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/*
* Copyright 2007 Freescale Semiconductor, Inc.
*
* 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 <command.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <asm/immap_fsl_pci.h>
#include <asm/io.h>
#include <spd_sdram.h>
#include <miiphy.h>
#include <libfdt.h>
#include <fdt_support.h>
#include "../common/pixis.h"
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
void sdram_init(void);
int checkboard (void)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
if ((uint)&gur->porpllsr != 0xe00e0000) {
printf("immap size error %x\n",&gur->porpllsr);
}
printf ("Board: MPC8544DS\n");
lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
ecm->eedr = 0xffffffff; /* Clear ecm errors */
ecm->eeer = 0xffffffff; /* Enable ecm errors */
return 0;
}
long int
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
dram_size = spd_sdram();
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
puts(" DDR: ");
return dram_size;
}
#ifdef CONFIG_PCI1
static struct pci_controller pci1_hose;
#endif
#ifdef CONFIG_PCIE1
static struct pci_controller pcie1_hose;
#endif
#ifdef CONFIG_PCIE2
static struct pci_controller pcie2_hose;
#endif
#ifdef CONFIG_PCIE3
static struct pci_controller pcie3_hose;
#endif
int first_free_busno=0;
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
devdisr, io_sel, host_agent);
if (io_sel & 1) {
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
printf (" eTSEC1 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
printf (" eTSEC3 is in sgmii mode.\n");
}
#ifdef CONFIG_PCIE3
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE3_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pcie3_hose;
int pcie_ep = (host_agent == 1);
int pcie_configured = io_sel >= 1;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE3 connected to ULI 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_PCIE3_MEM_BASE,
CFG_PCIE3_MEM_PHYS,
CFG_PCIE3_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCIE3_IO_BASE,
CFG_PCIE3_IO_PHYS,
CFG_PCIE3_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
#ifdef CFG_PCIE3_MEM_BASE2
/* outbound memory */
pci_set_region(hose->regions + 3,
CFG_PCIE3_MEM_BASE2,
CFG_PCIE3_MEM_PHYS2,
CFG_PCIE3_MEM_SIZE2,
PCI_REGION_MEM);
hose->region_count++;
#endif
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 (" PCIE3 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
/*
* Activate ULI1575 legacy chip by performing a fake
* memory access. Needed to make ULI RTC work.
*/
in_be32((u32 *)CFG_PCIE3_MEM_BASE);
} else {
printf (" PCIE3: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* 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 == 5);
int pcie_configured = io_sel & 6;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE1 connected to Slot2 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;
#ifdef CFG_PCIE1_MEM_BASE2
/* outbound memory */
pci_set_region(hose->regions + 3,
CFG_PCIE1_MEM_BASE2,
CFG_PCIE1_MEM_PHYS2,
CFG_PCIE1_MEM_SIZE2,
PCI_REGION_MEM);
hose->region_count++;
#endif
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(" PCIE1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCIE1: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
#ifdef CONFIG_PCIE2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pcie2_hose;
int pcie_ep = (host_agent == 3);
int pcie_configured = io_sel & 4;
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE2 connected to Slot 1 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_PCIE2_MEM_BASE,
CFG_PCIE2_MEM_PHYS,
CFG_PCIE2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCIE2_IO_BASE,
CFG_PCIE2_IO_PHYS,
CFG_PCIE2_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
#ifdef CFG_PCIE2_MEM_BASE2
/* outbound memory */
pci_set_region(hose->regions + 3,
CFG_PCIE2_MEM_BASE2,
CFG_PCIE2_MEM_PHYS2,
CFG_PCIE2_MEM_SIZE2,
PCI_REGION_MEM);
hose->region_count++;
#endif
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 (" PCIE2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCIE2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
#endif
#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;
uint pci_agent = (host_agent == 6);
uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
uint pci_32 = 1;
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\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",
(uint)pci
);
/* 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;
#ifdef CFG_PCIE3_MEM_BASE2
/* outbound memory */
pci_set_region(hose->regions + 3,
CFG_PCIE3_MEM_BASE2,
CFG_PCIE3_MEM_PHYS2,
CFG_PCIE3_MEM_SIZE2,
PCI_REGION_MEM);
hose->region_count++;
#endif
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
}
int last_stage_init(void)
{
return 0;
}
unsigned long
get_board_sys_clk(ulong dummy)
{
u8 i, go_bit, rd_clks;
ulong val = 0;
go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
go_bit &= 0x01;
rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
rd_clks &= 0x1C;
/*
* Only if both go bit and the SCLK bit in VCFGEN0 are set
* should we be using the AUX register. Remember, we also set the
* GO bit to boot from the alternate bank on the on-board flash
*/
if (go_bit) {
if (rd_clks == 0x1c)
i = in8(PIXIS_BASE + PIXIS_AUX);
else
i = in8(PIXIS_BASE + PIXIS_SPD);
} else {
i = in8(PIXIS_BASE + PIXIS_SPD);
}
i &= 0x07;
switch (i) {
case 0:
val = 33333333;
break;
case 1:
val = 40000000;
break;
case 2:
val = 50000000;
break;
case 3:
val = 66666666;
break;
case 4:
val = 83000000;
break;
case 5:
val = 100000000;
break;
case 6:
val = 133333333;
break;
case 7:
val = 166666666;
break;
}
return val;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
int node, tmp[2];
const char *path;
ft_cpu_setup(blob, bd);
node = fdt_path_offset(blob, "/aliases");
tmp[0] = 0;
if (node >= 0) {
#ifdef CONFIG_PCI1
path = fdt_getprop(blob, node, "pci0", NULL);
if (path) {
tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
#ifdef CONFIG_PCIE2
path = fdt_getprop(blob, node, "pci1", NULL);
if (path) {
tmp[1] = pcie2_hose.last_busno - pcie2_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
#ifdef CONFIG_PCIE1
path = fdt_getprop(blob, node, "pci2", NULL);
if (path) {
tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
#ifdef CONFIG_PCIE3
path = fdt_getprop(blob, node, "pci3", NULL);
if (path) {
tmp[1] = pcie3_hose.last_busno - pcie3_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
}
}
#endif