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arm: mvebu: axp: ddr: Switch to using DM I2C API

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No functional change intended. This patch switches from the legacy I2C
API to the DM I2C API, so that this code can be used with DM I2C
enabled.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2021-11-18 09:19:38 +01:00
parent 622882893d
commit 0cbd3d8121
3 changed files with 26 additions and 8 deletions
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16
drivers/ddr/marvell/axp/ddr3_spd.c
View file

@ -209,13 +209,19 @@ static u32 ddr3_get_dimm_num(u32 *dimm_addr)
/* Read the dimm eeprom */
for (dimm_cur_addr = MAX_DIMM_ADDR; dimm_cur_addr > MIN_DIMM_ADDR;
dimm_cur_addr--) {
struct udevice *udev;
data[SPD_DEV_TYPE_BYTE] = 0;
/* Far-End DIMM must be connected */
if ((dimm_num == 0) && (dimm_cur_addr < FAR_END_DIMM_ADDR))
return 0;
ret = i2c_read(dimm_cur_addr, 0, 1, (uchar *)data, 3);
ret = i2c_get_chip_for_busnum(0, dimm_cur_addr, 1, &udev);
if (ret)
continue;
ret = dm_i2c_read(udev, 0, data, 3);
if (!ret) {
if (data[SPD_DEV_TYPE_BYTE] == SPD_MEM_TYPE_DDR3) {
dimm_addr[dimm_num] = dimm_cur_addr;
@ -245,9 +251,15 @@ int ddr3_spd_init(MV_DIMM_INFO *info, u32 dimm_addr, u32 dimm_width)
__maybe_unused u8 vendor_high, vendor_low;
if (dimm_addr != 0) {
struct udevice *udev;
memset(spd_data, 0, SPD_SIZE * sizeof(u8));
ret = i2c_read(dimm_addr, 0, 1, (uchar *)spd_data, SPD_SIZE);
ret = i2c_get_chip_for_busnum(0, dimm_addr, 1, &udev);
if (ret)
return MV_DDR3_TRAINING_ERR_TWSI_FAIL;
ret = dm_i2c_read(udev, 0, spd_data, SPD_SIZE);
if (ret)
return MV_DDR3_TRAINING_ERR_TWSI_FAIL;
}