[PATCH V2 resend 1/4] imx: add module fuse support
Peng Fan
peng.fan at nxp.com
Mon May 4 01:57:48 CEST 2020
Hi Stefano,
> Subject: Re: [PATCH V2 resend 1/4] imx: add module fuse support
>
> 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.
This it to use one software to support one kind of SoC, such as i.MX6UL.
I thought to add into device tree using nvmem, but it is not flexible.
Thanks,
Peng.
>
> Reviewed-by : Stefano Babic <sbabic at denx.de>
>
> Best regards,
> Stefano
>
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> > ---
> > 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 at 2000000/tsc at 2040000", 0x430, 22},
> > + {MODULE_ADC2, "/soc/aips-bus at 2100000/adc at 219c000", 0x430, 23},
> > + {MODULE_EPDC, "/soc/aips-bus at 2200000/epdc at 228c000", 0x430,
> 24},
> > + {MODULE_ESAI,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/esai at 2024000", 0x430, 25},
> > + {MODULE_FLEXCAN1, "/soc/aips-bus at 2000000/can at 2090000", 0x430,
> 26},
> > + {MODULE_FLEXCAN2, "/soc/aips-bus at 2000000/can at 2094000", 0x430,
> 27},
> > + {MODULE_SPDIF,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/spdif at 2004000", 0x440, 2},
> > + {MODULE_EIM, "/soc/aips-bus at 2100000/weim at 21b8000", 0x440, 3},
> > + {MODULE_SD1, "/soc/aips-bus at 2100000/usdhc at 2190000", 0x440, 4},
> > + {MODULE_SD2, "/soc/aips-bus at 2100000/usdhc at 2194000", 0x440, 5},
> > + {MODULE_QSPI1, "/soc/aips-bus at 2100000/qspi at 21e0000", 0x440, 6},
> > + {MODULE_GPMI, "/soc/gpmi-nand at 1806000", 0x440, 7},
> > + {MODULE_APBHDMA, "/soc/dma-apbh at 1804000", 0x440, 7},
> > + {MODULE_LCDIF, "/soc/aips-bus at 2100000/lcdif at 21c8000", 0x440, 8},
> > + {MODULE_PXP, "/soc/aips-bus at 2100000/pxp at 21cc000", 0x440, 9},
> > + {MODULE_CSI, "/soc/aips-bus at 2100000/csi at 21c4000", 0x440, 10},
> > + {MODULE_ADC1, "/soc/aips-bus at 2100000/adc at 2198000", 0x440, 11},
> > + {MODULE_ENET1, "/soc/aips-bus at 2100000/ethernet at 2188000",
> 0x440, 12},
> > + {MODULE_ENET2, "/soc/aips-bus at 2000000/ethernet at 20b4000",
> 0x440, 13},
> > + {MODULE_DCP, "/soc/aips-bus at 2200000/dcp at 2280000", 0x440, 14},
> > + {MODULE_USB_OTG2, "/soc/aips-bus at 2100000/usb at 2184200", 0x440,
> 15},
> > + {MODULE_SAI2,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/sai at 202c000", 0x440, 24},
> > + {MODULE_SAI3,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/sai at 2030000", 0x440, 24},
> > + {MODULE_DCP_CRYPTO, "/soc/aips-bus at 2200000/dcp at 2280000",
> 0x440, 25},
> > + {MODULE_UART5, "/soc/aips-bus at 2100000/serial at 21f4000", 0x440,
> 26},
> > + {MODULE_UART6, "/soc/aips-bus at 2100000/serial at 21fc000", 0x440,
> 26},
> > + {MODULE_UART7,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/serial at 2018000", 0x440, 26},
> > + {MODULE_UART8, "/soc/aips-bus at 2200000/serial at 2288000", 0x440,
> 26},
> > + {MODULE_PWM5, "/soc/aips-bus at 2000000/pwm at 20f0000", 0x440,
> 27},
> > + {MODULE_PWM6, "/soc/aips-bus at 2000000/pwm at 20f4000", 0x440,
> 27},
> > + {MODULE_PWM7, "/soc/aips-bus at 2000000/pwm at 20f8000", 0x440,
> 27},
> > + {MODULE_PWM8, "/soc/aips-bus at 2000000/pwm at 20fc000", 0x440,
> 27},
> > + {MODULE_ECSPI3,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/ecspi at 2010000", 0x440, 28},
> > + {MODULE_ECSPI4,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/ecspi at 2014000", 0x440, 28},
> > + {MODULE_I2C3, "/soc/aips-bus at 2100000/i2c at 21a8000", 0x440, 29},
> > + {MODULE_I2C4, "/soc/aips-bus at 2100000/i2c at 21f8000", 0x440, 29},
> > + {MODULE_GPT2, "/soc/aips-bus at 2000000/gpt at 20e8000", 0x440, 30},
> > + {MODULE_EPIT2, "/soc/aips-bus at 2000000/epit at 20d4000", 0x440, 31},
> > + /* Paths for older imx tree: */
> > + {MODULE_TSC, "/soc/aips-bus at 02000000/tsc at 02040000", 0x430, 22},
> > + {MODULE_ADC2, "/soc/aips-bus at 02100000/adc at 0219c000", 0x430,
> 23},
> > + {MODULE_EPDC, "/soc/aips-bus at 02200000/epdc at 0228c000", 0x430,
> 24},
> > + {MODULE_ESAI,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/esai at 02024000", 0x430,
> 25},
> > + {MODULE_FLEXCAN1, "/soc/aips-bus at 02000000/can at 02090000",
> 0x430, 26},
> > + {MODULE_FLEXCAN2, "/soc/aips-bus at 02000000/can at 02094000",
> 0x430, 27},
> > + {MODULE_SPDIF,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/spdif at 02004000", 0x440,
> 2},
> > + {MODULE_EIM, "/soc/aips-bus at 02100000/weim at 021b8000", 0x440,
> 3},
> > + {MODULE_SD1, "/soc/aips-bus at 02100000/usdhc at 02190000", 0x440,
> 4},
> > + {MODULE_SD2, "/soc/aips-bus at 02100000/usdhc at 02194000", 0x440,
> 5},
> > + {MODULE_QSPI1, "/soc/aips-bus at 02100000/qspi at 021e0000", 0x440,
> 6},
> > + {MODULE_GPMI, "/soc/gpmi-nand at 01806000", 0x440, 7},
> > + {MODULE_APBHDMA, "/soc/dma-apbh at 01804000", 0x440, 7},
> > + {MODULE_LCDIF, "/soc/aips-bus at 02100000/lcdif at 021c8000", 0x440,
> 8},
> > + {MODULE_PXP, "/soc/aips-bus at 02100000/pxp at 021cc000", 0x440, 9},
> > + {MODULE_CSI, "/soc/aips-bus at 02100000/csi at 021c4000", 0x440, 10},
> > + {MODULE_ADC1, "/soc/aips-bus at 02100000/adc at 02198000", 0x440,
> 11},
> > + {MODULE_ENET1, "/soc/aips-bus at 02100000/ethernet at 02188000",
> 0x440, 12},
> > + {MODULE_ENET2, "/soc/aips-bus at 02000000/ethernet at 020b4000",
> 0x440, 13},
> > + {MODULE_DCP, "/soc/aips-bus at 02200000/dcp at 02280000", 0x440,
> 14},
> > + {MODULE_USB_OTG2, "/soc/aips-bus at 02100000/usb at 02184200",
> 0x440, 15},
> > + {MODULE_SAI2,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/sai at 0202c000", 0x440,
> 24},
> > + {MODULE_SAI3,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/sai at 02030000", 0x440,
> 24},
> > + {MODULE_DCP_CRYPTO, "/soc/aips-bus at 02200000/dcp at 02280000",
> 0x440, 25},
> > + {MODULE_UART5, "/soc/aips-bus at 02100000/serial at 021f4000", 0x440,
> 26},
> > + {MODULE_UART6, "/soc/aips-bus at 02100000/serial at 021fc000", 0x440,
> 26},
> > + {MODULE_UART7,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/serial at 02018000", 0x440,
> 26},
> > + {MODULE_UART8, "/soc/aips-bus at 02200000/serial at 02288000", 0x440,
> 26},
> > + {MODULE_PWM5, "/soc/aips-bus at 02000000/pwm at 020f0000", 0x440,
> 27},
> > + {MODULE_PWM6, "/soc/aips-bus at 02000000/pwm at 020f4000", 0x440,
> 27},
> > + {MODULE_PWM7, "/soc/aips-bus at 02000000/pwm at 020f8000", 0x440,
> 27},
> > + {MODULE_PWM8, "/soc/aips-bus at 02000000/pwm at 020fc000", 0x440,
> 27},
> > + {MODULE_ECSPI3,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/ecspi at 02010000", 0x440,
> 28},
> > + {MODULE_ECSPI4,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/ecspi at 02014000", 0x440,
> 28},
> > + {MODULE_I2C3, "/soc/aips-bus at 02100000/i2c at 021a8000", 0x440,
> 29},
> > + {MODULE_I2C4, "/soc/aips-bus at 02100000/i2c at 021f8000", 0x440, 29},
> > + {MODULE_GPT2, "/soc/aips-bus at 02000000/gpt at 020e8000", 0x440,
> 30},
> > + {MODULE_EPIT2, "/soc/aips-bus at 02000000/epit at 020d4000", 0x440,
> 31},
> > +#elif defined(CONFIG_MX6UL)
> > + {MODULE_TSC, "/soc/aips-bus at 2000000/tsc at 2040000", 0x430, 22},
> > + {MODULE_ADC2, "/soc/aips-bus at 2100000/adc at 219c000", 0x430, 23},
> > + {MODULE_SIM1, "/soc/aips-bus at 2100000/sim at 218c000", 0x430, 24},
> > + {MODULE_SIM2, "/soc/aips-bus at 2100000/sim at 21b4000", 0x430, 25},
> > + {MODULE_FLEXCAN1, "/soc/aips-bus at 2000000/can at 2090000", 0x430,
> 26},
> > + {MODULE_FLEXCAN2, "/soc/aips-bus at 2000000/can at 2094000", 0x430,
> 27},
> > + {MODULE_SPDIF,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/spdif at 2004000", 0x440, 2},
> > + {MODULE_EIM, "/soc/aips-bus at 2100000/weim at 21b8000", 0x440, 3},
> > + {MODULE_SD1, "/soc/aips-bus at 2100000/usdhc at 2190000", 0x440, 4},
> > + {MODULE_SD2, "/soc/aips-bus at 2100000/usdhc at 2194000", 0x440, 5},
> > + {MODULE_QSPI1, "/soc/aips-bus at 2100000/qspi at 21e0000", 0x440, 6},
> > + {MODULE_GPMI, "/soc/gpmi-nand at 1806000", 0x440, 7},
> > + {MODULE_APBHDMA, "/soc/dma-apbh at 1804000", 0x440, 7},
> > + {MODULE_LCDIF, "/soc/aips-bus at 2100000/lcdif at 21c8000", 0x440, 8},
> > + {MODULE_PXP, "/soc/aips-bus at 2100000/pxp at 21cc000", 0x440, 9},
> > + {MODULE_CSI, "/soc/aips-bus at 2100000/csi at 21c4000", 0x440, 10},
> > + {MODULE_ADC1, "/soc/aips-bus at 2100000/adc at 2198000", 0x440, 11},
> > + {MODULE_ENET1, "/soc/aips-bus at 2100000/ethernet at 2188000",
> 0x440, 12},
> > + {MODULE_ENET2, "/soc/aips-bus at 2000000/ethernet at 20b4000",
> 0x440, 13},
> > + {MODULE_CAAM, "/soc/aips-bus at 2100000/caam at 2140000", 0x440,
> 14},
> > + {MODULE_USB_OTG2, "/soc/aips-bus at 2100000/usb at 2184200", 0x440,
> 15},
> > + {MODULE_SAI2,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/sai at 202c000", 0x440, 24},
> > + {MODULE_SAI3,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/sai at 2030000", 0x440, 24},
> > + {MODULE_BEE, "/soc/aips-bus at 2000000/bee at 2044000", 0x440, 25},
> > + {MODULE_UART5, "/soc/aips-bus at 2100000/serial at 21f4000", 0x440,
> 26},
> > + {MODULE_UART6, "/soc/aips-bus at 2100000/serial at 21fc000", 0x440,
> 26},
> > + {MODULE_UART7,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/serial at 2018000", 0x440, 26},
> > + {MODULE_UART8,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/serial at 2024000", 0x440, 26},
> > + {MODULE_PWM5, "/soc/aips-bus at 2000000/pwm at 20f0000", 0x440,
> 27},
> > + {MODULE_PWM6, "/soc/aips-bus at 2000000/pwm at 20f4000", 0x440,
> 27},
> > + {MODULE_PWM7, "/soc/aips-bus at 2000000/pwm at 20f8000", 0x440,
> 27},
> > + {MODULE_PWM8, "/soc/aips-bus at 2000000/pwm at 20fc000", 0x440,
> 27},
> > + {MODULE_ECSPI3,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/ecspi at 2010000", 0x440, 28},
> > + {MODULE_ECSPI4,
> "/soc/aips-bus at 2000000/spba-bus at 2000000/ecspi at 2014000", 0x440, 28},
> > + {MODULE_I2C3, "/soc/aips-bus at 2100000/i2c at 21a8000", 0x440, 29},
> > + {MODULE_I2C4, "/soc/aips-bus at 2100000/i2c at 21f8000", 0x440, 29},
> > + {MODULE_GPT2, "/soc/aips-bus at 2000000/gpt at 20e8000", 0x440, 30},
> > + {MODULE_EPIT2, "/soc/aips-bus at 2000000/epit at 20d4000", 0x440, 31},
> > + /* Paths for older imx tree: */
> > + {MODULE_TSC, "/soc/aips-bus at 02000000/tsc at 02040000", 0x430, 22},
> > + {MODULE_ADC2, "/soc/aips-bus at 02100000/adc at 0219c000", 0x430,
> 23},
> > + {MODULE_SIM1, "/soc/aips-bus at 02100000/sim at 0218c000", 0x430,
> 24},
> > + {MODULE_SIM2, "/soc/aips-bus at 02100000/sim at 021b4000", 0x430,
> 25},
> > + {MODULE_FLEXCAN1, "/soc/aips-bus at 02000000/can at 02090000",
> 0x430, 26},
> > + {MODULE_FLEXCAN2, "/soc/aips-bus at 02000000/can at 02094000",
> 0x430, 27},
> > + {MODULE_SPDIF,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/spdif at 02004000", 0x440,
> 2},
> > + {MODULE_EIM, "/soc/aips-bus at 02100000/weim at 021b8000", 0x440,
> 3},
> > + {MODULE_SD1, "/soc/aips-bus at 02100000/usdhc at 02190000", 0x440,
> 4},
> > + {MODULE_SD2, "/soc/aips-bus at 02100000/usdhc at 02194000", 0x440,
> 5},
> > + {MODULE_QSPI1, "/soc/aips-bus at 02100000/qspi at 021e0000", 0x440,
> 6},
> > + {MODULE_GPMI, "/soc/gpmi-nand at 01806000", 0x440, 7},
> > + {MODULE_APBHDMA, "/soc/dma-apbh at 01804000", 0x440, 7},
> > + {MODULE_LCDIF, "/soc/aips-bus at 02100000/lcdif at 021c8000", 0x440,
> 8},
> > + {MODULE_PXP, "/soc/aips-bus at 02100000/pxp at 021cc000", 0x440, 9},
> > + {MODULE_CSI, "/soc/aips-bus at 02100000/csi at 021c4000", 0x440, 10},
> > + {MODULE_ADC1, "/soc/aips-bus at 02100000/adc at 02198000", 0x440,
> 11},
> > + {MODULE_ENET1, "/soc/aips-bus at 02100000/ethernet at 02188000",
> 0x440, 12},
> > + {MODULE_ENET2, "/soc/aips-bus at 02000000/ethernet at 020b4000",
> 0x440, 13},
> > + {MODULE_CAAM, "/soc/aips-bus at 02100000/caam at 2140000", 0x440,
> 14},
> > + {MODULE_USB_OTG2, "/soc/aips-bus at 02100000/usb at 02184200",
> 0x440, 15},
> > + {MODULE_SAI2,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/sai at 0202c000", 0x440,
> 24},
> > + {MODULE_SAI3,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/sai at 02030000", 0x440,
> 24},
> > + {MODULE_BEE, "/soc/aips-bus at 02000000/bee at 02044000", 0x440,
> 25},
> > + {MODULE_UART5, "/soc/aips-bus at 02100000/serial at 021f4000", 0x440,
> 26},
> > + {MODULE_UART6, "/soc/aips-bus at 02100000/serial at 021fc000", 0x440,
> 26},
> > + {MODULE_UART7,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/serial at 02018000", 0x440,
> 26},
> > + {MODULE_UART8,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/serial at 02024000", 0x440,
> 26},
> > + {MODULE_PWM5, "/soc/aips-bus at 02000000/pwm at 020f0000", 0x440,
> 27},
> > + {MODULE_PWM6, "/soc/aips-bus at 02000000/pwm at 020f4000", 0x440,
> 27},
> > + {MODULE_PWM7, "/soc/aips-bus at 02000000/pwm at 020f8000", 0x440,
> 27},
> > + {MODULE_PWM8, "/soc/aips-bus at 02000000/pwm at 020fc000", 0x440,
> 27},
> > + {MODULE_ECSPI3,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/ecspi at 02010000", 0x440,
> 28},
> > + {MODULE_ECSPI4,
> "/soc/aips-bus at 02000000/spba-bus at 02000000/ecspi at 02014000", 0x440,
> 28},
> > + {MODULE_I2C3, "/soc/aips-bus at 02100000/i2c at 021a8000", 0x440,
> 29},
> > + {MODULE_I2C4, "/soc/aips-bus at 02100000/i2c at 021f8000", 0x440, 29},
> > + {MODULE_GPT2, "/soc/aips-bus at 02000000/gpt at 020e8000", 0x440,
> 30},
> > + {MODULE_EPIT2, "/soc/aips-bus at 02000000/epit at 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: sbabic at denx.de
> ==============================================================
> =======
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