1 files changed, 0 insertions, 114 deletions
diff --git a/chip/mt_scp/rv32i_common/memmap.c b/chip/mt_scp/rv32i_common/memmap.c
deleted file mode 100644
index a666bb23d7..0000000000
--- a/chip/mt_scp/rv32i_common/memmap.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "cache.h"
-#include "registers.h"
-#include "stdint.h"
-
-/*
- * Map SCP address (bits 31~28) to AP address
- *
- * SCP address	AP address	Note
- *
- * 0x0000_0000			SRAM
- * 0x1000_0000	0x5000_0000	CPU DRAM
- * 0x2000_0000	0x7000_0000
- * 0x3000_0000
- *
- * 0x4000_0000
- * 0x5000_0000	0x0000_0000
- * 0x6000_0000	0x1000_0000
- * 0x7000_0000	0xa000_0000
- *
- * 0x8000_0000
- * 0x9000_0000	0x8000_0000
- * 0xa000_0000	0x9000_0000
- * 0xb000_0000
- *
- * 0xc000_0000	0x8000_0000
- * 0xd000_0000	0x2000_0000
- * 0xe000_0000	0x3000_0000
- * 0xf000_0000	0x6000_0000
- */
-
-#define REMAP_ADDR_SHIFT		28
-#define REMAP_ADDR_LSB_MASK		(BIT(REMAP_ADDR_SHIFT) - 1)
-#define REMAP_ADDR_MSB_MASK		((~0) << REMAP_ADDR_SHIFT)
-#define MAP_INVALID 0xff
-
-static const uint8_t addr_map[16] = {
-	MAP_INVALID,	/* SRAM */
-	0x5,		/* ext_addr_0x1 */
-	0x7,		/* ext_addr_0x2 */
-	MAP_INVALID,	/* no ext_addr_0x3 */
-
-	MAP_INVALID,	/* no ext_addr_0x4 */
-	0x0,		/* ext_addr_0x5 */
-	0x1,		/* ext_addr_0x6 */
-	0xa,		/* ext_addr_0x7 */
-
-	MAP_INVALID,	/* no ext_addr_0x8 */
-	0x8,		/* ext_addr_0x9 */
-	0x9,		/* ext_addr_0xa */
-	MAP_INVALID,	/* no ext_addr_0xb */
-
-	0x8,		/* ext_addr_0xc */
-	0x2,		/* ext_addr_0xd */
-	0x3,		/* ext_addr_0xe */
-	0x6,		/* ext_addr_0xf */
-};
-
-void memmap_init(void)
-{
-	SCP_R_REMAP_0X0123 =
-		(uint32_t)addr_map[0x1] << 8 |
-		(uint32_t)addr_map[0x2] << 16;
-
-	SCP_R_REMAP_0X4567 =
-		(uint32_t)addr_map[0x5] << 8 |
-		(uint32_t)addr_map[0x6] << 16 |
-		(uint32_t)addr_map[0x7] << 24;
-
-	SCP_R_REMAP_0X89AB =
-		(uint32_t)addr_map[0x9] << 8 |
-		(uint32_t)addr_map[0xa] << 16;
-
-	SCP_R_REMAP_0XCDEF =
-		(uint32_t)addr_map[0xc] |
-		(uint32_t)addr_map[0xd] << 8 |
-		(uint32_t)addr_map[0xe] << 16 |
-		(uint32_t)addr_map[0xf] << 24;
-
-	cache_init();
-}
-
-int memmap_ap_to_scp(uintptr_t ap_addr, uintptr_t *scp_addr)
-{
-	int i;
-	uint8_t msb = ap_addr >> REMAP_ADDR_SHIFT;
-
-	for (i = 0; i < ARRAY_SIZE(addr_map); ++i) {
-		if (addr_map[i] != msb)
-			continue;
-
-		*scp_addr = (ap_addr & REMAP_ADDR_LSB_MASK) |
-			(i << REMAP_ADDR_SHIFT);
-		return EC_SUCCESS;
-	}
-
-	return EC_ERROR_INVAL;
-}
-
-int memmap_scp_to_ap(uintptr_t scp_addr, uintptr_t *ap_addr)
-{
-	int i = scp_addr >> REMAP_ADDR_SHIFT;
-
-	if (addr_map[i] == MAP_INVALID)
-		return EC_ERROR_INVAL;
-
-	*ap_addr = (scp_addr & REMAP_ADDR_LSB_MASK) |
-		(addr_map[i] << REMAP_ADDR_SHIFT);
-	return EC_SUCCESS;
-}