#include <linux/mm.h>
#include <linux/poll.h>
#include <linux/wait.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
#include <asm/ioctl.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include "sep_driver_ext_api.h"
#include "sep_dev.h"
-/*----------------------------------------
- DEFINES
------------------------------------------*/
+#if SEP_DRIVER_ARM_DEBUG_MODE
+#define CRYS_SEP_ROM_length 0x4000
+#define CRYS_SEP_ROM_start_address 0x8000C000UL
+#define CRYS_SEP_ROM_start_address_offset 0xC000UL
+#define SEP_ROM_BANK_register 0x80008420UL
+#define SEP_ROM_BANK_register_offset 0x8420UL
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0x82000000
-#define INT_MODULE_PARM(n, v) int n = v; module_param(n, int, 0)
+/*
+ * THESE 2 definitions are specific to the board - must be
+ * defined during integration
+ */
+#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0xFF0D0000
+
+/* 2M size */
+
+void sep_load_rom_code(void)
+{
+ /* Index variables */
+ unsigned long i, k, j;
+ unsigned long regVal;
+ unsigned long Error;
+ unsigned long warning;
+
+ /* Loading ROM from SEP_ROM_image.h file */
+ k = sizeof(CRYS_SEP_ROM);
+
+ edbg("SEP Driver: DX_CC_TST_SepRomLoader start\n");
+
+ edbg("SEP Driver: k is %lu\n", k);
+ edbg("SEP Driver: sep_dev->reg_base_address is %p\n", sep_dev->reg_base_address);
+ edbg("SEP Driver: CRYS_SEP_ROM_start_address_offset is %p\n", CRYS_SEP_ROM_start_address_offset);
+
+ for (i = 0; i < 4; i++) {
+ /* write bank */
+ sep_write_reg(sep_dev, SEP_ROM_BANK_register_offset, i);
+
+ for (j = 0; j < CRYS_SEP_ROM_length / 4; j++) {
+ sep_write_reg(sep_dev, CRYS_SEP_ROM_start_address_offset + 4 * j, CRYS_SEP_ROM[i * 0x1000 + j]);
+
+ k = k - 4;
+
+ if (k == 0) {
+ j = CRYS_SEP_ROM_length;
+ i = 4;
+ }
+ }
+ }
+
+ /* reset the SEP */
+ sep_write_reg(sep_dev, HW_HOST_SEP_SW_RST_REG_ADDR, 0x1);
+
+ /* poll for SEP ROM boot finish */
+ do {
+ retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
+ } while (!regVal);
+
+ edbg("SEP Driver: ROM polling ended\n");
+
+ switch (regVal) {
+ case 0x1:
+ /* fatal error - read erro status from GPRO */
+ Error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 1\n");
+ break;
+ case 0x2:
+ /* Boot First Phase ended */
+ warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 2\n");
+ break;
+ case 0x4:
+ /* Cold boot ended successfully */
+ warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 4\n");
+ Error = 0;
+ break;
+ case 0x8:
+ /* Warmboot ended successfully */
+ warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 8\n");
+ Error = 0;
+ break;
+ case 0x10:
+ /* ColdWarm boot ended successfully */
+ warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
+ edbg("SEP Driver: ROM polling case 16\n");
+ Error = 0;
+ break;
+ case 0x20:
+ edbg("SEP Driver: ROM polling case 32\n");
+ break;
+ }
+
+}
+
+#else
+void sep_load_rom_code(void) { }
+#endif /* SEP_DRIVER_ARM_DEBUG_MODE */
-/*--------------------------------------
- TYPEDEFS
- -----------------------------------------*/
+/*----------------------------------------
+ DEFINES
+-----------------------------------------*/
+
+#define INT_MODULE_PARM(n, v) int n = v; module_param(n, int, 0)
+#define BASE_ADDRESS_FOR_SYSTEM 0xfffc0000
+#define SEP_RAR_IO_MEM_REGION_SIZE 0x40000
/*--------------------------------------------
GLOBAL variables
INT_MODULE_PARM(sepDebug, 0x0);
MODULE_PARM_DESC(sepDebug, "Flag to enable SEP debug messages");
+/* Keep this a single static object for now to keep the conversion easy */
+
+static struct sep_device sep_instance;
+struct sep_device *sep_dev = &sep_instance;
+
+/* temporary */
+unsigned long jiffies_future;
+
/*
mutex for the access to the internals of the sep driver
-----------------------------------------------*/
/*
+ This functions locks the area of the resisnd and cache sep code
+*/
+void sep_lock_cache_resident_area(void)
+{
+ return;
+}
+
+/*
+ This functions copies the cache and resident from their source location into
+ destination memory, which is external to Linux VM and is given as
+ physical address
+*/
+int sep_copy_cache_resident_to_area(unsigned long src_cache_addr, unsigned long cache_size_in_bytes, unsigned long src_resident_addr, unsigned long resident_size_in_bytes, unsigned long *dst_new_cache_addr_ptr, unsigned long *dst_new_resident_addr_ptr)
+{
+ unsigned long resident_addr;
+ unsigned long cache_addr;
+ const struct firmware *fw;
+
+ char *cache_name = "cache.image.bin";
+ char *res_name = "resident.image.bin";
+
+ /* error */
+ int error;
+
+ /*--------------------------------
+ CODE
+ -------------------------------------*/
+ error = 0;
+
+ edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
+ edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
+
+ sep_dev->rar_region_addr = (unsigned long) sep_dev->rar_virtual_address;
+
+ sep_dev->cache_physical_address = sep_dev->rar_physical_address;
+ sep_dev->cache_virtual_address = sep_dev->rar_virtual_address;
+
+ /* load cache */
+ error = request_firmware(&fw, cache_name, &sep_dev->sep_pci_dev_ptr->dev);
+ if (error) {
+ edbg("SEP Driver:cant request cache fw\n");
+ goto end_function;
+ }
+
+ edbg("SEP Driver:cache data loc is %p\n", (void *) fw->data);
+ edbg("SEP Driver:cache data size is %08Zx\n", fw->size);
+
+ memcpy((void *) sep_dev->cache_virtual_address, (void *) fw->data, fw->size);
+
+ sep_dev->cache_size = fw->size;
+
+ cache_addr = (unsigned long) sep_dev->cache_virtual_address;
+
+ release_firmware(fw);
+
+ sep_dev->resident_physical_address = sep_dev->cache_physical_address + sep_dev->cache_size;
+ sep_dev->resident_virtual_address = sep_dev->cache_virtual_address + sep_dev->cache_size;
+
+ /* load resident */
+ error = request_firmware(&fw, res_name, &sep_dev->sep_pci_dev_ptr->dev);
+ if (error) {
+ edbg("SEP Driver:cant request res fw\n");
+ goto end_function;
+ }
+
+ edbg("SEP Driver:res data loc is %p\n", (void *) fw->data);
+ edbg("SEP Driver:res data size is %08Zx\n", fw->size);
+
+ memcpy((void *) sep_dev->resident_virtual_address, (void *) fw->data, fw->size);
+
+ sep_dev->resident_size = fw->size;
+
+ release_firmware(fw);
+
+ resident_addr = (unsigned long) sep_dev->resident_virtual_address;
+
+ edbg("SEP Driver:resident_addr (physical )is %08lx\n", sep_dev->resident_physical_address);
+ edbg("SEP Driver:cache_addr (physical) is %08lx\n", sep_dev->cache_physical_address);
+
+ edbg("SEP Driver:resident_addr (logical )is %08lx\n", resident_addr);
+ edbg("SEP Driver:cache_addr (logical) is %08lx\n", cache_addr);
+
+ edbg("SEP Driver:resident_size is %08lx\n", sep_dev->resident_size);
+ edbg("SEP Driver:cache_size is %08lx\n", sep_dev->cache_size);
+
+
+
+ /* physical addresses */
+ *dst_new_cache_addr_ptr = sep_dev->cache_physical_address;
+ *dst_new_resident_addr_ptr = sep_dev->resident_physical_address;
+end_function:
+ return error;
+}
+
+/*
+ This functions maps and allocates the
+ shared area on the external RAM (device)
+ The input is shared_area_size - the size of the memory to
+ allocate. The outputs
+ are kernel_shared_area_addr_ptr - the kerenl
+ address of the mapped and allocated
+ shared area, and phys_shared_area_addr_ptr
+ - the physical address of the shared area
+*/
+int sep_map_and_alloc_shared_area(unsigned long shared_area_size, unsigned long *kernel_shared_area_addr_ptr, unsigned long *phys_shared_area_addr_ptr)
+{
+ // shared_virtual_address = ioremap_nocache(0xda00000,shared_area_size);
+ sep_dev->shared_virtual_address = kmalloc(shared_area_size, GFP_KERNEL);
+ if (!sep_dev->shared_virtual_address) {
+ edbg("sep_driver:shared memory kmalloc failed\n");
+ return -1;
+ }
+ /* FIXME */
+ sep_dev->shared_physical_address = __pa(sep_dev->shared_virtual_address);
+ /* shared_physical_address = 0xda00000; */
+ *kernel_shared_area_addr_ptr = (unsigned long) sep_dev->shared_virtual_address;
+ /* set the physical address of the shared area */
+ *phys_shared_area_addr_ptr = sep_dev->shared_physical_address;
+ edbg("SEP Driver:shared_virtual_address is %p\n", sep_dev->shared_virtual_address);
+ edbg("SEP Driver:shared_region_size is %08lx\n", shared_area_size);
+ edbg("SEP Driver:shared_physical_addr is %08lx\n", *phys_shared_area_addr_ptr);
+
+ return 0;
+}
+
+/*
+ This functions unmaps and deallocates the shared area
+ on the external RAM (device)
+ The input is shared_area_size - the size of the memory to deallocate,kernel_
+ shared_area_addr_ptr - the kernel address of the mapped and allocated
+ shared area,phys_shared_area_addr_ptr - the physical address of
+ the shared area
+*/
+void sep_unmap_and_free_shared_area(unsigned long shared_area_size, unsigned long kernel_shared_area_addr, unsigned long phys_shared_area_addr)
+{
+ kfree((void *) kernel_shared_area_addr);
+}
+
+/*
+ This functions returns the physical address inside shared area according
+ to the virtual address. It can be either on the externa RAM device
+ (ioremapped), or on the system RAM
+ This implementation is for the external RAM
+*/
+unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address)
+{
+ edbg("SEP Driver:sh virt to phys v %08lx\n", virt_address);
+ edbg("SEP Driver:sh virt to phys p %08lx\n", sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address));
+
+ return (unsigned long) sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address);
+}
+
+/*
+ This functions returns the virtual address inside shared area
+ according to the physical address. It can be either on the
+ externa RAM device (ioremapped), or on the system RAM This implementation
+ is for the external RAM
+*/
+unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address)
+{
+ return (unsigned long) sep_dev->shared_virtual_address + (phys_address - sep_dev->shared_physical_address);
+}
+
+
+/*
this function returns the address of the message shared area
*/
void sep_map_shared_area(unsigned long *mappedAddr_ptr)
if (reg_val == 0x1)
/* fatal error - read erro status from GPRO */
error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
-end_function:
dbg("SEP Driver:<-------- sep_start_handler end\n");
return error;
}
}
+/*
+ function that is activaed on the succesfull probe of the SEP device
+*/
+static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int error = 0;
+
+ edbg("Sep pci probe starting\n");
+
+ /* enable the device */
+ error = pci_enable_device(pdev);
+ if (error) {
+ edbg("error enabling pci device\n");
+ goto end_function;
+ }
+
+ /* set the pci dev pointer */
+ sep_dev->sep_pci_dev_ptr = pdev;
+
+ /* get the io memory start address */
+ sep_dev->io_memory_start_physical_address = pci_resource_start(pdev, 0);
+ if (!sep_dev->io_memory_start_physical_address) {
+ edbg("SEP Driver error pci resource start\n");
+ goto end_function;
+ }
+
+ /* get the io memory end address */
+ sep_dev->io_memory_end_physical_address = pci_resource_end(pdev, 0);
+ if (!sep_dev->io_memory_end_physical_address) {
+ edbg("SEP Driver error pci resource end\n");
+ goto end_function;
+ }
+
+ sep_dev->io_memory_size = sep_dev->io_memory_end_physical_address - sep_dev->io_memory_start_physical_address + 1;
+
+ edbg("SEP Driver:io_memory_start_physical_address is %08lx\n", sep_dev->io_memory_start_physical_address);
+
+ edbg("SEP Driver:io_memory_end_phyaical_address is %08lx\n", sep_dev->io_memory_end_physical_address);
+
+ edbg("SEP Driver:io_memory_size is %08lx\n", sep_dev->io_memory_size);
+
+ sep_dev->io_memory_start_virtual_address = ioremap_nocache(sep_dev->io_memory_start_physical_address, sep_dev->io_memory_size);
+ if (!sep_dev->io_memory_start_virtual_address) {
+ edbg("SEP Driver error ioremap of io memory\n");
+ goto end_function;
+ }
+
+ edbg("SEP Driver:io_memory_start_virtual_address is %p\n", sep_dev->io_memory_start_virtual_address);
+
+ sep_dev->reg_base_address = (void __iomem *) sep_dev->io_memory_start_virtual_address;
+
+
+ /* set up system base address and shared memory location */
+
+ sep_dev->rar_virtual_address = kmalloc(2 * SEP_RAR_IO_MEM_REGION_SIZE, GFP_KERNEL);
+
+ if (!sep_dev->rar_virtual_address) {
+ edbg("SEP Driver:cant kmalloc rar\n");
+ goto end_function;
+ }
+ /* FIXME */
+ sep_dev->rar_physical_address = __pa(sep_dev->rar_virtual_address);
+
+ edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
+ edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
+
+#if !SEP_DRIVER_POLLING_MODE
+
+ edbg("SEP Driver: about to write IMR and ICR REG_ADDR\n");
+
+ /* clear ICR register */
+ sep_write_reg(sep_dev, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF);
+
+ /* set the IMR register - open only GPR 2 */
+ sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+ /* figure out our irq */
+ /* FIXME: */
+ error = pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, (u8 *) & sep_dev->sep_irq);
+
+ edbg("SEP Driver: my irq is %d\n", sep_irq);
+
+ edbg("SEP Driver: about to call request_irq\n");
+ /* get the interrupt line */
+ error = request_irq(sep_irq, sep_inthandler, IRQF_SHARED, "sep_driver", &sep_dev->reg_base_address);
+ if (error)
+ goto end_function;
+
+ goto end_function;
+ edbg("SEP Driver: about to write IMR REG_ADDR");
+
+ /* set the IMR register - open only GPR 2 */
+ sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
+
+#endif /* SEP_DRIVER_POLLING_MODE */
+end_function:
+ return error;
+}
+
+static struct pci_device_id sep_pci_id_tbl[] = {
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
+ {0}
+};
+
+MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl);
+
+/* field for registering driver to PCI device */
+static struct pci_driver sep_pci_driver = {
+ .name = "sep_sec_driver",
+ .id_table = sep_pci_id_tbl,
+ .probe = sep_probe
+};
+
+/*
+ this function registers th driver to
+ the device subsystem( either PCI, USB, etc)
+*/
+int sep_register_driver_to_device(void)
+{
+ return pci_register_driver(&sep_pci_driver);
+}
+
+
+
/* major and minor device numbers */
static dev_t sep_devno;
+++ /dev/null
-/*
- *
- * sep_ext_with_pci_driver.c - Security Processor Driver
- * pci initialization functions
- *
- * Copyright(c) 2009 Intel Corporation. All rights reserved.
- * Copyright(c) 2009 Discretix. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * CONTACTS:
- *
- * Mark Allyn mark.a.allyn@intel.com
- *
- * CHANGES:
- *
- * 2009.06.26 Initial publish
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/kdev_t.h>
-#include <linux/semaphore.h>
-#include <linux/mm.h>
-#include <linux/poll.h>
-#include <linux/wait.h>
-#include <linux/ioctl.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/pagemap.h>
-#include <linux/pci.h>
-#include <linux/firmware.h>
-#include <linux/sched.h>
-#include "sep_driver_hw_defs.h"
-#include "sep_driver_config.h"
-#include "sep_driver_api.h"
-#include "sep_driver_ext_api.h"
-#include "sep_dev.h"
-
-#if SEP_DRIVER_ARM_DEBUG_MODE
-
-#define CRYS_SEP_ROM_length 0x4000
-#define CRYS_SEP_ROM_start_address 0x8000C000UL
-#define CRYS_SEP_ROM_start_address_offset 0xC000UL
-#define SEP_ROM_BANK_register 0x80008420UL
-#define SEP_ROM_BANK_register_offset 0x8420UL
-#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0x82000000
-
-/*
- * THESE 2 definitions are specific to the board - must be
- * defined during integration
- */
-#define SEP_RAR_IO_MEM_REGION_START_ADDRESS 0xFF0D0000
-
-/* 2M size */
-
-void sep_load_rom_code(void)
-{
- /* Index variables */
- unsigned long i, k, j;
- unsigned long regVal;
- unsigned long Error;
- unsigned long warning;
-
- /* Loading ROM from SEP_ROM_image.h file */
- k = sizeof(CRYS_SEP_ROM);
-
- edbg("SEP Driver: DX_CC_TST_SepRomLoader start\n");
-
- edbg("SEP Driver: k is %lu\n", k);
- edbg("SEP Driver: sep_dev->reg_base_address is %p\n", sep_dev->reg_base_address);
- edbg("SEP Driver: CRYS_SEP_ROM_start_address_offset is %p\n", CRYS_SEP_ROM_start_address_offset);
-
- for (i = 0; i < 4; i++) {
- /* write bank */
- sep_write_reg(sep_dev, SEP_ROM_BANK_register_offset, i);
-
- for (j = 0; j < CRYS_SEP_ROM_length / 4; j++) {
- sep_write_reg(sep_dev, CRYS_SEP_ROM_start_address_offset + 4 * j, CRYS_SEP_ROM[i * 0x1000 + j]);
-
- k = k - 4;
-
- if (k == 0) {
- j = CRYS_SEP_ROM_length;
- i = 4;
- }
- }
- }
-
- /* reset the SEP */
- sep_write_reg(sep_dev, HW_HOST_SEP_SW_RST_REG_ADDR, 0x1);
-
- /* poll for SEP ROM boot finish */
- do {
- retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR3_REG_ADDR);
- } while (!regVal);
-
- edbg("SEP Driver: ROM polling ended\n");
-
- switch (regVal) {
- case 0x1:
- /* fatal error - read erro status from GPRO */
- Error = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
- edbg("SEP Driver: ROM polling case 1\n");
- break;
- case 0x2:
- /* Boot First Phase ended */
- warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
- edbg("SEP Driver: ROM polling case 2\n");
- break;
- case 0x4:
- /* Cold boot ended successfully */
- warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
- edbg("SEP Driver: ROM polling case 4\n");
- Error = 0;
- break;
- case 0x8:
- /* Warmboot ended successfully */
- warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
- edbg("SEP Driver: ROM polling case 8\n");
- Error = 0;
- break;
- case 0x10:
- /* ColdWarm boot ended successfully */
- warning = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR0_REG_ADDR);
- edbg("SEP Driver: ROM polling case 16\n");
- Error = 0;
- break;
- case 0x20:
- edbg("SEP Driver: ROM polling case 32\n");
- break;
- }
-
-}
-
-#else
-void sep_load_rom_code(void) { }
-#endif /* SEP_DRIVER_ARM_DEBUG_MODE */
-
-#define BASE_ADDRESS_FOR_SYSTEM 0xfffc0000
-#define SEP_RAR_IO_MEM_REGION_SIZE 0x40000
-
-irqreturn_t sep_inthandler(int irq, void *dev_id);
-
-/* Keep this a single static object for now to keep the conversion easy */
-
-static struct sep_device sep_instance;
-struct sep_device *sep_dev = &sep_instance;
-
-/* temporary */
-unsigned long jiffies_future;
-
-/*-----------------------------
- private functions
---------------------------------*/
-
-/*
- This functions locks the area of the resisnd and cache sep code
-*/
-void sep_lock_cache_resident_area(void)
-{
- return;
-}
-
-/*
- This functions copies the cache and resident from their source location into
- destination memory, which is external to Linux VM and is given as
- physical address
-*/
-int sep_copy_cache_resident_to_area(unsigned long src_cache_addr, unsigned long cache_size_in_bytes, unsigned long src_resident_addr, unsigned long resident_size_in_bytes, unsigned long *dst_new_cache_addr_ptr, unsigned long *dst_new_resident_addr_ptr)
-{
- unsigned long resident_addr;
- unsigned long cache_addr;
- const struct firmware *fw;
-
- char *cache_name = "cache.image.bin";
- char *res_name = "resident.image.bin";
-
- /* error */
- int error;
-
- /*--------------------------------
- CODE
- -------------------------------------*/
- error = 0;
-
- edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
- edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
-
- sep_dev->rar_region_addr = (unsigned long) sep_dev->rar_virtual_address;
-
- sep_dev->cache_physical_address = sep_dev->rar_physical_address;
- sep_dev->cache_virtual_address = sep_dev->rar_virtual_address;
-
- /* load cache */
- error = request_firmware(&fw, cache_name, &sep_dev->sep_pci_dev_ptr->dev);
- if (error) {
- edbg("SEP Driver:cant request cache fw\n");
- goto end_function;
- }
-
- edbg("SEP Driver:cache data loc is %p\n", (void *) fw->data);
- edbg("SEP Driver:cache data size is %08Zx\n", fw->size);
-
- memcpy((void *) sep_dev->cache_virtual_address, (void *) fw->data, fw->size);
-
- sep_dev->cache_size = fw->size;
-
- cache_addr = (unsigned long) sep_dev->cache_virtual_address;
-
- release_firmware(fw);
-
- sep_dev->resident_physical_address = sep_dev->cache_physical_address + sep_dev->cache_size;
- sep_dev->resident_virtual_address = sep_dev->cache_virtual_address + sep_dev->cache_size;
-
- /* load resident */
- error = request_firmware(&fw, res_name, &sep_dev->sep_pci_dev_ptr->dev);
- if (error) {
- edbg("SEP Driver:cant request res fw\n");
- goto end_function;
- }
-
- edbg("SEP Driver:res data loc is %p\n", (void *) fw->data);
- edbg("SEP Driver:res data size is %08Zx\n", fw->size);
-
- memcpy((void *) sep_dev->resident_virtual_address, (void *) fw->data, fw->size);
-
- sep_dev->resident_size = fw->size;
-
- release_firmware(fw);
-
- resident_addr = (unsigned long) sep_dev->resident_virtual_address;
-
- edbg("SEP Driver:resident_addr (physical )is %08lx\n", sep_dev->resident_physical_address);
- edbg("SEP Driver:cache_addr (physical) is %08lx\n", sep_dev->cache_physical_address);
-
- edbg("SEP Driver:resident_addr (logical )is %08lx\n", resident_addr);
- edbg("SEP Driver:cache_addr (logical) is %08lx\n", cache_addr);
-
- edbg("SEP Driver:resident_size is %08lx\n", sep_dev->resident_size);
- edbg("SEP Driver:cache_size is %08lx\n", sep_dev->cache_size);
-
-
-
- /* physical addresses */
- *dst_new_cache_addr_ptr = sep_dev->cache_physical_address;
- *dst_new_resident_addr_ptr = sep_dev->resident_physical_address;
-end_function:
- return error;
-}
-
-/*
- This functions maps and allocates the
- shared area on the external RAM (device)
- The input is shared_area_size - the size of the memory to
- allocate. The outputs
- are kernel_shared_area_addr_ptr - the kerenl
- address of the mapped and allocated
- shared area, and phys_shared_area_addr_ptr
- - the physical address of the shared area
-*/
-int sep_map_and_alloc_shared_area(unsigned long shared_area_size, unsigned long *kernel_shared_area_addr_ptr, unsigned long *phys_shared_area_addr_ptr)
-{
- // shared_virtual_address = ioremap_nocache(0xda00000,shared_area_size);
- sep_dev->shared_virtual_address = kmalloc(shared_area_size, GFP_KERNEL);
- if (!sep_dev->shared_virtual_address) {
- edbg("sep_driver:shared memory kmalloc failed\n");
- return -1;
- }
- /* FIXME */
- sep_dev->shared_physical_address = __pa(sep_dev->shared_virtual_address);
- /* shared_physical_address = 0xda00000; */
- *kernel_shared_area_addr_ptr = (unsigned long) sep_dev->shared_virtual_address;
- /* set the physical address of the shared area */
- *phys_shared_area_addr_ptr = sep_dev->shared_physical_address;
- edbg("SEP Driver:shared_virtual_address is %p\n", sep_dev->shared_virtual_address);
- edbg("SEP Driver:shared_region_size is %08lx\n", shared_area_size);
- edbg("SEP Driver:shared_physical_addr is %08lx\n", *phys_shared_area_addr_ptr);
-
- return 0;
-}
-
-/*
- This functions unmaps and deallocates the shared area
- on the external RAM (device)
- The input is shared_area_size - the size of the memory to deallocate,kernel_
- shared_area_addr_ptr - the kernel address of the mapped and allocated
- shared area,phys_shared_area_addr_ptr - the physical address of
- the shared area
-*/
-void sep_unmap_and_free_shared_area(unsigned long shared_area_size, unsigned long kernel_shared_area_addr, unsigned long phys_shared_area_addr)
-{
- kfree((void *) kernel_shared_area_addr);
-}
-
-/*
- This functions returns the physical address inside shared area according
- to the virtual address. It can be either on the externa RAM device
- (ioremapped), or on the system RAM
- This implementation is for the external RAM
-*/
-unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address)
-{
- edbg("SEP Driver:sh virt to phys v %08lx\n", virt_address);
- edbg("SEP Driver:sh virt to phys p %08lx\n", sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address));
-
- return (unsigned long) sep_dev->shared_physical_address + (virt_address - (unsigned long) sep_dev->shared_virtual_address);
-}
-
-/*
- This functions returns the virtual address inside shared area
- according to the physical address. It can be either on the
- externa RAM device (ioremapped), or on the system RAM This implementation
- is for the external RAM
-*/
-unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address)
-{
- return (unsigned long) sep_dev->shared_virtual_address + (phys_address - sep_dev->shared_physical_address);
-}
-
-
-/*
- function that is activaed on the succesfull probe of the SEP device
-*/
-static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- int error = 0;
-
- edbg("Sep pci probe starting\n");
-
- /* enable the device */
- error = pci_enable_device(pdev);
- if (error) {
- edbg("error enabling pci device\n");
- goto end_function;
- }
-
- /* set the pci dev pointer */
- sep_dev->sep_pci_dev_ptr = pdev;
-
- /* get the io memory start address */
- sep_dev->io_memory_start_physical_address = pci_resource_start(pdev, 0);
- if (!sep_dev->io_memory_start_physical_address) {
- edbg("SEP Driver error pci resource start\n");
- goto end_function;
- }
-
- /* get the io memory end address */
- sep_dev->io_memory_end_physical_address = pci_resource_end(pdev, 0);
- if (!sep_dev->io_memory_end_physical_address) {
- edbg("SEP Driver error pci resource end\n");
- goto end_function;
- }
-
- sep_dev->io_memory_size = sep_dev->io_memory_end_physical_address - sep_dev->io_memory_start_physical_address + 1;
-
- edbg("SEP Driver:io_memory_start_physical_address is %08lx\n", sep_dev->io_memory_start_physical_address);
-
- edbg("SEP Driver:io_memory_end_phyaical_address is %08lx\n", sep_dev->io_memory_end_physical_address);
-
- edbg("SEP Driver:io_memory_size is %08lx\n", sep_dev->io_memory_size);
-
- sep_dev->io_memory_start_virtual_address = ioremap_nocache(sep_dev->io_memory_start_physical_address, sep_dev->io_memory_size);
- if (!sep_dev->io_memory_start_virtual_address) {
- edbg("SEP Driver error ioremap of io memory\n");
- goto end_function;
- }
-
- edbg("SEP Driver:io_memory_start_virtual_address is %p\n", sep_dev->io_memory_start_virtual_address);
-
- sep_dev->reg_base_address = (void __iomem *) sep_dev->io_memory_start_virtual_address;
-
-
- /* set up system base address and shared memory location */
-
- sep_dev->rar_virtual_address = kmalloc(2 * SEP_RAR_IO_MEM_REGION_SIZE, GFP_KERNEL);
-
- if (!sep_dev->rar_virtual_address) {
- edbg("SEP Driver:cant kmalloc rar\n");
- goto end_function;
- }
- /* FIXME */
- sep_dev->rar_physical_address = __pa(sep_dev->rar_virtual_address);
-
- edbg("SEP Driver:rar_physical is %08lx\n", sep_dev->rar_physical_address);
- edbg("SEP Driver:rar_virtual is %p\n", sep_dev->rar_virtual_address);
-
-#if !SEP_DRIVER_POLLING_MODE
-
- edbg("SEP Driver: about to write IMR and ICR REG_ADDR\n");
-
- /* clear ICR register */
- sep_write_reg(sep_dev, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF);
-
- /* set the IMR register - open only GPR 2 */
- sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
-
- /* figure out our irq */
- /* FIXME: */
- error = pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, (u8 *) & sep_dev->sep_irq);
-
- edbg("SEP Driver: my irq is %d\n", sep_irq);
-
- edbg("SEP Driver: about to call request_irq\n");
- /* get the interrupt line */
- error = request_irq(sep_irq, sep_inthandler, IRQF_SHARED, "sep_driver", &sep_dev->reg_base_address);
- if (error)
- goto end_function;
-
- goto end_function;
- edbg("SEP Driver: about to write IMR REG_ADDR");
-
- /* set the IMR register - open only GPR 2 */
- sep_write_reg(sep_dev, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13)));
-
-#endif /* SEP_DRIVER_POLLING_MODE */
-end_function:
- return error;
-}
-
-static struct pci_device_id sep_pci_id_tbl[] = {
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl);
-
-/* field for registering driver to PCI device */
-static struct pci_driver sep_pci_driver = {
- .name = "sep_sec_driver",
- .id_table = sep_pci_id_tbl,
- .probe = sep_probe
-};
-
-/*
- this function registers th driver to
- the device subsystem( either PCI, USB, etc)
-*/
-int sep_register_driver_to_device(void)
-{
- return pci_register_driver(&sep_pci_driver);
-}
-
-
projects / platform / kernel / linux-stable.git / commitdiff