The mailbox buffer is required to be at least 16 bytes aligned, but for cache invalidation and/or flush it needs to be cacheline aligned. Use CONFIG_SYS_CACHELINE_SIZE alignment for all mailbox buffer allocations.
Signed-off-by: Alexander Stein alexanders83@web.de --- board/raspberrypi/rpi/rpi.c | 10 +++++----- drivers/video/bcm2835.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c index 96fe870..d5d3fec 100644 --- a/board/raspberrypi/rpi/rpi.c +++ b/board/raspberrypi/rpi/rpi.c @@ -182,7 +182,7 @@ u32 rpi_board_rev = 0;
int dram_init(void) { - ALLOC_ALIGN_BUFFER(struct msg_get_arm_mem, msg, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_get_arm_mem, msg, 1, CONFIG_SYS_CACHELINE_SIZE); int ret;
BCM2835_MBOX_INIT_HDR(msg); @@ -212,7 +212,7 @@ static void set_fdtfile(void)
static void set_usbethaddr(void) { - ALLOC_ALIGN_BUFFER(struct msg_get_mac_address, msg, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_get_mac_address, msg, 1, CONFIG_SYS_CACHELINE_SIZE); int ret;
if (!models[rpi_board_rev].has_onboard_eth) @@ -245,7 +245,7 @@ int misc_init_r(void)
static int power_on_module(u32 module) { - ALLOC_ALIGN_BUFFER(struct msg_set_power_state, msg_pwr, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_set_power_state, msg_pwr, 1, CONFIG_SYS_CACHELINE_SIZE); int ret;
BCM2835_MBOX_INIT_HDR(msg_pwr); @@ -269,7 +269,7 @@ static int power_on_module(u32 module)
static void get_board_rev(void) { - ALLOC_ALIGN_BUFFER(struct msg_get_board_rev, msg, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_get_board_rev, msg, 1, CONFIG_SYS_CACHELINE_SIZE); int ret; const char *name;
@@ -324,7 +324,7 @@ int board_init(void)
int board_mmc_init(bd_t *bis) { - ALLOC_ALIGN_BUFFER(struct msg_get_clock_rate, msg_clk, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_get_clock_rate, msg_clk, 1, CONFIG_SYS_CACHELINE_SIZE); int ret;
power_on_module(BCM2835_MBOX_POWER_DEVID_SDHCI); diff --git a/drivers/video/bcm2835.c b/drivers/video/bcm2835.c index 1f18231..30e22cc 100644 --- a/drivers/video/bcm2835.c +++ b/drivers/video/bcm2835.c @@ -38,8 +38,8 @@ struct msg_setup {
void lcd_ctrl_init(void *lcdbase) { - ALLOC_ALIGN_BUFFER(struct msg_query, msg_query, 1, 16); - ALLOC_ALIGN_BUFFER(struct msg_setup, msg_setup, 1, 16); + ALLOC_ALIGN_BUFFER(struct msg_query, msg_query, 1, CONFIG_SYS_CACHELINE_SIZE); + ALLOC_ALIGN_BUFFER(struct msg_setup, msg_setup, 1, CONFIG_SYS_CACHELINE_SIZE); int ret; u32 w, h;