void pci_init_board(void)
{
struct pci_controller* hose = (struct pci_controller *)&local_hose;
u16 reg16;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_set_region(hose->regions + 0,
CONFIG_SYS_PCI_MEMORY_BUS,
CONFIG_SYS_PCI_MEMORY_PHYS,
CONFIG_SYS_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CONFIG_SYS_PCI_MEM_BUS,
CONFIG_SYS_PCI_MEM_PHYS,
CONFIG_SYS_PCI_MEM_SIZE,
PCI_REGION_MEM);
/* ISA/PCI memory space */
pci_set_region(hose->regions + 2,
CONFIG_SYS_ISA_MEM_BUS,
CONFIG_SYS_ISA_MEM_PHYS,
CONFIG_SYS_ISA_MEM_SIZE,
PCI_REGION_MEM);
/* PCI I/O space */
pci_set_region(hose->regions + 3,
CONFIG_SYS_PCI_IO_BUS,
CONFIG_SYS_PCI_IO_PHYS,
CONFIG_SYS_PCI_IO_SIZE,
PCI_REGION_IO);
/* ISA/PCI I/O space */
pci_set_region(hose->regions + 4,
CONFIG_SYS_ISA_IO_BUS,
CONFIG_SYS_ISA_IO_PHYS,
CONFIG_SYS_ISA_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 5;
pci_setup_indirect(hose,
MPC106_REG_ADDR,
MPC106_REG_DATA);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
/* Initialises the MPC10x PCI Configuration regs. */
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/* Clear non-reserved bits in status register */
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
}
int fsl_setup_hose(struct pci_controller *hose, unsigned long addr)
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) addr;
pci_setup_indirect(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
return fsl_is_pci_agent(hose);
}
static void ftpci_preinit(struct ftpci100_data *priv)
{
struct ftpci100_ahbc *ftpci100;
struct pci_controller *hose = (struct pci_controller *)&local_hose;
u32 pci_config_addr;
u32 pci_config_data;
priv->reg_base = CONFIG_FTPCI100_BASE;
priv->io_base = CONFIG_FTPCI100_BASE + CONFIG_FTPCI100_IO_SIZE;
priv->mmio_base = CONFIG_FTPCI100_MEM_BASE;
priv->mem_base = CONFIG_FTPCI100_MEM_BASE + CONFIG_FTPCI100_MEM_SIZE;
ftpci100 = (struct ftpci100_ahbc *)priv->reg_base;
pci_config_addr = (u32) &ftpci100->conf;
pci_config_data = (u32) &ftpci100->data;
/* print device name */
printf("FTPCI100\n");
/* dump basic configuration */
debug("%s: Config addr is %08X, data port is %08X\n",
__func__, pci_config_addr, pci_config_data);
/* PCI memory space */
pci_set_region(hose->regions + 0,
CONFIG_PCI_MEM_BUS,
CONFIG_PCI_MEM_PHYS,
CONFIG_PCI_MEM_SIZE,
PCI_REGION_MEM);
hose->region_count++;
/* PCI IO space */
pci_set_region(hose->regions + 1,
CONFIG_PCI_IO_BUS,
CONFIG_PCI_IO_PHYS,
CONFIG_PCI_IO_SIZE,
PCI_REGION_IO);
hose->region_count++;
#if defined(CONFIG_PCI_SYS_BUS)
/* PCI System Memory space */
pci_set_region(hose->regions + 2,
CONFIG_PCI_SYS_BUS,
CONFIG_PCI_SYS_PHYS,
CONFIG_PCI_SYS_SIZE,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
hose->region_count++;
#endif
/* setup indirect read/write function */
pci_setup_indirect(hose, pci_config_addr, pci_config_data);
/* register hose */
pci_register_hose(hose);
}
int fsl_setup_hose(struct pci_controller *hose, unsigned long addr)
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) addr;
/* Reset hose to make sure its in a clean state */
memset(hose, 0, sizeof(struct pci_controller));
pci_setup_indirect(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
return fsl_is_pci_agent(hose);
}
void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
{
u16 temp16;
u32 temp32;
int enabled, r, inbound = 0;
u16 ltssm;
u8 temp8, pcie_cap;
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)cfg_addr;
struct pci_region *reg = hose->regions + hose->region_count;
pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
/* Initialize ATMU registers based on hose regions and flags */
volatile pot_t *po = &pci->pot[1]; /* skip 0 */
volatile pit_t *pi = &pci->pit[2]; /* ranges from: 3 to 1 */
u64 out_hi = 0, out_lo = -1ULL;
u32 pcicsrbar, pcicsrbar_sz;
#ifdef DEBUG
int neg_link_w;
#endif
pci_setup_indirect(hose, cfg_addr, cfg_data);
/* Handle setup of outbound windows first */
for (r = 0; r < hose->region_count; r++) {
unsigned long flags = hose->regions[r].flags;
u32 sz = (__ilog2_u64((u64)hose->regions[r].size) - 1);
flags &= PCI_REGION_SYS_MEMORY|PCI_REGION_TYPE;
if (flags != PCI_REGION_SYS_MEMORY) {
u64 start = hose->regions[r].bus_start;
u64 end = start + hose->regions[r].size;
out_be32(&po->powbar, hose->regions[r].phys_start >> 12);
out_be32(&po->potar, start >> 12);
#ifdef CONFIG_SYS_PCI_64BIT
out_be32(&po->potear, start >> 44);
#else
out_be32(&po->potear, 0);
#endif
if (hose->regions[r].flags & PCI_REGION_IO) {
out_be32(&po->powar, POWAR_EN | sz |
POWAR_IO_READ | POWAR_IO_WRITE);
} else {
out_be32(&po->powar, POWAR_EN | sz |
POWAR_MEM_READ | POWAR_MEM_WRITE);
out_lo = min(start, out_lo);
out_hi = max(end, out_hi);
}
po++;
}
}
void pci_mpc824x_init (struct pci_controller *hose)
{
hose->first_busno = 0;
hose->last_busno = 0xff;
/* System memory space */
pci_set_region(hose->regions + 0,
CHRP_PCI_MEMORY_BUS,
CHRP_PCI_MEMORY_PHYS,
CHRP_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CHRP_PCI_MEM_BUS,
CHRP_PCI_MEM_PHYS,
CHRP_PCI_MEM_SIZE,
PCI_REGION_MEM);
/* ISA/PCI memory space */
pci_set_region(hose->regions + 2,
CHRP_ISA_MEM_BUS,
CHRP_ISA_MEM_PHYS,
CHRP_ISA_MEM_SIZE,
PCI_REGION_MEM);
/* PCI I/O space */
pci_set_region(hose->regions + 3,
CHRP_PCI_IO_BUS,
CHRP_PCI_IO_PHYS,
CHRP_PCI_IO_SIZE,
PCI_REGION_IO);
/* ISA/PCI I/O space */
pci_set_region(hose->regions + 4,
CHRP_ISA_IO_BUS,
CHRP_ISA_IO_PHYS,
CHRP_ISA_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 5;
pci_setup_indirect(hose,
CHRP_REG_ADDR,
CHRP_REG_DATA);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
}
/**********************************************************************
* pci_init_board()
*********************************************************************/
void pci_init_board(void)
#ifdef CONFIG_PCISLAVE
{
u16 reg16;
volatile immap_t *immr;
volatile law83xx_t *pci_law;
volatile pot83xx_t *pci_pot;
volatile pcictrl83xx_t *pci_ctrl;
volatile pciconf83xx_t *pci_conf;
immr = (immap_t *) CFG_IMMR;
pci_law = immr->sysconf.pcilaw;
pci_pot = immr->ios.pot;
pci_ctrl = immr->pci_ctrl;
pci_conf = immr->pci_conf;
/*
* Configure PCI Inbound Translation Windows
*/
pci_ctrl[0].pitar0 = 0x0;
pci_ctrl[0].pibar0 = 0x0;
pci_ctrl[0].piwar0 = PIWAR_EN | PIWAR_RTT_SNOOP |
PIWAR_WTT_SNOOP | PIWAR_IWS_4K;
pci_ctrl[0].pitar1 = 0x0;
pci_ctrl[0].pibar1 = 0x0;
pci_ctrl[0].piebar1 = 0x0;
pci_ctrl[0].piwar1 &= ~PIWAR_EN;
pci_ctrl[0].pitar2 = 0x0;
pci_ctrl[0].pibar2 = 0x0;
pci_ctrl[0].piebar2 = 0x0;
pci_ctrl[0].piwar2 &= ~PIWAR_EN;
hose[0].first_busno = 0;
hose[0].last_busno = 0xff;
pci_setup_indirect(&hose[0],
(CFG_IMMR + 0x8300), (CFG_IMMR + 0x8304));
reg16 = 0xff;
pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0),
PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
PCI_STATUS, 0xffff);
pci_hose_write_config_byte(&hose[0], PCI_BDF(0, 0, 0),
PCI_LATENCY_TIMER, 0x80);
/*
* Unlock configuration lock in PCI function configuration register.
*/
pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0),
PCI_FUNCTION_CONFIG, ®16);
reg16 &= ~(PCI_FUNCTION_CFG_LOCK);
pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
PCI_FUNCTION_CONFIG, reg16);
printf("Enabled PCI 32bit Agent Mode\n");
}
static void pci_init_bus(int bus, struct pci_region *reg)
{
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile pot83xx_t *pot = immr->ios.pot;
volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[bus];
struct pci_controller *hose = &pci_hose[bus];
u32 dev;
u16 reg16;
int i;
if (bus == 1)
pot += 3;
/* Setup outbound translation windows */
for (i = 0; i < 3; i++, reg++, pot++) {
if (reg->size == 0)
break;
hose->regions[i] = *reg;
hose->region_count++;
pot->potar = reg->bus_start >> 12;
pot->pobar = reg->phys_start >> 12;
pot->pocmr = ~(reg->size - 1) >> 12;
if (reg->flags & PCI_REGION_IO)
pot->pocmr |= POCMR_IO;
#ifdef CONFIG_83XX_PCI_STREAMING
else if (reg->flags & PCI_REGION_PREFETCH)
pot->pocmr |= POCMR_SE;
#endif
if (bus == 1)
pot->pocmr |= POCMR_DST;
pot->pocmr |= POCMR_EN;
}
/* Point inbound translation at RAM */
pci_ctrl->pitar1 = 0;
pci_ctrl->pibar1 = 0;
pci_ctrl->piebar1 = 0;
pci_ctrl->piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size - 1));
i = hose->region_count++;
hose->regions[i].bus_start = 0;
hose->regions[i].phys_start = 0;
hose->regions[i].size = gd->ram_size;
hose->regions[i].flags = PCI_REGION_MEM | PCI_REGION_SYS_MEMORY;
hose->first_busno = pci_last_busno() + 1;
hose->last_busno = 0xff;
pci_setup_indirect(hose, CONFIG_SYS_IMMR + 0x8300 + bus * 0x80,
CONFIG_SYS_IMMR + 0x8304 + bus * 0x80);
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
dev = PCI_BDF(hose->first_busno, 0, 0);
pci_hose_read_config_word(hose, dev, PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
#ifndef CONFIG_PCISLAVE
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
#endif
}
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
struct pci_controller *hose = &pci1_hose;
struct pci_config_table *table;
struct pci_region *r = hose->regions;
uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
uint pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter"
);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BASE,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BASE,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
/* relocate config table pointers */
hose->config_table = \
(struct pci_config_table *)((uint)hose->config_table + gd->reloc_off);
for (table = hose->config_table; table && table->vendor; table++)
table->config_device += gd->reloc_off;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
#ifdef CONFIG_PCIX_CHECK
if (!(gur->pordevsr & PORDEVSR_PCI)) {
/* PCI-X init */
if (CONFIG_SYS_CLK_FREQ < 66000000)
printf("PCI-X will only work at 66 MHz\n");
reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
| PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16);
}
#endif
} else {
printf (" PCI: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#ifdef CONFIG_PCI2
{
uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
if (pci_dual) {
printf (" PCI2: 32 bit, 66 MHz, %s\n",
pci2_clk_sel ? "sync" : "async");
} else {
printf (" PCI2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable */
#endif /* CONFIG_PCI2 */
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
struct pci_controller *hose = &pcie1_hose;
int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
struct pci_region *r = hose->regions;
int pcie_configured = io_sel >= 1;
if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE connected to slot as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BASE,
CONFIG_SYS_PCIE1_MEM_PHYS,
CONFIG_SYS_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE1_IO_BASE,
CONFIG_SYS_PCIE1_IO_PHYS,
CONFIG_SYS_PCIE1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno);
first_free_busno=hose->last_busno+1;
} else {
printf (" PCIE: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
}
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
devdisr, io_sel, host_agent);
if (io_sel & 1) {
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
printf (" eTSEC1 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
printf (" eTSEC3 is in sgmii mode.\n");
}
#ifdef CONFIG_PCIE3
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
struct pci_controller *hose = &pcie3_hose;
int pcie_ep = (host_agent == 1);
int pcie_configured = io_sel >= 6;
struct pci_region *r = hose->regions;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE3 connected to ULI as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE3_MEM_BUS,
CONFIG_SYS_PCIE3_MEM_PHYS,
CONFIG_SYS_PCIE3_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE3_IO_BUS,
CONFIG_SYS_PCIE3_IO_PHYS,
CONFIG_SYS_PCIE3_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE3_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE3_MEM_BUS2,
CONFIG_SYS_PCIE3_MEM_PHYS2,
CONFIG_SYS_PCIE3_MEM_SIZE2,
PCI_REGION_MEM);
#endif
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCIE3 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
/*
* Activate ULI1575 legacy chip by performing a fake
* memory access. Needed to make ULI RTC work.
*/
in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
} else {
printf (" PCIE3: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
#endif
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
struct pci_controller *hose = &pcie1_hose;
int pcie_ep = (host_agent == 5);
int pcie_configured = io_sel >= 2;
struct pci_region *r = hose->regions;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE1 connected to Slot2 as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BUS,
CONFIG_SYS_PCIE1_MEM_PHYS,
CONFIG_SYS_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE1_IO_BUS,
CONFIG_SYS_PCIE1_IO_PHYS,
CONFIG_SYS_PCIE1_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE1_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BUS2,
CONFIG_SYS_PCIE1_MEM_PHYS2,
CONFIG_SYS_PCIE1_MEM_SIZE2,
PCI_REGION_MEM);
#endif
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf(" PCIE1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCIE1: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
#ifdef CONFIG_PCIE2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
struct pci_controller *hose = &pcie2_hose;
int pcie_ep = (host_agent == 3);
int pcie_configured = io_sel >= 4;
struct pci_region *r = hose->regions;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE2 connected to Slot 1 as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE2_MEM_BUS,
CONFIG_SYS_PCIE2_MEM_PHYS,
CONFIG_SYS_PCIE2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE2_IO_BUS,
CONFIG_SYS_PCIE2_IO_PHYS,
CONFIG_SYS_PCIE2_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE2_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE2_MEM_BUS2,
CONFIG_SYS_PCIE2_MEM_PHYS2,
CONFIG_SYS_PCIE2_MEM_SIZE2,
PCI_REGION_MEM);
#endif
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCIE2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCIE2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
#endif
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
struct pci_controller *hose = &pci1_hose;
struct pci_region *r = hose->regions;
uint pci_agent = (host_agent == 6);
uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
uint pci_32 = 1;
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter",
(uint)pci
);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BUS,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BUS,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE3_MEM_BUS2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE3_MEM_BUS2,
CONFIG_SYS_PCIE3_MEM_PHYS2,
CONFIG_SYS_PCIE3_MEM_SIZE2,
PCI_REGION_MEM);
#endif
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf ("PCI on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCI: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
}
/*-----------------------------------------------------------------------------+
* pci_init. Initializes the 405GP PCI Configuration regs.
*-----------------------------------------------------------------------------*/
void pci_405gp_init(struct pci_controller *hose)
{
int i, reg_num = 0;
bd_t *bd = gd->bd;
unsigned short temp_short;
unsigned long ptmpcila[2] = {CONFIG_SYS_PCI_PTM1PCI, CONFIG_SYS_PCI_PTM2PCI};
#if defined(CONFIG_CPCI405) || defined(CONFIG_PMC405)
char *ptmla_str, *ptmms_str;
#endif
unsigned long ptmla[2] = {CONFIG_SYS_PCI_PTM1LA, CONFIG_SYS_PCI_PTM2LA};
unsigned long ptmms[2] = {CONFIG_SYS_PCI_PTM1MS, CONFIG_SYS_PCI_PTM2MS};
#if defined(CONFIG_PIP405) || defined (CONFIG_MIP405)
unsigned long pmmla[3] = {0x80000000, 0xA0000000, 0};
unsigned long pmmma[3] = {0xE0000001, 0xE0000001, 0};
unsigned long pmmpcila[3] = {0x80000000, 0x00000000, 0};
unsigned long pmmpciha[3] = {0x00000000, 0x00000000, 0};
#else
unsigned long pmmla[3] = {0x80000000, 0,0};
unsigned long pmmma[3] = {0xC0000001, 0,0};
unsigned long pmmpcila[3] = {0x80000000, 0,0};
unsigned long pmmpciha[3] = {0x00000000, 0,0};
#endif
#ifdef CONFIG_PCI_PNP
#if (CONFIG_PCI_HOST == PCI_HOST_AUTO)
char *s;
#endif
#endif
#if defined(CONFIG_CPCI405) || defined(CONFIG_PMC405)
ptmla_str = getenv("ptm1la");
ptmms_str = getenv("ptm1ms");
if(NULL != ptmla_str && NULL != ptmms_str ) {
ptmla[0] = simple_strtoul (ptmla_str, NULL, 16);
ptmms[0] = simple_strtoul (ptmms_str, NULL, 16);
}
ptmla_str = getenv("ptm2la");
ptmms_str = getenv("ptm2ms");
if(NULL != ptmla_str && NULL != ptmms_str ) {
ptmla[1] = simple_strtoul (ptmla_str, NULL, 16);
ptmms[1] = simple_strtoul (ptmms_str, NULL, 16);
}
#endif
/*
* Register the hose
*/
hose->first_busno = 0;
hose->last_busno = 0xff;
/* ISA/PCI I/O space */
pci_set_region(hose->regions + reg_num++,
MIN_PCI_PCI_IOADDR,
MIN_PLB_PCI_IOADDR,
0x10000,
PCI_REGION_IO);
/* PCI I/O space */
pci_set_region(hose->regions + reg_num++,
0x00800000,
0xe8800000,
0x03800000,
PCI_REGION_IO);
reg_num = 2;
/* Memory spaces */
for (i=0; i<2; i++)
if (ptmms[i] & 1)
{
if (!i) hose->pci_fb = hose->regions + reg_num;
pci_set_region(hose->regions + reg_num++,
ptmpcila[i], ptmla[i],
~(ptmms[i] & 0xfffff000) + 1,
PCI_REGION_MEM |
PCI_REGION_SYS_MEMORY);
}
/* PCI memory spaces */
for (i=0; i<3; i++)
if (pmmma[i] & 1)
{
pci_set_region(hose->regions + reg_num++,
pmmpcila[i], pmmla[i],
~(pmmma[i] & 0xfffff000) + 1,
PCI_REGION_MEM);
}
hose->region_count = reg_num;
pci_setup_indirect(hose,
PCICFGADR,
PCICFGDATA);
if (hose->pci_fb)
pciauto_region_init(hose->pci_fb);
/* Let board change/modify hose & do initial checks */
if (pci_pre_init (hose) == 0) {
printf("PCI: Board-specific initialization failed.\n");
printf("PCI: Configuration aborted.\n");
return;
}
pci_register_hose(hose);
/*--------------------------------------------------------------------------+
* 405GP PCI Master configuration.
* Map one 512 MB range of PLB/processor addresses to PCI memory space.
* PLB address 0x80000000-0xBFFFFFFF ==> PCI address 0x80000000-0xBFFFFFFF
* Use byte reversed out routines to handle endianess.
*--------------------------------------------------------------------------*/
out32r(PMM0MA, (pmmma[0]&~0x1)); /* disable, configure PMMxLA, PMMxPCILA first */
out32r(PMM0LA, pmmla[0]);
out32r(PMM0PCILA, pmmpcila[0]);
out32r(PMM0PCIHA, pmmpciha[0]);
out32r(PMM0MA, pmmma[0]);
/*--------------------------------------------------------------------------+
* PMM1 is not used. Initialize them to zero.
*--------------------------------------------------------------------------*/
out32r(PMM1MA, (pmmma[1]&~0x1));
out32r(PMM1LA, pmmla[1]);
out32r(PMM1PCILA, pmmpcila[1]);
out32r(PMM1PCIHA, pmmpciha[1]);
out32r(PMM1MA, pmmma[1]);
/*--------------------------------------------------------------------------+
* PMM2 is not used. Initialize them to zero.
*--------------------------------------------------------------------------*/
out32r(PMM2MA, (pmmma[2]&~0x1));
out32r(PMM2LA, pmmla[2]);
out32r(PMM2PCILA, pmmpcila[2]);
out32r(PMM2PCIHA, pmmpciha[2]);
out32r(PMM2MA, pmmma[2]);
/*--------------------------------------------------------------------------+
* 405GP PCI Target configuration. (PTM1)
* Note: PTM1MS is hardwire enabled but we set the enable bit anyway.
*--------------------------------------------------------------------------*/
out32r(PTM1LA, ptmla[0]); /* insert address */
out32r(PTM1MS, ptmms[0]); /* insert size, enable bit is 1 */
pci_write_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_1, ptmpcila[0]);
/*--------------------------------------------------------------------------+
* 405GP PCI Target configuration. (PTM2)
*--------------------------------------------------------------------------*/
out32r(PTM2LA, ptmla[1]); /* insert address */
pci_write_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_2, ptmpcila[1]);
if (ptmms[1] == 0)
{
out32r(PTM2MS, 0x00000001); /* set enable bit */
pci_write_config_dword(PCIDEVID_405GP, PCI_BASE_ADDRESS_2, 0x00000000);
out32r(PTM2MS, 0x00000000); /* disable */
}
else
{
out32r(PTM2MS, ptmms[1]); /* insert size, enable bit is 1 */
}
/*
* Insert Subsystem Vendor and Device ID
*/
pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_VENDOR_ID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
#ifdef CONFIG_CPCI405
if (mfdcr(strap) & PSR_PCI_ARBIT_EN)
pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
else
pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID2);
#else
pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
#endif
/*
* Insert Class-code
*/
#ifdef CONFIG_SYS_PCI_CLASSCODE
pci_write_config_word(PCIDEVID_405GP, PCI_CLASS_SUB_CODE, CONFIG_SYS_PCI_CLASSCODE);
#endif /* CONFIG_SYS_PCI_CLASSCODE */
/*--------------------------------------------------------------------------+
* If PCI speed = 66MHz, set 66MHz capable bit.
*--------------------------------------------------------------------------*/
if (bd->bi_pci_busfreq >= 66000000) {
pci_read_config_word(PCIDEVID_405GP, PCI_STATUS, &temp_short);
pci_write_config_word(PCIDEVID_405GP,PCI_STATUS,(temp_short|PCI_STATUS_66MHZ));
}
#if (CONFIG_PCI_HOST != PCI_HOST_ADAPTER)
#if (CONFIG_PCI_HOST == PCI_HOST_AUTO)
if ((mfdcr(strap) & PSR_PCI_ARBIT_EN) ||
(((s = getenv("pciscan")) != NULL) && (strcmp(s, "yes") == 0)))
#endif
{
/*--------------------------------------------------------------------------+
* Write the 405GP PCI Configuration regs.
* Enable 405GP to be a master on the PCI bus (PMM).
* Enable 405GP to act as a PCI memory target (PTM).
*--------------------------------------------------------------------------*/
pci_read_config_word(PCIDEVID_405GP, PCI_COMMAND, &temp_short);
pci_write_config_word(PCIDEVID_405GP, PCI_COMMAND, temp_short |
PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
}
#endif
#if defined(CONFIG_405EP) /* on ppc405ep vendor id is not set */
pci_write_config_word(PCIDEVID_405GP, PCI_VENDOR_ID, 0x1014); /* IBM */
#endif
/*
* Set HCE bit (Host Configuration Enabled)
*/
pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &temp_short);
pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (temp_short | 0x0001));
#ifdef CONFIG_PCI_PNP
/*--------------------------------------------------------------------------+
* Scan the PCI bus and configure devices found.
*--------------------------------------------------------------------------*/
#if (CONFIG_PCI_HOST == PCI_HOST_AUTO)
if ((mfdcr(strap) & PSR_PCI_ARBIT_EN) ||
(((s = getenv("pciscan")) != NULL) && (strcmp(s, "yes") == 0)))
#endif
{
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
hose->last_busno = pci_hose_scan(hose);
}
#endif /* CONFIG_PCI_PNP */
}
void pci_init_board(void)
{
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
struct pci_controller *hose = &pci1_hose;
struct pci_region *r = hose->regions;
volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
>> MPC8641_PORDEVSR_IO_SEL_SHIFT;
#ifdef DEBUG
uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
>> MPC8641_PORBMSR_HA_SHIFT;
uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
#endif
if ((io_sel == 2 || io_sel == 3 || io_sel == 5
|| io_sel == 6 || io_sel == 7 || io_sel == 0xF)
&& !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug(" with errors. Clearing. Now 0x%08x",
pci->pme_msg_det);
}
debug("\n");
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BUS,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BUS,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
/*
* Activate ULI1575 legacy chip by performing a fake
* memory access. Needed to make ULI RTC work.
*/
in_be32((unsigned *) ((char *)(CONFIG_SYS_PCI1_MEM_VIRT
+ CONFIG_SYS_PCI1_MEM_SIZE - 0x1000000)));
} else {
puts("PCI-EXPRESS 1: Disabled\n");
}
}
#else
puts("PCI-EXPRESS1: Disabled\n");
#endif /* CONFIG_PCI1 */
#ifdef CONFIG_PCI2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
struct pci_controller *hose = &pci2_hose;
struct pci_region *r = hose->regions;
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI2_MEM_BUS,
CONFIG_SYS_PCI2_MEM_PHYS,
CONFIG_SYS_PCI2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI2_IO_BUS,
CONFIG_SYS_PCI2_IO_PHYS,
CONFIG_SYS_PCI2_IO_SIZE,
PCI_REGION_IO);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
}
#else
puts("PCI-EXPRESS 2: Disabled\n");
#endif /* CONFIG_PCI2 */
}
void
pci_mpc83xx_init(volatile struct pci_controller *hose)
{
volatile immap_t * immr;
volatile clk8349_t * clk;
volatile law8349_t * pci_law;
volatile pot8349_t * pci_pot;
volatile pcictrl8349_t * pci_ctrl;
volatile pciconf8349_t * pci_conf;
u8 val8,tmp8,ret;
u16 reg16,tmp16;
u32 val32,tmp32;
immr = (immap_t *)CFG_IMMRBAR;
clk = (clk8349_t *)&immr->clk;
pci_law = immr->sysconf.pcilaw;
pci_pot = immr->ios.pot;
pci_ctrl = immr->pci_ctrl;
pci_conf = immr->pci_conf;
/*
* Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
*/
val32 = clk->occr;
udelay(2000);
clk->occr = 0xff000000;
udelay(2000);
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_32M;
/*
* Configure PCI Outbound Translation Windows
*/
pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK);
/* mapped to PCI1 IO space 0x0 to local 0xe2000000 */
pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
pci_pot[3].potar = (CFG_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK;
pci_pot[3].pobar = (CFG_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[3].pocmr = POCMR_EN | POCMR_DST | (POCMR_CM_512M & POCMR_CM_MASK);
/* mapped to PCI2 IO space 0x0 to local 0xe3000000 */
pci_pot[4].potar = (CFG_PCI2_IO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[4].pobar = (CFG_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[4].pocmr = POCMR_EN | POCMR_DST | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
/*
* Configure PCI Inbound Translation Windows
*/
pci_ctrl[0].pitar1 = 0x0;
pci_ctrl[0].pibar1 = 0x0;
pci_ctrl[0].piebar1 = 0x0;
pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
pci_ctrl[1].pitar1 = 0x0;
pci_ctrl[1].pibar1 = 0x0;
pci_ctrl[1].piebar1 = 0x0;
pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
/*
* Assign PIB PMC slot to desired PCI bus
*/
#ifdef CONFIG_MPC8349ADS
mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C2_OFFSET);
i2c_init(CFG_I2C_SPEED,CFG_I2C_SLAVE);
#endif
val8 = 0;
ret = i2c_write(0x23,0x6,1,&val8,1);
ret = i2c_write(0x23,0x7,1,&val8,1);
val8 = 0xff;
ret = i2c_write(0x23,0x2,1,&val8,1);
ret = i2c_write(0x23,0x3,1,&val8,1);
val8 = 0;
ret = i2c_write(0x26,0x6,1,&val8,1);
val8 = 0x34;
ret = i2c_write(0x26,0x7,1,&val8,1);
#if defined(PCI_64BIT)
val8 = 0xf4; /* PMC2<->PCI1 64bit */
#elif defined(PCI_ALL_PCI1)
val8 = 0xf3; /* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI1 32bit */
#elif defined(PCI_ONE_PCI1)
val8 = 0xf9; /* PMC1<->PCI1,PMC2<->PCI2,PMC3<->PCI2 32bit */
#elif defined(PCI_TWO_PCI1)
val8 = 0xf5; /* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI2 32bit */
#else
val8 = 0xf5;
#endif
ret = i2c_write(0x26,0x2,1,&val8,1);
val8 = 0xff;
ret = i2c_write(0x26,0x3,1,&val8,1);
val8 = 0;
ret = i2c_write(0x27,0x6,1,&val8,1);
ret = i2c_write(0x27,0x7,1,&val8,1);
val8 = 0xff;
ret = i2c_write(0x27,0x2,1,&val8,1);
val8 = 0xef;
ret = i2c_write(0x27,0x3,1,&val8,1);
asm("eieio");
/*
* Release PCI RST Output signal
*/
udelay(2000);
pci_ctrl[0].gcr = 1;
#ifndef PCI_64BIT
pci_ctrl[1].gcr = 1;
#endif
udelay(2000);
hose[0].first_busno = 0;
hose[0].last_busno = 0xff;
pci_set_region(hose[0].regions + 0,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(hose[0].regions + 1,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose[0].region_count = 2;
pci_setup_indirect(&hose[0],
(CFG_IMMRBAR+0x8300),
(CFG_IMMRBAR+0x8304));
#define PCI_CLASS_BRIDGE 0x06
reg16 = 0xff;
tmp32 = 0xffff;
pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE);
pci_hose_read_config_word (&hose[0],PCI_BDF(0,0,0),PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
#ifndef PCI_64BIT
hose[1].first_busno = 0;
hose[1].last_busno = 0xff;
pci_set_region(hose[1].regions + 0,
CFG_PCI2_MEM_BASE,
CFG_PCI2_MEM_PHYS,
CFG_PCI2_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(hose[1].regions + 1,
CFG_PCI2_IO_BASE,
CFG_PCI2_IO_PHYS,
CFG_PCI2_IO_SIZE,
PCI_REGION_IO);
hose[1].region_count = 2;
pci_setup_indirect(&hose[1],
(CFG_IMMRBAR+0x8380),
(CFG_IMMRBAR+0x8384));
pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE);
pci_hose_read_config_word (&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
#endif
#if defined(PCI_64BIT)
printf("PCI1 64bit on PMC2\n");
#elif defined(PCI_ALL_PCI1)
printf("PCI1 32bit on PMC1 & PMC2 & PMC3\n");
#elif defined(PCI_ONE_PCI1)
printf("PCI1 32bit on PMC1,PCI2 32bit on PMC2 & PMC3\n");
#else
printf("PCI1 32bit on PMC1 & PMC2 & PMC3 in default\n");
#endif
#if 1
/*
* Hose scan.
*/
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
#endif
}
void
pci_mpc85xx_init(struct pci_controller *hose)
{
volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
volatile ccsr_pcix_t *pcix = &immap->im_pcix;
u16 reg16;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_set_region(hose->regions + 0,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(hose->regions + 1,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 2;
pci_setup_indirect(hose,
(CFG_IMMR+0x8000),
(CFG_IMMR+0x8004));
pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
pcix->potear1 = 0x00000000;
pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
pcix->powbear1 = 0x00000000;
pcix->powar1 = 0x8004401c; /* 512M MEM space */
pcix->potar2 = 0x00000000;
pcix->potear2 = 0x00000000;
pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
pcix->powbear2 = 0x00000000;
pcix->powar2 = 0x80088017; /* 16M IO space */
pcix->pitar1 = 0x00000000;
pcix->piwbar1 = 0x00000000;
pcix->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
* Snoop R/W, 2G */
/*
* Hose scan.
*/
pci_register_hose(hose);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
#if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS)
/*
* This is a SW workaround for an apparent HW problem
* in the PCI controller on the MPC85555/41 CDS boards.
* The first config cycle must be to a valid, known
* device on the PCI bus in order to trick the PCI
* controller state machine into a known valid state.
* Without this, the first config cycle has the chance
* of hanging the controller permanently, just leaving
* it in a semi-working state, or leaving it working.
*
* Pick on the Tundra, Device 17, to get it right.
*/
{
u8 header_type;
pci_hose_read_config_byte(hose,
PCI_BDF(0,17,0),
PCI_HEADER_TYPE,
&header_type);
}
#endif
hose->last_busno = pci_hose_scan(hose);
}
/**************************************************************************
* pci_init_board()
*
*/
void
pci_init_board(void)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
volatile law512x_t *pci_law;
volatile pot512x_t *pci_pot;
volatile pcictrl512x_t *pci_ctrl;
volatile pciconf512x_t *pci_conf;
u16 reg16;
u32 reg32;
u32 dev;
int i;
struct pci_controller *hose;
/* Set PCI divider for 33MHz */
reg32 = in_be32(&im->clk.scfr[0]);
reg32 &= ~(SCFR1_PCI_DIV_MASK);
reg32 |= SCFR1_PCI_DIV << SCFR1_PCI_DIV_SHIFT;
out_be32(&im->clk.scfr[0], reg32);
clrsetbits_be32(&im->clk.scfr[0],
SCFR1_PCI_DIV_MASK,
SCFR1_PCI_DIV << SCFR1_PCI_DIV_SHIFT
);
pci_law = im->sysconf.pcilaw;
pci_pot = im->ios.pot;
pci_ctrl = &im->pci_ctrl;
pci_conf = &im->pci_conf;
hose = &pci_hose;
/*
* Release PCI RST Output signal
*/
out_be32(&pci_ctrl->gcr, 0);
udelay(2000);
out_be32(&pci_ctrl->gcr, 1);
/* We need to wait at least a 1sec based on PCI specs */
for (i = 0; i < 1000; i++)
udelay(1000);
/*
* Configure PCI Local Access Windows
*/
out_be32(&pci_law[0].bar, CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR);
out_be32(&pci_law[0].ar, LAWAR_EN | LAWAR_SIZE_512M);
out_be32(&pci_law[1].bar, CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR);
out_be32(&pci_law[1].ar, LAWAR_EN | LAWAR_SIZE_16M);
/*
* Configure PCI Outbound Translation Windows
*/
/* PCI mem space - prefetch */
out_be32(&pci_pot[0].potar,
(CONFIG_SYS_PCI_MEM_BASE >> 12) & POTAR_TA_MASK);
out_be32(&pci_pot[0].pobar,
(CONFIG_SYS_PCI_MEM_PHYS >> 12) & POBAR_BA_MASK);
out_be32(&pci_pot[0].pocmr,
POCMR_EN | POCMR_PRE | POCMR_CM_256M);
/* PCI IO space */
out_be32(&pci_pot[1].potar,
(CONFIG_SYS_PCI_IO_BASE >> 12) & POTAR_TA_MASK);
out_be32(&pci_pot[1].pobar,
(CONFIG_SYS_PCI_IO_PHYS >> 12) & POBAR_BA_MASK);
out_be32(&pci_pot[1].pocmr,
POCMR_EN | POCMR_IO | POCMR_CM_16M);
/* PCI mmio - non-prefetch mem space */
out_be32(&pci_pot[2].potar,
(CONFIG_SYS_PCI_MMIO_BASE >> 12) & POTAR_TA_MASK);
out_be32(&pci_pot[2].pobar,
(CONFIG_SYS_PCI_MMIO_PHYS >> 12) & POBAR_BA_MASK);
out_be32(&pci_pot[2].pocmr,
POCMR_EN | POCMR_CM_256M);
/*
* Configure PCI Inbound Translation Windows
*/
/* we need RAM mapped to PCI space for the devices to
* access main memory */
out_be32(&pci_ctrl[0].pitar1, 0x0);
out_be32(&pci_ctrl[0].pibar1, 0x0);
out_be32(&pci_ctrl[0].piebar1, 0x0);
out_be32(&pci_ctrl[0].piwar1,
PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1));
hose->first_busno = 0;
hose->last_busno = 0xff;
/* PCI memory prefetch space */
pci_set_region(hose->regions + 0,
CONFIG_SYS_PCI_MEM_BASE,
CONFIG_SYS_PCI_MEM_PHYS,
CONFIG_SYS_PCI_MEM_SIZE,
PCI_REGION_MEM|PCI_REGION_PREFETCH);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CONFIG_SYS_PCI_MMIO_BASE,
CONFIG_SYS_PCI_MMIO_PHYS,
CONFIG_SYS_PCI_MMIO_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 2,
CONFIG_SYS_PCI_IO_BASE,
CONFIG_SYS_PCI_IO_PHYS,
CONFIG_SYS_PCI_IO_SIZE,
PCI_REGION_IO);
/* System memory space */
pci_set_region(hose->regions + 3,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
gd->ram_size,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
hose->region_count = 4;
pci_setup_indirect(hose,
(CONFIG_SYS_IMMR + 0x8300),
(CONFIG_SYS_IMMR + 0x8304));
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
dev = PCI_BDF(hose->first_busno, 0, 0);
pci_hose_read_config_word(hose, dev, PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
}
void pci_init_board(void)
{
volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
>> MPC8641_PORDEVSR_IO_SEL_SHIFT;
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci1_hose;
#ifdef DEBUG
uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
>> MPC8641_PORBMSR_HA_SHIFT;
uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
#endif
if ((io_sel == 2 || io_sel == 3 || io_sel == 5
|| io_sel == 6 || io_sel == 7 || io_sel == 0xF)
&& !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug(" with errors. Clearing. Now 0x%08x",
pci->pme_msg_det);
}
debug("\n");
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
puts("PCI-EXPRESS 1: Disabled\n");
}
}
#else
puts("PCI-EXPRESS1: Disabled\n");
#endif /* CONFIG_PCI1 */
#ifdef CONFIG_PCI2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci2_hose;
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCI2_MEM_BASE,
CFG_PCI2_MEM_PHYS,
CFG_PCI2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCI2_IO_BASE,
CFG_PCI2_IO_PHYS,
CFG_PCI2_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
}
#else
puts("PCI-EXPRESS 2: Disabled\n");
#endif /* CONFIG_PCI2 */
}
int pci_440_init (struct pci_controller *hose)
{
int reg_num = 0;
#ifndef CONFIG_DISABLE_PISE_TEST
/*--------------------------------------------------------------------------+
* The PCI initialization sequence enable bit must be set ... if not abort
* pci setup since updating the bit requires chip reset.
*--------------------------------------------------------------------------*/
#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
unsigned long strap;
mfsdr(sdr_sdstp1,strap);
if ((strap & SDR0_SDSTP1_PISE_MASK) == 0) {
printf("PCI: SDR0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
return -1;
}
#elif defined(CONFIG_440GP)
unsigned long strap;
strap = mfdcr(cpc0_strp1);
if ((strap & CPC0_STRP1_PISE_MASK) == 0) {
printf("PCI: CPC0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
return -1;
}
#endif
#endif /* CONFIG_DISABLE_PISE_TEST */
/*--------------------------------------------------------------------------+
* PCI controller init
*--------------------------------------------------------------------------*/
hose->first_busno = 0;
hose->last_busno = 0;
/* PCI I/O space */
pci_set_region(hose->regions + reg_num++,
0x00000000,
PCIX0_IOBASE,
0x10000,
PCI_REGION_IO);
/* PCI memory space */
pci_set_region(hose->regions + reg_num++,
CONFIG_SYS_PCI_TARGBASE,
CONFIG_SYS_PCI_MEMBASE,
#ifdef CONFIG_SYS_PCI_MEMSIZE
CONFIG_SYS_PCI_MEMSIZE,
#else
0x10000000,
#endif
PCI_REGION_MEM );
#if defined(CONFIG_PCI_SYS_MEM_BUS) && defined(CONFIG_PCI_SYS_MEM_PHYS) && \
defined(CONFIG_PCI_SYS_MEM_SIZE)
/* System memory space */
pci_set_region(hose->regions + reg_num++,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
CONFIG_PCI_SYS_MEM_SIZE,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY );
#endif
hose->region_count = reg_num;
pci_setup_indirect(hose, PCIX0_CFGADR, PCIX0_CFGDATA);
/* Let board change/modify hose & do initial checks */
if (pci_pre_init (hose) == 0) {
printf("PCI: Board-specific initialization failed.\n");
printf("PCI: Configuration aborted.\n");
return -1;
}
pci_register_hose( hose );
/*--------------------------------------------------------------------------+
* PCI target init
*--------------------------------------------------------------------------*/
#if defined(CONFIG_SYS_PCI_TARGET_INIT)
pci_target_init(hose); /* Let board setup pci target */
#else
out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_ID );
out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */
#endif
#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
out32r( PCIX0_BRDGOPT1, 0x04000060 ); /* PLB Rq pri highest */
out32r( PCIX0_BRDGOPT2, in32(PCIX0_BRDGOPT2) | 0x83 ); /* Enable host config, clear Timeout, ensure int src1 */
#elif defined(PCIX0_BRDGOPT1)
out32r( PCIX0_BRDGOPT1, 0x10000060 ); /* PLB Rq pri highest */
out32r( PCIX0_BRDGOPT2, in32(PCIX0_BRDGOPT2) | 1 ); /* Enable host config */
#endif
/*--------------------------------------------------------------------------+
* PCI master init: default is one 256MB region for PCI memory:
* 0x3_00000000 - 0x3_0FFFFFFF ==> CONFIG_SYS_PCI_MEMBASE
*--------------------------------------------------------------------------*/
#if defined(CONFIG_SYS_PCI_MASTER_INIT)
pci_master_init(hose); /* Let board setup pci master */
#else
out32r( PCIX0_POM0SA, 0 ); /* disable */
out32r( PCIX0_POM1SA, 0 ); /* disable */
out32r( PCIX0_POM2SA, 0 ); /* disable */
#if defined(CONFIG_440SPE) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
out32r( PCIX0_POM0LAL, 0x10000000 );
out32r( PCIX0_POM0LAH, 0x0000000c );
#else
out32r( PCIX0_POM0LAL, 0x00000000 );
out32r( PCIX0_POM0LAH, 0x00000003 );
#endif
out32r( PCIX0_POM0PCIAL, CONFIG_SYS_PCI_MEMBASE );
out32r( PCIX0_POM0PCIAH, 0x00000000 );
out32r( PCIX0_POM0SA, 0xf0000001 ); /* 256MB, enabled */
out32r( PCIX0_STS, in32r( PCIX0_STS ) & ~0x0000fff8 );
#endif
/*--------------------------------------------------------------------------+
* PCI host configuration -- we don't make any assumptions here ... the
* _board_must_indicate_ what to do -- there's just too many runtime
* scenarios in environments like cPCI, PPMC, etc. to make a determination
* based on hard-coded values or state of arbiter enable.
*--------------------------------------------------------------------------*/
if (is_pci_host(hose)) {
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
#if !defined(CONFIG_440EP) && !defined(CONFIG_440GR) && \
!defined(CONFIG_440EPX) && !defined(CONFIG_440GRX)
out16r( PCIX0_CMD, in16r( PCIX0_CMD ) | PCI_COMMAND_MASTER);
#endif
hose->last_busno = pci_hose_scan(hose);
}
return hose->last_busno;
}
void pci_init_board(void)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL)
>> MPC8610_PORDEVSR_IO_SEL_SHIFT;
uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA)
>> MPC8610_PORBMSR_HA_SHIFT;
printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
devdisr, io_sel, host_agent);
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
struct pci_controller *hose = &pcie1_hose;
int pcie_configured = (io_sel == 1) || (io_sel == 4);
int pcie_ep = (host_agent == 0) || (host_agent == 2) ||
(host_agent == 5);
struct pci_region *r = hose->regions;
if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det)
pci->pme_msg_det = 0xffffffff;
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BUS,
CONFIG_SYS_PCIE1_MEM_PHYS,
CONFIG_SYS_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE1_IO_BUS,
CONFIG_SYS_PCIE1_IO_PHYS,
CONFIG_SYS_PCIE1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno = first_free_busno;
pci_setup_indirect(hose, (int)&pci->cfg_addr,
(int)&pci->cfg_data);
fsl_pci_init(hose);
first_free_busno = hose->last_busno + 1;
printf(" PCI-Express 1 on bus %02x - %02x\n",
hose->first_busno, hose->last_busno);
} else
puts(" PCI-Express 1: Disabled\n");
}
#else
puts("PCI-Express 1: Disabled\n");
#endif /* CONFIG_PCIE1 */
#ifdef CONFIG_PCIE2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
struct pci_controller *hose = &pcie2_hose;
struct pci_region *r = hose->regions;
int pcie_configured = (io_sel == 0) || (io_sel == 4);
int pcie_ep = (host_agent == 0) || (host_agent == 1) ||
(host_agent == 4);
if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
printf(" PCI-Express 2 connected to slot as %s" \
" (base address %x)\n",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det)
pci->pme_msg_det = 0xffffffff;
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE2_MEM_BUS,
CONFIG_SYS_PCIE2_MEM_PHYS,
CONFIG_SYS_PCIE2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE2_IO_BUS,
CONFIG_SYS_PCIE2_IO_PHYS,
CONFIG_SYS_PCIE2_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno = first_free_busno;
pci_setup_indirect(hose, (int)&pci->cfg_addr,
(int)&pci->cfg_data);
fsl_pci_init(hose);
first_free_busno = hose->last_busno + 1;
printf(" PCI-Express 2 on bus %02x - %02x\n",
hose->first_busno, hose->last_busno);
} else
puts(" PCI-Express 2: Disabled\n");
}
#else
puts("PCI-Express 2: Disabled\n");
#endif /* CONFIG_PCIE2 */
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
struct pci_controller *hose = &pci1_hose;
int pci_agent = (host_agent >= 4) && (host_agent <= 6);
struct pci_region *r = hose->regions;
if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
printf(" PCI connected to PCI slots as %s" \
" (base address %x)\n",
pci_agent ? "Agent" : "Host",
(uint)pci);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BUS,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BUS,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno = first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr,
(int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno = hose->last_busno + 1;
printf(" PCI on bus %02x - %02x\n",
hose->first_busno, hose->last_busno);
} else
puts(" PCI: Disabled\n");
}
#endif /* CONFIG_PCI1 */
}
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
#ifdef CONFIG_PCI1
{
pib_init();
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci1_hose;
uint pci_32 = 1; /* PORDEVSR[15] */
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
uint pci_speed = 66666000;
if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter"
);
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
hose->first_busno = first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno = hose->last_busno+1;
printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
} else {
printf (" PCI: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pcie1_hose;
int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
int pcie_configured = io_sel >= 1;
if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE connected to slot as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCIE1_MEM_BASE,
CFG_PCIE1_MEM_PHYS,
CFG_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCIE1_IO_BASE,
CFG_PCIE1_IO_PHYS,
CFG_PCIE1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
first_free_busno=hose->last_busno+1;
} else {
printf (" PCIE: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
}
/**************************************************************************
* pci_init_board()
*
* NOTICE: PCI2 is not supported. There is only one
* physical PCI slot on the board.
*
*/
void
pci_init_board(void)
{
volatile immap_t * immr;
volatile clk83xx_t * clk;
volatile law83xx_t * pci_law;
volatile pot83xx_t * pci_pot;
volatile pcictrl83xx_t * pci_ctrl;
volatile pciconf83xx_t * pci_conf;
u16 reg16;
u32 reg32;
u32 dev;
struct pci_controller * hose;
immr = (immap_t *)CONFIG_SYS_IMMR;
clk = (clk83xx_t *)&immr->clk;
pci_law = immr->sysconf.pcilaw;
pci_pot = immr->ios.pot;
pci_ctrl = immr->pci_ctrl;
pci_conf = immr->pci_conf;
hose = &pci_hose[0];
/*
* Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
*/
reg32 = clk->occr;
udelay(2000);
clk->occr = 0xff000000;
udelay(2000);
/*
* Release PCI RST Output signal
*/
pci_ctrl[0].gcr = 0;
udelay(2000);
pci_ctrl[0].gcr = 1;
#ifdef CONFIG_MPC83XX_PCI2
pci_ctrl[1].gcr = 0;
udelay(2000);
pci_ctrl[1].gcr = 1;
#endif
/* We need to wait at least a 1sec based on PCI specs */
{
int i;
for (i = 0; i < 1000; ++i)
udelay (1000);
}
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
/*
* Configure PCI Outbound Translation Windows
*/
/* PCI1 mem space - prefetch */
pci_pot[0].potar = (CONFIG_SYS_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
pci_pot[0].pobar = (CONFIG_SYS_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[0].pocmr = POCMR_EN | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/* PCI1 IO space */
pci_pot[1].potar = (CONFIG_SYS_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[1].pobar = (CONFIG_SYS_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK);
/* PCI1 mmio - non-prefetch mem space */
pci_pot[2].potar = (CONFIG_SYS_PCI1_MMIO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[2].pobar = (CONFIG_SYS_PCI1_MMIO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[2].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/*
* Configure PCI Inbound Translation Windows
*/
/* we need RAM mapped to PCI space for the devices to
* access main memory */
pci_ctrl[0].pitar1 = 0x0;
pci_ctrl[0].pibar1 = 0x0;
pci_ctrl[0].piebar1 = 0x0;
pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1);
hose->first_busno = 0;
hose->last_busno = 0xff;
/* PCI memory prefetch space */
pci_set_region(hose->regions + 0,
CONFIG_SYS_PCI1_MEM_BASE,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM|PCI_REGION_PREFETCH);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CONFIG_SYS_PCI1_MMIO_BASE,
CONFIG_SYS_PCI1_MMIO_PHYS,
CONFIG_SYS_PCI1_MMIO_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 2,
CONFIG_SYS_PCI1_IO_BASE,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
/* System memory space */
pci_set_region(hose->regions + 3,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
gd->ram_size,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
hose->region_count = 4;
pci_setup_indirect(hose,
(CONFIG_SYS_IMMR+0x8300),
(CONFIG_SYS_IMMR+0x8304));
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
dev = PCI_BDF(hose->first_busno, 0, 0);
pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
#ifdef CONFIG_MPC83XX_PCI2
hose = &pci_hose[1];
/*
* Configure PCI Outbound Translation Windows
*/
/* PCI2 mem space - prefetch */
pci_pot[3].potar = (CONFIG_SYS_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK;
pci_pot[3].pobar = (CONFIG_SYS_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[3].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/* PCI2 IO space */
pci_pot[4].potar = (CONFIG_SYS_PCI2_IO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[4].pobar = (CONFIG_SYS_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[4].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK);
/* PCI2 mmio - non-prefetch mem space */
pci_pot[5].potar = (CONFIG_SYS_PCI2_MMIO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[5].pobar = (CONFIG_SYS_PCI2_MMIO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[5].pocmr = POCMR_EN | POCMR_PCI2 | (POCMR_CM_256M & POCMR_CM_MASK);
/*
* Configure PCI Inbound Translation Windows
*/
/* we need RAM mapped to PCI space for the devices to
* access main memory */
pci_ctrl[1].pitar1 = 0x0;
pci_ctrl[1].pibar1 = 0x0;
pci_ctrl[1].piebar1 = 0x0;
pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1);
hose->first_busno = pci_hose[0].last_busno + 1;
hose->last_busno = 0xff;
/* PCI memory prefetch space */
pci_set_region(hose->regions + 0,
CONFIG_SYS_PCI2_MEM_BASE,
CONFIG_SYS_PCI2_MEM_PHYS,
CONFIG_SYS_PCI2_MEM_SIZE,
PCI_REGION_MEM|PCI_REGION_PREFETCH);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CONFIG_SYS_PCI2_MMIO_BASE,
CONFIG_SYS_PCI2_MMIO_PHYS,
CONFIG_SYS_PCI2_MMIO_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 2,
CONFIG_SYS_PCI2_IO_BASE,
CONFIG_SYS_PCI2_IO_PHYS,
CONFIG_SYS_PCI2_IO_SIZE,
PCI_REGION_IO);
/* System memory space */
pci_set_region(hose->regions + 3,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
gd->ram_size,
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
hose->region_count = 4;
pci_setup_indirect(hose,
(CONFIG_SYS_IMMR+0x8380),
(CONFIG_SYS_IMMR+0x8384));
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
dev = PCI_BDF(hose->first_busno, 0, 0);
pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
#endif
}
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
devdisr, io_sel, host_agent);
/* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */
gur->clkocr |= MPC85xx_ATUM_CLKOCR;
if (io_sel & 1) {
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
printf (" eTSEC1 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
printf (" eTSEC2 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
printf (" eTSEC3 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
printf (" eTSEC4 is in sgmii mode.\n");
}
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
struct pci_controller *hose = &pcie1_hose;
int pcie_ep = (host_agent == 5);
int pcie_configured = io_sel & 6;
struct pci_region *r = hose->regions;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE1 connected to slot as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BASE,
CONFIG_SYS_PCIE1_MEM_PHYS,
CONFIG_SYS_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCIE1_IO_BASE,
CONFIG_SYS_PCIE1_IO_PHYS,
CONFIG_SYS_PCIE1_IO_SIZE,
PCI_REGION_IO);
#ifdef CONFIG_SYS_PCIE1_MEM_BASE2
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCIE1_MEM_BASE2,
CONFIG_SYS_PCIE1_MEM_PHYS2,
CONFIG_SYS_PCIE1_MEM_SIZE2,
PCI_REGION_MEM);
#endif
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf(" PCIE1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCIE1: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
struct pci_controller *hose = &pci1_hose;
struct pci_region *r = hose->regions;
uint pci_agent = (host_agent == 6);
uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */
uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter",
(uint)pci
);
/* inbound */
r += fsl_pci_setup_inbound_windows(r);
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BASE,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BASE,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf ("PCI1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCI1: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#ifdef CONFIG_PCI2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
struct pci_controller *hose = &pci2_hose;
struct pci_region *r = hose->regions;
if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
r += fsl_pci_setup_inbound_windows(r);
pci_set_region(r++,
CONFIG_SYS_PCI2_MEM_BASE,
CONFIG_SYS_PCI2_MEM_PHYS,
CONFIG_SYS_PCI2_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(r++,
CONFIG_SYS_PCI2_IO_BASE,
CONFIG_SYS_PCI2_IO_PHYS,
CONFIG_SYS_PCI2_IO_SIZE,
PCI_REGION_IO);
hose->region_count = r - hose->regions;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf ("PCI2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCI2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI2;
#endif
}
void pci_init_board(void)
{
struct pci_controller* hose = (struct pci_controller *)&local_hose;
u32 reg32;
u16 reg16;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
/*
* Attention: pci_hose_phys_to_bus() failes in address compare,
* so we need (CFG_PCI_MEMORY_SIZE-1)
*/
CFG_PCI_MEMORY_SIZE-1,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CFG_PCI_MEM_BUS,
CFG_PCI_MEM_PHYS,
CFG_PCI_MEM_SIZE,
PCI_REGION_MEM);
/* ISA/PCI memory space */
pci_set_region(hose->regions + 2,
CFG_ISA_MEM_BUS,
CFG_ISA_MEM_PHYS,
CFG_ISA_MEM_SIZE,
PCI_REGION_MEM);
/* PCI I/O space */
pci_set_region(hose->regions + 3,
CFG_PCI_IO_BUS,
CFG_PCI_IO_PHYS,
CFG_PCI_IO_SIZE,
PCI_REGION_IO);
/* ISA/PCI I/O space */
pci_set_region(hose->regions + 4,
CFG_ISA_IO_BUS,
CFG_ISA_IO_PHYS,
CFG_ISA_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 5;
pci_setup_indirect(hose,
MPC106_REG_ADDR,
MPC106_REG_DATA);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
/* Initialises the MPC10x PCI Configuration regs. */
pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR2, ®32);
reg32 |= PICR2_CF_SNOOP_WS(3) |
PICR2_CF_FLUSH_L2 |
PICR2_CF_L2_HIT_DELAY(3) |
PICR2_CF_APHASE_WS(3);
reg32 &= ~(PICR2_L2_EN | PICR2_L2_UPDATE_EN);
pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR2, reg32);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/* Clear non-reserved bits in status register */
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR1, ®32);
reg32 |= PICR1_CF_CBA(63) |
PICR1_CF_BREAD_WS(2) |
PICR1_MCP_EN |
PICR1_CF_DPARK |
PICR1_PROC_TYPE_604 |
PICR1_CF_LOOP_SNOOP |
PICR1_CF_APARK;
pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR1, reg32);
}
void pci_mpc8250_init (struct pci_controller *hose)
{
u16 tempShort;
volatile immap_t *immap = (immap_t *) CFG_IMMR;
pci_dev_t host_devno = PCI_BDF (0, 0, 0);
pci_setup_indirect (hose, CFG_IMMR + PCI_CFG_ADDR_REG,
CFG_IMMR + PCI_CFG_DATA_REG);
/*
* Setting required to enable local bus for PCI (SIUMCR [LBPC]).
*/
#ifdef CONFIG_MPC8266ADS
immap->im_siu_conf.sc_siumcr =
(immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11)
| SIUMCR_LBPC01;
#elif defined CONFIG_MPC8272
immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
~SIUMCR_BBD &
~SIUMCR_ESE &
~SIUMCR_PBSE &
~SIUMCR_CDIS &
~SIUMCR_DPPC11 &
~SIUMCR_L2CPC11 &
~SIUMCR_LBPC11 &
~SIUMCR_APPC11 &
~SIUMCR_CS10PC11 &
~SIUMCR_BCTLC11 &
~SIUMCR_MMR11)
| SIUMCR_DPPC11
| SIUMCR_L2CPC01
| SIUMCR_LBPC00
| SIUMCR_APPC10
| SIUMCR_CS10PC00
| SIUMCR_BCTLC00
| SIUMCR_MMR11;
#elif defined(CONFIG_TQM8272)
/* nothing to do for this Board here */
#else
/*
* Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
* and local bus for PCI (SIUMCR [LBPC]).
*/
immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
~SIUMCR_LBPC11 &
~SIUMCR_CS10PC11 &
~SIUMCR_LBPC11) |
SIUMCR_LBPC01 |
SIUMCR_CS10PC01 |
SIUMCR_APPC10;
#endif
/* Make PCI lowest priority */
/* Each 4 bits is a device bus request and the MS 4bits
is highest priority */
/* Bus 4bit value
--- ----------
CPM high 0b0000
CPM middle 0b0001
CPM low 0b0010
PCI reguest 0b0011
Reserved 0b0100
Reserved 0b0101
Internal Core 0b0110
External Master 1 0b0111
External Master 2 0b1000
External Master 3 0b1001
The rest are reserved */
immap->im_siu_conf.sc_ppc_alrh = 0x61207893;
/* Park bus on core while modifying PCI Bus accesses */
immap->im_siu_conf.sc_ppc_acr = 0x6;
/*
* Set up master windows that allow the CPU to access PCI space. These
* windows are set up using the two SIU PCIBR registers.
*/
immap->im_memctl.memc_pcimsk0 = PCIMSK0_MASK;
immap->im_memctl.memc_pcibr0 = PCI_MSTR0_LOCAL | PCIBR_ENABLE;
#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272
immap->im_memctl.memc_pcimsk1 = PCIMSK1_MASK;
immap->im_memctl.memc_pcibr1 = PCI_MSTR1_LOCAL | PCIBR_ENABLE;
#endif
/* Release PCI RST (by default the PCI RST signal is held low) */
immap->im_pci.pci_gcr = cpu_to_le32 (PCIGCR_PCI_BUS_EN);
/* give it some time */
{
#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272
/* Give the PCI cards more time to initialize before query
This might be good for other boards also
*/
int i;
for (i = 0; i < 1000; ++i)
#endif
udelay (1000);
}
/*
* Set up master window that allows the CPU to access PCI Memory (prefetch)
* space. This window is set up using the first set of Outbound ATU registers.
*/
immap->im_pci.pci_potar0 = cpu_to_le32 (PCI_MSTR_MEM_BUS >> 12); /* PCI base */
immap->im_pci.pci_pobar0 = cpu_to_le32 (PCI_MSTR_MEM_LOCAL >> 12); /* Local base */
immap->im_pci.pci_pocmr0 = cpu_to_le32 (POCMR0_MASK_ATTRIB); /* Size & attribute */
/*
* Set up master window that allows the CPU to access PCI Memory (non-prefetch)
* space. This window is set up using the second set of Outbound ATU registers.
*/
immap->im_pci.pci_potar1 = cpu_to_le32 (PCI_MSTR_MEMIO_BUS >> 12); /* PCI base */
immap->im_pci.pci_pobar1 = cpu_to_le32 (PCI_MSTR_MEMIO_LOCAL >> 12); /* Local base */
immap->im_pci.pci_pocmr1 = cpu_to_le32 (POCMR1_MASK_ATTRIB); /* Size & attribute */
/*
* Set up master window that allows the CPU to access PCI IO space. This window
* is set up using the third set of Outbound ATU registers.
*/
immap->im_pci.pci_potar2 = cpu_to_le32 (PCI_MSTR_IO_BUS >> 12); /* PCI base */
immap->im_pci.pci_pobar2 = cpu_to_le32 (PCI_MSTR_IO_LOCAL >> 12); /* Local base */
immap->im_pci.pci_pocmr2 = cpu_to_le32 (POCMR2_MASK_ATTRIB); /* Size & attribute */
/*
* Set up slave window that allows PCI masters to access MPC826x local memory.
* This window is set up using the first set of Inbound ATU registers
*/
immap->im_pci.pci_pitar0 = cpu_to_le32 (PCI_SLV_MEM_LOCAL >> 12); /* PCI base */
immap->im_pci.pci_pibar0 = cpu_to_le32 (PCI_SLV_MEM_BUS >> 12); /* Local base */
immap->im_pci.pci_picmr0 = cpu_to_le32 (PICMR0_MASK_ATTRIB); /* Size & attribute */
/* See above for description - puts PCI request as highest priority */
#ifdef CONFIG_MPC8272
immap->im_siu_conf.sc_ppc_alrh = 0x01236745;
#else
immap->im_siu_conf.sc_ppc_alrh = 0x03124567;
#endif
/* Park the bus on the PCI */
immap->im_siu_conf.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
/* Host mode - specify the bridge as a host-PCI bridge */
pci_hose_write_config_byte (hose, host_devno, PCI_CLASS_CODE,
PCI_CLASS_BRIDGE_CTLR);
/* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
pci_hose_read_config_word (hose, host_devno, PCI_COMMAND, &tempShort);
pci_hose_write_config_word (hose, host_devno, PCI_COMMAND,
tempShort | PCI_COMMAND_MASTER |
PCI_COMMAND_MEMORY);
/* do some bridge init, should be done on all 8260 based bridges */
pci_hose_write_config_byte (hose, host_devno, PCI_CACHE_LINE_SIZE,
0x08);
pci_hose_write_config_byte (hose, host_devno, PCI_LATENCY_TIMER,
0xF8);
hose->first_busno = 0;
hose->last_busno = 0xff;
/* System memory space */
#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 || defined CONFIG_PM826
pci_set_region (hose->regions + 0,
PCI_SLV_MEM_BUS,
PCI_SLV_MEM_LOCAL,
gd->ram_size, PCI_REGION_MEM | PCI_REGION_MEMORY);
#else
pci_set_region (hose->regions + 0,
CFG_SDRAM_BASE,
CFG_SDRAM_BASE,
0x4000000, PCI_REGION_MEM | PCI_REGION_MEMORY);
#endif
/* PCI memory space */
#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272
pci_set_region (hose->regions + 1,
PCI_MSTR_MEMIO_BUS,
PCI_MSTR_MEMIO_LOCAL,
PCI_MSTR_MEMIO_SIZE, PCI_REGION_MEM);
#else
pci_set_region (hose->regions + 1,
PCI_MSTR_MEM_BUS,
PCI_MSTR_MEM_LOCAL,
PCI_MSTR_MEM_SIZE, PCI_REGION_MEM);
#endif
/* PCI I/O space */
pci_set_region (hose->regions + 2,
PCI_MSTR_IO_BUS,
PCI_MSTR_IO_LOCAL, PCI_MSTR_IO_SIZE, PCI_REGION_IO);
hose->region_count = 3;
pci_register_hose (hose);
/* Mask off master abort machine checks */
immap->im_pci.pci_emr &= cpu_to_le32 (~PCI_ERROR_PCI_NO_RSP);
eieio ();
hose->last_busno = pci_hose_scan (hose);
/* clear the error in the error status register */
immap->im_pci.pci_esr = cpu_to_le32 (PCI_ERROR_PCI_NO_RSP);
/* unmask master abort machine checks */
immap->im_pci.pci_emr |= cpu_to_le32 (PCI_ERROR_PCI_NO_RSP);
}
/**************************************************************************
* pci_init_board()
*
* NOTICE: MPC8349 internally has two PCI controllers (PCI1 and PCI2) but since
* per TQM834x design physical connections to external devices (PCI sockets)
* are routed only to the PCI1 we do not account for the second one - this code
* supports PCI1 module only. Should support for the PCI2 be required in the
* future it needs a separate pci_controller structure (above) and handling -
* please refer to other boards' implementation for dual PCI host controllers,
* for example board/Marvell/db64360/pci.c, pci_init_board()
*
*/
void
pci_init_board(void)
{
volatile immap_t * immr;
volatile clk83xx_t * clk;
volatile law83xx_t * pci_law;
volatile pot83xx_t * pci_pot;
volatile pcictrl83xx_t * pci_ctrl;
volatile pciconf83xx_t * pci_conf;
u16 reg16;
u32 reg32;
struct pci_controller * hose;
immr = (immap_t *)CONFIG_SYS_IMMR;
clk = (clk83xx_t *)&immr->clk;
pci_law = immr->sysconf.pcilaw;
pci_pot = immr->ios.pot;
pci_ctrl = immr->pci_ctrl;
pci_conf = immr->pci_conf;
hose = &pci1_hose;
/*
* Configure PCI controller and PCI_CLK_OUTPUT
*/
/*
* WARNING! only PCI_CLK_OUTPUT1 is enabled here as this is the one
* line actually used for clocking all external PCI devices in TQM83xx.
* Enabling other PCI_CLK_OUTPUT lines may lead to board's hang for
* unknown reasons - particularly PCI_CLK_OUTPUT6 and PCI_CLK_OUTPUT7
* are known to hang the board; this issue is under investigation
* (13 oct 05)
*/
reg32 = OCCR_PCICOE1;
#if 0
/* enabling all PCI_CLK_OUTPUT lines HANGS the board... */
reg32 = 0xff000000;
#endif
if (clk->spmr & SPMR_CKID) {
/* PCI Clock is half CONFIG_83XX_CLKIN so need to set up OCCR
* fields accordingly */
reg32 |= (OCCR_PCI1CR | OCCR_PCI2CR);
reg32 |= (OCCR_PCICD0 | OCCR_PCICD1 | OCCR_PCICD2 \
| OCCR_PCICD3 | OCCR_PCICD4 | OCCR_PCICD5 \
| OCCR_PCICD6 | OCCR_PCICD7);
}
clk->occr = reg32;
udelay(2000);
/*
* Release PCI RST Output signal
*/
pci_ctrl[0].gcr = 0;
udelay(2000);
pci_ctrl[0].gcr = 1;
udelay(2000);
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_16M;
/*
* Configure PCI Outbound Translation Windows
*/
/* PCI1 mem space */
pci_pot[0].potar = (CONFIG_SYS_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
pci_pot[0].pobar = (CONFIG_SYS_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK);
/* PCI1 IO space */
pci_pot[1].potar = (CONFIG_SYS_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[1].pobar = (CONFIG_SYS_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
/*
* Configure PCI Inbound Translation Windows
*/
/* we need RAM mapped to PCI space for the devices to
* access main memory */
pci_ctrl[0].pitar1 = 0x0;
pci_ctrl[0].pibar1 = 0x0;
pci_ctrl[0].piebar1 = 0x0;
pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_256M;
hose->first_busno = 0;
hose->last_busno = 0xff;
/* PCI memory space */
pci_set_region(hose->regions + 0,
CONFIG_SYS_PCI1_MEM_BASE,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 1,
CONFIG_SYS_PCI1_IO_BASE,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
/* System memory space */
pci_set_region(hose->regions + 2,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
CONFIG_PCI_SYS_MEM_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
hose->region_count = 3;
pci_setup_indirect(hose,
(CONFIG_SYS_IMMR+0x8300),
(CONFIG_SYS_IMMR+0x8304));
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
pci_hose_read_config_word (hose, PCI_BDF(0,0,0), PCI_COMMAND,
®16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_COMMAND,
reg16);
/*
* Clear non-reserved bits in status register.
*/
pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_STATUS,
0xffff);
pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_LATENCY_TIMER,
0x80);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
}
