/* * Copyright 2004 Freescale Semiconductor. * (C) Copyright 2003,Motorola Inc. * Xianghua Xiao, (X.Xiao@motorola.com) * * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <pci.h> #include <asm/processor.h> #include <asm/immap_85xx.h> #include <ioports.h> #include <spd.h> #include <miiphy.h> #if defined(CONFIG_DDR_ECC) extern void ddr_enable_ecc(unsigned int dram_size); #endif extern long int spd_sdram(void); void local_bus_init(void); long int fixed_sdram(void); /* * I/O Port configuration table * * if conf is 1, then that port pin will be configured at boot time * according to the five values podr/pdir/ppar/psor/pdat for that entry */ const iop_conf_t iop_conf_tab[4][32] = { /* Port A configuration */ { /* conf ppar psor pdir podr pdat */ /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* FREERUN */ /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ }, /* Port B configuration */ { /* conf ppar psor pdir podr pdat */ /* PB31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ /* PB30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ /* PB29 */ { 0, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ /* PB28 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ /* PB27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ /* PB26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ /* PB25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ /* PB24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ /* PB23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ /* PB22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ /* PB21 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ /* PB20 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ /* PB19 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ /* PB18 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ /* PB17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ /* PB16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ /* PB15 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ /* PB14 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ /* PB13 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:COL */ /* PB12 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ /* PB11 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB10 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB9 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB8 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB7 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB6 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB5 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB4 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ }, /* Port C */ { /* conf ppar psor pdir podr pdat */ /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ /* PC19 */ { 0, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ /* PC17 */ { 1, 1, 0, 0, 0, 0 }, /* PC17 */ /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ /* PC15 */ { 0, 1, 0, 0, 0, 0 }, /* PC15 */ /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ /* PC13 */ { 0, 1, 0, 0, 0, 0 }, /* PC13 */ /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* FETHMDC */ /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* FETHMDIO */ /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ }, /* Port D */ { /* conf ppar psor pdir podr pdat */ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* PD28 */ /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* PD27 */ /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* PD26 */ /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ } }; int board_early_init_f (void) { return 0; } void reset_phy (void) { } int checkboard (void) { puts("Board: MicroSys PM856\n"); #ifdef CONFIG_PCI printf(" PCI1: 32 bit, %d MHz (compiled)\n", CONFIG_SYS_CLK_FREQ / 1000000); #else printf(" PCI1: disabled\n"); #endif /* * Initialize local bus. */ local_bus_init(); return 0; } long int initdram(int board_type) { long dram_size = 0; extern long spd_sdram (void); volatile immap_t *immap = (immap_t *)CFG_IMMR; puts("Initializing\n"); #if defined(CONFIG_DDR_DLL) { volatile ccsr_gur_t *gur= &immap->im_gur; int i,x; x = 10; /* * Work around to stabilize DDR DLL */ gur->ddrdllcr = 0x81000000; asm("sync;isync;msync"); udelay (200); while (gur->ddrdllcr != 0x81000100) { gur->devdisr = gur->devdisr | 0x00010000; asm("sync;isync;msync"); for (i=0; i<x; i++) ; gur->devdisr = gur->devdisr & 0xfff7ffff; asm("sync;isync;msync"); x++; } } #endif #if defined(CONFIG_SPD_EEPROM) dram_size = spd_sdram (); #else dram_size = fixed_sdram (); #endif #if defined(CONFIG_DDR_ECC) /* * Initialize and enable DDR ECC. */ ddr_enable_ecc(dram_size); #endif puts(" DDR: "); return dram_size; } /* * Initialize Local Bus */ void local_bus_init(void) { volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile ccsr_gur_t *gur = &immap->im_gur; volatile ccsr_lbc_t *lbc = &immap->im_lbc; uint clkdiv; uint lbc_hz; sys_info_t sysinfo; /* * Errata LBC11. * Fix Local Bus clock glitch when DLL is enabled. * * If localbus freq is < 66Mhz, DLL bypass mode must be used. * If localbus freq is > 133Mhz, DLL can be safely enabled. * Between 66 and 133, the DLL is enabled with an override workaround. */ get_sys_info(&sysinfo); clkdiv = lbc->lcrr & 0x0f; lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; if (lbc_hz < 66) { lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */ } else if (lbc_hz >= 133) { lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */ } else { /* * On REV1 boards, need to change CLKDIV before enable DLL. * Default CLKDIV is 8, change it to 4 temporarily. */ uint pvr = get_pvr(); uint temp_lbcdll = 0; if (pvr == PVR_85xx_REV1) { /* FIXME: Justify the high bit here. */ lbc->lcrr = 0x10000004; } lbc->lcrr = CFG_LBC_LCRR & (~0x80000000);/* DLL Enabled */ udelay(200); /* * Sample LBC DLL ctrl reg, upshift it to set the * override bits. */ temp_lbcdll = gur->lbcdllcr; gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); asm("sync;isync;msync"); } } #if defined(CFG_DRAM_TEST) int testdram (void) { uint *pstart = (uint *) CFG_MEMTEST_START; uint *pend = (uint *) CFG_MEMTEST_END; uint *p; printf("SDRAM test phase 1:\n"); for (p = pstart; p < pend; p++) *p = 0xaaaaaaaa; for (p = pstart; p < pend; p++) { if (*p != 0xaaaaaaaa) { printf ("SDRAM test fails at: %08x\n", (uint) p); return 1; } } printf("SDRAM test phase 2:\n"); for (p = pstart; p < pend; p++) *p = 0x55555555; for (p = pstart; p < pend; p++) { if (*p != 0x55555555) { printf ("SDRAM test fails at: %08x\n", (uint) p); return 1; } } printf("SDRAM test passed.\n"); return 0; } #endif #if !defined(CONFIG_SPD_EEPROM) /************************************************************************* * fixed sdram init -- doesn't use serial presence detect. ************************************************************************/ long int fixed_sdram (void) { #ifndef CFG_RAMBOOT volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile ccsr_ddr_t *ddr= &immap->im_ddr; ddr->cs0_bnds = CFG_DDR_CS0_BNDS; ddr->cs0_config = CFG_DDR_CS0_CONFIG; ddr->timing_cfg_1 = CFG_DDR_TIMING_1; ddr->timing_cfg_2 = CFG_DDR_TIMING_2; ddr->sdram_mode = CFG_DDR_MODE; ddr->sdram_interval = CFG_DDR_INTERVAL; #if defined (CONFIG_DDR_ECC) ddr->err_disable = 0x0000000D; ddr->err_sbe = 0x00ff0000; #endif asm("sync;isync;msync"); udelay(500); #if defined (CONFIG_DDR_ECC) /* Enable ECC checking */ ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000); #else ddr->sdram_cfg = CFG_DDR_CONTROL; #endif asm("sync; isync; msync"); udelay(500); #endif return CFG_SDRAM_SIZE * 1024 * 1024; } #endif /* !defined(CONFIG_SPD_EEPROM) */ #if defined(CONFIG_PCI) /* * Initialize PCI Devices, report devices found. */ #ifndef CONFIG_PCI_PNP static struct pci_config_table pci_mpc85xxads_config_table[] = { { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_IDSEL_NUMBER, PCI_ANY_ID, pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, PCI_ENET0_MEMADDR, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } }, { } }; #endif static struct pci_controller hose = { #ifndef CONFIG_PCI_PNP config_table: pci_mpc85xxads_config_table, #endif }; #endif /* CONFIG_PCI */ void pci_init_board(void) { #ifdef CONFIG_PCI pci_mpc85xx_init(&hose); #endif /* CONFIG_PCI */ }