diff options
author | Biwen Li <biwen.li@nxp.com> | 2020-05-01 20:04:13 +0800 |
---|---|---|
committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-05-04 09:12:36 +0530 |
commit | 2703e640d218d9bf297bd9ad9ccdd10e8bd2ce56 (patch) | |
tree | 6473055a7b5cccb74cdbff957d1abc77da379a37 /board | |
parent | fe138b8a3f9eeac7487bb0761313fafc55ec3c29 (diff) |
dm: ppc: p1010: add i2c DM support
This supports i2c DM for SoC P1010
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board')
-rw-r--r-- | board/freescale/p1010rdb/p1010rdb.c | 156 |
1 files changed, 155 insertions, 1 deletions
diff --git a/board/freescale/p1010rdb/p1010rdb.c b/board/freescale/p1010rdb/p1010rdb.c index a0866926832..65ac47263ec 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); @@ -243,6 +363,7 @@ int config_board_mux(int ctrl_type) } i2c_set_bus_num(orig_bus); #endif +#endif return 0; } @@ -250,9 +371,23 @@ int config_board_mux(int ctrl_type) int i2c_pca9557_read(int type) { u8 val; + int bus_num = I2C_PCA9557_BUS_NUM; - i2c_set_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 +415,26 @@ 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 +458,11 @@ 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); |