soc/intel/common/block: Move gspi common functions into block/gspi

This patch cleans soc/intel/{apollolake/cannonlake/skylake} by moving
common soc code into common/block/gspi.

BUG=b:78109109
BRANCH=none
TEST=Build and boot KBL/CNL/APL platform.

Change-Id: I877c7c48af928ca1e0399ec794d9400bc52edfcb
Signed-off-by: Ravi Sarawadi <ravishankar.sarawadi@intel.com>
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/26048
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 9 insertions, 42 deletions

diff --git a/src/soc/intel/cannonlake/gspi.c b/src/soc/intel/cannonlake/gspi.c
index 4b00f3a0f8..c5998b50e2 100644
--- a/src/soc/intel/cannonlake/gspi.c
+++ b/src/soc/intel/cannonlake/gspi.c
@@ -14,51 +14,18 @@
  * GNU General Public License for more details.
  */
 
-#include <assert.h>
-#include <device/device.h>
-#include <intelblocks/chip.h>
 #include <intelblocks/gspi.h>
-#include <intelblocks/spi.h>
-#include <soc/iomap.h>
 #include <soc/pci_devs.h>
-#include "chip.h"
-
-const struct gspi_cfg *gspi_get_soc_cfg(void)
-{
-	const struct soc_intel_common_config *common_config;
-	common_config = chip_get_common_soc_structure();
-
-	return &common_config->gspi[0];
-}
-
-uintptr_t gspi_get_soc_early_base(void)
-{
-	return EARLY_GSPI_BASE_ADDRESS;
-}
-
-/*
- * SPI Bus 0 is Fast SPI and GSPI starts from SPI bus # 1 onwards. Thus, adjust
- * the bus # accordingly when referring to SPI / GSPI bus numbers.
- */
-#define GSPI_TO_SPI_BUS(x)	((x) + 1)
-#define SPI_TO_GSPI_BUS(x)	((x) - 1)
-
-int gspi_soc_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus)
-{
-	if (spi_bus == 0)
-		return -1;
-
-	*gspi_bus = SPI_TO_GSPI_BUS(spi_bus);
-	if (*gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX)
-		return -1;
-
-	return 0;
-}
 
 int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
 {
-	if (gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX)
-		return -1;
-
-	return spi_soc_bus_to_devfn(GSPI_TO_SPI_BUS(gspi_bus));
+	switch (gspi_bus) {
+	case 0:
+		return PCH_DEVFN_GSPI0;
+	case 1:
+		return PCH_DEVFN_GSPI1;
+	case 2:
+		return PCH_DEVFN_GSPI2;
+	}
+	return -1;
 }