Commit 8e55313b authored by Kumar Gala's avatar Kumar Gala
Browse files

FSL DDR: Convert SBC8560 to new DDR code.


Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 9658bec2
......@@ -28,10 +28,13 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o law.o tlb.o
COBJS-y += $(BOARD).o
COBJS-y += law.o
COBJS-y += tlb.o
COBJS-$(CONFIG_FSL_DDR1) += ddr.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
......
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 as published by the Free Software Foundation.
*/
#include <common.h>
#include <i2c.h>
#include <asm/fsl_ddr_sdram.h>
static void
get_spd(ddr1_spd_eeprom_t *spd, unsigned char i2c_address)
{
i2c_read(i2c_address, 0, 1, (uchar *)spd, sizeof(ddr1_spd_eeprom_t));
}
unsigned int
fsl_ddr_get_mem_data_rate(void)
{
return get_ddr_freq(0);
}
void
fsl_ddr_get_spd(ddr1_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num)
{
unsigned int i;
unsigned int i2c_address = 0;
for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) {
if (ctrl_num == 0 && i == 0) {
i2c_address = SPD_EEPROM_ADDRESS;
}
get_spd(&(ctrl_dimms_spd[i]), i2c_address);
}
}
void fsl_ddr_board_options(memctl_options_t *popts, unsigned int ctrl_num)
{
/*
* Factors to consider for CPO:
* - frequency
* - ddr1 vs. ddr2
*/
popts->cpo_override = 0;
/*
* Factors to consider for write data delay:
* - number of DIMMs
*
* 1 = 1/4 clock delay
* 2 = 1/2 clock delay
* 3 = 3/4 clock delay
* 4 = 1 clock delay
* 5 = 5/4 clock delay
* 6 = 3/2 clock delay
*/
popts->write_data_delay = 3;
/*
* Factors to consider for half-strength driver enable:
* - number of DIMMs installed
*/
popts->half_strength_driver_enable = 0;
}
......@@ -29,7 +29,9 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_ddr_sdram.h>
#include <ioports.h>
#include <spd_sdram.h>
#include <miiphy.h>
......@@ -283,7 +285,9 @@ phys_size_t initdram (int board_type)
#endif
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#else
dram_size = fixed_sdram ();
#endif
......
......@@ -74,7 +74,6 @@ SECTIONS
cpu/mpc85xx/cpu_init.o (.text)
cpu/mpc85xx/cpu.o (.text)
cpu/mpc85xx/speed.o (.text)
cpu/mpc85xx/spd_sdram.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
......
......@@ -103,18 +103,34 @@
#define CFG_CCSRBAR_PHYS CFG_CCSRBAR /* physical addr of CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
#define CFG_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory */
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define CFG_SDRAM_SIZE 512 /* DDR is 512MB */
#define SPD_EEPROM_ADDRESS 0x55 /* DDR DIMM */
/* DDR Setup */
#define CONFIG_FSL_DDR1
#undef CONFIG_FSL_DDR_INTERACTIVE
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#undef CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup */
#undef CONFIG_DDR_SPD
#if defined(CONFIG_MPC85xx_REV1)
#define CONFIG_DDR_DLL /* possible DLL fix needed */
#endif
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#undef CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE 0xDeadBeef
#define CFG_DDR_SDRAM_BASE 0x00000000
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define CONFIG_VERY_BIG_RAM
#define CONFIG_NUM_DDR_CONTROLLERS 1
#define CONFIG_DIMM_SLOTS_PER_CTLR 1
#define CONFIG_CHIP_SELECTS_PER_CTRL 2
/* I2C addresses of SPD EEPROMs */
#define SPD_EEPROM_ADDRESS 0x55 /* CTLR 0 DIMM 0 */
#undef CONFIG_CLOCKS_IN_MHZ
#if defined(CONFIG_RAM_AS_FLASH)
......
......@@ -97,18 +97,34 @@
#define CFG_CCSRBAR_PHYS CFG_CCSRBAR /* physical addr of CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
#define CFG_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory */
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define CFG_SDRAM_SIZE 512 /* DDR is 512MB */
#define SPD_EEPROM_ADDRESS 0x55 /* DDR DIMM */
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#undef CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup */
/* DDR Setup */
#define CONFIG_FSL_DDR1
#undef CONFIG_FSL_DDR_INTERACTIVE
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#undef CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup */
#undef CONFIG_DDR_SPD
#if defined(CONFIG_MPC85xx_REV1)
#define CONFIG_DDR_DLL /* possible DLL fix needed */
#define CONFIG_DDR_DLL /* possible DLL fix needed */
#endif
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#undef CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE 0xDeadBeef
#define CFG_DDR_SDRAM_BASE 0x00000000
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define CONFIG_VERY_BIG_RAM
#define CONFIG_NUM_DDR_CONTROLLERS 1
#define CONFIG_DIMM_SLOTS_PER_CTLR 1
#define CONFIG_CHIP_SELECTS_PER_CTRL 2
/* I2C addresses of SPD EEPROMs */
#define SPD_EEPROM_ADDRESS 0x55 /* CTLR 0 DIMM 0 */
#undef CONFIG_CLOCKS_IN_MHZ
#if defined(CONFIG_RAM_AS_FLASH)
......
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