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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 - 2018 Xilinx, Inc.
* Michal Simek <michal.simek@xilinx.com>
*/
#include <common.h>
#include <cpu_func.h>
#include <fdtdec.h>
#include <init.h>
#include <malloc.h>
#include <time.h>
#include <asm/cache.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <dm/device.h>
#include <dm/uclass.h>
#include <versalpl.h>
#include "../common/board.h"
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_FPGA_VERSALPL)
static xilinx_desc versalpl = XILINX_VERSAL_DESC;
#endif
int board_init(void)
{
printf("EL Level:\tEL%d\n", current_el());
#if defined(CONFIG_FPGA_VERSALPL)
fpga_init();
fpga_add(fpga_xilinx, &versalpl);
#endif
return 0;
}
int board_early_init_r(void)
{
u32 val;
if (current_el() != 3)
return 0;
debug("iou_switch ctrl div0 %x\n",
readl(&crlapb_base->iou_switch_ctrl));
writel(IOU_SWITCH_CTRL_CLKACT_BIT |
(CONFIG_IOU_SWITCH_DIVISOR0 << IOU_SWITCH_CTRL_DIVISOR0_SHIFT),
&crlapb_base->iou_switch_ctrl);
/* Global timer init - Program time stamp reference clk */
val = readl(&crlapb_base->timestamp_ref_ctrl);
val |= CRL_APB_TIMESTAMP_REF_CTRL_CLKACT_BIT;
writel(val, &crlapb_base->timestamp_ref_ctrl);
debug("ref ctrl 0x%x\n",
readl(&crlapb_base->timestamp_ref_ctrl));
/* Clear reset of timestamp reg */
writel(0, &crlapb_base->rst_timestamp);
/*
* Program freq register in System counter and
* enable system counter.
*/
writel(COUNTER_FREQUENCY,
&iou_scntr_secure->base_frequency_id_register);
debug("counter val 0x%x\n",
readl(&iou_scntr_secure->base_frequency_id_register));
writel(IOU_SCNTRS_CONTROL_EN,
&iou_scntr_secure->counter_control_register);
debug("scntrs control 0x%x\n",
readl(&iou_scntr_secure->counter_control_register));
debug("timer 0x%llx\n", get_ticks());
debug("timer 0x%llx\n", get_ticks());
return 0;
}
static u8 versal_get_bootmode(void)
{
u8 bootmode;
u32 reg = 0;
reg = readl(&crp_base->boot_mode_usr);
if (reg >> BOOT_MODE_ALT_SHIFT)
reg >>= BOOT_MODE_ALT_SHIFT;
bootmode = reg & BOOT_MODES_MASK;
return bootmode;
}
int board_late_init(void)
{
u8 bootmode;
struct udevice *dev;
int bootseq = -1;
int bootseq_len = 0;
int env_targets_len = 0;
const char *mode;
char *new_targets;
char *env_targets;
if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
debug("Saved variables - Skipping\n");
return 0;
}
bootmode = versal_get_bootmode();
puts("Bootmode: ");
switch (bootmode) {
case USB_MODE:
puts("USB_MODE\n");
mode = "dfu_usb";
break;
case JTAG_MODE:
puts("JTAG_MODE\n");
mode = "jtag pxe dhcp";
break;
case QSPI_MODE_24BIT:
puts("QSPI_MODE_24\n");
mode = "xspi0";
break;
case QSPI_MODE_32BIT:
puts("QSPI_MODE_32\n");
mode = "xspi0";
break;
case OSPI_MODE:
puts("OSPI_MODE\n");
mode = "xspi0";
break;
case EMMC_MODE:
puts("EMMC_MODE\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"sdhci@f1050000", &dev)) {
puts("Boot from EMMC but without SD1 enabled!\n");
return -1;
}
debug("mmc1 device found at %p, seq %d\n", dev, dev->seq);
mode = "mmc";
bootseq = dev->seq;
break;
case SD_MODE:
puts("SD_MODE\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"sdhci@f1040000", &dev)) {
puts("Boot from SD0 but without SD0 enabled!\n");
return -1;
}
debug("mmc0 device found at %p, seq %d\n", dev, dev->seq);
mode = "mmc";
bootseq = dev->seq;
break;
case SD1_LSHFT_MODE:
puts("LVL_SHFT_");
/* fall through */
case SD_MODE1:
puts("SD_MODE1\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"sdhci@f1050000", &dev)) {
puts("Boot from SD1 but without SD1 enabled!\n");
return -1;
}
debug("mmc1 device found at %p, seq %d\n", dev, dev->seq);
mode = "mmc";
bootseq = dev->seq;
break;
default:
mode = "";
printf("Invalid Boot Mode:0x%x\n", bootmode);
break;
}
if (bootseq >= 0) {
bootseq_len = snprintf(NULL, 0, "%i", bootseq);
debug("Bootseq len: %x\n", bootseq_len);
}
/*
* One terminating char + one byte for space between mode
* and default boot_targets
*/
env_targets = env_get("boot_targets");
if (env_targets)
env_targets_len = strlen(env_targets);
new_targets = calloc(1, strlen(mode) + env_targets_len + 2 +
bootseq_len);
if (!new_targets)
return -ENOMEM;
if (bootseq >= 0)
sprintf(new_targets, "%s%x %s", mode, bootseq,
env_targets ? env_targets : "");
else
sprintf(new_targets, "%s %s", mode,
env_targets ? env_targets : "");
env_set("boot_targets", new_targets);
return board_late_init_xilinx();
}
int dram_init_banksize(void)
{
int ret;
ret = fdtdec_setup_memory_banksize();
if (ret)
return ret;
mem_map_fill();
return 0;
}
int dram_init(void)
{
if (fdtdec_setup_mem_size_base() != 0)
return -EINVAL;
return 0;
}
void reset_cpu(ulong addr)
{
}
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