1 files changed, 0 insertions, 79 deletions
diff --git a/chip/ish/ish_dma.h b/chip/ish/ish_dma.h
deleted file mode 100644
index 2c76c7d319..0000000000
--- a/chip/ish/ish_dma.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Copyright 2019 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.
- */
-
-#ifndef __CROS_EC_ISH_DMA_H
-#define __CROS_EC_ISH_DMA_H
-
-/* DMA return codes */
-#define DMA_RC_OK 0 /* Success */
-#define DMA_RC_TO 1 /* Time out */
-#define DMA_RC_HW 2 /* HW error (OCP) */
-
-/* DMA channels */
-#define PAGING_CHAN 0
-#define KERNEL_CHAN 1
-
-#define DST_IS_DRAM BIT(0)
-#define SRC_IS_DRAM BIT(1)
-#define NON_SNOOP BIT(2)
-
-/* ISH5 and on */
-#define RS0 0x0
-#define RS3 0x3
-#define RS_SRC_OFFSET 3
-#define RS_DST_OFFSET 5
-
-#define PAGE_SIZE 4096
-
-/**
- * SRAM: ISH local static ram
- * UMA: Protected system DRAM region dedicated for ISH
- * HOST_DRAM: OS owned buffer in system DRAM
- */
-enum dma_mode {
-	SRAM_TO_SRAM = 0,
-	SRAM_TO_UMA = DST_IS_DRAM | (RS3 << RS_DST_OFFSET),
-	UMA_TO_SRAM = SRC_IS_DRAM | (RS3 << RS_SRC_OFFSET),
-	HOST_DRAM_TO_SRAM = SRC_IS_DRAM | (RS0 << RS_SRC_OFFSET),
-	SRAM_TO_HOST_DRAM = DST_IS_DRAM | (RS0 << RS_DST_OFFSET)
-};
-
-/* Disable DMA engine */
-void ish_dma_disable(void);
-/* Initialize  DMA engine */
-void ish_dma_init(void);
-
-/**
- * Main DMA transfer function
- *
- * @param chan          DMA channel
- * @param dst           Destination address
- * @param src           Source address
- * @param length        Transfer size
- * @param mode          Transfer mode
- * @return DMA_RC_OK, or non-zero if error.
- */
-int ish_dma_copy(uint32_t chan, uint32_t dst, uint32_t src, uint32_t length,
-		 enum dma_mode mode);
-/**
- * Set upper 32 bits address for DRAM
- *
- * @param chan          DMA channel
- * @param dst_msb       Destination DRAM upper 32 bits address
- * @param src_msb       Source DRAM upper 32 bits address
- */
-void ish_dma_set_msb(uint32_t chan, uint32_t dst_msb, uint32_t src_msb);
-
-/**
- * Wait for DMA transfer finish
- *
- * @param chan          DMA channel
- * @return DMA_RC_OK, or non-zero if error.
- */
-int ish_wait_for_dma_done(uint32_t ch);
-
-/* Disable OCP (Open Core Protocol) fabric time out */
-void ish_dma_ocp_timeout_disable(void);
-#endif