mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
5d3bcdb12f
Add generic support for backplane kr modes currently available: 10gbase-kr, 40gbase-kr4. Remove platform generic fixups (armv8/layerscape and powerpc) for ethernet interfaces specified in device tree as supported backplane modes. Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2009-2014 Freescale Semiconductor, Inc.
|
|
* Copyright 2020 NXP
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <cpu_func.h>
|
|
#include <linux/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;
|
|
|
|
del_cores = 0;
|
|
num_cores = cpu_numcores();
|
|
|
|
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 (!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,
|
|
"device_type", "cpu", 4);
|
|
}
|
|
debug ("%x core system found\n", num_cores);
|
|
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)
|
|
{
|
|
const char *conn;
|
|
|
|
/* Do NOT apply fixup for backplane modes specified in DT */
|
|
if (phyc == PHY_INTERFACE_MODE_XGMII) {
|
|
conn = fdt_getprop(blob, offset, "phy-connection-type", NULL);
|
|
if (is_backplane_mode(conn))
|
|
return 0;
|
|
}
|
|
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
|