mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
fda7cbfefd
Remove private xpm_configobject[] and use zynqmp_pmufw_node() which
provides the same functionality.
Also add debug messages for easier debugging.
Fixes: e0283cbdfd ("power: zynqmp: Add power domain driver for ZynqMP")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Link: https://lore.kernel.org/r/bddf11459b9b9e849fac9a50db2f1a5fdfae4119.1646122254.git.michal.simek@xilinx.com
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2021, Xilinx. Inc.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <dm/device_compat.h>
|
|
#include <log.h>
|
|
#include <malloc.h>
|
|
#include <misc.h>
|
|
#include <power-domain-uclass.h>
|
|
#include <linux/bitops.h>
|
|
|
|
#include <zynqmp_firmware.h>
|
|
|
|
static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
|
|
const u32 qos, const enum zynqmp_pm_request_ack ack)
|
|
{
|
|
return xilinx_pm_request(PM_REQUEST_NODE, node, capabilities,
|
|
qos, ack, NULL);
|
|
}
|
|
|
|
static int zynqmp_power_domain_request(struct power_domain *power_domain)
|
|
{
|
|
dev_dbg(power_domain->dev, "Request for id: %ld\n", power_domain->id);
|
|
|
|
return zynqmp_pmufw_node(power_domain->id);
|
|
}
|
|
|
|
static int zynqmp_power_domain_free(struct power_domain *power_domain)
|
|
{
|
|
/* nop now */
|
|
return 0;
|
|
}
|
|
|
|
static int zynqmp_power_domain_on(struct power_domain *power_domain)
|
|
{
|
|
dev_dbg(power_domain->dev, "Domain ON for id: %ld\n", power_domain->id);
|
|
|
|
return zynqmp_pm_request_node(power_domain->id,
|
|
ZYNQMP_PM_CAPABILITY_ACCESS,
|
|
ZYNQMP_PM_MAX_QOS,
|
|
ZYNQMP_PM_REQUEST_ACK_BLOCKING);
|
|
}
|
|
|
|
static int zynqmp_power_domain_off(struct power_domain *power_domain)
|
|
{
|
|
/* nop now */
|
|
return 0;
|
|
}
|
|
|
|
struct power_domain_ops zynqmp_power_domain_ops = {
|
|
.request = zynqmp_power_domain_request,
|
|
.rfree = zynqmp_power_domain_free,
|
|
.on = zynqmp_power_domain_on,
|
|
.off = zynqmp_power_domain_off,
|
|
};
|
|
|
|
static int zynqmp_power_domain_probe(struct udevice *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(zynqmp_power_domain) = {
|
|
.name = "zynqmp_power_domain",
|
|
.id = UCLASS_POWER_DOMAIN,
|
|
.probe = zynqmp_power_domain_probe,
|
|
.ops = &zynqmp_power_domain_ops,
|
|
};
|