From 635a07ddadc47b649fa24bee6f94c65295eb844d Mon Sep 17 00:00:00 2001 From: Vincent Palatin Date: Wed, 18 Jun 2014 08:45:30 -0700 Subject: stm32: update USB buffer size for STM32F0x2 The STM32F0x2 has a 1024-byte dedicated SRAM buffer for USB rather than a 512-byte one as previous parts. Signed-off-by: Vincent Palatin BRANCH=none BUG=chrome-os-partner:28295 TEST=make buildall Change-Id: I9fc8d76fbaa01f2b4cb0a814314c69192a6cbb95 Reviewed-on: https://chromium-review.googlesource.com/204437 Reviewed-by: Todd Broch Commit-Queue: Vincent Palatin Tested-by: Vincent Palatin --- chip/stm32/config-stm32f07x.h | 3 +++ chip/stm32/config_chip.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/chip/stm32/config-stm32f07x.h b/chip/stm32/config-stm32f07x.h index a40f0f1057..843f8886bf 100644 --- a/chip/stm32/config-stm32f07x.h +++ b/chip/stm32/config-stm32f07x.h @@ -40,3 +40,6 @@ /* Reduced history because of limited RAM */ #undef CONFIG_CONSOLE_HISTORY #define CONFIG_CONSOLE_HISTORY 3 + +/* STM32F0 has a larger USB RAM */ +#define CONFIG_USB_RAM_SIZE 1024 diff --git a/chip/stm32/config_chip.h b/chip/stm32/config_chip.h index 366311d09b..d3143d8c86 100644 --- a/chip/stm32/config_chip.h +++ b/chip/stm32/config_chip.h @@ -87,6 +87,8 @@ /* Dedicated SRAM region for USB transfers */ #define CONFIG_USB_RAM_BASE 0x40006000 +#ifndef CONFIG_USB_RAM_SIZE #define CONFIG_USB_RAM_SIZE 512 +#endif #endif /* __CROS_EC_CONFIG_CHIP_H */ -- cgit v1.2.1