diff options
Diffstat (limited to 'cmd/eeprom.c')
| -rw-r--r-- | cmd/eeprom.c | 44 |
1 files changed, 13 insertions, 31 deletions
diff --git a/cmd/eeprom.c b/cmd/eeprom.c index efd6f3ac03..cdd65af763 100644 --- a/cmd/eeprom.c +++ b/cmd/eeprom.c @@ -15,7 +15,7 @@ * degradation (typical for EEPROM) is incured for FRAM memory: * * #define CONFIG_SYS_I2C_FRAM - * #undef CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS + * Set CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS to 0 * */ @@ -27,18 +27,6 @@ #include <eeprom_layout.h> #include <linux/delay.h> -#ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED 50000 -#endif - -#ifndef CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS -#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 0 -#endif - -#ifndef CONFIG_SYS_EEPROM_PAGE_WRITE_BITS -#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 8 -#endif - #ifndef I2C_RXTX_LEN #define I2C_RXTX_LEN 128 #endif @@ -46,21 +34,6 @@ #define EEPROM_PAGE_SIZE (1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS) #define EEPROM_PAGE_OFFSET(x) ((x) & (EEPROM_PAGE_SIZE - 1)) -/* - * 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 CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is - * 0x00000nxx for EEPROM address selectors and page number at n. - */ -#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 - #if CONFIG_IS_ENABLED(DM_I2C) static int eeprom_i2c_bus; #endif @@ -75,13 +48,20 @@ void eeprom_init(int bus) /* I2C EEPROM */ #if CONFIG_IS_ENABLED(DM_I2C) eeprom_i2c_bus = bus; -#elif defined(CONFIG_SYS_I2C_LEGACY) +#elif CONFIG_IS_ENABLED(SYS_I2C_LEGACY) if (bus >= 0) i2c_set_bus_num(bus); i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); #endif } +/* + * 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 CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is + * 0x00000nxx for EEPROM address selectors and page number at n. + */ static int eeprom_addr(unsigned dev_addr, unsigned offset, uchar *addr) { unsigned blk_off; @@ -183,8 +163,10 @@ static int eeprom_rw(unsigned dev_addr, unsigned offset, uchar *buffer, buffer += len; offset += len; +#if CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS > 0 if (!read) udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); +#endif } return rcode; @@ -243,10 +225,10 @@ static int parse_i2c_bus_addr(int *i2c_bus, ulong *i2c_addr, int argc, int argc_no_bus = argc_no_bus_addr + 1; int argc_bus_addr = argc_no_bus_addr + 2; -#ifdef CONFIG_SYS_DEF_EEPROM_ADDR +#ifdef CONFIG_SYS_I2C_EEPROM_ADDR if (argc == argc_no_bus_addr) { *i2c_bus = -1; - *i2c_addr = CONFIG_SYS_DEF_EEPROM_ADDR; + *i2c_addr = CONFIG_SYS_I2C_EEPROM_ADDR; return 0; } |