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/*
* Copyright (C) 2012-2017 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <errno.h>
#include <fdtdec.h>
#include <linux/libfdt.h>
#include <altera.h>
#include <miiphy.h>
#include <netdev.h>
#include <watchdog.h>
#include <asm/arch/misc.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/scan_manager.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/nic301.h>
#include <asm/arch/scu.h>
#include <asm/pl310.h>
DECLARE_GLOBAL_DATA_PTR;
static const struct pl310_regs *const pl310 =
(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
struct bsel bsel_str[] = {
{ "rsvd", "Reserved", },
{ "fpga", "FPGA (HPS2FPGA Bridge)", },
{ "nand", "NAND Flash (1.8V)", },
{ "nand", "NAND Flash (3.0V)", },
{ "sd", "SD/MMC External Transceiver (1.8V)", },
{ "sd", "SD/MMC Internal Transceiver (3.0V)", },
{ "qspi", "QSPI Flash (1.8V)", },
{ "qspi", "QSPI Flash (3.0V)", },
};
int dram_init(void)
{
gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
return 0;
}
void enable_caches(void)
{
#ifndef CONFIG_SYS_ICACHE_OFF
icache_enable();
#endif
#ifndef CONFIG_SYS_DCACHE_OFF
dcache_enable();
#endif
}
void v7_outer_cache_enable(void)
{
/* Disable the L2 cache */
clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
/* enable BRESP, instruction and data prefetch, full line of zeroes */
setbits_le32(&pl310->pl310_aux_ctrl,
L310_AUX_CTRL_DATA_PREFETCH_MASK |
L310_AUX_CTRL_INST_PREFETCH_MASK |
L310_SHARED_ATT_OVERRIDE_ENABLE);
/* Enable the L2 cache */
setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
}
void v7_outer_cache_disable(void)
{
/* Disable the L2 cache */
clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
}
#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && \
defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
int overwrite_console(void)
{
return 0;
}
#endif
#ifdef CONFIG_FPGA
/*
* FPGA programming support for SoC FPGA Cyclone V
*/
static Altera_desc altera_fpga[] = {
{
/* Family */
Altera_SoCFPGA,
/* Interface type */
fast_passive_parallel,
/* 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
},
};
/* add device descriptor to FPGA device table */
void socfpga_fpga_add(void)
{
int i;
fpga_init();
for (i = 0; i < ARRAY_SIZE(altera_fpga); i++)
fpga_add(fpga_altera, &altera_fpga[i]);
}
#endif
int arch_cpu_init(void)
{
#ifdef CONFIG_HW_WATCHDOG
/*
* In case the watchdog is enabled, make sure to (re-)configure it
* so that the defined timeout is valid. Otherwise the SPL (Perloader)
* timeout value is still active which might too short for Linux
* booting.
*/
hw_watchdog_init();
#else
/*
* If the HW watchdog is NOT enabled, make sure it is not running,
* for example because it was enabled in the preloader. This might
* trigger a watchdog-triggered reboot of Linux kernel later.
* Toggle watchdog reset, so watchdog in not running state.
*/
socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
#endif
return 0;
}
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