[coreboot-gerrit] Change in coreboot[master]: [TEST ONLY]hermes: Open LPC MMIO window

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48659 )

Change subject: [TEST ONLY]hermes: Open LPC MMIO window
......................................................................

[TEST ONLY]hermes: Open LPC MMIO window

Change-Id: I41c34058e954af112aad6eb102efc5c32a0dc7b2
Signed-off-by: Patrick Rudolph 
---
M src/mainboard/prodrive/hermes/mainboard.c
1 file changed, 20 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/59/48659/1

diff --git a/src/mainboard/prodrive/hermes/mainboard.c b/src/mainboard/prodrive/hermes/mainboard.c
index b24dd56..b9222a3 100644
--- a/src/mainboard/prodrive/hermes/mainboard.c
+++ b/src/mainboard/prodrive/hermes/mainboard.c
@@ -1,10 +1,16 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

+#include <arch/mmio.h>
+#include <console/console.h>
+#include <intelblocks/lpc_lib.h>
+#include <soc/pci_devs.h>
 #include <device/device.h>
 #include "gpio.h"

/* FIXME: Example code below */

+#define LPC_MMIO_RANGE (0xfc800000 - 0x10000)
+
 static void mb_configure_dp1_pwr(bool enable)
 {
    gpio_output(GPP_K3, enable);
@@ -65,6 +71,15 @@
    gpio_output(GPP_G4, enable);
 }

+static void mainboard_init(struct device *dev)
+{
+	printk(BIOS_ERR, "BMC MMIO: read32(%x) = %x\n", LPC_MMIO_RANGE, read32((void *)LPC_MMIO_RANGE));
+	printk(BIOS_ERR, "BMC MMIO: write32(%x, 0xdeadbeef)\n", LPC_MMIO_RANGE);
+	write32((void *)LPC_MMIO_RANGE, 0xdeadbeef);
+	printk(BIOS_ERR, "BMC MMIO: read32(%x) = %x\n", LPC_MMIO_RANGE, read32((void *)LPC_MMIO_RANGE));
+
+}
+
 static void mainboard_enable(struct device *dev)
 {
    /* FIXME: Do runtime configuration once the board is production ready */
@@ -82,6 +97,11 @@
    mb_usb31_fp_pwr_enable(1);
    mb_usb2_fp1_pwr_enable(1);
    mb_usb2_fp2_pwr_enable(1);
+
+	dev->ops->init = mainboard_init;
+
+	lpc_open_mmio_window(LPC_MMIO_RANGE, 0x10000);
+
 }

struct chip_operations mainboard_ops = {