#include <asm/todc.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/prom.h>
#include <asm/open_pic.h>
+#include <asm/i8259.h>
#include <asm/bootinfo.h>
#include <asm/pci-bridge.h>
#include <asm/mpc85xx.h>
static volatile u8 * cadmus;
/* Internal interrupts are all Level Sensitive, and Positive Polarity */
-
static u_char mpc85xx_cds_openpic_initsenses[] __initdata = {
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 0: L2 Cache */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 1: ECM */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 2: DDR DRAM */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 3: LBIU */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 4: DMA 0 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 5: DMA 1 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 6: DMA 2 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 7: DMA 3 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 8: PCI/PCI-X */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 9: RIO Inbound Port Write Error */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 10: RIO Doorbell Inbound */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 11: RIO Outbound Message */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 12: RIO Inbound Message */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 13: TSEC 0 Transmit */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 14: TSEC 0 Receive */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 15: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 16: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 17: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 18: TSEC 0 Receive/Transmit Error */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 19: TSEC 1 Transmit */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 20: TSEC 1 Receive */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 21: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 22: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 23: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 24: TSEC 1 Receive/Transmit Error */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 25: Fast Ethernet */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 26: DUART */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 27: I2C */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 28: Performance Monitor */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 29: Unused */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 30: CPM */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 31: Unused */
+ MPC85XX_INTERNAL_IRQ_SENSES,
#if defined(CONFIG_PCI)
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 0: PCI1 slot */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 1: PCI1 slot */
mpc85xx_cds_init_IRQ(void)
{
bd_t *binfo = (bd_t *) __res;
+ int i;
/* Determine the Physical Address of the OpenPIC regs */
phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET;
OpenPIC_NumInitSenses = sizeof (mpc85xx_cds_openpic_initsenses);
/* Skip reserved space and internal sources */
+#ifdef CONFIG_MPC8548
+ openpic_set_sources(0, 48, OpenPIC_Addr + 0x10200);
+#else
openpic_set_sources(0, 32, OpenPIC_Addr + 0x10200);
+#endif
/* Map PIC IRQs 0-11 */
- openpic_set_sources(32, 12, OpenPIC_Addr + 0x10000);
+ openpic_set_sources(48, 12, OpenPIC_Addr + 0x10000);
/* we let openpic interrupts starting from an offset, to
* leave space for cascading interrupts underneath.
*/
openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET);
+#ifdef CONFIG_PCI
+ openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq);
+
+ for (i = 0; i < NUM_8259_INTERRUPTS; i++)
+ irq_desc[i].handler = &i8259_pic;
+
+ i8259_init(0);
+#endif
+
#ifdef CONFIG_CPM2
/* Setup CPM2 PIC */
cpm2_init_IRQ();
* interrupt on slot */
{
{ 0, 1, 2, 3 }, /* 16 - PMC */
- { 3, 0, 0, 0 }, /* 17 P2P (Tsi320) */
+ { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */
{ 0, 1, 2, 3 }, /* 18 - Slot 1 */
{ 1, 2, 3, 0 }, /* 19 - Slot 2 */
{ 2, 3, 0, 1 }, /* 20 - Slot 3 */
return PCIBIOS_DEVICE_NOT_FOUND;
#endif
/* We explicitly do not go past the Tundra 320 Bridge */
- if (bus == 1)
+ if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;
if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;
else
return PCIBIOS_SUCCESSFUL;
}
+
+void __init
+mpc85xx_cds_enable_via(struct pci_controller *hose)
+{
+ u32 pci_class;
+ u16 vid, did;
+
+ early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+ if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+ return;
+
+ /* Configure P2P so that we can reach bus 1 */
+ early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0);
+ early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1);
+ early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff);
+
+ early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+ early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+
+ if ((vid != PCI_VENDOR_ID_VIA) ||
+ (did != PCI_DEVICE_ID_VIA_82C686))
+ return;
+
+ /* Enable USB and IDE functions */
+ early_write_config_byte(hose, 1, 0x10, 0x48, 0x08);
+}
+
+void __init
+mpc85xx_cds_fixup_via(struct pci_controller *hose)
+{
+ u32 pci_class;
+ u16 vid, did;
+
+ early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+ if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+ return;
+
+ /*
+ * Force the backplane P2P bridge to have a window
+ * open from 0x00000000-0x00001fff in PCI I/O space.
+ * This allows legacy I/O (i8259, etc) on the VIA
+ * southbridge to be accessed.
+ */
+ early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00);
+ early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000);
+ early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10);
+ early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000);
+
+ early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+ early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+ if ((vid != PCI_VENDOR_ID_VIA) ||
+ (did != PCI_DEVICE_ID_VIA_82C686))
+ return;
+
+ /*
+ * Since the P2P window was forced to cover the fixed
+ * legacy I/O addresses, it is necessary to manually
+ * place the base addresses for the IDE and USB functions
+ * within this window.
+ */
+ /* Function 1, IDE */
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0);
+
+ /* Function 2, USB ports 0-1 */
+ early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0);
+
+ /* Function 3, USB ports 2-3 */
+ early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80);
+
+ /* Function 5, Power Management */
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00);
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc);
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8);
+
+ /* Function 6, AC97 Interface */
+ early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00);
+}
+
+void __init
+mpc85xx_cds_pcibios_fixup(void)
+{
+ struct pci_dev *dev = NULL;
+ u_char c;
+
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
+ /*
+ * U-Boot does not set the enable bits
+ * for the IDE device. Force them on here.
+ */
+ pci_read_config_byte(dev, 0x40, &c);
+ c |= 0x03; /* IDE: Chip Enable Bits */
+ pci_write_config_byte(dev, 0x40, c);
+
+ /*
+ * Since only primary interface works, force the
+ * IDE function to standard primary IDE interrupt
+ * w/ 8259 offset
+ */
+ dev->irq = 14;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+ }
+
+ /*
+ * Force legacy USB interrupt routing
+ */
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
+ dev->irq = 10;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
+ }
+
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_2, dev))) {
+ dev->irq = 11;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
+ }
+}
#endif /* CONFIG_PCI */
TODC_ALLOC();
loops_per_jiffy = freq / HZ;
#ifdef CONFIG_PCI
+ /* VIA IDE configuration */
+ ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
+
/* setup PCI host bridges */
mpc85xx_setup_hose();
#endif
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Invalidate the entry we stole earlier the serial ports
* should be properly mapped */
- invalidate_tlbcam_entry(NUM_TLBCAMS - 1);
+ invalidate_tlbcam_entry(num_tlbcam_entries - 1);
#endif
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 0;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 0;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 1;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 1;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
+
+ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC1);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 0;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
+
+ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_eTSEC2);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 1;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
+ ppc_sys_device_remove(MPC85xx_eTSEC3);
+ ppc_sys_device_remove(MPC85xx_eTSEC4);
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
struct uart_port p;
/* Use the last TLB entry to map CCSRBAR to allow access to DUART regs */
- settlbcam(NUM_TLBCAMS - 1, binfo->bi_immr_base,
+ settlbcam(num_tlbcam_entries - 1, binfo->bi_immr_base,
binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0);
memset(&p, 0, sizeof (p));