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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Place in devicetree.cb:
*
* chip drivers/ipmi/ocp # OCP specific IPMI porting
device pnp ca2.1 on end
* end
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include <drivers/ipmi/ipmi_kcs.h>
#include <drivers/ocp/dmi/ocp_dmi.h>
#include <types.h>
#include "ipmi_ocp.h"
static enum cb_err ipmi_set_ppin(struct device *dev)
{
int ret;
struct ipmi_rsp rsp;
struct ppin_req req = {0};
req.cpu0_lo = xeon_sp_ppin[0].lo;
req.cpu0_hi = xeon_sp_ppin[0].hi;
if (CONFIG_MAX_SOCKET > 1) {
req.cpu1_lo = xeon_sp_ppin[1].lo;
req.cpu1_hi = xeon_sp_ppin[1].hi;
}
ret = ipmi_kcs_message(dev->path.pnp.port, IPMI_NETFN_OEM, 0x0, IPMI_OEM_SET_PPIN,
(const unsigned char *) &req, sizeof(req), (unsigned char *) &rsp, sizeof(rsp));
if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) {
printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
__func__, ret, rsp.completion_code);
return CB_ERR;
}
printk(BIOS_DEBUG, "IPMI: %s command success\n", __func__);
return CB_SUCCESS;
}
static void ipmi_ocp_init(struct device *dev)
{
/* Add OCP specific IPMI command */
}
static void ipmi_ocp_final(struct device *dev)
{
/* Add OCP specific IPMI command */
if (CONFIG(OCP_DMI))
ipmi_set_ppin(dev);
}
static void ipmi_set_resources(struct device *dev)
{
struct resource *res;
for (res = dev->resource_list; res; res = res->next) {
if (!(res->flags & IORESOURCE_ASSIGNED))
continue;
res->flags |= IORESOURCE_STORED;
report_resource_stored(dev, res, "");
}
}
static void ipmi_read_resources(struct device *dev)
{
struct resource *res = new_resource(dev, 0);
res->base = dev->path.pnp.port;
res->size = 2;
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static struct device_operations ops = {
.read_resources = ipmi_read_resources,
.set_resources = ipmi_set_resources,
.init = ipmi_ocp_init,
.final = ipmi_ocp_final,
};
static void enable_dev(struct device *dev)
{
if (dev->path.type != DEVICE_PATH_PNP)
printk(BIOS_ERR, "%s: Unsupported device type\n",
dev_path(dev));
else if (dev->path.pnp.port & 1)
printk(BIOS_ERR, "%s: Base address needs to be aligned to 2\n",
dev_path(dev));
else
dev->ops = &ops;
}
struct chip_operations drivers_ipmi_ocp_ops = {
CHIP_NAME("IPMI OCP")
.enable_dev = enable_dev,
};
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