diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/ezusb.c | 79 | ||||
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 39 | ||||
| -rw-r--r-- | drivers/usb/serial/keyspan_pda.c | 29 | ||||
| -rw-r--r-- | drivers/usb/serial/whiteheat.c | 85 |
4 files changed, 99 insertions, 133 deletions
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c index bc3076f2c066..4223d761223d 100644 --- a/drivers/usb/serial/ezusb.c +++ b/drivers/usb/serial/ezusb.c @@ -13,6 +13,8 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/usb.h> +#include <linux/firmware.h> +#include <linux/ihex.h> struct ezusb_fx_type { /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ @@ -79,3 +81,80 @@ int ezusb_fx2_set_reset(struct usb_device *dev, unsigned char reset_bit) return ezusb_set_reset(dev, ezusb_fx2.cpucs_reg, reset_bit); } EXPORT_SYMBOL_GPL(ezusb_fx2_set_reset); + +static int ezusb_ihex_firmware_download(struct usb_device *dev, + struct ezusb_fx_type fx, + const char *firmware_path) +{ + int ret = -ENOENT; + const struct firmware *firmware = NULL; + const struct ihex_binrec *record; + + if (request_ihex_firmware(&firmware, firmware_path, + &dev->dev)) { + dev_err(&dev->dev, + "%s - request \"%s\" failed\n", + __func__, firmware_path); + goto out; + } + + ret = ezusb_set_reset(dev, fx.cpucs_reg, 0); + if (ret < 0) + goto out; + + record = (const struct ihex_binrec *)firmware->data; + for (; record; record = ihex_next_binrec(record)) { + if (be32_to_cpu(record->addr) > fx.max_internal_adress) { + ret = ezusb_writememory(dev, be32_to_cpu(record->addr), + (unsigned char *)record->data, + be16_to_cpu(record->len), WRITE_EXT_RAM); + if (ret < 0) { + dev_err(&dev->dev, "%s - ezusb_writememory " + "failed writing internal memory " + "(%d %04X %p %d)\n", __func__, ret, + be32_to_cpu(record->addr), record->data, + be16_to_cpu(record->len)); + goto out; + } + } + } + + ret = ezusb_set_reset(dev, fx.cpucs_reg, 1); + if (ret < 0) + goto out; + record = (const struct ihex_binrec *)firmware->data; + for (; record; record = ihex_next_binrec(record)) { + if (be32_to_cpu(record->addr) <= fx.max_internal_adress) { + ret = ezusb_writememory(dev, be32_to_cpu(record->addr), + (unsigned char *)record->data, + be16_to_cpu(record->len), WRITE_INT_RAM); + if (ret < 0) { + dev_err(&dev->dev, "%s - ezusb_writememory " + "failed writing external memory " + "(%d %04X %p %d)\n", __func__, ret, + be32_to_cpu(record->addr), record->data, + be16_to_cpu(record->len)); + goto out; + } + } + } + ret = ezusb_set_reset(dev, fx.cpucs_reg, 0); +out: + release_firmware(firmware); + return ret; +} + +int ezusb_fx1_ihex_firmware_download(struct usb_device *dev, + const char *firmware_path) +{ + return ezusb_ihex_firmware_download(dev, ezusb_fx1, firmware_path); +} +EXPORT_SYMBOL_GPL(ezusb_fx1_ihex_firmware_download); + +int ezusb_fx2_ihex_firmware_download(struct usb_device *dev, + const char *firmware_path) +{ + return ezusb_ihex_firmware_download(dev, ezusb_fx2, firmware_path); +} +EXPORT_SYMBOL_GPL(ezusb_fx2_ihex_firmware_download); + diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 4f25849d343e..0acb07131f6e 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -38,8 +38,6 @@ #include <linux/tty_flip.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <linux/firmware.h> -#include <linux/ihex.h> #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> @@ -1167,10 +1165,7 @@ static void keyspan_close(struct usb_serial_port *port) /* download the firmware to a pre-renumeration device */ static int keyspan_fake_startup(struct usb_serial *serial) { - int response; - const struct ihex_binrec *record; - char *fw_name; - const struct firmware *fw; + char *fw_name; dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", le16_to_cpu(serial->dev->descriptor.bcdDevice), @@ -1238,34 +1233,16 @@ static int keyspan_fake_startup(struct usb_serial *serial) return 1; } - if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) { - dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); - return 1; - } - dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); - /* download the firmware image */ - response = ezusb_fx1_set_reset(serial->dev, 1); - - record = (const struct ihex_binrec *)fw->data; - - while (record) { - response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); - if (response < 0) { - dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan firmware (%d %04X %p %d)\n", - response, be32_to_cpu(record->addr), - record->data, be16_to_cpu(record->len)); - break; - } - record = ihex_next_binrec(record); + if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { + dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", + fw_name); + return -ENOENT; } - release_firmware(fw); - /* bring device out of reset. Renumeration will occur in a - moment and the new device will bind to the real driver */ - response = ezusb_fx1_set_reset(serial->dev, 0); + + /* after downloading firmware Renumeration will occur in a + moment and the new device will bind to the real driver */ /* we don't want this device to have a driver assigned to it. */ return 1; diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 39ab6687ce23..e1cada31356e 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -25,8 +25,6 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/workqueue.h> -#include <linux/firmware.h> -#include <linux/ihex.h> #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> @@ -675,8 +673,6 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial) { int response; const char *fw_name; - const struct ihex_binrec *record; - const struct firmware *fw; /* download the firmware here ... */ response = ezusb_fx1_set_reset(serial->dev, 1); @@ -696,30 +692,15 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial) __func__); return -ENODEV; } - if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) { + + if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", fw_name); return -ENOENT; } - record = (const struct ihex_binrec *)fw->data; - - while (record) { - response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); - if (response < 0) { - dev_err(&serial->dev->dev, "ezusb_writememory failed " - "for Keyspan PDA firmware (%d %04X %p %d)\n", - response, be32_to_cpu(record->addr), - record->data, be16_to_cpu(record->len)); - break; - } - record = ihex_next_binrec(record); - } - release_firmware(fw); - /* bring device out of reset. Renumeration will occur in a moment - and the new device will bind to the real driver */ - response = ezusb_fx1_set_reset(serial->dev, 0); + + /* after downloading firmware Renumeration will occur in a + moment and the new device will bind to the real driver */ /* we want this device to fail to have a driver assigned to it. */ return 1; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 8172ea3aead0..efa32bf5f758 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -33,8 +33,6 @@ #include <linux/serial.h> #include <linux/usb/serial.h> #include <linux/usb/ezusb.h> -#include <linux/firmware.h> -#include <linux/ihex.h> #include "whiteheat.h" /* WhiteHEAT specific commands */ #ifndef CMSPAR @@ -194,84 +192,15 @@ static int firm_report_tx_done(struct usb_serial_port *port); static int whiteheat_firmware_download(struct usb_serial *serial, const struct usb_device_id *id) { - int response, ret = -ENOENT; - const struct firmware *loader_fw = NULL, *firmware_fw = NULL; - const struct ihex_binrec *record; + int response; - if (request_ihex_firmware(&firmware_fw, "whiteheat.fw", - &serial->dev->dev)) { - dev_err(&serial->dev->dev, - "%s - request \"whiteheat.fw\" failed\n", __func__); - goto out; - } - if (request_ihex_firmware(&loader_fw, "whiteheat_loader.fw", - &serial->dev->dev)) { - dev_err(&serial->dev->dev, - "%s - request \"whiteheat_loader.fw\" failed\n", - __func__); - goto out; - } - ret = 0; - response = ezusb_fx1_set_reset(serial->dev, 1); - - record = (const struct ihex_binrec *)loader_fw->data; - while (record) { - response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); - if (response < 0) { - dev_err(&serial->dev->dev, "%s - ezusb_writememory " - "failed for loader (%d %04X %p %d)\n", - __func__, response, be32_to_cpu(record->addr), - record->data, be16_to_cpu(record->len)); - break; - } - record = ihex_next_binrec(record); - } - - response = ezusb_fx1_set_reset(serial->dev, 0); - - record = (const struct ihex_binrec *)firmware_fw->data; - while (record && be32_to_cpu(record->addr) < 0x1b40) - record = ihex_next_binrec(record); - while (record) { - response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa3); - if (response < 0) { - dev_err(&serial->dev->dev, "%s - ezusb_writememory " - "failed for first firmware step " - "(%d %04X %p %d)\n", __func__, response, - be32_to_cpu(record->addr), record->data, - be16_to_cpu(record->len)); - break; - } - ++record; - } - - response = ezusb_fx1_set_reset(serial->dev, 1); - - record = (const struct ihex_binrec *)firmware_fw->data; - while (record && be32_to_cpu(record->addr) < 0x1b40) { - response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); - if (response < 0) { - dev_err(&serial->dev->dev, "%s - ezusb_writememory " - "failed for second firmware step " - "(%d %04X %p %d)\n", __func__, response, - be32_to_cpu(record->addr), record->data, - be16_to_cpu(record->len)); - break; - } - ++record; + response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat_loader.fw"); + if (response >= 0) { + response = ezusb_fx1_ihex_firmware_download(serial->dev, "whiteheat.fw"); + if (response >= 0) + return 0; } - ret = 0; - response = ezusb_fx1_set_reset(serial->dev, 0); - out: - release_firmware(loader_fw); - release_firmware(firmware_fw); - return ret; + return -ENOENT; } |
