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	T4240RDB board Specification ---------------------------- Memory subsystem: 6GB DDR3 128MB NOR flash 2GB NAND flash Ethernet: Eight 1G SGMII ports Four 10Gbps SFP+ ports PCIe: Two PCIe slots USB: Two USB2.0 Type A ports SDHC: One SD-card port SATA: One SATA port UART: Dual RJ45 ports Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> [York Sun: fix CONFIG_SYS_QE_FMAN_FW_ADDR in T4240RDB.h]
		
			
				
	
	
		
			79 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2014 Freescale Semiconductor, Inc.
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 *
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 * SPDX-License-Identifier:	GPL-2.0+
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 */
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#ifndef __DDR_H__
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#define __DDR_H__
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struct board_specific_parameters {
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	u32 n_ranks;
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	u32 datarate_mhz_high;
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	u32 rank_gb;
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	u32 clk_adjust;
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	u32 wrlvl_start;
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	u32 wrlvl_ctl_2;
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	u32 wrlvl_ctl_3;
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};
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/*
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 * These tables contain all valid speeds we want to override with board
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 * specific parameters. datarate_mhz_high values need to be in ascending order
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 * for each n_ranks group.
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 */
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static const struct board_specific_parameters udimm0[] = {
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	/*
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	 * memory controller 0
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	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
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	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
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	 */
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	{2,  1350, 4, 4,     8, 0x0809090b, 0x0c0c0d0a},
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	{2,  1350, 0, 5,     7, 0x0709090b, 0x0c0c0d09},
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	{2,  1666, 4, 4,     8, 0x080a0a0d, 0x0d10100b},
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	{2,  1666, 0, 5,     7, 0x080a0a0c, 0x0d0d0e0a},
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	{2,  1900, 0, 4,     8, 0x090a0b0e, 0x0f11120c},
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	{2,  2140, 0, 4,     8, 0x090a0b0e, 0x0f11120c},
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	{1,  1350, 0, 5,     8, 0x0809090b, 0x0c0c0d0a},
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	{1,  1700, 0, 5,     8, 0x080a0a0c, 0x0c0d0e0a},
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	{1,  1900, 0, 4,     8, 0x080a0a0c, 0x0e0e0f0a},
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	{1,  2140, 0, 4,     8, 0x090a0b0c, 0x0e0f100b},
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	{}
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};
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static const struct board_specific_parameters rdimm0[] = {
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	/*
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	 * memory controller 0
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	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
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	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
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	 */
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	{4,  1350, 0, 5,     9, 0x08070605, 0x06070806},
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	{4,  1666, 0, 5,    11, 0x0a080706, 0x07090906},
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	{4,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07},
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	{2,  1350, 0, 5,     9, 0x08070605, 0x06070806},
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	{2,  1666, 0, 5,    11, 0x0a090806, 0x08090a06},
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	{2,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07},
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	{1,  1350, 0, 5,     9, 0x08070605, 0x06070806},
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	{1,  1666, 0, 5,    11, 0x0a090806, 0x08090a06},
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	{1,  2140, 0, 4,    12, 0x0b090807, 0x080a0b07},
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	{}
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};
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/*
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 * The three slots have slightly different timing. The center values are good
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 * for all slots. We use identical speed tables for them. In future use, if
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 * DIMMs require separated tables, make more entries as needed.
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 */
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static const struct board_specific_parameters *udimms[] = {
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	udimm0,
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};
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/*
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 * The three slots have slightly different timing. See comments above.
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 */
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static const struct board_specific_parameters *rdimms[] = {
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	rdimm0,
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};
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#endif
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