dm: arm: ls1021a: add i2c DM support

[oweals/u-boot.git] / board / freescale / ls1021aqds / ls1021aqds.c

diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index c828dacf9ee455136d04fc126e6519bf9c0c04a2..1ae822e5107b55675386b3fa164526914fbd7ea7 100644 (file)
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -1,10 +1,14 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2014 Freescale Semiconductor, Inc.
+ * Copyright 2019 NXP
  */
 
 #include <common.h>
+#include <clock_legacy.h>
+#include <fdt_support.h>
 #include <i2c.h>
+#include <init.h>
 #include <asm/io.h>
 #include <asm/arch/immap_ls102xa.h>
 #include <asm/arch/clock.h>
@@ -14,7 +18,6 @@
 #include <hwconfig.h>
 #include <mmc.h>
 #include <fsl_csu.h>
-#include <fsl_esdhc.h>
 #include <fsl_ifc.h>
 #include <fsl_sec.h>
 #include <spl.h>
@@ -137,11 +140,23 @@ unsigned long get_board_ddr_clk(void)
        return 66666666;
 }
 
-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;
@@ -156,24 +171,13 @@ 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(0x77) mount on I2C1 bus
         */
-       select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+       select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
        return fsl_initdram();
 }
 
-#ifdef CONFIG_FSL_ESDHC
-struct fsl_esdhc_cfg esdhc_cfg[1] = {
-       {CONFIG_SYS_FSL_ESDHC_ADDR},
-};
-
-int board_mmc_init(bd_t *bis)
-{
-       esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
-
-       return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
-}
-#endif
-
 int board_early_init_f(void)
 {
        struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
@@ -200,10 +204,6 @@ int board_early_init_f(void)
 #ifdef CONFIG_SPL_BUILD
 void board_init_f(ulong dummy)
 {
-       struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
-                                       CONFIG_SYS_CCI400_OFFSET);
-       unsigned int major;
-
 #ifdef CONFIG_NAND_BOOT
        struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
        u32 porsr1, pinctl;
@@ -240,10 +240,7 @@ void board_init_f(ulong dummy)
        i2c_init_all();
 #endif
 
-       major = get_soc_major_rev();
-       if (major == SOC_MAJOR_VER_1_0)
-               out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
-
+       timer_init();
        dram_init();
 
        /* Allow OCRAM access permission as R/W */
@@ -419,24 +416,14 @@ int misc_init_r(void)
 
 int board_init(void)
 {
-       struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
-                                       CONFIG_SYS_CCI400_OFFSET);
-       unsigned int major;
-
 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
        erratum_a010315();
 #endif
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009942
        erratum_a009942_check_cpo();
 #endif
-       major = get_soc_major_rev();
-       if (major == SOC_MAJOR_VER_1_0) {
-               /* Set CCI-400 control override register to
-                * enable barrier transaction */
-               out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
-       }
 
-       select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+       select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
 
 #ifndef CONFIG_SYS_FSL_NO_SERDES
        fsl_serdes_init();
@@ -455,18 +442,6 @@ int board_init(void)
 #if defined(CONFIG_DEEP_SLEEP)
 void board_sleep_prepare(void)
 {
-       struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
-                                               CONFIG_SYS_CCI400_OFFSET);
-       unsigned int major;
-
-       major = get_soc_major_rev();
-       if (major == SOC_MAJOR_VER_1_0) {
-               /* Set CCI-400 control override register to
-                * enable barrier transaction */
-               out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
-       }
-
-
 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
        enable_layerscape_ns_access();
 #endif