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| author | Cyril Chemparathy <cyril@ti.com> | 2012-01-19 18:32:30 -0500 |
|---|---|---|
| committer | Cyril Chemparathy <cyril@ti.com> | 2012-09-21 10:44:05 -0400 |
| commit | cbf7672f21f6828694ae75177ab563ff2ef6bd25 (patch) | |
| tree | ec5ece5b1f23cf37d64d7e5c057b5c9178b7017c | |
| parent | 5e3977384086281f967b977ff395a338b8682cbc (diff) | |
| download | linux-keystone-cbf7672f21f6828694ae75177ab563ff2ef6bd25.tar.gz | |
tci6614: add hardware semaphore device
This patch adds device definitions for the hardware semaphore.
| -rw-r--r-- | arch/arm/mach-davinci/devices-tci6614.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/devices-tci6614.c b/arch/arm/mach-davinci/devices-tci6614.c index 4b15b7577f7810..a97f48494af3a9 100644 --- a/arch/arm/mach-davinci/devices-tci6614.c +++ b/arch/arm/mach-davinci/devices-tci6614.c @@ -18,6 +18,7 @@ #include <linux/dma-mapping.h> #include <linux/clk.h> #include <linux/slab.h> +#include <linux/hwspinlock.h> #include <mach/common.h> #include <mach/irqs.h> @@ -33,6 +34,7 @@ #define TCI6614_WDOG_BASE 0x02280000 #define TCI6614_I2C_BASE 0x02530000 #define TCI6614_SPI_BASE 0x20BF0000 +#define TCI6614_SEM_BASE 0x02640000 #define TCI6614_ASYNC_EMIF_CNTRL_BASE 0x20C00000 #define TCI6614_ASYNC_EMIF_DATA_CE0_BASE 0x70000000 #define TCI6614_ASYNC_EMIF_DATA_CE1_BASE 0x74000000 @@ -157,6 +159,26 @@ struct platform_device tci6614_wdt_device = { .resource = wdt_resources, }; +static struct hwspinlock_pdata sem_data = { + .base_id = 0, +}; + +static struct resource sem_resources[] = { + { + .start = TCI6614_SEM_BASE, + .end = TCI6614_SEM_BASE + 0x7ff, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device tci6614_sem_device = { + .name = "keystone_hwspinlock", + .id = -1, + .num_resources = ARRAY_SIZE(sem_resources), + .resource = sem_resources, + .dev.platform_data = &sem_data, +}; + static int __init nand_init(int chipsel, struct davinci_nand_pdata *data) { struct resource res[2]; @@ -206,6 +228,7 @@ void __init tci6614_devices_init(struct tci6614_device_info *info) davinci_serial_init(info->serial_config); platform_device_register(&tci6614_wdt_device); + platform_device_register(&tci6614_sem_device); for (i = 0; i < 4; i++) if (info->nand_config[i]) |