+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 - 2015 Xilinx, Inc.
* Michal Simek <michal.simek@xilinx.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ahci.h>
#include <scsi.h>
#include <malloc.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/io.h>
+#include <dm/device.h>
+#include <dm/uclass.h>
#include <usb.h>
#include <dwc3-uboot.h>
#include <zynqmppl.h>
DECLARE_GLOBAL_DATA_PTR;
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
+static struct udevice *watchdog_dev;
+#endif
+
#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
!defined(CONFIG_SPL_BUILD)
static xilinx_desc zynqmppl = XILINX_ZYNQMP_DESC;
static const struct {
- uint32_t id;
+ u32 id;
+ u32 ver;
char *name;
+ bool evexists;
} zynqmp_devices[] = {
{
.id = 0x10,
.name = "3eg",
},
{
+ .id = 0x10,
+ .ver = 0x2c,
+ .name = "3cg",
+ },
+ {
.id = 0x11,
.name = "2eg",
},
{
+ .id = 0x11,
+ .ver = 0x2c,
+ .name = "2cg",
+ },
+ {
.id = 0x20,
.name = "5ev",
+ .evexists = 1,
+ },
+ {
+ .id = 0x20,
+ .ver = 0x100,
+ .name = "5eg",
+ .evexists = 1,
+ },
+ {
+ .id = 0x20,
+ .ver = 0x12c,
+ .name = "5cg",
+ .evexists = 1,
},
{
.id = 0x21,
.name = "4ev",
+ .evexists = 1,
+ },
+ {
+ .id = 0x21,
+ .ver = 0x100,
+ .name = "4eg",
+ .evexists = 1,
+ },
+ {
+ .id = 0x21,
+ .ver = 0x12c,
+ .name = "4cg",
+ .evexists = 1,
},
{
.id = 0x30,
.name = "7ev",
+ .evexists = 1,
+ },
+ {
+ .id = 0x30,
+ .ver = 0x100,
+ .name = "7eg",
+ .evexists = 1,
+ },
+ {
+ .id = 0x30,
+ .ver = 0x12c,
+ .name = "7cg",
+ .evexists = 1,
},
{
.id = 0x38,
.name = "9eg",
},
{
+ .id = 0x38,
+ .ver = 0x2c,
+ .name = "9cg",
+ },
+ {
.id = 0x39,
.name = "6eg",
},
{
+ .id = 0x39,
+ .ver = 0x2c,
+ .name = "6cg",
+ },
+ {
.id = 0x40,
.name = "11eg",
},
+ { /* For testing purpose only */
+ .id = 0x50,
+ .ver = 0x2c,
+ .name = "15cg",
+ },
{
.id = 0x50,
.name = "15eg",
.id = 0x59,
.name = "17eg",
},
+ {
+ .id = 0x61,
+ .name = "21dr",
+ },
+ {
+ .id = 0x63,
+ .name = "23dr",
+ },
+ {
+ .id = 0x65,
+ .name = "25dr",
+ },
+ {
+ .id = 0x64,
+ .name = "27dr",
+ },
+ {
+ .id = 0x60,
+ .name = "28dr",
+ },
+ {
+ .id = 0x62,
+ .name = "29dr",
+ },
};
+#endif
-static int chip_id(void)
+int chip_id(unsigned char id)
{
struct pt_regs regs;
- regs.regs[0] = ZYNQMP_SIP_SVC_CSU_DMA_CHIPID;
- regs.regs[1] = 0;
- regs.regs[2] = 0;
- regs.regs[3] = 0;
-
- smc_call(®s);
+ int val = -EINVAL;
- /*
- * SMC returns:
- * regs[0][31:0] = status of the operation
- * regs[0][63:32] = CSU.IDCODE register
- * regs[1][31:0] = CSU.version register
- */
- regs.regs[0] = upper_32_bits(regs.regs[0]);
- regs.regs[0] &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK |
- ZYNQMP_CSU_IDCODE_SVD_MASK;
- regs.regs[0] >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;
+ if (current_el() != 3) {
+ regs.regs[0] = ZYNQMP_SIP_SVC_CSU_DMA_CHIPID;
+ regs.regs[1] = 0;
+ regs.regs[2] = 0;
+ regs.regs[3] = 0;
+
+ smc_call(®s);
+
+ /*
+ * SMC returns:
+ * regs[0][31:0] = status of the operation
+ * regs[0][63:32] = CSU.IDCODE register
+ * regs[1][31:0] = CSU.version register
+ * regs[1][63:32] = CSU.IDCODE2 register
+ */
+ switch (id) {
+ case IDCODE:
+ regs.regs[0] = upper_32_bits(regs.regs[0]);
+ regs.regs[0] &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK |
+ ZYNQMP_CSU_IDCODE_SVD_MASK;
+ regs.regs[0] >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;
+ val = regs.regs[0];
+ break;
+ case VERSION:
+ regs.regs[1] = lower_32_bits(regs.regs[1]);
+ regs.regs[1] &= ZYNQMP_CSU_SILICON_VER_MASK;
+ val = regs.regs[1];
+ break;
+ case IDCODE2:
+ regs.regs[1] = lower_32_bits(regs.regs[1]);
+ regs.regs[1] >>= ZYNQMP_CSU_VERSION_EMPTY_SHIFT;
+ val = regs.regs[1];
+ break;
+ default:
+ printf("%s, Invalid Req:0x%x\n", __func__, id);
+ }
+ } else {
+ switch (id) {
+ case IDCODE:
+ val = readl(ZYNQMP_CSU_IDCODE_ADDR);
+ val &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK |
+ ZYNQMP_CSU_IDCODE_SVD_MASK;
+ val >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;
+ break;
+ case VERSION:
+ val = readl(ZYNQMP_CSU_VER_ADDR);
+ val &= ZYNQMP_CSU_SILICON_VER_MASK;
+ break;
+ default:
+ printf("%s, Invalid Req:0x%x\n", __func__, id);
+ }
+ }
- return regs.regs[0];
+ return val;
}
+#define ZYNQMP_VERSION_SIZE 9
+#define ZYNQMP_PL_STATUS_BIT 9
+#define ZYNQMP_IPDIS_VCU_BIT 8
+#define ZYNQMP_PL_STATUS_MASK BIT(ZYNQMP_PL_STATUS_BIT)
+#define ZYNQMP_CSU_VERSION_MASK ~(ZYNQMP_PL_STATUS_MASK)
+#define ZYNQMP_CSU_VCUDIS_VER_MASK ZYNQMP_CSU_VERSION_MASK & \
+ ~BIT(ZYNQMP_IPDIS_VCU_BIT)
+#define MAX_VARIANTS_EV 3
+
+#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
+ !defined(CONFIG_SPL_BUILD)
static char *zynqmp_get_silicon_idcode_name(void)
{
- uint32_t i, id;
+ u32 i, id, ver, j;
+ char *buf;
+ static char name[ZYNQMP_VERSION_SIZE];
+
+ id = chip_id(IDCODE);
+ ver = chip_id(IDCODE2);
- id = chip_id();
for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
- if (zynqmp_devices[i].id == id)
- return zynqmp_devices[i].name;
+ if (zynqmp_devices[i].id == id) {
+ if (zynqmp_devices[i].evexists &&
+ !(ver & ZYNQMP_PL_STATUS_MASK))
+ break;
+ if (zynqmp_devices[i].ver == (ver &
+ ZYNQMP_CSU_VERSION_MASK))
+ break;
+ }
}
- return "unknown";
+
+ if (i >= ARRAY_SIZE(zynqmp_devices))
+ return "unknown";
+
+ strncat(name, "zu", 2);
+ if (!zynqmp_devices[i].evexists ||
+ (ver & ZYNQMP_PL_STATUS_MASK)) {
+ strncat(name, zynqmp_devices[i].name,
+ ZYNQMP_VERSION_SIZE - 3);
+ return name;
+ }
+
+ /*
+ * Here we are means, PL not powered up and ev variant
+ * exists. So, we need to ignore VCU disable bit(8) in
+ * version and findout if its CG or EG/EV variant.
+ */
+ for (j = 0; j < MAX_VARIANTS_EV; j++, i++) {
+ if ((zynqmp_devices[i].ver & ~BIT(ZYNQMP_IPDIS_VCU_BIT)) ==
+ (ver & ZYNQMP_CSU_VCUDIS_VER_MASK)) {
+ strncat(name, zynqmp_devices[i].name,
+ ZYNQMP_VERSION_SIZE - 3);
+ break;
+ }
+ }
+
+ if (j >= MAX_VARIANTS_EV)
+ return "unknown";
+
+ if (strstr(name, "eg") || strstr(name, "ev")) {
+ buf = strstr(name, "e");
+ *buf = '\0';
+ }
+
+ return name;
}
#endif
-#define ZYNQMP_VERSION_SIZE 9
+int board_early_init_f(void)
+{
+ int ret = 0;
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_CLK_ZYNQMP)
+ u32 pm_api_version;
+
+ pm_api_version = zynqmp_pmufw_version();
+ printf("PMUFW:\tv%d.%d\n",
+ pm_api_version >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
+ pm_api_version & ZYNQMP_PM_VERSION_MINOR_MASK);
+
+ if (pm_api_version < ZYNQMP_PM_VERSION)
+ panic("PMUFW version error. Expected: v%d.%d\n",
+ ZYNQMP_PM_VERSION_MAJOR, ZYNQMP_PM_VERSION_MINOR);
+#endif
+
+#if defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED)
+ ret = psu_init();
+#endif
+
+#if defined(CONFIG_WDT) && !defined(CONFIG_SPL_BUILD)
+ /* bss is not cleared at time when watchdog_reset() is called */
+ watchdog_dev = NULL;
+#endif
+
+ return ret;
+}
int board_init(void)
{
!defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_FPGA_SUPPORT) && \
defined(CONFIG_SPL_BUILD))
if (current_el() != 3) {
- static char version[ZYNQMP_VERSION_SIZE];
-
- strncat(version, "xczu", ZYNQMP_VERSION_SIZE);
- zynqmppl.name = strncat(version,
- zynqmp_get_silicon_idcode_name(),
- ZYNQMP_VERSION_SIZE);
+ zynqmppl.name = zynqmp_get_silicon_idcode_name();
printf("Chip ID:\t%s\n", zynqmppl.name);
fpga_init();
fpga_add(fpga_xilinx, &zynqmppl);
}
#endif
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
+ if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) {
+ debug("Watchdog: Not found by seq!\n");
+ if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
+ puts("Watchdog: Not found!\n");
+ return 0;
+ }
+ }
+
+ wdt_start(watchdog_dev, 0, 0);
+ puts("Watchdog: Started\n");
+#endif
+
return 0;
}
+#ifdef CONFIG_WATCHDOG
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+# if !defined(CONFIG_SPL_BUILD)
+ static ulong next_reset;
+ ulong now;
+
+ if (!watchdog_dev)
+ return;
+
+ now = timer_get_us();
+
+ /* Do not reset the watchdog too often */
+ if (now > next_reset) {
+ wdt_reset(watchdog_dev);
+ next_reset = now + 1000;
+ }
+# endif
+}
+#endif
+
int board_early_init_r(void)
{
u32 val;
- if (current_el() == 3) {
+ 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);
writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
&iou_scntr_secure->counter_control_register);
}
- /* Program freq register in System counter and enable system counter */
- writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
- writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
- ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
- &iou_scntr->counter_control_register);
-
return 0;
}
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)
{
- fdtdec_setup_memory_banksize();
+ int ret;
+
+ ret = fdtdec_setup_memory_banksize();
+ if (ret)
+ return ret;
+
+ mem_map_fill();
return 0;
}
int dram_init(void)
{
- if (fdtdec_setup_memory_size() != 0)
+ if (fdtdec_setup_mem_size_base() != 0)
return -EINVAL;
return 0;
}
#else
+int dram_init_banksize(void)
+{
+#if defined(CONFIG_NR_DRAM_BANKS)
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = get_effective_memsize();
+#endif
+
+ mem_map_fill();
+
+ return 0;
+}
+
int dram_init(void)
{
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
return 0;
}
{
}
+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 u32 reset_reason(void)
+{
+ u32 ret;
+ int i;
+ const char *reason = NULL;
+
+ ret = readl(&crlapb_base->reset_reason);
+
+ puts("Reset reason:\t");
+
+ for (i = 0; i < ARRAY_SIZE(reset_reasons); i++) {
+ if (ret & reset_reasons[i].bit) {
+ reason = reset_reasons[i].name;
+ printf("%s ", reset_reasons[i].name);
+ break;
+ }
+ }
+
+ puts("\n");
+
+ env_set("reset_reason", reason);
+
+ writel(~0, &crlapb_base->reset_reason);
+
+ return ret;
+}
+
int board_late_init(void)
{
u32 reg = 0;
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;
+
+#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;
}
- reg = readl(&crlapb_base->boot_mode);
+ ret = zynqmp_mmio_read((ulong)&crlapb_base->boot_mode, ®);
+ if (ret)
+ return -EINVAL;
+
if (reg >> BOOT_MODE_ALT_SHIFT)
reg >>= BOOT_MODE_ALT_SHIFT;
case USB_MODE:
puts("USB_MODE\n");
mode = "usb";
+ env_set("modeboot", "usb_dfu_spl");
break;
case JTAG_MODE:
puts("JTAG_MODE\n");
mode = "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");
mode = "mmc0";
+ env_set("modeboot", "emmcboot");
break;
case SD_MODE:
puts("SD_MODE\n");
- mode = "mmc0";
+ if (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);
+
+ mode = "mmc";
+ bootseq = dev->seq;
+ env_set("modeboot", "sdboot");
break;
case SD1_LSHFT_MODE:
puts("LVL_SHFT_");
/* fall through */
case SD_MODE1:
puts("SD_MODE1\n");
-#if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)
- mode = "mmc1";
-#else
- mode = "mmc0";
-#endif
+ if (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);
+
+ mode = "mmc";
+ bootseq = dev->seq;
+ env_set("modeboot", "sdboot");
break;
case NAND_MODE:
puts("NAND_MODE\n");
mode = "nand0";
+ env_set("modeboot", "nandboot");
break;
default:
mode = "";
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
*/
- new_targets = calloc(1, strlen(mode) +
- strlen(getenv("boot_targets")) + 2);
+ env_targets = env_get("boot_targets");
+ if (env_targets)
+ env_targets_len = strlen(env_targets);
- sprintf(new_targets, "%s %s", mode, getenv("boot_targets"));
- setenv("boot_targets", new_targets);
+ new_targets = calloc(1, strlen(mode) + env_targets_len + 2 +
+ bootseq_len);
+ if (!new_targets)
+ return -ENOMEM;
- return 0;
-}
+ 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 : "");
-int checkboard(void)
-{
- puts("Board: Xilinx ZynqMP\n");
- return 0;
-}
+ env_set("boot_targets", new_targets);
-#ifdef CONFIG_USB_DWC3
-static struct dwc3_device dwc3_device_data0 = {
- .maximum_speed = USB_SPEED_HIGH,
- .base = ZYNQMP_USB0_XHCI_BASEADDR,
- .dr_mode = USB_DR_MODE_PERIPHERAL,
- .index = 0,
-};
+ reset_reason();
-static struct dwc3_device dwc3_device_data1 = {
- .maximum_speed = USB_SPEED_HIGH,
- .base = ZYNQMP_USB1_XHCI_BASEADDR,
- .dr_mode = USB_DR_MODE_PERIPHERAL,
- .index = 1,
-};
-
-int usb_gadget_handle_interrupts(int index)
-{
- dwc3_uboot_handle_interrupt(index);
return 0;
}
-int board_usb_init(int index, enum usb_init_type init)
-{
- debug("%s: index %x\n", __func__, index);
-
-#if defined(CONFIG_USB_GADGET_DOWNLOAD)
- g_dnl_set_serialnumber(CONFIG_SYS_CONFIG_NAME);
-#endif
-
- switch (index) {
- case 0:
- return dwc3_uboot_init(&dwc3_device_data0);
- case 1:
- return dwc3_uboot_init(&dwc3_device_data1);
- };
-
- return -1;
-}
-
-int board_usb_cleanup(int index, enum usb_init_type init)
+int checkboard(void)
{
- dwc3_uboot_exit(index);
+ puts("Board: Xilinx ZynqMP\n");
return 0;
}
-#endif
projects / platform / kernel / u-boot.git / blobdiff