[U-Boot] [PATCH v0 4/7] x86: Provide more configuration granularity

Graeme Russ graeme.russ at gmail.com
Sat Nov 5 03:21:48 CET 2011


Planned future ports requires more granularity for some options

Signed-off-by: Graeme Russ <graeme.russ at gmail.com>
---
 arch/x86/lib/Makefile     |   18 +++++++++---------
 arch/x86/lib/board.c      |    9 +++++++++
 arch/x86/lib/bootm.c      |    4 +++-
 arch/x86/lib/pci.c        |   37 +++++++++++++++++++++++++++++++++++++
 arch/x86/lib/video_bios.c |   42 ------------------------------------------
 common/cmd_bdinfo.c       |    3 ++-
 include/configs/eNET.h    |    5 +++++
 include/serial.h          |    2 +-
 8 files changed, 66 insertions(+), 54 deletions(-)

diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 71e94f7..eb5fa10 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -25,11 +25,11 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(ARCH).o
 
-SOBJS-y	+= bios.o
-SOBJS-y	+= bios_pci.o
-SOBJS-y	+= realmode_switch.o
+SOBJS-$(CONFIG_SYS_PC_BIOS)	+= bios.o
+SOBJS-$(CONFIG_SYS_PCI_BIOS)	+= bios_pci.o
+SOBJS-$(CONFIG_SYS_X86_REALMODE)	+= realmode_switch.o
 
-COBJS-y	+= bios_setup.o
+COBJS-$(CONFIG_SYS_PC_BIOS)	+= bios_setup.o
 COBJS-y	+= board.o
 COBJS-y	+= bootm.o
 COBJS-y	+= interrupts.o
@@ -37,11 +37,11 @@ COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
 COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o
 COBJS-$(CONFIG_PCI) += pci.o
 COBJS-$(CONFIG_PCI) += pci_type1.o
-COBJS-y	+= realmode.o
-COBJS-y	+= timer.o
-COBJS-y	+= video_bios.o
-COBJS-y	+= video.o
-COBJS-y	+= zimage.o
+COBJS-$(CONFIG_SYS_X86_REALMODE)	+= realmode.o
+COBJS-$(CONFIG_SYS_X86_ISR_TIMER)	+= timer.o
+COBJS-$(CONFIG_VIDEO)	+= video_bios.o
+COBJS-$(CONFIG_VIDEO)	+= video.o
+COBJS-$(CONFIG_CMD_ZBOOT)	+= zimage.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c
index 8963580..0938104 100644
--- a/arch/x86/lib/board.c
+++ b/arch/x86/lib/board.c
@@ -110,11 +110,13 @@ static int display_dram_config (void)
 	return (0);
 }
 
+#ifndef CONFIG_SYS_NO_FLASH
 static void display_flash_config (ulong size)
 {
 	puts ("Flash: ");
 	print_size (size, "\n");
 }
+#endif
 
 /*
  * Breath some life into the board...
@@ -259,8 +261,12 @@ void board_init_f(ulong boot_flags)
 
 void board_init_r(gd_t *id, ulong dest_addr)
 {
+#if defined(CONFIG_CMD_NET)
 	char *s;
+#endif
+#ifndef CONFIG_SYS_NO_FLASH
 	ulong size;
+#endif
 	static bd_t bd_data;
 	static gd_t gd_data;
 	init_fnc_t **init_fnc_ptr;
@@ -292,10 +298,13 @@ void board_init_r(gd_t *id, ulong dest_addr)
 #ifdef CONFIG_SERIAL_MULTI
 	serial_initialize();
 #endif
+
+#ifndef CONFIG_SYS_NO_FLASH
 	/* configure available FLASH banks */
 	size = flash_init();
 	display_flash_config(size);
 	show_boot_progress(0x24);
+#endif
 
 	show_boot_progress(0x25);
 
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index a21a21f..fc6a359 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -34,7 +34,7 @@
 /*cmd_boot.c*/
 int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
 {
-	void		*base_ptr;
+	void		*base_ptr = NULL;
 	ulong		os_data, os_len;
 	image_header_t	*hdr;
 
@@ -72,8 +72,10 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 		goto error;
 	}
 
+#ifdef CONFIG_CMD_ZBOOT
 	base_ptr = load_zimage ((void*)os_data, os_len,
 			images->rd_start, images->rd_end - images->rd_start, 0);
+#endif
 
 	if (NULL == base_ptr) {
 		printf ("## Kernel loading failed ...\n");
diff --git a/arch/x86/lib/pci.c b/arch/x86/lib/pci.c
index 593a7db..077a3f7 100644
--- a/arch/x86/lib/pci.c
+++ b/arch/x86/lib/pci.c
@@ -148,3 +148,40 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 
 	return res;
 }
+
+#ifdef PCI_BIOS_DEBUG
+#define RELOC_16(seg, off) *(u32*)(seg << 4 | (u32)&off)
+extern u32 num_pci_bios_present;
+extern u32 num_pci_bios_find_device;
+extern u32 num_pci_bios_find_class;
+extern u32 num_pci_bios_generate_special_cycle;
+extern u32 num_pci_bios_read_cfg_byte;
+extern u32 num_pci_bios_read_cfg_word;
+extern u32 num_pci_bios_read_cfg_dword;
+extern u32 num_pci_bios_write_cfg_byte;
+extern u32 num_pci_bios_write_cfg_word;
+extern u32 num_pci_bios_write_cfg_dword;
+extern u32 num_pci_bios_get_irq_routing;
+extern u32 num_pci_bios_set_irq;
+extern u32 num_pci_bios_unknown_function;
+
+void print_bios_bios_stat(void)
+{
+	printf("16 bit functions:\n");
+	printf("pci_bios_present:                %d\n", RELOC_16(0xf000, num_pci_bios_present));
+	printf("pci_bios_find_device:            %d\n", RELOC_16(0xf000, num_pci_bios_find_device));
+	printf("pci_bios_find_class:             %d\n", RELOC_16(0xf000, num_pci_bios_find_class));
+	printf("pci_bios_generate_special_cycle: %d\n", RELOC_16(0xf000, num_pci_bios_generate_special_cycle));
+	printf("pci_bios_read_cfg_byte:          %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_byte));
+	printf("pci_bios_read_cfg_word:          %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_word));
+	printf("pci_bios_read_cfg_dword:         %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_dword));
+	printf("pci_bios_write_cfg_byte:         %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_byte));
+	printf("pci_bios_write_cfg_word:         %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_word));
+	printf("pci_bios_write_cfg_dword:        %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_dword));
+	printf("pci_bios_get_irq_routing:        %d\n", RELOC_16(0xf000, num_pci_bios_get_irq_routing));
+	printf("pci_bios_set_irq:                %d\n", RELOC_16(0xf000, num_pci_bios_set_irq));
+	printf("pci_bios_unknown_function:       %d\n", RELOC_16(0xf000, num_pci_bios_unknown_function));
+
+}
+#endif
+
diff --git a/arch/x86/lib/video_bios.c b/arch/x86/lib/video_bios.c
index 7574f77..9d87280 100644
--- a/arch/x86/lib/video_bios.c
+++ b/arch/x86/lib/video_bios.c
@@ -38,46 +38,6 @@
 #define PRINTF(fmt,args...)
 #endif
 
-#ifdef CONFIG_PCI
-
-#ifdef PCI_BIOS_DEBUG
-#define RELOC_16(seg, off) *(u32*)(seg << 4 | (u32)&off)
-extern u32 num_pci_bios_present;
-extern u32 num_pci_bios_find_device;
-extern u32 num_pci_bios_find_class;
-extern u32 num_pci_bios_generate_special_cycle;
-extern u32 num_pci_bios_read_cfg_byte;
-extern u32 num_pci_bios_read_cfg_word;
-extern u32 num_pci_bios_read_cfg_dword;
-extern u32 num_pci_bios_write_cfg_byte;
-extern u32 num_pci_bios_write_cfg_word;
-extern u32 num_pci_bios_write_cfg_dword;
-extern u32 num_pci_bios_get_irq_routing;
-extern u32 num_pci_bios_set_irq;
-extern u32 num_pci_bios_unknown_function;
-
-void print_bios_bios_stat(void)
-{
-	printf("16 bit functions:\n");
-	printf("pci_bios_present:                %d\n", RELOC_16(0xf000, num_pci_bios_present));
-	printf("pci_bios_find_device:            %d\n", RELOC_16(0xf000, num_pci_bios_find_device));
-	printf("pci_bios_find_class:             %d\n", RELOC_16(0xf000, num_pci_bios_find_class));
-	printf("pci_bios_generate_special_cycle: %d\n", RELOC_16(0xf000, num_pci_bios_generate_special_cycle));
-	printf("pci_bios_read_cfg_byte:          %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_byte));
-	printf("pci_bios_read_cfg_word:          %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_word));
-	printf("pci_bios_read_cfg_dword:         %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_dword));
-	printf("pci_bios_write_cfg_byte:         %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_byte));
-	printf("pci_bios_write_cfg_word:         %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_word));
-	printf("pci_bios_write_cfg_dword:        %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_dword));
-	printf("pci_bios_get_irq_routing:        %d\n", RELOC_16(0xf000, num_pci_bios_get_irq_routing));
-	printf("pci_bios_set_irq:                %d\n", RELOC_16(0xf000, num_pci_bios_set_irq));
-	printf("pci_bios_unknown_function:       %d\n", RELOC_16(0xf000, num_pci_bios_unknown_function));
-
-}
-#endif
-
-#ifdef CONFIG_VIDEO
-
 #define PCI_CLASS_VIDEO             3
 #define PCI_CLASS_VIDEO_STD         0
 #define PCI_CLASS_VIDEO_PROG_IF_VGA 0
@@ -218,5 +178,3 @@ int video_bios_init(void)
 	return 1;
 
 }
-#endif
-#endif
diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
index 688b238..6c48594 100644
--- a/common/cmd_bdinfo.c
+++ b/common/cmd_bdinfo.c
@@ -31,7 +31,8 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static void print_num(const char *, ulong);
 
-#if !(defined(CONFIG_ARM) || defined(CONFIG_M68K) || defined(CONFIG_SANDBOX)) \
+#if !(defined(CONFIG_ARM) || defined(CONFIG_M68K) || \
+	defined(CONFIG_SANDBOX) || defined(CONFIG_X86)) \
 	|| defined(CONFIG_CMD_NET)
 #define HAVE_PRINT_ETH
 static void print_eth(int idx);
diff --git a/include/configs/eNET.h b/include/configs/eNET.h
index 70c74f6..d5c9cad 100644
--- a/include/configs/eNET.h
+++ b/include/configs/eNET.h
@@ -105,6 +105,7 @@
 #define CONFIG_CMD_SETGETDCR
 #define CONFIG_CMD_SOURCE
 #define CONFIG_CMD_XIMG
+#define CONFIG_CMD_ZBOOT
 
 #define CONFIG_BOOTDELAY			15
 #define CONFIG_BOOTARGS				"root=/dev/mtdblock0 console=ttyS0,9600"
@@ -153,6 +154,10 @@
 #undef  CONFIG_SYS_GENERIC_TIMER
 #define CONFIG_SYS_PCAT_INTERRUPTS
 #define CONFIG_SYS_NUM_IRQS			16
+#define CONFIG_SYS_PC_BIOS
+#define CONFIG_SYS_PCI_BIOS
+#define CONFIG_SYS_X86_REALMODE
+#define CONFIG_SYS_X86_ISR_TIMER
 
 /*-----------------------------------------------------------------------
  * Memory organization:
diff --git a/include/serial.h b/include/serial.h
index 5926244..8396e61 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -31,7 +31,7 @@ extern struct serial_device * default_serial_console (void);
     defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \
     defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
     defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
-    defined(CONFIG_TEGRA2)
+    defined(CONFIG_SYS_E660) || defined(CONFIG_TEGRA2)
 extern struct serial_device serial0_device;
 extern struct serial_device serial1_device;
 #if defined(CONFIG_SYS_NS16550_SERIAL)
-- 
1.7.5.2.317.g391b14



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