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Merge branch 'mpc8349ads'

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This commit is contained in:
Kumar Gala
2006-01-12 15:52:02 -06:00
parent d5e78b7bf4 bc680b12d0
commit 06508f1c9b
4 changed files with 147 additions and 10 deletions
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1
CHANGELOG
View File

@@ -2,6 +2,7 @@
Changes since U-Boot 1.1.4:
======================================================================
<<<<<<< HEAD/CHANGELOG
* Fixed PCI indirect config ops to handle multiple PCI controllers
We need to adjust the bus number we are trying to access based
on which PCI controller its on

141
board/mpc8349ads/pci.c
View File

@@ -23,6 +23,7 @@
#include <common.h>
#include <asm/global_data.h>
#include <pci.h>
#include <asm/mpc8349_pci.h>
#include <i2c.h>
#ifdef CONFIG_PCI
@@ -163,7 +164,20 @@ pci_init_board(void)
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
@@ -178,16 +192,21 @@ pci_init_board(void)
* Configure PCI Outbound Translation Windows
*/
/* PCI1 mem space */
/* PCI1 mem space - prefetch */
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);
pci_pot[0].pocmr = POCMR_EN | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/* PCI1 IO space */
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);
/* PCI1 mmio - non-prefetch mem space */
pci_pot[2].potar = (CFG_PCI1_MMIO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[2].pobar = (CFG_PCI1_MMIO_PHYS >> 12) & POBAR_BA_MASK;
pci_pot[2].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/*
* Configure PCI Inbound Translation Windows
*/
@@ -197,33 +216,40 @@ pci_init_board(void)
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[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 space */
/* PCI memory prefetch space */
pci_set_region(hose->regions + 0,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM|PCI_REGION_PREFETCH);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CFG_PCI1_MMIO_BASE,
CFG_PCI1_MMIO_PHYS,
CFG_PCI1_MMIO_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 1,
pci_set_region(hose->regions + 2,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
/* System memory space */
pci_set_region(hose->regions + 2,
pci_set_region(hose->regions + 3,
CONFIG_PCI_SYS_MEM_BUS,
CONFIG_PCI_SYS_MEM_PHYS,
gd->ram_size,
PCI_REGION_MEM | PCI_REGION_MEMORY);
hose->region_count = 3;
hose->region_count = 4;
pci_setup_indirect(hose,
(CFG_IMMRBAR+0x8300),
@@ -248,6 +274,8 @@ pci_init_board(void)
0xffff);
pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_LATENCY_TIMER,
0x80);
pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_CACHE_LINE_SIZE,
0x08);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
@@ -256,5 +284,104 @@ pci_init_board(void)
* 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 = (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_PCI2 | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
/* PCI2 IO space */
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_PCI2 | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
/* PCI2 mmio - non-prefetch mem space */
pci_pot[5].potar = (CFG_PCI2_MMIO_BASE >> 12) & POTAR_TA_MASK;
pci_pot[5].pobar = (CFG_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,
CFG_PCI2_MEM_BASE,
CFG_PCI2_MEM_PHYS,
CFG_PCI2_MEM_SIZE,
PCI_REGION_MEM|PCI_REGION_PREFETCH);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CFG_PCI2_MMIO_BASE,
CFG_PCI2_MMIO_PHYS,
CFG_PCI2_MMIO_SIZE,
PCI_REGION_MEM);
/* PCI IO space */
pci_set_region(hose->regions + 2,
CFG_PCI2_IO_BASE,
CFG_PCI2_IO_PHYS,
CFG_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_MEMORY);
hose->region_count = 4;
pci_setup_indirect(hose,
(CFG_IMMRBAR+0x8380),
(CFG_IMMRBAR+0x8384));
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
pci_hose_read_config_word (hose, PCI_BDF(0,0,0), PCI_COMMAND,
&reg16);
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);
pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_CACHE_LINE_SIZE,
0x08);
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
#endif
}
#endif /* CONFIG_PCI */

1
include/asm-ppc/mpc8349_pci.h
View File

@@ -77,6 +77,7 @@
#define POCMR_ENABLE 0x80000000
#define POCMR_PCI_IO 0x40000000
#define POCMR_PREFETCH_EN 0x20000000
#define POCMR_PCI2 0x10000000
/* Soft PCI reset */

14
include/configs/MPC8349ADS.h
View File

@@ -42,6 +42,7 @@
#define CONFIG_MPC8349ADS 1 /* MPC8349ADS board specific */
#define CONFIG_PCI
#undef CONFIG_MPC83XX_PCI2 /* support for 2nd PCI controller */
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
@@ -322,16 +323,23 @@
* General PCI
* Addresses are mapped 1-1.
*/
#define CFG_PCI1_MEM_BASE 0x80000000
#define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI1_MEM_SIZE 0x10000000 /* 256M */
#define CFG_PCI1_MMIO_BASE 0x90000000
#define CFG_PCI1_MMIO_PHYS CFG_PCI1_MMIO_BASE
#define CFG_PCI1_MMIO_SIZE 0x10000000 /* 256M */
#define CFG_PCI1_IO_BASE 0x00000000
#define CFG_PCI1_IO_PHYS 0xe2000000
#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */
#define CFG_PCI2_MEM_BASE 0xA0000000
#define CFG_PCI2_MEM_BASE 0xa0000000
#define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI2_MEM_SIZE 0x10000000 /* 256M */
#define CFG_PCI2_MMIO_BASE 0xb0000000
#define CFG_PCI2_MMIO_PHYS CFG_PCI2_MMIO_BASE
#define CFG_PCI2_MMIO_SIZE 0x10000000 /* 256M */
#define CFG_PCI2_IO_BASE 0x00000000
#define CFG_PCI2_IO_PHYS 0xe3000000
#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */