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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 <fastboot.h>
#include <init.h>
#include <net.h>
#include <asm/arch/boot.h>
#include <env.h>
#include <asm/cache.h>
#include <asm/global_data.h>
#include <asm/ptrace.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, struct bd_info *bd)
{
return 0;
}
int ft_board_setup(void *blob, struct bd_info *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(enum fastboot_reboot_reason reason)
{
if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
return -ENOTSUPP;
reboot_reason = REBOOT_REASON_BOOTLOADER;
printf("Using reboot reason: 0x%x\n", reboot_reason);
return 0;
}
void reset_cpu(void)
{
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(void)
{
psci_system_reset();
}
#endif
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