/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor.
*
* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
*
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
#include <spd.h>
#include <miiphy.h>
#include "../common/eeprom.h"
#include "../common/via.h"
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
extern long int spd_sdram(void);
void local_bus_init(void);
/* PCI slot in USER bits CSR[6:7] by convention. */
uint pci_slot = get_pci_slot ();
- uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
- uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */
- uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */
- uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
-
- uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
-
uint cpu_board_rev = get_cpu_board_revision ();
printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
printf ("CPU Board Revision %d.%d (0x%04x)\n",
MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
-
- printf (" PCI1: %d bit, %s MHz, %s\n",
- (pci1_32) ? 32 : 64,
- (pci1_speed == 33000000) ? "33" :
- (pci1_speed == 66000000) ? "66" : "unknown",
- pci1_clk_sel ? "sync" : "async");
-
- if (pci_dual) {
- printf (" PCI2: 32 bit, 66 MHz, %s\n",
- pci2_clk_sel ? "sync" : "async");
- } else {
- printf (" PCI2: disabled\n");
- }
-
/*
* Initialize local bus.
*/
*/
gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */
+ ecm->eedr = 0xffffffff; /* clear ecm errors */
+ ecm->eeer = 0xffffffff; /* enable ecm errors */
return 0;
}
lbc->lcrr |= 0x00030000;
asm("sync;isync;msync");
+
+ lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
+ lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
}
/*
}
#endif
-#if defined(CONFIG_PCI)
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
/* For some reason the Tundra PCI bridge shows up on itself as a
* different device. Work around that by refusing to configure it.
*/
static struct pci_config_table pci_mpc85xxcds_config_table[] = {
{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
- {0x1106, 0x0686, PCI_ANY_ID, 1, 2, 0, mpc85xx_config_via, {0,0,0}},
- {0x1106, 0x0571, PCI_ANY_ID, 1, 2, 1,
+ {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
+ {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
mpc85xx_config_via_usbide, {0,0,0}},
- {0x1105, 0x3038, PCI_ANY_ID, 1, 2, 2, mpc85xx_config_via_usb, {0,0,0}},
- {0x1106, 0x3038, PCI_ANY_ID, 1, 2, 3, mpc85xx_config_via_usb2, {0,0,0}},
- {0x1106, 0x3058, PCI_ANY_ID, 1, 2, 5,
+ {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
+ mpc85xx_config_via_usb, {0,0,0}},
+ {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
+ mpc85xx_config_via_usb2, {0,0,0}},
+ {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
mpc85xx_config_via_power, {0,0,0}},
- {0x1106, 0x3068, PCI_ANY_ID, 1, 2, 6, mpc85xx_config_via_ac97, {0,0,0}},
- {},
-};
-
-static struct pci_controller hose[] = {
- { config_table: pci_mpc85xxcds_config_table,},
-#ifdef CONFIG_MPC85XX_PCI2
+ {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
+ mpc85xx_config_via_ac97, {0,0,0}},
{},
-#endif
};
+static struct pci_controller pci1_hose = {
+ config_table: pci_mpc85xxcds_config_table};
#endif /* CONFIG_PCI */
+#ifdef CONFIG_PCI2
+static struct pci_controller pci2_hose;
+#endif /* CONFIG_PCI2 */
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif /* CONFIG_PCIE1 */
+
+int first_free_busno=0;
+
void
pci_init_board(void)
{
-#ifdef CONFIG_PCI
- pci_mpc85xx_init(&hose);
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+ 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 *) CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+ struct pci_config_table *table;
+
+ 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 */
+ 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;
+
+ /* 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 *) 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 %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
+
}
int last_stage_init(void)
return 0;
}
+
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_pci_setup(void *blob, bd_t *bd)
+{
+ u32 *p;
+ int len;
+
+
+#ifdef CONFIG_PCI1
+ p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len);
+ if (p != NULL) {
+ p[0] = 0;
+ p[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ debug("PCI@8000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+ }
+#endif
+
+#ifdef CONFIG_PCIE1
+ p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@a000/bus-range", &len);
+ if (p != NULL) {
+ p[0] = 0;
+ p[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ debug("PCI@a000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+ }
+#endif
+}
+#endif
projects / u-boot / blobdiff