static void __init
yucca_setup_hoses(void)
{
struct pci_controller *hose;
char name[20];
int i;
if (0 && ppc440spe_init_pcie()) {
printk(KERN_WARNING "PPC440SPe PCI Express initialization failed\n");
return;
}
for (i = 0; i <= 2; ++i) {
if (!yucca_pcie_card_present(i))
continue;
printk(KERN_INFO "PCIE%d: card present\n", i);
yucca_setup_pcie_fpga_rootpoint(i);
if (ppc440spe_init_pcie_rootport(i)) {
printk(KERN_WARNING "PCIE%d: initialization failed\n", i);
continue;
}
hose = pcibios_alloc_controller();
if (!hose)
return;
sprintf(name, "PCIE%d host bridge", i);
pci_init_resource(&hose->io_resource,
YUCCA_PCIX_LOWER_IO,
YUCCA_PCIX_UPPER_IO,
IORESOURCE_IO,
name);
hose->mem_space.start = YUCCA_PCIE_LOWER_MEM +
i * YUCCA_PCIE_MEM_SIZE;
hose->mem_space.end = hose->mem_space.start +
YUCCA_PCIE_MEM_SIZE - 1;
pci_init_resource(&hose->mem_resources[0],
hose->mem_space.start,
hose->mem_space.end,
IORESOURCE_MEM,
name);
hose->first_busno = 0;
hose->last_busno = 15;
hose_type[hose->index] = HOSE_PCIE0 + i;
ppc440spe_setup_pcie(hose, i);
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
}
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = yucca_map_irq;
}
void pcie_setup_hoses(int busno)
{
struct pci_controller *hose;
int i, bus;
char *env;
unsigned int delay;
/*
* assume we're called after the PCIX hose is initialized, which takes
* bus ID 0 and therefore start numbering PCIe's from 1.
*/
bus = busno;
for (i = 0; i <= 2; i++) {
/* Check for yucca card presence */
if (!yucca_pcie_card_present(i))
continue;
#ifdef PCIE_ENDPOINT
yucca_setup_pcie_fpga_endpoint(i);
if (ppc440spe_init_pcie_endport(i)) {
#else
yucca_setup_pcie_fpga_rootpoint(i);
if (ppc440spe_init_pcie_rootport(i)) {
#endif
printf("PCIE%d: initialization failed\n", i);
continue;
}
hose = &pcie_hose[i];
hose->first_busno = bus;
hose->last_busno = bus;
hose->current_busno = bus;
/* setup mem resource */
pci_set_region(hose->regions + 0,
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
CFG_PCIE_MEMSIZE,
PCI_REGION_MEM
);
hose->region_count = 1;
pci_register_hose(hose);
#ifdef PCIE_ENDPOINT
ppc440spe_setup_pcie_endpoint(hose, i);
/*
* Reson for no scanning is endpoint can not generate
* upstream configuration accesses.
*/
#else
ppc440spe_setup_pcie_rootpoint(hose, i);
env = getenv ("pciscandelay");
if (env != NULL) {
delay = simple_strtoul (env, NULL, 10);
if (delay > 5)
printf ("Warning, expect noticable delay before PCIe"
"scan due to 'pciscandelay' value!\n");
mdelay (delay * 1000);
}
/*
* Config access can only go down stream
*/
hose->last_busno = pci_hose_scan(hose);
bus = hose->last_busno + 1;
#endif
}
}
#endif /* defined(CONFIG_PCI) */
int misc_init_f (void)
{
uint reg;
#if defined(CONFIG_STRESS)
uint i ;
uint disp;
#endif
out16(FPGA_REG10, (in16(FPGA_REG10) &
~(FPGA_REG10_AUTO_NEG_DIS|FPGA_REG10_RESET_ETH)) |
FPGA_REG10_10MHZ_ENABLE |
FPGA_REG10_100MHZ_ENABLE |
FPGA_REG10_GIGABIT_ENABLE |
FPGA_REG10_FULL_DUPLEX );
udelay(10000); /* wait 10ms */
out16(FPGA_REG10, (in16(FPGA_REG10) | FPGA_REG10_RESET_ETH));
/* minimal init for PCIe */
/* pci express 0 Endpoint Mode */
mfsdr(SDR0_PE0DLPSET, reg);
reg &= (~0x00400000);
mtsdr(SDR0_PE0DLPSET, reg);
/* pci express 1 Rootpoint Mode */
mfsdr(SDR0_PE1DLPSET, reg);
reg |= 0x00400000;
mtsdr(SDR0_PE1DLPSET, reg);
/* pci express 2 Rootpoint Mode */
mfsdr(SDR0_PE2DLPSET, reg);
reg |= 0x00400000;
mtsdr(SDR0_PE2DLPSET, reg);
out16(FPGA_REG1C,(in16 (FPGA_REG1C) &
~FPGA_REG1C_PE0_ROOTPOINT &
~FPGA_REG1C_PE1_ENDPOINT &
~FPGA_REG1C_PE2_ENDPOINT));
#if defined(CONFIG_STRESS)
/*
* all this setting done by linux only needed by stress an charac. test
* procedure
* PCIe 1 Rootpoint PCIe2 Endpoint
* PCIe 0 FIR Pre-emphasis Filter Coefficients & Transmit Driver
* Power Level
*/
for (i = 0, disp = 0; i < 8; i++, disp += 3) {
mfsdr(SDR0_PE0HSSSET1L0 + disp, reg);
reg |= 0x33000000;
mtsdr(SDR0_PE0HSSSET1L0 + disp, reg);
}
/*
* PCIe 1 FIR Pre-emphasis Filter Coefficients & Transmit Driver
* Power Level
*/
for (i = 0, disp = 0; i < 4; i++, disp += 3) {
mfsdr(SDR0_PE1HSSSET1L0 + disp, reg);
reg |= 0x33000000;
mtsdr(SDR0_PE1HSSSET1L0 + disp, reg);
}
/*
* PCIE 2 FIR Pre-emphasis Filter Coefficients & Transmit Driver
* Power Level
*/
for (i = 0, disp = 0; i < 4; i++, disp += 3) {
mfsdr(SDR0_PE2HSSSET1L0 + disp, reg);
reg |= 0x33000000;
mtsdr(SDR0_PE2HSSSET1L0 + disp, reg);
}
reg = 0x21242222;
mtsdr(SDR0_PE2UTLSET1, reg);
reg = 0x11000000;
mtsdr(SDR0_PE2UTLSET2, reg);
/* pci express 1 Endpoint Mode */
reg = 0x00004000;
mtsdr(SDR0_PE2DLPSET, reg);
mtsdr(SDR0_UART1, 0x2080005a); /* patch for TG */
#endif
return 0;
}
