On Tuesday, May 12, 2015 at 03:38:31 PM, Peter Griffin wrote:
This patch adds the glue code for hi6220 SoC which has 2x synopsis dw_mmc controllers. This will be used by the hikey board support in subsequent patches.
Signed-off-by: Peter Griffin peter.griffin@linaro.org
[...]
diff --git a/drivers/mmc/hi6220_dw_mmc.c b/drivers/mmc/hi6220_dw_mmc.c new file mode 100644 index 0000000..a3880a3 --- /dev/null +++ b/drivers/mmc/hi6220_dw_mmc.c @@ -0,0 +1,63 @@ +/*
- (C) Copyright 2015 Linaro
- peter.griffin peter.griffin@linaro.org
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <common.h> +#include <dwmmc.h> +#include <malloc.h> +#include <asm-generic/errno.h>
+#define DWMMC_MAX_CH_NUM 4
+/* +#define DWMMC_MAX_FREQ 52000000 +#define DWMMC_MIN_FREQ 400000 +*/
Please zap these dead macros.
+/*TODO we should probably use the frequencies above, but ATF uses
- the ones below so stick with that for the moment */
+#define DWMMC_MAX_FREQ 50000000 +#define DWMMC_MIN_FREQ 378000
+/* Source clock is configured to 100Mhz by ATF bl1*/ +#define MMC0_DEFAULT_FREQ 100000000
[...]
+int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width) +{
- struct dwmci_host *host = NULL;
- host = malloc(sizeof(struct dwmci_host));
calloc(1, sizeof(...)) so the data are inited/zero'd out please. [...]