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![Suneel Garapati](/assets/img/avatar_default.png)
This patch adds support for all OcteonTX2 96xx/95xx boards from Marvell. For 96xx boards, use octeontx_96xx_defconfig and for 95xx boards, use octeontx_95xx_defconfig. Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
222 lines
4.7 KiB
C
222 lines
4.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 Marvell International Ltd.
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*
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* https://spdx.org/licenses
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*/
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#include <errno.h>
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#include <fdtdec.h>
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#include <fdt_support.h>
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#include <log.h>
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#include <linux/compiler.h>
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#include <linux/libfdt.h>
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#include <asm/arch/board.h>
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#include <asm/arch/smc.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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static int fdt_get_bdk_node(void)
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{
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int node, ret;
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const void *fdt = gd->fdt_blob;
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if (!fdt) {
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printf("ERROR: %s: no valid device tree found\n", __func__);
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return 0;
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}
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ret = fdt_check_header(fdt);
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if (ret < 0) {
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printf("fdt: %s\n", fdt_strerror(ret));
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return 0;
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}
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node = fdt_path_offset(fdt, "/cavium,bdk");
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if (node < 0) {
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printf("%s: /cavium,bdk is missing from device tree: %s\n",
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__func__, fdt_strerror(node));
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return 0;
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}
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return node;
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}
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u64 fdt_get_board_mac_addr(void)
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{
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int node, len = 16;
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const char *str = NULL;
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const void *fdt = gd->fdt_blob;
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u64 mac_addr = 0;
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node = fdt_get_bdk_node();
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if (!node)
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return mac_addr;
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str = fdt_getprop(fdt, node, "BOARD-MAC-ADDRESS", &len);
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if (str)
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mac_addr = simple_strtol(str, NULL, 16);
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return mac_addr;
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}
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int fdt_get_board_mac_cnt(void)
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{
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int node, len = 16;
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const char *str = NULL;
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const void *fdt = gd->fdt_blob;
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int mac_count = 0;
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node = fdt_get_bdk_node();
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if (!node)
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return mac_count;
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str = fdt_getprop(fdt, node, "BOARD-MAC-ADDRESS-NUM", &len);
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if (str) {
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mac_count = simple_strtol(str, NULL, 10);
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if (!mac_count)
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mac_count = simple_strtol(str, NULL, 16);
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debug("fdt: MAC_NUM %d\n", mac_count);
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} else {
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printf("Error: cannot retrieve mac count prop from fdt\n");
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}
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str = fdt_getprop(gd->fdt_blob, node, "BOARD-MAC-ADDRESS-NUM-OVERRIDE",
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&len);
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if (str) {
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if (simple_strtol(str, NULL, 10) >= 0)
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mac_count = simple_strtol(str, NULL, 10);
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debug("fdt: MAC_NUM %d\n", mac_count);
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} else {
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printf("Error: cannot retrieve mac num override prop\n");
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}
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return mac_count;
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}
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const char *fdt_get_board_serial(void)
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{
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const void *fdt = gd->fdt_blob;
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int node, len = 64;
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const char *str = NULL;
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node = fdt_get_bdk_node();
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if (!node)
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return NULL;
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str = fdt_getprop(fdt, node, "BOARD-SERIAL", &len);
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if (!str)
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printf("Error: cannot retrieve board serial from fdt\n");
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return str;
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}
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const char *fdt_get_board_revision(void)
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{
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const void *fdt = gd->fdt_blob;
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int node, len = 64;
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const char *str = NULL;
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node = fdt_get_bdk_node();
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if (!node)
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return NULL;
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str = fdt_getprop(fdt, node, "BOARD-REVISION", &len);
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if (!str)
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printf("Error: cannot retrieve board revision from fdt\n");
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return str;
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}
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const char *fdt_get_board_model(void)
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{
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int node, len = 16;
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const char *str = NULL;
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const void *fdt = gd->fdt_blob;
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node = fdt_get_bdk_node();
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if (!node)
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return NULL;
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str = fdt_getprop(fdt, node, "BOARD-MODEL", &len);
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if (!str)
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printf("Error: cannot retrieve board model from fdt\n");
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return str;
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}
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int arch_fixup_memory_node(void *blob)
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{
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return 0;
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}
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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int nodeoff, node, ret, i;
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const char *temp;
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static const char * const
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octeontx_brd_nodes[] = {"BOARD-MODEL",
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"BOARD-SERIAL",
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"BOARD-MAC-ADDRESS",
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"BOARD-REVISION",
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"BOARD-MAC-ADDRESS-NUM"
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};
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char nodes[ARRAY_SIZE(octeontx_brd_nodes)][32];
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ret = fdt_check_header(blob);
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if (ret < 0) {
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printf("ERROR: %s\n", fdt_strerror(ret));
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return ret;
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}
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if (blob) {
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nodeoff = fdt_path_offset(blob, "/cavium,bdk");
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if (nodeoff < 0) {
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printf("ERROR: FDT BDK node not found\n");
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return nodeoff;
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}
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/* Read properties in temporary variables */
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for (i = 0; i < ARRAY_SIZE(octeontx_brd_nodes); i++) {
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temp = fdt_getprop(blob, nodeoff,
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octeontx_brd_nodes[i], NULL);
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strncpy(nodes[i], temp, sizeof(nodes[i]));
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}
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/* Delete cavium,bdk node */
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ret = fdt_del_node(blob, nodeoff);
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if (ret < 0) {
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printf("WARNING : could not remove cavium, bdk node\n");
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return ret;
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}
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debug("%s deleted 'cavium,bdk' node\n", __func__);
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/*
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* Add a new node at root level which would have
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* necessary info
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*/
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node = fdt_add_subnode(blob, 0, "octeontx_brd");
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if (node < 0) {
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printf("Cannot create node octeontx_brd: %s\n",
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fdt_strerror(node));
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return -EIO;
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}
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/* Populate properties in node */
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for (i = 0; i < ARRAY_SIZE(octeontx_brd_nodes); i++) {
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if (fdt_setprop_string(blob, node,
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octeontx_brd_nodes[i],
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nodes[i])) {
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printf("Can't set %s\n", nodes[i]);
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return -EIO;
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}
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}
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}
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return 0;
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}
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/**
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* Return the FDT base address that was passed by ATF
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*
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* @return FDT base address received from ATF in x1 register
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*/
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void *board_fdt_blob_setup(void)
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{
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return (void *)fdt_base_addr;
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}
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