static int __init smsc_setup(void)
{
unsigned char devid, devrev;
smsc_virt = onchip_remap(SMSC_BASE, 1024, "SMSC");
if (!smsc_virt) {
panic("Unable to remap SMSC\n");
}
/* Initially the chip is in run state */
/* Put it into configuration state */
outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
/* Read device ID info */
devid = SMSC_READ_INDEXED(SMSC_DEVICE_ID_INDEX);
devrev = SMSC_READ_INDEXED(SMSC_DEVICE_REV_INDEX);
printk("SMSC devid %02x rev %02x\n", devid, devrev);
/* Select the keyboard device */
SMSC_WRITE_INDEXED(SMSC_KEYBOARD_DEVICE, SMCS_LOGICAL_DEV_INDEX);
/* enable it */
SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
/* Select the interrupts */
/* On a PC keyboard is IRQ1, mouse is IRQ12 */
SMSC_WRITE_INDEXED(1, SMSC_PRIMARY_INT_INDEX);
SMSC_WRITE_INDEXED(12, SMSC_SECONDARY_INT_INDEX);
/* Exit the configuraton state */
outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
return 0;
}
void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
{
cprc_base = onchip_remap(CPRC_BASE, 1024, "CPRC");
BUG_ON(!cprc_base);
if (idx < ARRAY_SIZE(sh5_clk_ops))
*ops = sh5_clk_ops[idx];
}
void init_cayman_irq(void)
{
int i;
epld_virt = onchip_remap(EPLD_BASE, 1024, "EPLD");
if (!epld_virt) {
printk(KERN_ERR "Cayman IRQ: Unable to remap EPLD\n");
return;
}
for (i=0; i<NR_EXT_IRQS; i++) {
irq_desc[START_EXT_IRQS + i].chip = &cayman_irq_type;
}
/* Setup the SMSC interrupt */
setup_irq(SMSC_IRQ, &cayman_action_smsc);
setup_irq(PCI2_IRQ, &cayman_action_pci2);
}
int __init sh5pci_init(unsigned long memStart, unsigned long memSize)
{
u32 lsr0;
u32 uval;
if (request_irq(IRQ_ERR, pcish5_err_irq,
IRQF_DISABLED, "PCI Error",NULL) < 0) {
printk(KERN_ERR "PCISH5: Cannot hook PCI_PERR interrupt\n");
return -EINVAL;
}
if (request_irq(IRQ_SERR, pcish5_serr_irq,
IRQF_DISABLED, "PCI SERR interrupt", NULL) < 0) {
printk(KERN_ERR "PCISH5: Cannot hook PCI_SERR interrupt\n");
return -EINVAL;
}
pcicr_virt = onchip_remap(SH5PCI_ICR_BASE, 1024, "PCICR");
if (!pcicr_virt) {
panic("Unable to remap PCICR\n");
}
PCI_IO_AREA = onchip_remap(SH5PCI_IO_BASE, 0x10000, "PCIIO");
if (!PCI_IO_AREA) {
panic("Unable to remap PCIIO\n");
}
/* Clear snoop registers */
SH5PCI_WRITE(CSCR0, 0);
SH5PCI_WRITE(CSCR1, 0);
/* Switch off interrupts */
SH5PCI_WRITE(INTM, 0);
SH5PCI_WRITE(AINTM, 0);
SH5PCI_WRITE(PINTM, 0);
/* Set bus active, take it out of reset */
uval = SH5PCI_READ(CR);
/* Set command Register */
SH5PCI_WRITE(CR, uval | CR_LOCK_MASK | CR_CFINT| CR_FTO | CR_PFE |
CR_PFCS | CR_BMAM);
uval=SH5PCI_READ(CR);
/* Allow it to be a master */
/* NB - WE DISABLE I/O ACCESS to stop overlap */
/* set WAIT bit to enable stepping, an attempt to improve stability */
SH5PCI_WRITE_SHORT(CSR_CMD,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
PCI_COMMAND_WAIT);
/*
** Set translation mapping memory in order to convert the address
** used for the main bus, to the PCI internal address.
*/
SH5PCI_WRITE(MBR,0x40000000);
/* Always set the max size 512M */
SH5PCI_WRITE(MBMR, PCISH5_MEM_SIZCONV(512*1024*1024));
/*
** I/O addresses are mapped at internal PCI specific address
** as is described into the configuration bridge table.
** These are changed to 0, to allow cards that have legacy
** io such as vga to function correctly. We set the SH5 IOBAR to
** 256K, which is a bit big as we can only have 64K of address space
*/
SH5PCI_WRITE(IOBR,0x0);
/* Set up a 256K window. Totally pointless waste of address space */
SH5PCI_WRITE(IOBMR,0);
/* The SH5 has a HUGE 256K I/O region, which breaks the PCI spec.
* Ideally, we would want to map the I/O region somewhere, but it
* is so big this is not that easy!
*/
SH5PCI_WRITE(CSR_IBAR0,~0);
/* Set memory size value */
memSize = memory_end - memory_start;
/* Now we set up the mbars so the PCI bus can see the memory of
* the machine */
if (memSize < (1024 * 1024)) {
printk(KERN_ERR "PCISH5: Ridiculous memory size of 0x%lx?\n",
memSize);
return -EINVAL;
}
/* Set LSR 0 */
lsr0 = (memSize > (512 * 1024 * 1024)) ? 0x1ff00001 :
((r2p2(memSize) - 0x100000) | 0x1);
SH5PCI_WRITE(LSR0, lsr0);
/* Set MBAR 0 */
SH5PCI_WRITE(CSR_MBAR0, memory_start);
SH5PCI_WRITE(LAR0, memory_start);
SH5PCI_WRITE(CSR_MBAR1,0);
SH5PCI_WRITE(LAR1,0);
SH5PCI_WRITE(LSR1,0);
/* Enable the PCI interrupts on the device */
SH5PCI_WRITE(INTM, ~0);
SH5PCI_WRITE(AINTM, ~0);
SH5PCI_WRITE(PINTM, ~0);
return 0;
}
static int __init smsc_superio_setup(void)
{
unsigned char devid, devrev;
smsc_superio_virt = onchip_remap(SMSC_SUPERIO_BASE, 1024, "SMSC SuperIO");
if (!smsc_superio_virt) {
panic("Unable to remap SMSC SuperIO\n");
}
/* Initially the chip is in run state */
/* Put it into configuration state */
outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
/* Read device ID info */
devid = SMSC_SUPERIO_READ_INDEXED(SMSC_DEVICE_ID_INDEX);
devrev = SMSC_SUPERIO_READ_INDEXED(SMSC_DEVICE_REV_INDEX);
printk("SMSC SuperIO devid %02x rev %02x\n", devid, devrev);
/* Select the keyboard device */
SMSC_SUPERIO_WRITE_INDEXED(SMSC_KEYBOARD_DEVICE, SMCS_LOGICAL_DEV_INDEX);
/* enable it */
SMSC_SUPERIO_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
/* Select the interrupts */
/* On a PC keyboard is IRQ1, mouse is IRQ12 */
SMSC_SUPERIO_WRITE_INDEXED(1, SMSC_PRIMARY_INT_INDEX);
SMSC_SUPERIO_WRITE_INDEXED(12, SMSC_SECONDARY_INT_INDEX);
#ifdef CONFIG_IDE
/*
* Only IDE1 exists on the Cayman
*/
/* Power it on */
SMSC_SUPERIO_WRITE_INDEXED(1 << SMSC_IDE1_DEVICE, 0x22);
SMSC_SUPERIO_WRITE_INDEXED(SMSC_IDE1_DEVICE, SMCS_LOGICAL_DEV_INDEX);
SMSC_SUPERIO_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
SMSC_SUPERIO_WRITE_INDEXED(IDE1_PRIMARY_BASE >> 8,
SMSC_PRIMARY_BASE_INDEX + 0);
SMSC_SUPERIO_WRITE_INDEXED(IDE1_PRIMARY_BASE & 0xff,
SMSC_PRIMARY_BASE_INDEX + 1);
SMSC_SUPERIO_WRITE_INDEXED(IDE1_SECONDARY_BASE >> 8,
SMSC_SECONDARY_BASE_INDEX + 0);
SMSC_SUPERIO_WRITE_INDEXED(IDE1_SECONDARY_BASE & 0xff,
SMSC_SECONDARY_BASE_INDEX + 1);
SMSC_SUPERIO_WRITE_INDEXED(14, SMSC_PRIMARY_INT_INDEX);
SMSC_SUPERIO_WRITE_INDEXED(SMSC_CONFIG_REGISTERS,
SMCS_LOGICAL_DEV_INDEX);
SMSC_SUPERIO_WRITE_INDEXED(0x00, 0xc2); /* GP42 = nIDE1_OE */
SMSC_SUPERIO_WRITE_INDEXED(0x01, 0xc5); /* GP45 = IDE1_IRQ */
SMSC_SUPERIO_WRITE_INDEXED(0x00, 0xc6); /* GP46 = nIOROP */
SMSC_SUPERIO_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */
#endif
/* Exit the configuration state */
outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
return 0;
}
