diff options
Diffstat (limited to 'u-boot/board/tqc/tqm85xx/tqm85xx.c')
| -rw-r--r-- | u-boot/board/tqc/tqm85xx/tqm85xx.c | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/u-boot/board/tqc/tqm85xx/tqm85xx.c b/u-boot/board/tqc/tqm85xx/tqm85xx.c new file mode 100644 index 0000000..99b1331 --- /dev/null +++ b/u-boot/board/tqc/tqm85xx/tqm85xx.c @@ -0,0 +1,623 @@ +/* + * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de> + * + * (C) Copyright 2006 + * Thomas Waehner, TQ-Systems GmbH, thomas.waehner@tqs.de. + * + * (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 <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 <asm/fsl_pci.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> +#include <linux/compiler.h> +#include <ioports.h> +#include <flash.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <netdev.h> + +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'); + + /* + * Initialize local bus. + */ + local_bus_init (); + + return 0; +} + +int misc_init_r (void) +{ + /* + * 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) { + set_lbc_or(1, ((-flash_info[0].size) & 0xffff8000) | + (CONFIG_SYS_OR1_PRELIM & 0x00007fff)); + set_lbc_br(1, gd->bd->bi_flashstart | + (CONFIG_SYS_BR1_PRELIM & 0x00007fff)); + /* + * Re-check to get correct base address for bank 1 + */ + flash_get_size (gd->bd->bi_flashstart, 0); + } else { + set_lbc_or(1, 0); + set_lbc_br(1, 0); + } + + /* + * If bank 1 is equipped, bank 0 is mapped after bank 1 + */ + set_lbc_or(0, ((-flash_info[1].size) & 0xffff8000) | + (CONFIG_SYS_OR0_PRELIM & 0x00007fff)); + set_lbc_br(0, (gd->bd->bi_flashstart + flash_info[0].size) | + (CONFIG_SYS_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[CONFIG_SYS_MAX_FLASH_BANKS - 1]); + + /* Monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CONFIG_SYS_MONITOR_BASE, 0xffffffff, + &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); + + /* Environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); + +#ifdef CONFIG_ENV_ADDR_REDUND + /* Redundant environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); +#endif + + return 0; +} + +#ifdef CONFIG_CAN_DRIVER +/* + * Initialize UPMC RAM + */ +static void upmc_write (u_char addr, uint val) +{ + volatile fsl_lbc_t *lbc = LBC_BASE_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 *)CONFIG_SYS_CAN_BASE, 0); + + /* normal operation */ + clrbits_be32(&lbc->mcmr, MxMR_OP_WARR); +} +#endif /* CONFIG_CAN_DRIVER */ + +uint get_lbc_clock (void) +{ + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; + sys_info_t sys_info; + ulong clkdiv = lbc->lcrr & LCRR_CLKDIV; + + get_sys_info (&sys_info); + + if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) { +#ifdef CONFIG_MPC8548 + /* + * Yes, the entire PQ38 family use the same + * bit-representation for twice the clock divider value. + */ + clkdiv *= 2; +#endif + return sys_info.freqSystemBus / clkdiv; + } + + puts("Invalid clock divider value in CONFIG_SYS_LBC_LCRR\n"); + + return 0; +} + +/* + * Initialize Local Bus + */ +void local_bus_init (void) +{ + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; + uint lbc_mhz = get_lbc_clock () / 1000000; + +#ifdef CONFIG_MPC8548 + uint svr = get_svr (); + uint lcrr; + + /* + * MPC revision < 2.0 + * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU1: + * Modify engineering use only register at address 0xE_0F20. + * "1. Read register at offset 0xE_0F20 + * 2. And value with 0x0000_FFFF + * 3. OR result with 0x0000_0004 + * 4. Write result back to offset 0xE_0F20." + * + * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU2: + * Modify engineering use only register at address 0xE_0F20. + * "1. Read register at offset 0xE_0F20 + * 2. And value with 0xFFFF_FFDF + * 3. Write result back to offset 0xE_0F20." + * + * Since it is the same register, we do the modification in one step. + */ + if (SVR_MAJ (svr) < 2) { + uint dummy = gur->lbiuiplldcr1; + dummy &= 0x0000FFDF; + dummy |= 0x00000004; + gur->lbiuiplldcr1 = dummy; + } + + lcrr = CONFIG_SYS_LBC_LCRR; + + /* + * Local Bus Clock > 83.3 MHz. According to timing + * specifications set LCRR[EADC] to 2 delay cycles. + */ + if (lbc_mhz > 83) { + lcrr &= ~LCRR_EADC; + lcrr |= LCRR_EADC_2; + } + + /* + * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30 + * disable PLL bypass for Local Bus Clock > 83 MHz. + */ + if (lbc_mhz >= 66) + lcrr &= (~LCRR_DBYP); /* DLL Enabled */ + + else + lcrr |= LCRR_DBYP; /* DLL Bypass */ + + lbc->lcrr = lcrr; + asm ("sync;isync;msync"); + + /* + * According to MPC8548ERMAD Rev.1.3 read back LCRR + * and terminate with isync + */ + lcrr = lbc->lcrr; + asm ("isync;"); + + /* let DLL stabilize */ + udelay (500); + +#else /* !CONFIG_MPC8548 */ + + /* + * 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. + */ + + if (lbc_mhz < 66) { + lbc->lcrr = CONFIG_SYS_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */ + lbc->ltedr = LTEDR_BMD | LTEDR_PARD | LTEDR_WPD | LTEDR_WARA | + LTEDR_RAWA | LTEDR_CSD; /* Disable all error checking */ + + } else if (lbc_mhz >= 133) { + lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* 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 = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* 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"); + } +#endif /* !CONFIG_MPC8548 */ + +#ifdef CONFIG_CAN_DRIVER + /* + * According to timing specifications EAD must be + * set if Local Bus Clock is > 83 MHz. + */ + if (lbc_mhz > 83) + set_lbc_or(2, CONFIG_SYS_OR2_CAN | OR_UPM_EAD); + else + set_lbc_or(2, CONFIG_SYS_OR2_CAN); + set_lbc_br(2, CONFIG_SYS_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 */ +} + +/* + * Initialize PCI Devices, report devices found. + */ + +#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif /* CONFIG_PCI1 */ + +void pci_init_board (void) +{ + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + int first_free_busno = 0; +#ifdef CONFIG_PCI1 + struct fsl_pci_info pci_info; + int pcie_ep; + + u32 devdisr = in_be32(&gur->devdisr); + + uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32; + uint pci_arb = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_ARB; + uint pci_speed = CONFIG_SYS_CLK_FREQ; /* PCI PSPEED in [4:5] */ + uint pci_clk_sel = in_be32(&gur->porpllsr) & MPC85xx_PORDEVSR_PCI1_SPD; + + if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { + SET_STD_PCI_INFO(pci_info, 1); + set_next_law(pci_info.mem_phys, + law_size_bits(pci_info.mem_size), pci_info.law); + set_next_law(pci_info.io_phys, + law_size_bits(pci_info.io_size), pci_info.law); + + pcie_ep = fsl_setup_hose(&pci1_hose, pci_info.regs); + printf("PCI1: %d bit, %s MHz, %s, %s, %s\n", + (pci_32) ? 32 : 64, + (pci_speed == 33333333) ? "33" : + (pci_speed == 66666666) ? "66" : "unknown", + pci_clk_sel ? "sync" : "async", + pcie_ep ? "agent" : "host", + pci_arb ? "arbiter" : "external-arbiter"); + first_free_busno = fsl_pci_init_port(&pci_info, + &pci1_hose, first_free_busno); +#ifdef CONFIG_PCIX_CHECK + if (!(in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1)) { + ushort reg16 = + PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ | + PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; + uint dev = PCI_BDF(0, 0, 0); + + /* PCI-X init */ + if (CONFIG_SYS_CLK_FREQ < 66000000) + puts ("PCI-X will only work at 66 MHz\n"); + + pci_write_config_word(dev, PCIX_COMMAND, reg16); + } +#endif + } else { + printf("PCI1: disabled\n"); + } +#else + setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); +#endif + + fsl_pcie_init_board(first_free_busno); +} + +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup (void *blob, bd_t *bd) +{ + ft_cpu_setup (blob, bd); + + FT_FSL_PCI_SETUP; +} +#endif /* CONFIG_OF_BOARD_SETUP */ + +#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 */ + +int board_eth_init(bd_t *bis) +{ + cpu_eth_init(bis); /* Intialize TSECs first */ + return pci_eth_init(bis); +} |