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cmd: i2c: Fix use sdram sub command with CONFIG_DM_I2C

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sdram sub command of i2c command does not support Drivers Model.
This adds Drivers Model support to sdram sub command.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Nobuhiro Iwamatsu 2017-12-01 14:39:40 +09:00 • committed by Heiko Schocher
parent cab8a27d80
commit 28df8ed07f
1 changed files with 12 additions and 2 deletions
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14
cmd/i2c.c
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@ -1156,7 +1156,10 @@ static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
uint chip;
u_char data[128];
u_char cksum;
int j;
int j, ret;
#ifdef CONFIG_DM_I2C
struct udevice *dev;
#endif
static const char *decode_CAS_DDR2[] = {
" TBD", " 6", " 5", " 4", " 3", " 2", " TBD", " TBD"
@ -1210,7 +1213,14 @@ static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
*/
chip = simple_strtoul (argv[1], NULL, 16);
if (i2c_read (chip, 0, 1, data, sizeof (data)) != 0) {
#ifdef CONFIG_DM_I2C
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret)
ret = dm_i2c_read(dev, 0, data, sizeof(data));
#else
ret = i2c_read(chip, 0, 1, data, sizeof(data));
#endif
if (ret) {
puts ("No SDRAM Serial Presence Detect found.\n");
return 1;
}