upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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298 lines
8.4 KiB
298 lines
8.4 KiB
/*
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* Copyright 2009-2011 Freescale Semiconductor, Inc.
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*
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* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
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* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
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* cpu specific common code for 85xx/86xx processors.
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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 <libfdt.h>
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#include <fdt_support.h>
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#include <asm/mp.h>
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#include <asm/fsl_serdes.h>
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#include <phy.h>
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#include <hwconfig.h>
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#ifdef CONFIG_HAS_FSL_DR_USB
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#include <usb.h>
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#endif
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#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
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static int ft_del_cpuhandle(void *blob, int cpuhandle)
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{
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int off, ret = -FDT_ERR_NOTFOUND;
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/* if we find a match, we'll delete at it which point the offsets are
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* invalid so we start over from the beginning
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*/
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off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
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&cpuhandle, 4);
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while (off != -FDT_ERR_NOTFOUND) {
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fdt_delprop(blob, off, "cpu-handle");
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ret = 1;
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off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
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&cpuhandle, 4);
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}
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return ret;
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}
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void ft_fixup_num_cores(void *blob) {
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int off, num_cores, del_cores;
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del_cores = 0;
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num_cores = cpu_numcores();
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off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
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while (off != -FDT_ERR_NOTFOUND) {
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u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
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if ((*reg > num_cores-1) || (is_core_disabled(*reg))) {
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int ph = fdt_get_phandle(blob, off);
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/* Delete the cpu node once there are no cpu handles */
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if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
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fdt_del_node(blob, off);
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del_cores++;
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}
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/* either we deleted some cpu handles or the cpu node
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* so we reset the offset back to the start since we
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* can't trust the offsets anymore
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*/
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off = -1;
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}
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off = fdt_node_offset_by_prop_value(blob, off,
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"device_type", "cpu", 4);
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}
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debug ("%x core system found\n", num_cores);
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debug ("deleted %d extra core entry entries from device tree\n",
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del_cores);
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}
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#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
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#ifdef CONFIG_HAS_FSL_DR_USB
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static void fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
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const char *phy_type)
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{
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const char *compat = "fsl-usb2-dr";
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const char *prop_mode = "dr_mode";
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const char *prop_type = "phy_type";
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static int start_offset = -1;
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int node_offset;
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int err;
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node_offset = fdt_node_offset_by_compatible(blob,
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start_offset, compat);
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if (node_offset < 0) {
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printf("WARNING: could not find compatible node %s: %s.\n",
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compat, fdt_strerror(node_offset));
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return;
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}
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if (mode) {
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err = fdt_setprop(blob, node_offset, prop_mode, mode,
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strlen(mode) + 1);
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if (err < 0)
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printf("WARNING: could not set %s for %s: %s.\n",
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prop_mode, compat, fdt_strerror(err));
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}
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if (phy_type) {
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err = fdt_setprop(blob, node_offset, prop_type, phy_type,
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strlen(phy_type) + 1);
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if (err < 0)
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printf("WARNING: could not set %s for %s: %s.\n",
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prop_type, compat, fdt_strerror(err));
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}
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start_offset = node_offset;
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}
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void fdt_fixup_dr_usb(void *blob, bd_t *bd)
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{
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const char *modes[] = { "host", "peripheral", "otg" };
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const char *phys[] = { "ulpi", "umti" };
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const char *mode = NULL;
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const char *phy_type = NULL;
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char usb1_defined = 0;
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char str[5];
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int i, j;
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for (i = 1; i <= USB_MAX_DEVICE; i++) {
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int mode_idx = -1, phy_idx = -1;
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sprintf(str, "%s%d", "usb", i);
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if (hwconfig(str)) {
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for (j = 0; j < sizeof(modes); j++) {
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if (hwconfig_subarg_cmp(str, "dr_mode",
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modes[j])) {
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mode_idx = j;
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break;
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}
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}
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for (j = 0; j < sizeof(phys); j++) {
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if (hwconfig_subarg_cmp(str, "phy_type",
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phys[j])) {
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phy_idx = j;
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break;
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}
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}
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if (mode_idx >= 0)
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fdt_fixup_usb_mode_phy_type(blob,
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modes[mode_idx], NULL);
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if (phy_idx >= 0)
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fdt_fixup_usb_mode_phy_type(blob,
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NULL, phys[phy_idx]);
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if (!strcmp(str, "usb1"))
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usb1_defined = 1;
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if (mode_idx < 0 && phy_idx < 0)
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printf("WARNING: invalid phy or mode\n");
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} else {
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break;
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}
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}
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if (!usb1_defined) {
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mode = getenv("usb_dr_mode");
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phy_type = getenv("usb_phy_type");
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if (!mode && !phy_type)
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return;
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fdt_fixup_usb_mode_phy_type(blob, mode, phy_type);
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}
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}
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#endif /* CONFIG_HAS_FSL_DR_USB */
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/*
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* update crypto node properties to a specified revision of the SEC
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* called with sec_rev == 0 if not on an E processor
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*/
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#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
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void fdt_fixup_crypto_node(void *blob, int sec_rev)
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{
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const struct sec_rev_prop {
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u32 sec_rev;
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u32 num_channels;
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u32 channel_fifo_len;
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u32 exec_units_mask;
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u32 descriptor_types_mask;
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} sec_rev_prop_list [] = {
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{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
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{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
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{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
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{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
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{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
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{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
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{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
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};
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char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
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sizeof("fsl,secX.Y")];
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int crypto_node, sec_idx, err;
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char *p;
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u32 val;
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/* locate crypto node based on lowest common compatible */
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crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
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if (crypto_node == -FDT_ERR_NOTFOUND)
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return;
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/* delete it if not on an E-processor */
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if (crypto_node > 0 && !sec_rev) {
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fdt_del_node(blob, crypto_node);
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return;
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}
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/* else we got called for possible uprev */
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for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
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if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
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break;
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if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
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puts("warning: unknown SEC revision number\n");
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return;
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}
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val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
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err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
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if (err < 0)
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printf("WARNING: could not set crypto property: %s\n",
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fdt_strerror(err));
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val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
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err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
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if (err < 0)
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printf("WARNING: could not set crypto property: %s\n",
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fdt_strerror(err));
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val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
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err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
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if (err < 0)
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printf("WARNING: could not set crypto property: %s\n",
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fdt_strerror(err));
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val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
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err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
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if (err < 0)
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printf("WARNING: could not set crypto property: %s\n",
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fdt_strerror(err));
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val = 0;
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while (sec_idx >= 0) {
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p = compat_strlist + val;
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val += sprintf(p, "fsl,sec%d.%d",
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(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
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sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
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sec_idx--;
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}
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err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
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if (err < 0)
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printf("WARNING: could not set crypto property: %s\n",
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fdt_strerror(err));
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}
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#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
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void fdt_fixup_crypto_node(void *blob, int sec_rev)
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{
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if (!sec_rev)
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fdt_del_node_and_alias(blob, "crypto");
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}
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#endif
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int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
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{
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return fdt_setprop_string(blob, offset, "phy-connection-type",
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phy_string_for_interface(phyc));
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}
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#ifdef CONFIG_SYS_SRIO
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void ft_srio_setup(void *blob)
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{
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#ifdef CONFIG_SRIO1
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if (!is_serdes_configured(SRIO1)) {
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fdt_del_node_and_alias(blob, "rio0");
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}
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#else
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fdt_del_node_and_alias(blob, "rio0");
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#endif
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#ifdef CONFIG_SRIO2
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if (!is_serdes_configured(SRIO2)) {
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fdt_del_node_and_alias(blob, "rio1");
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}
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#else
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fdt_del_node_and_alias(blob, "rio1");
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#endif
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}
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#endif
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