From: "Soma, Ashok Reddy" <ashok.reddy.soma@amd.com>
To: Stefan Herbrechtsmeier
<stefan.herbrechtsmeier-oss@weidmueller.com>,
"Simek, Michal" <michal.simek@amd.com>,
Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>,
"u-boot@lists.denx.de" <u-boot@lists.denx.de>
Cc: "adrian.fiergolski@fastree3d.com"
<adrian.fiergolski@fastree3d.com>,
"jh80.chung@samsung.com" <jh80.chung@samsung.com>,
"sven@svenpeter.dev" <sven@svenpeter.dev>,
"kettenis@openbsd.org" <kettenis@openbsd.org>,
"sjg@chromium.org" <sjg@chromium.org>,
"git@xilinx.com" <git@xilinx.com>,
"git (AMD-Xilinx)" <git@amd.com>
Subject: RE: [PATCH 2/5] firmware: zynqmp: Load config overlay for core0 to pmufw
Date: Tue, 19 Jul 2022 04:44:03 +0000 [thread overview]
Message-ID: <DS7PR12MB5888FD0C1D087F1B49A34F88DD8F9@DS7PR12MB5888.namprd12.prod.outlook.com> (raw)
In-Reply-To: <18849dd4-eadc-415f-9e6f-28bf2c4cd2b9@weidmueller.com>
Hi Stefan,
>-----Original Message-----
>From: Stefan Herbrechtsmeier <stefan.herbrechtsmeier-oss@weidmueller.com>
>Sent: Saturday, July 16, 2022 4:48 PM
>To: Simek, Michal <michal.simek@amd.com>; Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>; u-boot@lists.denx.de
>Cc: adrian.fiergolski@fastree3d.com; jh80.chung@samsung.com; sven@svenpeter.dev; kettenis@openbsd.org; sjg@chromium.org; git@xilinx.com; git (AMD-Xilinx) <git@amd.com>
>Subject: Re: [PATCH 2/5] firmware: zynqmp: Load config overlay for core0 to pmufw
>
>CAUTION: This message has originated from an External Source. Please use proper judgment and caution when opening attachments, clicking links, or responding to this email.
>
>
>Am 15.07.2022 um 18:34 schrieb Michal Simek:
>>
>>
>> On 7/15/22 18:13, Stefan Herbrechtsmeier wrote:
>>> Am 15.07.2022 um 11:39 schrieb Ashok Reddy Soma:
>>>> Try loading pmufw config overlay for core0, if it doesn't return any
>>>> error it means pmufw is accepting nodes for other IP's. Otherwise
>>>> dont try to load config object for any other IP, just return from
>>>> zynqmp_pmufw_node function.
>>>>
>>>> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
>>>> ---
>>>>
>>>> drivers/firmware/firmware-zynqmp.c | 14 ++++++++++++++
>>>> 1 file changed, 14 insertions(+)
>>>>
>>>> diff --git a/drivers/firmware/firmware-zynqmp.c
>>>> b/drivers/firmware/firmware-zynqmp.c
>>>> index 34d9b47003..288151533e 100644
>>>> --- a/drivers/firmware/firmware-zynqmp.c
>>>> +++ b/drivers/firmware/firmware-zynqmp.c
>>>> @@ -68,8 +68,13 @@ int zynqmp_pmufw_config_close(void)
>>>> return 0;
>>>> }
>>>> +static bool config_enabled;
>>>> +
>>>
>>> Please move the variable inside the function.
>>
>> How can this work? When you move it to zynqmp_pmufw_node() then won't
>> be visible in zynqmp_power_probe() and vice-versa.
>If you reuse the zynqmp_pmufw_node function in zynqmp_power_probe function you can check the id parameter to update the config_enabled variable in zynqmp_pmufw_node.
are you suggesting to change like this ? this works fine for me. Shall i send V2 with this.
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -29,6 +29,7 @@ struct zynqmp_power {
} zynqmp_power;
#define NODE_ID_LOCATION 5
+#define APU0_ID NODE_APU_0
static unsigned int xpm_configobject[] = {
/**********************************************************************/
@@ -68,18 +69,22 @@ int zynqmp_pmufw_config_close(void)
return 0;
}
-static bool config_enabled;
int zynqmp_pmufw_node(u32 id)
{
- if (!config_enabled)
+ static bool config_enabled;
+ int ret;
+
+ if (!config_enabled && id != APU0_ID)
return 0;
/* Record power domain id */
xpm_configobject[NODE_ID_LOCATION] = id;
- zynqmp_pmufw_load_config_object(xpm_configobject,
- sizeof(xpm_configobject));
+ ret = zynqmp_pmufw_load_config_object(xpm_configobject,
+ sizeof(xpm_configobject));
+ if(!ret && id == APU0_ID)
+ config_enabled = true;
return 0;
}
@@ -272,14 +277,8 @@ static int zynqmp_power_probe(struct udevice *dev)
ret >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
ret & ZYNQMP_PM_VERSION_MINOR_MASK);
- if (IS_ENABLED(CONFIG_ARCH_ZYNQMP)) {
- xpm_configobject[NODE_ID_LOCATION] = NODE_APU_0;
-
- ret = zynqmp_pmufw_load_config_object(xpm_configobject,
- sizeof(xpm_configobject));
- if (!ret)
- config_enabled = true;
- }
+ if (IS_ENABLED(CONFIG_ARCH_ZYNQMP))
+ zynqmp_pmufw_node(APU0_ID);
return 0;
Thanks,
Ashok
next prev parent reply other threads:[~2022-07-19 15:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 9:39 [PATCH 0/5] Enable power domain driver in ZynqMP and Versal Ashok Reddy Soma
2022-07-15 9:39 ` [PATCH 1/5] firmware: zynqmp: Change prototype of zynqmp_pmufw_load_config_object() Ashok Reddy Soma
2022-07-15 9:39 ` [PATCH 2/5] firmware: zynqmp: Load config overlay for core0 to pmufw Ashok Reddy Soma
2022-07-15 16:13 ` Stefan Herbrechtsmeier
2022-07-15 16:34 ` Michal Simek
2022-07-16 11:17 ` Stefan Herbrechtsmeier
2022-07-19 4:44 ` Soma, Ashok Reddy [this message]
2022-07-20 16:02 ` Stefan Herbrechtsmeier
2022-07-21 11:53 ` Soma, Ashok Reddy
2022-07-15 9:39 ` [PATCH 3/5] arm64: zynqmp: Enable power domain driver Ashok Reddy Soma
2022-07-15 9:39 ` [PATCH 4/5] mailbox: zynqmp: Move struct zynqmp_ipi_msg from sys_proto.h Ashok Reddy Soma
2022-07-15 9:39 ` [PATCH 5/5] arm64: versal: Enable power domain driver and its dependencies Ashok Reddy Soma
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