X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_eeprom.c;h=4a43116e92562cc766cd3a3fbeb577b53bd673b3;hb=1d56f63dab2d9b1ea60601f5f3ae22d8664d8aa5;hp=44d44fe4d09b9c8c2dbe2a47298c1d7129aaf68d;hpb=afbc526336447a7357e9c82852df0377d09a8089;p=u-boot diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c index 44d44fe4d0..4a43116e92 100644 --- a/common/cmd_eeprom.c +++ b/common/cmd_eeprom.c @@ -26,14 +26,14 @@ * Support for read and write access to EEPROM like memory devices. This * includes regular EEPROM as well as FRAM (ferroelectic nonvolaile RAM). * FRAM devices read and write data at bus speed. In particular, there is no - * write delay. Also, there is no limit imposed on the numer of bytes that can + * write delay. Also, there is no limit imposed on the number of bytes that can * be transferred with a single read or write. * * Use the following configuration options to ensure no unneeded performance * degradation (typical for EEPROM) is incured for FRAM memory: * - * #define CFG_I2C_FRAM - * #undef CFG_EEPROM_PAGE_WRITE_DELAY_MS + * #define CONFIG_SYS_I2C_FRAM + * #undef CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * */ @@ -47,12 +47,12 @@ extern int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); extern int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); -#if defined(CFG_EEPROM_WREN) +#if defined(CONFIG_SYS_EEPROM_WREN) extern int eeprom_write_enable (unsigned dev_addr, int state); #endif -#if defined(CFG_EEPROM_X40430) +#if defined(CONFIG_SYS_EEPROM_X40430) /* Maximum number of times to poll for acknowledge after write */ #define MAX_ACKNOWLEDGE_POLLS 10 #endif @@ -60,12 +60,12 @@ extern int eeprom_write_enable (unsigned dev_addr, int state); /* ------------------------------------------------------------------------- */ #if defined(CONFIG_CMD_EEPROM) -int do_eeprom ( cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_eeprom ( cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { const char *const fmt = "\nEEPROM @0x%lX %s: addr %08lx off %04lx count %ld ... "; -#if defined(CFG_I2C_MULTI_EEPROMS) +#if defined(CONFIG_SYS_I2C_MULTI_EEPROMS) if (argc == 6) { ulong dev_addr = simple_strtoul (argv[2], NULL, 16); ulong addr = simple_strtoul (argv[3], NULL, 16); @@ -73,13 +73,13 @@ int do_eeprom ( cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) ulong cnt = simple_strtoul (argv[5], NULL, 16); #else if (argc == 5) { - ulong dev_addr = CFG_DEF_EEPROM_ADDR; + ulong dev_addr = CONFIG_SYS_DEF_EEPROM_ADDR; ulong addr = simple_strtoul (argv[2], NULL, 16); ulong off = simple_strtoul (argv[3], NULL, 16); ulong cnt = simple_strtoul (argv[4], NULL, 16); -#endif /* CFG_I2C_MULTI_EEPROMS */ +#endif /* CONFIG_SYS_I2C_MULTI_EEPROMS */ -# ifndef CONFIG_SPI +# if !defined(CONFIG_SPI) || defined(CONFIG_ENV_EEPROM_IS_ON_I2C) eeprom_init (); # endif /* !CONFIG_SPI */ @@ -104,23 +104,22 @@ int do_eeprom ( cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } } - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; + return CMD_RET_USAGE; } #endif /*----------------------------------------------------------------------- * - * for CFG_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is + * for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is * 0x000nxxxx for EEPROM address selectors at n, offset xxxx in EEPROM. * - * for CFG_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is + * for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is * 0x00000nxx for EEPROM address selectors and page number at n. */ -#ifndef CONFIG_SPI -#if !defined(CFG_I2C_EEPROM_ADDR_LEN) || CFG_I2C_EEPROM_ADDR_LEN < 1 || CFG_I2C_EEPROM_ADDR_LEN > 2 -#error CFG_I2C_EEPROM_ADDR_LEN must be 1 or 2 +#if !defined(CONFIG_SPI) || defined(CONFIG_ENV_EEPROM_IS_ON_I2C) +#if !defined(CONFIG_SYS_I2C_EEPROM_ADDR_LEN) || CONFIG_SYS_I2C_EEPROM_ADDR_LEN < 1 || CONFIG_SYS_I2C_EEPROM_ADDR_LEN > 2 +#error CONFIG_SYS_I2C_EEPROM_ADDR_LEN must be 1 or 2 #endif #endif @@ -136,11 +135,11 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt */ while (offset < end) { unsigned alen, len; -#if !defined(CFG_I2C_FRAM) +#if !defined(CONFIG_SYS_I2C_FRAM) unsigned maxlen; #endif -#if CFG_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) +#if CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) uchar addr[2]; blk_off = offset & 0xFF; /* block offset */ @@ -157,7 +156,7 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt addr[1] = offset >> 8; /* upper address octet */ addr[2] = blk_off; /* lower address octet */ alen = 3; -#endif /* CFG_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ +#endif /* CONFIG_SYS_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ addr[0] |= dev_addr; /* insert device address */ @@ -168,7 +167,7 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt * bytes that can be ccessed with the single read or write * operation. */ -#if !defined(CFG_I2C_FRAM) +#if !defined(CONFIG_SYS_I2C_FRAM) maxlen = 0x100 - blk_off; if (maxlen > I2C_RXTX_LEN) maxlen = I2C_RXTX_LEN; @@ -176,7 +175,7 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt len = maxlen; #endif -#ifdef CONFIG_SPI +#if defined(CONFIG_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) spi_read (addr, alen, buffer, len); #else if (i2c_read (addr[0], offset, alen-1, buffer, len) != 0) @@ -191,10 +190,10 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt /*----------------------------------------------------------------------- * - * for CFG_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is + * for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is * 0x000nxxxx for EEPROM address selectors at n, offset xxxx in EEPROM. * - * for CFG_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is + * for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is * 0x00000nxx for EEPROM address selectors and page number at n. */ @@ -204,7 +203,7 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn unsigned blk_off; int rcode = 0; -#if defined(CFG_EEPROM_X40430) +#if defined(CONFIG_SYS_EEPROM_X40430) uchar contr_r_addr[2]; uchar addr_void[2]; uchar contr_reg[2]; @@ -212,7 +211,7 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn int i; #endif -#if defined(CFG_EEPROM_WREN) +#if defined(CONFIG_SYS_EEPROM_WREN) eeprom_write_enable (dev_addr,1); #endif /* Write data until done or would cross a write page boundary. @@ -222,11 +221,11 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn while (offset < end) { unsigned alen, len; -#if !defined(CFG_I2C_FRAM) +#if !defined(CONFIG_SYS_I2C_FRAM) unsigned maxlen; #endif -#if CFG_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) +#if CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) uchar addr[2]; blk_off = offset & 0xFF; /* block offset */ @@ -243,7 +242,7 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn addr[1] = offset >> 8; /* upper address octet */ addr[2] = blk_off; /* lower address octet */ alen = 3; -#endif /* CFG_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ +#endif /* CONFIG_SYS_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ addr[0] |= dev_addr; /* insert device address */ @@ -251,14 +250,14 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn /* * For a FRAM device there is no limit on the number of the - * bytes that can be ccessed with the single read or write + * bytes that can be accessed with the single read or write * operation. */ -#if !defined(CFG_I2C_FRAM) +#if !defined(CONFIG_SYS_I2C_FRAM) -#if defined(CFG_EEPROM_PAGE_WRITE_BITS) +#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_BITS) -#define EEPROM_PAGE_SIZE (1 << CFG_EEPROM_PAGE_WRITE_BITS) +#define EEPROM_PAGE_SIZE (1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS) #define EEPROM_PAGE_OFFSET(x) ((x) & (EEPROM_PAGE_SIZE - 1)) maxlen = EEPROM_PAGE_SIZE - EEPROM_PAGE_OFFSET(blk_off); @@ -272,10 +271,10 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn len = maxlen; #endif -#ifdef CONFIG_SPI +#if defined(CONFIG_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) spi_write (addr, alen, buffer, len); #else -#if defined(CFG_EEPROM_X40430) +#if defined(CONFIG_SYS_EEPROM_X40430) /* Get the value of the control register. * Set current address (internal pointer in the x40430) * to 0x1ff. @@ -284,9 +283,9 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn contr_r_addr[1] = 0xff; addr_void[0] = 0; addr_void[1] = addr[1]; -#ifdef CFG_I2C_EEPROM_ADDR - contr_r_addr[0] |= CFG_I2C_EEPROM_ADDR; - addr_void[0] |= CFG_I2C_EEPROM_ADDR; +#ifdef CONFIG_SYS_I2C_EEPROM_ADDR + contr_r_addr[0] |= CONFIG_SYS_I2C_EEPROM_ADDR; + addr_void[0] |= CONFIG_SYS_I2C_EEPROM_ADDR; #endif contr_reg[0] = 0xff; if (i2c_read (contr_r_addr[0], contr_r_addr[1], 1, contr_reg, 1) != 0) { @@ -334,8 +333,8 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn for (i = 0; i < MAX_ACKNOWLEDGE_POLLS; i++) { if (i2c_read (addr_void[0], addr_void[1], 1, contr_reg, 1) == 0) break; /* got ack */ -#if defined(CFG_EEPROM_PAGE_WRITE_DELAY_MS) - udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000); +#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS) + udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); #endif } if (i == MAX_ACKNOWLEDGE_POLLS) { @@ -364,17 +363,17 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn buffer += len; offset += len; -#if defined(CFG_EEPROM_PAGE_WRITE_DELAY_MS) - udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000); +#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS) + udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); #endif } -#if defined(CFG_EEPROM_WREN) +#if defined(CONFIG_SYS_EEPROM_WREN) eeprom_write_enable (dev_addr,0); #endif return rcode; } -#ifndef CONFIG_SPI +#if !defined(CONFIG_SPI) || defined(CONFIG_ENV_EEPROM_IS_ON_I2C) int eeprom_probe (unsigned dev_addr, unsigned offset) { @@ -382,11 +381,11 @@ eeprom_probe (unsigned dev_addr, unsigned offset) /* Probe the chip address */ -#if CFG_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) +#if CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X) chip = offset >> 8; /* block number */ #else chip = offset >> 16; /* block number */ -#endif /* CFG_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ +#endif /* CONFIG_SYS_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */ chip |= dev_addr; /* insert device address */ @@ -397,24 +396,22 @@ eeprom_probe (unsigned dev_addr, unsigned offset) /*----------------------------------------------------------------------- * Set default values */ -#ifndef CFG_I2C_SPEED -#define CFG_I2C_SPEED 50000 -#endif - -#ifndef CFG_I2C_SLAVE -#define CFG_I2C_SLAVE 0xFE +#ifndef CONFIG_SYS_I2C_SPEED +#define CONFIG_SYS_I2C_SPEED 50000 #endif void eeprom_init (void) { -#if defined(CONFIG_SPI) + +#if defined(CONFIG_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) spi_init_f (); #endif #if defined(CONFIG_HARD_I2C) || \ defined(CONFIG_SOFT_I2C) - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); #endif } + /*----------------------------------------------------------------------- */ @@ -422,22 +419,22 @@ void eeprom_init (void) #if defined(CONFIG_CMD_EEPROM) -#ifdef CFG_I2C_MULTI_EEPROMS +#ifdef CONFIG_SYS_I2C_MULTI_EEPROMS U_BOOT_CMD( eeprom, 6, 1, do_eeprom, - "eeprom - EEPROM sub-system\n", + "EEPROM sub-system", "read devaddr addr off cnt\n" "eeprom write devaddr addr off cnt\n" - " - read/write `cnt' bytes from `devaddr` EEPROM at offset `off'\n" + " - read/write `cnt' bytes from `devaddr` EEPROM at offset `off'" ); #else /* One EEPROM */ U_BOOT_CMD( eeprom, 5, 1, do_eeprom, - "eeprom - EEPROM sub-system\n", + "EEPROM sub-system", "read addr off cnt\n" "eeprom write addr off cnt\n" - " - read/write `cnt' bytes at EEPROM offset `off'\n" + " - read/write `cnt' bytes at EEPROM offset `off'" ); -#endif /* CFG_I2C_MULTI_EEPROMS */ +#endif /* CONFIG_SYS_I2C_MULTI_EEPROMS */ #endif