diff options
author | Michael-Luke Jones <mlj28@cam.ac.uk> | 2007-05-23 22:38:45 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-26 10:09:39 +0100 |
commit | 435c5da00b9610f9664c5d6f38dfdafce419ef4a (patch) | |
tree | 1ed1653334c91ef355f2a89974c3dc19802bad36 | |
parent | e87a8e85e90660183d3ef8e700627689c6292a3f (diff) | |
download | talos-obmc-linux-435c5da00b9610f9664c5d6f38dfdafce419ef4a.tar.gz talos-obmc-linux-435c5da00b9610f9664c5d6f38dfdafce419ef4a.zip |
[ARM] 4405/1: NSLU2, DSM-G600 frequency fixup code
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>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/dsmg600-setup.c | 24 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-setup.c | 18 | ||||
-rw-r--r-- | include/asm-arm/arch-ixp4xx/platform.h | 1 |
4 files changed, 32 insertions, 13 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 64685da1462d..8112f726ffa0 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -283,7 +283,7 @@ static struct irqaction ixp4xx_timer_irq = { .handler = ixp4xx_timer_interrupt, }; -static void __init ixp4xx_timer_init(void) +void __init ixp4xx_timer_init(void) { /* Reset/disable counter */ *IXP4XX_OSRT1 = 0; diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c index 1caff65e22cc..1e75e105c4f7 100644 --- a/arch/arm/mach-ixp4xx/dsmg600-setup.c +++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c @@ -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 @@ static void dsmg600_power_off(void) 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 @@ static void __init dsmg600_init(void) #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 diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index 162c266e5f8f..1aa45a2e6d62 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -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 @@ static void nslu2_power_off(void) 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 @@ MACHINE_START(NSLU2, "Linksys NSLU2") .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 diff --git a/include/asm-arm/arch-ixp4xx/platform.h b/include/asm-arm/arch-ixp4xx/platform.h index ab194e5f6653..2a44d3d67980 100644 --- a/include/asm-arm/arch-ixp4xx/platform.h +++ b/include/asm-arm/arch-ixp4xx/platform.h @@ -113,6 +113,7 @@ extern unsigned long ixp4xx_timer_freq; 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; |