Change in ...coreboot[master]: mb/asus/kgpe-d16: Enable IPMI KCS access

[Timothy Pearson (Code Review)]

Timothy Pearson has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/19821 )

Change subject: mb/asus/kgpe-d16: Enable IPMI KCS access
......................................................................

mb/asus/kgpe-d16: Enable IPMI KCS access

The on-board BMC contains a hardware KCS interface.  Allow
access to it over LPC.

Change-Id: Ia251334ae44668c2260d8d2e816f85f1f62faac6
Signed-off-by: Timothy Pearson 
Reviewed-on: https://review.coreboot.org/c/19821
Tested-by: build bot (Jenkins) 
---
M src/mainboard/asus/kgpe-d16/devicetree.cb
M src/mainboard/asus/kgpe-d16/mainboard.c
2 files changed, 12 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Timothy Pearson: Looks good to me, approved

diff --git a/src/mainboard/asus/kgpe-d16/devicetree.cb b/src/mainboard/asus/kgpe-d16/devicetree.cb
index 9039f6d..0ea4216 100644
--- a/src/mainboard/asus/kgpe-d16/devicetree.cb
+++ b/src/mainboard/asus/kgpe-d16/devicetree.cb
@@ -217,6 +217,9 @@
    					chip drivers/pc80/tpm
    						device pnp 4e.0 on end		# TPM module
    					end
+						chip drivers/generic/generic		# BMC KCS
+							device pnp ca2.0 on end
+						end
    				end
    				device pci 14.4 on			# Bridge
    					device pci 1.0 on end		# VGA
diff --git a/src/mainboard/asus/kgpe-d16/mainboard.c b/src/mainboard/asus/kgpe-d16/mainboard.c
index 0285936..d41a038 100644
--- a/src/mainboard/asus/kgpe-d16/mainboard.c
+++ b/src/mainboard/asus/kgpe-d16/mainboard.c
@@ -46,6 +46,8 @@
 * enable the dedicated function in kgpe-d16 board.
 * This function is called earlier than sr5650_enable.
 *************************************************/
+#define BMC_KCS_BASE 0xca2
+
 static void mainboard_enable(struct device *dev)
 {
    printk(BIOS_INFO, "Mainboard KGPE-D16 Enable. dev=0x%p\n", dev);
@@ -66,6 +68,13 @@

set_pcie_dereset();
    /* get_ide_dma66(); */
+
+	/* Enable access to the BMC IPMI via KCS */
+	struct device *lpc_sio_dev = dev_find_slot_pnp(BMC_KCS_BASE, 0);
+	struct resource *res = new_resource(lpc_sio_dev, BMC_KCS_BASE);
+	res->base = BMC_KCS_BASE;
+	res->size = 1;
+	res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 }

/* override the default SATA PHY setup */