Add support for programming SPI devices attached to the AST1100 BMC

All possible (three) Flash devices are supported with the programmer-
specific parameter spibus=<n>.  The AST2050 device is compatible with
this driver.

Read and write tested on ASUS KGPE-D16 with ASMB4 BMC module installed.

Change-Id: I5b17061a7f308eabe50d87127311dc88cc96e16c
Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>

Makefile

@@ -214,6 +214,11 @@ UNSUPPORTED_FEATURES += CONFIG_GFXNVIDIA=yes
 else
 override CONFIG_GFXNVIDIA = no
 endif
+ifeq ($(CONFIG_AST1100), yes)
+UNSUPPORTED_FEATURES += CONFIG_AST1100=yes
+else
+override CONFIG_AST1100 = no
+endif
 ifeq ($(CONFIG_AST2400), yes)
 UNSUPPORTED_FEATURES += CONFIG_AST2400=yes
 else
@@ -446,6 +451,11 @@ UNSUPPORTED_FEATURES += CONFIG_GFXNVIDIA=yes
 else
 override CONFIG_GFXNVIDIA = no
 endif
+ifeq ($(CONFIG_AST1100), yes)
+UNSUPPORTED_FEATURES += CONFIG_AST1100=yes
+else
+override CONFIG_AST1100 = no
+endif
 ifeq ($(CONFIG_AST2400), yes)
 UNSUPPORTED_FEATURES += CONFIG_AST2400=yes
 else
@@ -579,6 +589,9 @@ CONFIG_NIC3COM ?= yes
 # Enable NVIDIA graphics cards. Note: write and erase do not work properly.
 CONFIG_GFXNVIDIA ?= yes
 
+# Enable AST1100 BMC SoCs.
+CONFIG_AST1100 ?= yes
+
 # Enable AST2400 BMC SoCs.
 CONFIG_AST2400 ?= yes
 
@@ -681,6 +694,7 @@ ifeq ($(CONFIG_ENABLE_LIBPCI_PROGRAMMERS), no)
 override CONFIG_INTERNAL = no
 override CONFIG_NIC3COM = no
 override CONFIG_GFXNVIDIA = no
+override CONFIG_AST1100 = no
 override CONFIG_AST2400 = no
 override CONFIG_SATASII = no
 override CONFIG_ATAHPT = no
@@ -794,6 +808,12 @@ PROGRAMMER_OBJS += gfxnvidia.o
 NEED_LIBPCI += CONFIG_GFXNVIDIA
 endif
 
+ifeq ($(CONFIG_AST1100), yes)
+FEATURE_CFLAGS += -D'CONFIG_AST1100=1'
+PROGRAMMER_OBJS += ast1100.o
+NEED_LIBPCI += CONFIG_AST1100
+endif
+
 ifeq ($(CONFIG_AST2400), yes)
 FEATURE_CFLAGS += -D'CONFIG_AST2400=1'
 PROGRAMMER_OBJS += ast2400.o

flashrom.c

@@ -5,6 +5,7 @@
  * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com>
  * Copyright (C) 2005-2008 coresystems GmbH
  * Copyright (C) 2008,2009 Carl-Daniel Hailfinger
+ * Copyright (C) 2016-2017 Raptor Engineering, LLC
  *
  * 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
@@ -134,11 +135,23 @@ const struct programmer_entry programmer_table[] = {
 	},
 #endif
 
+#if CONFIG_AST1100 == 1
+	{
+		.name			= "ast1100",
+		.type			= PCI,
+		.devs.dev		= bmc_aspeed_ast1100,
+		.init			= ast1100_init,
+		.map_flash_region	= fallback_map,
+		.unmap_flash_region	= fallback_unmap,
+		.delay			= internal_delay,
+	},
+#endif
+
 #if CONFIG_AST2400 == 1
 	{
 		.name			= "ast2400",
 		.type			= PCI,
-		.devs.dev		= bmc_aspeed,
+		.devs.dev		= bmc_aspeed_ast2400,
 		.init			= ast2400_init,
 		.map_flash_region	= fallback_map,
 		.unmap_flash_region	= fallback_unmap,

programmer.h

@@ -5,6 +5,7 @@
  * Copyright (C) 2000 Ronald G. Minnich <rminnich@gmail.com>
  * Copyright (C) 2005-2009 coresystems GmbH
  * Copyright (C) 2006-2009 Carl-Daniel Hailfinger
+ * Copyright (C) 2016-2017 Raptor Engineering, LLC
  *
  * 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
@@ -45,6 +46,9 @@ enum programmer {
 #if CONFIG_GFXNVIDIA == 1
 	PROGRAMMER_GFXNVIDIA,
 #endif
+#if CONFIG_AST1100 == 1
+	PROGRAMMER_AST1100,
+#endif
 #if CONFIG_AST2400 == 1
 	PROGRAMMER_AST2400,
 #endif
@@ -402,10 +406,16 @@ int gfxnvidia_init(void);
 extern const struct dev_entry gfx_nvidia[];
 #endif
 
+/* ast1100.c */
+#if CONFIG_AST1100 == 1
+int ast1100_init(void);
+extern const struct dev_entry bmc_aspeed_ast1100[];
+#endif
+
 /* ast2400.c */
 #if CONFIG_AST2400 == 1
 int ast2400_init(void);
-extern const struct dev_entry bmc_aspeed[];
+extern const struct dev_entry bmc_aspeed_ast2400[];
 #endif
 
 /* drkaiser.c */
@@ -610,6 +620,10 @@ enum spi_controller {
 	SPI_CONTROLLER_CH341A_SPI,
 #endif
 
+#if CONFIG_AST1100 == 1
+	SPI_CONTROLLER_AST1100,
+#endif
+
 #if CONFIG_AST2400 == 1
 	SPI_CONTROLLER_AST2400,
 #endif