Change in flashrom[master]: internal: Only build on x86 and mipsel

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/22671

Change subject: internal: Only build on x86 and mipsel
......................................................................

internal: Only build on x86 and mipsel

internal_init() explicitly fails on everything but x86 and mipsel.
Instead, we can just never build the internal programmer on other
architectures and drop a lot of #if boilerplate.

Change-Id: I672ddab0415df3baa49ff39a1c9db1b41d8143a4
Signed-off-by: Nico Huber 
---
M Makefile
M internal.c
2 files changed, 12 insertions(+), 38 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/71/22671/1

diff --git a/Makefile b/Makefile
index bd2cc10..a97761f 100644
--- a/Makefile
+++ b/Makefile
@@ -378,6 +378,15 @@
 override ARCH := $(strip $(call debug_shell,$(CC) $(CPPFLAGS) -E archtest.c 2>/dev/null | grep -v '^#' | grep '"' | cut -f 2 -d'"'))
 override ENDIAN := $(strip $(call debug_shell,$(CC) $(CPPFLAGS) -E endiantest.c 2>/dev/null | grep -v '^#'))

+# Disable the internal programmer on unsupported architectures (everything but x86 and mipsel)
+ifneq ($(ARCH)-little, $(filter $(ARCH),x86 mips)-$(ENDIAN))
+ifeq ($(CONFIG_INTERNAL), yes)
+UNSUPPORTED_FEATURES += CONFIG_INTERNAL=yes
+else
+override CONFIG_INTERNAL = no
+endif
+endif
+
 # PCI port I/O support is unimplemented on PPC/MIPS/SPARC and unavailable on ARM.
 # Right now this means the drivers below only work on x86.
 ifneq ($(ARCH), x86)
@@ -422,11 +431,6 @@
 # architectures with unknown raw access properties.
 # Right now those architectures are alpha hppa m68k sh s390
 ifneq ($(ARCH),$(filter $(ARCH),x86 mips ppc arm sparc))
-ifeq ($(CONFIG_INTERNAL), yes)
-UNSUPPORTED_FEATURES += CONFIG_INTERNAL=yes
-else
-override CONFIG_INTERNAL = no
-endif
 ifeq ($(CONFIG_RAYER_SPI), yes)
 UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
 else
diff --git a/internal.c b/internal.c
index 276e14b..4d58eb9 100644
--- a/internal.c
+++ b/internal.c
@@ -25,7 +25,6 @@
 #include "programmer.h"
 #include "hwaccess.h"

-#if NEED_PCI == 1
 struct pci_dev *pci_dev_find_filter(struct pci_filter filter)
 {
    struct pci_dev *temp;
@@ -94,13 +93,11 @@

return NULL;
 }
-#endif

-#if CONFIG_INTERNAL == 1
 int force_boardenable = 0;
 int force_boardmismatch = 0;

-#if defined(__i386__) || defined(__x86_64__)
+#if IS_X86
 void probe_superio(void)
 {
    probe_superio_winbond();
@@ -131,7 +128,6 @@
 int is_laptop = 0;
 int laptop_ok = 0;

-#if IS_X86 || IS_MIPS
 static void internal_chip_writeb(const struct flashctx *flash, uint8_t val,
    			 chipaddr addr);
 static void internal_chip_writew(const struct flashctx *flash, uint16_t val,
@@ -156,20 +152,17 @@
    	.chip_writel		= internal_chip_writel,
    	.chip_writen		= fallback_chip_writen,
 };
-#endif

enum chipbustype internal_buses_supported = BUS_NONE;

int internal_init(void)
 {
-#if defined __FLASHROM_LITTLE_ENDIAN__
    int ret = 0;
-#endif
    int force_laptop = 0;
    int not_a_laptop = 0;
    const char *board_vendor = NULL;
    const char *board_model = NULL;
-#if IS_X86 || IS_ARM
+#if IS_X86
    const char *cb_vendor = NULL;
    const char *cb_model = NULL;
 #endif
@@ -251,7 +244,7 @@
    	return 1;
    }

-#if IS_X86 || IS_ARM
+#if IS_X86
    if ((cb_parse_table(&cb_vendor, &cb_model) == 0) && (board_vendor != NULL) && (board_model != NULL)) {
    	if (strcasecmp(board_vendor, cb_vendor) || strcasecmp(board_model, cb_model)) {
    		msg_pwarn("Warning: The mainboard IDs set by -p internal:mainboard (%s:%s) do not\n"
@@ -314,7 +307,6 @@
    	}
    }

-#ifdef __FLASHROM_LITTLE_ENDIAN__
    /* try to enable it. Failure IS an option, since not all motherboards
     * really need this to be done, etc., etc.
     */
@@ -336,31 +328,10 @@
    }
 #endif

-#if IS_X86 || IS_MIPS
    register_par_master(&par_master_internal, internal_buses_supported);
    return 0;
-#else
-	msg_perr("Your platform is not supported yet for the internal "
-		 "programmer due to missing\n"
-		 "flash_base and top/bottom alignment information.\n"
-		 "Aborting.\n");
-	return 1;
-#endif
-#else
-	/* FIXME: Remove this unconditional abort once all PCI drivers are
-	 * converted to use little-endian accesses for memory BARs.
-	 */
-	msg_perr("Your platform is not supported yet for the internal "
-		 "programmer because it has\n"
-		 "not been converted from native endian to little endian "
-		 "access yet.\n"
-		 "Aborting.\n");
-	return 1;
-#endif
 }
-#endif

-#if IS_X86 || IS_MIPS
 static void internal_chip_writeb(const struct flashctx *flash, uint8_t val,
    			 chipaddr addr)
 {
@@ -403,4 +374,3 @@
    mmio_readn((void *)addr, buf, len);
    return;
 }
-#endif