Hi Peng, > Hi Lukasz, > > > Subject: Re: [U-Boot] [PATCH 1/4] imx: add module fuse support > > > > Hi Peng, > > > > > 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. > > > > If I understand correctly the concept is interesting to make the > > final binary smaller. > > No. This is to use one image to support multiple parts of a same kind > SoC. So this patch will make the uboot image size larger. > > As described in commit log, some i.MX6UL parts not have enet, some > have Enet,
Is there any markings on the SoC? (like MX6ULXXXXXX) which indicates which SoC has enet and which doesn't have one? > so we need find a method to make the same image could > work on the two parts, that is what this patch does. Ok. Thanks for explanation. > > Thanks, > Peng. > > > > > > > > > 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..6b93f0402e > > > --- /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 !IS_ENABLED(CONFIG_IMX_MODULE_FUSE) > > > +static inline u32 check_module_fused(enum fuse_module_type > > > module) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 esdhc_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 ecspi_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 uart_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 usb_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 qspi_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 i2c_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > + > > > +static inline u32 enet_fused(u32 base_addr) { > > > + return 0; > > > +}; > > > +#else > > > +u32 check_module_fused(enum fuse_module_type module); > > > +u32 esdhc_fused(u32 base_addr); > > > +u32 ecspi_fused(u32 base_addr); > > > +u32 uart_fused(u32 base_addr); > > > +u32 usb_fused(u32 base_addr); > > > +u32 qspi_fused(u32 base_addr); > > > +u32 i2c_fused(u32 base_addr); > > > +u32 enet_fused(u32 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 > > > 79cb4e6dc9..14b016ee99 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 d3942f6b3f..b8625962a6 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..417264b15c > > > --- /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", > > > > I'm wondering if there would be a way to avoid the hardcoded DTS > > patch ("/soc/aips-bus@02000000/epit@020d4000") ? > > > > Maybe, after reading the the OCOTP values this could be found > > dynamically (by using the e.g. i2c@021f8000 string) on the DTS > > already stored in RAM (which is thereafter passed to Linux kernel > > at bootm execution) ? > > > > > 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(u32 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(u32 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(u32 base_addr) > > > +{ > > > + int i = (base_addr - USB_BASE_ADDR) / 0x200; > > > + > > > + return check_module_fused(MODULE_USB_OTG1 + i); } > > > + > > > +u32 qspi_fused(u32 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(u32 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(u32 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; > > > + } > > > +} > > > > > > > > > > Best regards, > > > > Lukasz Majewski > > > > -- > > > > DENX Software Engineering GmbH, Managing Director: Wolfgang > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, > > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: > > [email protected] Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: [email protected]
pgpKYpDOjGngi.pgp
Description: OpenPGP digital signature
_______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
