void static rtc_write_burst(int adr, unsigned char *data, int dataLen)
{
int i;
#ifdef DEBUG
for (i = 0; i < dataLen; i++)
printk(" rtc_write_burst : data=%08x\n", data[i]);
#endif
DBG(" rtc_write_burst : adr=0x%02x\n", adr);
csi1_reset();
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
reg_set32(CSI1_MODE, CSIn_MODE_AUTO, SET_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_TRMD, SET_32_BIT);
io_out32(CSI1_INT, CSIn_INT_CSIEND);
rtc_set_ce(1);
DBG(" rtc_write_burst : CSI1_MODE=%08x\n", io_in32(CSI1_MODE));
DBG(" rtc_write_burst : CSI1_CNT=%08x\n", io_in32(CSI1_CNT));
io_out32(CSI1_SOTBF, ((adr << 4) | 0x00));
for (i = 0; i < dataLen; i++) {
io_out32(CSI1_SOTB, data[i]);
while(!(io_in32(CSI1_INT) & CSIn_INT_CSIEND));
io_out32(CSI1_INT, CSIn_INT_CSIEND);
}
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
rtc_set_ce(0);
}
static inline void csi1_reset(void)
{
/* CSI1 reset */
reg_set32(CSI1_CNT, 0x00008000, SET_32_BIT); /* set CSIRST bit */
__delay(100000);
reg_set32(CSI1_CNT, 0x00008000, CLR_32_BIT); /* clear CSIRST bit */
/* set clock phase */
while(io_in32(CSI1_MODE) & 1);
reg_set32(CSI1_MODE, CSIn_MODE_CSIE, CLR_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_CKP, SET_32_BIT);
//// reg_set32(CSI1_MODE, CSIn_MODE_CKS_208333MHZ, SET_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_CKS_104167MHZ, SET_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_CSIE, SET_32_BIT);
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
}
static inline uint32_t pci_read_dword(uint8_t bus, uint8_t dev, uint8_t func, uint8_t reg)
{
union pci_address addr;
addr.raw = 0;
addr.structure.enable = 1;
addr.structure.bus = bus;
addr.structure.device = dev;
addr.structure.function = func;
addr.structure.reg = reg & 0xfc;
io_out32(&pci_ioaddr, PCI_CONFIG_ADDRESS, addr.raw);
return io_in32(&pci_ioaddr, PCI_CONFIG_DATA);
}
uint32_t pci_readconfig(uint32_t bus, uint32_t slot, uint32_t fun,
uint32_t off) {
uint32_t address;
// enable bit
address = (1UL<<31);
address |= bus << 16;
address |= slot << 11;
address |= fun << 8;
address |= (off & 0xfc);
io_out32(0xcf8, address);
return io_in32(0xcfc);
}
static inline void reg_set32(u32 offset, u32 mask, u32 val)
{
u32 val0 = io_in32(offset);
io_out32(offset, (val & mask) | (val0 & ~mask));
}
void static rtc_read_burst(int adr, unsigned char *data, int dataLen)
{
int i;
DBG(" rtc_read_burst : adr=0x%02x\n", adr);
csi1_reset();
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
reg_set32(CSI1_MODE, CSIn_MODE_AUTO, CLR_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_TRMD, SET_32_BIT);
io_out32(CSI1_INT, CSIn_INT_CSIEND);
rtc_set_ce(1);
DBG(" rtc_read_burst : CSI1_MODE=%08x\n", io_in32(CSI1_MODE));
DBG(" rtc_read_burst : CSI1_CNT=%08x\n", io_in32(CSI1_CNT));
io_out32(CSI1_SOTB, (((adr & 0xf) << 4) | 0x04));
while(!(io_in32(CSI1_INT) & CSIn_INT_CSIEND));
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
reg_set32(CSI1_MODE, CSIn_MODE_AUTO, SET_32_BIT);
reg_set32(CSI1_MODE, CSIn_MODE_TRMD, CLR_32_BIT);
io_out32(CSI1_INT, CSIn_INT_CSIEND);
udelay(50);
DBG(" rtc_read_burst : CSI1_MODE=%08x\n", io_in32(CSI1_MODE));
DBG(" rtc_read_burst : CSI1_CNT=%08x\n", io_in32(CSI1_CNT));
io_in32(CSI1_SIRB); /* dummy read */
//// io_out32(CSI1_INT, CSIn_INT_CSIEND);
for (i = 0; i < dataLen; i++) {
while(!(io_in32(CSI1_INT) & CSIn_INT_CSIEND));
io_out32(CSI1_INT, CSIn_INT_CSIEND);
data[i] = io_in32(CSI1_SIRB);
}
while(io_in32(CSI1_MODE) & CSIn_MODE_CSOT);
rtc_set_ce(0);
#ifdef DEBUG
for (i = 0; i < dataLen; i++)
printk(" rtc_read_burst : data=%08x\n", data[i]);
#endif
}
