158 lines
3.5 KiB
C
158 lines
3.5 KiB
C
/*
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* Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
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*
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* (C) Copyright 2008
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* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <ioports.h>
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#include <mpc83xx.h>
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#include <asm/mpc8349_pci.h>
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#include <pci.h>
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#include <spi.h>
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#include <asm/mmu.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#endif
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#include "mvblm7.h"
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int fixed_sdram(void)
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{
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volatile immap_t *im = (immap_t *)CFG_IMMR;
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u32 msize = 0;
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u32 ddr_size;
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u32 ddr_size_log2;
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msize = CFG_DDR_SIZE;
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for (ddr_size = msize << 20, ddr_size_log2 = 0;
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(ddr_size > 1);
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ddr_size = ddr_size >> 1, ddr_size_log2++) {
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if (ddr_size & 1)
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return -1;
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}
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im->sysconf.ddrlaw[0].bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
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im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) &
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LAWAR_SIZE);
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im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
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im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
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im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
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im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
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im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
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im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
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im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
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im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
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im->ddr.sdram_mode = CFG_DDR_MODE;
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im->ddr.sdram_interval = CFG_DDR_INTERVAL;
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im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
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udelay(300);
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im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
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return CFG_DDR_SIZE;
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}
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phys_size_t initdram(int board_type)
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{
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volatile immap_t *im = (immap_t *) CFG_IMMR;
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u32 msize = 0;
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if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
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return -1;
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im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
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msize = fixed_sdram();
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/* return total bus RAM size(bytes) */
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return msize * 1024 * 1024;
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}
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int checkboard(void)
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{
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puts("Board: Matrix Vision mvBlueLYNX-M7 " MV_VERSION "\n");
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return 0;
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}
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u8 *dhcp_vendorex_prep(u8 *e)
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{
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char *ptr;
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/* DHCP vendor-class-identifier = 60 */
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ptr = getenv("dhcp_vendor-class-identifier");
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if (ptr) {
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*e++ = 60;
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*e++ = strlen(ptr);
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while (*ptr)
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*e++ = *ptr++;
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}
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/* DHCP_CLIENT_IDENTIFIER = 61 */
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ptr = getenv("dhcp_client_id");
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if (ptr) {
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*e++ = 61;
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*e++ = strlen(ptr);
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while (*ptr)
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*e++ = *ptr++;
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}
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return e;
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}
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u8 *dhcp_vendorex_proc(u8 *popt)
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{
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return NULL;
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}
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#ifdef CONFIG_HARD_SPI
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int spi_cs_is_valid(unsigned int bus, unsigned int cs)
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{
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return bus == 0 && cs == 0;
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}
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void spi_cs_activate(struct spi_slave *slave)
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{
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volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
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iopd->dat &= ~MVBLM7_MMC_CS;
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}
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void spi_cs_deactivate(struct spi_slave *slave)
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{
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volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
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iopd->dat |= ~MVBLM7_MMC_CS;
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}
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#endif
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#if defined(CONFIG_OF_BOARD_SETUP)
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void ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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#ifdef CONFIG_PCI
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ft_pci_setup(blob, bd);
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#endif
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}
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#endif
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