- m437, for the M436 PC/104 card by SECO
- bfadcan for sja1000 CAN embedded card made by BFAD GmbH
- gensja1000io for many sja1000 I/O mapped cards (PCAN-PC/104 for example).
-- pikronisa for ISA memory mapped sja1000 CAN card made by PiKRON Ltd.
+- gensja1000mm for ISA memory mapped sja1000 CAN cards
+ (for pikronisa card used by PiKRON Ltd. the clockfreq=24000 has to be specified)
- pimx1 for MX1_DIS1 extension board for PiMX1 ARM based BCC
- msmcan for MICROSPACE IO space indexed i82527
- unican for Unicontrols PCAN card
- ts7kv for Technologic Systems' TS-7KV Multi-function board with SJA1000
both these cards require CONFIG_OC_LINCAN_CARD_tscan1=y
- pcan_pci for PEAK System PCAN-PCI single, double or quad SJA1000 based board
-- esdpci200 for the CAN/PCI-200 card by ESD Electronics board
+- esdpci200 for the CAN/PCI-200 card by ESD Electronics
+- esdpci266 for the ESD PCI/PMC 266 card by ESD Electronics
- template, for yet unsupported hardware (you need to edit src/template.c)
- virtual, CAN channel for testing of software and driver without CAN hardware
--- /dev/null
+/* gensja1000mm.h
+ * Header file for the Linux CAN-bus driver.
+ * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Added by Pavel Pisa pisa@cmp.felk.cvut.cz
+ * email:pisa@cmp.felk.cvut.cz
+ * This software is released under the GPL-License.
+ * Version lincan-0.3 17 Jun 2004
+ *
+ * Generic support for SJA1000 memory mapped CAN cards
+ * memory mapped SJA1000 controller
+ */
+
+int gensja1000mm_request_io(struct candevice_t *candev);
+int gensja1000mm_release_io(struct candevice_t *candev);
+int gensja1000mm_reset(struct candevice_t *candev);
+int gensja1000mm_init_hw_data(struct candevice_t *candev);
+int gensja1000mm_init_chip_data(struct candevice_t *candev, int chipnr);
+int gensja1000mm_init_obj_data(struct canchip_t *chip, int objnr);
+int gensja1000mm_program_irq(struct candevice_t *candev);
+void gensja1000mm_write_register(unsigned data, can_ioptr_t address);
+unsigned gensja1000mm_read_register(can_ioptr_t address);
+
+++ /dev/null
-/* pikronisa.h
- * Header file for the Linux CAN-bus driver.
- * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
- * Added by Pavel Pisa pisa@cmp.felk.cvut.cz
- * email:pisa@cmp.felk.cvut.cz
- * This software is released under the GPL-License.
- * Version lincan-0.3 17 Jun 2004
- *
- * Support for PiKRON Ltd ISA CAN card using
- * memory mapped SJA1000 controller
- */
-
-int pikronisa_request_io(struct candevice_t *candev);
-int pikronisa_release_io(struct candevice_t *candev);
-int pikronisa_reset(struct candevice_t *candev);
-int pikronisa_init_hw_data(struct candevice_t *candev);
-int pikronisa_init_chip_data(struct candevice_t *candev, int chipnr);
-int pikronisa_init_obj_data(struct canchip_t *chip, int objnr);
-int pikronisa_program_irq(struct candevice_t *candev);
-void pikronisa_write_register(unsigned data, can_ioptr_t address);
-unsigned pikronisa_read_register(can_ioptr_t address);
-
lincan_cards_NAMES = pip pccan smartcan nsi cc_can104 ems_cpcpci \
- pc_i03 pcm3680 aim104 m437 pcccan ssv bfadcan gensja1000io pikronisa eb8245 \
+ pc_i03 pcm3680 aim104 m437 pcccan ssv bfadcan gensja1000io gensja1000mm eb8245 \
kv_pcican msmcan oscar adlink7841 pcan_pci esdpci200 unican usbcan virtual template
-lincan_morecards_NAMES = hms30c7202_can ns_dev_can ipci165 pimx1 tscan1 ts7kv nsi_canpci sh7760
+lincan_morecards_NAMES = esdpci266 hms30c7202_can ns_dev_can ipci165 pimx1 tscan1 ts7kv nsi_canpci sh7760
default_CONFIG = CONFIG_OC_LINCAN=y CONFIG_OC_LINCANRTL=n CONFIG_OC_LINCANVME=n
default_CONFIG += CONFIG_OC_LINCAN_PORTIO_ONLY=n CONFIG_OC_LINCAN_MEMIO_ONLY=n
SUPPORTED_CARDS = pip pccan smartcan nsi cc_can104 \
pc_i03 pcm3680 aim104 m437 pcccan ssv \
- bfadcan pikronisa kv_pcican msmcan virtual template \
+ bfadcan gensja1000mm gensja1000io kv_pcican msmcan virtual template \
unican unican_cl2 ems_cpcpci adlink7841 oscar \
pcan_pci esdpci200
# hms30c7202_can c_can c_can_irq tscan1
# pcan_dongle
-#SUPPORTED_CARDS = pcm3680 bfadcan pikronisa template
+#SUPPORTED_CARDS = pcm3680 bfadcan template
#SUPPORTED_CARDS = virtual
extern int pcccan_register(struct hwspecops_t *hwspecops);
extern int ssv_register(struct hwspecops_t *hwspecops);
extern int bfadcan_register(struct hwspecops_t *hwspecops);
-extern int pikronisa_register(struct hwspecops_t *hwspecops);
+extern int gensja1000mm_register(struct hwspecops_t *hwspecops);
extern int gensja1000io_register(struct hwspecops_t *hwspecops);
extern int pimx1_register(struct hwspecops_t *hwspecops);
extern int msmcan_register(struct hwspecops_t *hwspecops);
extern int usbcan_register(struct hwspecops_t *hwspecops);
extern int pcan_pci_register(struct hwspecops_t *hwspecops);
extern int esdpci200_register(struct hwspecops_t *hwspecops);
+extern int esdpci266_register(struct hwspecops_t *hwspecops);
extern int sh7760_register(struct hwspecops_t *hwspecops);
const struct boardtype_t can_boardtypes[]={
#ifdef CONFIG_OC_LINCAN_CARD_bfadcan
{"bfadcan", bfadcan_register, 1},
#endif
- #ifdef CONFIG_OC_LINCAN_CARD_pikronisa
- {"pikronisa", pikronisa_register, 1},
+ #ifdef CONFIG_OC_LINCAN_CARD_gensja1000mm
+ {"gensja1000mm", gensja1000mm_register, 1},
#endif
#ifdef CONFIG_OC_LINCAN_CARD_gensja1000io
{"gensja1000io", gensja1000io_register, 1},
#if defined(CONFIG_OC_LINCAN_CARD_esdpci200)
{"esdpci200", esdpci200_register, 0},
#endif
+ #if defined(CONFIG_OC_LINCAN_CARD_esdpci266)
+ {"esdpci266", esdpci200_register, 0},
+ #endif
#if defined(CONFIG_OC_LINCAN_CARD_tscan1)
{"tscan1", tscan1_register, 1},
{"tscan1mmio", tscan1mmio_register, 1},
can_base_addr_fixup(candev, remap_addr);
CANMSG("esdpci200_sja IO-memory: 0x%lx - 0x%lx (VMA 0x%lx)\n",
(unsigned long) bar2_addr,
- (unsigned long) bar2_addr + pci_resource_len(pcidev,2) - 1,
+ (unsigned long) (bar2_addr + pci_resource_len(pcidev,2) - 1),
(long) remap_addr);
return 0;
void esdpci200_write_register(unsigned data, can_ioptr_t address)
{
- iowrite8((u8)data,(void*)address);
+ iowrite8((u8)data,address);
wmb();
}
unsigned esdpci200_read_register(can_ioptr_t address)
{
- return ioread8((void*)address);
+ return ioread8(address);
}
int esdpci200_reset(struct candevice_t *candev)
--- /dev/null
+/* esdpci266.c - support for ESD PCI/PMC 266 cards
+ * Linux CAN-bus device driver.
+ * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
+ * This software is released under the GPL-License.
+ * Version lincan-0.3 17 Jun 2004
+ */
+
+#include "../include/can.h"
+#include "../include/can_sysdep.h"
+#include "../include/main.h"
+#include "../include/sja1000p.h"
+
+#ifdef CAN_ENABLE_PCI_SUPPORT
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10))
+#define ioread32 can_readl
+#define iowrite32 can_writel
+#define ioread8 can_readb
+#define iowrite8 can_writeb
+#define wmb()
+#define rmb()
+#endif
+
+#define PLX_9056_VENDOR_ID 0x10B5
+#define PLX_9056_DEVICE_ID 0x9056
+#define ESDPCI266_PCI_VENDOR_ID 0x12FE
+#define ESDPCI266_PCI_PRODUCT_ID 0x000E
+
+/* PCI to local bus bridge PLX9050 */
+#define ESDPCI266_BYTES_PER_CIRCUIT 0x100
+
+void esdpci266_enable_irq(struct candevice_t *candev)
+{
+ uint32_t intcsr;
+ can_ioptr_t addr = candev->aux_base_addr + 0x68;
+ intcsr = ioread32(addr);
+ intcsr |= 0x900;
+ iowrite32(intcsr, addr);
+}
+
+void esdpci266_disable_irq(struct candevice_t *candev)
+{
+ uint32_t intcsr;
+ can_ioptr_t addr = candev->aux_base_addr + 0x68;
+ intcsr = ioread32(addr);
+ intcsr &= ~0x900;
+ iowrite32(intcsr, addr);
+}
+
+int esdpci266_request_io(struct candevice_t *candev)
+{
+ unsigned long addr, size;
+ can_ioptr_t remap_addr;
+ struct pci_dev *dev = candev->sysdevptr.pcidev;
+
+ /* request memory region for SJA chips window */
+ if (pci_request_region(dev, 2, "ESD PCI/PMC 266 - MEM") != 0) {
+ printk("lincan: request of memory range failed\n");
+ return -ENODEV;
+ }
+
+ /* determine address and size of memory window #2 */
+ addr = pci_resource_start(dev, 2);
+ size = pci_resource_len(dev, 2);
+
+ /* remap to kernel address space */
+ remap_addr = ioremap(addr, size);
+
+ if (!remap_addr) {
+ printk("lincan: Unable to access I/O memory at: 0x%lx\n", addr);
+ pci_release_region(dev, 2);
+ return -ENODEV;
+ }
+
+ /* remap base device address */
+ can_base_addr_fixup(candev, remap_addr);
+
+ /* request memory region for PLX registers */
+ if (pci_request_region(dev, 0, "ESD PCI/PMC 266 - PLX9056") != 0) {
+ printk("lincan: request of memory range failed\n");
+ iounmap(candev->dev_base_addr);
+ pci_release_region(dev, 2);
+ return -ENODEV;
+ }
+
+ /* determine address and size of memory window #2 */
+ addr = pci_resource_start(dev, 0);
+ size = pci_resource_len(dev, 0);
+
+ /* remap to kernel address space */
+ remap_addr = ioremap(addr, size);
+
+ if (!remap_addr) {
+ printk("lincan: Unable to access I/O memory at: 0x%lx\n", addr);
+ pci_release_region(dev, 0);
+ iounmap(candev->dev_base_addr);
+ pci_release_region(dev, 2);
+ return -ENODEV;
+ }
+
+ /* save address of PLX regs */
+ candev->aux_base_addr = remap_addr;
+
+ /* enable irqs */
+ esdpci266_enable_irq(candev);
+
+ return 0;
+}
+
+int esdpci266_release_io(struct candevice_t *candev)
+{
+ esdpci266_disable_irq(candev);
+ iounmap(candev->aux_base_addr);
+ pci_release_region(candev->sysdevptr.pcidev, 0);
+ iounmap(candev->dev_base_addr);
+ pci_release_region(candev->sysdevptr.pcidev, 2);
+ return 0;
+}
+
+void esdpci266_write_register(unsigned data, can_ioptr_t address)
+{
+ iowrite8(data, address);
+ wmb();
+}
+
+unsigned esdpci266_read_register(can_ioptr_t address)
+{
+ return ioread8(address);
+}
+
+int esdpci266_reset(struct candevice_t *candev)
+{
+ int i = 0, chip_nr;
+ struct canchip_t *chip;
+ unsigned cdr;
+
+ printk("lincan: resetting ESD PCI/PMC 266 hardware ...\n");
+
+ for (chip_nr = 0; chip_nr < candev->nr_all_chips; chip_nr++) {
+ if (!candev->chip[chip_nr])
+ continue;
+
+ printk("lincan: resetting SJA1000 chip nr. %d\n", chip_nr);
+
+ chip = candev->chip[chip_nr];
+
+ esdpci266_write_register(sjaMOD_RM,
+ chip->chip_base_addr + SJAMOD);
+ udelay(1000);
+
+ cdr = esdpci266_read_register(chip->chip_base_addr + SJACDR);
+ esdpci266_write_register(cdr | sjaCDR_PELICAN,
+ chip->chip_base_addr + SJACDR);
+ esdpci266_write_register(0, chip->chip_base_addr + SJAIER);
+
+ i = 20;
+ esdpci266_write_register(0, chip->chip_base_addr + SJAMOD);
+ while (esdpci266_read_register(chip->chip_base_addr + SJAMOD) &
+ sjaMOD_RM) {
+ if (!i--)
+ return -ENODEV;
+ udelay(1000);
+ esdpci266_write_register(0,
+ chip->chip_base_addr + SJAMOD);
+ }
+
+ cdr = esdpci266_read_register(chip->chip_base_addr + SJACDR);
+ esdpci266_write_register(cdr | sjaCDR_PELICAN,
+ chip->chip_base_addr + SJACDR);
+ esdpci266_write_register(0, chip->chip_base_addr + SJAIER);
+ esdpci266_read_register(chip->chip_base_addr + SJAIR);
+ }
+
+ return 0;
+}
+
+int esdpci266_init_hw_data(struct candevice_t *candev)
+{
+ struct pci_dev *pcidev = NULL;
+
+ printk("lincan: search for ESD PCI/PMC 266 board ...\n");
+
+ do {
+ pcidev =
+ pci_find_device(PLX_9056_VENDOR_ID, PLX_9056_DEVICE_ID,
+ pcidev);
+ if (pcidev == NULL)
+ return -ENODEV;
+ if (pcidev->subsystem_vendor != ESDPCI266_PCI_VENDOR_ID
+ || pcidev->subsystem_device != ESDPCI266_PCI_PRODUCT_ID) {
+ printk
+ ("PLX9056 found, subvendor/subdevice mismatch (%04d:%04d)\n",
+ pcidev->subsystem_vendor,
+ pcidev->subsystem_device);
+ continue;
+ }
+ } while (can_check_dev_taken(pcidev));
+
+ if (pci_enable_device(pcidev)) {
+ printk("lincan: pci_enable_device() failed\n");
+ return -EIO;
+ }
+
+ candev->sysdevptr.pcidev = pcidev;
+
+ candev->io_addr = pci_resource_start(pcidev, 2);
+ candev->dev_base_addr = 0;
+ candev->res_addr = 0;
+ candev->nr_82527_chips = 0;
+ candev->nr_sja1000_chips = 2;
+ candev->nr_all_chips = 2;
+
+ printk("lincan: ESD PCI/PMC 266 board found (%lx)\n", candev->io_addr);
+
+ return 0;
+}
+
+int esdpci266_init_chip_data(struct candevice_t *candev, int chipnr)
+{
+ if (candev->sysdevptr.pcidev == NULL)
+ return -ENODEV;
+
+ candev->chip[chipnr]->chip_irq = candev->sysdevptr.pcidev->irq;
+ sja1000p_fill_chipspecops(candev->chip[chipnr]);
+ candev->chip[chipnr]->chip_base_addr =
+ candev->dev_base_addr + chipnr * ESDPCI266_BYTES_PER_CIRCUIT;
+ candev->chip[chipnr]->clock = 16000000;
+ candev->chip[chipnr]->int_clk_reg = 0;
+ candev->chip[chipnr]->int_bus_reg = 0;
+ candev->chip[chipnr]->sja_cdr_reg = sjaCDR_CBP | sjaCDR_CLK_OFF;
+ candev->chip[chipnr]->sja_ocr_reg = sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;
+ candev->chip[chipnr]->flags |= CHIP_IRQ_PCI;
+ return 0;
+}
+
+int esdpci266_init_obj_data(struct canchip_t *chip, int objnr)
+{
+ chip->msgobj[objnr]->obj_base_addr = chip->chip_base_addr;
+ return 0;
+}
+
+int esdpci266_program_irq(struct candevice_t *candev)
+{
+ return 0;
+}
+
+int esdpci266_register(struct hwspecops_t *hwspecops)
+{
+ hwspecops->request_io = esdpci266_request_io;
+ hwspecops->release_io = esdpci266_release_io;
+ hwspecops->reset = esdpci266_reset;
+ hwspecops->init_hw_data = esdpci266_init_hw_data;
+ hwspecops->init_chip_data = esdpci266_init_chip_data;
+ hwspecops->init_obj_data = esdpci266_init_obj_data;
+ hwspecops->write_register = esdpci266_write_register;
+ hwspecops->read_register = esdpci266_read_register;
+ hwspecops->program_irq = esdpci266_program_irq;
+ return 0;
+}
+
+#endif /* CAN_ENABLE_PCI_SUPPORT */
candev->chip[chipnr]->chip_base_addr=can_ioport2ioptr(candev->io_addr);
if(candev->chip[chipnr]->clock<=0)
- candev->chip[chipnr]->clock = 16000000;
+ candev->chip[chipnr]->clock = 16000000;
candev->chip[chipnr]->int_clk_reg = 0x0;
candev->chip[chipnr]->int_bus_reg = 0x0;
candev->chip[chipnr]->sja_cdr_reg = sjaCDR_CBP | sjaCDR_CLK_OFF;
-/* pikronisa.c
+/* gensja1000mm.c
* Linux CAN-bus device driver.
* Written by Arnaud Westenberg email:arnaud@wanadoo.nl
* Rewritten for new CAN queues by Pavel Pisa - OCERA team member
#include "../include/can.h"
#include "../include/can_sysdep.h"
#include "../include/main.h"
-#include "../include/pikronisa.h"
+#include "../include/gensja1000mm.h"
#include "../include/sja1000p.h"
/*
#define IO_RANGE 0x100
/**
- * pikronisa_request_io: - reserve io or memory range for can board
+ * gensja1000mm_request_io: - reserve io or memory range for can board
* @candev: pointer to candevice/board which asks for io. Field @io_addr
* of @candev is used in most cases to define start of the range
*
- * The function pikronisa_request_io() is used to reserve the io-memory. If your
+ * The function gensja1000mm_request_io() is used to reserve the io-memory. If your
* hardware uses a dedicated memory range as hardware control registers you
* will have to add the code to reserve this memory as well.
* %IO_RANGE is the io-memory range that gets reserved, please adjust according
* your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or
* #define IO_RANGE 0x20 for sja1000 chips in basic CAN mode.
* Return Value: The function returns zero on success or %-ENODEV on failure
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_request_io(struct candevice_t *candev)
+int gensja1000mm_request_io(struct candevice_t *candev)
{
can_ioptr_t remap_addr;
- if (!can_request_mem_region(candev->io_addr,IO_RANGE,DEVICE_NAME " - pikronisa")) {
+ if (!can_request_mem_region(candev->io_addr,IO_RANGE,DEVICE_NAME)) {
CANMSG("Unable to request IO-memory: 0x%lx\n",candev->io_addr);
return -ENODEV;
}
}
/**
- * pikronisa_elease_io - free reserved io memory range
+ * gensja1000mm_elease_io - free reserved io memory range
* @candev: pointer to candevice/board which releases io
*
- * The function pikronisa_release_io() is used to free reserved io-memory.
+ * The function gensja1000mm_release_io() is used to free reserved io-memory.
* In case you have reserved more io memory, don't forget to free it here.
* IO_RANGE is the io-memory range that gets released, please adjust according
* your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or
* #define IO_RANGE 0x20 for sja1000 chips in basic CAN mode.
* Return Value: The function always returns zero
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_release_io(struct candevice_t *candev)
+int gensja1000mm_release_io(struct candevice_t *candev)
{
/* release I/O memory mapping */
iounmap(candev->dev_base_addr);
}
/**
- * pikronisa_reset - hardware reset routine
+ * gensja1000mm_reset - hardware reset routine
* @candev: Pointer to candevice/board structure
*
- * The function pikronisa_reset() is used to give a hardware reset. This is
+ * The function gensja1000mm_reset() is used to give a hardware reset. This is
* rather hardware specific so I haven't included example code. Don't forget to
* check the reset status of the chip before returning.
* Return Value: The function returns zero on success or %-ENODEV on failure
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_reset(struct candevice_t *candev)
+int gensja1000mm_reset(struct candevice_t *candev)
{
int i;
struct canchip_t *chip=candev->chip[0];
unsigned cdr;
- pikronisa_write_register(sjaMOD_RM, chip->chip_base_addr+SJAMOD);
+ gensja1000mm_write_register(sjaMOD_RM, chip->chip_base_addr+SJAMOD);
udelay(1000);
- cdr=pikronisa_read_register(chip->chip_base_addr+SJACDR);
- pikronisa_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR);
+ cdr=gensja1000mm_read_register(chip->chip_base_addr+SJACDR);
+ gensja1000mm_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR);
- pikronisa_write_register(0, chip->chip_base_addr+SJAIER);
+ gensja1000mm_write_register(0, chip->chip_base_addr+SJAIER);
i=20;
- pikronisa_write_register(0, chip->chip_base_addr+SJAMOD);
- while (pikronisa_read_register(chip->chip_base_addr+SJAMOD)&sjaMOD_RM){
+ gensja1000mm_write_register(0, chip->chip_base_addr+SJAMOD);
+ while (gensja1000mm_read_register(chip->chip_base_addr+SJAMOD)&sjaMOD_RM){
if(!i--) return -ENODEV;
udelay(1000);
- pikronisa_write_register(0, chip->chip_base_addr+SJAMOD);
+ gensja1000mm_write_register(0, chip->chip_base_addr+SJAMOD);
}
- cdr=pikronisa_read_register(chip->chip_base_addr+SJACDR);
- pikronisa_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR);
+ cdr=gensja1000mm_read_register(chip->chip_base_addr+SJACDR);
+ gensja1000mm_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR);
- pikronisa_write_register(0, chip->chip_base_addr+SJAIER);
+ gensja1000mm_write_register(0, chip->chip_base_addr+SJAIER);
return 0;
}
#define NR_SJA1000 1
/**
- * pikronisa_init_hw_data - Initialize hardware cards
+ * gensja1000mm_init_hw_data - Initialize hardware cards
* @candev: Pointer to candevice/board structure
*
- * The function pikronisa_init_hw_data() is used to initialize the hardware
+ * The function gensja1000mm_init_hw_data() is used to initialize the hardware
* structure containing information about the installed CAN-board.
* %RESET_ADDR represents the io-address of the hardware reset register.
* %NR_82527 represents the number of intel 82527 chips on the board.
* The flags entry can currently only be %CANDEV_PROGRAMMABLE_IRQ to indicate that
* the hardware uses programmable interrupts.
* Return Value: The function always returns zero
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_init_hw_data(struct candevice_t *candev)
+int gensja1000mm_init_hw_data(struct candevice_t *candev)
{
candev->res_addr=RESET_ADDR;
candev->nr_82527_chips=0;
}
/**
- * pikronisa_init_chip_data - Initialize chips
+ * gensja1000mm_init_chip_data - Initialize chips
* @candev: Pointer to candevice/board structure
* @chipnr: Number of the CAN chip on the hardware card
*
- * The function pikronisa_init_chip_data() is used to initialize the hardware
+ * The function gensja1000mm_init_chip_data() is used to initialize the hardware
* structure containing information about the CAN chips.
* %CHIP_TYPE represents the type of CAN chip. %CHIP_TYPE can be "i82527" or
* "sja1000".
* register. Options defined in the %i82527.h file:
* %iCPU_CEN, %iCPU_MUX, %iCPU_SLP, %iCPU_PWD, %iCPU_DMC, %iCPU_DSC, %iCPU_RST.
* Return Value: The function always returns zero
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_init_chip_data(struct candevice_t *candev, int chipnr)
+int gensja1000mm_init_chip_data(struct candevice_t *candev, int chipnr)
{
/*sja1000_fill_chipspecops(candev->chip[chipnr]);*/
sja1000p_fill_chipspecops(candev->chip[chipnr]);
candev->chip[chipnr]->chip_base_addr=candev->dev_base_addr;
- candev->chip[chipnr]->clock = 24000000;
+ if(candev->chip[chipnr]->clock<=0)
+ candev->chip[chipnr]->clock = 16000000;
candev->chip[chipnr]->int_clk_reg = 0x0;
candev->chip[chipnr]->int_bus_reg = 0x0;
candev->chip[chipnr]->sja_cdr_reg = sjaCDR_CBP | sjaCDR_CLK_OFF;
}
/**
- * pikronisa_init_obj_data - Initialize message buffers
+ * gensja1000mm_init_obj_data - Initialize message buffers
* @chip: Pointer to chip specific structure
* @objnr: Number of the message buffer
*
- * The function pikronisa_init_obj_data() is used to initialize the hardware
+ * The function gensja1000mm_init_obj_data() is used to initialize the hardware
* structure containing information about the different message objects on the
* CAN chip. In case of the sja1000 there's only one message object but on the
* i82527 chip there are 15.
* base address.
* Unless the hardware uses a segmented memory map, flags can be set zero.
* Return Value: The function always returns zero
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_init_obj_data(struct canchip_t *chip, int objnr)
+int gensja1000mm_init_obj_data(struct canchip_t *chip, int objnr)
{
chip->msgobj[objnr]->obj_base_addr=chip->chip_base_addr;
return 0;
}
/**
- * pikronisa_program_irq - program interrupts
+ * gensja1000mm_program_irq - program interrupts
* @candev: Pointer to candevice/board structure
*
- * The function pikronisa_program_irq() is used for hardware that uses
+ * The function gensja1000mm_program_irq() is used for hardware that uses
* programmable interrupts. If your hardware doesn't use programmable interrupts
* you should not set the @candevices_t->flags entry to %CANDEV_PROGRAMMABLE_IRQ and
* leave this function unedited. Again this function is hardware specific so
* there's no example code.
* Return value: The function returns zero on success or %-ENODEV on failure
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-int pikronisa_program_irq(struct candevice_t *candev)
+int gensja1000mm_program_irq(struct candevice_t *candev)
{
return 0;
}
/**
- * pikronisa_write_register - Low level write register routine
+ * gensja1000mm_write_register - Low level write register routine
* @data: data to be written
* @address: memory address to write to
*
- * The function pikronisa_write_register() is used to write to hardware registers
+ * The function gensja1000mm_write_register() is used to write to hardware registers
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific write process.
* Return Value: The function does not return a value
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-void pikronisa_write_register(unsigned data, can_ioptr_t address)
+void gensja1000mm_write_register(unsigned data, can_ioptr_t address)
{
- /*DEBUGMSG("pikronisa_write_register: addr=0x%lx data=0x%x",
+ /*DEBUGMSG("gensja1000mm_write_register: addr=0x%lx data=0x%x",
address,data);*/
can_writeb(data,address);
}
/**
- * pikronisa_read_register - Low level read register routine
+ * gensja1000mm_read_register - Low level read register routine
* @address: memory address to read from
*
- * The function pikronisa_read_register() is used to read from hardware registers
+ * The function gensja1000mm_read_register() is used to read from hardware registers
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific read process.
* Return Value: The function returns the value stored in @address
- * File: src/pikronisa.c
+ * File: src/gensja1000mm.c
*/
-unsigned pikronisa_read_register(can_ioptr_t address)
+unsigned gensja1000mm_read_register(can_ioptr_t address)
{
return can_readb(address);
}
/* !!! Don't change this function !!! */
-int pikronisa_register(struct hwspecops_t *hwspecops)
+int gensja1000mm_register(struct hwspecops_t *hwspecops)
{
- hwspecops->request_io = pikronisa_request_io;
- hwspecops->release_io = pikronisa_release_io;
- hwspecops->reset = pikronisa_reset;
- hwspecops->init_hw_data = pikronisa_init_hw_data;
- hwspecops->init_chip_data = pikronisa_init_chip_data;
- hwspecops->init_obj_data = pikronisa_init_obj_data;
- hwspecops->write_register = pikronisa_write_register;
- hwspecops->read_register = pikronisa_read_register;
- hwspecops->program_irq = pikronisa_program_irq;
+ hwspecops->request_io = gensja1000mm_request_io;
+ hwspecops->release_io = gensja1000mm_release_io;
+ hwspecops->reset = gensja1000mm_reset;
+ hwspecops->init_hw_data = gensja1000mm_init_hw_data;
+ hwspecops->init_chip_data = gensja1000mm_init_chip_data;
+ hwspecops->init_obj_data = gensja1000mm_init_obj_data;
+ hwspecops->write_register = gensja1000mm_write_register;
+ hwspecops->read_register = gensja1000mm_read_register;
+ hwspecops->program_irq = gensja1000mm_program_irq;
return 0;
}
projects / lincan.git / commitdiff