diff options
Diffstat (limited to 'board/xes/common/fsl_85xx_pci.c')
| -rw-r--r-- | board/xes/common/fsl_85xx_pci.c | 103 |
1 files changed, 99 insertions, 4 deletions
diff --git a/board/xes/common/fsl_85xx_pci.c b/board/xes/common/fsl_85xx_pci.c index 4b04881..56f3447 100644 --- a/board/xes/common/fsl_85xx_pci.c +++ b/board/xes/common/fsl_85xx_pci.c @@ -34,6 +34,9 @@ extern void fsl_pci_init(struct pci_controller *hose); int first_free_busno = 0; +#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif #ifdef CONFIG_PCIE1 static struct pci_controller pcie1_hose; #endif @@ -44,6 +47,7 @@ static struct pci_controller pcie2_hose; static struct pci_controller pcie3_hose; #endif +#ifdef CONFIG_MPC8572 /* Correlate host/agent POR bits to usable info. Table 4-14 */ struct host_agent_cfg_t { uchar pcie_root[3]; @@ -81,6 +85,38 @@ struct io_port_cfg_t { {{0, 0, 0}, 4}, {{8, 0, 0}, 0}, }; +#elif defined CONFIG_MPC8548 +/* Correlate host/agent POR bits to usable info. Table 4-12 */ +struct host_agent_cfg_t { + uchar pci_host[2]; + uchar pcie_root[1]; + uchar rio_host; +} host_agent_cfg[8] = { + {{1, 1}, {0}, 0}, + {{1, 1}, {1}, 0}, + {{1, 1}, {0}, 1}, + {{0, 0}, {0}, 0}, /* reserved */ + {{0, 1}, {1}, 0}, + {{1, 1}, {1}, 0}, + {{0, 1}, {1}, 1}, + {{1, 1}, {1}, 1} +}; + +/* Correlate port width POR bits to usable info. Table 4-13 */ +struct io_port_cfg_t { + uchar pcie_width[1]; + uchar rio_width; +} io_port_cfg[8] = { + {{0}, 0}, + {{0}, 0}, + {{0}, 0}, + {{4}, 4}, + {{4}, 4}, + {{0}, 4}, + {{0}, 4}, + {{8}, 0}, +}; +#endif void pci_init_board(void) { @@ -94,9 +130,65 @@ void pci_init_board(void) uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; struct pci_region *r; - debug(" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", - devdisr, io_sel, host_agent); +#ifdef CONFIG_PCI1 + uint pci_spd_norm = (gur->pordevsr & MPC85xx_PORDEVSR_PCI1_SPD); + uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; + uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; + uint pcix = gur->pordevsr & MPC85xx_PORDEVSR_PCI1; + uint freq = CONFIG_SYS_CLK_FREQ / 1000 / 1000; + + width = 0; /* Silence compiler warning... */ + io_sel &= 0xf; /* Silence compiler warning... */ + pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR; + hose = &pci1_hose; + host = host_agent_cfg[host_agent].pci_host[0]; + r = hose->regions; + + + if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { + printf("\n PCI1: %d bit %s, %s %d MHz, %s, %s\n", + pci_32 ? 32 : 64, + pcix ? "PCIX" : "PCI", + pci_spd_norm ? ">=" : "<=", + pcix ? freq * 2 : freq, + host ? "host" : "agent", + 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; + + 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"); + } +#elif defined CONFIG_MPC8548 + /* PCI1 not present on MPC8572 */ + gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ +#endif #ifdef CONFIG_PCIE1 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; hose = &pcie1_hose; @@ -143,7 +235,7 @@ void pci_init_board(void) if (!host) fsl_pci_config_unlock(hose); - first_free_busno = hose->last_busno+1; + first_free_busno = hose->last_busno + 1; printf(" PCIE1 on bus %02x - %02x\n", hose->first_busno, hose->last_busno); } @@ -200,7 +292,6 @@ void pci_init_board(void) first_free_busno = hose->last_busno+1; printf(" PCIE2 on bus %02x - %02x\n", hose->first_busno, hose->last_busno); - } #else gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */ @@ -267,6 +358,10 @@ extern void ft_fsl_pci_setup(void *blob, const char *pci_alias, void ft_board_pci_setup(void *blob, bd_t *bd) { + /* TODO - make node name (eg pci0) dynamic */ +#ifdef CONFIG_PCI1 + ft_fsl_pci_setup(blob, "pci0", &pci1_hose); +#endif #ifdef CONFIG_PCIE1 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose); #endif |