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u-boot/board/rsdproto/rsdproto.c
Luotao Fu fd329e6f05 Fix the i2c frequency and default address in rsdproto board 
rsdproto board support has wrong I2C frequency and wrong return value
handling.

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
2007-11-17 01:55:57 +01:00

378 lines
13 KiB
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/*
* (C) Copyright 2000
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* 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 <ioports.h>
#include <mpc8260.h>
#include <i2c.h>
/* 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];
#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
if (! i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) {
timedate->tm_sec = BCD_TO_BIN (buffer[0]);
timedate->tm_min = BCD_TO_BIN (buffer[1]);
timedate->tm_hour = BCD_TO_BIN (buffer[2]);
timedate->tm_wday = BCD_TO_BIN (buffer[3]);
timedate->tm_mday = BCD_TO_BIN (buffer[4]);
timedate->tm_mon = BCD_TO_BIN (buffer[5]);
timedate->tm_year = BCD_TO_BIN (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 (CFG_I2C_SPEED, CFG_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;
}
/* ------------------------------------------------------------------------- */
long int initdram (int board_type)
{
volatile immap_t *immap = (immap_t *) CFG_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 CFG_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 = CFG_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 = CFG_LSDMR | PSDMR_OP_NORM;
#endif
/* initialise 60x bus ram */
memctl->memc_psrt = 0x0b;
memctl->memc_purt = 0x08;
ramaddr32 = (ulong *) PHYS_SDRAM_60X;
sdmr = CFG_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);
}
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