diff options
Diffstat (limited to 'target/linux/ixp4xx/patches/070-ixp4xx_freq_fixup.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches/070-ixp4xx_freq_fixup.patch | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches/070-ixp4xx_freq_fixup.patch b/target/linux/ixp4xx/patches/070-ixp4xx_freq_fixup.patch new file mode 100644 index 000000000..5b406a7bc --- /dev/null +++ b/target/linux/ixp4xx/patches/070-ixp4xx_freq_fixup.patch @@ -0,0 +1,131 @@ +This patch is required as the frequency fixup in nslu2_init does not +run sufficiently early in the boot sequence to take effect. In +addition the dsmg600 setup code behaviour has been improved such +that a 'fixup' routine is avoided. + +Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk> + +Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c +=================================================================== +--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/nslu2-setup.c 2007-05-07 12:05:40.000000000 -0700 ++++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c 2007-05-07 12:15:56.000000000 -0700 +@@ -22,6 +22,7 @@ + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/mach/flash.h> ++#include <asm/mach/time.h> + + static struct flash_platform_data nslu2_flash_data = { + .map_name = "cfi_probe", +@@ -157,10 +158,21 @@ + gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH); + } + +-static void __init nslu2_init(void) ++static void __init nslu2_timer_init(void) + { +- ixp4xx_timer_freq = NSLU2_FREQ; ++ /* The xtal on this machine is non-standard. */ ++ ixp4xx_timer_freq = NSLU2_FREQ; ++ ++ /* Call standard timer_init function. */ ++ ixp4xx_timer_init(); ++} + ++static struct sys_timer nslu2_timer = { ++ .init = nslu2_timer_init, ++}; ++ ++static void __init nslu2_init(void) ++{ + ixp4xx_sys_init(); + + nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); +@@ -185,6 +197,6 @@ + .boot_params = 0x00000100, + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, +- .timer = &ixp4xx_timer, ++ .timer = &nslu2_timer, + .init_machine = nslu2_init, + MACHINE_END +Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/common.c +=================================================================== +--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/common.c 2007-05-07 12:05:40.000000000 -0700 ++++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/common.c 2007-05-07 12:15:16.000000000 -0700 +@@ -269,7 +269,7 @@ + .handler = ixp4xx_timer_interrupt, + }; + +-static void __init ixp4xx_timer_init(void) ++void __init ixp4xx_timer_init(void) + { + /* Clear Pending Interrupt by writing '1' to it */ + *IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND; +Index: linux-2.6.21-arm/include/asm-arm/arch-ixp4xx/platform.h +=================================================================== +--- linux-2.6.21-arm.orig/include/asm-arm/arch-ixp4xx/platform.h 2007-05-07 12:05:40.000000000 -0700 ++++ linux-2.6.21-arm/include/asm-arm/arch-ixp4xx/platform.h 2007-05-07 12:15:16.000000000 -0700 +@@ -113,6 +113,7 @@ + extern void ixp4xx_map_io(void); + extern void ixp4xx_init_irq(void); + extern void ixp4xx_sys_init(void); ++extern void ixp4xx_timer_init(void); + extern struct sys_timer ixp4xx_timer; + extern void ixp4xx_pci_preinit(void); + struct pci_sys_data; +Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c +=================================================================== +--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 12:05:42.000000000 -0700 ++++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c 2007-05-07 12:16:07.000000000 -0700 +@@ -18,6 +18,7 @@ + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/mach/flash.h> ++#include <asm/mach/time.h> + + static struct flash_platform_data dsmg600_flash_data = { + .map_name = "cfi_probe", +@@ -128,6 +129,19 @@ + gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH); + } + ++static void __init dsmg600_timer_init(void) ++{ ++ /* The xtal on this machine is non-standard. */ ++ ixp4xx_timer_freq = DSMG600_FREQ; ++ ++ /* Call standard timer_init function. */ ++ ixp4xx_timer_init(); ++} ++ ++static struct sys_timer dsmg600_timer = { ++ .init = dsmg600_timer_init, ++}; ++ + static void __init dsmg600_init(void) + { + ixp4xx_sys_init(); +@@ -155,21 +169,13 @@ + #endif + } + +-static void __init dsmg600_fixup(struct machine_desc *desc, +- struct tag *tags, char **cmdline, struct meminfo *mi) +-{ +- /* The xtal on this machine is non-standard. */ +- ixp4xx_timer_freq = DSMG600_FREQ; +-} +- + MACHINE_START(DSMG600, "D-Link DSM-G600 RevA") + /* Maintainer: www.nslu2-linux.org */ + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, + .boot_params = 0x00000100, +- .fixup = dsmg600_fixup, + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, +- .timer = &ixp4xx_timer, ++ .timer = &dsmg600_timer, + .init_machine = dsmg600_init, + MACHINE_END |