1 files changed, 0 insertions, 97 deletions
diff --git a/zephyr/shim/chip/npcx/system.c b/zephyr/shim/chip/npcx/system.c
deleted file mode 100644
index 9809e138d5..0000000000
--- a/zephyr/shim/chip/npcx/system.c
+++ /dev/null
@@ -1,97 +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 <drivers/bbram.h>
-#include <logging/log.h>
-
-#include "system.h"
-#include "system_chip.h"
-
-LOG_MODULE_REGISTER(shim_npcx_system, LOG_LEVEL_ERR);
-
-static void chip_bbram_status_check(void)
-{
-	const struct device *bbram_dev;
-	int res;
-
-	bbram_dev = DEVICE_DT_GET(DT_NODELABEL(bbram));
-	if (!device_is_ready(bbram_dev)) {
-		LOG_ERR("Error: device %s is not ready", bbram_dev->name);
-		return;
-	}
-
-	res = bbram_check_invalid(bbram_dev);
-	if (res != 0 && res != -ENOTSUP)
-		LOG_INF("VBAT power drop!");
-
-	res = bbram_check_standby_power(bbram_dev);
-	if (res != 0 && res != -ENOTSUP)
-		LOG_INF("VSBY power drop!");
-
-	res = bbram_check_power(bbram_dev);
-	if (res != 0 && res != -ENOTSUP)
-		LOG_INF("VCC1 power drop!");
-}
-
-/*
- * Configure address 0x40001600 (Low Power RAM) in the the MPU
- * (Memory Protection Unit) as a "regular" memory
- */
-void system_mpu_config(void)
-{
-	if (!IS_ENABLED(CONFIG_PLATFORM_EC_WORKAROUND_FLASH_DOWNLOAD_API))
-		return;
-
-	/*
-	 * npcx9 Rev.1 has the problem for download_from_flash API.
-	 * Workaround it by implementing the system_download_from_flash function
-	 * in the suspend RAM. The functions will do the same, but will provide
-	 * a software solution similar to what's done in the npcx5.
-	 */
-	/* Enable MPU */
-	CPU_MPU_CTRL = 0x7;
-
-	/* Create a new MPU Region to allow execution from low-power ram */
-	CPU_MPU_RNR  = REGION_CHIP_RESERVED;
-	CPU_MPU_RASR = CPU_MPU_RASR & 0xFFFFFFFE; /* Disable region */
-	CPU_MPU_RBAR = CONFIG_LPRAM_BASE;         /* Set region base address */
-	/*
-	 * Set region size & attribute and enable region
-	 * [31:29] - Reserved.
-	 * [28]    - XN (Execute Never) = 0
-	 * [27]    - Reserved.
-	 * [26:24] - AP                 = 011 (Full access)
-	 * [23:22] - Reserved.
-	 * [21:19,18,17,16] - TEX,S,C,B = 001000 (Normal memory)
-	 * [15:8]  - SRD                = 0 (Subregions enabled)
-	 * [7:6]   - Reserved.
-	 * [5:1]   - SIZE               = 01001 (1K)
-	 * [0]     - ENABLE             = 1 (enabled)
-	 */
-	CPU_MPU_RASR = 0x03080013;
-}
-
-static int chip_system_init(const struct device *unused)
-{
-	ARG_UNUSED(unused);
-
-	/*
-	 * Check BBRAM power status.
-	 */
-	chip_bbram_status_check();
-
-	system_mpu_config();
-
-	return 0;
-}
-/*
- * The priority should be lower than CROS_BBRAM_NPCX_INIT_PRIORITY.
- */
-#if (CONFIG_CROS_SYSTEM_NPCX_PRE_INIT_PRIORITY <= CONFIG_BBRAM_INIT_PRIORITY)
-#error CONFIG_CROS_SYSTEM_NPCX_PRE_INIT_PRIORITY must greater than \
-	CONFIG_BBRAM_INIT_PRIORITY
-#endif
-SYS_INIT(chip_system_init, PRE_KERNEL_1,
-	 CONFIG_CROS_SYSTEM_NPCX_PRE_INIT_PRIORITY);