u-boot/board/freescale/t104xrdb/t104xrdb.c
Camelia Groza 3a359c5000 board: freescale: t104xrdb: implement get_serial_clock
The serial clock is provided by the get_serial_clock() callback on PPC
under DM_SERIAL. Use the same method to compute the clock as for
non-DM_SERIAL use cases.

Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2023-07-13 16:54:38 +08:00

159 lines
3.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2013 Freescale Semiconductor, Inc.
* Copyright 2023 NXP
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <fdt_support.h>
#include <hwconfig.h>
#include <image.h>
#include <init.h>
#include <log.h>
#include <netdev.h>
#include <asm/global_data.h>
#include <linux/compiler.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_fdt.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_liodn.h>
#include <clock_legacy.h>
#include <fm_eth.h>
#include "../common/sleep.h"
#include "t104xrdb.h"
#include "cpld.h"
DECLARE_GLOBAL_DATA_PTR;
#if CONFIG_IS_ENABLED(DM_SERIAL)
int get_serial_clock(void)
{
return get_bus_freq(0) / 2;
}
#endif
int checkboard(void)
{
struct cpu_type *cpu = gd->arch.cpu;
u8 sw;
#if defined(CONFIG_TARGET_T1042D4RDB)
printf("Board: %sD4RDB\n", cpu->name);
#else
printf("Board: %sRDB\n", cpu->name);
#endif
printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
CPLD_READ(hw_ver), CPLD_READ(sw_ver));
sw = CPLD_READ(flash_ctl_status);
sw = ((sw & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
printf("vBank: %d\n", sw);
return 0;
}
int board_early_init_f(void)
{
#if defined(CONFIG_DEEP_SLEEP)
if (is_warm_boot())
fsl_dp_disable_console();
#endif
return 0;
}
int board_early_init_r(void)
{
#ifdef CFG_SYS_FLASH_BASE
const unsigned int flashbase = CFG_SYS_FLASH_BASE;
int flash_esel = find_tlb_idx((void *)flashbase, 1);
/*
* Remap Boot flash region to caching-inhibited
* so that flash can be erased properly.
*/
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
if (flash_esel == -1) {
/* very unlikely unless something is messed up */
puts("Error: Could not find TLB for FLASH BASE\n");
flash_esel = 2; /* give our best effort to continue */
} else {
/* invalidate existing TLB entry for flash */
disable_tlb(flash_esel);
}
set_tlb(1, flashbase, CFG_SYS_FLASH_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, flash_esel, BOOKE_PAGESZ_256M, 1);
#endif
pci_init();
return 0;
}
int misc_init_r(void)
{
ccsr_gur_t __iomem *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_s1;
srds_s1 = in_be32(&gur->rcwsr[4]) >> 24;
printf("SERDES Reference : 0x%X\n", srds_s1);
/* select SGMII*/
if (srds_s1 == 0x86)
CPLD_WRITE(misc_ctl_status, CPLD_READ(misc_ctl_status) |
MISC_CTL_SG_SEL);
/* select SGMII and Aurora*/
if (srds_s1 == 0x8E)
CPLD_WRITE(misc_ctl_status, CPLD_READ(misc_ctl_status) |
MISC_CTL_SG_SEL | MISC_CTL_AURORA_SEL);
return 0;
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
base = env_get_bootm_low();
size = env_get_bootm_size();
fdt_fixup_memory(blob, (u64)base, (u64)size);
#ifdef CONFIG_PCI
pci_of_setup(blob, bd);
#endif
fdt_fixup_liodn(blob);
#ifdef CONFIG_HAS_FSL_DR_USB
fsl_fdt_fixup_dr_usb(blob, bd);
#endif
#ifdef CONFIG_SYS_DPAA_FMAN
#ifndef CONFIG_DM_ETH
fdt_fixup_fman_ethernet(blob);
#endif
#endif
if (hwconfig("qe-tdm"))
fdt_del_diu(blob);
return 0;
}