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fda7cbfefd
Remove private xpm_configobject[] and use zynqmp_pmufw_node() which
provides the same functionality.
Also add debug messages for easier debugging.
Fixes: e0283cbdfd49 ("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
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2021, Xilinx. Inc.
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/device_compat.h>
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#include <log.h>
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#include <malloc.h>
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#include <misc.h>
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#include <power-domain-uclass.h>
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#include <linux/bitops.h>
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#include <zynqmp_firmware.h>
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static int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
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const u32 qos, const enum zynqmp_pm_request_ack ack)
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{
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return xilinx_pm_request(PM_REQUEST_NODE, node, capabilities,
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qos, ack, NULL);
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}
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static int zynqmp_power_domain_request(struct power_domain *power_domain)
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{
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dev_dbg(power_domain->dev, "Request for id: %ld\n", power_domain->id);
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return zynqmp_pmufw_node(power_domain->id);
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}
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static int zynqmp_power_domain_free(struct power_domain *power_domain)
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{
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/* nop now */
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return 0;
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}
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static int zynqmp_power_domain_on(struct power_domain *power_domain)
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{
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dev_dbg(power_domain->dev, "Domain ON for id: %ld\n", power_domain->id);
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return zynqmp_pm_request_node(power_domain->id,
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ZYNQMP_PM_CAPABILITY_ACCESS,
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ZYNQMP_PM_MAX_QOS,
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ZYNQMP_PM_REQUEST_ACK_BLOCKING);
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}
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static int zynqmp_power_domain_off(struct power_domain *power_domain)
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{
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/* nop now */
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return 0;
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}
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struct power_domain_ops zynqmp_power_domain_ops = {
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.request = zynqmp_power_domain_request,
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.rfree = zynqmp_power_domain_free,
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.on = zynqmp_power_domain_on,
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.off = zynqmp_power_domain_off,
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};
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static int zynqmp_power_domain_probe(struct udevice *dev)
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{
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return 0;
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}
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U_BOOT_DRIVER(zynqmp_power_domain) = {
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.name = "zynqmp_power_domain",
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.id = UCLASS_POWER_DOMAIN,
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.probe = zynqmp_power_domain_probe,
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.ops = &zynqmp_power_domain_ops,
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};
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