/*
- * Copyright 2009 Freescale Semiconductor, Inc.
+ * Copyright 2009-2014 Freescale Semiconductor, Inc.
*
* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
* cpu specific common code for 85xx/86xx processors.
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
+#include <asm/mp.h>
+#include <asm/fsl_serdes.h>
+#include <phy.h>
+#include <hwconfig.h>
+
+#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#endif
+
+#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
+static int ft_del_cpuhandle(void *blob, int cpuhandle)
+{
+ int off, ret = -FDT_ERR_NOTFOUND;
+
+ /* if we find a match, we'll delete at it which point the offsets are
+ * invalid so we start over from the beginning
+ */
+ off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+ &cpuhandle, 4);
+ while (off != -FDT_ERR_NOTFOUND) {
+ fdt_delprop(blob, off, "cpu-handle");
+ ret = 1;
+ off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
+ &cpuhandle, 4);
+ }
+
+ return ret;
+}
void ft_fixup_num_cores(void *blob) {
int off, num_cores, del_cores;
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ u32 phys_cpu_id = thread_to_core(*reg);
- /* if we find a cpu node outside of what we expect delete it
- * and reset the offset back to the start since we can't
- * trust the offsets anymore
- */
- if (*reg > num_cores-1) {
- fdt_del_node(blob, off);
- del_cores++;
+ if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
+ int ph = fdt_get_phandle(blob, off);
+
+ /* Delete the cpu node once there are no cpu handles */
+ if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
+ fdt_del_node(blob, off);
+ del_cores++;
+ }
+ /* either we deleted some cpu handles or the cpu node
+ * so we reset the offset back to the start since we
+ * can't trust the offsets anymore
+ */
off = -1;
}
off = fdt_node_offset_by_prop_value(blob, off,
debug ("deleted %d extra core entry entries from device tree\n",
del_cores);
}
+#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
+
+int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
+{
+ return fdt_setprop_string(blob, offset, "phy-connection-type",
+ phy_string_for_interface(phyc));
+}
+
+#ifdef CONFIG_SYS_SRIO
+static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
+{
+ int off = fdt_node_offset_by_prop_value(blob, srio_off,
+ "cell-index", &port, 4);
+ if (off >= 0) {
+ off = fdt_setprop_string(blob, off, "status", "disabled");
+ if (off > 0)
+ printf("WARNING unable to set status for fsl,srio "
+ "port %d: %s\n", port, fdt_strerror(off));
+ }
+}
+
+static inline void ft_disable_rman(void *blob)
+{
+ int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
+ if (off >= 0) {
+ off = fdt_setprop_string(blob, off, "status", "disabled");
+ if (off > 0)
+ printf("WARNING unable to set status for fsl,rman %s\n",
+ fdt_strerror(off));
+ }
+}
+
+static inline void ft_disable_rmu(void *blob)
+{
+ int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
+ if (off >= 0) {
+ off = fdt_setprop_string(blob, off, "status", "disabled");
+ if (off > 0)
+ printf("WARNING unable to set status for "
+ "fsl,srio-rmu %s\n", fdt_strerror(off));
+ }
+}
+
+void ft_srio_setup(void *blob)
+{
+ int srio1_used = 0, srio2_used = 0;
+ int srio_off;
+
+ /* search for srio node, if doesn't exist just return - nothing todo */
+ srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
+ if (srio_off < 0)
+ return ;
+
+#ifdef CONFIG_SRIO1
+ if (is_serdes_configured(SRIO1))
+ srio1_used = 1;
+#endif
+#ifdef CONFIG_SRIO2
+ if (is_serdes_configured(SRIO2))
+ srio2_used = 1;
+#endif
+
+ /* mark port1 disabled */
+ if (!srio1_used)
+ ft_disable_srio_port(blob, srio_off, 1);
+
+ /* mark port2 disabled */
+ if (!srio2_used)
+ ft_disable_srio_port(blob, srio_off, 2);
+
+ /* if both ports not used, disable controller, rmu and rman */
+ if (!srio1_used && !srio2_used) {
+ fdt_setprop_string(blob, srio_off, "status", "disabled");
+
+ ft_disable_rman(blob);
+ ft_disable_rmu(blob);
+ }
+}
+#endif