u-boot/arch/arm/mach-socfpga/misc_soc64.c
Tom Rini 55b3ba4c2b spi: cadence_qspi: Migrate CONFIG_CQSPI_REF_CLK to Kconfig
This is a little tricky since SoCFPGA has code to determine this as
runtime.  Introduce a guard variable for platforms to select if they
have a static value to use.  Then for ARCH_SOCFPGA, call
cm_get_qspi_controller_clk_hz() and otherwise continue the previous
behavior.

Cc: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2022-04-08 10:46:22 -04:00

91 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
*
*/
#include <altera.h>
#include <common.h>
#include <asm/arch/mailbox_s10.h>
#include <asm/arch/misc.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/system_manager.h>
#include <asm/io.h>
#include <asm/global_data.h>
#include <env.h>
#include <errno.h>
#include <init.h>
#include <log.h>
#include <mach/clock_manager.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* FPGA programming support for SoC FPGA Stratix 10
*/
static Altera_desc altera_fpga[] = {
{
/* Family */
Intel_FPGA_SDM_Mailbox,
/* Interface type */
secure_device_manager_mailbox,
/* No limitation as additional data will be ignored */
-1,
/* No device function table */
NULL,
/* Base interface address specified in driver */
NULL,
/* No cookie implementation */
0
},
};
/*
* Print CPU information
*/
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo(void)
{
puts("CPU: Intel FPGA SoCFPGA Platform (ARMv8 64bit Cortex-A53)\n");
return 0;
}
#endif
#ifdef CONFIG_ARCH_MISC_INIT
int arch_misc_init(void)
{
char qspi_string[13];
sprintf(qspi_string, "<0x%08x>", cm_get_qspi_controller_clk_hz());
env_set("qspi_clock", qspi_string);
return 0;
}
#endif
int arch_early_init_r(void)
{
socfpga_fpga_add(&altera_fpga[0]);
return 0;
}
/* Return 1 if FPGA is ready otherwise return 0 */
int is_fpga_config_ready(void)
{
return (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_FPGA_CONFIG) &
SYSMGR_FPGACONFIG_READY_MASK) == SYSMGR_FPGACONFIG_READY_MASK;
}
void do_bridge_reset(int enable, unsigned int mask)
{
/* Check FPGA status before bridge enable */
if (!is_fpga_config_ready()) {
puts("FPGA not ready. Bridge reset aborted!\n");
return;
}
socfpga_bridges_reset(enable);
}