diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/p1_p2_rdb_pc/spl.c | 5 | ||||
| -rw-r--r-- | board/ti/common/board_detect.c | 61 |
2 files changed, 59 insertions, 7 deletions
diff --git a/board/freescale/p1_p2_rdb_pc/spl.c b/board/freescale/p1_p2_rdb_pc/spl.c index 1cf3497..ca7ba57 100644 --- a/board/freescale/p1_p2_rdb_pc/spl.c +++ b/board/freescale/p1_p2_rdb_pc/spl.c @@ -17,11 +17,6 @@ DECLARE_GLOBAL_DATA_PTR; -static const u32 sysclk_tbl[] = { - 66666000, 7499900, 83332500, 8999900, - 99999000, 11111000, 12499800, 13333200 -}; - phys_size_t get_effective_memsize(void) { return CONFIG_SYS_L2_SIZE; diff --git a/board/ti/common/board_detect.c b/board/ti/common/board_detect.c index c55e24e..6fdcb61 100644 --- a/board/ti/common/board_detect.c +++ b/board/ti/common/board_detect.c @@ -10,10 +10,47 @@ #include <common.h> #include <asm/omap_common.h> +#include <dm/uclass.h> #include <i2c.h> #include "board_detect.h" +#if defined(CONFIG_DM_I2C_COMPAT) +/** + * ti_i2c_set_alen - Set chip's i2c address length + * @bus_addr - I2C bus number + * @dev_addr - I2C eeprom id + * @alen - I2C address length in bytes + * + * DM_I2C by default sets the address length to be used to 1. This + * function allows this address length to be changed to match the + * eeprom used for board detection. + */ +int __maybe_unused ti_i2c_set_alen(int bus_addr, int dev_addr, int alen) +{ + struct udevice *dev; + struct udevice *bus; + int rc; + + rc = uclass_get_device_by_seq(UCLASS_I2C, bus_addr, &bus); + if (rc) + return rc; + rc = i2c_get_chip(bus, dev_addr, 1, &dev); + if (rc) + return rc; + rc = i2c_set_chip_offset_len(dev, alen); + if (rc) + return rc; + + return 0; +} +#else +int __maybe_unused ti_i2c_set_alen(int bus_addr, int dev_addr, int alen) +{ + return 0; +} +#endif + /** * ti_i2c_eeprom_init - Initialize an i2c bus and probe for a device * @i2c_bus: i2c bus number to initialize @@ -46,7 +83,17 @@ static int __maybe_unused ti_i2c_eeprom_init(int i2c_bus, int dev_addr) static int __maybe_unused ti_i2c_eeprom_read(int dev_addr, int offset, uchar *ep, int epsize) { - return i2c_read(dev_addr, offset, 2, ep, epsize); + int bus_num, rc, alen; + + bus_num = i2c_get_bus_num(); + + alen = 2; + + rc = ti_i2c_set_alen(bus_num, dev_addr, alen); + if (rc) + return rc; + + return i2c_read(dev_addr, offset, alen, ep, epsize); } /** @@ -88,6 +135,11 @@ static int __maybe_unused ti_i2c_eeprom_get(int bus_addr, int dev_addr, * Read the header first then only read the other contents. */ byte = 2; + + rc = ti_i2c_set_alen(bus_addr, dev_addr, byte); + if (rc) + return rc; + rc = i2c_read(dev_addr, 0x0, byte, (uint8_t *)&hdr_read, 4); if (rc) return rc; @@ -100,9 +152,14 @@ static int __maybe_unused ti_i2c_eeprom_get(int bus_addr, int dev_addr, * 1 byte address (some legacy boards need this..) */ byte = 1; - if (rc) + if (rc) { + rc = ti_i2c_set_alen(bus_addr, dev_addr, byte); + if (rc) + return rc; + rc = i2c_read(dev_addr, 0x0, byte, (uint8_t *)&hdr_read, 4); + } if (rc) return rc; } |