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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* dram_para1 bits:
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* 16-19 = page size
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* 20-27 = row count
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* 28 = banks 4 or 8
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*
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* dram_para2 bits:
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* 0 = DQ width
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* 4 = CS1 control
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* 8-11 = rank flags? bit 8 = ranks differ in config
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* 12-13 = rank
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*/
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/* MC_WORK_MODE bits
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* 0- 1 = ranks code
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* 2- 3 = banks, log2 - 2 2 3 2
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* 4- 7 = row width, log2 - 1 16 11 11
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* 8-11 = page size, log2 - 3 9 9 13
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* 12-15 = DQ width (or 12-14?)
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* 16-18 = dram type (2=DDR2, 3=DDR3, 6=LPDDR2, 7=LPDDR3)
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* 19 = 2T or 1T
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* 23-24 = ranks code (again?)
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*/
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#define DRAM_MR0 ((void*)0x3103030)
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#define DRAM_MR1 ((void*)0x3103034)
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#define DRAM_MR2 ((void*)0x3103038)
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#define DRAM_MR3 ((void*)0x310303c)
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#define DRAMTMG0 ((void*)0x3103058)
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#define DRAMTMG1 ((void*)0x310305c)
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#define DRAMTMG2 ((void*)0x3103060)
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#define DRAMTMG3 ((void*)0x3103064)
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#define DRAMTMG4 ((void*)0x3103068)
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#define DRAMTMG5 ((void*)0x310306c)
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#define DRAMTMG6 ((void*)0x3103070)
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#define DRAMTMG7 ((void*)0x3103074)
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#define DRAMTMG8 ((void*)0x3103078)
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#define PITMG0 ((void*)0x3103080)
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#define PTR3 ((void*)0x3103050)
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#define PTR4 ((void*)0x3103054)
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#define RFSHTMG ((void*)0x3103090)
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#define RFSHCTL1 ((void*)0x3103094)
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