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Diffstat (limited to 'board/ep82xxm/ep82xxm.c')
| -rw-r--r-- | board/ep82xxm/ep82xxm.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/board/ep82xxm/ep82xxm.c b/board/ep82xxm/ep82xxm.c new file mode 100644 index 000000000..35e644df8 --- /dev/null +++ b/board/ep82xxm/ep82xxm.c @@ -0,0 +1,291 @@ +/* + * Copyright (C) 2006 Embedded Planet, LLC. + * + * Support for Embedded Planet EP82xxM boards. + * Tested on EP82xxM (MPC8270). + * + * 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 <mpc8260.h> +#include <ioports.h> +#include <asm/m8260_pci.h> +#ifdef CONFIG_PCI +#include <pci.h> +#endif +#include <miiphy.h> + +/* + * 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 + */ + +#define CFG_FCC2 1 +#define CFG_FCC3 1 + +const iop_conf_t iop_conf_tab[4][32] = { + + /* Port A */ + { /* conf ppar psor pdir podr pdat */ + /* PA31 */ { 0, 0, 0, 0, 0, 1 }, /* PA31 */ + /* PA30 */ { 0, 0, 0, 0, 0, 1 }, /* PA30 */ + /* PA29 */ { 0, 0, 0, 0, 0, 1 }, /* PA29 */ + /* PA28 */ { 0, 0, 0, 0, 0, 1 }, /* PA28 */ + /* PA27 */ { 0, 0, 0, 0, 0, 1 }, /* PA27 */ + /* PA26 */ { 0, 0, 0, 0, 0, 1 }, /* PA26 */ + /* PA25 */ { 0, 0, 0, 0, 0, 1 }, /* PA25 */ + /* PA24 */ { 0, 0, 0, 0, 0, 1 }, /* PA24 */ + /* PA23 */ { 0, 0, 0, 0, 0, 1 }, /* PA23 */ + /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ + /* PA21 */ { 0, 0, 0, 0, 0, 1 }, /* PA21 */ + /* PA20 */ { 0, 0, 0, 0, 0, 1 }, /* PA20 */ + /* PA19 */ { 0, 0, 0, 0, 0, 1 }, /* PA19 */ + /* PA18 */ { 0, 0, 0, 0, 0, 1 }, /* PA18 */ + /* PA17 */ { 0, 0, 0, 0, 0, 1 }, /* PA17 */ + /* PA16 */ { 0, 0, 0, 0, 0, 1 }, /* PA16 */ + /* PA15 */ { 0, 0, 0, 0, 0, 1 }, /* PA15 */ + /* PA14 */ { 0, 0, 0, 0, 0, 1 }, /* PA14 */ + /* PA13 */ { 0, 0, 0, 0, 0, 1 }, /* PA13 */ + /* PA12 */ { 0, 0, 0, 0, 0, 1 }, /* PA12 */ + /* PA11 */ { 0, 0, 0, 0, 0, 1 }, /* PA11 */ + /* PA10 */ { 0, 0, 0, 0, 0, 1 }, /* PA10 */ + /* PA9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC2 TxD */ + /* PA8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC2 RxD */ + /* PA7 */ { 0, 0, 0, 0, 0, 1 }, /* PA7 */ + /* PA6 */ { 0, 0, 0, 0, 0, 1 }, /* PA6 */ + /* PA5 */ { 0, 0, 0, 0, 0, 1 }, /* PA5 */ + /* PA4 */ { 0, 0, 0, 0, 0, 1 }, /* PA4 */ + /* PA3 */ { 0, 0, 0, 0, 0, 1 }, /* PA3 */ + /* PA2 */ { 0, 0, 0, 0, 0, 1 }, /* PA2 */ + /* PA1 */ { 0, 0, 0, 0, 0, 1 }, /* PA1 */ + /* PA0 */ { 0, 0, 0, 0, 0, 1 } /* PA0 */ + }, + + /* Port B */ + { /* conf ppar psor pdir podr pdat */ + /* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ + /* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ + /* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ + /* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ + /* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ + /* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ + /* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ + /* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ + /* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ + /* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ + /* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ + /* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ + /* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ + /* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ + /* PB17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ + /* PB16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ + /* PB15 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ + /* PB14 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ + /* PB13 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */ + /* PB12 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ + /* PB11 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB10 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB9 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB8 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ + /* PB6 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB5 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB4 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ + }, + + /* Port C */ + { /* conf ppar psor pdir podr pdat */ + /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ + /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ + /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 CTS# */ + /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ + /* PC27 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3: TXD[0] */ + /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ + /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ + /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ + /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ + /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */ + /* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */ + /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ + /* PC19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* RxClk (CLK13) */ + /* PC18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* TxClk (CLK14) */ + /* PC17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* RxClk (CLK15) */ + /* PC16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* TxClk (CLK16) */ + /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ + /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 CD# */ + /* PC13 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CTS# */ + /* PC12 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CD# */ + /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ + /* PC10 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 CD# */ + /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */ + /* PC8 */ { 1, 1, 1, 0, 0, 0 }, /* SCC3 CTS# */ + /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ + /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ + /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ + /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ + /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ + /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ + /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ + /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ + }, + + /* Port D */ + { /* conf ppar psor pdir podr pdat */ + /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RXD */ + /* PD30 */ { 1, 1, 1, 1, 0, 1 }, /* SCC1 TXD */ + /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS# */ + /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RXD */ + /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 TXD */ + /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS# */ + /* PD25 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RXD */ + /* PD24 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 TXD */ + /* PD23 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 RTS# */ + /* PD22 */ { 0, 0, 0, 0, 0, 1 }, /* PD22 */ + /* PD21 */ { 0, 0, 0, 0, 0, 1 }, /* PD21 */ + /* PD20 */ { 0, 0, 0, 0, 0, 1 }, /* PD20 */ + /* PD19 */ { 0, 0, 0, 0, 0, 1 }, /* PD19 */ + /* PD18 */ { 0, 0, 0, 0, 0, 1 }, /* PD18 */ + /* PD17 */ { 0, 0, 0, 0, 0, 1 }, /* PD17 */ + /* PD16 */ { 0, 0, 0, 0, 0, 1 }, /* PD16 */ + /* PD15 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SDA */ + /* PD14 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SCL */ + /* PD13 */ { 0, 0, 0, 0, 0, 1 }, /* PD13 */ + /* PD12 */ { 0, 0, 0, 0, 0, 1 }, /* PD12 */ + /* PD11 */ { 0, 0, 0, 0, 0, 1 }, /* PD11 */ + /* PD10 */ { 0, 0, 0, 0, 0, 1 }, /* PD10 */ + /* PD9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC1 TxD */ + /* PD8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 RxD */ + /* PD7 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 SMSYN */ + /* PD6 */ { 0, 0, 0, 0, 0, 1 }, /* PD6 */ + /* PD5 */ { 0, 0, 0, 0, 0, 1 }, /* PD5 */ + /* PD4 */ { 0, 0, 0, 0, 0, 1 }, /* PD4 */ + /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ + } +}; + +#ifdef CONFIG_PCI +typedef struct pci_ic_s { + unsigned long pci_int_stat; + unsigned long pci_int_mask; +}pci_ic_t; +#endif + +int board_early_init_f (void) +{ + vu_char *bcsr = (vu_char *)CFG_BCSR; + + bcsr[4] |= 0x30; /* Turn the LEDs off */ + +#if defined(CONFIG_CONS_ON_SMC) || defined(CONFIG_KGDB_ON_SMC) + bcsr[6] |= 0x10; +#endif +#if defined(CONFIG_CONS_ON_SCC) || defined(CONFIG_KGDB_ON_SCC) + bcsr[7] |= 0x10; +#endif + +#if CFG_FCC3 + bcsr[8] |= 0xC0; +#endif /* CFG_FCC3 */ +#if CFG_FCC2 + bcsr[8] |= 0x30; +#endif /* CFG_FCC2 */ + + return 0; +} + +long int initdram(int board_type) +{ + /* Size in MB of SDRAM populated on board*/ + long int msize = 256; + +#ifndef CFG_RAMBOOT + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8260_t *memctl = &immap->im_memctl; + vu_char *ramaddr = (vu_char *)CFG_SDRAM_BASE; + uchar c = 0xFF; + uint psdmr = CFG_PSDMR; + int i; + + unsigned char ramtmp; + unsigned char *ramptr1 = (unsigned char *)0x00000110; + + memctl->memc_mptpr = CFG_MPTPR; + +udelay(400); + + /* Initialise 60x bus SDRAM */ + memctl->memc_psrt = CFG_PSRT; + memctl->memc_or1 = CFG_SDRAM_OR; + memctl->memc_br1 = CFG_SDRAM_BR; + memctl->memc_psdmr = psdmr; + +udelay(400); + + memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; /* Precharge all banks */ + ramtmp = *ramptr1; + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */ + for (i = 0; i < 8; i++) { + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */ + } + ramtmp = *ramptr1; + memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; /* Mode Register write */ + *ramptr1 = 0xFF; + memctl->memc_psdmr = psdmr | PSDMR_RFEN; /* Refresh enable */ +#endif /* !CFG_RAMBOOT */ + + /* Return total 60x bus SDRAM size */ + return msize * 1024 * 1024; +} + +int checkboard(void) +{ + vu_char *bcsr = (vu_char *)CFG_BCSR; + + puts("Board: "); + switch (bcsr[0]) { + case 0x0A: + printf("EP82xxM 1.0 CPLD revision %d\n", bcsr[1]); + break; + default: + printf("unknown: ID=%02X\n", bcsr[0]); + } + + return 0; +} + +#ifdef CONFIG_PCI +struct pci_controller hose; + +extern void pci_mpc8250_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc8250_init(&hose); +} +#endif |