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u-boot-megous/arch/arm/mach-imx/mx6/module_fuse.c
Tom Rini d678a59d2d Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d, reversing
changes made to 2ee6f3a5f7.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19 08:16:36 -06:00

323 lines
14 KiB
C

// 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, struct bd_info *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, off, "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;
}
}