From: Biwen Li Date: Tue, 31 Dec 2019 07:33:41 +0000 (+0800) Subject: dm: arm64: ls1012a: add i2c DM support X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=a0affb367ad638e1e6f51ed3678d3daad5724a40;p=u-boot.git dm: arm64: ls1012a: add i2c DM support This supports i2c DM and enables CONFIG_DM_I2C for SoC LS1012A Signed-off-by: Biwen Li Signed-off-by: Priyanka Jain --- diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index e2b92f0eab..275c66d992 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -16,8 +16,8 @@ config ARCH_LS1012A select ARCH_EARLY_INIT_R select BOARD_EARLY_INIT_F select SYS_I2C_MXC - select SYS_I2C_MXC_I2C1 - select SYS_I2C_MXC_I2C2 + select SYS_I2C_MXC_I2C1 if !DM_I2C + select SYS_I2C_MXC_I2C2 if !DM_I2C imply PANIC_HANG config ARCH_LS1028A diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index acb7ea9a3e..39ffc18e29 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -4,6 +4,7 @@ !defined(CONFIG_ARCH_ROCKCHIP) && !defined(CONFIG_ARCH_LX2160A) && \ !defined(CONFIG_ARCH_LS1028A) && !defined(CONFIG_ARCH_LS2080A) && \ !defined(CONFIG_ARCH_LS1088A) && !defined(CONFIG_ARCH_ASPEED) && \ + !defined(CONFIG_ARCH_LS1012A) && \ !defined(CONFIG_ARCH_U8500) #include #endif diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c index 86c72ee357..30bf1047d5 100644 --- a/board/freescale/ls1012aqds/ls1012aqds.c +++ b/board/freescale/ls1012aqds/ls1012aqds.c @@ -107,10 +107,26 @@ int board_early_init_f(void) int misc_init_r(void) { u8 mux_sdhc_cd = 0x80; - - i2c_set_bus_num(0); + int bus_num = 0; + +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(bus_num, CONFIG_SYS_I2C_FPGA_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return ret; + } + dm_i2c_write(dev, 0x5a, &mux_sdhc_cd, 1); +#else + i2c_set_bus_num(bus_num); i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1); +#endif + return 0; } #endif diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c index 3cc0a65cb9..5edcfcf1ce 100644 --- a/board/freescale/ls1012ardb/eth.c +++ b/board/freescale/ls1012ardb/eth.c @@ -28,12 +28,47 @@ static inline void ls1012ardb_reset_phy(void) { #ifdef CONFIG_TARGET_LS1012ARDB /* Through reset IO expander reset both RGMII and SGMII PHYs */ +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + /* + * The I2C IO-expander PCAL9555A is mouted on I2C1 bus(bus number is 0). + */ + ret = i2c_get_chip_for_busnum(0, I2C_MUX_IO2_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + 0); + return; + } + /* Config port 0 + * - config pin IOXP_RST_ETH1_B and IOXP_RST_ETH2_B + * are enabled as an output. + */ + dm_i2c_reg_write(dev, 6, __PHY_MASK); + + /* + * Set port 0 output a value to reset ETH2 interface + * - pin IOXP_RST_ETH2_B output 0b0 + */ + dm_i2c_reg_write(dev, 2, __PHY_ETH2_MASK); + mdelay(10); + dm_i2c_reg_write(dev, 2, __PHY_ETH1_MASK); + /* + * Set port 0 output a value to reset ETH1 interface + * - pin IOXP_RST_ETH1_B output 0b0 + */ + mdelay(10); + dm_i2c_reg_write(dev, 2, 0xFF); +#else i2c_reg_write(I2C_MUX_IO2_ADDR, 6, __PHY_MASK); i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH2_MASK); mdelay(10); i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH1_MASK); mdelay(10); i2c_reg_write(I2C_MUX_IO2_ADDR, 2, 0xFF); +#endif mdelay(50); #endif } diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c index 0f665c7bc6..ab83ef11a0 100644 --- a/board/freescale/ls1012ardb/ls1012ardb.c +++ b/board/freescale/ls1012ardb/ls1012ardb.c @@ -34,13 +34,27 @@ int checkboard(void) { #ifdef CONFIG_TARGET_LS1012ARDB u8 in1; + int ret, bus_num = 0; puts("Board: LS1012ARDB "); /* Initialize i2c early for Serial flash bank information */ - i2c_set_bus_num(0); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; - if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1) < 0) { + ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return -ENXIO; + } + ret = dm_i2c_read(dev, I2C_MUX_IO_1, &in1, 1); +#else /* Non DM I2C support - will be removed */ + i2c_set_bus_num(bus_num); + ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1); +#endif + if (ret < 0) { printf("Error reading i2c boot information!\n"); return 0; /* Don't want to hang() on this error */ } @@ -175,11 +189,25 @@ int esdhc_status_fixup(void *blob, const char *compat) bool sdhc2_en = false; u8 mux_sdhc2; u8 io = 0; + int ret, bus_num = 0; - i2c_set_bus_num(0); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; + ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return -ENXIO; + } + ret = dm_i2c_read(dev, I2C_MUX_IO_1, &io, 1); +#else + i2c_set_bus_num(bus_num); /* IO1[7:3] is the field of board revision info. */ - if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1) < 0) { + ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1); +#endif + if (ret < 0) { printf("Error reading i2c boot information!\n"); return 0; } @@ -202,7 +230,12 @@ int esdhc_status_fixup(void *blob, const char *compat) * 10 - eMMC Memory * 11 - SPI */ - if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1) < 0) { +#if defined(CONFIG_DM_I2C) + ret = dm_i2c_read(dev, I2C_MUX_IO_0, &io, 1); +#else + ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1); +#endif + if (ret < 0) { printf("Error reading i2c boot information!\n"); return 0; } @@ -233,16 +266,63 @@ int ft_board_setup(void *blob, bd_t *bd) static int switch_to_bank1(void) { - u8 data; - int ret; + u8 data = 0xf4, chip_addr = 0x24, offset_addr = 0x03; + int ret, bus_num = 0; - i2c_set_bus_num(0); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(bus_num, chip_addr, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return -ENXIO; + } + /* + * -------------------------------------------------------------------- + * |bus |I2C address| Device | Notes | + * -------------------------------------------------------------------- + * |I2C1|0x24, 0x25,| IO expander (CFG,| Provides 16bits of General | + * | |0x26 | RESET, and INT/ | Purpose parallel Input/Output| + * | | | KW41GPIO) - NXP | (GPIO) expansion for the | + * | | | PCAL9555AHF | I2C bus | + * ----- -------------------------------------------------------------- + * - mount three IO expander(PCAL9555AHF) on I2C1 + * + * PCAL9555A device address + * slave address + * -------------------------------------- + * | 0 | 1 | 0 | 0 | A2 | A1 | A0 | R/W | + * -------------------------------------- + * | fixed | hardware selectable| + * + * Output port 1(Pinter register bits = 0x03) + * + * P1_[7~0] = 0xf4 + * P1_0 <---> CFG_MUX_QSPI_S0 + * P1_1 <---> CFG_MUX_QSPI_S1 + * CFG_MUX_QSPI_S[1:0] = 0b00 + * + * QSPI chip-select demultiplexer select + * --------------------------------------------------------------------- + * CFG_MUX_QSPI_S1|CFG_MUX_QSPI_S0| Values + * --------------------------------------------------------------------- + * 0 | 0 |CS routed to SPI memory bank1(default) + * --------------------------------------------------------------------- + * 0 | 1 |CS routed to SPI memory bank2 + * --------------------------------------------------------------------- + * + */ + ret = dm_i2c_write(dev, offset_addr, &data, 1); +#else /* Non DM I2C support - will be removed */ + i2c_set_bus_num(bus_num); + ret = i2c_write(chip_addr, offset_addr, 1, &data, 1); +#endif - data = 0xf4; - ret = i2c_write(0x24, 0x3, 1, &data, 1); if (ret) { printf("i2c write error to chip : %u, addr : %u, data : %u\n", - 0x24, 0x3, data); + chip_addr, offset_addr, data); } return ret; @@ -250,25 +330,45 @@ static int switch_to_bank1(void) static int switch_to_bank2(void) { - u8 data; - int ret; + u8 data[2] = {0xfc, 0xf5}, offset_addr[2] = {0x7, 0x3}; + u8 chip_addr = 0x24; + int ret, i, bus_num = 0; - i2c_set_bus_num(0); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; - data = 0xfc; - ret = i2c_write(0x24, 0x7, 1, &data, 1); + ret = i2c_get_chip_for_busnum(bus_num, chip_addr, + 1, &dev); if (ret) { - printf("i2c write error to chip : %u, addr : %u, data : %u\n", - 0x24, 0x7, data); - goto err; + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return -ENXIO; } +#else /* Non DM I2C support - will be removed */ + i2c_set_bus_num(bus_num); +#endif - data = 0xf5; - ret = i2c_write(0x24, 0x3, 1, &data, 1); - if (ret) { - printf("i2c write error to chip : %u, addr : %u, data : %u\n", - 0x24, 0x3, data); + /* + * 1th step: config port 1 + * - the port 1 pin is enabled as an output + * 2th step: output port 1 + * - P1_[7:0] output 0xf5, + * then CFG_MUX_QSPI_S[1:0] equal to 0b01, + * CS routed to SPI memory bank2 + */ + for (i = 0; i < sizeof(data); i++) { +#if defined(CONFIG_DM_I2C) + ret = dm_i2c_write(dev, offset_addr[i], &data[i], 1); +#else /* Non DM I2C support - will be removed */ + ret = i2c_write(chip_addr, offset_addr[i], 1, &data[i], 1); +#endif + if (ret) { + printf("i2c write error to chip : %u, addr : %u, data : %u\n", + chip_addr, offset_addr[i], data[i]); + goto err; + } } + err: return ret; } diff --git a/configs/ls1012a2g5rdb_qspi_defconfig b/configs/ls1012a2g5rdb_qspi_defconfig index be8b2e51ef..dabe2b52d5 100644 --- a/configs/ls1012a2g5rdb_qspi_defconfig +++ b/configs/ls1012a2g5rdb_qspi_defconfig @@ -52,3 +52,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012a2g5rdb_tfa_defconfig b/configs/ls1012a2g5rdb_tfa_defconfig index 0a035a83fa..2a5713b852 100644 --- a/configs/ls1012a2g5rdb_tfa_defconfig +++ b/configs/ls1012a2g5rdb_tfa_defconfig @@ -52,3 +52,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrdm_qspi_defconfig b/configs/ls1012afrdm_qspi_defconfig index 7258d47dfc..e5196defac 100644 --- a/configs/ls1012afrdm_qspi_defconfig +++ b/configs/ls1012afrdm_qspi_defconfig @@ -52,3 +52,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrdm_tfa_defconfig b/configs/ls1012afrdm_tfa_defconfig index 85f87ba238..4b55b0c485 100644 --- a/configs/ls1012afrdm_tfa_defconfig +++ b/configs/ls1012afrdm_tfa_defconfig @@ -52,3 +52,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig b/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig index a3c6fe7d8f..14fdef4ad4 100644 --- a/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig +++ b/configs/ls1012afrwy_qspi_SECURE_BOOT_defconfig @@ -54,3 +54,6 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_RSA_SOFTWARE_EXP=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrwy_qspi_defconfig b/configs/ls1012afrwy_qspi_defconfig index eb732a1964..6ca5599dfa 100644 --- a/configs/ls1012afrwy_qspi_defconfig +++ b/configs/ls1012afrwy_qspi_defconfig @@ -54,3 +54,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig b/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig index 92d85994a3..79e4de9fc0 100644 --- a/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1012afrwy_tfa_SECURE_BOOT_defconfig @@ -55,3 +55,6 @@ CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_CMD_SETEXPR=y CONFIG_RSA_SOFTWARE_EXP=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012afrwy_tfa_defconfig b/configs/ls1012afrwy_tfa_defconfig index ca732c4b48..5f1469e671 100644 --- a/configs/ls1012afrwy_tfa_defconfig +++ b/configs/ls1012afrwy_tfa_defconfig @@ -60,3 +60,6 @@ CONFIG_USB_ETHER_ASIX88179=y CONFIG_USB_HOST_ETHER=y CONFIG_USB_ETHER_RTL8152=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012aqds_qspi_defconfig b/configs/ls1012aqds_qspi_defconfig index 1d6bcc51c4..3708f42e2f 100644 --- a/configs/ls1012aqds_qspi_defconfig +++ b/configs/ls1012aqds_qspi_defconfig @@ -76,3 +76,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig index f525544ccf..ac9e92036c 100644 --- a/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1012aqds_tfa_SECURE_BOOT_defconfig @@ -68,3 +68,6 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_RSA_SOFTWARE_EXP=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012aqds_tfa_defconfig b/configs/ls1012aqds_tfa_defconfig index 656de21adb..b1e3e51754 100644 --- a/configs/ls1012aqds_tfa_defconfig +++ b/configs/ls1012aqds_tfa_defconfig @@ -76,3 +76,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig b/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig index a7d1f959fb..c59d74408d 100644 --- a/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig +++ b/configs/ls1012ardb_qspi_SECURE_BOOT_defconfig @@ -58,3 +58,6 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_RSA_SOFTWARE_EXP=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012ardb_qspi_defconfig b/configs/ls1012ardb_qspi_defconfig index f3fede7b62..8ae63ef73d 100644 --- a/configs/ls1012ardb_qspi_defconfig +++ b/configs/ls1012ardb_qspi_defconfig @@ -60,3 +60,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig index 2ecd507625..19a2e5bfbe 100644 --- a/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1012ardb_tfa_SECURE_BOOT_defconfig @@ -58,3 +58,6 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_RSA_SOFTWARE_EXP=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/configs/ls1012ardb_tfa_defconfig b/configs/ls1012ardb_tfa_defconfig index cb457abc64..b47a47d56b 100644 --- a/configs/ls1012ardb_tfa_defconfig +++ b/configs/ls1012ardb_tfa_defconfig @@ -61,3 +61,6 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y +CONFIG_DM_RTC=y diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h index 2579e2fb37..e9baa2a8b6 100644 --- a/include/configs/ls1012a_common.h +++ b/include/configs/ls1012a_common.h @@ -66,7 +66,12 @@ CONFIG_SYS_SCSI_MAX_LUN) /* I2C */ +#ifndef CONFIG_DM_I2C #define CONFIG_SYS_I2C +#else +#define CONFIG_I2C_SET_DEFAULT_BUS_NUM +#define CONFIG_I2C_DEFAULT_BUS_NUMBER 0 +#endif #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE 1