[PATCH 1/3] ARM: memory: da8xx-ddrctl: new driver
From: khilman@baylibre.com (Kevin Hilman)
Date: 2016-10-17 16:55:15
Also in:
dri-devel, linux-devicetree, lkml
Bartosz Golaszewski [off-list ref] writes:
Create a new driver for the da8xx DDR2/mDDR controller and implement support for writing to the Peripheral Bus Burst Priority Register. Signed-off-by: Bartosz Golaszewski <redacted>
[...]
quoted hunk
diff --git a/drivers/memory/da8xx-ddrctl.c b/drivers/memory/da8xx-ddrctl.c new file mode 100644 index 0000000..dcd0a61 --- /dev/null +++ b/drivers/memory/da8xx-ddrctl.c@@ -0,0 +1,77 @@ +/* + * TI da8xx DDR2/mDDR controller driver + * + * Copyright (C) 2016 BayLibre SAS + * + * Author: + * Bartosz Golaszewski <bgolaszewski@baylibre.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#define DA8XX_DDR_CTL_BASE 0xB0000000
This base addr should be the reg property of the node.
+#define DA8XX_PBBPR_OFFSET 0x00000020 +#define DA8XX_PBBPR_REG(p) ((p) + DA8XX_PBBPR_OFFSET)
Kevin