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+/*
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+ * (C) Copyright 2006
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+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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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+ */
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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 <i2c.h>
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+#include <spd.h>
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+#include <miiphy.h>
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+#include <command.h>
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+#if defined(CONFIG_PCI)
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+#include <pci.h>
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+#endif
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+#if defined(CONFIG_SPD_EEPROM)
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+#include <spd_sdram.h>
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+#endif
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+int fixed_sdram(void);
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+void sdram_init(void);
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+
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+#if defined(CONFIG_DDR_ECC) && defined(CONFIG_MPC83XX)
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+void ddr_enable_ecc(unsigned int dram_size);
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+#endif
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+
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+int board_early_init_f (void)
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+{
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+ volatile u8* bcsr = (volatile u8*)CFG_BCSR;
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+
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+ /* Enable flash write */
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+ bcsr[1] &= ~0x01;
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+
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+ return 0;
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+}
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+
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+#define ns2clk(ns) (ns / (1000000000 / CONFIG_8349_CLKIN) + 1)
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+
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+long int initdram (int board_type)
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+{
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+ volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
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+ u32 msize = 0;
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+
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+ if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
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+ return -1;
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+
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+ puts("Initializing\n");
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+
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+ /* DDR SDRAM - Main SODIMM */
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+ im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
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+#if defined(CONFIG_SPD_EEPROM)
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+ msize = spd_sdram();
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+#else
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+ msize = fixed_sdram();
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+#endif
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+ /*
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+ * Initialize SDRAM if it is on local bus.
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+ */
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+ sdram_init();
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+
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+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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+ /*
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+ * Initialize and enable DDR ECC.
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+ */
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+ ddr_enable_ecc(msize * 1024 * 1024);
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+#endif
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+ puts(" DDR RAM: ");
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+ /* return total bus SDRAM size(bytes) -- DDR */
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+ return (msize * 1024 * 1024);
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+}
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+
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+#if !defined(CONFIG_SPD_EEPROM)
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+/*************************************************************************
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+ * fixed sdram init -- doesn't use serial presence detect.
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+ ************************************************************************/
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+int fixed_sdram(void)
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+{
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+ volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
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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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+
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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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+ }
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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) & LAWAR_SIZE);
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+
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+#if (CFG_DDR_SIZE != 256)
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+#warning Currenly any ddr size other than 256 is not supported
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+#endif
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+ im->ddr.csbnds[2].csbnds = 0x0000000f;
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+ im->ddr.cs_config[2] = CFG_DDR_CONFIG;
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+
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+ /* currently we use only one CS, so disable the other banks */
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+ im->ddr.cs_config[0] = 0;
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+ im->ddr.cs_config[1] = 0;
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+ im->ddr.cs_config[3] = 0;
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+
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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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+
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+ im->ddr.sdram_cfg =
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+ SDRAM_CFG_SREN
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+#if defined(CONFIG_DDR_2T_TIMING)
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+ | SDRAM_CFG_2T_EN
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+#endif
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+ | 2 << SDRAM_CFG_SDRAM_TYPE_SHIFT;
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+#if defined (CONFIG_DDR_32BIT)
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+ /* for 32-bit mode burst length is 8 */
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+ im->ddr.sdram_cfg |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE);
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+#endif
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+ im->ddr.sdram_mode = CFG_DDR_MODE;
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+
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+ im->ddr.sdram_interval = CFG_DDR_INTERVAL;
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+ udelay(200);
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+
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+ /* enable DDR controller */
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+ im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
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+ return msize;
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+}
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+#endif/*!CFG_SPD_EEPROM*/
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+
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+
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+int checkboard (void)
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+{
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+ puts("Board: Freescale MPC8349EMDS\n");
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+ return 0;
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+}
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+
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+#if defined(CONFIG_PCI)
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+/*
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+ * Initialize PCI Devices, report devices found
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+ */
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+#ifndef CONFIG_PCI_PNP
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+static struct pci_config_table pci_mpc8349emds_config_table[] = {
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+ {PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID,
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+ pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
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+ PCI_ENET0_MEMADDR,
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+ PCI_COMMON_MEMORY | PCI_COMMAND_MASTER
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+ } },
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+ {}
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+}
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+#endif
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+
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+volatile static struct pci_controller hose[] = {
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+ {
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+#ifndef CONFIG_PCI_PNP
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+ config_table:pci_mpc8349emds_config_table,
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+#endif
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+ },
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+ {
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+#ifndef CONFIG_PCI_PNP
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+ config_table:pci_mpc8349emds_config_table,
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+#endif
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+ }
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+};
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+#endif /* CONFIG_PCI */
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+
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+void pci_init_board(void)
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+{
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+#ifdef CONFIG_PCI
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+ extern void pci_mpc83xx_init(volatile struct pci_controller *hose);
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+
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+ pci_mpc83xx_init(hose);
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+#endif /* CONFIG_PCI */
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+}
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+
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+/*
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+ * if MPC8349EMDS is soldered with SDRAM
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+ */
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+#if defined(CFG_BR2_PRELIM) \
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+ && defined(CFG_OR2_PRELIM) \
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+ && defined(CFG_LBLAWBAR2_PRELIM) \
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+ && defined(CFG_LBLAWAR2_PRELIM)
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+/*
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+ * Initialize SDRAM memory on the Local Bus.
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+ */
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+
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+void sdram_init(void)
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+{
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+ volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
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+ volatile lbus8349_t *lbc= &immap->lbus;
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+ uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
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+
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+ puts("\n SDRAM on Local Bus: ");
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+ print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
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+
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+ /*
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+ * Setup SDRAM Base and Option Registers, already done in cpu_init.c
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+ */
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+
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+ /* setup mtrpt, lsrt and lbcr for LB bus */
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+ lbc->lbcr = CFG_LBC_LBCR;
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+ lbc->mrtpr = CFG_LBC_MRTPR;
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+ lbc->lsrt = CFG_LBC_LSRT;
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+ asm("sync");
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+
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+ /*
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+ * Configure the SDRAM controller Machine Mode Register.
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+ */
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+ lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation */
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+
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+ lbc->lsdmr = CFG_LBC_LSDMR_1; /* 0x68636733; precharge all the banks */
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+ asm("sync");
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+
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+ lbc->lsdmr = CFG_LBC_LSDMR_2; /* 0x48636733; auto refresh */
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+ asm("sync");
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+ /*1 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*2 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*3 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*4 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*5 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*6 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*7 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+ /*8 times*/
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+
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+ /* 0x58636733; mode register write operation */
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+ lbc->lsdmr = CFG_LBC_LSDMR_4;
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+ asm("sync");
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+
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+ lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation */
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+ asm("sync");
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+ *sdram_addr = 0xff;
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+ udelay(100);
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+}
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+#else
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+void sdram_init(void)
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+{
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+ put("SDRAM on Local Bus is NOT available!\n");
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+}
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+#endif
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+
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+#if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD)
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+/*
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+ * ECC user commands
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+ */
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+void ecc_print_status(void)
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+{
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+ volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
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+ volatile ddr8349_t *ddr = &immap->ddr;
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+
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+ printf("\nECC mode: %s\n\n", (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF");
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+
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+ /* Interrupts */
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+ printf("Memory Error Interrupt Enable:\n");
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+ printf(" Multiple-Bit Error Interrupt Enable: %d\n",
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+ (ddr->err_int_en & ECC_ERR_INT_EN_MBEE) ? 1 : 0);
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+ printf(" Single-Bit Error Interrupt Enable: %d\n",
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+ (ddr->err_int_en & ECC_ERR_INT_EN_SBEE) ? 1 : 0);
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+ printf(" Memory Select Error Interrupt Enable: %d\n\n",
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+ (ddr->err_int_en & ECC_ERR_INT_EN_MSEE) ? 1 : 0);
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+
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+ /* Error disable */
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+ printf("Memory Error Disable:\n");
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+ printf(" Multiple-Bit Error Disable: %d\n",
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+ (ddr->err_disable & ECC_ERROR_DISABLE_MBED) ? 1 : 0);
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+ printf(" Sinle-Bit Error Disable: %d\n",
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+ (ddr->err_disable & ECC_ERROR_DISABLE_SBED) ? 1 : 0);
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+ printf(" Memory Select Error Disable: %d\n\n",
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+ (ddr->err_disable & ECC_ERROR_DISABLE_MSED) ? 1 : 0);
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+
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+ /* Error injection */
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+ printf("Memory Data Path Error Injection Mask High/Low: %08lx %08lx\n",
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+ ddr->data_err_inject_hi, ddr->data_err_inject_lo);
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+
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+ printf("Memory Data Path Error Injection Mask ECC:\n");
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+ printf(" ECC Mirror Byte: %d\n",
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+ (ddr->ecc_err_inject & ECC_ERR_INJECT_EMB) ? 1 : 0);
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+ printf(" ECC Injection Enable: %d\n",
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+ (ddr->ecc_err_inject & ECC_ERR_INJECT_EIEN) ? 1 : 0);
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+ printf(" ECC Error Injection Mask: 0x%02x\n\n",
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+ ddr->ecc_err_inject & ECC_ERR_INJECT_EEIM);
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+
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+ /* SBE counter/threshold */
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+ printf("Memory Single-Bit Error Management (0..255):\n");
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+ printf(" Single-Bit Error Threshold: %d\n",
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+ (ddr->err_sbe & ECC_ERROR_MAN_SBET) >> ECC_ERROR_MAN_SBET_SHIFT);
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+ printf(" Single-Bit Error Counter: %d\n\n",
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+ (ddr->err_sbe & ECC_ERROR_MAN_SBEC) >> ECC_ERROR_MAN_SBEC_SHIFT);
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+
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+ /* Error detect */
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+ printf("Memory Error Detect:\n");
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+ printf(" Multiple Memory Errors: %d\n",
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+ (ddr->err_detect & ECC_ERROR_DETECT_MME) ? 1 : 0);
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+ printf(" Multiple-Bit Error: %d\n",
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+ (ddr->err_detect & ECC_ERROR_DETECT_MBE) ? 1 : 0);
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+ printf(" Single-Bit Error: %d\n",
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+ (ddr->err_detect & ECC_ERROR_DETECT_SBE) ? 1 : 0);
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+ printf(" Memory Select Error: %d\n\n",
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+ (ddr->err_detect & ECC_ERROR_DETECT_MSE) ? 1 : 0);
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+
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+ /* Capture data */
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|
+ printf("Memory Error Address Capture: 0x%08lx\n", ddr->capture_address);
|
|
|
|
+ printf("Memory Data Path Read Capture High/Low: %08lx %08lx\n",
|
|
|
|
+ ddr->capture_data_hi, ddr->capture_data_lo);
|
|
|
|
+ printf("Memory Data Path Read Capture ECC: 0x%02x\n\n",
|
|
|
|
+ ddr->capture_ecc & CAPTURE_ECC_ECE);
|
|
|
|
+
|
|
|
|
+ printf("Memory Error Attributes Capture:\n");
|
|
|
|
+ printf(" Data Beat Number: %d\n",
|
|
|
|
+ (ddr->capture_attributes & ECC_CAPT_ATTR_BNUM) >> ECC_CAPT_ATTR_BNUM_SHIFT);
|
|
|
|
+ printf(" Transaction Size: %d\n",
|
|
|
|
+ (ddr->capture_attributes & ECC_CAPT_ATTR_TSIZ) >> ECC_CAPT_ATTR_TSIZ_SHIFT);
|
|
|
|
+ printf(" Transaction Source: %d\n",
|
|
|
|
+ (ddr->capture_attributes & ECC_CAPT_ATTR_TSRC) >> ECC_CAPT_ATTR_TSRC_SHIFT);
|
|
|
|
+ printf(" Transaction Type: %d\n",
|
|
|
|
+ (ddr->capture_attributes & ECC_CAPT_ATTR_TTYP) >> ECC_CAPT_ATTR_TTYP_SHIFT);
|
|
|
|
+ printf(" Error Information Valid: %d\n\n",
|
|
|
|
+ ddr->capture_attributes & ECC_CAPT_ATTR_VLD);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+int do_ecc ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
|
|
+{
|
|
|
|
+ volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
|
|
|
|
+ volatile ddr8349_t *ddr = &immap->ddr;
|
|
|
|
+ volatile u32 val;
|
|
|
|
+ u64 *addr, count, val64;
|
|
|
|
+ register u64 *i;
|
|
|
|
+
|
|
|
|
+ if (argc > 4) {
|
|
|
|
+ printf ("Usage:\n%s\n", cmdtp->usage);
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (argc == 2) {
|
|
|
|
+ if (strcmp(argv[1], "status") == 0) {
|
|
|
|
+ ecc_print_status();
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "captureclear") == 0) {
|
|
|
|
+ ddr->capture_address = 0;
|
|
|
|
+ ddr->capture_data_hi = 0;
|
|
|
|
+ ddr->capture_data_lo = 0;
|
|
|
|
+ ddr->capture_ecc = 0;
|
|
|
|
+ ddr->capture_attributes = 0;
|
|
|
|
+ return 0;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (argc == 3) {
|
|
|
|
+ if (strcmp(argv[1], "sbecnt") == 0) {
|
|
|
|
+ val = simple_strtoul(argv[2], NULL, 10);
|
|
|
|
+ if (val > 255) {
|
|
|
|
+ printf("Incorrect Counter value, should be 0..255\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ val = (val << ECC_ERROR_MAN_SBEC_SHIFT);
|
|
|
|
+ val |= (ddr->err_sbe & ECC_ERROR_MAN_SBET);
|
|
|
|
+
|
|
|
|
+ ddr->err_sbe = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "sbethr") == 0) {
|
|
|
|
+ val = simple_strtoul(argv[2], NULL, 10);
|
|
|
|
+ if (val > 255) {
|
|
|
|
+ printf("Incorrect Counter value, should be 0..255\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ val = (val << ECC_ERROR_MAN_SBET_SHIFT);
|
|
|
|
+ val |= (ddr->err_sbe & ECC_ERROR_MAN_SBEC);
|
|
|
|
+
|
|
|
|
+ ddr->err_sbe = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "errdisable") == 0) {
|
|
|
|
+ val = ddr->err_disable;
|
|
|
|
+
|
|
|
|
+ if (strcmp(argv[2], "+sbe") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DISABLE_SBED;
|
|
|
|
+ } else if (strcmp(argv[2], "+mbe") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DISABLE_MBED;
|
|
|
|
+ } else if (strcmp(argv[2], "+mse") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DISABLE_MSED;
|
|
|
|
+ } else if (strcmp(argv[2], "+all") == 0) {
|
|
|
|
+ val |= (ECC_ERROR_DISABLE_SBED |
|
|
|
|
+ ECC_ERROR_DISABLE_MBED |
|
|
|
|
+ ECC_ERROR_DISABLE_MSED);
|
|
|
|
+ } else if (strcmp(argv[2], "-sbe") == 0) {
|
|
|
|
+ val &= ~ECC_ERROR_DISABLE_SBED;
|
|
|
|
+ } else if (strcmp(argv[2], "-mbe") == 0) {
|
|
|
|
+ val &= ~ECC_ERROR_DISABLE_MBED;
|
|
|
|
+ } else if (strcmp(argv[2], "-mse") == 0) {
|
|
|
|
+ val &= ~ECC_ERROR_DISABLE_MSED;
|
|
|
|
+ } else if (strcmp(argv[2], "-all") == 0) {
|
|
|
|
+ val &= ~(ECC_ERROR_DISABLE_SBED |
|
|
|
|
+ ECC_ERROR_DISABLE_MBED |
|
|
|
|
+ ECC_ERROR_DISABLE_MSED);
|
|
|
|
+ } else {
|
|
|
|
+ printf("Incorrect err_disable field\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ddr->err_disable = val;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "errdetectclr") == 0) {
|
|
|
|
+ val = ddr->err_detect;
|
|
|
|
+
|
|
|
|
+ if (strcmp(argv[2], "mme") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DETECT_MME;
|
|
|
|
+ } else if (strcmp(argv[2], "sbe") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DETECT_SBE;
|
|
|
|
+ } else if (strcmp(argv[2], "mbe") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DETECT_MBE;
|
|
|
|
+ } else if (strcmp(argv[2], "mse") == 0) {
|
|
|
|
+ val |= ECC_ERROR_DETECT_MSE;
|
|
|
|
+ } else if (strcmp(argv[2], "all") == 0) {
|
|
|
|
+ val |= (ECC_ERROR_DETECT_MME |
|
|
|
|
+ ECC_ERROR_DETECT_MBE |
|
|
|
|
+ ECC_ERROR_DETECT_SBE |
|
|
|
|
+ ECC_ERROR_DETECT_MSE);
|
|
|
|
+ } else {
|
|
|
|
+ printf("Incorrect err_detect field\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ddr->err_detect = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "injectdatahi") == 0) {
|
|
|
|
+ val = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
+
|
|
|
|
+ ddr->data_err_inject_hi = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "injectdatalo") == 0) {
|
|
|
|
+ val = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
+
|
|
|
|
+ ddr->data_err_inject_lo = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "injectecc") == 0) {
|
|
|
|
+ val = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
+ if (val > 0xff) {
|
|
|
|
+ printf("Incorrect ECC inject mask, should be 0x00..0xff\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+ val |= (ddr->ecc_err_inject & ~ECC_ERR_INJECT_EEIM);
|
|
|
|
+
|
|
|
|
+ ddr->ecc_err_inject = val;
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "inject") == 0) {
|
|
|
|
+ val = ddr->ecc_err_inject;
|
|
|
|
+
|
|
|
|
+ if (strcmp(argv[2], "en") == 0)
|
|
|
|
+ val |= ECC_ERR_INJECT_EIEN;
|
|
|
|
+ else if (strcmp(argv[2], "dis") == 0)
|
|
|
|
+ val &= ~ECC_ERR_INJECT_EIEN;
|
|
|
|
+ else
|
|
|
|
+ printf("Incorrect command\n");
|
|
|
|
+
|
|
|
|
+ ddr->ecc_err_inject = val;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+ return 0;
|
|
|
|
+ } else if (strcmp(argv[1], "mirror") == 0) {
|
|
|
|
+ val = ddr->ecc_err_inject;
|
|
|
|
+
|
|
|
|
+ if (strcmp(argv[2], "en") == 0)
|
|
|
|
+ val |= ECC_ERR_INJECT_EMB;
|
|
|
|
+ else if (strcmp(argv[2], "dis") == 0)
|
|
|
|
+ val &= ~ECC_ERR_INJECT_EMB;
|
|
|
|
+ else
|
|
|
|
+ printf("Incorrect command\n");
|
|
|
|
+
|
|
|
|
+ ddr->ecc_err_inject = val;
|
|
|
|
+ return 0;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (argc == 4) {
|
|
|
|
+ if (strcmp(argv[1], "test") == 0) {
|
|
|
|
+ addr = (u64 *)simple_strtoul(argv[2], NULL, 16);
|
|
|
|
+ count = simple_strtoul(argv[3], NULL, 16);
|
|
|
|
+
|
|
|
|
+ if ((u32)addr % 8) {
|
|
|
|
+ printf("Address not alligned on double word boundary\n");
|
|
|
|
+ return 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ disable_interrupts();
|
|
|
|
+ icache_disable();
|
|
|
|
+
|
|
|
|
+ for (i = addr; i < addr + count; i++) {
|
|
|
|
+ /* enable injects */
|
|
|
|
+ ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+
|
|
|
|
+ /* write memory location injecting errors */
|
|
|
|
+ *i = 0x1122334455667788ULL;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+
|
|
|
|
+ /* disable injects */
|
|
|
|
+ ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+
|
|
|
|
+ /* read data, this generates ECC error */
|
|
|
|
+ val64 = *i;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+
|
|
|
|
+ /* disable errors for ECC */
|
|
|
|
+ ddr->err_disable |= ~ECC_ERROR_ENABLE;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+
|
|
|
|
+ /* re-initialize memory, write the location again
|
|
|
|
+ * NOT injecting errors this time */
|
|
|
|
+ *i = 0xcafecafecafecafeULL;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+
|
|
|
|
+ /* enable errors for ECC */
|
|
|
|
+ ddr->err_disable &= ECC_ERROR_ENABLE;
|
|
|
|
+ __asm__ __volatile__ ("sync");
|
|
|
|
+ __asm__ __volatile__ ("isync");
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ icache_enable();
|
|
|
|
+ enable_interrupts();
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ printf ("Usage:\n%s\n", cmdtp->usage);
|
|
|
|
+ return 1;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+U_BOOT_CMD(
|
|
|
|
+ ecc, 4, 0, do_ecc,
|
|
|
|
+ "ecc - support for DDR ECC features\n",
|
|
|
|
+ "status - print out status info\n"
|
|
|
|
+ "ecc captureclear - clear capture regs data\n"
|
|
|
|
+ "ecc sbecnt <val> - set Single-Bit Error counter\n"
|
|
|
|
+ "ecc sbethr <val> - set Single-Bit Threshold\n"
|
|
|
|
+ "ecc errdisable <flag> - clear/set disable Memory Error Disable, flag:\n"
|
|
|
|
+ " [-|+]sbe - Single-Bit Error\n"
|
|
|
|
+ " [-|+]mbe - Multiple-Bit Error\n"
|
|
|
|
+ " [-|+]mse - Memory Select Error\n"
|
|
|
|
+ " [-|+]all - all errors\n"
|
|
|
|
+ "ecc errdetectclr <flag> - clear Memory Error Detect, flag:\n"
|
|
|
|
+ " mme - Multiple Memory Errors\n"
|
|
|
|
+ " sbe - Single-Bit Error\n"
|
|
|
|
+ " mbe - Multiple-Bit Error\n"
|
|
|
|
+ " mse - Memory Select Error\n"
|
|
|
|
+ " all - all errors\n"
|
|
|
|
+ "ecc injectdatahi <hi> - set Memory Data Path Error Injection Mask High\n"
|
|
|
|
+ "ecc injectdatalo <lo> - set Memory Data Path Error Injection Mask Low\n"
|
|
|
|
+ "ecc injectecc <ecc> - set ECC Error Injection Mask\n"
|
|
|
|
+ "ecc inject <en|dis> - enable/disable error injection\n"
|
|
|
|
+ "ecc mirror <en|dis> - enable/disable mirror byte\n"
|
|
|
|
+ "ecc test <addr> <cnt> - test mem region:\n"
|
|
|
|
+ " - enables injects\n"
|
|
|
|
+ " - writes pattern injecting errors\n"
|
|
|
|
+ " - disables injects\n"
|
|
|
|
+ " - reads pattern back, generates error\n"
|
|
|
|
+ " - re-inits memory"
|
|
|
|
+);
|
|
|
|
+#endif /* if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) */
|