/* west bridge device driver main init */
static int cyasdevice_initialize(void)
{
cyasdevice *cy_as_dev = 0;
int ret = 0;
int retval = 0;
cy_as_device_config config;
cy_as_hal_sleep_channel channel;
cy_as_get_firmware_version_data ver_data = {0};
const char *str = "";
int spin_lim;
const struct firmware *fw_entry;
cy_as_device_init_done = 0;
cy_as_misc_set_log_level(8);
cy_as_hal_print_message("<1>_cy_as_device initialize called\n");
if (cy_as_device_controller != 0) {
cy_as_hal_print_message("<1>_cy_as_device: the device "
"has already been initilaized. ignoring\n");
return -EBUSY;
}
/* cy_as_dev = CyAsHalAlloc (sizeof(cyasdevice), SLAB_KERNEL); */
cy_as_dev = cy_as_hal_alloc(sizeof(cyasdevice));
if (cy_as_dev == NULL) {
cy_as_hal_print_message("<1>_cy_as_device: "
"memory allocation failed\n");
return -ENOMEM;
}
memset(cy_as_dev, 0, sizeof(cyasdevice));
/* Init the HAL & CyAsDeviceHandle */
#ifdef CONFIG_MACH_OMAP3_WESTBRIDGE_AST_PNAND_HAL
/* start OMAP HAL init instsnce */
if (!start_o_m_a_p_kernel(dev_handle_name,
&(cy_as_dev->hal_tag), cy_false)) {
cy_as_hal_print_message(
"<1>_cy_as_device: start OMAP34xx HAL failed\n");
goto done;
}
#endif
/* Now create the device */
if (cy_as_misc_create_device(&(cy_as_dev->dev_handle),
cy_as_dev->hal_tag) != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message(
"<1>_cy_as_device: create device failed\n");
goto done;
}
memset(&config, 0, sizeof(config));
config.dmaintr = cy_true;
ret = cy_as_misc_configure_device(cy_as_dev->dev_handle, &config);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message(
"<1>_cy_as_device: configure device "
"failed. reason code: %d\n", ret);
goto done;
}
ret = cy_as_misc_register_callback(cy_as_dev->dev_handle,
cy_misc_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("<1>_cy_as_device: "
"cy_as_misc_register_callback failed. "
"reason code: %d\n", ret);
goto done;
}
ret = platform_driver_register(&west_bridge_driver);
if (unlikely(ret < 0))
return ret;
westbridge_pd = platform_device_register_simple(
"west_bridge_dev", -1, NULL, 0);
if (IS_ERR(westbridge_pd)) {
platform_driver_unregister(&west_bridge_driver);
return PTR_ERR(westbridge_pd);
}
/* Load the firmware */
ret = request_firmware(&fw_entry,
"west bridge fw", &westbridge_pd->dev);
if (ret) {
cy_as_hal_print_message("cy_as_device: "
"request_firmware failed return val = %d\n", ret);
} else {
cy_as_hal_print_message("cy_as_device: "
"got the firmware %d size=0x%x\n", ret, fw_entry->size);
ret = cy_as_misc_download_firmware(
cy_as_dev->dev_handle,
fw_entry->data,
fw_entry->size ,
0, 0);
}
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("<1>_cy_as_device: cannot download "
"firmware. reason code: %d\n", ret);
goto done;
}
/* spin until the device init is completed */
/* 50 -MAX wait time for the FW load & init
* to complete is 5sec*/
spin_lim = 50;
cy_as_hal_create_sleep_channel(&channel);
while (!cy_as_device_init_done) {
cy_as_hal_sleep_on(&channel, 100);
if (spin_lim-- <= 0) {
cy_as_hal_print_message(
"<1>\n_e_r_r_o_r!: "
"wait for FW init has timed out !!!");
break;
}
}
cy_as_hal_destroy_sleep_channel(&channel);
if (spin_lim > 0)
cy_as_hal_print_message(
"cy_as_device: astoria firmware is loaded\n");
ret = cy_as_misc_get_firmware_version(cy_as_dev->dev_handle,
&ver_data, 0, 0);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("<1>_cy_as_device: cannot get firmware "
"version. reason code: %d\n", ret);
goto done;
}
if ((ver_data.media_type & 0x01) && (ver_data.media_type & 0x06))
str = "nand and SD/MMC.";
else if ((ver_data.media_type & 0x01) && (ver_data.media_type & 0x08))
str = "nand and CEATA.";
else if (ver_data.media_type & 0x01)
str = "nand.";
else if (ver_data.media_type & 0x08)
str = "CEATA.";
else
str = "SD/MMC.";
cy_as_hal_print_message("<1> cy_as_device:_firmware version: %s "
"major=%d minor=%d build=%d,\n_media types supported:%s\n",
((ver_data.is_debug_mode) ? "debug" : "release"),
ver_data.major, ver_data.minor, ver_data.build, str);
spin_lock_init(&cy_as_dev->common_lock);
/* done now */
cy_as_device_controller = cy_as_dev;
return 0;
done:
if (cy_as_dev)
cyasdevice_deinit(cy_as_dev);
return -EINVAL;
}
/* west bridge device driver main init */
static int cyasdevice_initialize(void)
{
cyasdevice *cy_as_dev = 0;
int ret = 0;
int retval = 0;
cy_as_device_config config;
cy_as_hal_sleep_channel channel;
cy_as_get_firmware_version_data ver_data = {0};
const char *str = "";
int spin_lim;
const struct firmware *fw_entry;
cy_as_device_init_done = 0;
cy_as_misc_set_log_level(8);
cy_as_hal_print_message("<1>_cy_as_device initialize called\n");
if (cy_as_device_controller != 0) {
cy_as_hal_print_message("<1>_cy_as_device: the device "
"has already been initilaized. ignoring\n");
return -EBUSY;
}
/* cy_as_dev = CyAsHalAlloc (sizeof(cyasdevice), SLAB_KERNEL); */
cy_as_dev = cy_as_hal_alloc(sizeof(cyasdevice));
if (cy_as_dev == NULL) {
cy_as_hal_print_message("<1>_cy_as_device: "
"memory allocation failed\n");
return -ENOMEM;
}
memset(cy_as_dev, 0, sizeof(cyasdevice));
/* Init the HAL & CyAsDeviceHandle */
#ifdef CONFIG_MACH_OMAP3_WESTBRIDGE_AST_PNAND_HAL
/* start OMAP HAL init instsnce */
if (!start_o_m_a_p_kernel(dev_handle_name,
&(cy_as_dev->hal_tag), cy_false)) {
cy_as_hal_print_message(
"<1>_cy_as_device: start OMAP34xx HAL failed\n");
goto done;
}
#endif
#ifdef CONFIG_MACH_C110_WESTBRIDGE_AST_PNAND_HAL
/* start C110 HAL init instsnce */
if (!cy_as_hal_c110_pnand_start(dev_handle_name,
&(cy_as_dev->hal_tag), cy_false)) {
cy_as_hal_print_message("<1>_cy_as_device: start C110 HAL failed\n") ;
goto done;
}
#endif
/* Now create the device */
if (cy_as_misc_create_device(&(cy_as_dev->dev_handle),
cy_as_dev->hal_tag) != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message(
"<1>_cy_as_device: create device failed\n");
goto done;
}
memset(&config, 0, sizeof(config));
config.dmaintr = cy_true;
ret = cy_as_misc_configure_device(cy_as_dev->dev_handle, &config);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message(
"<1>_cy_as_device: configure device "
"failed. reason code: %d\n", ret);
goto done;
}
ret = cy_as_misc_register_callback(cy_as_dev->dev_handle,
cy_misc_callback);
if (ret != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("<1>_cy_as_device: "
"cy_as_misc_register_callback failed. "
"reason code: %d\n", ret);
goto done;
}
ret = platform_driver_register(&west_bridge_driver);
if (unlikely(ret < 0))
return ret;
westbridge_pd = platform_device_register_simple(
"west_bridge_dev", -1, NULL, 0);
if (IS_ERR(westbridge_pd)) {
cy_as_hal_print_message("[%s] error in register the platform\
driver for west bridge\n", __FUNCTION__);
platform_driver_unregister(&west_bridge_driver);
return PTR_ERR(westbridge_pd);
} else {
int cy_as_diagnostics(cy_as_diag_cmd_type mode, char *result)
{
uint32_t retVal = 0;
#ifdef __CYAS_SYSFS_FOR_DIAGNOSTICS__
cy_as_device_handle cyas_hd = cyasdevice_getdevhandle();
switch( mode )
{
case CY_AS_DIAG_GET_VERSION:
{
cy_as_get_firmware_version_data ver_data = {0};
const char *str = "" ;
cyasdevice_leave_standby();
retVal = cy_as_misc_get_firmware_version(cyas_hd, &ver_data, 0, 0) ;
if (retVal != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("cy_as_diagnostics: cannot get firmware version. reason code: %d\n", retVal) ;
sprintf( result, "fail - %d", retVal );
return retVal;
}
if ((ver_data.media_type & 0x01) && (ver_data.media_type & 0x06))
str = "nand and SD/MMC." ;
else if ((ver_data.media_type & 0x01) && (ver_data.media_type & 0x08))
str = "nand and CEATA." ;
else if (ver_data.media_type & 0x01)
str = "nand." ;
else if (ver_data.media_type & 0x08)
str = "CEATA." ;
else
str = "SD/MMC." ;
cyasdevice_enter_standby();
cy_as_hal_print_message("<1> cy_as_device:_firmware version: %s "
"major=%d minor=%d build=%d,\n_media types supported:%s\n",
((ver_data.is_debug_mode) ? "debug" : "release"),
ver_data.major, ver_data.minor, ver_data.build, str) ;
sprintf( result, "%d.%d.%d", ver_data.major, ver_data.minor, ver_data.build );
}
break;
case CY_AS_DIAG_DISABLE_MSM_SDIO:
break;
case CY_AS_DIAG_ENABLE_MSM_SDIO:
break;
case CY_AS_DIAG_ENTER_STANDBY:
cyasdevice_enter_standby();
break;
case CY_AS_DIAG_LEAVE_STANDBY:
cyasdevice_leave_standby();
break;
case CY_AS_DIAG_CREATE_BLKDEV:
retVal = cyasblkdev_blk_init(0, 0);
break;
case CY_AS_DIAG_DESTROY_BLKDEV:
cyasblkdev_blk_exit();
break;
case CY_AS_DIAG_SD_MOUNT:
{
int i;
uint32_t count = 0 ;
int bus = 1 ;
cy_as_storage_query_device_data dev_data ;
cy_as_storage_query_unit_data unit_data = {0} ;
cyasdevice_leave_standby();
actdata = (uint8_t *)cy_as_hal_alloc(CYASSTORAGE_MAX_XFER_SIZE);
expdata = (uint8_t *)cy_as_hal_alloc(CYASSTORAGE_MAX_XFER_SIZE);
cy_as_hal_mem_set(actdata, 0, CYASSTORAGE_MAX_XFER_SIZE);
cy_as_hal_mem_set(expdata, 0, CYASSTORAGE_MAX_XFER_SIZE);
retVal = cy_as_storage_device_control(cyas_hd, bus, 0, cy_true, cy_false, cy_as_storage_detect_SDAT_3, 0, 0) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR"ERROR: Cannot set Device control - Reason code %d\n", retVal) ;
return retVal;
}
// Start the storage API and get a handle to the device we are interested in.
retVal = cy_as_storage_start(cyas_hd,0,0) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR"ERROR: Cannot start storage stack - Reason code %d\n", retVal) ;
return retVal;
}
retVal = cy_as_storage_query_media(cyas_hd, cy_as_media_sd_flash, &count, 0, 0) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR"ERROR: Cannot query SD device count - Reason code %d\n", retVal) ;
return retVal;
}
if (!count)
{
cy_as_hal_print_message(KERN_ERR"ERROR: SD storage media was not found\n") ;
return retVal;
}
else
{
cy_as_hal_print_message(KERN_ERR"SUCCESS: %d SD device(s) found. SD_CLK, SD_CMD, and SD_D0 connected\n", count) ;
dev_data.bus = 1 ;
dev_data.device = 0 ;
retVal = cy_as_storage_query_device(cyas_hd, &dev_data, 0, 0 );
if(retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR"ERROR: Cannot query SD device count - Reason code %d\n", retVal) ;
return retVal;
}
else
{
#if 1 //skkm
retVal = cy_as_storage_change_sd_frequency(cyas_hd, bus, 0x11, 24, 0, 0);
if(retVal != CY_AS_ERROR_SUCCESS) {
cy_as_hal_print_message("%s: Cannot control cy_as_storage_change_sd_frequency - reason [%d]\n", __func__, retVal) ;
}
#endif
cy_as_hal_print_message(KERN_ERR"Checking for SD_WP Connectivity:\n");
if(dev_data.desc_p.writeable)
{
cy_as_hal_print_message(KERN_ERR" SD media is not write protected \n") ;
}
else
{
cy_as_hal_print_message(KERN_ERR" SD media is write protected %d\n", retVal) ;
}
unit_data.device = 0 ;
unit_data.unit = 0 ;
unit_data.bus = bus;
retVal = cy_as_storage_query_unit(cyas_hd,&unit_data, 0, 0) ;
if (retVal != CY_AS_ERROR_SUCCESS) {
#ifndef WESTBRIDGE_NDEBUG
cy_as_hal_print_message(KERN_INFO"%s: cannot query %d device unit - reason code %d\n",
__func__, unit_data.bus, retVal) ;
#endif
return retVal;
}
}
}
cy_as_hal_set_ep_dma_mode(4, false);
cy_as_hal_set_ep_dma_mode(8, false);
start_unit = unit_data.desc_p.unit_size - MAX_DRQ_LOOPS_IN_ISR*2;
for ( i = 0 ; i < CYASSTORAGE_MAX_XFER_SIZE ; i++ )
{
expdata[i] = i;
}
}
break;
case CY_AS_DIAG_SD_READ:
{
int i;
int bus = 1 ;
struct timespec mStartTime, mEndTime;
long second,nano;
long mDelta;
mStartTime = CURRENT_TIME;
retVal = cy_as_storage_read(cyas_hd, bus, 0, 0, start_unit, actdata, MAX_DRQ_LOOPS_IN_ISR) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR "ERROR: cannot read from block device - code %d\n", retVal) ;
break;
}
mEndTime = CURRENT_TIME;
second = mEndTime.tv_sec - mStartTime.tv_sec;
nano = mEndTime.tv_nsec - mStartTime.tv_nsec;
mDelta = (second*1000000) + nano/1000;
cy_as_hal_print_message("<1>%s: reading speed = %d KByte/s\n", __func__, (int)((CYASSTORAGE_MAX_XFER_SIZE*1000)/mDelta) ) ;
if ( memcmp(expdata, actdata, 2048) != 0 )
{
int errCnt = 0 ;
cy_as_hal_print_message(KERN_ERR "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n") ;
for ( i = 0 ; i < 2048 ; i++ )
{
if ( expdata[i] != actdata[i] )
{
cy_as_hal_print_message(KERN_ERR "EXP[%d]: 0x%02x\n",i, expdata[i]);
cy_as_hal_print_message(KERN_ERR "ACT[%d]: 0x%02x\n",i, actdata[i]);
errCnt++ ;
if ( errCnt > 10 )
{
break;
}
}
}
cy_as_hal_print_message(KERN_ERR "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n") ;
retVal = CY_AS_ERROR_INVALID_RESPONSE;
break;
}
else
{
cy_as_hal_print_message(KERN_ERR "success : storage test\n") ;
}
}
break;
case CY_AS_DIAG_SD_WRITE:
{
int i;
int bus = 1 ;
struct timespec mStartTime, mEndTime;
long second,nano;
long mDelta;
for ( i = 0 ; i < CYASSTORAGE_MAX_XFER_SIZE ; i++ )
{
expdata[i] = i;
}
mStartTime = CURRENT_TIME;
retVal = cy_as_storage_write(cyas_hd, bus, 0, 0, start_unit, expdata, MAX_DRQ_LOOPS_IN_ISR) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR "ERROR: cannot write to block device - code %d\n", retVal) ;
break;
}
mEndTime = CURRENT_TIME;
second = mEndTime.tv_sec - mStartTime.tv_sec;
nano = mEndTime.tv_nsec - mStartTime.tv_nsec;
mDelta = (second*1000000) + nano/1000;
cy_as_hal_print_message("<1>%s: writing speed = %d KByte/s\n", __func__, (int)((CYASSTORAGE_MAX_XFER_SIZE*1000)/mDelta) ) ;
}
break;
case CY_AS_DIAG_SD_UNMOUNT:
cy_as_hal_set_ep_dma_mode(4, true);
cy_as_hal_set_ep_dma_mode(8, true);
// Start the storage API and get a handle to the device we are interested in.
retVal = cy_as_storage_stop(cyas_hd,0,0) ;
if (retVal != CY_AS_ERROR_SUCCESS)
{
cy_as_hal_print_message(KERN_ERR"ERROR: Cannot stop storage stack - Reason code %d\n", retVal) ;
return retVal;
}
cy_as_hal_free(actdata);
cy_as_hal_free(expdata);
cyasdevice_enter_standby();
break;
#if 0
case CY_AS_DIAG_CONNECT_UMS:
cyasdevice_leave_standby();
//cyasblkdev_blk_exit();
cyasdevice_reload_firmware(0);
//CyAsHalSelUSBSwitch(1);
retVal = CyAsAPIUsbInit();
if (retVal)
{
cy_as_hal_print_message("%s: USB test failed.\n", __func__) ;
return 0;
}
else
{
msleep(1000);
cy_as_hal_print_message("%s: USB connected.\n", __func__) ;
}
cy_as_hal_print_message("%s: UMS MODE init done\n", __func__) ;
break;
case CY_AS_DIAG_DISCONNECT_UMS:
CyAsAPIUsbExit();
//CyAsHalSelUSBSwitch(0);
cy_as_hal_print_message("%s: UMS mode - close done\n", __func__) ;
cyasdevice_reload_firmware(1);
//cyasblkdev_blk_init(0, 0);
cyasdevice_enter_standby();
cy_as_hal_print_message("%s: reload F/W - close done\n", __func__) ;
break;
case CY_AS_DIAG_CONNECT_MTP:
cyasdevice_leave_standby();
//CyAsHalSelUSBSwitch(1);
cyasblkdev_blk_init(0, 0);
retVal = cy_as_gadget_init(1);
if (retVal)
{
cy_as_hal_print_message("%s: cy_as_gadget_init failed.\n", __func__) ;
}
else
{
cy_as_hal_print_message("%s: cy_as_gadget_init success\n", __func__) ;
}
cy_as_hal_print_message("%s: Start cy_as_gadget driver - init done\n", __func__) ;
break;
case CY_AS_DIAG_DISCONNECT_MTP:
cyasblkdev_blk_exit();
cy_as_gadget_cleanup();
//CyAsHalSelUSBSwitch(0);
cyasdevice_enter_standby();
cy_as_hal_print_message("%s: cy_as_gadget driver - close done\n", __func__) ;
break;
#endif
case CY_AS_DIAG_TEST_RESET_LOW:
//cy_as_hal_set_reset_pin(0);
cy_as_hal_print_message("%s: cy_as_hal_set_reset_pin - set LOW\n", __func__) ;
break;
case CY_AS_DIAG_TEST_RESET_HIGH:
//cy_as_hal_set_reset_pin(1);
cy_as_hal_print_message("%s: cy_as_hal_set_reset_pin - set HIGH\n", __func__) ;
break;
default:
cy_as_hal_print_message("%s: unkown mode \n", __func__) ;
break;
}
#endif
return retVal;
}
/*
* CyAsDmaStart()
*
* This function intializes the DMA module to insure it is up and running.
*/
cy_as_return_status_t
cy_as_dma_start(cy_as_device *dev_p)
{
cy_as_end_point_number_t i ;
uint16_t cnt ;
if (cy_as_device_is_dma_running(dev_p))
return CY_AS_ERROR_ALREADY_RUNNING ;
/*
* pre-allocate DMA queue structures to be used in the interrupt context
*/
for (cnt = 0 ; cnt < 32 ; cnt++) {
cy_as_dma_queue_entry *entry_p = (cy_as_dma_queue_entry *)
cy_as_hal_alloc(sizeof(cy_as_dma_queue_entry)) ;
if (entry_p == 0) {
cy_as_dma_stop_internal(dev_p) ;
return CY_AS_ERROR_OUT_OF_MEMORY ;
}
cy_as_dma_add_request_to_free_queue(dev_p, entry_p) ;
}
/*
* pre-allocate the DMA requests for sending EP0
* and EP1 data to west bridge
*/
dev_p->usb_ep0_dma_req = cy_as_ll_create_request(dev_p,
CY_RQT_USB_EP_DATA, CY_RQT_USB_RQT_CONTEXT, 64) ;
dev_p->usb_ep1_dma_req = cy_as_ll_create_request(dev_p,
CY_RQT_USB_EP_DATA, CY_RQT_USB_RQT_CONTEXT, 64) ;
if (dev_p->usb_ep0_dma_req == 0 || dev_p->usb_ep1_dma_req == 0) {
cy_as_dma_stop_internal(dev_p) ;
return CY_AS_ERROR_OUT_OF_MEMORY ;
}
dev_p->usb_ep0_dma_req_save = dev_p->usb_ep0_dma_req ;
dev_p->usb_ep0_dma_resp = cy_as_ll_create_response(dev_p, 1) ;
dev_p->usb_ep1_dma_resp = cy_as_ll_create_response(dev_p, 1) ;
if (dev_p->usb_ep0_dma_resp == 0 || dev_p->usb_ep1_dma_resp == 0) {
cy_as_dma_stop_internal(dev_p) ;
return CY_AS_ERROR_OUT_OF_MEMORY ;
}
dev_p->usb_ep0_dma_resp_save = dev_p->usb_ep0_dma_resp ;
/*
* set the dev_p->endp to all zeros to insure cleanup is possible if
* an error occurs during initialization.
*/
cy_as_hal_mem_set(dev_p->endp, 0, sizeof(dev_p->endp)) ;
/*
* now, iterate through each of the endpoints and initialize each
* one.
*/
for (i = 0 ; i < sizeof(dev_p->endp)/sizeof(dev_p->endp[0]) ; i++) {
dev_p->endp[i] = (cy_as_dma_end_point *)
cy_as_hal_alloc(sizeof(cy_as_dma_end_point)) ;
if (dev_p->endp[i] == 0) {
cy_as_dma_stop_internal(dev_p) ;
return CY_AS_ERROR_OUT_OF_MEMORY ;
}
cy_as_hal_mem_set(dev_p->endp[i], 0,
sizeof(cy_as_dma_end_point)) ;
dev_p->endp[i]->ep = i ;
dev_p->endp[i]->queue_p = 0 ;
dev_p->endp[i]->last_p = 0 ;
cy_as_dma_set_drq(dev_p, i, cy_false) ;
if (!cy_as_hal_create_sleep_channel(&dev_p->endp[i]->channel))
return CY_AS_ERROR_CREATE_SLEEP_CHANNEL_FAILED ;
}
/*
* tell the HAL layer who to call when the
* HAL layer completes a DMA request
*/
cy_as_hal_dma_register_callback(dev_p->tag,
cy_as_dma_completed_callback) ;
/*
* mark DMA as up and running on this device
*/
cy_as_device_set_dma_running(dev_p) ;
return CY_AS_ERROR_SUCCESS ;
}
/*
* init OMAP h/w resources
*/
int cy_as_hal_omap_cram_start(const char *pgm,
cy_as_hal_device_tag *tag, cy_bool debug)
{
cy_as_omap_dev_kernel *dev_p ;
int i;
u16 data16[4];
uint32_t err = 0;
/* No debug mode support through argument as of now */
(void)debug;
have_irq = false;
/*
* Initialize the HAL level endpoint DMA data.
*/
for (i = 0 ; i < sizeof(end_points)/sizeof(end_points[0]) ; i++) {
end_points[i].data_p = 0 ;
end_points[i].pending = cy_false ;
end_points[i].size = 0 ; /* No debug mode support through argument as of now */
(void)debug;
end_points[i].type = cy_as_hal_none ;
end_points[i].sg_list_enabled = cy_false;
/*
* by default the DMA transfers to/from the E_ps don't
* use sg_list that implies that the upper devices like
* blockdevice have to enable it for the E_ps in their
* initialization code
*/
}
/* allocate memory for OMAP HAL*/
dev_p = (cy_as_omap_dev_kernel *)cy_as_hal_alloc(
sizeof(cy_as_omap_dev_kernel)) ;
if (dev_p == 0) {
cy_as_hal_print_message("out of memory allocating OMAP"
"device structure\n") ;
return 0 ;
}
dev_p->m_sig = CY_AS_OMAP_CRAM_HAL_SIG;
/* initialize OMAP hardware and StartOMAPKernelall gpio pins */
err = cy_as_hal_processor_hw_init(dev_p);
if(err)
goto bus_acc_error;
/*
* Now perform a hard reset of the device to have
* the new settings take effect
*/
__gpio_set_value(AST_WAKEUP, 1);
/*
* do Astoria h/w reset
*/
DBGPRN(KERN_INFO"-_-_pulse -> westbridge RST pin\n");
/*
* NEGATIVE PULSE on RST pin
*/
__gpio_set_value(AST_RESET, 0);
mdelay(1);
__gpio_set_value(AST_RESET, 1);
mdelay(50);
/*
* NOTE: if you want to capture bus activity on the LA,
* don't use printks in between the activities you want to capture.
* prinks may take milliseconds, and the data of interest
* will fall outside the LA capture window/buffer
*/
cy_as_hal_dump_reg((cy_as_hal_device_tag)dev_p);
data16[0] = cy_as_hal_read_register((cy_as_hal_device_tag)dev_p, CY_AS_MEM_CM_WB_CFG_ID);
if ( (data16[0]&0xA100 != 0xA100) || (data16[0]&0xA200 != 0xA200)) {
/*
* astoria device is not found
*/
printk(KERN_ERR "ERROR: astoria device is not found, "
"CY_AS_MEM_CM_WB_CFG_ID %4.4x", data16[0]);
goto bus_acc_error;
}
cy_as_hal_print_message(KERN_INFO" register access test:"
"\n CY_AS_MEM_CM_WB_CFG_ID:%4.4x\n"
"after cfg_wr:%4.4x\n\n",
data16[0], data16[1]);
dev_p->thread_flag = 1 ;
spin_lock_init(&int_lock) ;
dev_p->m_next_p = m_omap_list_p ;
m_omap_list_p = dev_p ;
*tag = dev_p;
cy_as_hal_configure_interrupts((void *)dev_p);
cy_as_hal_print_message(KERN_INFO"OMAP3430__hal started tag:%p"
", kernel HZ:%d\n", dev_p, HZ);
/*
*make processor to storage endpoints SG assisted by default
*/
cy_as_hal_set_ep_dma_mode(4, true);
cy_as_hal_set_ep_dma_mode(8, true);
return 1 ;
/*
* there's been a NAND bus access error or
* astoria device is not connected
*/
bus_acc_error:
/*
* at this point hal tag hasn't been set yet
* so the device will not call omap_stop
*/
cy_as_hal_omap_hardware_deinit(dev_p);
cy_as_hal_free(dev_p) ;
return 0;
}
