diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 15:15:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 15:15:25 -0700 |
commit | 4e76c5ccd5ac9bd003467d3bb0f49b18572dd4cd (patch) | |
tree | 1c1b58b1964fec04ae7f830b53a47f1693993135 /arch/xtensa/platforms/s6105/setup.c | |
parent | b983471794e568fd71fa767da77a62ba517c3e63 (diff) | |
parent | 65127d28e312bb6b38ce84a7bb71d762ef63ad4c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: (21 commits)
xtensa: we don't need to include asm/io.h
xtensa: only build platform or variant if they contain a Makefile
xtensa: make startup code discardable
xtensa: ccount clocksource
xtensa: remove platform rtc hooks
xtensa: use generic sched_clock()
xtensa: platform: s6105
xtensa: let platform override KERNELOFFSET
xtensa: s6000 variant
xtensa: s6000 variant core definitions
xtensa: variant irq set callbacks
xtensa: variant-specific code
xtensa: nommu support
xtensa: add flat support
xtensa: enforce slab alignment to maximum register width
xtensa: cope with ram beginning at higher addresses
xtensa: don't make bootmem bitmap larger than required
xtensa: fix init_bootmem_node() argument order
xtensa: use correct stack pointer for stack traces
xtensa: beat Kconfig into shape
...
Diffstat (limited to 'arch/xtensa/platforms/s6105/setup.c')
-rw-r--r-- | arch/xtensa/platforms/s6105/setup.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/xtensa/platforms/s6105/setup.c b/arch/xtensa/platforms/s6105/setup.c new file mode 100644 index 00000000000..ae041d5027a --- /dev/null +++ b/arch/xtensa/platforms/s6105/setup.c @@ -0,0 +1,61 @@ +/* + * s6105 control routines + * + * Copyright (c) 2009 emlix GmbH + */ +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <asm/bootparam.h> + +#include <variant/hardware.h> +#include <platform/gpio.h> + +void platform_halt(void) +{ + local_irq_disable(); + while (1) + ; +} + +void platform_power_off(void) +{ + platform_halt(); +} + +void platform_restart(void) +{ + platform_halt(); +} + +void __init platform_setup(char **cmdline) +{ + unsigned long reg; + + reg = readl(S6_REG_GREG1 + S6_GREG1_CLKGATE); + reg &= ~(1 << S6_GREG1_BLOCK_SB); + writel(reg, S6_REG_GREG1 + S6_GREG1_CLKGATE); + + reg = readl(S6_REG_GREG1 + S6_GREG1_BLOCKENA); + reg |= 1 << S6_GREG1_BLOCK_SB; + writel(reg, S6_REG_GREG1 + S6_GREG1_BLOCKENA); + + printk(KERN_NOTICE "S6105 on Stretch S6000 - " + "Copyright (C) 2009 emlix GmbH <info@emlix.com>\n"); +} + +void __init platform_init(bp_tag_t *first) +{ + gpio_request(GPIO_LED1_NGREEN, "led1_green"); + gpio_request(GPIO_LED1_RED, "led1_red"); + gpio_direction_output(GPIO_LED1_NGREEN, 1); +} + +void platform_heartbeat(void) +{ + static unsigned int c; + + if (!(++c & 0x4F)) + gpio_direction_output(GPIO_LED1_RED, !(c & 0x10)); +} |