/* * Copyright (C) 2006 Embedded Planet, LLC. * * Support for Embedded Planet EP82xxM boards. * Tested on EP82xxM (MPC8270). * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #ifdef CONFIG_PCI #include #endif #include #include /* * 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 CONFIG_SYS_FCC2 1 #define CONFIG_SYS_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 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ /* PB30 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ /* PB29 */ { CONFIG_SYS_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ /* PB28 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ /* PB27 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ /* PB26 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ /* PB25 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ /* PB24 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ /* PB23 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ /* PB22 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ /* PB21 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ /* PB20 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ /* PB19 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ /* PB18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ /* PB17 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ /* PB16 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ /* PB15 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ /* PB14 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ /* PB13 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */ /* PB12 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ /* PB11 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB10 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB9 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB8 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ /* PB6 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB5 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ /* PB4 */ { CONFIG_SYS_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 */ { CONFIG_SYS_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 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* RxClk (CLK13) */ /* PC18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* TxClk (CLK14) */ /* PC17 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* RxClk (CLK15) */ /* PC16 */ { CONFIG_SYS_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 *)CONFIG_SYS_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 CONFIG_SYS_FCC3 bcsr[8] |= 0xC0; #endif /* CONFIG_SYS_FCC3 */ #if CONFIG_SYS_FCC2 bcsr[8] |= 0x30; #endif /* CONFIG_SYS_FCC2 */ return 0; } phys_size_t initdram(int board_type) { /* Size in MB of SDRAM populated on board*/ long int msize = 256; #ifndef CONFIG_SYS_RAMBOOT volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile memctl8260_t *memctl = &immap->im_memctl; uint psdmr = CONFIG_SYS_PSDMR; int i; unsigned char *ramptr1 = (unsigned char *)0x00000110; __maybe_unused unsigned char ramtmp; memctl->memc_mptpr = CONFIG_SYS_MPTPR; udelay(400); /* Initialise 60x bus SDRAM */ memctl->memc_psrt = CONFIG_SYS_PSRT; memctl->memc_or1 = CONFIG_SYS_SDRAM_OR; memctl->memc_br1 = CONFIG_SYS_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 /* !CONFIG_SYS_RAMBOOT */ /* Return total 60x bus SDRAM size */ return msize * 1024 * 1024; } int checkboard(void) { vu_char *bcsr = (vu_char *)CONFIG_SYS_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