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https://github.com/AsahiLinux/u-boot
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513e396b4f
Measurements during HW basic test showed, that the SDRAM timing has to be optimized. This patch adapted these timings accordingly. Signed-off-by: Marco Schmid <marco.schmid@keymile.com> Signed-off-by: Holger Brunck <holger.brunck@keymile.com> cc: Valentin Longchamp <valentin.longchamp@keymile.com> Acked-by: Heiko Schocher <hs@denx.de> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* Copyright (C) 2006 Freescale Semiconductor, Inc.
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* Dave Liu <daveliu@freescale.com>
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*
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* Copyright (C) 2007 Logic Product Development, Inc.
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* Peter Barada <peterb@logicpd.com>
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*
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* Copyright (C) 2007 MontaVista Software, Inc.
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* Anton Vorontsov <avorontsov@ru.mvista.com>
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*
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* (C) Copyright 2008
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* (C) Copyright 2010
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* Lukas Roggli, KEYMILE Ltd, lukas.roggli@keymile.com
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*
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* (C) Copyright 2010-2011
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* Thomas Reufer, KEYMILE Ltd, thomas.reufer@keymile.com
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#ifndef __CONFIG_KM8321_COMMON_H
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#define __CONFIG_KM8321_COMMON_H
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/*
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* High Level Configuration Options
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*/
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#define CONFIG_QE /* Has QE */
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#define CONFIG_MPC832x /* MPC832x CPU specific */
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#define CONFIG_KM8321 /* Keymile PBEC8321 board specific */
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#define CONFIG_KM_DEF_ARCH "arch=ppc_8xx\0"
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/* include common defines/options for all 83xx Keymile boards */
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#include "km83xx-common.h"
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#define CONFIG_MISC_INIT_R
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/*
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* System IO Config
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*/
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#define CONFIG_SYS_SICRL SICRL_IRQ_CKS
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/*
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* Hardware Reset Configuration Word
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*/
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#define CONFIG_SYS_HRCW_LOW (\
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HRCWL_LCL_BUS_TO_SCB_CLK_1X1 | \
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HRCWL_DDR_TO_SCB_CLK_2X1 | \
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HRCWL_CSB_TO_CLKIN_2X1 | \
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HRCWL_CORE_TO_CSB_2_5X1 | \
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HRCWL_CE_PLL_VCO_DIV_2 | \
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HRCWL_CE_TO_PLL_1X3)
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#define CONFIG_SYS_HRCW_HIGH (\
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HRCWH_PCI_AGENT | \
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HRCWH_PCI_ARBITER_DISABLE | \
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HRCWH_CORE_ENABLE | \
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HRCWH_FROM_0X00000100 | \
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HRCWH_BOOTSEQ_DISABLE | \
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HRCWH_SW_WATCHDOG_DISABLE | \
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HRCWH_ROM_LOC_LOCAL_16BIT | \
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HRCWH_BIG_ENDIAN | \
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HRCWH_LALE_NORMAL)
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#define CONFIG_SYS_DDR_CS0_BNDS 0x0000007f
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#define CONFIG_SYS_DDR_SDRAM_CFG (SDRAM_CFG_SDRAM_TYPE_DDR2 | \
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SDRAM_CFG_32_BE | \
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SDRAM_CFG_SREN | \
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SDRAM_CFG_HSE)
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#define CONFIG_SYS_DDR_SDRAM_CFG2 0x00401000
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#define CONFIG_SYS_DDR_CLK_CNTL (DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05)
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#define CONFIG_SYS_DDR_INTERVAL ((0x064 << SDRAM_INTERVAL_BSTOPRE_SHIFT) | \
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(0x200 << SDRAM_INTERVAL_REFINT_SHIFT))
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#define CONFIG_SYS_DDR_CS0_CONFIG (CSCONFIG_EN | CSCONFIG_AP | \
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CSCONFIG_ODT_WR_CFG | \
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CSCONFIG_ROW_BIT_13 | \
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CSCONFIG_COL_BIT_10)
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#define CONFIG_SYS_DDR_MODE 0x47860242
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#define CONFIG_SYS_DDR_MODE2 0x8080c000
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#define CONFIG_SYS_DDR_TIMING_0 ((2 << TIMING_CFG0_MRS_CYC_SHIFT) | \
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(8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT) | \
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(2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT) | \
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(2 << TIMING_CFG0_ACT_PD_EXIT_SHIFT) | \
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(0 << TIMING_CFG0_WWT_SHIFT) | \
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(0 << TIMING_CFG0_RRT_SHIFT) | \
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(0 << TIMING_CFG0_WRT_SHIFT) | \
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(0 << TIMING_CFG0_RWT_SHIFT))
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#define CONFIG_SYS_DDR_TIMING_1 ((TIMING_CFG1_CASLAT_40) | \
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(2 << TIMING_CFG1_WRTORD_SHIFT) | \
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(2 << TIMING_CFG1_ACTTOACT_SHIFT) | \
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(3 << TIMING_CFG1_WRREC_SHIFT) | \
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(7 << TIMING_CFG1_REFREC_SHIFT) | \
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(3 << TIMING_CFG1_ACTTORW_SHIFT) | \
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(7 << TIMING_CFG1_ACTTOPRE_SHIFT) | \
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(3 << TIMING_CFG1_PRETOACT_SHIFT))
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#define CONFIG_SYS_DDR_TIMING_2 ((8 << TIMING_CFG2_FOUR_ACT_SHIFT) | \
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(3 << TIMING_CFG2_CKE_PLS_SHIFT) | \
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(2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT) | \
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(2 << TIMING_CFG2_RD_TO_PRE_SHIFT) | \
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(3 << TIMING_CFG2_WR_LAT_DELAY_SHIFT) | \
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(0 << TIMING_CFG2_ADD_LAT_SHIFT) | \
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(5 << TIMING_CFG2_CPO_SHIFT))
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#define CONFIG_SYS_DDR_TIMING_3 0x00000000
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#define CONFIG_SYS_KMBEC_FPGA_BASE 0xE8000000
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#define CONFIG_SYS_KMBEC_FPGA_SIZE 128
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/* EEprom support */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
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/*
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* Local Bus Configuration & Clock Setup
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*/
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#define CONFIG_SYS_LCRR_DBYP 0x80000000
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#define CONFIG_SYS_LCRR_EADC 0x00010000
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#define CONFIG_SYS_LCRR_CLKDIV 0x00000002
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#define CONFIG_SYS_LBC_LBCR 0x00000000
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/*
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* MMU Setup
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*/
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#define CONFIG_SYS_IBAT7L (0)
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#define CONFIG_SYS_IBAT7U (0)
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#define CONFIG_SYS_DBAT7L CONFIG_SYS_IBAT7L
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#define CONFIG_SYS_DBAT7U CONFIG_SYS_IBAT7U
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#endif /* __CONFIG_KM8321_COMMON_H */
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