mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2025-04-21 12:27:27 +03:00
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
101
target/linux/etrax/patches/cris/016-auto-detect-ram.patch
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101
target/linux/etrax/patches/cris/016-auto-detect-ram.patch
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@@ -0,0 +1,101 @@
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diff -urN linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings.S /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S
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--- linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings.S 2007-06-01 00:37:57.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S 2007-06-01 00:34:55.000000000 +0200
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@@ -62,3 +62,5 @@
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.dword 0 ; No more register values
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.ascii "ACME_PART_MAGIC" ; Magic number
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.dword 0xdeadc0de
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+ .ascii "ACME_RAM_MAGIC" ; Magic number
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+ .dword 0x2000000
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diff -urN linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_416.S /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S
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--- linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_416.S 2007-06-01 00:37:57.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S 2007-06-01 00:34:55.000000000 +0200
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@@ -62,3 +62,5 @@
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.dword 0 ; No more register values
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.ascii "ACME_PART_MAGIC" ; Magic number
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.dword 0xdeadc0de
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+ .ascii "ACME_RAM_MAGIC" ; Magic number
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+ .dword 0x1000000
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diff -urN linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_816.S /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S
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--- linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_816.S 2007-06-01 00:37:57.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S 2007-06-01 00:34:55.000000000 +0200
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@@ -62,3 +62,5 @@
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.dword 0 ; No more register values
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.ascii "ACME_PART_MAGIC" ; Magic number
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.dword 0xdeadc0de
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+ .ascii "ACME_RAM_MAGIC" ; Magic number
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+ .dword 0x1000000
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diff -urN linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_832.S /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S
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--- linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_832.S 2007-06-01 00:37:57.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S 2007-06-01 00:34:55.000000000 +0200
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@@ -62,3 +62,5 @@
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.dword 0 ; No more register values
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.ascii "ACME_PART_MAGIC" ; Magic number
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.dword 0xdeadc0de
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+ .ascii "ACME_RAM_MAGIC" ; Magic number
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+ .dword 0x2000000
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diff -urN linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S
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--- linux-2.6.19.2//arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 2007-06-01 00:37:57.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 2007-06-01 00:34:55.000000000 +0200
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@@ -62,3 +62,5 @@
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.dword 0 ; No more register values
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.ascii "ACME_PART_MAGIC" ; Magic number
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.dword 0xdeadc0de
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+ .ascii "ACME_RAM_MAGIC" ; Magic number
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+ .dword 0x1000000
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--- linux-2.6.19.2//arch/cris/kernel/setup.c 2007-06-01 00:37:55.000000000 +0200
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+++ /tmp/linux-2.6.19.2/arch/cris/kernel/setup.c 2007-06-01 00:34:55.000000000 +0200
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@@ -55,6 +55,13 @@
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* boot code and the system.
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*
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*/
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+#ifdef CONFIG_CRIS_LOW_MAP
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+#define FLASH_UNCACHED_ADDR KSEG_8
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+#define FLASH_CACHED_ADDR KSEG_5
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+#else
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+#define FLASH_UNCACHED_ADDR KSEG_E
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+#define FLASH_CACHED_ADDR KSEG_F
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+#endif
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void __init
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setup_arch(char **cmdline_p)
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@@ -63,15 +70,37 @@
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unsigned long bootmap_size;
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unsigned long start_pfn, max_pfn;
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unsigned long memory_start;
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-
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+ unsigned int ram_size = 0;
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+ unsigned char *flash_mem = (unsigned char*)(FLASH_CACHED_ADDR);
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+ unsigned int ram_scan_count = 0;
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+ const char *ram_magic = "ACME_RAM_MAGIC";
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+ unsigned int magic_len = strlen(ram_magic);
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+ unsigned long dend;
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/* register an initial console printing routine for printk's */
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init_etrax_debug();
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/* we should really poll for DRAM size! */
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+ printk(KERN_INFO "Determinig RAM size\n");
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+ for(ram_scan_count = 0; ram_scan_count < 100000; ram_scan_count++){
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+ if(strncmp(&flash_mem[ram_scan_count], ram_magic, magic_len - 1) == 0){
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+ ram_size = flash_mem[ram_scan_count + magic_len ];
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+ ram_size <<= 8;
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+ ram_size += flash_mem[ram_scan_count + magic_len + 2];
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+ ram_size <<= 8;
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+ ram_size += flash_mem[ram_scan_count + magic_len + 1];
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+ ram_size <<= 8;
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+ ram_size += flash_mem[ram_scan_count + magic_len + 3];
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+ printk(KERN_INFO "RAM size is %uMB\n", 16 * ram_size);
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+ ram_scan_count = 1100000;
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+ }
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+ }
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high_memory = &dram_end;
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-
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+ dend = dram_start + 16 * 1024 * 1024 * ram_size;
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+ if(ram_size == 1){
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+ high_memory = 0xc1000000;
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+ }
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if(romfs_in_flash || !romfs_length) {
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/* if we have the romfs in flash, or if there is no rom filesystem,
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* our free area starts directly after the BSS
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