static void __init n8x0_usb_init(void)
{
int ret = 0;
static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
/* PM companion chip power control pin */
ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
"TUSB6010 enable");
if (ret != 0) {
printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
TUSB6010_GPIO_ENABLE);
return;
}
tusb_set_power(0);
ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
if (ret != 0)
goto err;
printk(announce);
return;
err:
gpio_free(TUSB6010_GPIO_ENABLE);
}
void __init n800_usb_init(void)
{
int ret = 0;
static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
/* PM companion chip power control pin */
ret = omap_request_gpio(GPIO_TUSB_ENABLE);
if (ret != 0) {
printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
GPIO_TUSB_ENABLE);
return;
}
omap_set_gpio_direction(GPIO_TUSB_ENABLE, 0);
tusb_set_power(0);
ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
TUSB_ASYNC_CS, TUSB_SYNC_CS,
GPIO_TUSB_INT, 0x3f);
if (ret != 0)
goto err;
printk(announce);
return;
err:
omap_free_gpio(GPIO_TUSB_ENABLE);
}
static void __init tusb_evm_setup(void)
{
static char announce[] __initdata =
KERN_INFO "TUSB 6010 EVM\n";
int irq;
unsigned dmachan = 0;
/* There are at least 32 different combinations of boards that
* are loosely called "H4", with a 2420 ... different OMAP chip
* revisions (with pin mux changes for DMAREQ, GPMC errata, etc),
* modifications of the CPU board, mainboard, EVM, TUSB etc.
* Plus omap2422, omap2423, etc.
*
* So you might need to tweak this setup to make the TUSB EVM
* behave on your particular setup ...
*/
/* Already set up: GPMC AD[0..15], CLK, nOE, nWE, nADV_ALE */
omap_cfg_reg(E2_GPMC_NCS2);
omap_cfg_reg(L2_GPMC_NCS7);
omap_cfg_reg(M1_GPMC_WAIT2);
switch ((system_rev >> 8) & 0x0f) {
case 0: /* ES 1.0 */
case 1: /* ES 2.0 */
/* Assume early board revision without optional ES2.0
* rework to swap J15 & AA10 so DMAREQ0 works
*/
omap_cfg_reg(AA10_242X_GPIO13);
irq = 13;
/* omap_cfg_reg(J15_24XX_DMAREQ0); */
break;
default:
/* Later Menelaus boards can support all 6 DMA request
* lines, at the price of boot flash A23-A26.
*/
omap_cfg_reg(J15_24XX_GPIO99);
irq = 99;
dmachan = (1 << 1) | (1 << 0);
#if !(defined(CONFIG_MTD_OMAP_NOR) || defined(CONFIG_MTD_OMAP_NOR_MODULE))
dmachan |= (1 << 5) | (1 << 4) (1 << 3) | (1 << 2);
#endif
break;
}
if (tusb6010_setup_interface(&tusb_data,
TUSB6010_REFCLK_24, /* waitpin */ 2,
/* async cs */ 2, /* sync cs */ 7,
irq, dmachan) == 0)
printk(announce);
}
