diff options
Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.15/94-loft-setup.patch')
| -rw-r--r-- | packages/linux/ixp4xx-kernel/2.6.15/94-loft-setup.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.15/94-loft-setup.patch b/packages/linux/ixp4xx-kernel/2.6.15/94-loft-setup.patch deleted file mode 100644 index 9114f3cddd..0000000000 --- a/packages/linux/ixp4xx-kernel/2.6.15/94-loft-setup.patch +++ /dev/null @@ -1,87 +0,0 @@ -Include a fixup machine start function in the loft part of -ixdp425-setup.c to handle the command line and memory setup -parameters which are not specifiable in the boot loader. - -Signed-off-by: John Bowler <jbowler@acm.org> - - ---- linux-2.6.15/arch/arm/mach-ixp4xx/ixdp425-setup.c 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.15/arch/arm/mach-ixp4xx/ixdp425-setup.c 1970-01-01 00:00:00.000000000 +0000 -@@ -191,8 +191,8 @@ MACHINE_END - /* - * Loft is functionally equivalent to Avila except that it has a - * different number for the maximum PCI devices. The MACHINE -- * structure below is identical to Avila except for the and -- * the use of a loft specific init. -+ * structure below is derived from the Avila one (and may, in -+ * fact, be useful on Avila in general). - * - * The loft init registers a notifier on the on-board EEPROM to - * detect the MAC addresses. -@@ -201,6 +201,58 @@ MACHINE_END - */ - #ifdef CONFIG_MACH_LOFT - /* -+ * Loft bootstrap may pass in parameters, if these contain an -+ * ATAG_MEM and it appears valid (not the 16MByte one in the -+ * setup/kernel.c default) we use it, otherwise a 64MByte -+ * setting is forced here, this may be overridden on the -+ * command line. -+ */ -+static void __init loft_fixup(struct machine_desc *desc, -+ struct tag *tags, char **cmdline, struct meminfo *mi) -+{ -+ char saved_command_line[COMMAND_LINE_SIZE]; -+ /* Put Loft specific known-required-for-certain stuff here, leave -+ * a trailing space! -+ */ -+ static char loft_command_line[] = -+ "root=/dev/mtdblock2 rw rootfstype=jffs2 init=/linuxrc " -+ "rtc-ds1672.probe=0,0x68 rtc-ds1672.hctosys=1 "; -+ const int len = (sizeof loft_command_line)-1; -+ int memtag = 0; -+ -+ /* The Loft typically has one bank of 64MByte memory. -+ * NOTE: setting nr_banks != 0 causes kernel/setup.c to remove -+ * the mem tags from the tag list, so if there is an entry -+ * there don't remove it! -+ */ -+ if (tags->hdr.tag == ATAG_CORE) do { -+ tags = tag_next(tags); -+ printk(KERN_NOTICE "ATAG[0x%x] size %d\n", tags->hdr.tag, tags->hdr.size); -+ if (tags->hdr.tag == ATAG_MEM && tags->hdr.size == tag_size(tag_mem32) && -+ (tags->u.mem.start != 0 || tags->u.mem.size != (16*1024*1024))) { -+ memtag = 1; -+ printk(KERN_NOTICE " ATAG_MEM base %lx size %lx\n", -+ tags->u.mem.start, tags->u.mem.size); -+ } -+ } while (tags->hdr.size); -+ -+ if (!memtag) { -+ mi->nr_banks=1; -+ mi->bank[0].start = 0; -+ mi->bank[0].size = (64*1024*1024); -+ mi->bank[0].node = PHYS_TO_NID(0); -+ } -+ -+ /* A command line in the ATAG list will override this one, -+ * as is intended. -+ */ -+ memcpy(saved_command_line, *cmdline, COMMAND_LINE_SIZE); -+ memcpy(*cmdline, loft_command_line, len); -+ memcpy(*cmdline + len, saved_command_line, COMMAND_LINE_SIZE - len); -+ *cmdline[COMMAND_LINE_SIZE-1] = 0; -+} -+ -+/* - * When the EEPROM is added the MAC address are read from it. - */ - static void loft_eeprom_add(int address, int kind, struct kobject *kobj, -@@ -252,6 +304,7 @@ MACHINE_START(LOFT, "Giant Shoulder Inc - .phys_ram = PHYS_OFFSET, - .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, - .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, -+ .fixup = loft_fixup, - .map_io = ixp4xx_map_io, - .init_irq = ixp4xx_init_irq, - .timer = &ixp4xx_timer, |