motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/i2c/aspeed: Add support for buffer organization

Browse source 
Added support for the buffer organization option in pool buffer control
register.when set to 1,The buffer is split into two parts: Lower 16 bytes
for Tx and higher 16 bytes for Rx.

Signed-off-by: Hang Yu <francis_yuu@stu.pku.edu.cn>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[ clg: checkpatch fixes ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Hang Yu 2023-08-12 14:52:30 +08:00 • committed by Cédric Le Goater
parent 961faf3ddb
commit acc3d20ab2
2 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hw/i2c/aspeed_i2c.c
View file

@ -297,6 +297,10 @@ static void aspeed_i2c_bus_recv(AspeedI2CBus *bus)
if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_BUFF_EN)) {
uint8_t *pool_base = aic->bus_pool_base(bus);
if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl,
BUF_ORGANIZATION)) {
pool_base += 16;
}
for (i = 0; i < pool_rx_count; i++) {
pool_base[i] = i2c_recv(bus->bus);