Hi Peng, On 01.05.20 16:08, Peng Fan wrote: > There are different parts from one SoC. Take i.MX6ULL for example, > some part might not have ENET, some might have; some might not have > USB, some might have. The information could be got from OCOTP, > to make one image support the different parts, we need runtime > disable linux kernel dts node and uboot driver probe if the > corresponding module not exists in the part. >
I admit I was not convinced when you post it the first time, mainly due to add another blob as database into the code (mx6_fuse_descs). But I needed maybe some timeto think about it... I like the idea to get most features directly from the processor, and yes we can do it via OTP. Reviewed-by : Stefano Babic <[email protected]> Best regards, Stefano > Signed-off-by: Peng Fan <[email protected]> > --- > arch/arm/include/asm/mach-imx/module_fuse.h | 127 +++++++++++ > arch/arm/include/asm/mach-imx/sys_proto.h | 1 + > arch/arm/mach-imx/Kconfig | 7 + > arch/arm/mach-imx/mx6/Makefile | 1 + > arch/arm/mach-imx/mx6/module_fuse.c | 322 > ++++++++++++++++++++++++++++ > 5 files changed, 458 insertions(+) > create mode 100644 arch/arm/include/asm/mach-imx/module_fuse.h > create mode 100644 arch/arm/mach-imx/mx6/module_fuse.c > > diff --git a/arch/arm/include/asm/mach-imx/module_fuse.h > b/arch/arm/include/asm/mach-imx/module_fuse.h > new file mode 100644 > index 0000000000..a46fc3f1f8 > --- /dev/null > +++ b/arch/arm/include/asm/mach-imx/module_fuse.h > @@ -0,0 +1,127 @@ > +/* SPDX-License-Identifier: GPL-2.0+ */ > +/* > + * Copyright 2019 NXP > + */ > + > +#ifndef __MODULE_FUSE_H__ > +#define __MODULE_FUSE_H__ > + > +enum fuse_module_type { > + MODULE_TSC, > + MODULE_ADC1, > + MODULE_ADC2, > + MODULE_SIM1, > + MODULE_SIM2, > + MODULE_FLEXCAN1, > + MODULE_FLEXCAN2, > + MODULE_SPDIF, > + MODULE_EIM, > + MODULE_SD1, > + MODULE_SD2, > + MODULE_SD3, > + MODULE_SD4, > + MODULE_QSPI1, > + MODULE_QSPI2, > + MODULE_GPMI, > + MODULE_APBHDMA, > + MODULE_LCDIF, > + MODULE_PXP, > + MODULE_CSI, > + MODULE_ENET1, > + MODULE_ENET2, > + MODULE_CAAM, > + MODULE_USB_OTG1, > + MODULE_USB_OTG2, > + MODULE_SAI2, > + MODULE_SAI3, > + MODULE_BEE, > + MODULE_UART1, > + MODULE_UART2, > + MODULE_UART3, > + MODULE_UART4, > + MODULE_UART5, > + MODULE_UART6, > + MODULE_UART7, > + MODULE_UART8, > + MODULE_PWM5, > + MODULE_PWM6, > + MODULE_PWM7, > + MODULE_PWM8, > + MODULE_ECSPI1, > + MODULE_ECSPI2, > + MODULE_ECSPI3, > + MODULE_ECSPI4, > + MODULE_ECSPI5, > + MODULE_I2C1, > + MODULE_I2C2, > + MODULE_I2C3, > + MODULE_I2C4, > + MODULE_GPT1, > + MODULE_GPT2, > + MODULE_EPIT1, > + MODULE_EPIT2, > + MODULE_EPDC, > + MODULE_ESAI, > + MODULE_DCP, > + MODULE_DCP_CRYPTO, > +}; > + > +struct fuse_entry_desc { > + enum fuse_module_type module; > + const char *node_path; > + u32 fuse_word_offset; > + u32 fuse_bit_offset; > + u32 status; > +}; > + > +#if !CONFIG_IS_ENABLED(IMX_MODULE_FUSE) > +static inline u32 check_module_fused(enum fuse_module_type module) > +{ > + return 0; > +}; > + > +static inline u32 esdhc_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 ecspi_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 uart_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 usb_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 qspi_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 i2c_fused(ulong base_addr) > +{ > + return 0; > +}; > + > +static inline u32 enet_fused(ulong base_addr) > +{ > + return 0; > +}; > +#else > +u32 check_module_fused(enum fuse_module_type module); > +u32 esdhc_fused(ulong base_addr); > +u32 ecspi_fused(ulong base_addr); > +u32 uart_fused(ulong base_addr); > +u32 usb_fused(ulong base_addr); > +u32 qspi_fused(ulong base_addr); > +u32 i2c_fused(ulong base_addr); > +u32 enet_fused(ulong base_addr); > +#endif > +#endif /* __MODULE_FUSE_H__ */ > diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h > b/arch/arm/include/asm/mach-imx/sys_proto.h > index ba930a2088..48ce4b1e18 100644 > --- a/arch/arm/include/asm/mach-imx/sys_proto.h > +++ b/arch/arm/include/asm/mach-imx/sys_proto.h > @@ -9,6 +9,7 @@ > > #include <asm/io.h> > #include <asm/mach-imx/regs-common.h> > +#include <asm/mach-imx/module_fuse.h> > #include <common.h> > #include "../arch-imx/cpu.h" > > diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig > index 329149900a..396f7c9288 100644 > --- a/arch/arm/mach-imx/Kconfig > +++ b/arch/arm/mach-imx/Kconfig > @@ -27,6 +27,13 @@ config IMX_BOOTAUX > help > bootaux [addr] to boot auxiliary core. > > +config IMX_MODULE_FUSE > + bool "i.MX Module Fuse" > + depends on ARCH_MX6 > + help > + i.MX module fuse to runtime disable some driver, including > + Linux OS device node. > + > config USE_IMXIMG_PLUGIN > bool "Use imximage plugin code" > depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX7ULP > diff --git a/arch/arm/mach-imx/mx6/Makefile b/arch/arm/mach-imx/mx6/Makefile > index 81e2913d14..7ea8f91e4f 100644 > --- a/arch/arm/mach-imx/mx6/Makefile > +++ b/arch/arm/mach-imx/mx6/Makefile > @@ -6,6 +6,7 @@ > # (C) Copyright 2011 Freescale Semiconductor, Inc. > > obj-y := soc.o clock.o > +obj-$(CONFIG_IMX_MODULE_FUSE) += module_fuse.o > obj-$(CONFIG_SPL_BUILD) += ddr.o > obj-$(CONFIG_MP) += mp.o > obj-$(CONFIG_MX6UL_LITESOM) += litesom.o > diff --git a/arch/arm/mach-imx/mx6/module_fuse.c > b/arch/arm/mach-imx/mx6/module_fuse.c > new file mode 100644 > index 0000000000..3e94416065 > --- /dev/null > +++ b/arch/arm/mach-imx/mx6/module_fuse.c > @@ -0,0 +1,322 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright 2019 NXP > + */ > + > +#include <common.h> > +#include <fdt_support.h> > +#include <asm/io.h> > +#include <asm/arch/sys_proto.h> > +#include <asm/arch/imx-regs.h> > +#include <asm/mach-imx/module_fuse.h> > +#include <linux/errno.h> > + > +static struct fuse_entry_desc mx6_fuse_descs[] = { > +#if defined(CONFIG_MX6ULL) > + {MODULE_TSC, "/soc/aips-bus@2000000/tsc@2040000", 0x430, 22}, > + {MODULE_ADC2, "/soc/aips-bus@2100000/adc@219c000", 0x430, 23}, > + {MODULE_EPDC, "/soc/aips-bus@2200000/epdc@228c000", 0x430, 24}, > + {MODULE_ESAI, "/soc/aips-bus@2000000/spba-bus@2000000/esai@2024000", > 0x430, 25}, > + {MODULE_FLEXCAN1, "/soc/aips-bus@2000000/can@2090000", 0x430, 26}, > + {MODULE_FLEXCAN2, "/soc/aips-bus@2000000/can@2094000", 0x430, 27}, > + {MODULE_SPDIF, "/soc/aips-bus@2000000/spba-bus@2000000/spdif@2004000", > 0x440, 2}, > + {MODULE_EIM, "/soc/aips-bus@2100000/weim@21b8000", 0x440, 3}, > + {MODULE_SD1, "/soc/aips-bus@2100000/usdhc@2190000", 0x440, 4}, > + {MODULE_SD2, "/soc/aips-bus@2100000/usdhc@2194000", 0x440, 5}, > + {MODULE_QSPI1, "/soc/aips-bus@2100000/qspi@21e0000", 0x440, 6}, > + {MODULE_GPMI, "/soc/gpmi-nand@1806000", 0x440, 7}, > + {MODULE_APBHDMA, "/soc/dma-apbh@1804000", 0x440, 7}, > + {MODULE_LCDIF, "/soc/aips-bus@2100000/lcdif@21c8000", 0x440, 8}, > + {MODULE_PXP, "/soc/aips-bus@2100000/pxp@21cc000", 0x440, 9}, > + {MODULE_CSI, "/soc/aips-bus@2100000/csi@21c4000", 0x440, 10}, > + {MODULE_ADC1, "/soc/aips-bus@2100000/adc@2198000", 0x440, 11}, > + {MODULE_ENET1, "/soc/aips-bus@2100000/ethernet@2188000", 0x440, 12}, > + {MODULE_ENET2, "/soc/aips-bus@2000000/ethernet@20b4000", 0x440, 13}, > + {MODULE_DCP, "/soc/aips-bus@2200000/dcp@2280000", 0x440, 14}, > + {MODULE_USB_OTG2, "/soc/aips-bus@2100000/usb@2184200", 0x440, 15}, > + {MODULE_SAI2, "/soc/aips-bus@2000000/spba-bus@2000000/sai@202c000", > 0x440, 24}, > + {MODULE_SAI3, "/soc/aips-bus@2000000/spba-bus@2000000/sai@2030000", > 0x440, 24}, > + {MODULE_DCP_CRYPTO, "/soc/aips-bus@2200000/dcp@2280000", 0x440, 25}, > + {MODULE_UART5, "/soc/aips-bus@2100000/serial@21f4000", 0x440, 26}, > + {MODULE_UART6, "/soc/aips-bus@2100000/serial@21fc000", 0x440, 26}, > + {MODULE_UART7, "/soc/aips-bus@2000000/spba-bus@2000000/serial@2018000", > 0x440, 26}, > + {MODULE_UART8, "/soc/aips-bus@2200000/serial@2288000", 0x440, 26}, > + {MODULE_PWM5, "/soc/aips-bus@2000000/pwm@20f0000", 0x440, 27}, > + {MODULE_PWM6, "/soc/aips-bus@2000000/pwm@20f4000", 0x440, 27}, > + {MODULE_PWM7, "/soc/aips-bus@2000000/pwm@20f8000", 0x440, 27}, > + {MODULE_PWM8, "/soc/aips-bus@2000000/pwm@20fc000", 0x440, 27}, > + {MODULE_ECSPI3, "/soc/aips-bus@2000000/spba-bus@2000000/ecspi@2010000", > 0x440, 28}, > + {MODULE_ECSPI4, "/soc/aips-bus@2000000/spba-bus@2000000/ecspi@2014000", > 0x440, 28}, > + {MODULE_I2C3, "/soc/aips-bus@2100000/i2c@21a8000", 0x440, 29}, > + {MODULE_I2C4, "/soc/aips-bus@2100000/i2c@21f8000", 0x440, 29}, > + {MODULE_GPT2, "/soc/aips-bus@2000000/gpt@20e8000", 0x440, 30}, > + {MODULE_EPIT2, "/soc/aips-bus@2000000/epit@20d4000", 0x440, 31}, > + /* Paths for older imx tree: */ > + {MODULE_TSC, "/soc/aips-bus@02000000/tsc@02040000", 0x430, 22}, > + {MODULE_ADC2, "/soc/aips-bus@02100000/adc@0219c000", 0x430, 23}, > + {MODULE_EPDC, "/soc/aips-bus@02200000/epdc@0228c000", 0x430, 24}, > + {MODULE_ESAI, "/soc/aips-bus@02000000/spba-bus@02000000/esai@02024000", > 0x430, 25}, > + {MODULE_FLEXCAN1, "/soc/aips-bus@02000000/can@02090000", 0x430, 26}, > + {MODULE_FLEXCAN2, "/soc/aips-bus@02000000/can@02094000", 0x430, 27}, > + {MODULE_SPDIF, > "/soc/aips-bus@02000000/spba-bus@02000000/spdif@02004000", 0x440, 2}, > + {MODULE_EIM, "/soc/aips-bus@02100000/weim@021b8000", 0x440, 3}, > + {MODULE_SD1, "/soc/aips-bus@02100000/usdhc@02190000", 0x440, 4}, > + {MODULE_SD2, "/soc/aips-bus@02100000/usdhc@02194000", 0x440, 5}, > + {MODULE_QSPI1, "/soc/aips-bus@02100000/qspi@021e0000", 0x440, 6}, > + {MODULE_GPMI, "/soc/gpmi-nand@01806000", 0x440, 7}, > + {MODULE_APBHDMA, "/soc/dma-apbh@01804000", 0x440, 7}, > + {MODULE_LCDIF, "/soc/aips-bus@02100000/lcdif@021c8000", 0x440, 8}, > + {MODULE_PXP, "/soc/aips-bus@02100000/pxp@021cc000", 0x440, 9}, > + {MODULE_CSI, "/soc/aips-bus@02100000/csi@021c4000", 0x440, 10}, > + {MODULE_ADC1, "/soc/aips-bus@02100000/adc@02198000", 0x440, 11}, > + {MODULE_ENET1, "/soc/aips-bus@02100000/ethernet@02188000", 0x440, 12}, > + {MODULE_ENET2, "/soc/aips-bus@02000000/ethernet@020b4000", 0x440, 13}, > + {MODULE_DCP, "/soc/aips-bus@02200000/dcp@02280000", 0x440, 14}, > + {MODULE_USB_OTG2, "/soc/aips-bus@02100000/usb@02184200", 0x440, 15}, > + {MODULE_SAI2, "/soc/aips-bus@02000000/spba-bus@02000000/sai@0202c000", > 0x440, 24}, > + {MODULE_SAI3, "/soc/aips-bus@02000000/spba-bus@02000000/sai@02030000", > 0x440, 24}, > + {MODULE_DCP_CRYPTO, "/soc/aips-bus@02200000/dcp@02280000", 0x440, 25}, > + {MODULE_UART5, "/soc/aips-bus@02100000/serial@021f4000", 0x440, 26}, > + {MODULE_UART6, "/soc/aips-bus@02100000/serial@021fc000", 0x440, 26}, > + {MODULE_UART7, > "/soc/aips-bus@02000000/spba-bus@02000000/serial@02018000", 0x440, 26}, > + {MODULE_UART8, "/soc/aips-bus@02200000/serial@02288000", 0x440, 26}, > + {MODULE_PWM5, "/soc/aips-bus@02000000/pwm@020f0000", 0x440, 27}, > + {MODULE_PWM6, "/soc/aips-bus@02000000/pwm@020f4000", 0x440, 27}, > + {MODULE_PWM7, "/soc/aips-bus@02000000/pwm@020f8000", 0x440, 27}, > + {MODULE_PWM8, "/soc/aips-bus@02000000/pwm@020fc000", 0x440, 27}, > + {MODULE_ECSPI3, > "/soc/aips-bus@02000000/spba-bus@02000000/ecspi@02010000", 0x440, 28}, > + {MODULE_ECSPI4, > "/soc/aips-bus@02000000/spba-bus@02000000/ecspi@02014000", 0x440, 28}, > + {MODULE_I2C3, "/soc/aips-bus@02100000/i2c@021a8000", 0x440, 29}, > + {MODULE_I2C4, "/soc/aips-bus@02100000/i2c@021f8000", 0x440, 29}, > + {MODULE_GPT2, "/soc/aips-bus@02000000/gpt@020e8000", 0x440, 30}, > + {MODULE_EPIT2, "/soc/aips-bus@02000000/epit@020d4000", 0x440, 31}, > +#elif defined(CONFIG_MX6UL) > + {MODULE_TSC, "/soc/aips-bus@2000000/tsc@2040000", 0x430, 22}, > + {MODULE_ADC2, "/soc/aips-bus@2100000/adc@219c000", 0x430, 23}, > + {MODULE_SIM1, "/soc/aips-bus@2100000/sim@218c000", 0x430, 24}, > + {MODULE_SIM2, "/soc/aips-bus@2100000/sim@21b4000", 0x430, 25}, > + {MODULE_FLEXCAN1, "/soc/aips-bus@2000000/can@2090000", 0x430, 26}, > + {MODULE_FLEXCAN2, "/soc/aips-bus@2000000/can@2094000", 0x430, 27}, > + {MODULE_SPDIF, "/soc/aips-bus@2000000/spba-bus@2000000/spdif@2004000", > 0x440, 2}, > + {MODULE_EIM, "/soc/aips-bus@2100000/weim@21b8000", 0x440, 3}, > + {MODULE_SD1, "/soc/aips-bus@2100000/usdhc@2190000", 0x440, 4}, > + {MODULE_SD2, "/soc/aips-bus@2100000/usdhc@2194000", 0x440, 5}, > + {MODULE_QSPI1, "/soc/aips-bus@2100000/qspi@21e0000", 0x440, 6}, > + {MODULE_GPMI, "/soc/gpmi-nand@1806000", 0x440, 7}, > + {MODULE_APBHDMA, "/soc/dma-apbh@1804000", 0x440, 7}, > + {MODULE_LCDIF, "/soc/aips-bus@2100000/lcdif@21c8000", 0x440, 8}, > + {MODULE_PXP, "/soc/aips-bus@2100000/pxp@21cc000", 0x440, 9}, > + {MODULE_CSI, "/soc/aips-bus@2100000/csi@21c4000", 0x440, 10}, > + {MODULE_ADC1, "/soc/aips-bus@2100000/adc@2198000", 0x440, 11}, > + {MODULE_ENET1, "/soc/aips-bus@2100000/ethernet@2188000", 0x440, 12}, > + {MODULE_ENET2, "/soc/aips-bus@2000000/ethernet@20b4000", 0x440, 13}, > + {MODULE_CAAM, "/soc/aips-bus@2100000/caam@2140000", 0x440, 14}, > + {MODULE_USB_OTG2, "/soc/aips-bus@2100000/usb@2184200", 0x440, 15}, > + {MODULE_SAI2, "/soc/aips-bus@2000000/spba-bus@2000000/sai@202c000", > 0x440, 24}, > + {MODULE_SAI3, "/soc/aips-bus@2000000/spba-bus@2000000/sai@2030000", > 0x440, 24}, > + {MODULE_BEE, "/soc/aips-bus@2000000/bee@2044000", 0x440, 25}, > + {MODULE_UART5, "/soc/aips-bus@2100000/serial@21f4000", 0x440, 26}, > + {MODULE_UART6, "/soc/aips-bus@2100000/serial@21fc000", 0x440, 26}, > + {MODULE_UART7, "/soc/aips-bus@2000000/spba-bus@2000000/serial@2018000", > 0x440, 26}, > + {MODULE_UART8, "/soc/aips-bus@2000000/spba-bus@2000000/serial@2024000", > 0x440, 26}, > + {MODULE_PWM5, "/soc/aips-bus@2000000/pwm@20f0000", 0x440, 27}, > + {MODULE_PWM6, "/soc/aips-bus@2000000/pwm@20f4000", 0x440, 27}, > + {MODULE_PWM7, "/soc/aips-bus@2000000/pwm@20f8000", 0x440, 27}, > + {MODULE_PWM8, "/soc/aips-bus@2000000/pwm@20fc000", 0x440, 27}, > + {MODULE_ECSPI3, "/soc/aips-bus@2000000/spba-bus@2000000/ecspi@2010000", > 0x440, 28}, > + {MODULE_ECSPI4, "/soc/aips-bus@2000000/spba-bus@2000000/ecspi@2014000", > 0x440, 28}, > + {MODULE_I2C3, "/soc/aips-bus@2100000/i2c@21a8000", 0x440, 29}, > + {MODULE_I2C4, "/soc/aips-bus@2100000/i2c@21f8000", 0x440, 29}, > + {MODULE_GPT2, "/soc/aips-bus@2000000/gpt@20e8000", 0x440, 30}, > + {MODULE_EPIT2, "/soc/aips-bus@2000000/epit@20d4000", 0x440, 31}, > + /* Paths for older imx tree: */ > + {MODULE_TSC, "/soc/aips-bus@02000000/tsc@02040000", 0x430, 22}, > + {MODULE_ADC2, "/soc/aips-bus@02100000/adc@0219c000", 0x430, 23}, > + {MODULE_SIM1, "/soc/aips-bus@02100000/sim@0218c000", 0x430, 24}, > + {MODULE_SIM2, "/soc/aips-bus@02100000/sim@021b4000", 0x430, 25}, > + {MODULE_FLEXCAN1, "/soc/aips-bus@02000000/can@02090000", 0x430, 26}, > + {MODULE_FLEXCAN2, "/soc/aips-bus@02000000/can@02094000", 0x430, 27}, > + {MODULE_SPDIF, > "/soc/aips-bus@02000000/spba-bus@02000000/spdif@02004000", 0x440, 2}, > + {MODULE_EIM, "/soc/aips-bus@02100000/weim@021b8000", 0x440, 3}, > + {MODULE_SD1, "/soc/aips-bus@02100000/usdhc@02190000", 0x440, 4}, > + {MODULE_SD2, "/soc/aips-bus@02100000/usdhc@02194000", 0x440, 5}, > + {MODULE_QSPI1, "/soc/aips-bus@02100000/qspi@021e0000", 0x440, 6}, > + {MODULE_GPMI, "/soc/gpmi-nand@01806000", 0x440, 7}, > + {MODULE_APBHDMA, "/soc/dma-apbh@01804000", 0x440, 7}, > + {MODULE_LCDIF, "/soc/aips-bus@02100000/lcdif@021c8000", 0x440, 8}, > + {MODULE_PXP, "/soc/aips-bus@02100000/pxp@021cc000", 0x440, 9}, > + {MODULE_CSI, "/soc/aips-bus@02100000/csi@021c4000", 0x440, 10}, > + {MODULE_ADC1, "/soc/aips-bus@02100000/adc@02198000", 0x440, 11}, > + {MODULE_ENET1, "/soc/aips-bus@02100000/ethernet@02188000", 0x440, 12}, > + {MODULE_ENET2, "/soc/aips-bus@02000000/ethernet@020b4000", 0x440, 13}, > + {MODULE_CAAM, "/soc/aips-bus@02100000/caam@2140000", 0x440, 14}, > + {MODULE_USB_OTG2, "/soc/aips-bus@02100000/usb@02184200", 0x440, 15}, > + {MODULE_SAI2, "/soc/aips-bus@02000000/spba-bus@02000000/sai@0202c000", > 0x440, 24}, > + {MODULE_SAI3, "/soc/aips-bus@02000000/spba-bus@02000000/sai@02030000", > 0x440, 24}, > + {MODULE_BEE, "/soc/aips-bus@02000000/bee@02044000", 0x440, 25}, > + {MODULE_UART5, "/soc/aips-bus@02100000/serial@021f4000", 0x440, 26}, > + {MODULE_UART6, "/soc/aips-bus@02100000/serial@021fc000", 0x440, 26}, > + {MODULE_UART7, > "/soc/aips-bus@02000000/spba-bus@02000000/serial@02018000", 0x440, 26}, > + {MODULE_UART8, > "/soc/aips-bus@02000000/spba-bus@02000000/serial@02024000", 0x440, 26}, > + {MODULE_PWM5, "/soc/aips-bus@02000000/pwm@020f0000", 0x440, 27}, > + {MODULE_PWM6, "/soc/aips-bus@02000000/pwm@020f4000", 0x440, 27}, > + {MODULE_PWM7, "/soc/aips-bus@02000000/pwm@020f8000", 0x440, 27}, > + {MODULE_PWM8, "/soc/aips-bus@02000000/pwm@020fc000", 0x440, 27}, > + {MODULE_ECSPI3, > "/soc/aips-bus@02000000/spba-bus@02000000/ecspi@02010000", 0x440, 28}, > + {MODULE_ECSPI4, > "/soc/aips-bus@02000000/spba-bus@02000000/ecspi@02014000", 0x440, 28}, > + {MODULE_I2C3, "/soc/aips-bus@02100000/i2c@021a8000", 0x440, 29}, > + {MODULE_I2C4, "/soc/aips-bus@02100000/i2c@021f8000", 0x440, 29}, > + {MODULE_GPT2, "/soc/aips-bus@02000000/gpt@020e8000", 0x440, 30}, > + {MODULE_EPIT2, "/soc/aips-bus@02000000/epit@020d4000", 0x440, 31}, > +#endif > +}; > + > +u32 check_module_fused(enum fuse_module_type module) > +{ > + u32 i, reg; > + > + for (i = 0; i < ARRAY_SIZE(mx6_fuse_descs); i++) { > + if (mx6_fuse_descs[i].module == module) { > + reg = readl(OCOTP_BASE_ADDR + > + mx6_fuse_descs[i].fuse_word_offset); > + if (reg & BIT(mx6_fuse_descs[i].fuse_bit_offset)) > + return 1; /* disabled */ > + else > + return 0; /* enabled */ > + } > + } > + > + return 0; /* Not has a fuse, always enabled */ > +} > + > +#ifdef CONFIG_OF_SYSTEM_SETUP > +int ft_system_setup(void *blob, bd_t *bd) > +{ > + const char *status = "disabled"; > + u32 i, reg; > + int rc, off; > + > + for (i = 0; i < ARRAY_SIZE(mx6_fuse_descs); i++) { > + reg = readl(OCOTP_BASE_ADDR + > + mx6_fuse_descs[i].fuse_word_offset); > + if (reg & BIT(mx6_fuse_descs[i].fuse_bit_offset)) { > + off = fdt_path_offset(blob, > + mx6_fuse_descs[i].node_path); > + > + if (off < 0) > + continue; /* Not found, skip it */ > +add_status: > + rc = fdt_setprop(blob, nodeoff, "status", status, > + strlen(status) + 1); > + if (rc) { > + if (rc == -FDT_ERR_NOSPACE) { > + rc = fdt_increase_size(blob, 512); > + if (!rc) > + goto add_status; > + } > + printf("Unable to update property %s:%s, > err=%s\n", mx6_fuse_descs[i].node_path, "status", fdt_strerror(rc)); > + } else { > + printf("Modify %s disabled\n", > mx6_fuse_descs[i].node_path); > + } > + } > + } > + > + return 0; > +} > +#endif > + > +u32 esdhc_fused(ulong base_addr) > +{ > + switch (base_addr) { > + case USDHC1_BASE_ADDR: > + return check_module_fused(MODULE_SD1); > + case USDHC2_BASE_ADDR: > + return check_module_fused(MODULE_SD2); > +#ifdef USDHC3_BASE_ADDR > + case USDHC3_BASE_ADDR: > + return check_module_fused(MODULE_SD3); > +#endif > +#ifdef USDHC4_BASE_ADDR > + case USDHC4_BASE_ADDR: > + return check_module_fused(MODULE_SD4); > +#endif > + default: > + return 0; > + } > +} > + > +u32 ecspi_fused(ulong base_addr) > +{ > + switch (base_addr) { > + case ECSPI1_BASE_ADDR: > + return check_module_fused(MODULE_ECSPI1); > + case ECSPI2_BASE_ADDR: > + return check_module_fused(MODULE_ECSPI2); > + case ECSPI3_BASE_ADDR: > + return check_module_fused(MODULE_ECSPI3); > + case ECSPI4_BASE_ADDR: > + return check_module_fused(MODULE_ECSPI4); > +#ifdef ECSPI5_BASE_ADDR > + case ECSPI5_BASE_ADDR: > + return check_module_fused(MODULE_ECSPI5); > +#endif > + default: > + return 0; > + } > +} > + > +u32 usb_fused(ulong base_addr) > +{ > + int i = (base_addr - USB_BASE_ADDR) / 0x200; > + > + return check_module_fused(MODULE_USB_OTG1 + i); > +} > + > +u32 qspi_fused(ulong base_addr) > +{ > + switch (base_addr) { > +#ifdef QSPI1_BASE_ADDR > + case QSPI1_BASE_ADDR: > + return check_module_fused(MODULE_QSPI1); > +#endif > + > +#ifdef QSPI2_BASE_ADDR > + case QSPI2_BASE_ADDR: > + return check_module_fused(MODULE_QSPI2); > +#endif > + default: > + return 0; > + } > +} > + > +u32 i2c_fused(ulong base_addr) > +{ > + switch (base_addr) { > + case I2C1_BASE_ADDR: > + return check_module_fused(MODULE_I2C1); > + case I2C2_BASE_ADDR: > + return check_module_fused(MODULE_I2C2); > + case I2C3_BASE_ADDR: > + return check_module_fused(MODULE_I2C3); > +#ifdef I2C4_BASE_ADDR > + case I2C4_BASE_ADDR: > + return check_module_fused(MODULE_I2C4); > +#endif > + } > + > + return 0; > +} > + > +u32 enet_fused(ulong base_addr) > +{ > + switch (base_addr) { > + case ENET_BASE_ADDR: > + return check_module_fused(MODULE_ENET1); > +#ifdef ENET2_BASE_ADDR > + case ENET2_BASE_ADDR: > + return check_module_fused(MODULE_ENET2); > +#endif > + default: > + return 0; > + } > +} > -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] =====================================================================
