/* * (C) Copyright 2000 * Sysgo Real-Time Solutions, GmbH * Marius Groeger * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include /* define to initialise the SDRAM on the local bus */ #undef INIT_LOCAL_BUS_SDRAM /* I2C Bus adresses for PPC & Protocol board */ #define PPC8260_I2C_ADR 0x30 /*(0)011.0000 */ #define LM84_PPC_I2C_ADR 0x2A /*(0)010.1010 */ #define LM84_SHARC_I2C_ADR 0x29 /*(0)010.1001 */ #define VIRTEX_I2C_ADR 0x25 /*(0)010.0101 */ #define X24645_PPC_I2C_ADR 0x00 /*(0)00X.XXXX -> be careful ! No other i2c-chip should have an adress beginning with (0)00 !!! */ #define RS5C372_PPC_I2C_ADR 0x32 /*(0)011.0010 -> this adress is programmed by the manufacturer and cannot be changed !!! */ /* * 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, 0, 0, 0, 0, 0 }, /* PA30 */ { 0, 0, 0, 0, 0, 0 }, /* PA29 */ { 0, 0, 0, 0, 0, 0 }, /* PA28 */ { 0, 0, 0, 0, 0, 0 }, /* PA27 */ { 0, 0, 0, 0, 0, 0 }, /* PA26 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA21 */ { 0, 0, 0, 0, 0, 0 }, /* PA20 */ { 0, 0, 0, 0, 0, 0 }, /* PA19 */ { 0, 0, 0, 0, 0, 0 }, /* PA18 */ { 0, 0, 0, 0, 0, 0 }, /* PA17 */ { 0, 0, 0, 0, 0, 0 }, /* PA16 */ { 0, 0, 0, 0, 0, 0 }, /* PA15 */ { 0, 0, 0, 0, 0, 0 }, /* PA14 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA9 */ { 0, 0, 0, 0, 0, 0 }, /* PA8 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA0 */ { 0, 0, 0, 0, 0, 0 } }, { /* conf ppar psor pdir podr pdat */ /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* 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 */ }, { /* conf ppar psor pdir podr pdat */ /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* ETHRXCLK: CLK14 */ /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* ETHTXCLK: CLK15 */ /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART CD/ */ /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDC: GP */ /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDIO: GP */ /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ { 0, 0, 0, 0, 0, 0 } }, { /* conf ppar psor pdir podr pdat */ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */ /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */ /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD9 */ { 0, 0, 0, 0, 0, 0 }, /* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* 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 */ } }; /* ------------------------------------------------------------------------- */ struct tm { unsigned int tm_sec; unsigned int tm_min; unsigned int tm_hour; unsigned int tm_wday; unsigned int tm_mday; unsigned int tm_mon; unsigned int tm_year; }; void read_RS5C372_time (struct tm *timedate) { unsigned char buffer[8]; if (! i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) { timedate->tm_sec = bcd2bin (buffer[0]); timedate->tm_min = bcd2bin (buffer[1]); timedate->tm_hour = bcd2bin (buffer[2]); timedate->tm_wday = bcd2bin (buffer[3]); timedate->tm_mday = bcd2bin (buffer[4]); timedate->tm_mon = bcd2bin (buffer[5]); timedate->tm_year = bcd2bin (buffer[6]) + 2000; } else { /*printf("i2c error %02x\n", rc); */ memset (timedate, 0, sizeof (struct tm)); } } /* ------------------------------------------------------------------------- */ int read_LM84_temp (int address) { unsigned char buffer[8]; /*int rc;*/ if (! i2c_read (address, 0, 1, buffer, 1)) { return (int) buffer[0]; } else { /*printf("i2c error %02x\n", rc); */ return -42; } } /* ------------------------------------------------------------------------- */ /* * Check Board Identity: */ int checkboard (void) { struct tm timedate; unsigned int ppctemp, prottemp; puts ("Board: Rohde & Schwarz 8260 Protocol Board\n"); /* initialise i2c */ i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); read_RS5C372_time (&timedate); printf (" Time: %02d:%02d:%02d\n", timedate.tm_hour, timedate.tm_min, timedate.tm_sec); printf (" Date: %02d-%02d-%04d\n", timedate.tm_mday, timedate.tm_mon, timedate.tm_year); ppctemp = read_LM84_temp (LM84_PPC_I2C_ADR); prottemp = read_LM84_temp (LM84_SHARC_I2C_ADR); printf (" Temp: PPC %d C, Protocol Board %d C\n", ppctemp, prottemp); return 0; } /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations while still * running in flash */ int misc_init_f (void) { return 0; } /* ------------------------------------------------------------------------- */ phys_size_t initdram (int board_type) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile memctl8260_t *memctl = &immap->im_memctl; #ifdef INIT_LOCAL_BUS_SDRAM volatile uchar *ramaddr8; #endif volatile ulong *ramaddr32; ulong sdmr; int i; /* * Only initialize SDRAM when running from FLASH. * When running from RAM, don't touch it. */ if ((ulong) initdram & 0xff000000) { immap->im_siu_conf.sc_ppc_acr = 0x02; immap->im_siu_conf.sc_ppc_alrh = 0x01267893; immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF; immap->im_siu_conf.sc_lcl_acr = 0x02; immap->im_siu_conf.sc_lcl_alrh = 0x01234567; immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF; /* * Program local/60x bus Transfer Error Status and Control Regs: * Disable parity errors */ immap->im_siu_conf.sc_tescr1 = 0x00040000; immap->im_siu_conf.sc_ltescr1 = 0x00040000; /* * Perform Power-Up Initialisation of SDRAM (see 8260 UM, 10.4.2) * * The appropriate BRx/ORx registers have already * been set when we get here (see cpu_init_f). The * SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE. */ memctl->memc_mptpr = 0x2000; memctl->memc_mar = 0x0200; #ifdef INIT_LOCAL_BUS_SDRAM /* initialise local bus ram * * (using the PSRMR_ definitions is NOT an error here * - the LSDMR has the same fields as the PSDMR!) */ memctl->memc_lsrt = 0x0b; memctl->memc_lurt = 0x00; ramaddr = (uchar *) PHYS_SDRAM_LOCAL; sdmr = CONFIG_SYS_LSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI); memctl->memc_lsdmr = sdmr | PSDMR_OP_PREA; *ramaddr = 0xff; for (i = 0; i < 8; i++) { memctl->memc_lsdmr = sdmr | PSDMR_OP_CBRR; *ramaddr = 0xff; } memctl->memc_lsdmr = sdmr | PSDMR_OP_MRW; *ramaddr = 0xff; memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_OP_NORM; #endif /* initialise 60x bus ram */ memctl->memc_psrt = 0x0b; memctl->memc_purt = 0x08; ramaddr32 = (ulong *) PHYS_SDRAM_60X; sdmr = CONFIG_SYS_PSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI); memctl->memc_psdmr = sdmr | PSDMR_OP_PREA; ramaddr32[0] = 0x00ff00ff; ramaddr32[1] = 0x00ff00ff; memctl->memc_psdmr = sdmr | PSDMR_OP_CBRR; for (i = 0; i < 8; i++) { ramaddr32[0] = 0x00ff00ff; ramaddr32[1] = 0x00ff00ff; } memctl->memc_psdmr = sdmr | PSDMR_OP_MRW; ramaddr32[0] = 0x00ff00ff; ramaddr32[1] = 0x00ff00ff; memctl->memc_psdmr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; } /* return the size of the 60x bus ram */ return PHYS_SDRAM_60X_SIZE; } /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations after monitor * has been relocated into ram */ int misc_init_r (void) { printf ("misc_init_r\n"); return (0); }