1 files changed, 0 insertions, 61 deletions
diff --git a/src/arch/riscv/ramdetect.c b/src/arch/riscv/ramdetect.c
deleted file mode 100644
index 048d396ffe..0000000000
--- a/src/arch/riscv/ramdetect.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-#include <arch/exception.h>
-#include <types.h>
-#include <console/console.h>
-#include <device/mmio.h>
-#include <ramdetect.h>
-#include <arch/smp/spinlock.h>
-#include <vm.h>
-
-static enum {
-	ABORT_CHECKER_NOT_TRIGGERED,
-	ABORT_CHECKER_TRIGGERED,
-} abort_state = ABORT_CHECKER_NOT_TRIGGERED;
-
-extern void (*trap_handler)(struct trapframe *tf);
-
-static int get_instruction_len(uintptr_t addr)
-{
-	uint16_t ins = read16p(addr);
-
-	/*
-	 * 16-bit or 32-bit instructions supported
-	 */
-	if ((ins & 0x3) != 3) {
-		return 2;
-	} else if ((ins & 0x1f) != 0x1f) {
-		return 4;
-	}
-
-	die("Not a 16bit or 32bit instruction 0x%x\n", ins);
-}
-
-static void ramcheck_trap_handler(struct trapframe *tf)
-{
-	abort_state = ABORT_CHECKER_TRIGGERED;
-
-	/*
-	 * skip read instruction.
-	 */
-	int insn_size = get_instruction_len(tf->epc);
-
-	write_csr(mepc, read_csr(mepc) + insn_size);
-}
-
-int probe_mb(const uintptr_t dram_start, const uintptr_t size)
-{
-	uintptr_t addr = dram_start + (size * MiB) - sizeof(uint32_t);
-	void *ptr = (void *)addr;
-
-	abort_state = ABORT_CHECKER_NOT_TRIGGERED;
-	trap_handler = ramcheck_trap_handler;
-	barrier();
-	read32(ptr);
-	trap_handler = default_trap_handler;
-	barrier();
-	printk(BIOS_DEBUG, "%lx is %s DRAM\n", dram_start + size * MiB,
-	       abort_state == ABORT_CHECKER_NOT_TRIGGERED ? "" : "not");
-
-	return abort_state == ABORT_CHECKER_NOT_TRIGGERED;
-}