1 files changed, 117 insertions, 0 deletions

diff --git a/arch/arm/mach-meson/board-common.c b/arch/arm/mach-meson/board-common.c
new file mode 100644
index 0000000000..8c41301674
--- /dev/null
+++ b/arch/arm/mach-meson/board-common.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ */
+
+#include <common.h>
+#include <asm/arch/boot.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>
+
+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,
+                                   ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
+                                   EFI_RESERVED_MEMORY_TYPE, false);
+        }
+}
+
+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();
+}
+
+void reset_cpu(ulong addr)
+{
+        psci_system_reset();
+}