leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: OMAP2+: Convert TUSB to use gpmc_cs_program_settings()

Browse Source 
Convert the OMAP2+ TUSB code to use the gpmc_cs_program_settings()
function for configuring the various GPMC options instead of directly
programming the CONFIG1 register.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
This commit is contained in:
Jon Hunter 2013-02-21 13:01:47 -06:00
parent 1119f3c3ce
commit 012e338625
1 changed files with 19 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
arch/arm/mach-omap2/usb-tusb6010.c
View File

@ -8,6 +8,7 @@
* published by the Free Software Foundation.
*/
#include <linux/err.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/errno.h>
@ -27,12 +28,21 @@ static u8 async_cs, sync_cs;
static unsigned refclk_psec;
static struct gpmc_settings tusb_async = {
.wait_on_read = true,
.wait_on_write = true,
.device_width = GPMC_DEVWIDTH_16BIT,
.mux_add_data = GPMC_MUX_AD,
};
static struct gpmc_settings tusb_sync = {
.burst_read = true,
.burst_write = true,
.sync_read = true,
.sync_write = true,
.wait_on_read = true,
.wait_on_write = true,
.burst_len = GPMC_BURST_16,
.device_width = GPMC_DEVWIDTH_16BIT,
.mux_add_data = GPMC_MUX_AD,
};
@ -168,18 +178,12 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data,
return status;
}
tusb_resources[0].end = tusb_resources[0].start + 0x9ff;
tusb_async.wait_pin = waitpin;
async_cs = async;
gpmc_cs_write_reg(async, GPMC_CS_CONFIG1,
GPMC_CONFIG1_PAGE_LEN(2)
| GPMC_CONFIG1_WAIT_READ_MON
| GPMC_CONFIG1_WAIT_WRITE_MON
| GPMC_CONFIG1_WAIT_PIN_SEL(waitpin)
| GPMC_CONFIG1_READTYPE_ASYNC
| GPMC_CONFIG1_WRITETYPE_ASYNC
| GPMC_CONFIG1_DEVICESIZE_16
| GPMC_CONFIG1_DEVICETYPE_NOR
| GPMC_CONFIG1_MUXADDDATA);
status = gpmc_cs_program_settings(async_cs, &tusb_async);
if (status < 0)
return status;
/* SYNC region, primarily for DMA */
status = gpmc_cs_request(sync, SZ_16M, (unsigned long *)
@ -189,21 +193,12 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data,
return status;
}
tusb_resources[1].end = tusb_resources[1].start + 0x9ff;
tusb_sync.wait_pin = waitpin;
sync_cs = sync;
gpmc_cs_write_reg(sync, GPMC_CS_CONFIG1,
GPMC_CONFIG1_READMULTIPLE_SUPP
| GPMC_CONFIG1_READTYPE_SYNC
| GPMC_CONFIG1_WRITEMULTIPLE_SUPP
| GPMC_CONFIG1_WRITETYPE_SYNC
| GPMC_CONFIG1_PAGE_LEN(2)
| GPMC_CONFIG1_WAIT_READ_MON
| GPMC_CONFIG1_WAIT_WRITE_MON
| GPMC_CONFIG1_WAIT_PIN_SEL(waitpin)
| GPMC_CONFIG1_DEVICESIZE_16
| GPMC_CONFIG1_DEVICETYPE_NOR
| GPMC_CONFIG1_MUXADDDATA
/* fclk divider gets set later */
);
status = gpmc_cs_program_settings(sync_cs, &tusb_sync);
if (status < 0)
return status;
/* IRQ */
status = gpio_request_one(irq, GPIOF_IN, "TUSB6010 irq");