aboutsummaryrefslogtreecommitdiff
path: root/include/asm-parisc/eisa_eeprom.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-parisc/eisa_eeprom.h')
-rw-r--r--include/asm-parisc/eisa_eeprom.h153
1 files changed, 153 insertions, 0 deletions
diff --git a/include/asm-parisc/eisa_eeprom.h b/include/asm-parisc/eisa_eeprom.h
new file mode 100644
index 00000000000..9c9da980402
--- /dev/null
+++ b/include/asm-parisc/eisa_eeprom.h
@@ -0,0 +1,153 @@
+/*
+ * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines
+ *
+ * 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.
+ *
+ * Copyright (c) 2001, 2002 Daniel Engstrom <5116@telia.com>
+ *
+ */
+
+#ifndef ASM_EISA_EEPROM_H
+#define ASM_EISA_EEPROM_H
+
+extern void __iomem *eisa_eeprom_addr;
+
+#define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */
+
+#define HPEE_SLOT_INFO(slot) (20+(48*slot))
+
+struct eeprom_header
+{
+
+ u_int32_t num_writes; /* number of writes */
+ u_int8_t flags; /* flags, usage? */
+ u_int8_t ver_maj;
+ u_int8_t ver_min;
+ u_int8_t num_slots; /* number of EISA slots in system */
+ u_int16_t csum; /* checksum, I don't know how to calulate this */
+ u_int8_t pad[10];
+} __attribute__ ((packed));
+
+
+struct eeprom_eisa_slot_info
+{
+ u_int32_t eisa_slot_id;
+ u_int32_t config_data_offset;
+ u_int32_t num_writes;
+ u_int16_t csum;
+ u_int16_t num_functions;
+ u_int16_t config_data_length;
+
+ /* bits 0..3 are the duplicate slot id */
+#define HPEE_SLOT_INFO_EMBEDDED 0x10
+#define HPEE_SLOT_INFO_VIRTUAL 0x20
+#define HPEE_SLOT_INFO_NO_READID 0x40
+#define HPEE_SLOT_INFO_DUPLICATE 0x80
+ u_int8_t slot_info;
+
+#define HPEE_SLOT_FEATURES_ENABLE 0x01
+#define HPEE_SLOT_FEATURES_IOCHK 0x02
+#define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80
+ u_int8_t slot_features;
+
+ u_int8_t ver_min;
+ u_int8_t ver_maj;
+
+#define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01
+#define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02
+#define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04
+#define HPEE_FUNCTION_INFO_HAVE_DMA 0x08
+#define HPEE_FUNCTION_INFO_HAVE_PORT 0x10
+#define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20
+/* I think there are two slighty different
+ * versions of the function_info field
+ * one int the fixed header and one optional
+ * in the parsed slot data area */
+#define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01
+#define HPEE_FUNCTION_INFO_F_DISABLED 0x80
+#define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40
+ u_int8_t function_info;
+
+#define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */
+ u_int8_t flags;
+ u_int8_t pad[24];
+} __attribute__ ((packed));
+
+
+#define HPEE_MEMORY_MAX_ENT 9
+/* memory descriptor: byte 0 */
+#define HPEE_MEMORY_WRITABLE 0x01
+#define HPEE_MEMORY_CACHABLE 0x02
+#define HPEE_MEMORY_TYPE_MASK 0x18
+#define HPEE_MEMORY_TYPE_SYS 0x00
+#define HPEE_MEMORY_TYPE_EXP 0x08
+#define HPEE_MEMORY_TYPE_VIR 0x10
+#define HPEE_MEMORY_TYPE_OTH 0x18
+#define HPEE_MEMORY_SHARED 0x20
+#define HPEE_MEMORY_MORE 0x80
+
+/* memory descriptor: byte 1 */
+#define HPEE_MEMORY_WIDTH_MASK 0x03
+#define HPEE_MEMORY_WIDTH_BYTE 0x00
+#define HPEE_MEMORY_WIDTH_WORD 0x01
+#define HPEE_MEMORY_WIDTH_DWORD 0x02
+#define HPEE_MEMORY_DECODE_MASK 0x0c
+#define HPEE_MEMORY_DECODE_20BITS 0x00
+#define HPEE_MEMORY_DECODE_24BITS 0x04
+#define HPEE_MEMORY_DECODE_32BITS 0x08
+/* byte 2 and 3 are a 16bit LE value
+ * containging the memory size in kilobytes */
+/* byte 4,5,6 are a 24bit LE value
+ * containing the memory base address */
+
+
+#define HPEE_IRQ_MAX_ENT 7
+/* Interrupt entry: byte 0 */
+#define HPEE_IRQ_CHANNEL_MASK 0xf
+#define HPEE_IRQ_TRIG_LEVEL 0x20
+#define HPEE_IRQ_MORE 0x80
+/* byte 1 seems to be unused */
+
+#define HPEE_DMA_MAX_ENT 4
+
+/* dma entry: byte 0 */
+#define HPEE_DMA_CHANNEL_MASK 7
+#define HPEE_DMA_SIZE_MASK 0xc
+#define HPEE_DMA_SIZE_BYTE 0x0
+#define HPEE_DMA_SIZE_WORD 0x4
+#define HPEE_DMA_SIZE_DWORD 0x8
+#define HPEE_DMA_SHARED 0x40
+#define HPEE_DMA_MORE 0x80
+
+/* dma entry: byte 1 */
+#define HPEE_DMA_TIMING_MASK 0x30
+#define HPEE_DMA_TIMING_ISA 0x0
+#define HPEE_DMA_TIMING_TYPEA 0x10
+#define HPEE_DMA_TIMING_TYPEB 0x20
+#define HPEE_DMA_TIMING_TYPEC 0x30
+
+#define HPEE_PORT_MAX_ENT 20
+/* port entry byte 0 */
+#define HPEE_PORT_SIZE_MASK 0x1f
+#define HPEE_PORT_SHARED 0x40
+#define HPEE_PORT_MORE 0x80
+/* byte 1 and 2 is a 16bit LE value
+ * conating the start port number */
+
+#define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */
+/* port init entry byte 0 */
+#define HPEE_PORT_INIT_WIDTH_MASK 0x3
+#define HPEE_PORT_INIT_WIDTH_BYTE 0x0
+#define HPEE_PORT_INIT_WIDTH_WORD 0x1
+#define HPEE_PORT_INIT_WIDTH_DWORD 0x2
+#define HPEE_PORT_INIT_MASK 0x4
+#define HPEE_PORT_INIT_MORE 0x80
+
+#define HPEE_SELECTION_MAX_ENT 26
+
+#define HPEE_TYPE_MAX_LEN 80
+
+#endif