1 files changed, 0 insertions, 139 deletions
diff --git a/src/soc/intel/broadwell/pch/iobp.c b/src/soc/intel/broadwell/pch/iobp.c
deleted file mode 100644
index deb4156198..0000000000
--- a/src/soc/intel/broadwell/pch/iobp.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <console/console.h>
-#include <delay.h>
-#include <soc/iobp.h>
-#include <soc/rcba.h>
-
-#define IOBP_RETRY 1000
-
-static inline int iobp_poll(void)
-{
-	unsigned int try;
-
-	for (try = IOBP_RETRY; try > 0; try--) {
-		u16 status = RCBA16(IOBPS);
-		if ((status & IOBPS_READY) == 0)
-			return 1;
-		udelay(10);
-	}
-
-	printk(BIOS_ERR, "IOBP: timeout waiting for transaction to complete\n");
-	return 0;
-}
-
-u32 pch_iobp_read(u32 address)
-{
-	u16 status;
-
-	if (!iobp_poll())
-		return 0;
-
-	/* Set the address */
-	RCBA32(IOBPIRI) = address;
-
-	/* READ OPCODE */
-	status = RCBA16(IOBPS);
-	status &= ~IOBPS_MASK;
-	status |= IOBPS_READ;
-	RCBA16(IOBPS) = status;
-
-	/* Undocumented magic */
-	RCBA16(IOBPU) = IOBPU_MAGIC;
-
-	/* Set ready bit */
-	status = RCBA16(IOBPS);
-	status |= IOBPS_READY;
-	RCBA16(IOBPS) = status;
-
-	if (!iobp_poll())
-		return 0;
-
-	/* Check for successful transaction */
-	status = RCBA16(IOBPS);
-	if (status & IOBPS_TX_MASK) {
-		printk(BIOS_ERR, "IOBP: read 0x%08x failed\n", address);
-		return 0;
-	}
-
-	/* Read IOBP data */
-	return RCBA32(IOBPD);
-}
-
-void pch_iobp_write(u32 address, u32 data)
-{
-	u16 status;
-
-	if (!iobp_poll())
-		return;
-
-	/* Set the address */
-	RCBA32(IOBPIRI) = address;
-
-	/* WRITE OPCODE */
-	status = RCBA16(IOBPS);
-	status &= ~IOBPS_MASK;
-	status |= IOBPS_WRITE;
-	RCBA16(IOBPS) = status;
-
-	RCBA32(IOBPD) = data;
-
-	/* Undocumented magic */
-	RCBA16(IOBPU) = IOBPU_MAGIC;
-
-	/* Set ready bit */
-	status = RCBA16(IOBPS);
-	status |= IOBPS_READY;
-	RCBA16(IOBPS) = status;
-
-	if (!iobp_poll())
-		return;
-
-	/* Check for successful transaction */
-	status = RCBA16(IOBPS);
-	if (status & IOBPS_TX_MASK) {
-		printk(BIOS_ERR, "IOBP: write 0x%08x failed\n", address);
-		return;
-	}
-
-	printk(BIOS_SPEW, "IOBP: set 0x%08x to 0x%08x\n", address, data);
-}
-
-void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
-{
-	u32 data = pch_iobp_read(address);
-
-	/* Update the data */
-	data &= andvalue;
-	data |= orvalue;
-
-	pch_iobp_write(address, data);
-}
-
-void pch_iobp_exec(u32 addr, u16 op_code, u8 route_id, u32 *data, u8 *resp)
-{
-	if (!data || !resp)
-		return;
-
-	*resp = -1;
-	if (!iobp_poll())
-		return;
-
-	/* RCBA2330[31:0] = Address */
-	RCBA32(IOBPIRI) = addr;
-	/* RCBA2338[15:8] = opcode */
-	RCBA16(IOBPS) = (RCBA16(IOBPS) & 0x00ff) | op_code;
-	/* RCBA233A[15:8] = 0xf0 RCBA233A[7:0] = Route ID */
-	RCBA16(IOBPU) = IOBPU_MAGIC | route_id;
-
-	if (op_code == IOBP_PCICFG_WRITE)
-		RCBA32(IOBPD) = *data;
-	/* Set RCBA2338[0] to trigger IOBP transaction*/
-	RCBA16(IOBPS) = RCBA16(IOBPS) | 0x1;
-
-	if (!iobp_poll())
-		return;
-
-	*resp = (RCBA16(IOBPS) & IOBPS_TX_MASK) >> 1;
-	*data = RCBA32(IOBPD);
-}