?? mpc8360emds.c
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/* * Copyright (C) 2006 Freescale Semiconductor, Inc. * * Dave Liu <daveliu@freescale.com> * based on board/mpc8349emds/mpc8349emds.c * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. */#include <common.h>#include <ioports.h>#include <mpc83xx.h>#include <i2c.h>#include <spd.h>#include <miiphy.h>#include <command.h>#if defined(CONFIG_PCI)#include <pci.h>#endif#if defined(CONFIG_SPD_EEPROM)#include <spd_sdram.h>#else#include <asm/mmu.h>#endif#if defined(CONFIG_OF_FLAT_TREE)#include <ft_build.h>#endifconst qe_iop_conf_t qe_iop_conf_tab[] = { /* GETH1 */ {0, 3, 1, 0, 1}, /* TxD0 */ {0, 4, 1, 0, 1}, /* TxD1 */ {0, 5, 1, 0, 1}, /* TxD2 */ {0, 6, 1, 0, 1}, /* TxD3 */ {1, 6, 1, 0, 3}, /* TxD4 */ {1, 7, 1, 0, 1}, /* TxD5 */ {1, 9, 1, 0, 2}, /* TxD6 */ {1, 10, 1, 0, 2}, /* TxD7 */ {0, 9, 2, 0, 1}, /* RxD0 */ {0, 10, 2, 0, 1}, /* RxD1 */ {0, 11, 2, 0, 1}, /* RxD2 */ {0, 12, 2, 0, 1}, /* RxD3 */ {0, 13, 2, 0, 1}, /* RxD4 */ {1, 1, 2, 0, 2}, /* RxD5 */ {1, 0, 2, 0, 2}, /* RxD6 */ {1, 4, 2, 0, 2}, /* RxD7 */ {0, 7, 1, 0, 1}, /* TX_EN */ {0, 8, 1, 0, 1}, /* TX_ER */ {0, 15, 2, 0, 1}, /* RX_DV */ {0, 16, 2, 0, 1}, /* RX_ER */ {0, 0, 2, 0, 1}, /* RX_CLK */ {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */ {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */ /* GETH2 */ {0, 17, 1, 0, 1}, /* TxD0 */ {0, 18, 1, 0, 1}, /* TxD1 */ {0, 19, 1, 0, 1}, /* TxD2 */ {0, 20, 1, 0, 1}, /* TxD3 */ {1, 2, 1, 0, 1}, /* TxD4 */ {1, 3, 1, 0, 2}, /* TxD5 */ {1, 5, 1, 0, 3}, /* TxD6 */ {1, 8, 1, 0, 3}, /* TxD7 */ {0, 23, 2, 0, 1}, /* RxD0 */ {0, 24, 2, 0, 1}, /* RxD1 */ {0, 25, 2, 0, 1}, /* RxD2 */ {0, 26, 2, 0, 1}, /* RxD3 */ {0, 27, 2, 0, 1}, /* RxD4 */ {1, 12, 2, 0, 2}, /* RxD5 */ {1, 13, 2, 0, 3}, /* RxD6 */ {1, 11, 2, 0, 2}, /* RxD7 */ {0, 21, 1, 0, 1}, /* TX_EN */ {0, 22, 1, 0, 1}, /* TX_ER */ {0, 29, 2, 0, 1}, /* RX_DV */ {0, 30, 2, 0, 1}, /* RX_ER */ {0, 31, 2, 0, 1}, /* RX_CLK */ {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */ {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */ {0, 1, 3, 0, 2}, /* MDIO */ {0, 2, 1, 0, 1}, /* MDC */ {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */};int board_early_init_f(void){ volatile u8 *bcsr = (volatile u8 *)CFG_BCSR; /* Enable flash write */ bcsr[0xa] &= ~0x04; return 0;}#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)extern void ddr_enable_ecc(unsigned int dram_size);#endifint fixed_sdram(void);void sdram_init(void);long int initdram(int board_type){ volatile immap_t *im = (immap_t *) CFG_IMMR; u32 msize = 0; if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) return -1; /* DDR SDRAM - Main SODIMM */ im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;#if defined(CONFIG_SPD_EEPROM) msize = spd_sdram();#else msize = fixed_sdram();#endif#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) /* * Initialize DDR ECC byte */ ddr_enable_ecc(msize * 1024 * 1024);#endif /* * Initialize SDRAM if it is on local bus. */ sdram_init(); puts(" DDR RAM: "); /* return total bus SDRAM size(bytes) -- DDR */ return (msize * 1024 * 1024);}#if !defined(CONFIG_SPD_EEPROM)/************************************************************************* * fixed sdram init -- doesn't use serial presence detect. ************************************************************************/int fixed_sdram(void){ volatile immap_t *im = (immap_t *) CFG_IMMR; u32 msize = 0; u32 ddr_size; u32 ddr_size_log2; msize = CFG_DDR_SIZE; for (ddr_size = msize << 20, ddr_size_log2 = 0; (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) { if (ddr_size & 1) { return -1; } } im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);#if (CFG_DDR_SIZE != 256)#warning Currenly any ddr size other than 256 is not supported#endif im->ddr.csbnds[0].csbnds = 0x00000007; im->ddr.csbnds[1].csbnds = 0x0008000f; im->ddr.cs_config[0] = CFG_DDR_CONFIG; im->ddr.cs_config[1] = CFG_DDR_CONFIG; im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1; im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2; im->ddr.sdram_cfg = CFG_DDR_CONTROL; im->ddr.sdram_mode = CFG_DDR_MODE; im->ddr.sdram_interval = CFG_DDR_INTERVAL; udelay(200); im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; return msize;}#endif /*!CFG_SPD_EEPROM */int checkboard(void){ puts("Board: Freescale MPC8360EMDS\n"); return 0;}/* * if MPC8360EMDS is soldered with SDRAM */#if defined(CFG_BR2_PRELIM) \ && defined(CFG_OR2_PRELIM) \ && defined(CFG_LBLAWBAR2_PRELIM) \ && defined(CFG_LBLAWAR2_PRELIM)/* * Initialize SDRAM memory on the Local Bus. */void sdram_init(void){ volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile lbus83xx_t *lbc = &immap->lbus; uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE; puts("\n SDRAM on Local Bus: "); print_size(CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); /* * Setup SDRAM Base and Option Registers, already done in cpu_init.c */ /*setup mtrpt, lsrt and lbcr for LB bus */ lbc->lbcr = CFG_LBC_LBCR; lbc->mrtpr = CFG_LBC_MRTPR; lbc->lsrt = CFG_LBC_LSRT; asm("sync"); /* * Configure the SDRAM controller Machine Mode Register. */ lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */ lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */ asm("sync"); *sdram_addr = 0xff; udelay(100); /* * We need do 8 times auto refresh operation. */ lbc->lsdmr = CFG_LBC_LSDMR_2; asm("sync"); *sdram_addr = 0xff; /* 1 times */ udelay(100); *sdram_addr = 0xff; /* 2 times */ udelay(100); *sdram_addr = 0xff; /* 3 times */ udelay(100); *sdram_addr = 0xff; /* 4 times */ udelay(100); *sdram_addr = 0xff; /* 5 times */ udelay(100); *sdram_addr = 0xff; /* 6 times */ udelay(100); *sdram_addr = 0xff; /* 7 times */ udelay(100); *sdram_addr = 0xff; /* 8 times */ udelay(100); /* Mode register write operation */ lbc->lsdmr = CFG_LBC_LSDMR_4; asm("sync"); *(sdram_addr + 0xcc) = 0xff; udelay(100); /* Normal operation */ lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000; asm("sync"); *sdram_addr = 0xff; udelay(100);}#elsevoid sdram_init(void){ puts("SDRAM on Local Bus is NOT available!\n");}#endif#if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD)/* * ECC user commands */void ecc_print_status(void){ volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile ddr83xx_t *ddr = &immap->ddr; printf("\nECC mode: %s\n\n", (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF"); /* Interrupts */ printf("Memory Error Interrupt Enable:\n"); printf(" Multiple-Bit Error Interrupt Enable: %d\n", (ddr->err_int_en & ECC_ERR_INT_EN_MBEE) ? 1 : 0); printf(" Single-Bit Error Interrupt Enable: %d\n", (ddr->err_int_en & ECC_ERR_INT_EN_SBEE) ? 1 : 0); printf(" Memory Select Error Interrupt Enable: %d\n\n", (ddr->err_int_en & ECC_ERR_INT_EN_MSEE) ? 1 : 0); /* Error disable */ printf("Memory Error Disable:\n"); printf(" Multiple-Bit Error Disable: %d\n", (ddr->err_disable & ECC_ERROR_DISABLE_MBED) ? 1 : 0); printf(" Sinle-Bit Error Disable: %d\n", (ddr->err_disable & ECC_ERROR_DISABLE_SBED) ? 1 : 0); printf(" Memory Select Error Disable: %d\n\n", (ddr->err_disable & ECC_ERROR_DISABLE_MSED) ? 1 : 0); /* Error injection */ printf("Memory Data Path Error Injection Mask High/Low: %08lx %08lx\n", ddr->data_err_inject_hi, ddr->data_err_inject_lo); printf("Memory Data Path Error Injection Mask ECC:\n"); printf(" ECC Mirror Byte: %d\n", (ddr->ecc_err_inject & ECC_ERR_INJECT_EMB) ? 1 : 0); printf(" ECC Injection Enable: %d\n", (ddr->ecc_err_inject & ECC_ERR_INJECT_EIEN) ? 1 : 0); printf(" ECC Error Injection Mask: 0x%02x\n\n", ddr->ecc_err_inject & ECC_ERR_INJECT_EEIM); /* SBE counter/threshold */ printf("Memory Single-Bit Error Management (0..255):\n"); printf(" Single-Bit Error Threshold: %d\n", (ddr->err_sbe & ECC_ERROR_MAN_SBET) >> ECC_ERROR_MAN_SBET_SHIFT); printf(" Single-Bit Error Counter: %d\n\n", (ddr->err_sbe & ECC_ERROR_MAN_SBEC) >> ECC_ERROR_MAN_SBEC_SHIFT); /* Error detect */ printf("Memory Error Detect:\n"); printf(" Multiple Memory Errors: %d\n", (ddr->err_detect & ECC_ERROR_DETECT_MME) ? 1 : 0); printf(" Multiple-Bit Error: %d\n", (ddr->err_detect & ECC_ERROR_DETECT_MBE) ? 1 : 0); printf(" Single-Bit Error: %d\n", (ddr->err_detect & ECC_ERROR_DETECT_SBE) ? 1 : 0); printf(" Memory Select Error: %d\n\n", (ddr->err_detect & ECC_ERROR_DETECT_MSE) ? 1 : 0); /* Capture data */ 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);
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