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dts: arm: stm32: Add ccm address and size configurations

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Configure ccm size and address via dts. According to the DT
specification, the unit-address of a node must match the
first address specified in the reg property of the node.

Signed-off-by: Erwin Rol <erwin@erwinrol.com>
This commit is contained in:
Erwin Rol 2017-10-05 02:13:46 +02:00 committed by Kumar Gala
parent 1dc41d19b3
commit eaf74f71ed
4 changed files with 45 additions and 1 deletions
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10
dts/arm/st/mem.h
View file

@ -32,9 +32,11 @@
#elif defined(CONFIG_SOC_STM32F303XC)
#define DT_FLASH_SIZE __SIZE_K(256)
#define DT_SRAM_SIZE __SIZE_K(40)
#define DT_CCM_SIZE __SIZE_K(8)
#elif defined(CONFIG_SOC_STM32F334X8)
#define DT_FLASH_SIZE __SIZE_K(64)
#define DT_SRAM_SIZE __SIZE_K(12)
#define DT_CCM_SIZE __SIZE_K(4)
#elif defined(CONFIG_SOC_STM32F373XC)
#define DT_FLASH_SIZE __SIZE_K(256)
#define DT_SRAM_SIZE __SIZE_K(32)
@ -44,9 +46,11 @@
#elif defined(CONFIG_SOC_STM32F405XG)
#define DT_FLASH_SIZE __SIZE_K(1024)
#define DT_SRAM_SIZE __SIZE_K(192)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32F407XG)
#define DT_FLASH_SIZE __SIZE_K(1024)
#define DT_SRAM_SIZE __SIZE_K(192)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32F411XE)
#define DT_FLASH_SIZE __SIZE_K(512)
#define DT_SRAM_SIZE __SIZE_K(128)
@ -59,15 +63,19 @@
#elif defined(CONFIG_SOC_STM32F417XE)
#define DT_FLASH_SIZE __SIZE_K(512)
#define DT_SRAM_SIZE __SIZE_K(192)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32F417XG)
#define DT_FLASH_SIZE __SIZE_K(1024)
#define DT_SRAM_SIZE __SIZE_K(192)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32F429XI)
#define DT_FLASH_SIZE __SIZE_K(2048)
#define DT_SRAM_SIZE __SIZE_K(256)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32F469XI)
#define DT_FLASH_SIZE __SIZE_K(2048)
#define DT_SRAM_SIZE __SIZE_K(384)
#define DT_CCM_SIZE __SIZE_K(64)
#elif defined(CONFIG_SOC_STM32L475XG)
#define DT_FLASH_SIZE __SIZE_K(1024)
#define DT_SRAM_SIZE __SIZE_K(96)
@ -81,7 +89,7 @@
#define DT_FLASH_SIZE __SIZE_K(256)
#define DT_SRAM_SIZE __SIZE_K(64)
#else
#error "Flash and RAM sizes not defined for this chip"
#error "Flash, RAM, and CCM sizes not defined for this chip"
#endif
#endif /* __DT_BINDING_ST_MEM_H */

5
dts/arm/st/stm32f303.dtsi
View file

@ -7,6 +7,11 @@
#include <st/stm32f3.dtsi>
/ {
ccm0: memory@10000000 {
compatible = "st,stm32-ccm";
reg = <0x10000000 DT_CCM_SIZE>;
};
soc {
i2c2: i2c@40005800 {
compatible = "st,stm32-i2c-v2";

5
dts/arm/st/stm32f405.dtsi
View file

@ -8,6 +8,11 @@
#include <st/stm32f411.dtsi>
/ {
ccm0: memory@10000000 {
compatible = "st,stm32-ccm";
reg = <0x10000000 DT_CCM_SIZE>;
};
soc {
pinctrl: pin-controller {
reg = <0x40020000 0x2800>;

26
dts/bindings/arm/st,stm32-ccm.yaml Normal file
View file

@ -0,0 +1,26 @@
---
# SPDX-License-Identifier: Apache-2.0
title: STM32 CCM
id: st,stm32-ccm
version: 0.1
description: >
This binding gives a base representation of the STM32 CCM (Core Coupled Memory)
properties:
compatible:
type: string
category: required
constraint: "st,stm32-ccm"
reg:
type: int
description: mmio register space
generation: define
category: required
base_label: CCM
use-property-label: yes
...