mirror of
https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
152 lines
4 KiB
C
152 lines
4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2009-2014 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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*/
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#include <common.h>
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#include <linux/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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#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
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#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
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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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u32 phys_cpu_id = thread_to_core(*reg);
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if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
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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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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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static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
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{
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int off = fdt_node_offset_by_prop_value(blob, srio_off,
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"cell-index", &port, 4);
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if (off >= 0) {
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off = fdt_setprop_string(blob, off, "status", "disabled");
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if (off > 0)
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printf("WARNING unable to set status for fsl,srio "
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"port %d: %s\n", port, fdt_strerror(off));
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}
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}
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static inline void ft_disable_rman(void *blob)
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{
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int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
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if (off >= 0) {
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off = fdt_setprop_string(blob, off, "status", "disabled");
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if (off > 0)
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printf("WARNING unable to set status for fsl,rman %s\n",
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fdt_strerror(off));
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}
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}
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static inline void ft_disable_rmu(void *blob)
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{
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int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
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if (off >= 0) {
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off = fdt_setprop_string(blob, off, "status", "disabled");
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if (off > 0)
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printf("WARNING unable to set status for "
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"fsl,srio-rmu %s\n", fdt_strerror(off));
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}
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}
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void ft_srio_setup(void *blob)
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{
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int srio1_used = 0, srio2_used = 0;
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int srio_off;
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/* search for srio node, if doesn't exist just return - nothing todo */
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srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
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if (srio_off < 0)
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return ;
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#ifdef CONFIG_SRIO1
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if (is_serdes_configured(SRIO1))
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srio1_used = 1;
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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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srio2_used = 1;
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#endif
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/* mark port1 disabled */
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if (!srio1_used)
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ft_disable_srio_port(blob, srio_off, 1);
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/* mark port2 disabled */
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if (!srio2_used)
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ft_disable_srio_port(blob, srio_off, 2);
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/* if both ports not used, disable controller, rmu and rman */
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if (!srio1_used && !srio2_used) {
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fdt_setprop_string(blob, srio_off, "status", "disabled");
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ft_disable_rman(blob);
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ft_disable_rmu(blob);
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}
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}
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#endif
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