phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
struct cpu_type *cpu;
#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_FSL_BOOT_DDR)
cpu = gd->cpu;
/* //kosta comment
// P1020 and it's derivatives support max 32bit DDR width
if (cpu->soc_ver == SVR_P1020 || cpu->soc_ver == SVR_P1020_E ||
cpu->soc_ver == SVR_P1011 || cpu->soc_ver == SVR_P1011_E)
return (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024) / 2;
else
return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
*///end kosta commetn
//MPC_BOARD 32 bit memory device
return (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024) / 2;
#endif
dram_size = fixed_sdram();
set_ddr_laws(0, dram_size, LAW_TRGT_IF_DDR_1);
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts("DDR: ");
return dram_size;
}
phys_size_t
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_DDR_DLL)
/*
* Work around to stabilize DDR DLL MSYNC_IN.
* Errata DDR9 seems to have been fixed.
* This is now the workaround for Errata DDR11:
* Override DLL = 1, Course Adj = 1, Tap Select = 0
*/
volatile ccsr_gur_t *gur =
(void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
out_be32(&gur->ddrdllcr, 0x81000000);
udelay(200);
#endif
#ifdef CONFIG_SPD_EEPROM
dram_size = fsl_ddr_sdram();
#else
dram_size = fixed_sdram();
#endif
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts(" DDR: ");
return dram_size;
}
phys_size_t
initdram (int board_type)
{
long dram_size = 0;
#if defined(CONFIG_DDR_DLL)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint temp_ddrdll = 0;
/* Work around to stabilize DDR DLL */
temp_ddrdll = gur->ddrdllcr;
gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
asm("sync;isync;msync");
}
#endif
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#if defined(CONFIG_DDR_ECC)
/* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
return dram_size;
}
phys_size_t
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_SPD_EEPROM)
puts("fsl_ddr_sdram\n");
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#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;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
int use_spd = 0;
puts("Initializing....");
#ifdef CONFIG_DDR_SPD
/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
if (hwconfig_sub("fsl_ddr", "sdram")) {
if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "spd"))
use_spd = 1;
else if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "fixed"))
use_spd = 0;
else
use_spd = 1;
} else
use_spd = 1;
#endif
if (use_spd) {
puts("using SPD\n");
dram_size = fsl_ddr_sdram();
} else {
puts("using fixed parameters\n");
dram_size = fixed_sdram();
}
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts(" DDR: ");
return dram_size;
}
phys_size_t initdram (int board_type)
{
long dram_size = 0;
#if defined(CONFIG_SPD_EEPROM)
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
dram_size = sdram_setup(CONFIG_DDR_DEFAULT_CL);
#endif
return dram_size;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
dram_size = fixed_sdram();
set_ddr_laws(0, dram_size, LAW_TRGT_IF_DDR_1);
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts("DDR: ");
return dram_size;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
puts("Initializing....\n");
dram_size = fsl_ddr_sdram();
setup_ddr_tlbs(dram_size / 0x100000);
puts(" DDR: ");
return dram_size;
}
/* Common ddr init for non-corenet fsl 85xx platforms */
#ifndef CONFIG_FSL_CORENET
#if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
!defined(CONFIG_SYS_INIT_L2_ADDR)
phys_size_t initdram(int board_type)
{
#if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD)
return fsl_ddr_sdram_size();
#else
return (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
#endif
}
#else /* CONFIG_SYS_RAMBOOT */
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
#if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
unsigned int x = 10;
unsigned int i;
/*
* Work around to stabilize DDR DLL
*/
out_be32(&gur->ddrdllcr, 0x81000000);
asm("sync;isync;msync");
udelay(200);
while (in_be32(&gur->ddrdllcr) != 0x81000100) {
setbits_be32(&gur->devdisr, 0x00010000);
for (i = 0; i < x; i++)
;
clrbits_be32(&gur->devdisr, 0x00010000);
x++;
}
}
#endif
#if defined(CONFIG_SPD_EEPROM) || \
defined(CONFIG_DDR_SPD) || \
defined(CONFIG_SYS_DDR_RAW_TIMING)
dram_size = fsl_ddr_sdram();
#else
dram_size = fixed_sdram();
#endif
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
#if defined(CONFIG_FSL_LBC)
/* Some boards also have sdram on the lbc */
lbc_sdram_init();
#endif
debug("DDR: ");
return dram_size;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
puts("Initializing with SPD\n");
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
debug(" DDR: ");
return dram_size;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
puts("Initializing....");
#ifdef CONFIG_SPD_EEPROM
dram_size = fsl_ddr_sdram();
#else
dram_size = fixed_sdram();
#endif
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts(" DDR: ");
return dram_size;
}
phys_size_t
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_DDR_DLL)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
uint temp_ddrdll = 0;
/*
* Work around to stabilize DDR DLL
*/
temp_ddrdll = gur->ddrdllcr;
gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
asm("sync;isync;msync");
}
#endif
#ifdef CONFIG_SPD_EEPROM
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
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
/*
* Initialize SDRAM.
*/
sdram_init();
puts(" DDR: ");
return dram_size;
}
phys_size_t
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_DDR_DLL)
{
/*
* Work around to stabilize DDR DLL MSYNC_IN.
* Errata DDR9 seems to have been fixed.
* This is now the workaround for Errata DDR11:
* Override DLL = 1, Course Adj = 1, Tap Select = 0
*/
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
gur->ddrdllcr = 0x81000000;
asm("sync;isync;msync");
udelay(200);
}
#endif
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
/*
* SDRAM Initialization
*/
sdram_init();
puts(" DDR: ");
return dram_size;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
puts("Initializing....");
if (fsl_use_spd()) {
puts("using SPD\n");
dram_size = fsl_ddr_sdram();
} else {
puts("using fixed parameters\n");
dram_size = fixed_sdram();
}
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
debug(" DDR: ");
return dram_size;
}
phys_size_t
initdram(int board_type)
{
long dram_size = 0;
puts("Initializing\n");
#if defined(CONFIG_SPD_EEPROM)
puts("fsl_ddr_sdram\n");
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
puts("fixed_sdram\n");
dram_size = fixed_sdram ();
#endif
puts(" DDR: ");
return dram_size;
}
int dram_init(void)
{
phys_size_t dram_size;
puts("Initializing....");
if (fsl_use_spd()) {
puts("using SPD\n");
dram_size = fsl_ddr_sdram();
} else {
puts("using fixed parameters\n");
dram_size = fixed_sdram();
}
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
debug(" DDR: ");
gd->ram_size = dram_size;
return 0;
}
phys_size_t initdram (int board_type)
{
long dram_size = 0;
#if !defined(CONFIG_RAM_AS_FLASH)
volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
sys_info_t sysinfo;
uint temp_lbcdll = 0;
#endif
#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
#endif
#if defined(CONFIG_DDR_DLL)
uint temp_ddrdll = 0;
/* Work around to stabilize DDR DLL */
temp_ddrdll = gur->ddrdllcr;
gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
asm("sync;isync;msync");
#endif
#if defined(CONFIG_SPD_EEPROM)
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
dram_size = fixed_sdram ();
#endif
#if defined(CONFIG_SYS_RAMBOOT)
return dram_size;
#endif
#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus is not emulating flash */
get_sys_info(&sysinfo);
/* if localbus freq is less than 66MHz,we use bypass mode,otherwise use DLL */
if(sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & LCRR_CLKDIV) < 66000000) {
lbc->lcrr = (CONFIG_SYS_LBC_LCRR & 0x0fffffff)| 0x80000000;
} else {
lbc->lcrr = CONFIG_SYS_LBC_LCRR & 0x7fffffff;
udelay(200);
temp_lbcdll = gur->lbcdllcr;
gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
asm("sync;isync;msync");
}
lbc->or2 = CONFIG_SYS_OR2_PRELIM; /* 64MB SDRAM */
lbc->br2 = CONFIG_SYS_BR2_PRELIM;
lbc->lbcr = CONFIG_SYS_LBC_LBCR;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
asm("sync");
lbc->lsrt = CONFIG_SYS_LBC_LSRT;
asm("sync");
lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
asm("sync");
#endif
#if defined(CONFIG_DDR_ECC)
{
/* Initialize all of memory for ECC, then
* enable errors */
volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size);
/* Enable errors for ECC */
ddr->err_disable = 0x00000000;
asm("sync;isync;msync");
}
#endif
return dram_size;
}
phys_size_t initdram (int board_type)
{
long dram_size = 0;
#if 0
#if !defined(CONFIG_RAM_AS_FLASH)
volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
sys_info_t sysinfo;
uint temp_lbcdll = 0;
#endif
#endif /* 0 */
#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
#endif
#if defined(CONFIG_DDR_DLL)
uint temp_ddrdll = 0;
/* Work around to stabilize DDR DLL */
temp_ddrdll = gur->ddrdllcr;
gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
asm("sync;isync;msync");
#endif
#if defined(CONFIG_SPD_EEPROM)
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
dram_size = fixed_sdram ();
#endif
#if 0
#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus SDRAM is not emulating flash */
get_sys_info(&sysinfo);
/* if localbus freq is less than 66MHz,we use bypass mode,otherwise use DLL */
if(sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f) < 66000000) {
lbc->lcrr = (CONFIG_SYS_LBC_LCRR & 0x0fffffff)| 0x80000000;
} else {
#if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
#endif
lbc->lcrr = CONFIG_SYS_LBC_LCRR & 0x7fffffff;
udelay(200);
temp_lbcdll = gur->lbcdllcr;
gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
asm("sync;isync;msync");
}
lbc->or2 = CONFIG_SYS_OR2_PRELIM; /* 64MB SDRAM */
lbc->br2 = CONFIG_SYS_BR2_PRELIM;
lbc->lbcr = CONFIG_SYS_LBC_LBCR;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
asm("sync");
(unsigned int) * (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
asm("sync");
(unsigned int) * (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
asm("sync");
(unsigned int) * (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
asm("sync");
(unsigned int) * (ulong *)0 = 0x000000ff;
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
asm("sync");
lbc->lsrt = CONFIG_SYS_LBC_LSRT;
asm("sync");
lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
asm("sync");
#endif
#endif
#if defined(CONFIG_DDR_ECC)
{
/* Initialize all of memory for ECC, then
* enable errors */
uint *p = 0;
uint i = 0;
volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
dma_init();
for (*p = 0; p < (uint *)(8 * 1024); p++) {
if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
*p = (unsigned int)0xdeadbeef;
if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
}
/* 8K */
dma_xfer((uint *)0x2000,0x2000,(uint *)0);
/* 16K */
dma_xfer((uint *)0x4000,0x4000,(uint *)0);
/* 32K */
dma_xfer((uint *)0x8000,0x8000,(uint *)0);
/* 64K */
dma_xfer((uint *)0x10000,0x10000,(uint *)0);
/* 128k */
dma_xfer((uint *)0x20000,0x20000,(uint *)0);
/* 256k */
dma_xfer((uint *)0x40000,0x40000,(uint *)0);
/* 512k */
dma_xfer((uint *)0x80000,0x80000,(uint *)0);
/* 1M */
dma_xfer((uint *)0x100000,0x100000,(uint *)0);
/* 2M */
dma_xfer((uint *)0x200000,0x200000,(uint *)0);
/* 4M */
dma_xfer((uint *)0x400000,0x400000,(uint *)0);
for (i = 1; i < dram_size / 0x800000; i++) {
dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
}
/* Enable errors for ECC */
ddr->err_disable = 0x00000000;
asm("sync;isync;msync");
}
#endif
return dram_size;
}
