// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ * Copyright (C) 2012-2019 Altera Corporation <www.altera.com>
*/
#include <common.h>
+#include <cpu_func.h>
+#include <hang.h>
+#include <init.h>
#include <asm/io.h>
#include <asm/pl310.h>
#include <asm/u-boot.h>
#include <fdtdec.h>
#include <watchdog.h>
#include <asm/arch/pinmux.h>
+#include <asm/arch/fpga_manager.h>
+#include <mmc.h>
+#include <memalign.h>
+
+#define FPGA_BUFSIZ 16 * 1024
DECLARE_GLOBAL_DATA_PTR;
-static const struct socfpga_system_manager *sysmgr_regs =
- (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+#define BOOTROM_SHARED_MEM_SIZE 0x800 /* 2KB */
+#define BOOTROM_SHARED_MEM_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
+ SOCFPGA_PHYS_OCRAM_SIZE - \
+ BOOTROM_SHARED_MEM_SIZE)
+#define RST_STATUS_SHARED_ADDR (BOOTROM_SHARED_MEM_ADDR + 0x438)
+static u32 rst_mgr_status __section(.data);
+
+/*
+ * Bootrom will clear the status register in reset manager and stores the
+ * reset status value in shared memory. Bootrom stores shared data at last
+ * 2KB of onchip RAM.
+ * This function save reset status provided by BootROM to rst_mgr_status.
+ * More information about reset status register value can be found in reset
+ * manager register description.
+ * When running in debugger without Bootrom, r0 to r3 are random values.
+ * So, skip save the value when r0 is not BootROM shared data address.
+ *
+ * r0 - Contains the pointer to the shared memory block. The shared
+ * memory block is located in the top 2 KB of on-chip RAM.
+ * r1 - contains the length of the shared memory.
+ * r2 - unused and set to 0x0.
+ * r3 - points to the version block.
+ */
+void save_boot_params(unsigned long r0, unsigned long r1, unsigned long r2,
+ unsigned long r3)
+{
+ if (r0 == BOOTROM_SHARED_MEM_ADDR)
+ rst_mgr_status = readl(RST_STATUS_SHARED_ADDR);
+
+ save_boot_params_ret();
+}
u32 spl_boot_device(void)
{
- const u32 bsel = readl(&sysmgr_regs->bootinfo);
+ const u32 bsel = readl(socfpga_get_sysmgr_addr() + SYSMGR_A10_BOOTINFO);
switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) {
case 0x1: /* FPGA (HPS2FPGA Bridge) */
}
#ifdef CONFIG_SPL_MMC_SUPPORT
-u32 spl_boot_mode(const u32 boot_device)
+u32 spl_mmc_boot_mode(const u32 boot_device)
{
-#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
+#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
return MMCSD_MODE_FS;
#else
return MMCSD_MODE_RAW;
void spl_board_init(void)
{
- /* configuring the clock based on handoff */
- cm_basic_init(gd->fdt_blob);
- WATCHDOG_RESET();
+ ALLOC_CACHE_ALIGN_BUFFER(char, buf, FPGA_BUFSIZ);
- config_dedicated_pins(gd->fdt_blob);
+ /* enable console uart printing */
+ preloader_console_init();
WATCHDOG_RESET();
- /* Release UART from reset */
- socfpga_reset_uart(0);
+ arch_early_init_r();
- /* enable console uart printing */
- preloader_console_init();
+ /* If the full FPGA is already loaded, ie.from EPCQ, config fpga pins */
+ if (is_fpgamgr_user_mode()) {
+ int ret = config_pins(gd->fdt_blob, "shared");
- WATCHDOG_RESET();
+ if (ret)
+ return;
+
+ ret = config_pins(gd->fdt_blob, "fpga");
+ if (ret)
+ return;
+ } else if (!is_fpgamgr_early_user_mode()) {
+ /* Program IOSSM(early IO release) or full FPGA */
+ fpgamgr_program(buf, FPGA_BUFSIZ, 0);
+ }
- /* Add device descriptor to FPGA device table */
- socfpga_fpga_add();
+ /* If the IOSSM/full FPGA is already loaded, start DDR */
+ if (is_fpgamgr_early_user_mode() || is_fpgamgr_user_mode())
+ ddr_calibration_sequence();
+
+ if (!is_fpgamgr_user_mode())
+ fpgamgr_program(buf, FPGA_BUFSIZ, 0);
}
void board_init_f(ulong dummy)
{
- /*
- * Configure Clock Manager to use intosc clock instead external osc to
- * ensure success watchdog operation. We do it as early as possible.
- */
- cm_use_intosc();
+ if (spl_early_init())
+ hang();
+
+ socfpga_get_managers_addr();
+ dcache_disable();
+
+ socfpga_init_security_policies();
+ socfpga_sdram_remap_zero();
+ socfpga_pl310_clear();
+
+ /* Assert reset to all except L4WD0 and L4TIMER0 */
+ socfpga_per_reset_all();
socfpga_watchdog_disable();
- arch_early_init_r();
+ /* Configure the clock based on handoff */
+ cm_basic_init(gd->fdt_blob);
#ifdef CONFIG_HW_WATCHDOG
/* release osc1 watchdog timer 0 from reset */
hw_watchdog_init();
WATCHDOG_RESET();
#endif /* CONFIG_HW_WATCHDOG */
+
+ config_dedicated_pins(gd->fdt_blob);
+ WATCHDOG_RESET();
}