diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2018-03-02 11:26:00 +0100 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-03-05 23:48:29 -0800 |
| commit | 63c849a363e119b75693760262644148d145dd01 (patch) | |
| tree | 545067be7a222ddb5c2e32b13ec651a5f1a4e999 /chip/stm32/usb.c | |
| parent | b42dd73603844c03b44d88a4513df330ee168496 (diff) | |
| download | chrome-ec-63c849a363e119b75693760262644148d145dd01.tar.gz | |
stm32: convert to CONFIG_CHIP_MEMORY_REGIONS
Remove the former special case for USB RAM
Add additional RAM regions for STM32H7.
For USB RAM, add an explicit alignment directive to ensure we always meet
the 8-byte boundary hardware constraint for the BTABLE.
This was already true because we put the .usb_ram.btable section first.
I keep this property by alpha-sorting the sections but makes it more
explicit by adding a 2-digit numeric prefix: e.g. 00_firstsection,
99_lastsection.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=b:67081508
TEST=on ZerbleBarn, along with the following CLs, run the firmware with
large arrays in special AHB memory regions.
TEST=build all targets with and without the patch and verify that all
smap files are identical.
Change-Id: I9ee7f519a13cb14ba9997220f22180028f9c0175
Reviewed-on: https://chromium-review.googlesource.com/946369
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Diffstat (limited to 'chip/stm32/usb.c')
| -rw-r--r-- | chip/stm32/usb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/chip/stm32/usb.c b/chip/stm32/usb.c index 560ca3da2d..c8768823d7 100644 --- a/chip/stm32/usb.c +++ b/chip/stm32/usb.c @@ -90,8 +90,7 @@ const uint8_t usb_string_desc[] = { }; /* Endpoint table in USB controller RAM */ -struct stm32_endpoint btable_ep[USB_EP_COUNT] - __attribute__((section(".usb_ram.btable"))); +struct stm32_endpoint btable_ep[USB_EP_COUNT] __aligned(8) __usb_btable; /* Control endpoint (EP0) buffers */ static usb_uint ep0_buf_tx[USB_MAX_PACKET_SIZE / 2] __usb_ram; static usb_uint ep0_buf_rx[USB_MAX_PACKET_SIZE / 2] __usb_ram; |