/* * (C) Copyright 2000-2005 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include long int spd_sdram(void); int board_early_init_f(void) { mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ mtdcr(UIC0ER, 0x00000000); /* disable all ints */ mtdcr(UIC0CR, 0x00000010); mtdcr(UIC0PR, 0xFFFF7FF0); /* set int polarities */ mtdcr(UIC0TR, 0x00000010); /* set int trigger levels */ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ /* * Configure CPC0_PCI to enable PerWE as output * and enable the internal PCI arbiter if selected */ if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB) mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); else mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN); return 0; } /* * Check Board Identity: */ int checkboard(void) { char buf[64]; int i = getenv_f("serial#", buf, sizeof(buf)); puts("Board: Bubinga - AMCC PPC405EP Evaluation Board"); if (i > 0) { puts(", serial# "); puts(buf); } putc('\n'); return (0); } /* ------------------------------------------------------------------------- initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of the necessary info for SDRAM controller configuration ------------------------------------------------------------------------- */ phys_size_t initdram(int board_type) { long int ret; ret = spd_sdram(); return ret; }