Merge branch 'master' of git://git.denx.de/u-boot-sh

1 files changed, 79 insertions, 0 deletions

diff --git a/drivers/spi/sh_spi.h b/drivers/spi/sh_spi.h
new file mode 100644
index 0000000000..b1cf98cc33
--- /dev/null
+++ b/drivers/spi/sh_spi.h
@@ -0,0 +1,79 @@
+/*
+ * SH SPI driver
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __SH_SPI_H__
+#define __SH_SPI_H__
+
+#include <spi.h>
+
+struct sh_spi_regs {
+	unsigned long tbr_rbr;
+	unsigned long resv1;
+	unsigned long cr1;
+	unsigned long resv2;
+	unsigned long cr2;
+	unsigned long resv3;
+	unsigned long cr3;
+	unsigned long resv4;
+	unsigned long cr4;
+};
+
+/* CR1 */
+#define SH_SPI_TBE	0x80
+#define SH_SPI_TBF	0x40
+#define SH_SPI_RBE	0x20
+#define SH_SPI_RBF	0x10
+#define SH_SPI_PFONRD	0x08
+#define SH_SPI_SSDB	0x04
+#define SH_SPI_SSD	0x02
+#define SH_SPI_SSA	0x01
+
+/* CR2 */
+#define SH_SPI_RSTF	0x80
+#define SH_SPI_LOOPBK	0x40
+#define SH_SPI_CPOL	0x20
+#define SH_SPI_CPHA	0x10
+#define SH_SPI_L1M0	0x08
+
+/* CR3 */
+#define SH_SPI_MAX_BYTE	0xFF
+
+/* CR4 */
+#define SH_SPI_TBEI	0x80
+#define SH_SPI_TBFI	0x40
+#define SH_SPI_RBEI	0x20
+#define SH_SPI_RBFI	0x10
+#define SH_SPI_WPABRT	0x04
+#define SH_SPI_SSS	0x01
+
+#define SH_SPI_FIFO_SIZE	32
+
+struct sh_spi {
+	struct spi_slave	slave;
+	struct sh_spi_regs	*regs;
+};
+
+static inline struct sh_spi *to_sh_spi(struct spi_slave *slave)
+{
+	return container_of(slave, struct sh_spi, slave);
+}
+
+#endif
+