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Diffstat (limited to 'board/freescale/ls1046aqds/ls1046aqds.c')
-rw-r--r--board/freescale/ls1046aqds/ls1046aqds.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
index aac5d9aa84..cabd7ee648 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2016 Freescale Semiconductor, Inc.
+ * Copyright 2019 NXP
*/
#include <common.h>
@@ -269,11 +270,23 @@ u32 get_lpuart_clk(void)
}
#endif
-int select_i2c_ch_pca9547(u8 ch)
+int select_i2c_ch_pca9547(u8 ch, int bus_num)
{
int ret;
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+ ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_PRI,
+ 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find udev for a bus %d\n", __func__,
+ bus_num);
+ return ret;
+ }
+ ret = dm_i2c_write(dev, 0, &ch, 1);
+#else
ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
+#endif
if (ret) {
puts("PCA: failed to select proper channel\n");
return ret;
@@ -288,8 +301,10 @@ int dram_init(void)
* When resuming from deep sleep, the I2C channel may not be
* in the default channel. So, switch to the default channel
* before accessing DDR SPD.
+ *
+ * PCA9547 mount on I2C1 bus
*/
- select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
fsl_initdram();
#if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
defined(CONFIG_SPL_BUILD)
@@ -302,7 +317,7 @@ int dram_init(void)
int i2c_multiplexer_select_vid_channel(u8 channel)
{
- return select_i2c_ch_pca9547(channel);
+ return select_i2c_ch_pca9547(channel, 0);
}
int board_early_init_f(void)
@@ -315,9 +330,11 @@ int board_early_init_f(void)
u8 uart;
#endif
+#ifdef CONFIG_SYS_I2C
#ifdef CONFIG_SYS_I2C_EARLY_INIT
i2c_early_init_f();
#endif
+#endif
fsl_lsch2_early_init_f();
#ifdef CONFIG_HAS_FSL_XHCI_USB
@@ -394,7 +411,7 @@ int misc_init_r(void)
int board_init(void)
{
- select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
#ifdef CONFIG_SYS_FSL_SERDES
config_serdes_mux();