Blackfin arch: BF538/9 Linux kernel Support

Add supporing for Blackfin BF538 and BF539 processors.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf538/include/mach/blackfin.h b/arch/blackfin/mach-bf538/include/mach/blackfin.h
new file mode 100644
index 00000000000..d10366f6847
--- /dev/null
+++ b/arch/blackfin/mach-bf538/include/mach/blackfin.h
@@ -0,0 +1,100 @@
+/*
+ * File:         include/asm-blackfin/mach-bf538/blackfin.h
+ * Based on:
+ * Author:
+ *
+ * Created:
+ * Description:
+ *
+ * Rev:
+ *
+ * Modified:
+ *
+ *
+ * Bugs:         Enter bugs at http://blackfin.uclinux.org/
+ *
+ * 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; either version 2, or (at your option)
+ * any later version.
+ *
+ * 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; see the file COPYING.
+ * If not, write to the Free Software Foundation,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _MACH_BLACKFIN_H_
+#define _MACH_BLACKFIN_H_
+
+#define BF538_FAMILY
+
+#include "bf538.h"
+#include "mem_map.h"
+#include "defBF539.h"
+#include "anomaly.h"
+
+
+#if !defined(__ASSEMBLY__)
+#include "cdefBF538.h"
+
+#if defined(CONFIG_BF539)
+#include "cdefBF539.h"
+#endif
+#endif
+
+/* UART_IIR Register */
+#define STATUS(x)	((x << 1) & 0x06)
+#define STATUS_P1	0x02
+#define STATUS_P0	0x01
+
+#define BFIN_UART_NR_PORTS	3
+
+#define OFFSET_THR              0x00	/* Transmit Holding register            */
+#define OFFSET_RBR              0x00	/* Receive Buffer register              */
+#define OFFSET_DLL              0x00	/* Divisor Latch (Low-Byte)             */
+#define OFFSET_IER              0x04	/* Interrupt Enable Register            */
+#define OFFSET_DLH              0x04	/* Divisor Latch (High-Byte)            */
+#define OFFSET_IIR              0x08	/* Interrupt Identification Register    */
+#define OFFSET_LCR              0x0C	/* Line Control Register                */
+#define OFFSET_MCR              0x10	/* Modem Control Register               */
+#define OFFSET_LSR              0x14	/* Line Status Register                 */
+#define OFFSET_MSR              0x18	/* Modem Status Register                */
+#define OFFSET_SCR              0x1C	/* SCR Scratch Register                 */
+#define OFFSET_GCTL             0x24	/* Global Control Register              */
+
+
+#define bfin_write_MDMA_D0_IRQ_STATUS	bfin_write_MDMA0_D0_IRQ_STATUS
+#define bfin_write_MDMA_D0_START_ADDR   bfin_write_MDMA0_D0_START_ADDR
+#define bfin_write_MDMA_S0_START_ADDR   bfin_write_MDMA0_S0_START_ADDR
+#define bfin_write_MDMA_D0_X_COUNT      bfin_write_MDMA0_D0_X_COUNT
+#define bfin_write_MDMA_S0_X_COUNT      bfin_write_MDMA0_S0_X_COUNT
+#define bfin_write_MDMA_D0_Y_COUNT      bfin_write_MDMA0_D0_Y_COUNT
+#define bfin_write_MDMA_S0_Y_COUNT      bfin_write_MDMA0_S0_Y_COUNT
+#define bfin_write_MDMA_D0_X_MODIFY     bfin_write_MDMA0_D0_X_MODIFY
+#define bfin_write_MDMA_S0_X_MODIFY     bfin_write_MDMA0_S0_X_MODIFY
+#define bfin_write_MDMA_D0_Y_MODIFY     bfin_write_MDMA0_D0_Y_MODIFY
+#define bfin_write_MDMA_S0_Y_MODIFY     bfin_write_MDMA0_S0_Y_MODIFY
+#define bfin_write_MDMA_S0_CONFIG       bfin_write_MDMA0_S0_CONFIG
+#define bfin_write_MDMA_D0_CONFIG       bfin_write_MDMA0_D0_CONFIG
+#define bfin_read_MDMA_D0_IRQ_STATUS    bfin_read_MDMA0_D0_IRQ_STATUS
+#define bfin_write_MDMA_S0_IRQ_STATUS   bfin_write_MDMA0_S0_IRQ_STATUS
+
+
+/* DPMC*/
+#define bfin_read_STOPCK_OFF() bfin_read_STOPCK()
+#define bfin_write_STOPCK_OFF(val) bfin_write_STOPCK(val)
+#define STOPCK_OFF STOPCK
+
+/* PLL_DIV Masks													*/
+#define CCLK_DIV1 CSEL_DIV1	/*          CCLK = VCO / 1                                  */
+#define CCLK_DIV2 CSEL_DIV2	/*          CCLK = VCO / 2                                  */
+#define CCLK_DIV4 CSEL_DIV4	/*          CCLK = VCO / 4                                  */
+#define CCLK_DIV8 CSEL_DIV8	/*          CCLK = VCO / 8                                  */
+
+#endif