mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2019 Intel Corporation <www.intel.com>
|
|
*
|
|
*/
|
|
|
|
#include <clk.h>
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <log.h>
|
|
#include <malloc.h>
|
|
#include <asm/arch/clock_manager.h>
|
|
#include <asm/arch/system_manager.h>
|
|
#include <asm/io.h>
|
|
#include <dt-bindings/clock/agilex-clock.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static ulong cm_get_rate_dm(u32 id)
|
|
{
|
|
struct udevice *dev;
|
|
struct clk clk;
|
|
ulong rate;
|
|
int ret;
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_CLK,
|
|
DM_GET_DRIVER(socfpga_agilex_clk),
|
|
&dev);
|
|
if (ret)
|
|
return 0;
|
|
|
|
clk.id = id;
|
|
ret = clk_request(dev, &clk);
|
|
if (ret < 0)
|
|
return 0;
|
|
|
|
rate = clk_get_rate(&clk);
|
|
|
|
clk_free(&clk);
|
|
|
|
if ((rate == (unsigned long)-ENOSYS) ||
|
|
(rate == (unsigned long)-ENXIO) ||
|
|
(rate == (unsigned long)-EIO)) {
|
|
debug("%s id %u: clk_get_rate err: %ld\n",
|
|
__func__, id, rate);
|
|
return 0;
|
|
}
|
|
|
|
return rate;
|
|
}
|
|
|
|
static u32 cm_get_rate_dm_khz(u32 id)
|
|
{
|
|
return cm_get_rate_dm(id) / 1000;
|
|
}
|
|
|
|
unsigned long cm_get_mpu_clk_hz(void)
|
|
{
|
|
return cm_get_rate_dm(AGILEX_MPU_CLK);
|
|
}
|
|
|
|
unsigned int cm_get_l4_sys_free_clk_hz(void)
|
|
{
|
|
return cm_get_rate_dm(AGILEX_L4_SYS_FREE_CLK);
|
|
}
|
|
|
|
u32 cm_get_qspi_controller_clk_hz(void)
|
|
{
|
|
return readl(socfpga_get_sysmgr_addr() +
|
|
SYSMGR_SOC64_BOOT_SCRATCH_COLD0);
|
|
}
|
|
|
|
void cm_print_clock_quick_summary(void)
|
|
{
|
|
printf("MPU %10d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_MPU_CLK));
|
|
printf("L4 Main %8d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_L4_MAIN_CLK));
|
|
printf("L4 sys free %8d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_L4_SYS_FREE_CLK));
|
|
printf("L4 MP %8d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_L4_MP_CLK));
|
|
printf("L4 SP %8d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_L4_SP_CLK));
|
|
printf("SDMMC %8d kHz\n",
|
|
cm_get_rate_dm_khz(AGILEX_SDMMC_CLK));
|
|
}
|