%llx\n", start);
- if (IS_ENABLED(CONFIG_EFI_LOADER))
- efi_add_memory_map(start, size, EFI_RESERVED_MEMORY_TYPE);
- }
- int meson_generate_serial_ethaddr(void)
- {
- u8 mac_addr[ARP_HLEN];
- char serial[SM_SERIAL_SIZE];
- u32 sid;
- u16 sid16;
- if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) {
- sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE);
- sid16 = crc16_ccitt(0, (unsigned char *)serial, SM_SERIAL_SIZE);
- /* Ensure the NIC specific bytes of the mac are not all 0 */
- if ((sid & 0xffffff) == 0)
- sid |= 0x800000;
- /* Non OUI / registered MAC address */
- mac_addr[0] = ((sid16 >> 8) & 0xfc) | 0x02;
- mac_addr[1] = (sid16 >> 0) & 0xff;
- mac_addr[2] = (sid >> 24) & 0xff;
- mac_addr[3] = (sid >> 16) & 0xff;
- mac_addr[4] = (sid >> 8) & 0xff;
- mac_addr[5] = (sid >> 0) & 0xff;
- eth_env_set_enetaddr("ethaddr", mac_addr);
- } else
- return -EINVAL;
- return 0;
- }
- static void meson_set_boot_source(void)
- {
- const char *source;
- switch (meson_get_boot_device()) {
- case BOOT_DEVICE_EMMC:
- source = "emmc";
- break;
- case BOOT_DEVICE_NAND:
- source = "nand";
- break;
- case BOOT_DEVICE_SPI:
- source = "spi";
- break;
- case BOOT_DEVICE_SD:
- source = "sd";
- break;
- case BOOT_DEVICE_USB:
- source = "usb";
- break;
- default:
- source = "unknown";
- }
- env_set("boot_source", source);
- }
- __weak int meson_board_late_init(void)
- {
- return 0;
- }
- int board_late_init(void)
- {
- meson_set_boot_source();
- return meson_board_late_init();
- }
- #if CONFIG_IS_ENABLED(FASTBOOT)
- static unsigned int reboot_reason = REBOOT_REASON_NORMAL;
- int fastboot_set_reboot_flag()
- {
- reboot_reason = REBOOT_REASON_BOOTLOADER;
- printf("Using reboot reason: 0x%x\n", reboot_reason);
- return 0;
- }
- void reset_cpu(ulong addr)
- {
- struct pt_regs regs;
- regs.regs[0] = ARM_PSCI_0_2_FN_SYSTEM_RESET;
- regs.regs[1] = reboot_reason;
- printf("Rebooting with reason: 0x%lx\n", regs.regs[1]);
- smc_call(®s);
- while (1)
- ;
- }
- #else
- void reset_cpu(ulong addr)
- {
- psci_system_reset();
- }
- #endif
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