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[U-Boot] board: AXS10x - update SDIO clock value

Message ID 1427962370-2073-1-git-send-email-abrodkin@synopsys.com
State Accepted, archived
Delegated to: Alexey Brodkin
Headers show

Commit Message

Alexey Brodkin April 2, 2015, 8:12 a.m. UTC
With the most recent board firmware correct SDIO clock is 50MHz as
opposed to 25 MHz before.

Also set max frequency of MMC data exchange equal to SDIO clock -
because there's no way to transfer data faster than interface clock.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
 board/synopsys/axs101/axs101.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/board/synopsys/axs101/axs101.c b/board/synopsys/axs101/axs101.c
index d1271ff..7742049 100644
--- a/board/synopsys/axs101/axs101.c
+++ b/board/synopsys/axs101/axs101.c
@@ -27,9 +27,9 @@  int board_mmc_init(bd_t *bis)
 	host->ioaddr = (void *)ARC_DWMMC_BASE;
 	host->buswidth = 4;
 	host->dev_index = 0;
-	host->bus_hz = 25000000;
+	host->bus_hz = 50000000;
 
-	add_dwmci(host, 52000000, 400000);
+	add_dwmci(host, host->bus_hz, 400000);
 
 	return 0;
 }