fdt.c
1.69 KB
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
#include <fsl_qe.h>
#ifdef CONFIG_QE
DECLARE_GLOBAL_DATA_PTR;
/*
* If a QE firmware has been uploaded, then add the 'firmware' node under
* the 'qe' node.
*/
void fdt_fixup_qe_firmware(void *blob)
{
struct qe_firmware_info *qe_fw_info;
int node, ret;
qe_fw_info = qe_get_firmware_info();
if (!qe_fw_info)
return;
node = fdt_path_offset(blob, "/qe");
if (node < 0)
return;
/* We assume the node doesn't exist yet */
node = fdt_add_subnode(blob, node, "firmware");
if (node < 0)
return;
ret = fdt_setprop(blob, node, "extended-modes",
&qe_fw_info->extended_modes, sizeof(u64));
if (ret < 0)
goto error;
ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id);
if (ret < 0)
goto error;
ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps,
sizeof(qe_fw_info->vtraps));
if (ret < 0)
goto error;
return;
error:
fdt_del_node(blob, node);
}
void ft_qe_setup(void *blob)
{
do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
"bus-frequency", gd->arch.qe_clk, 1);
do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
"brg-frequency", gd->arch.brg_clk, 1);
do_fixup_by_compat_u32(blob, "fsl,qe",
"clock-frequency", gd->arch.qe_clk, 1);
do_fixup_by_compat_u32(blob, "fsl,qe",
"bus-frequency", gd->arch.qe_clk, 1);
do_fixup_by_compat_u32(blob, "fsl,qe",
"brg-frequency", gd->arch.brg_clk, 1);
do_fixup_by_compat_u32(blob, "fsl,qe-gtm",
"clock-frequency", gd->arch.qe_clk / 2, 1);
fdt_fixup_qe_firmware(blob);
}
#endif