mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
b8ec238503
Define the layout of a binary blob that contains a QE firmware and instructions on how to upload it. Add function qe_upload_firmware() to parse the blob and perform the actual upload. Add command-line command "qe fw" to take a firmware blob in memory and upload it. Update ft_cpu_setup() on 85xx to create the 'firmware' device tree node if U-Boot has uploaded a firmware. Fully define 'struct rsp' in immap_qe.h to include the actual RISC Special Registers. Signed-off-by: Timur Tabi <timur@freescale.com>
665 lines
16 KiB
C
665 lines
16 KiB
C
/*
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* (C) Copyright 2007
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* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <linux/ctype.h>
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#include <linux/types.h>
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#include <asm/global_data.h>
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#include <fdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <exports.h>
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#ifdef CONFIG_QE
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#include "../drivers/qe/qe.h"
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#endif
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/*
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* Global data (for the gd->bd)
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*/
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* fdt points to our working device tree.
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*/
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struct fdt_header *fdt;
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/********************************************************************/
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/**
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* fdt_find_and_setprop: Find a node and set it's property
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*
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* @fdt: ptr to device tree
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* @node: path of node
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* @prop: property name
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* @val: ptr to new value
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* @len: length of new property value
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* @create: flag to create the property if it doesn't exist
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*
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* Convenience function to directly set a property given the path to the node.
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*/
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int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
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const void *val, int len, int create)
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{
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int nodeoff = fdt_path_offset(fdt, node);
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if (nodeoff < 0)
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return nodeoff;
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if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL))
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return 0; /* create flag not set; so exit quietly */
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return fdt_setprop(fdt, nodeoff, prop, val, len);
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}
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#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
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static int fdt_fixup_stdout(void *fdt, int choosenoff)
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{
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int err = 0;
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#ifdef CONFIG_CONS_INDEX
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int node;
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char sername[9] = { 0 };
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const char *path;
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sprintf(sername, "serial%d", CONFIG_CONS_INDEX - 1);
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err = node = fdt_path_offset(fdt, "/aliases");
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if (node >= 0) {
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int len;
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path = fdt_getprop(fdt, node, sername, &len);
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if (path) {
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char *p = malloc(len);
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err = -FDT_ERR_NOSPACE;
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if (p) {
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memcpy(p, path, len);
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err = fdt_setprop(fdt, choosenoff,
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"linux,stdout-path", p, len);
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free(p);
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}
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} else {
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err = len;
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}
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}
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#endif
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if (err < 0)
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printf("WARNING: could not set linux,stdout-path %s.\n",
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fdt_strerror(err));
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return err;
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}
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#endif
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int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
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{
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int nodeoffset;
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int err;
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u32 tmp; /* used to set 32 bit integer properties */
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char *str; /* used to set string properties */
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const char *path;
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err = fdt_check_header(fdt);
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if (err < 0) {
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printf("fdt_chosen: %s\n", fdt_strerror(err));
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return err;
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}
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if (initrd_start && initrd_end) {
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uint64_t addr, size;
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int total = fdt_num_mem_rsv(fdt);
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int j;
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/*
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* Look for an existing entry and update it. If we don't find
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* the entry, we will j be the next available slot.
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*/
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for (j = 0; j < total; j++) {
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err = fdt_get_mem_rsv(fdt, j, &addr, &size);
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if (addr == initrd_start) {
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fdt_del_mem_rsv(fdt, j);
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break;
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}
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}
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err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
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if (err < 0) {
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printf("fdt_chosen: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* Find the "chosen" node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/chosen");
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/*
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* If there is no "chosen" node in the blob, create it.
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*/
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if (nodeoffset < 0) {
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/*
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* Create a new node "/chosen" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
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if (nodeoffset < 0) {
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printf("WARNING: could not create /chosen %s.\n",
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fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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}
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/*
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* Create /chosen properites that don't exist in the fdt.
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* If the property exists, update it only if the "force" parameter
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* is true.
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*/
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str = getenv("bootargs");
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if (str != NULL) {
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path = fdt_getprop(fdt, nodeoffset, "bootargs", NULL);
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if ((path == NULL) || force) {
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err = fdt_setprop(fdt, nodeoffset,
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"bootargs", str, strlen(str)+1);
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if (err < 0)
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printf("WARNING: could not set bootargs %s.\n",
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fdt_strerror(err));
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}
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}
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if (initrd_start && initrd_end) {
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path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
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if ((path == NULL) || force) {
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tmp = __cpu_to_be32(initrd_start);
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err = fdt_setprop(fdt, nodeoffset,
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"linux,initrd-start", &tmp, sizeof(tmp));
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if (err < 0)
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printf("WARNING: "
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"could not set linux,initrd-start %s.\n",
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fdt_strerror(err));
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tmp = __cpu_to_be32(initrd_end);
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err = fdt_setprop(fdt, nodeoffset,
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"linux,initrd-end", &tmp, sizeof(tmp));
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if (err < 0)
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printf("WARNING: could not set linux,initrd-end %s.\n",
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fdt_strerror(err));
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}
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}
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#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
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path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
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if ((path == NULL) || force)
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err = fdt_fixup_stdout(fdt, nodeoffset);
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#endif
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#ifdef OF_STDOUT_PATH
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path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
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if ((path == NULL) || force) {
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err = fdt_setprop(fdt, nodeoffset,
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"linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
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if (err < 0)
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printf("WARNING: could not set linux,stdout-path %s.\n",
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fdt_strerror(err));
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}
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#endif
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return err;
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}
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/********************************************************************/
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#ifdef CONFIG_OF_HAS_UBOOT_ENV
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/* Function that returns a character from the environment */
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extern uchar(*env_get_char) (int);
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int fdt_env(void *fdt)
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{
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int nodeoffset;
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int err;
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int k, nxt;
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int i;
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static char tmpenv[256];
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err = fdt_check_header(fdt);
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if (err < 0) {
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printf("fdt_env: %s\n", fdt_strerror(err));
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return err;
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}
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/*
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* See if we already have a "u-boot-env" node, delete it if so.
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* Then create a new empty node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
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if (nodeoffset >= 0) {
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err = fdt_del_node(fdt, nodeoffset);
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if (err < 0) {
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printf("fdt_env: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* Create a new node "/u-boot-env" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
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if (nodeoffset < 0) {
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printf("WARNING: could not create /u-boot-env %s.\n",
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fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
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char *s, *lval, *rval;
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/*
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* Find the end of the name=definition
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*/
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for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
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;
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s = tmpenv;
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for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
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*s++ = env_get_char(k);
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*s++ = '\0';
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lval = tmpenv;
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/*
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* Find the first '=': it separates the name from the value
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*/
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s = strchr(tmpenv, '=');
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if (s != NULL) {
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*s++ = '\0';
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rval = s;
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} else
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continue;
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err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
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if (err < 0) {
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printf("WARNING: could not set %s %s.\n",
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lval, fdt_strerror(err));
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return err;
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}
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}
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return 0;
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}
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#endif /* ifdef CONFIG_OF_HAS_UBOOT_ENV */
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/********************************************************************/
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#ifdef CONFIG_OF_HAS_BD_T
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#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
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static const struct {
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const char *name;
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int offset;
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} bd_map[] = {
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BDM(memstart),
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BDM(memsize),
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BDM(flashstart),
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BDM(flashsize),
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BDM(flashoffset),
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BDM(sramstart),
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BDM(sramsize),
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#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
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|| defined(CONFIG_E500)
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BDM(immr_base),
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#endif
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#if defined(CONFIG_MPC5xxx)
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BDM(mbar_base),
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#endif
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#if defined(CONFIG_MPC83XX)
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BDM(immrbar),
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#endif
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#if defined(CONFIG_MPC8220)
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BDM(mbar_base),
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BDM(inpfreq),
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BDM(pcifreq),
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BDM(pevfreq),
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BDM(flbfreq),
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BDM(vcofreq),
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#endif
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BDM(bootflags),
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BDM(ip_addr),
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BDM(intfreq),
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BDM(busfreq),
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#ifdef CONFIG_CPM2
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BDM(cpmfreq),
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BDM(brgfreq),
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BDM(sccfreq),
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BDM(vco),
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#endif
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#if defined(CONFIG_MPC5xxx)
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BDM(ipbfreq),
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BDM(pcifreq),
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#endif
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BDM(baudrate),
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};
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int fdt_bd_t(void *fdt)
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{
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bd_t *bd = gd->bd;
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int nodeoffset;
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int err;
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u32 tmp; /* used to set 32 bit integer properties */
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int i;
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err = fdt_check_header(fdt);
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if (err < 0) {
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printf("fdt_bd_t: %s\n", fdt_strerror(err));
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return err;
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}
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/*
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* See if we already have a "bd_t" node, delete it if so.
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* Then create a new empty node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/bd_t");
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if (nodeoffset >= 0) {
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err = fdt_del_node(fdt, nodeoffset);
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if (err < 0) {
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printf("fdt_bd_t: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* Create a new node "/bd_t" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
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if (nodeoffset < 0) {
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printf("WARNING: could not create /bd_t %s.\n",
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fdt_strerror(nodeoffset));
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printf("fdt_bd_t: %s\n", fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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/*
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* Use the string/pointer structure to create the entries...
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*/
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for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
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tmp = cpu_to_be32(getenv("bootargs"));
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err = fdt_setprop(fdt, nodeoffset,
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bd_map[i].name, &tmp, sizeof(tmp));
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if (err < 0)
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printf("WARNING: could not set %s %s.\n",
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bd_map[i].name, fdt_strerror(err));
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}
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/*
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* Add a couple of oddball entries...
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*/
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err = fdt_setprop(fdt, nodeoffset, "enetaddr", &bd->bi_enetaddr, 6);
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if (err < 0)
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printf("WARNING: could not set enetaddr %s.\n",
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fdt_strerror(err));
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err = fdt_setprop(fdt, nodeoffset, "ethspeed", &bd->bi_ethspeed, 4);
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if (err < 0)
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printf("WARNING: could not set ethspeed %s.\n",
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fdt_strerror(err));
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return 0;
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}
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#endif /* ifdef CONFIG_OF_HAS_BD_T */
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void do_fixup_by_path(void *fdt, const char *path, const char *prop,
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const void *val, int len, int create)
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{
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s/%s' = ", node, prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
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if (rc)
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printf("Unable to update property %s:%s, err=%s\n",
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path, prop, fdt_strerror(rc));
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}
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void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
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u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
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}
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void do_fixup_by_prop(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, const void *val, int len,
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int create)
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{
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int off;
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s/%s' = ", node, prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen);
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while (off != -FDT_ERR_NOTFOUND) {
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if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
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fdt_setprop(fdt, off, prop, val, len);
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off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen);
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}
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}
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void do_fixup_by_prop_u32(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
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}
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void do_fixup_by_compat(void *fdt, const char *compat,
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const char *prop, const void *val, int len, int create)
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{
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int off = -1;
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#if defined(DEBUG)
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int i;
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debug("Updating property '%s/%s' = ", node, prop);
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for (i = 0; i < len; i++)
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debug(" %.2x", *(u8*)(val+i));
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debug("\n");
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#endif
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off = fdt_node_offset_by_compatible(fdt, -1, compat);
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while (off != -FDT_ERR_NOTFOUND) {
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if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
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fdt_setprop(fdt, off, prop, val, len);
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off = fdt_node_offset_by_compatible(fdt, off, compat);
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}
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}
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void do_fixup_by_compat_u32(void *fdt, const char *compat,
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const char *prop, u32 val, int create)
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{
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val = cpu_to_fdt32(val);
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do_fixup_by_compat(fdt, compat, prop, &val, 4, create);
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}
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int fdt_fixup_memory(void *blob, u64 start, u64 size)
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{
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int err, nodeoffset, len = 0;
|
|
u8 tmp[16];
|
|
const u32 *addrcell, *sizecell;
|
|
|
|
err = fdt_check_header(blob);
|
|
if (err < 0) {
|
|
printf("%s: %s\n", __FUNCTION__, fdt_strerror(err));
|
|
return err;
|
|
}
|
|
|
|
/* update, or add and update /memory node */
|
|
nodeoffset = fdt_path_offset(blob, "/memory");
|
|
if (nodeoffset < 0) {
|
|
nodeoffset = fdt_add_subnode(blob, 0, "memory");
|
|
if (nodeoffset < 0)
|
|
printf("WARNING: could not create /memory: %s.\n",
|
|
fdt_strerror(nodeoffset));
|
|
return nodeoffset;
|
|
}
|
|
err = fdt_setprop(blob, nodeoffset, "device_type", "memory",
|
|
sizeof("memory"));
|
|
if (err < 0) {
|
|
printf("WARNING: could not set %s %s.\n", "device_type",
|
|
fdt_strerror(err));
|
|
return err;
|
|
}
|
|
|
|
addrcell = fdt_getprop(blob, 0, "#address-cells", NULL);
|
|
/* use shifts and mask to ensure endianness */
|
|
if ((addrcell) && (*addrcell == 2)) {
|
|
tmp[0] = (start >> 56) & 0xff;
|
|
tmp[1] = (start >> 48) & 0xff;
|
|
tmp[2] = (start >> 40) & 0xff;
|
|
tmp[3] = (start >> 32) & 0xff;
|
|
tmp[4] = (start >> 24) & 0xff;
|
|
tmp[5] = (start >> 16) & 0xff;
|
|
tmp[6] = (start >> 8) & 0xff;
|
|
tmp[7] = (start ) & 0xff;
|
|
len = 8;
|
|
} else {
|
|
tmp[0] = (start >> 24) & 0xff;
|
|
tmp[1] = (start >> 16) & 0xff;
|
|
tmp[2] = (start >> 8) & 0xff;
|
|
tmp[3] = (start ) & 0xff;
|
|
len = 4;
|
|
}
|
|
|
|
sizecell = fdt_getprop(blob, 0, "#size-cells", NULL);
|
|
/* use shifts and mask to ensure endianness */
|
|
if ((sizecell) && (*sizecell == 2)) {
|
|
tmp[0+len] = (size >> 56) & 0xff;
|
|
tmp[1+len] = (size >> 48) & 0xff;
|
|
tmp[2+len] = (size >> 40) & 0xff;
|
|
tmp[3+len] = (size >> 32) & 0xff;
|
|
tmp[4+len] = (size >> 24) & 0xff;
|
|
tmp[5+len] = (size >> 16) & 0xff;
|
|
tmp[6+len] = (size >> 8) & 0xff;
|
|
tmp[7+len] = (size ) & 0xff;
|
|
len += 8;
|
|
} else {
|
|
tmp[0+len] = (size >> 24) & 0xff;
|
|
tmp[1+len] = (size >> 16) & 0xff;
|
|
tmp[2+len] = (size >> 8) & 0xff;
|
|
tmp[3+len] = (size ) & 0xff;
|
|
len += 4;
|
|
}
|
|
|
|
err = fdt_setprop(blob, nodeoffset, "reg", tmp, len);
|
|
if (err < 0) {
|
|
printf("WARNING: could not set %s %s.\n",
|
|
"reg", fdt_strerror(err));
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
|
|
defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
|
|
|
|
void fdt_fixup_ethernet(void *fdt, bd_t *bd)
|
|
{
|
|
int node;
|
|
const char *path;
|
|
|
|
node = fdt_path_offset(fdt, "/aliases");
|
|
if (node >= 0) {
|
|
#if defined(CONFIG_HAS_ETH0)
|
|
path = fdt_getprop(fdt, node, "ethernet0", NULL);
|
|
if (path) {
|
|
do_fixup_by_path(fdt, path, "mac-address",
|
|
bd->bi_enetaddr, 6, 0);
|
|
do_fixup_by_path(fdt, path, "local-mac-address",
|
|
bd->bi_enetaddr, 6, 1);
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_HAS_ETH1)
|
|
path = fdt_getprop(fdt, node, "ethernet1", NULL);
|
|
if (path) {
|
|
do_fixup_by_path(fdt, path, "mac-address",
|
|
bd->bi_enet1addr, 6, 0);
|
|
do_fixup_by_path(fdt, path, "local-mac-address",
|
|
bd->bi_enet1addr, 6, 1);
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_HAS_ETH2)
|
|
path = fdt_getprop(fdt, node, "ethernet2", NULL);
|
|
if (path) {
|
|
do_fixup_by_path(fdt, path, "mac-address",
|
|
bd->bi_enet2addr, 6, 0);
|
|
do_fixup_by_path(fdt, path, "local-mac-address",
|
|
bd->bi_enet2addr, 6, 1);
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_HAS_ETH3)
|
|
path = fdt_getprop(fdt, node, "ethernet3", NULL);
|
|
if (path) {
|
|
do_fixup_by_path(fdt, path, "mac-address",
|
|
bd->bi_enet3addr, 6, 0);
|
|
do_fixup_by_path(fdt, path, "local-mac-address",
|
|
bd->bi_enet3addr, 6, 1);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_QE
|
|
/*
|
|
* If a QE firmware has been uploaded, then add the 'firmware' node under
|
|
* the 'qe' node.
|
|
*/
|
|
void fdt_fixup_qe_firmware(void *fdt)
|
|
{
|
|
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(fdt, "/qe");
|
|
if (node < 0)
|
|
return;
|
|
|
|
/* We assume the node doesn't exist yet */
|
|
node = fdt_add_subnode(fdt, node, "firmware");
|
|
if (node < 0)
|
|
return;
|
|
|
|
ret = fdt_setprop(fdt, node, "extended-modes",
|
|
&qe_fw_info->extended_modes, sizeof(u64));
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
ret = fdt_setprop_string(fdt, node, "id", qe_fw_info->id);
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
ret = fdt_setprop(fdt, node, "virtual-traps", qe_fw_info->vtraps,
|
|
sizeof(qe_fw_info->vtraps));
|
|
if (ret < 0)
|
|
goto error;
|
|
|
|
return;
|
|
|
|
error:
|
|
fdt_del_node(fdt, node);
|
|
}
|
|
#endif
|
|
|
|
#endif
|