/*-----------------------------------------------------------------------------+
+ * This source code is dual-licensed. You may use it under the terms of
+ * the GNU General Public license version 2, or under the license below.
*
* This source code has been made available to you by IBM on an AS-IS
* basis. Anyone receiving this source is licensed under IBM
*/
int __pci_pre_init(struct pci_controller *hose)
{
+#if defined (CONFIG_405EP)
+ /*
+ * Enable the internal PCI arbiter by default.
+ *
+ * On 405EP CPUs the internal arbiter can be controlled
+ * by the I2C strapping EEPROM. If you want to do so
+ * or if you want to disable the arbiter pci_pre_init()
+ * must be reimplemented without enabling the arbiter.
+ * The arbiter is enabled in this place because of
+ * compatibility reasons.
+ */
+ mtdcr(CPC0_PCI, mfdcr(CPC0_PCI) | CPC0_PCI_ARBIT_EN);
+#endif /* CONFIG_405EP */
+
return 1;
}
int pci_pre_init(struct pci_controller *hose) __attribute__((weak, alias("__pci_pre_init")));
/*#define DEBUG*/
+int __is_pci_host(struct pci_controller *hose)
+{
+#if defined(CONFIG_405GP)
+ if (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN)
+ return 1;
+#elif defined (CONFIG_405EP)
+ if (mfdcr(CPC0_PCI) & CPC0_PCI_ARBIT_EN)
+ return 1;
+#endif
+ return 0;
+}
+int is_pci_host(struct pci_controller *hose) __attribute__((weak, alias("__is_pci_host")));
+
/*-----------------------------------------------------------------------------+
* pci_init. Initializes the 405GP PCI Configuration regs.
*-----------------------------------------------------------------------------*/
bd_t *bd = gd->bd;
unsigned short temp_short;
- unsigned long ptmpcila[2] = {CFG_PCI_PTM1PCI, CFG_PCI_PTM2PCI};
-#if defined(CONFIG_CPCI405) || defined(CONFIG_PMC405)
+ unsigned long ptmpcila[2] = {CONFIG_SYS_PCI_PTM1PCI, CONFIG_SYS_PCI_PTM2PCI};
+#if defined(CONFIG_PCI_4xx_PTM_OVERWRITE)
char *ptmla_str, *ptmms_str;
#endif
- unsigned long ptmla[2] = {CFG_PCI_PTM1LA, CFG_PCI_PTM2LA};
- unsigned long ptmms[2] = {CFG_PCI_PTM1MS, CFG_PCI_PTM2MS};
+ 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};
#endif
#endif
-#if defined(CONFIG_CPCI405) || defined(CONFIG_PMC405)
+#if defined(CONFIG_PCI_4xx_PTM_OVERWRITE)
ptmla_str = getenv("ptm1la");
ptmms_str = getenv("ptm1ms");
if(NULL != ptmla_str && NULL != ptmms_str ) {
ptmpcila[i], ptmla[i],
~(ptmms[i] & 0xfffff000) + 1,
PCI_REGION_MEM |
- PCI_REGION_MEMORY);
+ PCI_REGION_SYS_MEMORY);
}
/* PCI memory spaces */
/*
* Insert Subsystem Vendor and Device ID
*/
- pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_VENDOR_ID, CFG_PCI_SUBSYS_VENDORID);
+ 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, CFG_PCI_SUBSYS_DEVICEID);
+ if (is_pci_host(hose))
+ pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
else
- pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_DEVICEID2);
+ pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID2);
#else
- pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_DEVICEID);
+ pci_write_config_word(PCIDEVID_405GP, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
#endif
/*
* Insert Class-code
*/
-#ifdef CFG_PCI_CLASSCODE
- pci_write_config_word(PCIDEVID_405GP, PCI_CLASS_SUB_CODE, CFG_PCI_CLASSCODE);
-#endif /* CFG_PCI_CLASSCODE */
+#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 PCI speed = 66MHz, set 66MHz capable bit.
*--------------------------------------------------------------------------*/
if (bd->bi_pci_busfreq >= 66000000) {
pci_read_config_word(PCIDEVID_405GP, PCI_STATUS, &temp_short);
#if (CONFIG_PCI_HOST != PCI_HOST_ADAPTER)
#if (CONFIG_PCI_HOST == PCI_HOST_AUTO)
- if ((mfdcr(strap) & PSR_PCI_ARBIT_EN) ||
+ if (is_pci_host(hose) ||
(((s = getenv("pciscan")) != NULL) && (strcmp(s, "yes") == 0)))
#endif
{
}
#endif
-#if defined(CONFIG_405EP) /* on ppc405ep vendor id is not set */
- pci_write_config_word(PCIDEVID_405GP, PCI_VENDOR_ID, 0x1014); /* IBM */
+#if defined(CONFIG_405EP)
+ /*
+ * on ppc405ep vendor/device id is not set
+ * The user manual says 0x1014 (IBM) / 0x0156 (405GP!)
+ * are the correct values.
+ */
+ pci_write_config_word(PCIDEVID_405GP, PCI_VENDOR_ID, PCI_VENDOR_ID_IBM);
+ pci_write_config_word(PCIDEVID_405GP,
+ PCI_DEVICE_ID, PCI_DEVICE_ID_IBM_405GP);
#endif
/*
* Scan the PCI bus and configure devices found.
*--------------------------------------------------------------------------*/
#if (CONFIG_PCI_HOST == PCI_HOST_AUTO)
- if ((mfdcr(strap) & PSR_PCI_ARBIT_EN) ||
+ if (is_pci_host(hose) ||
(((s = getenv("pciscan")) != NULL) && (strcmp(s, "yes") == 0)))
#endif
{
*/
static struct pci_config_table pci_405gp_config_table[] = {
/*if VendID is 0 it terminates the table search (ie Walnut)*/
-#ifdef CFG_PCI_SUBSYS_VENDORID
- {CFG_PCI_SUBSYS_VENDORID, PCI_ANY_ID, PCI_CLASS_BRIDGE_HOST,
+#ifdef CONFIG_SYS_PCI_SUBSYS_VENDORID
+ {CONFIG_SYS_PCI_SUBSYS_VENDORID, PCI_ANY_ID, PCI_CLASS_BRIDGE_HOST,
PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, pci_405gp_setup_bridge},
#endif
{PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA,
#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
unsigned long strap;
- mfsdr(sdr_sdstp1,strap);
+ mfsdr(SDR0_SDSTP1,strap);
if ((strap & SDR0_SDSTP1_PISE_MASK) == 0) {
printf("PCI: SDR0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
#elif defined(CONFIG_440GP)
unsigned long strap;
- strap = mfdcr(cpc0_strp1);
+ strap = mfdcr(CPC0_STRP1);
if ((strap & CPC0_STRP1_PISE_MASK) == 0) {
printf("PCI: CPC0_STRP1[PISE] not set.\n");
printf("PCI: Configuration aborted.\n");
/* PCI memory space */
pci_set_region(hose->regions + reg_num++,
- CFG_PCI_TARGBASE,
- CFG_PCI_MEMBASE,
-#ifdef CFG_PCI_MEMSIZE
- CFG_PCI_MEMSIZE,
+ CONFIG_SYS_PCI_TARGBASE,
+ CONFIG_SYS_PCI_MEMBASE,
+#ifdef CONFIG_SYS_PCI_MEMSIZE
+ CONFIG_SYS_PCI_MEMSIZE,
#else
0x10000000,
#endif
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
CONFIG_PCI_SYS_MEM_SIZE,
- PCI_REGION_MEM | PCI_REGION_MEMORY );
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY );
#endif
hose->region_count = reg_num;
/*--------------------------------------------------------------------------+
* PCI target init
*--------------------------------------------------------------------------*/
-#if defined(CFG_PCI_TARGET_INIT)
+#if defined(CONFIG_SYS_PCI_TARGET_INIT)
pci_target_init(hose); /* Let board setup pci target */
#else
- out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
- out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_ID );
+ out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
+ out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_ID );
out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */
#endif
/*--------------------------------------------------------------------------+
* PCI master init: default is one 256MB region for PCI memory:
- * 0x3_00000000 - 0x3_0FFFFFFF ==> CFG_PCI_MEMBASE
+ * 0x3_00000000 - 0x3_0FFFFFFF ==> CONFIG_SYS_PCI_MEMBASE
*--------------------------------------------------------------------------*/
-#if defined(CFG_PCI_MASTER_INIT)
+#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)
+#if defined(CONFIG_440SPE)
out32r( PCIX0_POM0LAL, 0x10000000 );
out32r( PCIX0_POM0LAH, 0x0000000c );
+#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
+ out32r( PCIX0_POM0LAL, 0x20000000 );
+ out32r( PCIX0_POM0LAH, 0x0000000c );
#else
out32r( PCIX0_POM0LAL, 0x00000000 );
out32r( PCIX0_POM0LAH, 0x00000003 );
#endif
- out32r( PCIX0_POM0PCIAL, CFG_PCI_MEMBASE );
+ out32r( PCIX0_POM0PCIAL, CONFIG_SYS_PCI_MEMBASE );
out32r( PCIX0_POM0PCIAH, 0x00000000 );
out32r( PCIX0_POM0SA, 0xf0000001 ); /* 256MB, enabled */
out32r( PCIX0_STS, in32r( PCIX0_STS ) & ~0x0000fff8 );
int busno;
busno = pci_440_init (&ppc440_hose);
-#if defined(CONFIG_440SPE) || \
- defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#if (defined(CONFIG_440SPE) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT)) && \
+ !defined(CONFIG_PCI_DISABLE_PCIE)
pcie_setup_hoses(busno + 1);
#endif
}
projects / platform / kernel / u-boot.git / blobdiff