This supports i2c DM and enables CONFIG_DM_I2C for SoC LS1043A
Reviewed-by: Priyanka Jain priyanka.jain@nxp.com Signed-off-by: Biwen Li biwen.li@nxp.com --- Changes in v4: - update copyright
Changes in v3: - none
Changes in v2: - merge some patches to one patch
arch/arm/include/asm/gpio.h | 2 +- board/freescale/ls1043aqds/ls1043aqds.c | 98 +++++++++++++++++-- configs/ls1043aqds_defconfig | 2 + configs/ls1043aqds_lpuart_defconfig | 2 + configs/ls1043aqds_nand_defconfig | 2 + configs/ls1043aqds_nor_ddr3_defconfig | 2 + configs/ls1043aqds_qspi_defconfig | 2 + configs/ls1043aqds_sdcard_ifc_defconfig | 2 + configs/ls1043aqds_sdcard_qspi_defconfig | 2 + configs/ls1043aqds_tfa_SECURE_BOOT_defconfig | 2 + configs/ls1043aqds_tfa_defconfig | 2 + configs/ls1043ardb_SECURE_BOOT_defconfig | 2 + configs/ls1043ardb_defconfig | 2 + configs/ls1043ardb_nand_SECURE_BOOT_defconfig | 2 + configs/ls1043ardb_nand_defconfig | 2 + .../ls1043ardb_sdcard_SECURE_BOOT_defconfig | 2 + configs/ls1043ardb_sdcard_defconfig | 2 + configs/ls1043ardb_tfa_SECURE_BOOT_defconfig | 2 + configs/ls1043ardb_tfa_defconfig | 2 + include/configs/ls1043a_common.h | 6 ++ 20 files changed, 133 insertions(+), 7 deletions(-)
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index 9f8c9da564..45cb04801c 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -3,7 +3,7 @@ !defined(CONFIG_ARCH_BCM63158) && !defined(CONFIG_ARCH_ROCKCHIP) && \ !defined(CONFIG_ARCH_LX2160A) && !defined(CONFIG_ARCH_LS1028A) && \ !defined(CONFIG_ARCH_LS2080A) && !defined(CONFIG_ARCH_LS1088A) && \ - !defined(CONFIG_ARCH_LS1012A) && \ + !defined(CONFIG_ARCH_LS1012A) && !defined(CONFIG_ARCH_LS1043A) && \ !defined(CONFIG_ARCH_ASPEED) #include <asm/arch/gpio.h> #endif diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c index 8c96b962b7..2d4b18cdbc 100644 --- a/board/freescale/ls1043aqds/ls1043aqds.c +++ b/board/freescale/ls1043aqds/ls1043aqds.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2015 Freescale Semiconductor, Inc. + * Copyright 2019 NXP */
#include <common.h> @@ -271,11 +272,24 @@ 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; @@ -290,8 +304,10 @@ 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) @@ -304,16 +320,83 @@ 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); }
void board_retimer_init(void) { u8 reg; + int bus_num = 0;
/* Retimer is connected to I2C1_CH7_CH5 */ - select_i2c_ch_pca9547(I2C_MUX_CH7); + select_i2c_ch_pca9547(I2C_MUX_CH7, bus_num); reg = I2C_MUX_CH5; +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_SEC, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return; + } + dm_i2c_write(dev, 0, ®, 1); + + /* Access to Control/Shared register */ + ret = i2c_get_chip_for_busnum(bus_num, I2C_RETIMER_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return; + } + + reg = 0x0; + dm_i2c_write(dev, 0xff, ®, 1); + + /* Read device revision and ID */ + dm_i2c_read(dev, 1, ®, 1); + debug("Retimer version id = 0x%x\n", reg); + + /* Enable Broadcast. All writes target all channel register sets */ + reg = 0x0c; + dm_i2c_write(dev, 0xff, ®, 1); + + /* Reset Channel Registers */ + dm_i2c_read(dev, 0, ®, 1); + reg |= 0x4; + dm_i2c_write(dev, 0, ®, 1); + + /* Enable override divider select and Enable Override Output Mux */ + dm_i2c_read(dev, 9, ®, 1); + reg |= 0x24; + dm_i2c_write(dev, 9, ®, 1); + + /* Select VCO Divider to full rate (000) */ + dm_i2c_read(dev, 0x18, ®, 1); + reg &= 0x8f; + dm_i2c_write(dev, 0x18, ®, 1); + + /* Selects active PFD MUX Input as Re-timed Data (001) */ + dm_i2c_read(dev, 0x1e, ®, 1); + reg &= 0x3f; + reg |= 0x20; + dm_i2c_write(dev, 0x1e, ®, 1); + + /* Set data rate as 10.3125 Gbps */ + reg = 0x0; + dm_i2c_write(dev, 0x60, ®, 1); + reg = 0xb2; + dm_i2c_write(dev, 0x61, ®, 1); + reg = 0x90; + dm_i2c_write(dev, 0x62, ®, 1); + reg = 0xb3; + dm_i2c_write(dev, 0x63, ®, 1); + reg = 0xcd; + dm_i2c_write(dev, 0x64, ®, 1); +#else i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, ®, 1);
/* Access to Control/Shared register */ @@ -360,9 +443,10 @@ void board_retimer_init(void) i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1); reg = 0xcd; i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1); +#endif
/* Return the default channel */ - select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, bus_num); }
int board_early_init_f(void) @@ -375,8 +459,10 @@ 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();
@@ -457,7 +543,7 @@ int board_init(void) erratum_a010315(); #endif
- select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); board_retimer_init();
#ifdef CONFIG_SYS_FSL_SERDES diff --git a/configs/ls1043aqds_defconfig b/configs/ls1043aqds_defconfig index 038ade20bc..d73257e14a 100644 --- a/configs/ls1043aqds_defconfig +++ b/configs/ls1043aqds_defconfig @@ -62,3 +62,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_lpuart_defconfig b/configs/ls1043aqds_lpuart_defconfig index e8a750eaa9..c93c6bf825 100644 --- a/configs/ls1043aqds_lpuart_defconfig +++ b/configs/ls1043aqds_lpuart_defconfig @@ -64,3 +64,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_nand_defconfig b/configs/ls1043aqds_nand_defconfig index 8eb80dc53a..962b988922 100644 --- a/configs/ls1043aqds_nand_defconfig +++ b/configs/ls1043aqds_nand_defconfig @@ -77,3 +77,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_nor_ddr3_defconfig b/configs/ls1043aqds_nor_ddr3_defconfig index 4a4834b001..e55a4de812 100644 --- a/configs/ls1043aqds_nor_ddr3_defconfig +++ b/configs/ls1043aqds_nor_ddr3_defconfig @@ -63,3 +63,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_qspi_defconfig b/configs/ls1043aqds_qspi_defconfig index 36e6f4cce4..40bb217316 100644 --- a/configs/ls1043aqds_qspi_defconfig +++ b/configs/ls1043aqds_qspi_defconfig @@ -58,3 +58,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_sdcard_ifc_defconfig b/configs/ls1043aqds_sdcard_ifc_defconfig index 7d70c4613a..61ec5f06d4 100644 --- a/configs/ls1043aqds_sdcard_ifc_defconfig +++ b/configs/ls1043aqds_sdcard_ifc_defconfig @@ -78,3 +78,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_sdcard_qspi_defconfig b/configs/ls1043aqds_sdcard_qspi_defconfig index 3ee00a87eb..1d339acecb 100644 --- a/configs/ls1043aqds_sdcard_qspi_defconfig +++ b/configs/ls1043aqds_sdcard_qspi_defconfig @@ -71,3 +71,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1043aqds_tfa_SECURE_BOOT_defconfig index 0ece698350..b7335bcd33 100644 --- a/configs/ls1043aqds_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1043aqds_tfa_SECURE_BOOT_defconfig @@ -63,3 +63,5 @@ CONFIG_RSA=y CONFIG_SPL_RSA=y CONFIG_RSA_SOFTWARE_EXP=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043aqds_tfa_defconfig b/configs/ls1043aqds_tfa_defconfig index 4c757e28db..49783cea0d 100644 --- a/configs/ls1043aqds_tfa_defconfig +++ b/configs/ls1043aqds_tfa_defconfig @@ -71,3 +71,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_SECURE_BOOT_defconfig b/configs/ls1043ardb_SECURE_BOOT_defconfig index 4d12b9b9b8..2bfef956ef 100644 --- a/configs/ls1043ardb_SECURE_BOOT_defconfig +++ b/configs/ls1043ardb_SECURE_BOOT_defconfig @@ -55,3 +55,5 @@ CONFIG_RSA=y CONFIG_SPL_RSA=y CONFIG_RSA_SOFTWARE_EXP=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_defconfig b/configs/ls1043ardb_defconfig index 7a03dbcd40..a31927ace3 100644 --- a/configs/ls1043ardb_defconfig +++ b/configs/ls1043ardb_defconfig @@ -55,3 +55,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_nand_SECURE_BOOT_defconfig b/configs/ls1043ardb_nand_SECURE_BOOT_defconfig index 3f5af36725..4599b3eb00 100644 --- a/configs/ls1043ardb_nand_SECURE_BOOT_defconfig +++ b/configs/ls1043ardb_nand_SECURE_BOOT_defconfig @@ -74,3 +74,5 @@ CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_SPL_RSA=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_nand_defconfig b/configs/ls1043ardb_nand_defconfig index 973bda9b6e..f243a1d6ab 100644 --- a/configs/ls1043ardb_nand_defconfig +++ b/configs/ls1043ardb_nand_defconfig @@ -73,3 +73,5 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y # CONFIG_SPL_USE_TINY_PRINTF is not set CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig b/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig index efcf1698a3..753175fee9 100644 --- a/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig +++ b/configs/ls1043ardb_sdcard_SECURE_BOOT_defconfig @@ -73,3 +73,5 @@ CONFIG_USB_XHCI_DWC3=y CONFIG_RSA=y CONFIG_SPL_RSA=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_sdcard_defconfig b/configs/ls1043ardb_sdcard_defconfig index 81b01318b2..ac2938debe 100644 --- a/configs/ls1043ardb_sdcard_defconfig +++ b/configs/ls1043ardb_sdcard_defconfig @@ -72,3 +72,5 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y # CONFIG_SPL_USE_TINY_PRINTF is not set CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1043ardb_tfa_SECURE_BOOT_defconfig index 94ca502f3b..36eb0fcff7 100644 --- a/configs/ls1043ardb_tfa_SECURE_BOOT_defconfig +++ b/configs/ls1043ardb_tfa_SECURE_BOOT_defconfig @@ -56,3 +56,5 @@ CONFIG_RSA=y CONFIG_SPL_RSA=y CONFIG_RSA_SOFTWARE_EXP=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/configs/ls1043ardb_tfa_defconfig b/configs/ls1043ardb_tfa_defconfig index 342b14681a..f7dbf8c561 100644 --- a/configs/ls1043ardb_tfa_defconfig +++ b/configs/ls1043ardb_tfa_defconfig @@ -59,3 +59,5 @@ CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_EFI_LOADER_BOUNCE_BUFFER=y +CONFIG_DM_I2C=y +CONFIG_DM_GPIO=y diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h index bf24d4036d..63a6ef6ff1 100644 --- a/include/configs/ls1043a_common.h +++ b/include/configs/ls1043a_common.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2015 Freescale Semiconductor + * Copyright (C) 2019 NXP */
#ifndef __LS1043A_COMMON_H @@ -141,7 +142,12 @@ #endif
/* 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
/* PCIe */ #ifndef SPL_NO_PCIE