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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017 NXP
*/
#include <config.h>
#include <vsprintf.h>
#include <linux/string.h>
#include <asm/io.h>
#include <asm/arch/fsl_serdes.h>
#include <fsl-mc/fsl_mc.h>
#if defined(CONFIG_RESET_PHY_R)
void reset_phy(void)
{
mc_env_boot();
}
#endif /* CONFIG_RESET_PHY_R */
#if defined(CONFIG_MULTI_DTB_FIT)
/* Structure to hold SERDES protocols supported (network interfaces are
* described in the DTS).
*
* @serdes_block: the index of the SERDES block
* @serdes_protocol: the decimal value of the protocol supported
* @dts_needed: DTS notes describing the current configuration are needed
*
* When dts_needed is true, the board_fit_config_name_match() function
* will try to exactly match the current configuration of the block with a DTS
* name provided.
*/
static struct serdes_configuration {
u8 serdes_block;
u32 serdes_protocol;
bool dts_needed;
} supported_protocols[] = {
/* Serdes block #1 */
{1, 21, true},
{1, 29, true},
};
#define SUPPORTED_SERDES_PROTOCOLS ARRAY_SIZE(supported_protocols)
static bool protocol_supported(u8 serdes_block, u32 protocol)
{
struct serdes_configuration serdes_conf;
int i;
for (i = 0; i < SUPPORTED_SERDES_PROTOCOLS; i++) {
serdes_conf = supported_protocols[i];
if (serdes_conf.serdes_block == serdes_block &&
serdes_conf.serdes_protocol == protocol)
return true;
}
return false;
}
static void get_str_protocol(u8 serdes_block, u32 protocol, char *str)
{
struct serdes_configuration serdes_conf;
int i;
for (i = 0; i < SUPPORTED_SERDES_PROTOCOLS; i++) {
serdes_conf = supported_protocols[i];
if (serdes_conf.serdes_block == serdes_block &&
serdes_conf.serdes_protocol == protocol) {
if (serdes_conf.dts_needed == true)
sprintf(str, "%u", protocol);
else
sprintf(str, "x");
return;
}
}
}
int board_fit_config_name_match(const char *name)
{
struct ccsr_gur *gur = (void *)(CFG_SYS_FSL_GUTS_ADDR);
char expected_dts[100];
char srds_s1_str[2];
u32 srds_s1, cfg;
cfg = in_le32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]) &
FSL_CHASSIS3_SRDS1_PRTCL_MASK;
cfg >>= FSL_CHASSIS3_SRDS1_PRTCL_SHIFT;
srds_s1 = serdes_get_number(FSL_SRDS_1, cfg);
/* Check for supported protocols. The default DTS will be used
* in this case
*/
if (!protocol_supported(1, srds_s1))
return -1;
get_str_protocol(1, srds_s1, srds_s1_str);
sprintf(expected_dts, "fsl-ls1088a-qds-%s-x", srds_s1_str);
if (!strcmp(name, expected_dts))
return 0;
return -1;
}
#endif
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