Add PCI Express support on MPC8568MDS

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Haiying Wang 2007-11-14 15:52:06 -05:00 committed by Kumar Gala
parent b90d254976
commit 1563f56e0c
5 changed files with 206 additions and 70 deletions

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@ -29,9 +29,7 @@ endif
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o \
bcsr.o \
ft_board.o
COBJS := $(BOARD).o bcsr.o
SOBJS := init.o

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@ -1,45 +0,0 @@
/*
* Copyright 2004-2007 Freescale Semiconductor.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <ft_build.h>
extern void ft_cpu_setup(void *blob, bd_t *bd);
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
ft_cpu_setup(blob, bd);
p = ft_get_prop(blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
}
#endif /* CONFIG_OF_FLAT_TREE && CONFIG_OF_BOARD_SETUP */

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@ -28,6 +28,11 @@
#include <config.h>
#include <mpc85xx.h>
#define LAWAR_TRGT_PCI1 0x00000000
#define LAWAR_TRGT_PCIE1 0x00200000
#define LAWAR_TRGT_RIO 0x00c00000
#define LAWAR_TRGT_LBC 0x00400000
#define LAWAR_TRGT_DDR 0x00f00000
/*
* TLB0 and TLB1 Entries
@ -211,27 +216,27 @@ tlb1_entry:
*/
#define LAWBAR0 0
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#define LAWAR0 ((LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR2 ((CFG_PEX_MEM_BASE>>12) & 0xfffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR2 ((CFG_PCIE1_MEM_BASE>>12) & 0xfffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWBAR4 ((CFG_PEX_IO_PHYS>>12) & 0xfffff)
#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWBAR4 ((CFG_PCIE1_IO_PHYS>>12) & 0xfffff)
#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWBAR5 ((CFG_SRIO_MEM_BASE>>12) & 0xfffff)
#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
/* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */
#define LAWBAR6 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
.section .bootpg, "ax"
.globl law_entry

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@ -26,10 +26,15 @@
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <asm/immap_fsl_pci.h>
#include <spd.h>
#include <i2c.h>
#include <ioports.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
#include "bcsr.h"
const qe_iop_conf_t qe_iop_conf_tab[] = {
@ -336,16 +341,19 @@ static struct pci_config_table pci_mpc8568mds_config_table[] = {
};
#endif
static struct pci_controller hose[] = {
{
static struct pci_controller pci1_hose = {
#ifndef CONFIG_PCI_PNP
config_table: pci_mpc8568mds_config_table,
#endif
}
};
#endif /* CONFIG_PCI */
#ifdef CONFIG_PCIE1
static struct pci_controller pcie1_hose;
#endif /* CONFIG_PCIE1 */
int first_free_busno = 0;
/*
* pib_init() -- Initialize the PCA9555 IO expander on the PIB board
*/
@ -388,11 +396,170 @@ pib_init(void)
asm("eieio");
}
#ifdef CONFIG_PCI
void
pci_init_board(void)
{
#ifdef CONFIG_PCI
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
#ifdef CONFIG_PCI1
{
pib_init();
pci_mpc85xx_init(hose);
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;
uint pci_32 = 1; /* 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 = 66666000;
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;
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);
} else {
printf (" PCI: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#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 %02x - %02x\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
}
#endif /* CONFIG_PCI */
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
ft_cpu_setup(blob, bd);
p = ft_get_prop(blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
#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

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@ -33,7 +33,10 @@
#define CONFIG_MPC8568 1 /* MPC8568 specific */
#define CONFIG_MPC8568MDS 1 /* MPC8568MDS board specific */
#define CONFIG_PCI
#define CONFIG_PCI 1 /* Enable PCI/PCIE */
#define CONFIG_PCI1 1 /* PCI controller */
#define CONFIG_PCIE1 1 /* PCIE controller */
#define CONFIG_FSL_PCI_INIT 1 /* use common fsl pci init code */
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_QE /* Enable QE */
#define CONFIG_ENV_OVERWRITE
@ -87,6 +90,9 @@ extern unsigned long get_clock_freq(void);
#define CFG_CCSRBAR 0xe0000000 /* relocated CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
#define CFG_PCI1_ADDR (CFG_CCSRBAR+0x8000)
#define CFG_PCIE1_ADDR (CFG_CCSRBAR+0xa000)
/*
* DDR Setup
*/
@ -325,12 +331,12 @@ extern unsigned long get_clock_freq(void);
#define CFG_PCI1_IO_PHYS 0xe2000000
#define CFG_PCI1_IO_SIZE 0x00800000 /* 8M */
#define CFG_PEX_MEM_BASE 0xa0000000
#define CFG_PEX_MEM_PHYS CFG_PEX_MEM_BASE
#define CFG_PEX_MEM_SIZE 0x10000000 /* 256M */
#define CFG_PEX_IO_BASE 0x00000000
#define CFG_PEX_IO_PHYS 0xe2800000
#define CFG_PEX_IO_SIZE 0x00800000 /* 8M */
#define CFG_PCIE1_MEM_BASE 0xa0000000
#define CFG_PCIE1_MEM_PHYS CFG_PCIE1_MEM_BASE
#define CFG_PCIE1_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCIE1_IO_BASE 0x00000000
#define CFG_PCIE1_IO_PHYS 0xe2800000
#define CFG_PCIE1_IO_SIZE 0x00800000 /* 8M */
#define CFG_SRIO_MEM_BASE 0xc0000000
@ -383,6 +389,11 @@ extern unsigned long get_clock_freq(void);
#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */
/* PCI view of System Memory */
#define CFG_PCI_MEMORY_BUS 0x00000000
#define CFG_PCI_MEMORY_PHYS 0x00000000
#define CFG_PCI_MEMORY_SIZE 0x80000000
#endif /* CONFIG_PCI */
#ifndef CONFIG_NET_MULTI