diff options
Diffstat (limited to 'arch/arm/mach-omap2/usb-tusb6010.c')
| -rw-r--r-- | arch/arm/mach-omap2/usb-tusb6010.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index c5a3c6f9504e..e832bc7b8e2d 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -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> @@ -26,6 +27,24 @@ 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, +}; /* NOTE: timings are from tusb 6010 datasheet Rev 1.8, 12-Sept 2006 */ @@ -37,8 +56,6 @@ static int tusb_set_async_mode(unsigned sysclk_ps) memset(&dev_t, 0, sizeof(dev_t)); - dev_t.mux = true; - dev_t.t_ceasu = 8 * 1000; dev_t.t_avdasu = t_acsnh_advnh - 7000; dev_t.t_ce_avd = 1000; @@ -52,7 +69,7 @@ static int tusb_set_async_mode(unsigned sysclk_ps) dev_t.t_wpl = 300; dev_t.cyc_aavdh_we = 1; - gpmc_calc_timings(&t, &dev_t); + gpmc_calc_timings(&t, &tusb_async, &dev_t); return gpmc_cs_set_timings(async_cs, &t); } @@ -65,10 +82,6 @@ static int tusb_set_sync_mode(unsigned sysclk_ps) memset(&dev_t, 0, sizeof(dev_t)); - dev_t.mux = true; - dev_t.sync_read = true; - dev_t.sync_write = true; - dev_t.clk = 11100; dev_t.t_bacc = 1000; dev_t.t_ces = 1000; @@ -84,7 +97,7 @@ static int tusb_set_sync_mode(unsigned sysclk_ps) dev_t.cyc_wpl = 6; dev_t.t_ce_rdyz = 7000; - gpmc_calc_timings(&t, &dev_t); + gpmc_calc_timings(&t, &tusb_sync, &dev_t); return gpmc_cs_set_timings(sync_cs, &t); } @@ -165,18 +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 *) @@ -186,21 +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"); |