2 * Copyright (C) 2012 Altera Corporation <www.altera.com>
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/reset_manager.h>
12 #include <asm/arch/system_manager.h>
13 #include <asm/arch/dwmmc.h>
15 DECLARE_GLOBAL_DATA_PTR;
17 static struct socfpga_system_manager *sysmgr_regs =
18 (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
22 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
27 * DesignWare Ethernet initialization
29 #ifdef CONFIG_DESIGNWARE_ETH
30 int cpu_eth_init(bd_t *bis)
32 #if CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS
33 const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB;
34 #elif CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS
35 const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB;
37 #error "Incorrect CONFIG_EMAC_BASE value!"
40 /* Initialize EMAC. This needs to be done at least once per boot. */
43 * Putting the EMAC controller to reset when configuring the PHY
44 * interface select at System Manager
46 socfpga_emac_reset(1);
48 /* Clearing emac0 PHY interface select to 0 */
49 clrbits_le32(&sysmgr_regs->emacgrp_ctrl,
50 SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << physhift);
52 /* configure to PHY interface select choosed */
53 setbits_le32(&sysmgr_regs->emacgrp_ctrl,
54 SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift);
56 /* Release the EMAC controller from reset */
57 socfpga_emac_reset(0);
59 /* initialize and register the emac */
60 return designware_initialize(CONFIG_EMAC_BASE,
61 CONFIG_PHY_INTERFACE_MODE);
67 * Initializes MMC controllers.
68 * to override, implement board_mmc_init()
70 int cpu_mmc_init(bd_t *bis)
72 return socfpga_dwmmc_init(SOCFPGA_SDMMC_ADDRESS,
73 CONFIG_HPS_SDMMC_BUSWIDTH, 0);
77 #if defined(CONFIG_DISPLAY_CPUINFO)
79 * Print CPU information
81 int print_cpuinfo(void)
83 puts("CPU: Altera SoCFPGA Platform\n");
88 #if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && \
89 defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
90 int overwrite_console(void)
96 int arch_cpu_init(void)
99 * If the HW watchdog is NOT enabled, make sure it is not running,
100 * for example because it was enabled in the preloader. This might
101 * trigger a watchdog-triggered reboot of Linux kernel later.
103 #ifndef CONFIG_HW_WATCHDOG
104 socfpga_watchdog_reset();
109 int misc_init_r(void)