/* * (C) Copyright 2005 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * Copyright 2004 Freescale Semiconductor. * (C) Copyright 2002,2003, Motorola Inc. * Xianghua Xiao, (X.Xiao@motorola.com) * * (C) Copyright 2002 Scott McNutt * * 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 #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; extern flash_info_t flash_info[]; /* FLASH chips info */ void local_bus_init (void); ulong flash_get_size (ulong base, int banknum); #ifdef CONFIG_PS2MULT void ps2mult_early_init (void); #endif #ifdef CONFIG_CPM2 /* * 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: conf, ppar, psor, pdir, podr, pdat */ { {1, 1, 1, 0, 0, 0}, /* PA31: FCC1 MII COL */ {1, 1, 1, 0, 0, 0}, /* PA30: FCC1 MII CRS */ {1, 1, 1, 1, 0, 0}, /* PA29: FCC1 MII TX_ER */ {1, 1, 1, 1, 0, 0}, /* PA28: FCC1 MII TX_EN */ {1, 1, 1, 0, 0, 0}, /* PA27: FCC1 MII RX_DV */ {1, 1, 1, 0, 0, 0}, /* PA26: FCC1 MII RX_ER */ {0, 1, 0, 1, 0, 0}, /* PA25: FCC1 ATMTXD[0] */ {0, 1, 0, 1, 0, 0}, /* PA24: FCC1 ATMTXD[1] */ {0, 1, 0, 1, 0, 0}, /* PA23: FCC1 ATMTXD[2] */ {0, 1, 0, 1, 0, 0}, /* PA22: FCC1 ATMTXD[3] */ {1, 1, 0, 1, 0, 0}, /* PA21: FCC1 MII TxD[3] */ {1, 1, 0, 1, 0, 0}, /* PA20: FCC1 MII TxD[2] */ {1, 1, 0, 1, 0, 0}, /* PA19: FCC1 MII TxD[1] */ {1, 1, 0, 1, 0, 0}, /* PA18: FCC1 MII TxD[0] */ {1, 1, 0, 0, 0, 0}, /* PA17: FCC1 MII RxD[0] */ {1, 1, 0, 0, 0, 0}, /* PA16: FCC1 MII RxD[1] */ {1, 1, 0, 0, 0, 0}, /* PA15: FCC1 MII RxD[2] */ {1, 1, 0, 0, 0, 0}, /* PA14: FCC1 MII RxD[3] */ {0, 1, 0, 0, 0, 0}, /* PA13: FCC1 ATMRXD[3] */ {0, 1, 0, 0, 0, 0}, /* PA12: FCC1 ATMRXD[2] */ {0, 1, 0, 0, 0, 0}, /* PA11: FCC1 ATMRXD[1] */ {0, 1, 0, 0, 0, 0}, /* PA10: FCC1 ATMRXD[0] */ {0, 1, 1, 1, 0, 0}, /* PA9 : FCC1 L1TXD */ {0, 1, 1, 0, 0, 0}, /* PA8 : FCC1 L1RXD */ {0, 0, 0, 1, 0, 0}, /* PA7 : PA7 */ {0, 1, 1, 1, 0, 0}, /* PA6 : TDM A1 L1RSYNC */ {0, 0, 0, 1, 0, 0}, /* PA5 : PA5 */ {0, 0, 0, 1, 0, 0}, /* PA4 : PA4 */ {0, 0, 0, 1, 0, 0}, /* PA3 : PA3 */ {0, 0, 0, 1, 0, 0}, /* PA2 : PA2 */ {0, 0, 0, 0, 0, 0}, /* PA1 : FREERUN */ {0, 0, 0, 1, 0, 0} /* PA0 : PA0 */ }, /* Port B: conf, ppar, psor, pdir, podr, pdat */ { {1, 1, 0, 1, 0, 0}, /* PB31: FCC2 MII TX_ER */ {1, 1, 0, 0, 0, 0}, /* PB30: FCC2 MII RX_DV */ {1, 1, 1, 1, 0, 0}, /* PB29: FCC2 MII TX_EN */ {1, 1, 0, 0, 0, 0}, /* PB28: FCC2 MII RX_ER */ {1, 1, 0, 0, 0, 0}, /* PB27: FCC2 MII COL */ {1, 1, 0, 0, 0, 0}, /* PB26: FCC2 MII CRS */ {1, 1, 0, 1, 0, 0}, /* PB25: FCC2 MII TxD[3] */ {1, 1, 0, 1, 0, 0}, /* PB24: FCC2 MII TxD[2] */ {1, 1, 0, 1, 0, 0}, /* PB23: FCC2 MII TxD[1] */ {1, 1, 0, 1, 0, 0}, /* PB22: FCC2 MII TxD[0] */ {1, 1, 0, 0, 0, 0}, /* PB21: FCC2 MII RxD[0] */ {1, 1, 0, 0, 0, 0}, /* PB20: FCC2 MII RxD[1] */ {1, 1, 0, 0, 0, 0}, /* PB19: FCC2 MII RxD[2] */ {1, 1, 0, 0, 0, 0}, /* PB18: FCC2 MII RxD[3] */ {1, 1, 0, 0, 0, 0}, /* PB17: FCC3:RX_DIV */ {1, 1, 0, 0, 0, 0}, /* PB16: FCC3:RX_ERR */ {1, 1, 0, 1, 0, 0}, /* PB15: FCC3:TX_ERR */ {1, 1, 0, 1, 0, 0}, /* PB14: FCC3:TX_EN */ {1, 1, 0, 0, 0, 0}, /* PB13: FCC3:COL */ {1, 1, 0, 0, 0, 0}, /* PB12: FCC3:CRS */ {1, 1, 0, 0, 0, 0}, /* PB11: FCC3:RXD */ {1, 1, 0, 0, 0, 0}, /* PB10: FCC3:RXD */ {1, 1, 0, 0, 0, 0}, /* PB9 : FCC3:RXD */ {1, 1, 0, 0, 0, 0}, /* PB8 : FCC3:RXD */ {1, 1, 0, 1, 0, 0}, /* PB7 : FCC3:TXD */ {1, 1, 0, 1, 0, 0}, /* PB6 : FCC3:TXD */ {1, 1, 0, 1, 0, 0}, /* PB5 : FCC3:TXD */ {1, 1, 0, 1, 0, 0}, /* PB4 : FCC3:TXD */ {0, 0, 0, 0, 0, 0}, /* PB3 : pin doesn't exist */ {0, 0, 0, 0, 0, 0}, /* PB2 : pin doesn't exist */ {0, 0, 0, 0, 0, 0}, /* PB1 : pin doesn't exist */ {0, 0, 0, 0, 0, 0} /* PB0 : pin doesn't exist */ }, /* Port C: conf, ppar, psor, pdir, podr, pdat */ { {0, 0, 0, 1, 0, 0}, /* PC31: PC31 */ {0, 0, 0, 1, 0, 0}, /* PC30: PC30 */ {0, 1, 1, 0, 0, 0}, /* PC29: SCC1 EN *CLSN */ {0, 0, 0, 1, 0, 0}, /* PC28: PC28 */ {0, 0, 0, 1, 0, 0}, /* PC27: UART Clock in */ {0, 0, 0, 1, 0, 0}, /* PC26: PC26 */ {0, 0, 0, 1, 0, 0}, /* PC25: PC25 */ {0, 0, 0, 1, 0, 0}, /* PC24: PC24 */ {0, 1, 0, 1, 0, 0}, /* PC23: ATMTFCLK */ {0, 1, 0, 0, 0, 0}, /* PC22: ATMRFCLK */ {1, 1, 0, 0, 0, 0}, /* PC21: SCC1 EN RXCLK */ {1, 1, 0, 0, 0, 0}, /* PC20: SCC1 EN TXCLK */ {1, 1, 0, 0, 0, 0}, /* PC19: FCC2 MII RX_CLK CLK13 */ {1, 1, 0, 0, 0, 0}, /* PC18: FCC Tx Clock (CLK14) */ {1, 1, 0, 0, 0, 0}, /* PC17: PC17 */ {1, 1, 0, 0, 0, 0}, /* PC16: FCC Tx Clock (CLK16) */ {0, 1, 0, 0, 0, 0}, /* PC15: PC15 */ {0, 1, 0, 0, 0, 0}, /* PC14: SCC1 EN *CD */ {0, 1, 0, 0, 0, 0}, /* PC13: PC13 */ {0, 1, 0, 1, 0, 0}, /* PC12: PC12 */ {0, 0, 0, 1, 0, 0}, /* PC11: LXT971 transmit control */ {0, 0, 0, 1, 0, 0}, /* PC10: FETHMDC */ {0, 0, 0, 0, 0, 0}, /* PC9 : FETHMDIO */ {0, 0, 0, 1, 0, 0}, /* PC8 : PC8 */ {0, 0, 0, 1, 0, 0}, /* PC7 : PC7 */ {0, 0, 0, 1, 0, 0}, /* PC6 : PC6 */ {0, 0, 0, 1, 0, 0}, /* PC5 : PC5 */ {0, 0, 0, 1, 0, 0}, /* PC4 : PC4 */ {0, 0, 0, 1, 0, 0}, /* PC3 : PC3 */ {0, 0, 0, 1, 0, 1}, /* PC2 : ENET FDE */ {0, 0, 0, 1, 0, 0}, /* PC1 : ENET DSQE */ {0, 0, 0, 1, 0, 0}, /* PC0 : ENET LBK */ }, /* Port D: conf, ppar, psor, pdir, podr, pdat */ { #ifdef CONFIG_TQM8560 {1, 1, 0, 0, 0, 0}, /* PD31: SCC1 EN RxD */ {1, 1, 1, 1, 0, 0}, /* PD30: SCC1 EN TxD */ {1, 1, 0, 1, 0, 0}, /* PD29: SCC1 EN TENA */ #else /* !CONFIG_TQM8560 */ {0, 0, 0, 0, 0, 0}, /* PD31: PD31 */ {0, 0, 0, 0, 0, 0}, /* PD30: PD30 */ {0, 0, 0, 0, 0, 0}, /* PD29: PD29 */ #endif /* CONFIG_TQM8560 */ {1, 1, 0, 0, 0, 0}, /* PD28: PD28 */ {1, 1, 0, 1, 0, 0}, /* PD27: PD27 */ {1, 1, 0, 1, 0, 0}, /* PD26: PD26 */ {0, 0, 0, 1, 0, 0}, /* PD25: PD25 */ {0, 0, 0, 1, 0, 0}, /* PD24: PD24 */ {0, 0, 0, 1, 0, 0}, /* PD23: PD23 */ {0, 0, 0, 1, 0, 0}, /* PD22: PD22 */ {0, 0, 0, 1, 0, 0}, /* PD21: PD21 */ {0, 0, 0, 1, 0, 0}, /* PD20: PD20 */ {0, 0, 0, 1, 0, 0}, /* PD19: PD19 */ {0, 0, 0, 1, 0, 0}, /* PD18: PD18 */ {0, 1, 0, 0, 0, 0}, /* PD17: FCC1 ATMRXPRTY */ {0, 1, 0, 1, 0, 0}, /* PD16: FCC1 ATMTXPRTY */ {0, 1, 1, 0, 1, 0}, /* PD15: I2C SDA */ {0, 0, 0, 1, 0, 0}, /* PD14: LED */ {0, 0, 0, 0, 0, 0}, /* PD13: PD13 */ {0, 0, 0, 0, 0, 0}, /* PD12: PD12 */ {0, 0, 0, 0, 0, 0}, /* PD11: PD11 */ {0, 0, 0, 0, 0, 0}, /* PD10: PD10 */ {0, 1, 0, 1, 0, 0}, /* PD9 : SMC1 TXD */ {0, 1, 0, 0, 0, 0}, /* PD8 : SMC1 RXD */ {0, 0, 0, 1, 0, 1}, /* PD7 : PD7 */ {0, 0, 0, 1, 0, 1}, /* PD6 : PD6 */ {0, 0, 0, 1, 0, 1}, /* PD5 : PD5 */ {0, 0, 0, 1, 0, 1}, /* PD4 : PD4 */ {0, 0, 0, 0, 0, 0}, /* PD3 : pin doesn't exist */ {0, 0, 0, 0, 0, 0}, /* PD2 : pin doesn't exist */ {0, 0, 0, 0, 0, 0}, /* PD1 : pin doesn't exist */ {0, 0, 0, 0, 0, 0} /* PD0 : pin doesn't exist */ } }; #endif /* CONFIG_CPM2 */ #define CASL_STRING1 "casl=xx" #define CASL_STRING2 "casl=" static const int casl_table[] = { 20, 25, 30 }; #define N_CASL (sizeof(casl_table) / sizeof(casl_table[0])) int cas_latency (void) { char *s = getenv ("serial#"); int casl; int val; int i; casl = CONFIG_DDR_DEFAULT_CL; if (s != NULL) { if (strncmp(s + strlen (s) - strlen (CASL_STRING1), CASL_STRING2, strlen (CASL_STRING2)) == 0) { val = simple_strtoul (s + strlen (s) - 2, NULL, 10); for (i = 0; i < N_CASL; ++i) { if (val == casl_table[i]) { return val; } } } } return casl; } int checkboard (void) { char *s = getenv ("serial#"); printf ("Board: %s", CONFIG_BOARDNAME); if (s != NULL) { puts (", serial# "); puts (s); } putc ('\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; } int misc_init_r (void) { volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR); /* * Adjust flash start and offset to detected values */ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; gd->bd->bi_flashoffset = 0; /* * Recalculate CS configuration if second FLASH bank is available */ if (flash_info[0].size > 0) { memctl->or1 = ((-flash_info[0].size) & 0xffff8000) | (CFG_OR1_PRELIM & 0x00007fff); memctl->br1 = gd->bd->bi_flashstart | (CFG_BR1_PRELIM & 0x00007fff); /* * Re-check to get correct base address for bank 1 */ flash_get_size (gd->bd->bi_flashstart, 0); } else { memctl->or1 = 0; memctl->br1 = 0; } /* * If bank 1 is equipped, bank 0 is mapped after bank 1 */ memctl->or0 = ((-flash_info[1].size) & 0xffff8000) | (CFG_OR0_PRELIM & 0x00007fff); memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) | (CFG_BR0_PRELIM & 0x00007fff); /* * Re-check to get correct base address for bank 0 */ flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 1); /* * Re-do flash protection upon new addresses */ flash_protect (FLAG_PROTECT_CLEAR, gd->bd->bi_flashstart, 0xffffffff, &flash_info[CFG_MAX_FLASH_BANKS - 1]); /* Monitor protection ON by default */ flash_protect (FLAG_PROTECT_SET, CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[CFG_MAX_FLASH_BANKS - 1]); /* Environment protection ON by default */ flash_protect (FLAG_PROTECT_SET, CFG_ENV_ADDR, CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, &flash_info[CFG_MAX_FLASH_BANKS - 1]); #ifdef CFG_ENV_ADDR_REDUND /* Redundant environment protection ON by default */ flash_protect (FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, &flash_info[CFG_MAX_FLASH_BANKS - 1]); #endif return 0; } #ifdef CONFIG_CAN_DRIVER /* * Initialize UPMC RAM */ static void upmc_write (u_char addr, uint val) { volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); out_be32 (&lbc->mdr, val); clrsetbits_be32(&lbc->mcmr, MxMR_MAD_MSK, MxMR_OP_WARR | (addr & MxMR_MAD_MSK)); /* dummy access to perform write */ out_8 ((void __iomem *)CFG_CAN_BASE, 0); /* normal operation */ clrbits_be32(&lbc->mcmr, MxMR_OP_WARR); } #endif /* CONFIG_CAN_DRIVER */ /* * Initialize Local Bus */ void local_bus_init (void) { volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); 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 */ lbc->ltedr = 0xa4c80000; /* DK: !!! */ } 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"); } #ifdef CONFIG_CAN_DRIVER /* * According to timing specifications EAD must be * set if Local Bus Clock is > 83 MHz. */ if (lbc_hz > 83) out_be32 (&lbc->or2, CFG_OR2_CAN | OR_UPM_EAD); else out_be32 (&lbc->or2, CFG_OR2_CAN); out_be32 (&lbc->br2, CFG_BR2_CAN); /* LGPL4 is UPWAIT */ out_be32(&lbc->mcmr, MxMR_DSx_3_CYCL | MxMR_GPL_x4DIS | MxMR_WLFx_3X); /* Initialize UPMC for CAN: single read */ upmc_write (0x00, 0xFFFFED00); upmc_write (0x01, 0xCCFFCC00); upmc_write (0x02, 0x00FFCF00); upmc_write (0x03, 0x00FFCF00); upmc_write (0x04, 0x00FFDC00); upmc_write (0x05, 0x00FFCF00); upmc_write (0x06, 0x00FFED00); upmc_write (0x07, 0x3FFFCC07); /* Initialize UPMC for CAN: single write */ upmc_write (0x18, 0xFFFFED00); upmc_write (0x19, 0xCCFFEC00); upmc_write (0x1A, 0x00FFED80); upmc_write (0x1B, 0x00FFED80); upmc_write (0x1C, 0x00FFFC00); upmc_write (0x1D, 0x0FFFEC00); upmc_write (0x1E, 0x0FFFEF00); upmc_write (0x1F, 0x3FFFEC05); #endif /* CONFIG_CAN_DRIVER */ } #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 */ } #ifdef CONFIG_BOARD_EARLY_INIT_R int board_early_init_r (void) { #ifdef CONFIG_PS2MULT ps2mult_early_init (); #endif /* CONFIG_PS2MULT */ return (0); } #endif /* CONFIG_BOARD_EARLY_INIT_R */