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u-boot/board/xilinx/zynqmp/zynqmp.c
Stefan Herbrechtsmeier bcf6f71bd7 xilinx: zynqmp: Replace strncat with strlcat 
Replace strncat with strlcat to always produce a valid null-terminated
string.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Link: https://lore.kernel.org/r/20220620163650.18756-3-stefan.herbrechtsmeier-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
2022-06-24 14:37:27 +02:00

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 - 2015 Xilinx, Inc.
* Michal Simek <michal.simek@xilinx.com>
*/
#include <common.h>
#include <command.h>
#include <cpu_func.h>
#include <debug_uart.h>
#include <dfu.h>
#include <env.h>
#include <env_internal.h>
#include <init.h>
#include <image.h>
#include <lmb.h>
#include <log.h>
#include <net.h>
#include <sata.h>
#include <ahci.h>
#include <scsi.h>
#include <malloc.h>
#include <memalign.h>
#include <wdt.h>
#include <asm/arch/clk.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/psu_init_gpl.h>
#include <asm/cache.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/ptrace.h>
#include <dm/device.h>
#include <dm/uclass.h>
#include <usb.h>
#include <dwc3-uboot.h>
#include <zynqmppl.h>
#include <zynqmp_firmware.h>
#include <g_dnl.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/sizes.h>
#include "../common/board.h"
#include "pm_cfg_obj.h"
#define ZYNQMP_VERSION_SIZE 7
#define EFUSE_VCU_DIS_MASK 0x100
#define EFUSE_VCU_DIS_SHIFT 8
#define EFUSE_GPU_DIS_MASK 0x20
#define EFUSE_GPU_DIS_SHIFT 5
#define IDCODE2_PL_INIT_MASK 0x200
#define IDCODE2_PL_INIT_SHIFT 9
DECLARE_GLOBAL_DATA_PTR;
#if CONFIG_IS_ENABLED(FPGA) && defined(CONFIG_FPGA_ZYNQMPPL)
static xilinx_desc zynqmppl = XILINX_ZYNQMP_DESC;
enum {
ZYNQMP_VARIANT_EG = BIT(0U),
ZYNQMP_VARIANT_EV = BIT(1U),
ZYNQMP_VARIANT_CG = BIT(2U),
ZYNQMP_VARIANT_DR = BIT(3U),
};
static const struct {
u32 id;
u8 device;
u8 variants;
} zynqmp_devices[] = {
{
.id = 0x04688093,
.device = 1,
.variants = ZYNQMP_VARIANT_EG,
},
{
.id = 0x04711093,
.device = 2,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG,
},
{
.id = 0x04710093,
.device = 3,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG,
},
{
.id = 0x04721093,
.device = 4,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG |
ZYNQMP_VARIANT_EV,
},
{
.id = 0x04720093,
.device = 5,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG |
ZYNQMP_VARIANT_EV,
},
{
.id = 0x04739093,
.device = 6,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG,
},
{
.id = 0x04730093,
.device = 7,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG |
ZYNQMP_VARIANT_EV,
},
{
.id = 0x04738093,
.device = 9,
.variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG,
},
{
.id = 0x04740093,
.device = 11,
.variants = ZYNQMP_VARIANT_EG,
},
{
.id = 0x04750093,
.device = 15,
.variants = ZYNQMP_VARIANT_EG,
},
{
.id = 0x04759093,
.device = 17,
.variants = ZYNQMP_VARIANT_EG,
},
{
.id = 0x04758093,
.device = 19,
.variants = ZYNQMP_VARIANT_EG,
},
{
.id = 0x047E1093,
.device = 21,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E3093,
.device = 23,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E5093,
.device = 25,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E4093,
.device = 27,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E0093,
.device = 28,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E2093,
.device = 29,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047E6093,
.device = 39,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047FD093,
.device = 43,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047F8093,
.device = 46,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047FF093,
.device = 47,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047FB093,
.device = 48,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x047FE093,
.device = 49,
.variants = ZYNQMP_VARIANT_DR,
},
{
.id = 0x046d0093,
.device = 67,
.variants = ZYNQMP_VARIANT_DR,
},
};
static const struct {
u32 id;
char *name;
} zynqmp_svd_devices[] = {
{
.id = 0x04714093,
.name = "xck24"
},
{
.id = 0x04724093,
.name = "xck26",
},
};
static char *zynqmp_detect_svd_name(u32 idcode)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(zynqmp_svd_devices); i++) {
if (zynqmp_svd_devices[i].id == (idcode & 0x0FFFFFFF))
return zynqmp_svd_devices[i].name;
}
return "unknown";
}
static char *zynqmp_get_silicon_idcode_name(void)
{
u32 i;
u32 idcode, idcode2;
char name[ZYNQMP_VERSION_SIZE];
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
ret = xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
if (ret) {
debug("%s: Getting chipid failed\n", __func__);
return "unknown";
}
/*
* Firmware returns:
* payload[0][31:0] = status of the operation
* payload[1]] = IDCODE
* payload[2][19:0] = Version
* payload[2][28:20] = EXTENDED_IDCODE
* payload[2][29] = PL_INIT
*/
idcode = ret_payload[1];
idcode2 = ret_payload[2] >> ZYNQMP_CSU_VERSION_EMPTY_SHIFT;
debug("%s, IDCODE: 0x%0x, IDCODE2: 0x%0x\r\n", __func__, idcode,
idcode2);
for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
if (zynqmp_devices[i].id == (idcode & 0x0FFFFFFF))
break;
}
if (i >= ARRAY_SIZE(zynqmp_devices))
return zynqmp_detect_svd_name(idcode);
/* Add device prefix to the name */
ret = snprintf(name, ZYNQMP_VERSION_SIZE, "zu%d",
zynqmp_devices[i].device);
if (ret < 0)
return "unknown";
if (zynqmp_devices[i].variants & ZYNQMP_VARIANT_EV) {
/* Devices with EV variant might be EG/CG/EV family */
if (idcode2 & IDCODE2_PL_INIT_MASK) {
u32 family = ((idcode2 & EFUSE_VCU_DIS_MASK) >>
EFUSE_VCU_DIS_SHIFT) << 1 |
((idcode2 & EFUSE_GPU_DIS_MASK) >>
EFUSE_GPU_DIS_SHIFT);
/*
* Get family name based on extended idcode values as
* determined on UG1087, EXTENDED_IDCODE register
* description
*/
switch (family) {
case 0x00:
strlcat(name, "ev", sizeof(name));
break;
case 0x10:
strlcat(name, "eg", sizeof(name));
break;
case 0x11:
strlcat(name, "cg", sizeof(name));
break;
default:
/* Do not append family name*/
break;
}
} else {
/*
* When PL powered down the VCU Disable efuse cannot be
* read. So, ignore the bit and just findout if it is CG
* or EG/EV variant.
*/
strlcat(name, (idcode2 & EFUSE_GPU_DIS_MASK) ? "cg" :
"e", sizeof(name));
}
} else if (zynqmp_devices[i].variants & ZYNQMP_VARIANT_CG) {
/* Devices with CG variant might be EG or CG family */
strlcat(name, (idcode2 & EFUSE_GPU_DIS_MASK) ? "cg" : "eg",
sizeof(name));
} else if (zynqmp_devices[i].variants & ZYNQMP_VARIANT_EG) {
strlcat(name, "eg", sizeof(name));
} else if (zynqmp_devices[i].variants & ZYNQMP_VARIANT_DR) {
strlcat(name, "dr", sizeof(name));
} else {
debug("Variant not identified\n");
}
return strdup(name);
}
#endif
int __maybe_unused psu_uboot_init(void)
{
int ret;
ret = psu_init();
if (ret)
return ret;
/*
* PS_SYSMON_ANALOG_BUS register determines mapping between SysMon
* supply sense channel to SysMon supply registers inside the IP.
* This register must be programmed to complete SysMon IP
* configuration. The default register configuration after
* power-up is incorrect. Hence, fix this by writing the
* correct value - 0x3210.
*/
writel(ZYNQMP_PS_SYSMON_ANALOG_BUS_VAL,
ZYNQMP_AMS_PS_SYSMON_ANALOG_BUS);
/* Delay is required for clocks to be propagated */
udelay(1000000);
return 0;
}
#if !defined(CONFIG_SPL_BUILD)
# if defined(CONFIG_DEBUG_UART_BOARD_INIT)
void board_debug_uart_init(void)
{
# if defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED)
psu_uboot_init();
# endif
}
# endif
# if defined(CONFIG_BOARD_EARLY_INIT_F)
int board_early_init_f(void)
{
int ret = 0;
# if defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED) && !defined(CONFIG_DEBUG_UART_BOARD_INIT)
ret = psu_uboot_init();
# endif
return ret;
}
# endif
#endif
static int multi_boot(void)
{
u32 multiboot = 0;
int ret;
ret = zynqmp_mmio_read((ulong)&csu_base->multi_boot, &multiboot);
if (ret)
return -EINVAL;
return multiboot;
}
#if defined(CONFIG_SPL_BUILD)
static void restore_jtag(void)
{
if (current_el() != 3)
return;
writel(CSU_JTAG_SEC_GATE_DISABLE, &csu_base->jtag_sec);
writel(CSU_JTAG_DAP_ENABLE_DEBUG, &csu_base->jtag_dap_cfg);
writel(CSU_JTAG_CHAIN_WR_SETUP, &csu_base->jtag_chain_status_wr);
writel(CRLAPB_DBG_LPD_CTRL_SETUP_CLK, &crlapb_base->dbg_lpd_ctrl);
writel(CRLAPB_RST_LPD_DBG_RESET, &crlapb_base->rst_lpd_dbg);
writel(CSU_PCAP_PROG_RELEASE_PL, &csu_base->pcap_prog);
}
#endif
static void print_secure_boot(void)
{
u32 status = 0;
if (zynqmp_mmio_read((ulong)&csu_base->status, &status))
return;
printf("Secure Boot:\t%sauthenticated, %sencrypted\n",
status & ZYNQMP_CSU_STATUS_AUTHENTICATED ? "" : "not ",
status & ZYNQMP_CSU_STATUS_ENCRYPTED ? "" : "not ");
}
int board_init(void)
{
#if defined(CONFIG_ZYNQMP_FIRMWARE)
struct udevice *dev;
uclass_get_device_by_name(UCLASS_FIRMWARE, "zynqmp-power", &dev);
if (!dev)
panic("PMU Firmware device not found - Enable it");
#endif
#if defined(CONFIG_SPL_BUILD)
/* Check *at build time* if the filename is an non-empty string */
if (sizeof(CONFIG_ZYNQMP_SPL_PM_CFG_OBJ_FILE) > 1)
zynqmp_pmufw_load_config_object(zynqmp_pm_cfg_obj,
zynqmp_pm_cfg_obj_size);
printf("Silicon version:\t%d\n", zynqmp_get_silicon_version());
/* the CSU disables the JTAG interface when secure boot is enabled */
if (CONFIG_IS_ENABLED(ZYNQMP_RESTORE_JTAG))
restore_jtag();
#else
if (CONFIG_IS_ENABLED(DM_I2C) && CONFIG_IS_ENABLED(I2C_EEPROM))
xilinx_read_eeprom();
#endif
printf("EL Level:\tEL%d\n", current_el());
#if CONFIG_IS_ENABLED(FPGA) && defined(CONFIG_FPGA_ZYNQMPPL)
zynqmppl.name = zynqmp_get_silicon_idcode_name();
printf("Chip ID:\t%s\n", zynqmppl.name);
fpga_init();
fpga_add(fpga_xilinx, &zynqmppl);
#endif
/* display secure boot information */
print_secure_boot();
if (current_el() == 3)
printf("Multiboot:\t%d\n", multi_boot());
return 0;
}
int board_early_init_r(void)
{
u32 val;
if (current_el() != 3)
return 0;
val = readl(&crlapb_base->timestamp_ref_ctrl);
val &= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
if (!val) {
val = readl(&crlapb_base->timestamp_ref_ctrl);
val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
writel(val, &crlapb_base->timestamp_ref_ctrl);
/* Program freq register in System counter */
writel(zynqmp_get_system_timer_freq(),
&iou_scntr_secure->base_frequency_id_register);
/* And enable system counter */
writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
&iou_scntr_secure->counter_control_register);
}
return 0;
}
unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
char *const argv[])
{
int ret = 0;
if (current_el() > 1) {
smp_kick_all_cpus();
dcache_disable();
armv8_switch_to_el1(0x0, 0, 0, 0, (unsigned long)entry,
ES_TO_AARCH64);
} else {
printf("FAIL: current EL is not above EL1\n");
ret = EINVAL;
}
return ret;
}
#if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
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;
}
ulong board_get_usable_ram_top(ulong total_size)
{
phys_size_t size;
phys_addr_t reg;
struct lmb lmb;
if (!total_size)
return gd->ram_top;
if (!IS_ALIGNED((ulong)gd->fdt_blob, 0x8))
panic("Not 64bit aligned DT location: %p\n", gd->fdt_blob);
/* found enough not-reserved memory to relocated U-Boot */
lmb_init(&lmb);
lmb_add(&lmb, gd->ram_base, gd->ram_size);
boot_fdt_add_mem_rsv_regions(&lmb, (void *)gd->fdt_blob);
size = ALIGN(CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE);
reg = lmb_alloc(&lmb, size, MMU_SECTION_SIZE);
if (!reg)
reg = gd->ram_top - size;
return reg + size;
}
#else
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = get_effective_memsize();
mem_map_fill();
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
#endif
#if !CONFIG_IS_ENABLED(SYSRESET)
void reset_cpu(void)
{
}
#endif
static u8 __maybe_unused zynqmp_get_bootmode(void)
{
u8 bootmode;
u32 reg = 0;
int ret;
ret = zynqmp_mmio_read((ulong)&crlapb_base->boot_mode, &reg);
if (ret)
return -EINVAL;
debug("HW boot mode: %x\n", reg & BOOT_MODES_MASK);
debug("ALT boot mode: %x\n", reg >> BOOT_MODE_ALT_SHIFT);
if (reg >> BOOT_MODE_ALT_SHIFT)
reg >>= BOOT_MODE_ALT_SHIFT;
bootmode = reg & BOOT_MODES_MASK;
return bootmode;
}
#if defined(CONFIG_BOARD_LATE_INIT)
static const struct {
u32 bit;
const char *name;
} reset_reasons[] = {
{ RESET_REASON_DEBUG_SYS, "DEBUG" },
{ RESET_REASON_SOFT, "SOFT" },
{ RESET_REASON_SRST, "SRST" },
{ RESET_REASON_PSONLY, "PS-ONLY" },
{ RESET_REASON_PMU, "PMU" },
{ RESET_REASON_INTERNAL, "INTERNAL" },
{ RESET_REASON_EXTERNAL, "EXTERNAL" },
{}
};
static int reset_reason(void)
{
u32 reg;
int i, ret;
const char *reason = NULL;
ret = zynqmp_mmio_read((ulong)&crlapb_base->reset_reason, &reg);
if (ret)
return -EINVAL;
puts("Reset reason:\t");
for (i = 0; i < ARRAY_SIZE(reset_reasons); i++) {
if (reg & reset_reasons[i].bit) {
reason = reset_reasons[i].name;
printf("%s ", reset_reasons[i].name);
break;
}
}
puts("\n");
env_set("reset_reason", reason);
return 0;
}
static int set_fdtfile(void)
{
char *compatible, *fdtfile;
const char *suffix = ".dtb";
const char *vendor = "xilinx/";
int fdt_compat_len;
if (env_get("fdtfile"))
return 0;
compatible = (char *)fdt_getprop(gd->fdt_blob, 0, "compatible",
&fdt_compat_len);
if (compatible && fdt_compat_len) {
char *name;
debug("Compatible: %s\n", compatible);
name = strchr(compatible, ',');
if (!name)
return -EINVAL;
name++;
fdtfile = calloc(1, strlen(vendor) + strlen(name) +
strlen(suffix) + 1);
if (!fdtfile)
return -ENOMEM;
sprintf(fdtfile, "%s%s%s", vendor, name, suffix);
env_set("fdtfile", fdtfile);
free(fdtfile);
}
return 0;
}
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;
int ret, multiboot;
#if defined(CONFIG_USB_ETHER) && !defined(CONFIG_USB_GADGET_DOWNLOAD)
usb_ether_init();
#endif
if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
debug("Saved variables - Skipping\n");
return 0;
}
if (!CONFIG_IS_ENABLED(ENV_VARS_UBOOT_RUNTIME_CONFIG))
return 0;
ret = set_fdtfile();
if (ret)
return ret;
multiboot = multi_boot();
if (multiboot >= 0)
env_set_hex("multiboot", multiboot);
bootmode = zynqmp_get_bootmode();
puts("Bootmode: ");
switch (bootmode) {
case USB_MODE:
puts("USB_MODE\n");
mode = "usb_dfu0 usb_dfu1";
env_set("modeboot", "usb_dfu_spl");
break;
case JTAG_MODE:
puts("JTAG_MODE\n");
mode = "jtag pxe dhcp";
env_set("modeboot", "jtagboot");
break;
case QSPI_MODE_24BIT:
case QSPI_MODE_32BIT:
mode = "qspi0";
puts("QSPI_MODE\n");
env_set("modeboot", "qspiboot");
break;
case EMMC_MODE:
puts("EMMC_MODE\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"mmc@ff160000", &dev) &&
uclass_get_device_by_name(UCLASS_MMC,
"sdhci@ff160000", &dev)) {
puts("Boot from EMMC but without SD0 enabled!\n");
return -1;
}
debug("mmc0 device found at %p, seq %d\n", dev, dev_seq(dev));
mode = "mmc";
bootseq = dev_seq(dev);
env_set("modeboot", "emmcboot");
break;
case SD_MODE:
puts("SD_MODE\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"mmc@ff160000", &dev) &&
uclass_get_device_by_name(UCLASS_MMC,
"sdhci@ff160000", &dev)) {
puts("Boot from SD0 but without SD0 enabled!\n");
return -1;
}
debug("mmc0 device found at %p, seq %d\n", dev, dev_seq(dev));
mode = "mmc";
bootseq = dev_seq(dev);
env_set("modeboot", "sdboot");
break;
case SD1_LSHFT_MODE:
puts("LVL_SHFT_");
fallthrough;
case SD_MODE1:
puts("SD_MODE1\n");
if (uclass_get_device_by_name(UCLASS_MMC,
"mmc@ff170000", &dev) &&
uclass_get_device_by_name(UCLASS_MMC,
"sdhci@ff170000", &dev)) {
puts("Boot from SD1 but without SD1 enabled!\n");
return -1;
}
debug("mmc1 device found at %p, seq %d\n", dev, dev_seq(dev));
mode = "mmc";
bootseq = dev_seq(dev);
env_set("modeboot", "sdboot");
break;
case NAND_MODE:
puts("NAND_MODE\n");
mode = "nand0";
env_set("modeboot", "nandboot");
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);
env_set_hex("bootseq", bootseq);
}
/*
* 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);
free(new_targets);
reset_reason();
return board_late_init_xilinx();
}
#endif
int checkboard(void)
{
puts("Board: Xilinx ZynqMP\n");
return 0;
}
int mmc_get_env_dev(void)
{
struct udevice *dev;
int bootseq = 0;
switch (zynqmp_get_bootmode()) {
case EMMC_MODE:
case SD_MODE:
if (uclass_get_device_by_name(UCLASS_MMC,
"mmc@ff160000", &dev) &&
uclass_get_device_by_name(UCLASS_MMC,
"sdhci@ff160000", &dev)) {
return -1;
}
bootseq = dev_seq(dev);
break;
case SD1_LSHFT_MODE:
case SD_MODE1:
if (uclass_get_device_by_name(UCLASS_MMC,
"mmc@ff170000", &dev) &&
uclass_get_device_by_name(UCLASS_MMC,
"sdhci@ff170000", &dev)) {
return -1;
}
bootseq = dev_seq(dev);
break;
default:
break;
}
debug("bootseq %d\n", bootseq);
return bootseq;
}
enum env_location env_get_location(enum env_operation op, int prio)
{
u32 bootmode = zynqmp_get_bootmode();
if (prio)
return ENVL_UNKNOWN;
switch (bootmode) {
case EMMC_MODE:
case SD_MODE:
case SD1_LSHFT_MODE:
case SD_MODE1:
if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
return ENVL_FAT;
if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
return ENVL_EXT4;
return ENVL_NOWHERE;
case NAND_MODE:
if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
return ENVL_NAND;
if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
return ENVL_UBI;
return ENVL_NOWHERE;
case QSPI_MODE_24BIT:
case QSPI_MODE_32BIT:
if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
return ENVL_NOWHERE;
case JTAG_MODE:
default:
return ENVL_NOWHERE;
}
}
#if defined(CONFIG_SET_DFU_ALT_INFO)
#define DFU_ALT_BUF_LEN SZ_1K
void set_dfu_alt_info(char *interface, char *devstr)
{
u8 multiboot;
int bootseq = 0;
ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
if (!CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT) &&
env_get("dfu_alt_info"))
return;
memset(buf, 0, sizeof(buf));
multiboot = multi_boot();
if (multiboot < 0)
multiboot = 0;
multiboot = env_get_hex("multiboot", multiboot);
debug("Multiboot: %d\n", multiboot);
switch (zynqmp_get_bootmode()) {
case EMMC_MODE:
case SD_MODE:
case SD1_LSHFT_MODE:
case SD_MODE1:
bootseq = mmc_get_env_dev();
if (!multiboot)
snprintf(buf, DFU_ALT_BUF_LEN,
"mmc %d:1=boot.bin fat %d 1;"
"%s fat %d 1",
bootseq, bootseq,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME, bootseq);
else
snprintf(buf, DFU_ALT_BUF_LEN,
"mmc %d:1=boot%04d.bin fat %d 1;"
"%s fat %d 1",
bootseq, multiboot, bootseq,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME, bootseq);
break;
case QSPI_MODE_24BIT:
case QSPI_MODE_32BIT:
snprintf(buf, DFU_ALT_BUF_LEN,
"sf 0:0=boot.bin raw %x 0x1500000;"
"%s raw 0x%x 0x500000",
multiboot * SZ_32K, CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
CONFIG_SYS_SPI_U_BOOT_OFFS);
break;
default:
return;
}
env_set("dfu_alt_info", buf);
puts("DFU alt info setting: done\n");
}
#endif
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