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-rw-r--r--include/asm-frv/gpio-regs.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/include/asm-frv/gpio-regs.h b/include/asm-frv/gpio-regs.h
new file mode 100644
index 0000000..9edf5d5
--- /dev/null
+++ b/include/asm-frv/gpio-regs.h
@@ -0,0 +1,116 @@
+/* gpio-regs.h: on-chip general purpose I/O registers
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * 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 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_GPIO_REGS
+#define _ASM_GPIO_REGS
+
+#define __reg(ADDR) (*(volatile unsigned long *)(ADDR))
+
+#define __get_PDR() ({ __reg(0xfeff0400); })
+#define __set_PDR(V) do { __reg(0xfeff0400) = (V); mb(); } while(0)
+
+#define __get_GPDR() ({ __reg(0xfeff0408); })
+#define __set_GPDR(V) do { __reg(0xfeff0408) = (V); mb(); } while(0)
+
+#define __get_SIR() ({ __reg(0xfeff0410); })
+#define __set_SIR(V) do { __reg(0xfeff0410) = (V); mb(); } while(0)
+
+#define __get_SOR() ({ __reg(0xfeff0418); })
+#define __set_SOR(V) do { __reg(0xfeff0418) = (V); mb(); } while(0)
+
+#define __set_PDSR(V) do { __reg(0xfeff0420) = (V); mb(); } while(0)
+
+#define __set_PDCR(V) do { __reg(0xfeff0428) = (V); mb(); } while(0)
+
+#define __get_RSTR() ({ __reg(0xfeff0500); })
+#define __set_RSTR(V) do { __reg(0xfeff0500) = (V); mb(); } while(0)
+
+
+
+/* PDR definitions */
+#define PDR_GPIO_DATA(X) (1 << (X))
+
+/* GPDR definitions */
+#define GPDR_INPUT 0
+#define GPDR_OUTPUT 1
+#define GPDR_DREQ0_BIT 0x00001000
+#define GPDR_DREQ1_BIT 0x00008000
+#define GPDR_DREQ2_BIT 0x00040000
+#define GPDR_DREQ3_BIT 0x00080000
+#define GPDR_DREQ4_BIT 0x00004000
+#define GPDR_DREQ5_BIT 0x00020000
+#define GPDR_DREQ6_BIT 0x00100000
+#define GPDR_DREQ7_BIT 0x00200000
+#define GPDR_DACK0_BIT 0x00002000
+#define GPDR_DACK1_BIT 0x00010000
+#define GPDR_DACK2_BIT 0x00100000
+#define GPDR_DACK3_BIT 0x00200000
+#define GPDR_DONE0_BIT 0x00004000
+#define GPDR_DONE1_BIT 0x00020000
+#define GPDR_GPIO_DIR(X,D) ((D) << (X))
+
+/* SIR definitions */
+#define SIR_GPIO_INPUT 0
+#define SIR_DREQ7_INPUT 0x00200000
+#define SIR_DREQ6_INPUT 0x00100000
+#define SIR_DREQ3_INPUT 0x00080000
+#define SIR_DREQ2_INPUT 0x00040000
+#define SIR_DREQ5_INPUT 0x00020000
+#define SIR_DREQ1_INPUT 0x00008000
+#define SIR_DREQ4_INPUT 0x00004000
+#define SIR_DREQ0_INPUT 0x00001000
+#define SIR_RXD1_INPUT 0x00000400
+#define SIR_CTS0_INPUT 0x00000100
+#define SIR_RXD0_INPUT 0x00000040
+#define SIR_GATE1_INPUT 0x00000020
+#define SIR_GATE0_INPUT 0x00000010
+#define SIR_IRQ3_INPUT 0x00000008
+#define SIR_IRQ2_INPUT 0x00000004
+#define SIR_IRQ1_INPUT 0x00000002
+#define SIR_IRQ0_INPUT 0x00000001
+#define SIR_DREQ_BITS (SIR_DREQ0_INPUT | SIR_DREQ1_INPUT | \
+ SIR_DREQ2_INPUT | SIR_DREQ3_INPUT | \
+ SIR_DREQ4_INPUT | SIR_DREQ5_INPUT | \
+ SIR_DREQ6_INPUT | SIR_DREQ7_INPUT)
+
+/* SOR definitions */
+#define SOR_GPIO_OUTPUT 0
+#define SOR_DACK3_OUTPUT 0x00200000
+#define SOR_DACK2_OUTPUT 0x00100000
+#define SOR_DONE1_OUTPUT 0x00020000
+#define SOR_DACK1_OUTPUT 0x00010000
+#define SOR_DONE0_OUTPUT 0x00004000
+#define SOR_DACK0_OUTPUT 0x00002000
+#define SOR_TXD1_OUTPUT 0x00000800
+#define SOR_RTS0_OUTPUT 0x00000200
+#define SOR_TXD0_OUTPUT 0x00000080
+#define SOR_TOUT1_OUTPUT 0x00000020
+#define SOR_TOUT0_OUTPUT 0x00000010
+#define SOR_DONE_BITS (SOR_DONE0_OUTPUT | SOR_DONE1_OUTPUT)
+#define SOR_DACK_BITS (SOR_DACK0_OUTPUT | SOR_DACK1_OUTPUT | \
+ SOR_DACK2_OUTPUT | SOR_DACK3_OUTPUT)
+
+/* PDSR definitions */
+#define PDSR_UNCHANGED 0
+#define PDSR_SET_BIT(X) (1 << (X))
+
+/* PDCR definitions */
+#define PDCR_UNCHANGED 0
+#define PDCR_CLEAR_BIT(X) (1 << (X))
+
+/* RSTR definitions */
+/* Read Only */
+#define RSTR_POWERON 0x00000400
+#define RSTR_SOFTRESET_STATUS 0x00000100
+/* Write Only */
+#define RSTR_SOFTRESET 0x00000001
+
+#endif /* _ASM_GPIO_REGS */
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