qmk · zvecr · Oct 22, 2023 · Oct 22, 2023
diff --git a/docs/eeprom_driver.md b/docs/eeprom_driver.md
@@ -66,6 +66,14 @@ Currently QMK supports 25xx-series chips over SPI. As such, requires a working s
 `#define EXTERNAL_EEPROM_PAGE_SIZE`            | `32`          | Page size of the EEPROM in bytes, as specified in the datasheet
 `#define EXTERNAL_EEPROM_ADDRESS_SIZE`         | `2`           | The number of bytes to transmit for the memory location within the EEPROM
 
+Default values and extended descriptions can be found in `drivers/eeprom/eeprom_spi.h`.
+
+Alternatively, there are pre-defined hardware configurations for available chips/modules:
+
+Module           | Equivalent `#define`            | Source
+-----------------|---------------------------------|------------------------------------------
+MB85RS64V FRAM   | `define EEPROM_SPI_MB85RS64V`   | <https://www.adafruit.com/product/1897>
+
 !> There's no way to determine if there is an SPI EEPROM actually responding. Generally, this will result in reads of nothing but zero.
 
 ## Transient Driver configuration :id=transient-eeprom-driver-configuration

diff --git a/drivers/eeprom/eeprom_spi.h b/drivers/eeprom/eeprom_spi.h
@@ -16,6 +16,18 @@
 
 #pragma once
 
+/*
+    Default device configurations:
+
+    For the Adafruit SPI Non-Volatile FRAM Breakout: https://www.adafruit.com/product/1897
+        #define EEPROM_SPI_MB85RS64V
+*/
+#if defined(EEPROM_SPI_MB85RS64V)
+#    define EXTERNAL_EEPROM_BYTE_COUNT 8192
+#    define EXTERNAL_EEPROM_PAGE_SIZE 64 // it's FRAM, so it doesn't actually matter, this just sets the RAM buffer
+#    define EXTERNAL_EEPROM_ADDRESS_SIZE 2
+#endif
+
 /*
     The slave select pin of the EEPROM.
     This needs to be a normal GPIO pin_t value, such as A7.

diff --git a/keyboards/custommk/evo70_r2/config.h b/keyboards/custommk/evo70_r2/config.h
@@ -26,6 +26,7 @@
 #define MATRIX_ROW_PINS { A8, A1, A2, B1, A7 }
 
 // FRAM configuration
+#define EEPROM_SPI_MB85RS64V
 #define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN A0
 #define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR 4 // 48MHz / 4 = 12MHz; max supported by MB85R64 is 20MHz
 

diff --git a/keyboards/rgbkb/mun/keymaps/default/config.h b/keyboards/rgbkb/mun/keymaps/default/config.h
@@ -19,5 +19,3 @@
 // 20m timeout (20m * 60s * 1000mil)
 // #define RGB_MATRIX_TIMEOUT 1200000
 #define RGB_DISABLE_WHEN_USB_SUSPENDED
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
diff --git a/keyboards/rgbkb/mun/keymaps/via/config.h b/keyboards/rgbkb/mun/keymaps/via/config.h
@@ -24,5 +24,3 @@
 // 224B per layer right now
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
diff --git a/keyboards/rgbkb/sol3/keymaps/default/config.h b/keyboards/rgbkb/sol3/keymaps/default/config.h
@@ -19,6 +19,3 @@
 // 20m timeout (20m * 60s * 1000mil)
 // #define RGB_MATRIX_TIMEOUT 1200000
 #define RGB_DISABLE_WHEN_USB_SUSPENDED
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
-
diff --git a/keyboards/rgbkb/sol3/keymaps/via/config.h b/keyboards/rgbkb/sol3/keymaps/via/config.h
@@ -25,6 +25,3 @@
 // 224B per layer right now
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
-
-#define STM32_ONBOARD_EEPROM_SIZE 2048
-
diff --git a/keyboards/tau4/config.h b/keyboards/tau4/config.h
@@ -17,15 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-
-// Buggy, currently disabled
-/* #define EXTERNAL_EEPROM_I2C_BASE_ADDRESS 0b10100000
-#define EXTERNAL_EEPROM_I2C_ADDRESS(loc) (EXTERNAL_EEPROM_I2C_BASE_ADDRESS | ((((loc) >> 8) & 0x07) << 1))
-#define EXTERNAL_EEPROM_BYTE_COUNT 2048
-#define EXTERNAL_EEPROM_PAGE_SIZE 16
-#define EXTERNAL_EEPROM_ADDRESS_SIZE 1
-#define EXTERNAL_EEPROM_WRITE_TIME 5 */
-
 #define RGBLIGHT_LAYERS_RETAIN_VAL
 
 #define OLED_DISPLAY_WIDTH 128

diff --git a/keyboards/tzarc/djinn/rev1/config.h b/keyboards/tzarc/djinn/rev1/config.h
@@ -22,7 +22,6 @@
 #define RGB_CURR_3000mA_OK_PIN C5
 
 // EEPROM configuration
+#define EEPROM_SPI_MB85RS64V
 #define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN B5
 #define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR 8 // (160MHz/8) => 20MHz
-#define EXTERNAL_EEPROM_BYTE_COUNT 8192
-#define EXTERNAL_EEPROM_PAGE_SIZE 64 // it's FRAM, so it doesn't actually matter, this just sets the RAM buffer size
diff --git a/keyboards/tzarc/djinn/rev2/config.h b/keyboards/tzarc/djinn/rev2/config.h
@@ -25,10 +25,9 @@
 #define RGB_CURR_3000mA_OK_PIN C4
 
 // EEPROM configuration
+#define EEPROM_SPI_MB85RS64V
 #define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN B5
 #define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR 8 // (160MHz/8) => 20MHz
-#define EXTERNAL_EEPROM_BYTE_COUNT 8192
-#define EXTERNAL_EEPROM_PAGE_SIZE 64 // it's FRAM, so it doesn't actually matter, this just sets the RAM buffer size
 
 // External flash config
 #define EXTERNAL_FLASH_SPI_MODE 3

diff --git a/keyboards/tzarc/ghoul/config.h b/keyboards/tzarc/ghoul/config.h
@@ -8,8 +8,7 @@
 // #define MATRIX_COLS 8 // actually defined in info.json: 8 bits per register
 
 // EEPROM configuration
-#define EXTERNAL_EEPROM_BYTE_COUNT 8192
-#define EXTERNAL_EEPROM_PAGE_SIZE 64 // it's FRAM, so it doesn't actually matter, this just sets the RAM buffer
+#define EEPROM_SPI_MB85RS64V
 
 // RGB configuration
 #define RGB_MATRIX_LED_COUNT 40
diff --git a/keyboards/vinhcatba/uncertainty/config.h b/keyboards/vinhcatba/uncertainty/config.h
@@ -19,11 +19,7 @@
 #define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_16_9
 
 /* eeprom i2c driver config */
-#define EXTERNAL_EEPROM_I2C_BASE_ADDRESS 0b10100000
-#define EXTERNAL_EEPROM_BYTE_COUNT 4096
-#define EXTERNAL_EEPROM_PAGE_SIZE 32
-#define EXTERNAL_EEPROM_WRITE_TIME 10
-//#define EEPROM_I2C_24LC32
+#define EEPROM_I2C_24LC32A
 
 /* OLED config */
 #define OLED_UPDATE_INTERVAL 100

diff --git a/keyboards/xelus/kangaroo/rev1/config.h b/keyboards/xelus/kangaroo/rev1/config.h
@@ -35,6 +35,3 @@
 
 // I2C EEPROM
 #define EEPROM_I2C_CAT24C512
-
-// Dynamic EEPROM
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 65535
diff --git a/keyboards/xelus/pachi/rgb/rev1/config.h b/keyboards/xelus/pachi/rgb/rev1/config.h
@@ -36,9 +36,6 @@
 // I2C EEPROM
 #define EEPROM_I2C_24LC64
 
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 8191
-
 // RGB Matrix defines
 #define IS31FL3741_I2C_ADDRESS_1 IS31FL3741_I2C_ADDRESS_GND
 

diff --git a/keyboards/xelus/rs108/config.h b/keyboards/xelus/rs108/config.h
@@ -30,14 +30,7 @@
 #define I2C1_DUTY_CYCLE     FAST_DUTY_CYCLE_2
 
 // EEPROM config
-// 24LC32
-#define EXTERNAL_EEPROM_BYTE_COUNT 4096
-#define EXTERNAL_EEPROM_PAGE_SIZE 32
-#define EXTERNAL_EEPROM_ADDRESS_SIZE 2
-#define EXTERNAL_EEPROM_WRITE_TIME 5
-
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 4095
+#define EEPROM_I2C_24LC32A
 
 // Hardware Defines
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE

diff --git a/keyboards/xelus/rs60/rev2_0/config.h b/keyboards/xelus/rs60/rev2_0/config.h
@@ -30,14 +30,7 @@
 #define I2C1_DUTY_CYCLE     FAST_DUTY_CYCLE_2
 
 // EEPROM config
-// 24LC32
-#define EXTERNAL_EEPROM_BYTE_COUNT 4096
-#define EXTERNAL_EEPROM_PAGE_SIZE 32
-#define EXTERNAL_EEPROM_ADDRESS_SIZE 2
-#define EXTERNAL_EEPROM_WRITE_TIME 5
-
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 4095
+#define EEPROM_I2C_24LC32A
 
 // Hardware Defines
 #define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE

diff --git a/keyboards/xelus/valor/rev2/config.h b/keyboards/xelus/valor/rev2/config.h
@@ -36,9 +36,6 @@
 // I2C EEPROM
 #define EEPROM_I2C_24LC64
 
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 8191
-
 /* RGB Matrix */
 #define RGB_MATRIX_LED_COUNT 28
 #define NOP_FUDGE 0.4

diff --git a/keyboards/xelus/valor_frl_tkl/rev1/config.h b/keyboards/xelus/valor_frl_tkl/rev1/config.h
@@ -35,10 +35,4 @@
 #define I2C1_TIMINGR_SCLL   9U
 
 // I2C EEPROM
-// 24LC64
 #define EEPROM_I2C_24LC64
-
-// Dynamic EEPROM
-// Something sensible or else VIA may crash
-// Users may enable more if they wish
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR  4095
diff --git a/keyboards/xelus/xs108/config.h b/keyboards/xelus/xs108/config.h
@@ -34,6 +34,3 @@
 
 // I2C EEPROM
 #define EEPROM_I2C_24LC64
-
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 8191
diff --git a/keyboards/xelus/xs60/hotswap/config.h b/keyboards/xelus/xs60/hotswap/config.h
@@ -34,9 +34,6 @@
 // I2C EEPROM
 #define EEPROM_I2C_24LC64
 
-// More EEPROM for layers
-#define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 8191
-
 // RGBLIGHT
 #define RGBLIGHT_LAYERS
 #define WS2812_EXTERNAL_PULLUP

diff --git a/platforms/chibios/boards/BONSAI_C4/configs/config.h b/platforms/chibios/boards/BONSAI_C4/configs/config.h
@@ -24,11 +24,9 @@
 
 // FRAM configuration
 #ifndef EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN
+#    define EEPROM_SPI_MB85RS64V
 #    define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN PAL_LINE(GPIOA, 0)
 #    define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR 8 // 96MHz / 8 = 12MHz; max supported by MB85R64 is 20MHz
-#    define EXTERNAL_EEPROM_BYTE_COUNT 8192
-#    define EXTERNAL_EEPROM_PAGE_SIZE 64 // does not matter for FRAM, just sets the RAM buffer size in STM32F chip
-#    define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 8191
 #endif
 
 // External flash configuration