diff options
| author | Tom Rini <trini@konsulko.com> | 2019-08-22 07:29:54 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-08-22 07:29:54 -0400 |
| commit | c399dca83434290ac502207f2d6db13c59d89267 (patch) | |
| tree | 0e6ed8aa92f4586ca42b167d55e1c315d6cd2a58 /drivers/ddr/fsl/main.c | |
| parent | 1e60ccd94318fb86610e1e28512b2aaac5f4b069 (diff) | |
| parent | b249fcba00e093149f8424492da155572f12d7bb (diff) | |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq
- i2c dm model support of lx2160a, ls1088a, lx2088a, ls1028a
- icid setup for ls1028a, ls1088a
- other small fixes
Diffstat (limited to 'drivers/ddr/fsl/main.c')
| -rw-r--r-- | drivers/ddr/fsl/main.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c index e1f69a1d25c..ac0783b428e 100644 --- a/drivers/ddr/fsl/main.c +++ b/drivers/ddr/fsl/main.c @@ -92,7 +92,10 @@ static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address) uint8_t dummy = 0; #endif +#ifndef CONFIG_DM_I2C i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM); +#endif + #ifdef CONFIG_SYS_FSL_DDR4 /* @@ -101,6 +104,7 @@ static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address) * To access the upper 256 bytes, we need to set EE page address to 1 * See Jedec standar No. 21-C for detail */ +#ifndef CONFIG_DM_I2C i2c_write(SPD_SPA0_ADDRESS, 0, 1, &dummy, 1); ret = i2c_read(i2c_address, 0, 1, (uchar *)spd, 256); if (!ret) { @@ -111,8 +115,38 @@ static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address) (int)sizeof(generic_spd_eeprom_t) - 256)); } #else + struct udevice *dev; + int read_len = min(256, (int)sizeof(generic_spd_eeprom_t) - 256); + + ret = i2c_get_chip_for_busnum(0, SPD_SPA0_ADDRESS, 1, &dev); + if (!ret) + dm_i2c_write(dev, 0, &dummy, 1); + ret = i2c_get_chip_for_busnum(0, i2c_address, 1, &dev); + if (!ret) { + if (!dm_i2c_read(dev, 0, (uchar *)spd, 256)) { + if (!i2c_get_chip_for_busnum(0, SPD_SPA1_ADDRESS, + 1, &dev)) + dm_i2c_write(dev, 0, &dummy, 1); + if (!i2c_get_chip_for_busnum(0, i2c_address, 1, &dev)) + ret = dm_i2c_read(dev, 0, + (uchar *)((ulong)spd + 256), + read_len); + } + } +#endif + +#else + +#ifndef CONFIG_DM_I2C ret = i2c_read(i2c_address, 0, 1, (uchar *)spd, - sizeof(generic_spd_eeprom_t)); + sizeof(generic_spd_eeprom_t)); +#else + ret = i2c_get_chip_for_busnum(0, i2c_address, 1, &dev); + if (!ret) + ret = dm_i2c_read(dev, 0, (uchar *)spd, + sizeof(generic_spd_eeprom_t)); +#endif + #endif if (ret) { |