]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - arch/arm/mach-socfpga/spl.c
spl: eMMC/SD: Provide one __weak spl_boot_mode() function
[people/ms/u-boot.git] / arch / arm / mach-socfpga / spl.c
index f9946584521a941fdde5e575bad833b34ebe909b..9bf3b9a446a1840a6052684f35c755cc9c3b2ba5 100644 (file)
 #include <asm/arch/clock_manager.h>
 #include <asm/arch/scan_manager.h>
 #include <asm/arch/sdram.h>
+#include <asm/arch/scu.h>
+#include <asm/arch/nic301.h>
+#include <asm/sections.h>
+#include <fdtdec.h>
+#include <watchdog.h>
+#if defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+#include <asm/arch/pinmux.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
 static struct pl310_regs *const pl310 =
        (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+static struct scu_registers *scu_regs =
+       (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS;
+static struct nic301_registers *nic301_regs =
+       (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS;
+#endif
 
-#define MAIN_VCO_BASE (                                        \
-       (CONFIG_HPS_MAINPLLGRP_VCO_DENOM <<             \
-               CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) |   \
-       (CONFIG_HPS_MAINPLLGRP_VCO_NUMER <<             \
-               CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET)     \
-       )
-
-#define PERI_VCO_BASE (                                        \
-       (CONFIG_HPS_PERPLLGRP_VCO_PSRC <<               \
-               CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET) |     \
-       (CONFIG_HPS_PERPLLGRP_VCO_DENOM <<              \
-               CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) |    \
-       (CONFIG_HPS_PERPLLGRP_VCO_NUMER <<              \
-               CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET)      \
-       )
-
-#define SDR_VCO_BASE (                                 \
-       (CONFIG_HPS_SDRPLLGRP_VCO_SSRC <<               \
-               CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET) |     \
-       (CONFIG_HPS_SDRPLLGRP_VCO_DENOM <<              \
-               CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) |    \
-       (CONFIG_HPS_SDRPLLGRP_VCO_NUMER <<              \
-               CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET)      \
-       )
+static const struct socfpga_system_manager *sysmgr_regs =
+       (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
+u32 spl_boot_device(void)
+{
+       const u32 bsel = readl(&sysmgr_regs->bootinfo);
+
+       switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) {
+       case 0x1:       /* FPGA (HPS2FPGA Bridge) */
+               return BOOT_DEVICE_RAM;
+       case 0x2:       /* NAND Flash (1.8V) */
+       case 0x3:       /* NAND Flash (3.0V) */
+               socfpga_per_reset(SOCFPGA_RESET(NAND), 0);
+               return BOOT_DEVICE_NAND;
+       case 0x4:       /* SD/MMC External Transceiver (1.8V) */
+       case 0x5:       /* SD/MMC Internal Transceiver (3.0V) */
+               socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0);
+               socfpga_per_reset(SOCFPGA_RESET(DMA), 0);
+               return BOOT_DEVICE_MMC1;
+       case 0x6:       /* QSPI Flash (1.8V) */
+       case 0x7:       /* QSPI Flash (3.0V) */
+               socfpga_per_reset(SOCFPGA_RESET(QSPI), 0);
+               return BOOT_DEVICE_SPI;
+       default:
+               printf("Invalid boot device (bsel=%08x)!\n", bsel);
+               hang();
+       }
+}
+
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
+static void socfpga_nic301_slave_ns(void)
+{
+       writel(0x1, &nic301_regs->lwhps2fpgaregs);
+       writel(0x1, &nic301_regs->hps2fpgaregs);
+       writel(0x1, &nic301_regs->acp);
+       writel(0x1, &nic301_regs->rom);
+       writel(0x1, &nic301_regs->ocram);
+       writel(0x1, &nic301_regs->sdrdata);
+}
 
 void board_init_f(ulong dummy)
 {
-       struct socfpga_system_manager *sysmgr_regs =
-               (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
+       const struct cm_config *cm_default_cfg = cm_get_default_config();
+#endif
+       unsigned long sdram_size;
        unsigned long reg;
+
        /*
         * First C code to run. Clear fake OCRAM ECC first as SBE
         * and DBE might triggered during power on
@@ -67,137 +99,55 @@ void board_init_f(ulong dummy)
 
        memset(__bss_start, 0, __bss_end - __bss_start);
 
-       /* Remap SDRAM to 0x0 */
-       writel(0x1, &pl310->pl310_addr_filter_start);
+       socfpga_nic301_slave_ns();
 
-       board_init_r(NULL, 0);
-}
+       /* Configure ARM MPU SNSAC register. */
+       setbits_le32(&scu_regs->sacr, 0xfff);
 
-u32 spl_boot_device(void)
-{
-       return BOOT_DEVICE_RAM;
-}
+       /* Remap SDRAM to 0x0 */
+       writel(0x1, &nic301_regs->remap);       /* remap.mpuzero */
+       writel(0x1, &pl310->pl310_addr_filter_start);
 
-/*
- * Board initialization after bss clearance
- */
-void spl_board_init(void)
-{
-       unsigned long sdram_size;
 #ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
-       cm_config_t cm_default_cfg = {
-               /* main group */
-               MAIN_VCO_BASE,
-               (CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT <<
-                       CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT <<
-                       CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT <<
-                       CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT <<
-                       CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT <<
-                       CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT <<
-                       CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK <<
-                       CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET) |
-               (CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK <<
-                       CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET) |
-               (CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK <<
-                       CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET) |
-               (CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK <<
-                       CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK <<
-                       CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET) |
-               (CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK <<
-                       CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK <<
-                       CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET),
-               (CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP <<
-                       CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET) |
-               (CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP <<
-                       CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET),
-
-               /* peripheral group */
-               PERI_VCO_BASE,
-               (CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT <<
-                       CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT <<
-                       CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT <<
-                       CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT <<
-                       CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT <<
-                       CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT <<
-                       CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_DIV_USBCLK <<
-                       CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET) |
-               (CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK <<
-                       CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET) |
-               (CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK <<
-                       CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET) |
-               (CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK <<
-                       CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK <<
-                       CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET),
-               (CONFIG_HPS_PERPLLGRP_SRC_QSPI <<
-                       CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET) |
-               (CONFIG_HPS_PERPLLGRP_SRC_NAND <<
-                       CLKMGR_PERPLLGRP_SRC_NAND_OFFSET) |
-               (CONFIG_HPS_PERPLLGRP_SRC_SDMMC <<
-                       CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET),
-
-               /* sdram pll group */
-               SDR_VCO_BASE,
-               (CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE <<
-                       CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET) |
-               (CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT <<
-                       CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET),
-               (CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE <<
-                       CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET) |
-               (CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT <<
-                       CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET),
-               (CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE <<
-                       CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET) |
-               (CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT <<
-                       CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET),
-               (CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE <<
-                       CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET) |
-               (CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT <<
-                       CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET),
-
-       };
-
        debug("Freezing all I/O banks\n");
        /* freeze all IO banks */
        sys_mgr_frzctrl_freeze_req();
 
-       socfpga_sdram_enable();
-       socfpga_uart0_enable();
-       socfpga_osc1timer_enable();
+       /* Put everything into reset but L4WD0. */
+       socfpga_per_reset_all();
+       /* Put FPGA bridges into reset too. */
+       socfpga_bridges_reset(1);
+
+       socfpga_per_reset(SOCFPGA_RESET(SDR), 0);
+       socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
+       socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0);
 
        timer_init();
 
        debug("Reconfigure Clock Manager\n");
        /* reconfigure the PLLs */
-       cm_basic_init(&cm_default_cfg);
+       if (cm_basic_init(cm_default_cfg))
+               hang();
 
        /* Enable bootrom to configure IOs. */
-       sysmgr_enable_warmrstcfgio();
+       sysmgr_config_warmrstcfgio(1);
 
        /* configure the IOCSR / IO buffer settings */
        if (scan_mgr_configure_iocsr())
                hang();
 
+       sysmgr_config_warmrstcfgio(0);
+
        /* configure the pin muxing through system manager */
+       sysmgr_config_warmrstcfgio(1);
        sysmgr_pinmux_init();
+       sysmgr_config_warmrstcfgio(0);
+
 #endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */
 
-       /* de-assert reset for peripherals and bridges based on handoff */
+       /* De-assert reset for peripherals and bridges based on handoff */
        reset_deassert_peripherals_handoff();
+       socfpga_bridges_reset(0);
 
        debug("Unfreezing/Thaw all I/O banks\n");
        /* unfreeze / thaw all IO banks */
@@ -226,4 +176,48 @@ void spl_board_init(void)
                puts("SDRAM size check failed!\n");
                hang();
        }
+
+       socfpga_bridges_reset(1);
+
+       /* Configure simple malloc base pointer into RAM. */
+       gd->malloc_base = CONFIG_SYS_TEXT_BASE + (1024 * 1024);
+}
+#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+void spl_board_init(void)
+{
+       /* configuring the clock based on handoff */
+       cm_basic_init(gd->fdt_blob);
+       WATCHDOG_RESET();
+
+       config_dedicated_pins(gd->fdt_blob);
+       WATCHDOG_RESET();
+
+       /* Release UART from reset */
+       socfpga_reset_uart(0);
+
+       /* enable console uart printing */
+       preloader_console_init();
+}
+
+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();
+
+       socfpga_watchdog_disable();
+
+       arch_early_init_r();
+
+#ifdef CONFIG_HW_WATCHDOG
+       /* release osc1 watchdog timer 0 from reset */
+       socfpga_reset_deassert_osc1wd0();
+
+       /* reconfigure and enable the watchdog */
+       hw_watchdog_init();
+       WATCHDOG_RESET();
+#endif /* CONFIG_HW_WATCHDOG */
 }
+#endif