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u-boot/board/hymod/hymod.c
wdenk 16f217049a Initial revision
2002-08-26 21:58:50 +00:00

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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.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
*
* Hacked for the Hymod board by Murray.Jensen@cmst.csiro.au, 20-Oct-00
*/
#include <common.h>
#include <mpc8260.h>
#include <ioports.h>
#include <i2c.h>
#include <asm/iopin_8260.h>
/* ------------------------------------------------------------------------- */
/* imports from eeprom.c */
extern int eeprom_load (unsigned, hymod_eeprom_t *);
extern int eeprom_fetch (unsigned, char *, ulong);
extern void eeprom_print (hymod_eeprom_t *);
/* imports from fetch.c */
extern int fetch_and_parse (char *, ulong, int (*)(uchar *, uchar *));
/* imports from common/main.c */
extern char console_buffer[CFG_CBSIZE];
/* ------------------------------------------------------------------------- */
/*
* 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 */ {1, 1, 1, 0, 0, 0},
/* FCC1 MII COL */
/* PA30 */ {1, 1, 1, 0, 0, 0},
/* FCC1 MII CRS */
/* PA29 */ {1, 1, 1, 1, 0, 0},
/* FCC1 MII TX_ER */
/* PA28 */ {1, 1, 1, 1, 0, 0},
/* FCC1 MII TX_EN */
/* PA27 */ {1, 1, 1, 0, 0, 0},
/* FCC1 MII RX_DV */
/* PA26 */ {1, 1, 1, 0, 0, 0},
/* FCC1 MII RX_ER */
/* PA25 */ {1, 0, 0, 1, 0, 0},
/* FCC2 MII MDIO */
/* PA24 */ {1, 0, 0, 1, 0, 0},
/* FCC2 MII MDC */
/* PA23 */ {1, 0, 0, 1, 0, 0},
/* FCC3 MII MDIO */
/* PA22 */ {1, 0, 0, 1, 0, 0},
/* FCC3 MII MDC */
/* PA21 */ {1, 1, 0, 1, 0, 0},
/* FCC1 MII TxD[3] */
/* PA20 */ {1, 1, 0, 1, 0, 0},
/* FCC1 MII TxD[2] */
/* PA19 */ {1, 1, 0, 1, 0, 0},
/* FCC1 MII TxD[1] */
/* PA18 */ {1, 1, 0, 1, 0, 0},
/* FCC1 MII TxD[0] */
/* PA17 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII RxD[3] */
/* PA16 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII RxD[2] */
/* PA15 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII RxD[1] */
/* PA14 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII RxD[0] */
/* PA13 */ {1, 0, 0, 1, 0, 0},
/* FCC1 MII MDIO */
/* PA12 */ {1, 0, 0, 1, 0, 0},
/* FCC1 MII MDC */
/* PA11 */ {1, 0, 0, 1, 0, 0},
/* SEL_CD */
/* PA10 */ {1, 0, 0, 0, 0, 0},
/* FLASH STS1 */
/* PA9 */ {1, 0, 0, 0, 0, 0},
/* FLASH STS0 */
/* PA8 */ {1, 0, 0, 0, 0, 0},
/* FLASH ~PE */
/* PA7 */ {1, 0, 0, 0, 0, 0},
/* WATCH ~HRESET */
/* PA6 */ {1, 0, 0, 0, 1, 0},
/* VC DONE */
/* PA5 */ {1, 0, 0, 1, 1, 0},
/* VC INIT */
/* PA4 */ {1, 0, 0, 1, 0, 0},
/* VC ~PROG */
/* PA3 */ {1, 0, 0, 1, 0, 0},
/* VM ENABLE */
/* PA2 */ {1, 0, 0, 0, 1, 0},
/* VM DONE */
/* PA1 */ {1, 0, 0, 1, 1, 0},
/* VM INIT */
/* PA0 */ {1, 0, 0, 1, 0, 0}
/* VM ~PROG */
},
/* Port B configuration */
{ /* 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 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RX_DV */
/* PB16 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RX_ER */
/* PB15 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TX_ER */
/* PB14 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TX_EN */
/* PB13 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII COL */
/* PB12 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII CRS */
/* PB11 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RxD[3] */
/* PB10 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RxD[2] */
/* PB9 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RxD[1] */
/* PB8 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RxD[0] */
/* PB7 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TxD[3] */
/* PB6 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TxD[2] */
/* PB5 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TxD[1] */
/* PB4 */ {1, 1, 0, 1, 0, 0},
/* FCC3 MII TxD[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 */
},
/* Port C */
{ /* conf ppar psor pdir podr pdat */
/* PC31 */ {1, 0, 0, 0, 0, 0},
/* MEZ ~IACK */
/* PC30 */ {0, 0, 0, 0, 0, 0},
/* PC29 */ {1, 1, 0, 0, 0, 0},
/* CLK SCCx */
/* PC28 */ {1, 1, 0, 0, 0, 0},
/* CLK4 */
/* PC27 */ {1, 1, 0, 0, 0, 0},
/* CLK SCCF */
/* PC26 */ {1, 1, 0, 0, 0, 0},
/* CLK 32K */
/* PC25 */ {1, 1, 0, 0, 0, 0},
/* BRG4/CLK7 */
/* PC24 */ {0, 0, 0, 0, 0, 0},
/* PC23 */ {1, 1, 0, 0, 0, 0},
/* CLK SCCx */
/* PC22 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII RX_CLK */
/* PC21 */ {1, 1, 0, 0, 0, 0},
/* FCC1 MII TX_CLK */
/* PC20 */ {1, 1, 0, 0, 0, 0},
/* CLK SCCF */
/* PC19 */ {1, 1, 0, 0, 0, 0},
/* FCC2 MII RX_CLK */
/* PC18 */ {1, 1, 0, 0, 0, 0},
/* FCC2 MII TX_CLK */
/* PC17 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII RX_CLK */
/* PC16 */ {1, 1, 0, 0, 0, 0},
/* FCC3 MII TX_CLK */
/* PC15 */ {1, 0, 0, 0, 0, 0},
/* SCC1 UART ~CTS */
/* PC14 */ {1, 0, 0, 0, 0, 0},
/* SCC1 UART ~CD */
/* PC13 */ {1, 0, 0, 0, 0, 0},
/* SCC2 UART ~CTS */
/* PC12 */ {1, 0, 0, 0, 0, 0},
/* SCC2 UART ~CD */
/* PC11 */ {1, 0, 0, 1, 0, 0},
/* SCC1 UART ~DTR */
/* PC10 */ {1, 0, 0, 1, 0, 0},
/* SCC1 UART ~DSR */
/* PC9 */ {1, 0, 0, 1, 0, 0},
/* SCC2 UART ~DTR */
/* PC8 */ {1, 0, 0, 1, 0, 0},
/* SCC2 UART ~DSR */
/* PC7 */ {1, 0, 0, 0, 0, 0},
/* TEMP ~ALERT */
/* PC6 */ {1, 0, 0, 0, 0, 0},
/* FCC3 INT */
/* PC5 */ {1, 0, 0, 0, 0, 0},
/* FCC2 INT */
/* PC4 */ {1, 0, 0, 0, 0, 0},
/* FCC1 INT */
/* PC3 */ {1, 1, 1, 1, 0, 0},
/* SDMA IDMA2 ~DACK */
/* PC2 */ {1, 1, 1, 0, 0, 0},
/* SDMA IDMA2 ~DONE */
/* PC1 */ {1, 1, 0, 0, 0, 0},
/* SDMA IDMA2 ~DREQ */
/* PC0 */ {1, 1, 0, 1, 0, 0}
/* BRG7 */
},
/* Port D */
{ /* 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 */ {1, 0, 0, 1, 0, 0},
/* SCC1 UART ~RTS */
/* PD28 */ {1, 1, 0, 0, 0, 0},
/* SCC2 UART RxD */
/* PD27 */ {1, 1, 0, 1, 0, 0},
/* SCC2 UART TxD */
/* PD26 */ {1, 0, 0, 1, 0, 0},
/* SCC2 UART ~RTS */
/* PD25 */ {1, 0, 0, 0, 0, 0},
/* SCC1 UART ~RI */
/* PD24 */ {1, 0, 0, 0, 0, 0},
/* SCC2 UART ~RI */
/* PD23 */ {1, 0, 0, 1, 0, 0},
/* CLKGEN PD */
/* PD22 */ {1, 0, 0, 0, 0, 0},
/* USER3 */
/* PD21 */ {1, 0, 0, 0, 0, 0},
/* USER2 */
/* PD20 */ {1, 0, 0, 0, 0, 0},
/* USER1 */
/* PD19 */ {1, 1, 1, 0, 0, 0},
/* SPI ~SEL */
/* PD18 */ {1, 1, 1, 0, 0, 0},
/* SPI CLK */
/* PD17 */ {1, 1, 1, 0, 0, 0},
/* SPI MOSI */
/* PD16 */ {1, 1, 1, 0, 0, 0},
/* SPI MISO */
/* PD15 */ {1, 1, 1, 0, 1, 0},
/* I2C SDA */
/* PD14 */ {1, 1, 1, 0, 1, 0},
/* I2C SCL */
/* PD13 */ {1, 0, 0, 1, 0, 1},
/* TEMP ~STDBY */
/* PD12 */ {1, 0, 0, 1, 0, 1},
/* FCC3 ~RESET */
/* PD11 */ {1, 0, 0, 1, 0, 1},
/* FCC2 ~RESET */
/* PD10 */ {1, 0, 0, 1, 0, 1},
/* FCC1 ~RESET */
/* PD9 */ {1, 0, 0, 0, 0, 0},
/* PD9 */
/* PD8 */ {1, 0, 0, 0, 0, 0},
/* PD8 */
/* PD7 */ {1, 0, 0, 1, 0, 1},
/* PD7 */
/* PD6 */ {1, 0, 0, 1, 0, 1},
/* PD6 */
/* PD5 */ {1, 0, 0, 1, 0, 1},
/* PD5 */
/* PD4 */ {1, 0, 0, 1, 0, 1},
/* PD4 */
/* 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 */
}
};
/* ------------------------------------------------------------------------- */
/*
* AMI FS6377 Clock Generator configuration table
*
* the "fs6377_regs[]" table entries correspond to FS6377 registers
* 0 - 15 (total of 16 bytes).
*
* the data is written to the FS6377 via the i2c bus using address in
* "fs6377_addr" (address is 7 bits - R/W bit not included).
*/
uchar fs6377_addr = 0x5c;
uchar fs6377_regs[16] = {
12, 75, 64, 25, 144, 128, 25, 192,
0, 16, 135, 192, 224, 64, 64, 192
};
iopin_t pa11 = { IOPIN_PORTA, 11, 0 };
/* ------------------------------------------------------------------------- */
/*
* special board initialisation, after clocks and timebase have been
* set up but before environment and serial are initialised.
*
* added so that very early initialisations can be done using the i2c
* driver (which requires the clocks, to calculate the dividers, and
* the timebase, for udelay())
*/
int board_postclk_init (void)
{
i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
/*
* Initialise the FS6377 clock chip
*
* the secondary address is the register number from where to
* start the write - I want to write all the registers
*
* don't bother checking return status - we have no console yet
* to print it on, nor any RAM to store it in - it will be obvious
* if this doesn't work
*/
(void) i2c_write (fs6377_addr, 0, 1, fs6377_regs,
sizeof (fs6377_regs));
return (0);
}
/* ------------------------------------------------------------------------- */
/*
* Check Board Identity: Hardwired to HYMOD
*/
int checkboard (void)
{
puts ("Board: HYMOD\n");
return (0);
}
/* ------------------------------------------------------------------------- */
/*
* miscellaneous (early - while running in flash) initialisations.
*/
#define _NOT_USED_ 0xFFFFFFFF
uint upmb_table[] = {
/* Read Single Beat (RSS) - offset 0x00 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Read Burst (RBS) - offset 0x08 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Write Single Beat (WSS) - offset 0x18 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Write Burst (WSS) - offset 0x20 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Refresh Timer (PTS) - offset 0x30 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Exception Condition (EXS) - offset 0x3c */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_
};
uint upmc_table[] = {
/* Read Single Beat (RSS) - offset 0x00 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Read Burst (RBS) - offset 0x08 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Write Single Beat (WSS) - offset 0x18 */
0xF0E00000, 0xF0A00000, 0x00A00000, 0x30A00000,
0xF0F40007, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Write Burst (WSS) - offset 0x20 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Refresh Timer (PTS) - offset 0x30 */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* Exception Condition (EXS) - offset 0x3c */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_
};
int misc_init_f (void)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
printf ("UPMs: ");
upmconfig (UPMB, upmb_table, sizeof upmb_table / sizeof upmb_table[0]);
memctl->memc_mbmr = CFG_MBMR;
upmconfig (UPMC, upmc_table, sizeof upmc_table / sizeof upmc_table[0]);
memctl->memc_mcmr = CFG_MCMR;
printf ("configured\n");
return (0);
}
/* ------------------------------------------------------------------------- */
long initdram (int board_type)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
volatile uchar c = 0, *ramaddr = (uchar *) (CFG_SDRAM_BASE + 0x8);
ulong psdmr = CFG_PSDMR;
int i;
/*
* Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
*
* "At system reset, initialization software must set up the
* programmable parameters in the memory controller banks registers
* (ORx, BRx, P/LSDMR). After all memory parameters are con<6F>gured,
* system software should execute the following initialization sequence
* for each SDRAM device.
*
* 1. Issue a PRECHARGE-ALL-BANKS command
* 2. Issue eight CBR REFRESH commands
* 3. Issue a MODE-SET command to initialize the mode register
*
* The initial commands are executed by setting P/LSDMR[OP] and
* accessing the SDRAM with a single-byte transaction."
*
* The appropriate BRx/ORx registers have already been set when we
* get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
*/
memctl->memc_psrt = CFG_PSRT;
memctl->memc_mptpr = CFG_MPTPR;
memctl->memc_psdmr = psdmr | PSDMR_OP_PREA;
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR;
for (i = 0; i < 8; i++)
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_OP_MRW;
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*ramaddr = c;
return (CFG_SDRAM_SIZE << 20);
}
/* ------------------------------------------------------------------------- */
/* miscellaneous initialisations after relocation into ram (misc_init_r) */
/* */
/* loads the data in the main board and mezzanine board eeproms into */
/* the hymod configuration struct stored in the board information area. */
/* */
/* if the contents of either eeprom is invalid, prompts for a serial */
/* number (and an ethernet address if required) then fetches a file */
/* containing information to be stored in the eeprom from the tftp server */
/* (the file name is based on the serial number and a built-in path) */
/* these are relative to the root of the server's tftp directory */
static char *bddb_cfgdir = "/hymod/bddb";
static char *global_env_path = "/hymod/global_env";
static ulong get_serno (const char *prompt)
{
for (;;) {
int n;
char *p;
ulong serno;
n = readline (prompt);
if (n < 0)
return (0);
if (n == 0)
continue;
serno = simple_strtol (console_buffer, &p, 10);
if (p > console_buffer && *p == '\0')
return (serno);
printf ("Invalid number (%s) - please re-enter\n", console_buffer);
}
}
static int read_eeprom (char *label, unsigned offset, hymod_eeprom_t * ep)
{
char filename[50], prompt[50];
ulong serno;
int count = 0;
sprintf (prompt, "Enter %s board serial number: ", label);
for (;;) {
if (eeprom_load (offset, ep))
return (1);
printf ("*** %s board EEPROM contents are %sinvalid\n",
label, count == 0 ? "" : "STILL ");
puts ("*** will attempt to fetch from server (Ctrl-C to abort)\n");
if ((serno = get_serno (prompt)) == 0) {
puts ("\n*** interrupted! - ignoring eeprom contents\n");
return (0);
}
sprintf (filename, "%s/%010lu.cfg", bddb_cfgdir, serno);
printf ("*** fetching %s board EEPROM contents from server\n",
label);
if (eeprom_fetch (offset, filename, 0x100000) == 0) {
puts ("*** fetch failed - ignoring eeprom contents\n");
return (0);
}
count++;
}
}
static ulong main_serno;
static int env_fetch_callback (uchar * name, uchar * value)
{
char *ov, nv[CFG_CBSIZE], *p, *q, *nn;
int override = 1, append = 0, nl;
nn = name;
if (*nn == '-') {
override = 0;
nn++;
}
if ((nl = strlen (nn)) > 0 && nn[nl - 1] == '+') {
append = 1;
nn[--nl] = '\0';
}
p = value;
q = nv;
while ((*q = *p++) != '\0')
if (*q == '%') {
switch (*p++) {
case '\0': /* whoops - back up */
p--;
break;
case '%': /* a single percent character */
q++;
break;
case 's': /* main board serial number as string */
q += sprintf (q, "%010lu", main_serno);
break;
case 'S': /* main board serial number as number */
q += sprintf (q, "%lu", main_serno);
break;
default: /* ignore any others */
break;
}
} else
q++;
if ((ov = getenv (nn)) != NULL) {
if (append) {
if (strstr (ov, nv) == NULL) {
int ovl, nvl;
printf ("Appending '%s' to env cmd '%s'\n", nv, nn);
ovl = strlen (ov);
nvl = strlen (nv);
while (nvl >= 0) {
nv[ovl + 1 + nvl] = nv[nvl];
nvl--;
}
nv[ovl] = ' ';
while (--ovl >= 0)
nv[ovl] = ov[ovl];
setenv (nn, nv);
}
return (1);
}
if (!override || strcmp (ov, nv) == 0)
return (1);
printf ("Re-setting env cmd '%s' from '%s' to '%s'\n", nn, ov, nv);
} else
printf ("Setting env cmd '%s' to '%s'\n", nn, nv);
setenv (nn, nv);
return (1);
}
int misc_init_r (void)
{
DECLARE_GLOBAL_DATA_PTR;
hymod_conf_t *cp = &gd->bd->bi_hymod_conf;
int rc;
memset ((void *) cp, 0, sizeof (*cp));
/* set up main board config info */
if (i2c_probe (CFG_I2C_EEPROM_ADDR | HYMOD_EEOFF_MAIN)) {
if (read_eeprom
("main", HYMOD_EEOFF_MAIN << 8, &cp->main.eeprom))
cp->main.eeprom_valid = 1;
puts ("EEPROM:main...");
if (cp->main.eeprom_valid) {
printf ("OK (ver %u)\n", cp->main.eeprom.ver);
eeprom_print (&cp->main.eeprom);
main_serno = cp->main.eeprom.serno;
} else
puts ("BAD\n");
cp->main.mmap[0].prog.exists = 1;
cp->main.mmap[0].prog.size = FPGA_MAIN_CFG_SIZE;
cp->main.mmap[0].prog.base = FPGA_MAIN_CFG_BASE;
cp->main.mmap[0].reg.exists = 1;
cp->main.mmap[0].reg.size = FPGA_MAIN_REG_SIZE;
cp->main.mmap[0].reg.base = FPGA_MAIN_REG_BASE;
cp->main.mmap[0].port.exists = 1;
cp->main.mmap[0].port.size = FPGA_MAIN_PORT_SIZE;
cp->main.mmap[0].port.base = FPGA_MAIN_PORT_BASE;
cp->main.iopins[0].prog_pin.port = FPGA_MAIN_PROG_PORT;
cp->main.iopins[0].prog_pin.pin = FPGA_MAIN_PROG_PIN;
cp->main.iopins[0].prog_pin.flag = 1;
cp->main.iopins[0].init_pin.port = FPGA_MAIN_INIT_PORT;
cp->main.iopins[0].init_pin.pin = FPGA_MAIN_INIT_PIN;
cp->main.iopins[0].init_pin.flag = 1;
cp->main.iopins[0].done_pin.port = FPGA_MAIN_DONE_PORT;
cp->main.iopins[0].done_pin.pin = FPGA_MAIN_DONE_PIN;
cp->main.iopins[0].done_pin.flag = 1;
#ifdef FPGA_MAIN_ENABLE_PORT
cp->main.iopins[0].enable_pin.port = FPGA_MAIN_ENABLE_PORT;
cp->main.iopins[0].enable_pin.pin = FPGA_MAIN_ENABLE_PIN;
cp->main.iopins[0].enable_pin.flag = 1;
#endif
} else
puts ("EEPROM:main...NOT PRESENT\n");
/* set up mezzanine board config info */
if (i2c_probe (CFG_I2C_EEPROM_ADDR | HYMOD_EEOFF_MEZZ)) {
if (read_eeprom
("mezz", HYMOD_EEOFF_MEZZ << 8, &cp->mezz.eeprom))
cp->mezz.eeprom_valid = 1;
puts ("EEPROM:mezz...");
if (cp->mezz.eeprom_valid) {
printf ("OK (ver %u)\n", cp->mezz.eeprom.ver);
eeprom_print (&cp->mezz.eeprom);
} else
puts ("BAD\n");
cp->mezz.mmap[0].prog.exists = 1;
cp->mezz.mmap[0].prog.size = FPGA_MEZZ_CFG_SIZE;
cp->mezz.mmap[0].prog.base = FPGA_MEZZ_CFG_BASE;
cp->mezz.mmap[0].reg.exists = 0;
cp->mezz.mmap[0].port.exists = 0;
cp->mezz.iopins[0].prog_pin.port = FPGA_MEZZ_PROG_PORT;
cp->mezz.iopins[0].prog_pin.pin = FPGA_MEZZ_PROG_PIN;
cp->mezz.iopins[0].prog_pin.flag = 1;
cp->mezz.iopins[0].init_pin.port = FPGA_MEZZ_INIT_PORT;
cp->mezz.iopins[0].init_pin.pin = FPGA_MEZZ_INIT_PIN;
cp->mezz.iopins[0].init_pin.flag = 1;
cp->mezz.iopins[0].done_pin.port = FPGA_MEZZ_DONE_PORT;
cp->mezz.iopins[0].done_pin.pin = FPGA_MEZZ_DONE_PIN;
cp->mezz.iopins[0].done_pin.flag = 1;
#ifdef FPGA_MEZZ_ENABLE_PORT
cp->mezz.iopins[0].enable_pin.port = FPGA_MEZZ_ENABLE_PORT;
cp->mezz.iopins[0].enable_pin.pin = FPGA_MEZZ_ENABLE_PIN;
cp->mezz.iopins[0].enable_pin.flag = 1;
#endif
if (cp->mezz.eeprom_valid &&
cp->mezz.eeprom.bdtype == HYMOD_BDTYPE_DISPLAY) {
/*
* mezzanine board is a display board - switch the SEL_CD
* input of the FS6377 clock generator (via I/O Port Pin PA11) to
* high (or 1) to select the 27MHz required by the display board
*/
iopin_set_high (&pa11);
puts ("SEL_CD:toggled for display board\n");
}
} else
puts ("EEPROM:mezz...NOT PRESENT\n");
cp->crc =
crc32 (0, (unsigned char *) cp, offsetof (hymod_conf_t, crc));
if (getenv ("global_env_loaded") == NULL) {
puts ("*** global environment has not been loaded\n");
puts ("*** fetching from server (Control-C to Abort)\n");
rc = fetch_and_parse (global_env_path, 0x100000,
env_fetch_callback);
if (rc == 0)
puts ("*** Fetch of environment failed!\n");
else
setenv ("global_env_loaded", "yes");
}
return (0);
}
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