diff options
Diffstat (limited to 'platforms/chibios')
-rw-r--r-- | platforms/chibios/eeprom_stm32.c | 66 | ||||
-rw-r--r-- | platforms/chibios/eeprom_stm32_defs.h | 62 | ||||
-rw-r--r-- | platforms/chibios/eeprom_teensy.c | 15 | ||||
-rwxr-xr-x | platforms/chibios/eeprom_teensy.h | 22 |
4 files changed, 87 insertions, 78 deletions
diff --git a/platforms/chibios/eeprom_stm32.c b/platforms/chibios/eeprom_stm32.c index acc6a48516..8bf0b19c3d 100644 --- a/platforms/chibios/eeprom_stm32.c +++ b/platforms/chibios/eeprom_stm32.c @@ -133,10 +133,6 @@ */ #include "eeprom_stm32_defs.h" -#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT) || !defined(FEE_MCU_FLASH_SIZE) || !defined(FEE_PAGE_BASE_ADDRESS) -# error "not implemented." -#endif - /* These bits are used for optimizing encoding of bytes, 0 and 1 */ #define FEE_WORD_ENCODING 0x8000 #define FEE_VALUE_NEXT 0x6000 @@ -144,69 +140,11 @@ #define FEE_VALUE_ENCODED 0x2000 #define FEE_BYTE_RANGE 0x80 -/* Addressable range 16KByte: 0 <-> (0x1FFF << 1) */ -#define FEE_ADDRESS_MAX_SIZE 0x4000 - /* Flash word value after erase */ #define FEE_EMPTY_WORD ((uint16_t)0xFFFF) -/* Size of combined compacted eeprom and write log pages */ -#define FEE_DENSITY_MAX_SIZE (FEE_PAGE_COUNT * FEE_PAGE_SIZE) - -#ifndef FEE_MCU_FLASH_SIZE_IGNORE_CHECK /* *TODO: Get rid of this check */ -# if FEE_DENSITY_MAX_SIZE > (FEE_MCU_FLASH_SIZE * 1024) -# pragma message STR(FEE_DENSITY_MAX_SIZE) " > " STR(FEE_MCU_FLASH_SIZE * 1024) -# error emulated eeprom: FEE_DENSITY_MAX_SIZE is greater than available flash size -# endif -#endif - -/* Size of emulated eeprom */ -#ifdef FEE_DENSITY_BYTES -# if (FEE_DENSITY_BYTES > FEE_DENSITY_MAX_SIZE) -# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE) -# error emulated eeprom: FEE_DENSITY_BYTES exceeds FEE_DENSITY_MAX_SIZE -# endif -# if (FEE_DENSITY_BYTES == FEE_DENSITY_MAX_SIZE) -# pragma message STR(FEE_DENSITY_BYTES) " == " STR(FEE_DENSITY_MAX_SIZE) -# warning emulated eeprom: FEE_DENSITY_BYTES leaves no room for a write log. This will greatly increase the flash wear rate! -# endif -# if FEE_DENSITY_BYTES > FEE_ADDRESS_MAX_SIZE -# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_ADDRESS_MAX_SIZE) -# error emulated eeprom: FEE_DENSITY_BYTES is greater than FEE_ADDRESS_MAX_SIZE allows -# endif -# if ((FEE_DENSITY_BYTES) % 2) == 1 -# error emulated eeprom: FEE_DENSITY_BYTES must be even -# endif -#else -/* Default to half of allocated space used for emulated eeprom, half for write log */ -# define FEE_DENSITY_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE / 2) -#endif - -/* Size of write log */ -#ifdef FEE_WRITE_LOG_BYTES -# if ((FEE_DENSITY_BYTES + FEE_WRITE_LOG_BYTES) > FEE_DENSITY_MAX_SIZE) -# pragma message STR(FEE_DENSITY_BYTES) " + " STR(FEE_WRITE_LOG_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE) -# error emulated eeprom: FEE_WRITE_LOG_BYTES exceeds remaining FEE_DENSITY_MAX_SIZE -# endif -# if ((FEE_WRITE_LOG_BYTES) % 2) == 1 -# error emulated eeprom: FEE_WRITE_LOG_BYTES must be even -# endif -#else -/* Default to use all remaining space */ -# define FEE_WRITE_LOG_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE - FEE_DENSITY_BYTES) -#endif - -/* Start of the emulated eeprom compacted flash area */ -#define FEE_COMPACTED_BASE_ADDRESS FEE_PAGE_BASE_ADDRESS -/* End of the emulated eeprom compacted flash area */ -#define FEE_COMPACTED_LAST_ADDRESS (FEE_COMPACTED_BASE_ADDRESS + FEE_DENSITY_BYTES) -/* Start of the emulated eeprom write log */ -#define FEE_WRITE_LOG_BASE_ADDRESS FEE_COMPACTED_LAST_ADDRESS -/* End of the emulated eeprom write log */ -#define FEE_WRITE_LOG_LAST_ADDRESS (FEE_WRITE_LOG_BASE_ADDRESS + FEE_WRITE_LOG_BYTES) - -#if defined(DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) && (DYNAMIC_KEYMAP_EEPROM_MAX_ADDR >= FEE_DENSITY_BYTES) -# error emulated eeprom: DYNAMIC_KEYMAP_EEPROM_MAX_ADDR is greater than the FEE_DENSITY_BYTES available +#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT) || !defined(FEE_MCU_FLASH_SIZE) || !defined(FEE_PAGE_BASE_ADDRESS) +# error "not implemented." #endif /* In-memory contents of emulated eeprom for faster access */ diff --git a/platforms/chibios/eeprom_stm32_defs.h b/platforms/chibios/eeprom_stm32_defs.h index 66904f247f..581434eb5e 100644 --- a/platforms/chibios/eeprom_stm32_defs.h +++ b/platforms/chibios/eeprom_stm32_defs.h @@ -72,3 +72,65 @@ # define FEE_PAGE_BASE_ADDRESS ((uintptr_t)(FEE_FLASH_BASE) + FEE_MCU_FLASH_SIZE * 1024 - (FEE_PAGE_COUNT * FEE_PAGE_SIZE)) # endif #endif + +/* Addressable range 16KByte: 0 <-> (0x1FFF << 1) */ +#define FEE_ADDRESS_MAX_SIZE 0x4000 + +/* Size of combined compacted eeprom and write log pages */ +#define FEE_DENSITY_MAX_SIZE (FEE_PAGE_COUNT * FEE_PAGE_SIZE) + +#ifndef FEE_MCU_FLASH_SIZE_IGNORE_CHECK /* *TODO: Get rid of this check */ +# if FEE_DENSITY_MAX_SIZE > (FEE_MCU_FLASH_SIZE * 1024) +# pragma message STR(FEE_DENSITY_MAX_SIZE) " > " STR(FEE_MCU_FLASH_SIZE * 1024) +# error emulated eeprom: FEE_DENSITY_MAX_SIZE is greater than available flash size +# endif +#endif + +/* Size of emulated eeprom */ +#ifdef FEE_DENSITY_BYTES +# if (FEE_DENSITY_BYTES > FEE_DENSITY_MAX_SIZE) +# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE) +# error emulated eeprom: FEE_DENSITY_BYTES exceeds FEE_DENSITY_MAX_SIZE +# endif +# if (FEE_DENSITY_BYTES == FEE_DENSITY_MAX_SIZE) +# pragma message STR(FEE_DENSITY_BYTES) " == " STR(FEE_DENSITY_MAX_SIZE) +# warning emulated eeprom: FEE_DENSITY_BYTES leaves no room for a write log. This will greatly increase the flash wear rate! +# endif +# if FEE_DENSITY_BYTES > FEE_ADDRESS_MAX_SIZE +# pragma message STR(FEE_DENSITY_BYTES) " > " STR(FEE_ADDRESS_MAX_SIZE) +# error emulated eeprom: FEE_DENSITY_BYTES is greater than FEE_ADDRESS_MAX_SIZE allows +# endif +# if ((FEE_DENSITY_BYTES) % 2) == 1 +# error emulated eeprom: FEE_DENSITY_BYTES must be even +# endif +#else +/* Default to half of allocated space used for emulated eeprom, half for write log */ +# define FEE_DENSITY_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE / 2) +#endif + +/* Size of write log */ +#ifdef FEE_WRITE_LOG_BYTES +# if ((FEE_DENSITY_BYTES + FEE_WRITE_LOG_BYTES) > FEE_DENSITY_MAX_SIZE) +# pragma message STR(FEE_DENSITY_BYTES) " + " STR(FEE_WRITE_LOG_BYTES) " > " STR(FEE_DENSITY_MAX_SIZE) +# error emulated eeprom: FEE_WRITE_LOG_BYTES exceeds remaining FEE_DENSITY_MAX_SIZE +# endif +# if ((FEE_WRITE_LOG_BYTES) % 2) == 1 +# error emulated eeprom: FEE_WRITE_LOG_BYTES must be even +# endif +#else +/* Default to use all remaining space */ +# define FEE_WRITE_LOG_BYTES (FEE_PAGE_COUNT * FEE_PAGE_SIZE - FEE_DENSITY_BYTES) +#endif + +/* Start of the emulated eeprom compacted flash area */ +#define FEE_COMPACTED_BASE_ADDRESS FEE_PAGE_BASE_ADDRESS +/* End of the emulated eeprom compacted flash area */ +#define FEE_COMPACTED_LAST_ADDRESS (FEE_COMPACTED_BASE_ADDRESS + FEE_DENSITY_BYTES) +/* Start of the emulated eeprom write log */ +#define FEE_WRITE_LOG_BASE_ADDRESS FEE_COMPACTED_LAST_ADDRESS +/* End of the emulated eeprom write log */ +#define FEE_WRITE_LOG_LAST_ADDRESS (FEE_WRITE_LOG_BASE_ADDRESS + FEE_WRITE_LOG_BYTES) + +#if defined(DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) && (DYNAMIC_KEYMAP_EEPROM_MAX_ADDR >= FEE_DENSITY_BYTES) +# error emulated eeprom: DYNAMIC_KEYMAP_EEPROM_MAX_ADDR is greater than the FEE_DENSITY_BYTES available +#endif diff --git a/platforms/chibios/eeprom_teensy.c b/platforms/chibios/eeprom_teensy.c index 2093f9b4b2..575f51526e 100644 --- a/platforms/chibios/eeprom_teensy.c +++ b/platforms/chibios/eeprom_teensy.c @@ -1,6 +1,7 @@ #include <ch.h> #include <hal.h> +#include "eeprom_teensy.h" #include "eeconfig.h" /*************************************/ @@ -42,18 +43,6 @@ #if defined(K20x) /* chip selection */ /* Teensy 3.0, 3.1, 3.2; mchck; infinity keyboard */ -// The EEPROM is really RAM with a hardware-based backup system to -// flash memory. Selecting a smaller size EEPROM allows more wear -// leveling, for higher write endurance. If you edit this file, -// set this to the smallest size your application can use. Also, -// due to Freescale's implementation, writing 16 or 32 bit words -// (aligned to 2 or 4 byte boundaries) has twice the endurance -// compared to writing 8 bit bytes. -// -# ifndef EEPROM_SIZE -# define EEPROM_SIZE 32 -# endif - /* ^^^ Here be dragons: NXP AppNote AN4282 section 3.1 states that partitioning must only be done once. @@ -350,8 +339,6 @@ void do_flash_cmd(volatile uint8_t *fstat) extern uint32_t __eeprom_workarea_start__; extern uint32_t __eeprom_workarea_end__; -# define EEPROM_SIZE 128 - static uint32_t flashend = 0; void eeprom_initialize(void) { diff --git a/platforms/chibios/eeprom_teensy.h b/platforms/chibios/eeprom_teensy.h new file mode 100755 index 0000000000..ead5998b29 --- /dev/null +++ b/platforms/chibios/eeprom_teensy.h @@ -0,0 +1,22 @@ +// Copyright 2022 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later +#pragma once + +#if defined(K20x) +/* Teensy 3.0, 3.1, 3.2; mchck; infinity keyboard */ +// The EEPROM is really RAM with a hardware-based backup system to +// flash memory. Selecting a smaller size EEPROM allows more wear +// leveling, for higher write endurance. If you edit this file, +// set this to the smallest size your application can use. Also, +// due to Freescale's implementation, writing 16 or 32 bit words +// (aligned to 2 or 4 byte boundaries) has twice the endurance +// compared to writing 8 bit bytes. +// +# ifndef EEPROM_SIZE +# define EEPROM_SIZE 32 +# endif +#elif defined(KL2x) /* Teensy LC (emulated) */ +# define EEPROM_SIZE 128 +#else +# error Unsupported Teensy EEPROM. +#endif |