From: Biwen Li biwen.li@nxp.com
This supports i2c DM for SoC P1010
Signed-off-by: Biwen Li biwen.li@nxp.com --- board/freescale/p1010rdb/p1010rdb.c | 159 +++++++++++++++++++++++++++- include/configs/P1010RDB.h | 8 +- 2 files changed, 164 insertions(+), 3 deletions(-)
diff --git a/board/freescale/p1010rdb/p1010rdb.c b/board/freescale/p1010rdb/p1010rdb.c index a086692683..f49e679d01 100644 --- a/board/freescale/p1010rdb/p1010rdb.c +++ b/board/freescale/p1010rdb/p1010rdb.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2010-2011 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */
#include <common.h> @@ -136,6 +137,125 @@ int config_board_mux(int ctrl_type) ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); u8 tmp;
+#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; +#if defined(CONFIG_TARGET_P1010RDB_PA) + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR1, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + I2C_PCA9557_BUS_NUM); + return ret; + } + switch (ctrl_type) { + case MUX_TYPE_IFC: + tmp = 0xf0; + dm_i2c_write(dev, 3, &tmp, 1); + tmp = 0x01; + dm_i2c_write(dev, 1, &tmp, 1); + sd_ifc_mux = MUX_TYPE_IFC; + clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); + break; + case MUX_TYPE_SDHC: + tmp = 0xf0; + dm_i2c_write(dev, 3, &tmp, 1); + tmp = 0x05; + dm_i2c_write(dev, 1, &tmp, 1); + sd_ifc_mux = MUX_TYPE_SDHC; + clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, + PMUXCR1_SDHC_ENABLE); + break; + case MUX_TYPE_SPIFLASH: + out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH); + break; + case MUX_TYPE_TDM: + out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM); + out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC); + break; + case MUX_TYPE_CAN: + out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART); + break; + default: + break; + } +#elif defined(CONFIG_TARGET_P1010RDB_PB) + ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR2, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + I2C_PCA9557_BUS_NUM); + return ret; + } + switch (ctrl_type) { + case MUX_TYPE_IFC: + dm_i2c_read(dev, 0, &tmp, 1); + clrbits_8(&tmp, 0x04); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x04); + dm_i2c_write(dev, 3, &tmp, 1); + sd_ifc_mux = MUX_TYPE_IFC; + clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); + break; + case MUX_TYPE_SDHC: + dm_i2c_read(dev, 0, &tmp, 1); + setbits_8(&tmp, 0x04); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x04); + dm_i2c_write(dev, 3, &tmp, 1); + sd_ifc_mux = MUX_TYPE_SDHC; + clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, + PMUXCR1_SDHC_ENABLE); + break; + case MUX_TYPE_SPIFLASH: + dm_i2c_read(dev, 0, &tmp, 1); + clrbits_8(&tmp, 0x80); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x80); + dm_i2c_write(dev, 3, &tmp, 1); + break; + case MUX_TYPE_TDM: + dm_i2c_read(dev, 0, &tmp, 1); + setbits_8(&tmp, 0x82); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x82); + dm_i2c_write(dev, 3, &tmp, 1); + break; + case MUX_TYPE_CAN: + dm_i2c_read(dev, 0, &tmp, 1); + clrbits_8(&tmp, 0x02); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x02); + dm_i2c_write(dev, 3, &tmp, 1); + break; + case MUX_TYPE_CS0_NOR: + dm_i2c_read(dev, 0, &tmp, 1); + clrbits_8(&tmp, 0x08); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x08); + dm_i2c_write(dev, 3, &tmp, 1); + break; + case MUX_TYPE_CS0_NAND: + dm_i2c_read(dev, 0, &tmp, 1); + setbits_8(&tmp, 0x08); + dm_i2c_write(dev, 1, &tmp, 1); + dm_i2c_read(dev, 3, &tmp, 1); + clrbits_8(&tmp, 0x08); + dm_i2c_write(dev, 3, &tmp, 1); + break; + default: + break; + } +#endif +#else #if defined(CONFIG_TARGET_P1010RDB_PA) struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
@@ -242,6 +362,7 @@ int config_board_mux(int ctrl_type) break; } i2c_set_bus_num(orig_bus); +#endif #endif return 0; } @@ -250,9 +371,24 @@ int config_board_mux(int ctrl_type) int i2c_pca9557_read(int type) { u8 val; - - i2c_set_bus_num(I2C_PCA9557_BUS_NUM); + int bus_num = I2C_PCA9557_BUS_NUM; + +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(bus_num, I2C_PCA9557_ADDR2, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return ret; + } + dm_i2c_read(dev, 0, &val, 1); +#else + i2c_set_bus_num(bus_num); i2c_read(I2C_PCA9557_ADDR2, 0, 1, &val, 1); +#endif
switch (type) { case I2C_READ_BANK: @@ -280,11 +416,26 @@ int checkboard(void) printf("Board: %sRDB-PA, ", cpu->name); #elif defined(CONFIG_TARGET_P1010RDB_PB) printf("Board: %sRDB-PB, ", cpu->name); +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR2, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + I2C_PCA9557_BUS_NUM); + return ret; + } + val = 0x0; /* no polarity inversion */ + dm_i2c_write(dev, 2, &val, 1); +#else i2c_set_bus_num(I2C_PCA9557_BUS_NUM); i2c_init(CONFIG_SYS_FSL_I2C_SPEED, CONFIG_SYS_FSL_I2C_SLAVE); val = 0x0; /* no polarity inversion */ i2c_write(I2C_PCA9557_ADDR2, 2, 1, &val, 1); #endif +#endif
#ifdef CONFIG_SDCARD /* switch to IFC to read info from CPLD */ @@ -308,7 +459,11 @@ int checkboard(void) case 0xe: puts("SDHC\n"); val = 0x60; /* set pca9557 pin input/output */ +#ifdef CONFIG_DM_I2C + dm_i2c_write(dev, 3, &val, 1); +#else i2c_write(I2C_PCA9557_ADDR2, 3, 1, &val, 1); +#endif break; case 0x5: config_board_mux(MUX_TYPE_IFC); diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h index 60e8904d42..41dbbedecc 100644 --- a/include/configs/P1010RDB.h +++ b/include/configs/P1010RDB.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2010-2011 Freescale Semiconductor, Inc. + * Copyright 2020 NXP */
/* @@ -522,17 +523,22 @@ extern unsigned long get_sdram_size(void); #define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_CCSRBAR+0x4600)
/* I2C */ +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C -#define CONFIG_SYS_I2C_FSL #define CONFIG_SYS_FSL_I2C_SPEED 400000 #define CONFIG_SYS_FSL_I2C_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C_OFFSET 0x3000 #define CONFIG_SYS_FSL_I2C2_SPEED 400000 #define CONFIG_SYS_FSL_I2C2_SLAVE 0x7F #define CONFIG_SYS_FSL_I2C2_OFFSET 0x3100 +#else +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM +#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0 +#endif #define I2C_PCA9557_ADDR1 0x18 #define I2C_PCA9557_ADDR2 0x19 #define I2C_PCA9557_BUS_NUM 0 +#define CONFIG_SYS_I2C_FSL
/* I2C EEPROM */ #if defined(CONFIG_TARGET_P1010RDB_PB)