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/*
* Copyright 2007
* Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
*
* 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>
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
long int fixed_sdram(void);
int board_early_init_f (void)
{
return 0;
}
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: ATUM8548\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;
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
long int fixed_sdram (void)
{
volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
ddr->cs0_config = CFG_DDR_CS0_CONFIG;
ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
ddr->sdram_mode = CFG_DDR_MODE;
ddr->sdram_interval = CFG_DDR_INTERVAL;
#if defined (CONFIG_DDR_ECC)
ddr->err_disable = 0x0000000D;
ddr->err_sbe = 0x00ff0000;
#endif
asm("sync;isync;msync");
udelay(500);
#if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */
ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
#else
ddr->sdram_cfg = CFG_DDR_CONTROL;
#endif
asm("sync; isync; msync");
udelay(500);
return CFG_SDRAM_SIZE * 1024 * 1024;
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
long int
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_SPD_EEPROM)
puts("spd_sdram\n");
dram_size = spd_sdram ();
#else
puts("fixed_sdram\n");
dram_size = fixed_sdram ();
#endif
#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;
}
#if defined(CFG_DRAM_TEST)
int
testdram(void)
{
uint *pstart = (uint *) CFG_MEMTEST_START;
uint *pend = (uint *) CFG_MEMTEST_END;
uint *p;
printf("Testing DRAM from 0x%08x to 0x%08x\n",
CFG_MEMTEST_START,
CFG_MEMTEST_END);
printf("DRAM test phase 1:\n");
for (p = pstart; p < pend; p++) {
printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p);
*p = 0xaaaaaaaa;
}
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf ("DRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("DRAM test phase 2:\n");
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf ("DRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("DRAM test passed.\n");
return 0;
}
#endif
#ifdef CONFIG_PCI1
static struct pci_controller pci1_hose;
#endif
#ifdef CONFIG_PCI2
static struct pci_controller pci2_hose;
#endif
#ifdef CONFIG_PCIE1
static struct pci_controller pcie1_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);
/* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */
gur->clkocr |= MPC85xx_ATUM_CLKOCR;
if (io_sel & 1) {
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
printf (" eTSEC1 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
printf (" eTSEC2 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
printf (" eTSEC3 is in sgmii mode.\n");
if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
printf (" eTSEC4 is in sgmii mode.\n");
}
#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 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;
#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_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 = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */
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] */
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
printf ("\n PCI1: %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;
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 ("PCI1 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCI1: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#ifdef CONFIG_PCI2
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci2_hose;
if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
pci_set_region(hose->regions + 1,
CFG_PCI2_MEM_BASE,
CFG_PCI2_MEM_PHYS,
CFG_PCI2_MEM_SIZE,
PCI_REGION_MEM);
pci_set_region(hose->regions + 2,
CFG_PCI2_IO_BASE,
CFG_PCI2_IO_PHYS,
CFG_PCI2_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 ("PCI2 on bus %02x - %02x\n",
hose->first_busno,hose->last_busno);
} else {
printf (" PCI2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI2;
#endif
}
int last_stage_init(void)
{
int ic = icache_status ();
printf ("icache_status: %d\n", ic);
return 0;
}
#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_PCI2
path = fdt_getprop(blob, node, "pci1", NULL);
if (path) {
tmp[1] = pci2_hose.last_busno - pci2_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
}
}
#endif