upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/xilinx/zynqmp/zynqmp.c

335 lines
6.3 KiB

/*
* (C) Copyright 2014 - 2015 Xilinx, Inc.
* Michal Simek <michal.simek@xilinx.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <sata.h>
#include <ahci.h>
#include <scsi.h>
#include <malloc.h>
#include <asm/arch/clk.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <usb.h>
#include <dwc3-uboot.h>
#include <zynqmppl.h>
#include <i2c.h>
#include <g_dnl.h>
DECLARE_GLOBAL_DATA_PTR;
#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;
char *name;
} zynqmp_devices[] = {
{
.id = 0x10,
.name = "3eg",
},
{
.id = 0x11,
.name = "2eg",
},
{
.id = 0x20,
.name = "5ev",
},
{
.id = 0x21,
.name = "4ev",
},
{
.id = 0x30,
.name = "7ev",
},
{
.id = 0x38,
.name = "9eg",
},
{
.id = 0x39,
.name = "6eg",
},
{
.id = 0x40,
.name = "11eg",
},
{
.id = 0x50,
.name = "15eg",
},
{
.id = 0x58,
.name = "19eg",
},
{
.id = 0x59,
.name = "17eg",
},
};
static int chip_id(void)
{
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(&regs);
/*
* 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;
return regs.regs[0];
}
static char *zynqmp_get_silicon_idcode_name(void)
{
uint32_t i, id;
id = chip_id();
for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
if (zynqmp_devices[i].id == id)
return zynqmp_devices[i].name;
}
return "unknown";
}
#endif
#define ZYNQMP_VERSION_SIZE 9
int board_init(void)
{
printf("EL Level:\tEL%d\n", current_el());
#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
!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);
printf("Chip ID:\t%s\n", zynqmppl.name);
fpga_init();
fpga_add(fpga_xilinx, &zynqmppl);
}
#endif
return 0;
}
int board_early_init_r(void)
{
u32 val;
if (current_el() == 3) {
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);
}
/* 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;
}
int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
{
#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \
defined(CONFIG_ZYNQ_EEPROM_BUS)
i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS);
if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
ethaddr, 6))
printf("I2C EEPROM MAC address read failed\n");
#endif
return 0;
}
#if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
int dram_init_banksize(void)
{
fdtdec_setup_memory_banksize();
return 0;
}
int dram_init(void)
{
if (fdtdec_setup_memory_size() != 0)
return -EINVAL;
return 0;
}
#else
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
#endif
void reset_cpu(ulong addr)
{
}
int board_late_init(void)
{
u32 reg = 0;
u8 bootmode;
const char *mode;
char *new_targets;
if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
debug("Saved variables - Skipping\n");
return 0;
}
reg = readl(&crlapb_base->boot_mode);
if (reg >> BOOT_MODE_ALT_SHIFT)
reg >>= BOOT_MODE_ALT_SHIFT;
bootmode = reg & BOOT_MODES_MASK;
puts("Bootmode: ");
switch (bootmode) {
case USB_MODE:
puts("USB_MODE\n");
mode = "usb";
break;
case JTAG_MODE:
puts("JTAG_MODE\n");
mode = "pxe dhcp";
break;
case QSPI_MODE_24BIT:
case QSPI_MODE_32BIT:
mode = "qspi0";
puts("QSPI_MODE\n");
break;
case EMMC_MODE:
puts("EMMC_MODE\n");
mode = "mmc0";
break;
case SD_MODE:
puts("SD_MODE\n");
mode = "mmc0";
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
break;
case NAND_MODE:
puts("NAND_MODE\n");
mode = "nand0";
break;
default:
mode = "";
printf("Invalid Boot Mode:0x%x\n", bootmode);
break;
}
/*
* One terminating char + one byte for space between mode
* and default boot_targets
*/
new_targets = calloc(1, strlen(mode) +
strlen(getenv("boot_targets")) + 2);
sprintf(new_targets, "%s %s", mode, getenv("boot_targets"));
setenv("boot_targets", new_targets);
return 0;
}
int checkboard(void)
{
puts("Board: Xilinx ZynqMP\n");
return 0;
}
#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,
};
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)
{
dwc3_uboot_exit(index);
return 0;
}
#endif