mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 18:53:06 +00:00
9b31e109b2
The call to xilinx_pm_request requires an array of a larger size. Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Link: https://lore.kernel.org/r/20220416181530.2311155-1-jorge@foundries.io Signed-off-by: Michal Simek <michal.simek@xilinx.com>
76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Xilinx Versal SOC driver
|
|
*
|
|
* Copyright (C) 2021 Xilinx, Inc.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <soc.h>
|
|
#include <zynqmp_firmware.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/hardware.h>
|
|
|
|
/*
|
|
* v1 -> 0x10 - ES1
|
|
* v2 -> 0x20 - Production
|
|
*/
|
|
static const char versal_family[] = "Versal";
|
|
|
|
struct soc_xilinx_versal_priv {
|
|
const char *family;
|
|
char revision;
|
|
};
|
|
|
|
static int soc_xilinx_versal_get_family(struct udevice *dev, char *buf, int size)
|
|
{
|
|
struct soc_xilinx_versal_priv *priv = dev_get_priv(dev);
|
|
|
|
return snprintf(buf, size, "%s", priv->family);
|
|
}
|
|
|
|
static int soc_xilinx_versal_get_revision(struct udevice *dev, char *buf, int size)
|
|
{
|
|
struct soc_xilinx_versal_priv *priv = dev_get_priv(dev);
|
|
|
|
return snprintf(buf, size, "v%d", priv->revision);
|
|
}
|
|
|
|
static const struct soc_ops soc_xilinx_versal_ops = {
|
|
.get_family = soc_xilinx_versal_get_family,
|
|
.get_revision = soc_xilinx_versal_get_revision,
|
|
};
|
|
|
|
static int soc_xilinx_versal_probe(struct udevice *dev)
|
|
{
|
|
struct soc_xilinx_versal_priv *priv = dev_get_priv(dev);
|
|
u32 ret_payload[PAYLOAD_ARG_CNT];
|
|
int ret;
|
|
|
|
priv->family = versal_family;
|
|
|
|
if (IS_ENABLED(CONFIG_ZYNQMP_FIRMWARE)) {
|
|
ret = xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0,
|
|
ret_payload);
|
|
if (ret)
|
|
return ret;
|
|
} else {
|
|
ret_payload[2] = readl(VERSAL_PS_PMC_VERSION);
|
|
if (!ret_payload[2])
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv->revision = ret_payload[2] >> VERSAL_PS_VER_SHIFT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(soc_xilinx_versal) = {
|
|
.name = "soc_xilinx_versal",
|
|
.id = UCLASS_SOC,
|
|
.ops = &soc_xilinx_versal_ops,
|
|
.probe = soc_xilinx_versal_probe,
|
|
.priv_auto = sizeof(struct soc_xilinx_versal_priv),
|
|
.flags = DM_FLAG_PRE_RELOC,
|
|
};
|