diff options
Diffstat (limited to 'drivers/qe/fdt.c')
| -rw-r--r-- | drivers/qe/fdt.c | 90 | 
1 files changed, 90 insertions, 0 deletions
| diff --git a/drivers/qe/fdt.c b/drivers/qe/fdt.c new file mode 100644 index 000000000..53074889c --- /dev/null +++ b/drivers/qe/fdt.c @@ -0,0 +1,90 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> +#include "qe.h" + +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) +{ +#ifdef CONFIG_QE +	do_fixup_by_prop_u32(blob, "device_type", "qe", 4, +		"bus-frequency", gd->qe_clk, 1); +	do_fixup_by_prop_u32(blob, "device_type", "qe", 4, +		"brg-frequency", gd->brg_clk, 1); +	do_fixup_by_compat_u32(blob, "fsl,qe", +		"clock-frequency", gd->qe_clk, 1); +	do_fixup_by_compat_u32(blob, "fsl,qe", +		"bus-frequency", gd->qe_clk, 1); +	do_fixup_by_compat_u32(blob, "fsl,qe", +		"brg-frequency", gd->brg_clk, 1); +	fdt_fixup_qe_firmware(blob); +#endif +} |