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![Ryder Lee](/assets/img/avatar_default.png)
This patch adds a DDR3 driver for MT7629 SoC. Signed-off-by: Wu Zou <wu.zou@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Reviewed-by: Simon Glass <sjg@chromium.org>
767 lines
28 KiB
C
767 lines
28 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* MediaTek DDR3 driver for MT7629 SoC
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*
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* Copyright (C) 2018 MediaTek Inc.
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* Author: Wu Zou <wu.zou@mediatek.com>
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* Ryder Lee <ryder.lee@mediatek.com>
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*/
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#include <clk.h>
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#include <common.h>
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#include <dm.h>
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#include <ram.h>
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#include <asm/io.h>
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/* EMI */
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#define EMI_CONA 0x000
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#define EMI_CONF 0x028
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#define EMI_CONM 0x060
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/* DDR PHY */
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#define DDRPHY_PLL1 0x0000
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#define DDRPHY_PLL2 0x0004
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#define DDRPHY_PLL3 0x0008
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#define DDRPHY_PLL4 0x000c
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#define DDRPHY_PLL5 0x0010
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#define DDRPHY_PLL7 0x0018
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#define DDRPHY_B0_DLL_ARPI0 0x0080
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#define DDRPHY_B0_DLL_ARPI1 0x0084
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#define DDRPHY_B0_DLL_ARPI2 0x0088
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#define DDRPHY_B0_DLL_ARPI3 0x008c
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#define DDRPHY_B0_DLL_ARPI4 0x0090
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#define DDRPHY_B0_DLL_ARPI5 0x0094
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#define DDRPHY_B0_DQ2 0x00a0
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#define DDRPHY_B0_DQ3 0x00a4
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#define DDRPHY_B0_DQ4 0x00a8
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#define DDRPHY_B0_DQ5 0x00ac
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#define DDRPHY_B0_DQ6 0x00b0
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#define DDRPHY_B0_DQ7 0x00b4
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#define DDRPHY_B0_DQ8 0x00b8
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#define DDRPHY_B1_DLL_ARPI0 0x0100
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#define DDRPHY_B1_DLL_ARPI1 0x0104
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#define DDRPHY_B1_DLL_ARPI2 0x0108
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#define DDRPHY_B1_DLL_ARPI3 0x010c
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#define DDRPHY_B1_DLL_ARPI4 0x0110
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#define DDRPHY_B1_DLL_ARPI5 0x0114
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#define DDRPHY_B1_DQ2 0x0120
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#define DDRPHY_B1_DQ3 0x0124
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#define DDRPHY_B1_DQ4 0x0128
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#define DDRPHY_B1_DQ5 0x012c
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#define DDRPHY_B1_DQ6 0x0130
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#define DDRPHY_B1_DQ7 0x0134
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#define DDRPHY_B1_DQ8 0x0138
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#define DDRPHY_CA_DLL_ARPI0 0x0180
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#define DDRPHY_CA_DLL_ARPI1 0x0184
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#define DDRPHY_CA_DLL_ARPI2 0x0188
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#define DDRPHY_CA_DLL_ARPI3 0x018c
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#define DDRPHY_CA_DLL_ARPI4 0x0190
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#define DDRPHY_CA_DLL_ARPI5 0x0194
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#define DDRPHY_CA_CMD2 0x01a0
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#define DDRPHY_CA_CMD3 0x01a4
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#define DDRPHY_CA_CMD5 0x01ac
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#define DDRPHY_CA_CMD6 0x01b0
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#define DDRPHY_CA_CMD7 0x01b4
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#define DDRPHY_CA_CMD8 0x01b8
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#define DDRPHY_MISC_VREF_CTRL 0x0264
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#define DDRPHY_MISC_IMP_CTRL0 0x0268
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#define DDRPHY_MISC_IMP_CTRL1 0x026c
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#define DDRPHY_MISC_SHU_OPT 0x0270
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#define DDRPHY_MISC_SPM_CTRL0 0x0274
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#define DDRPHY_MISC_SPM_CTRL1 0x0278
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#define DDRPHY_MISC_SPM_CTRL2 0x027c
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#define DDRPHY_MISC_CG_CTRL0 0x0284
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#define DDRPHY_MISC_CG_CTRL1 0x0288
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#define DDRPHY_MISC_CG_CTRL2 0x028c
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#define DDRPHY_MISC_CG_CTRL4 0x0294
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#define DDRPHY_MISC_CTRL0 0x029c
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#define DDRPHY_MISC_CTRL1 0x02a0
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#define DDRPHY_MISC_CTRL3 0x02a8
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#define DDRPHY_MISC_RXDVS1 0x05e4
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#define DDRPHY_SHU1_B0_DQ4 0x0c10
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#define DDRPHY_SHU1_B0_DQ5 0x0c14
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#define DDRPHY_SHU1_B0_DQ6 0x0c18
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#define DDRPHY_SHU1_B0_DQ7 0x0c1c
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#define DDRPHY_SHU1_B1_DQ4 0x0c90
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#define DDRPHY_SHU1_B1_DQ5 0x0c94
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#define DDRPHY_SHU1_B1_DQ6 0x0c98
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#define DDRPHY_SHU1_B1_DQ7 0x0c9c
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#define DDRPHY_SHU1_CA_CMD2 0x0d08
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#define DDRPHY_SHU1_CA_CMD4 0x0d10
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#define DDRPHY_SHU1_CA_CMD5 0x0d14
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#define DDRPHY_SHU1_CA_CMD6 0x0d18
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#define DDRPHY_SHU1_CA_CMD7 0x0d1c
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#define DDRPHY_SHU1_PLL0 0x0d80
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#define DDRPHY_SHU1_PLL1 0x0d84
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#define DDRPHY_SHU1_PLL4 0x0d90
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#define DDRPHY_SHU1_PLL5 0x0d94
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#define DDRPHY_SHU1_PLL6 0x0d98
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#define DDRPHY_SHU1_PLL7 0x0d9C
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#define DDRPHY_SHU1_PLL8 0x0da0
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#define DDRPHY_SHU1_PLL9 0x0da4
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#define DDRPHY_SHU1_PLL10 0x0da8
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#define DDRPHY_SHU1_PLL11 0x0dac
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#define DDRPHY_SHU1_R0_B0_DQ2 0x0e08
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#define DDRPHY_SHU1_R0_B0_DQ3 0x0e0c
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#define DDRPHY_SHU1_R0_B0_DQ4 0x0e10
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#define DDRPHY_SHU1_R0_B0_DQ5 0x0e14
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#define DDRPHY_SHU1_R0_B0_DQ6 0x0e18
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#define DDRPHY_SHU1_R0_B0_DQ7 0x0e1c
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#define DDRPHY_SHU1_R0_B1_DQ2 0x0e58
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#define DDRPHY_SHU1_R0_B1_DQ3 0x0e5c
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#define DDRPHY_SHU1_R0_B1_DQ4 0x0e60
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#define DDRPHY_SHU1_R0_B1_DQ5 0x0e64
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#define DDRPHY_SHU1_R0_B1_DQ6 0x0e68
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#define DDRPHY_SHU1_R0_B1_DQ7 0x0e6c
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#define DDRPHY_SHU1_R0_CA_CMD9 0x0ec4
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#define DDRPHY_SHU1_R1_B0_DQ2 0x0f08
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#define DDRPHY_SHU1_R1_B0_DQ3 0x0f0c
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#define DDRPHY_SHU1_R1_B0_DQ4 0x0f10
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#define DDRPHY_SHU1_R1_B0_DQ5 0x0f14
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#define DDRPHY_SHU1_R1_B0_DQ6 0x0f18
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#define DDRPHY_SHU1_R1_B0_DQ7 0x0f1c
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#define DDRPHY_SHU1_R1_B1_DQ2 0x0f58
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#define DDRPHY_SHU1_R1_B1_DQ3 0x0f5c
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#define DDRPHY_SHU1_R1_B1_DQ4 0x0f60
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#define DDRPHY_SHU1_R1_B1_DQ5 0x0f64
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#define DDRPHY_SHU1_R1_B1_DQ6 0x0f68
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#define DDRPHY_SHU1_R1_B1_DQ7 0x0f6c
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#define DDRPHY_SHU1_R1_CA_CMD9 0x0fc4
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/* DRAMC */
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#define DRAMC_DDRCONF0 0x0000
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#define DRAMC_DRAMCTRL 0x0004
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#define DRAMC_MISCTL0 0x0008
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#define DRAMC_PERFCTL0 0x000c
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#define DRAMC_ARBCTL 0x0010
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#define DRAMC_RSTMASK 0x001c
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#define DRAMC_PADCTRL 0x0020
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#define DRAMC_CKECTRL 0x0024
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#define DRAMC_RKCFG 0x0034
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#define DRAMC_DRAMC_PD_CTRL 0x0038
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#define DRAMC_CLKAR 0x003c
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#define DRAMC_CLKCTRL 0x0040
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#define DRAMC_SREFCTRL 0x0048
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#define DRAMC_REFCTRL0 0x004c
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#define DRAMC_REFCTRL1 0x0050
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#define DRAMC_REFRATRE_FILTER 0x0054
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#define DRAMC_ZQCS 0x0058
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#define DRAMC_MRS 0x005c
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#define DRAMC_SPCMD 0x0060
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#define DRAMC_SPCMDCTRL 0x0064
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#define DRAMC_HW_MRR_FUN 0x0074
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#define DRAMC_TEST2_1 0x0094
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#define DRAMC_TEST2_2 0x0098
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#define DRAMC_TEST2_3 0x009c
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#define DRAMC_TEST2_4 0x00a0
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#define DRAMC_CATRAINING1 0x00b0
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#define DRAMC_DUMMY_RD 0x00d0
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#define DRAMC_SHUCTRL 0x00d4
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#define DRAMC_SHUCTRL2 0x00dc
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#define DRAMC_STBCAL 0x0200
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#define DRAMC_STBCAL1 0x0204
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#define DRAMC_EYESCAN 0x020c
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#define DRAMC_DVFSDLL 0x0210
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#define DRAMC_SHU_ACTIM0 0x0800
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#define DRAMC_SHU_ACTIM1 0x0804
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#define DRAMC_SHU_ACTIM2 0x0808
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#define DRAMC_SHU_ACTIM3 0x080c
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#define DRAMC_SHU_ACTIM4 0x0810
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#define DRAMC_SHU_ACTIM5 0x0814
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#define DRAMC_SHU_ACTIM_XRT 0x081c
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#define DRAMC_SHU_AC_TIME_05T 0x0820
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#define DRAMC_SHU_CONF0 0x0840
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#define DRAMC_SHU_CONF1 0x0844
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#define DRAMC_SHU_CONF2 0x0848
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#define DRAMC_SHU_CONF3 0x084c
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#define DRAMC_SHU_RANKCTL 0x0858
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#define DRAMC_SHU_CKECTRL 0x085c
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#define DRAMC_SHU_ODTCTRL 0x0860
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#define DRAMC_SHU_PIPE 0x0878
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#define DRAMC_SHU_SELPH_CA1 0x0880
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#define DRAMC_SHU_SELPH_CA2 0x0884
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#define DRAMC_SHU_SELPH_CA3 0x0888
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#define DRAMC_SHU_SELPH_CA4 0x088c
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#define DRAMC_SHU_SELPH_CA5 0x0890
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#define DRAMC_SHU_SELPH_CA6 0x0894
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#define DRAMC_SHU_SELPH_CA7 0x0898
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#define DRAMC_SHU_SELPH_CA8 0x089c
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#define DRAMC_SHU_SELPH_DQS0 0x08a0
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#define DRAMC_SHU_SELPH_DQS1 0x08a4
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#define DRAMC_SHU1_DRVING1 0x08a8
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#define DRAMC_SHU1_DRVING2 0x08ac
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#define DRAMC_SHU1_WODT 0x08c0
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#define DRAMC_SHU_SCINTV 0x08c8
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#define DRAMC_SHURK0_DQSCTL 0x0a00
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#define DRAMC_SHURK0_DQSIEN 0x0a04
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#define DRAMC_SHURK0_SELPH_ODTEN0 0x0a1c
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#define DRAMC_SHURK0_SELPH_ODTEN1 0x0a20
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#define DRAMC_SHURK0_SELPH_DQSG0 0x0a24
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#define DRAMC_SHURK0_SELPH_DQSG1 0x0a28
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#define DRAMC_SHURK0_SELPH_DQ0 0x0a2c
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#define DRAMC_SHURK0_SELPH_DQ1 0x0a30
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#define DRAMC_SHURK0_SELPH_DQ2 0x0a34
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#define DRAMC_SHURK0_SELPH_DQ3 0x0a38
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#define DRAMC_SHURK1_DQSCTL 0x0b00
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#define DRAMC_SHURK1_SELPH_ODTEN0 0x0b1c
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#define DRAMC_SHURK1_SELPH_ODTEN1 0x0b20
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#define DRAMC_SHURK1_SELPH_DQSG0 0x0b24
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#define DRAMC_SHURK1_SELPH_DQSG1 0x0b28
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#define DRAMC_SHURK1_SELPH_DQ0 0x0b2c
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#define DRAMC_SHURK1_SELPH_DQ1 0x0b30
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#define DRAMC_SHURK1_SELPH_DQ2 0x0b34
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#define DRAMC_SHURK1_SELPH_DQ3 0x0b38
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#define DRAMC_SHURK2_SELPH_ODTEN0 0x0c1c
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#define DRAMC_SHURK2_SELPH_ODTEN1 0x0c20
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#define DRAMC_SHU_DQSG_RETRY 0x0c54
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#define EMI_COL_ADDR_MASK GENMASK(13, 12)
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#define EMI_COL_ADDR_SHIFT 12
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#define WALKING_PATTERN 0x12345678
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#define WALKING_STEP 0x4000000
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struct mtk_ddr3_priv {
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fdt_addr_t emi;
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fdt_addr_t ddrphy;
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fdt_addr_t dramc_ao;
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struct clk phy;
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struct clk phy_mux;
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struct clk mem;
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struct clk mem_mux;
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};
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#ifdef CONFIG_SPL_BUILD
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static int mtk_ddr3_rank_size_detect(struct udevice *dev)
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{
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struct mtk_ddr3_priv *priv = dev_get_priv(dev);
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int step;
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u32 start, test;
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/* To detect size, we have to make sure it's single rank
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* and it has maximum addressing region
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*/
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writel(WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE);
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if (readl(CONFIG_SYS_SDRAM_BASE) != WALKING_PATTERN)
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return -EINVAL;
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for (step = 0; step < 5; step++) {
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writel(~WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE +
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(WALKING_STEP << step));
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start = readl(CONFIG_SYS_SDRAM_BASE);
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test = readl(CONFIG_SYS_SDRAM_BASE + (WALKING_STEP << step));
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if ((test != ~WALKING_PATTERN) || test == start)
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break;
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}
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step = step ? step - 1 : 3;
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clrsetbits_le32(priv->emi + EMI_CONA, EMI_COL_ADDR_MASK,
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step << EMI_COL_ADDR_SHIFT);
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return 0;
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}
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static int mtk_ddr3_init(struct udevice *dev)
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{
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struct mtk_ddr3_priv *priv = dev_get_priv(dev);
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int ret;
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ret = clk_set_parent(&priv->phy, &priv->phy_mux);
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if (ret)
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return ret;
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/* EMI Setting */
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writel(0x00003010, priv->emi + EMI_CONA);
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writel(0x00000000, priv->emi + EMI_CONF);
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writel(0x000006b8, priv->emi + EMI_CONM);
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/* DQS */
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writel(0x20c00, priv->dramc_ao + DRAMC_SHU1_DRVING1);
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/* Clock */
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writel(0x8320c83, priv->dramc_ao + DRAMC_SHU1_DRVING2);
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/* DDRPHY setting */
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writel(0x2201, priv->dramc_ao + DRAMC_DRAMCTRL);
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writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
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writel(0xe08, priv->ddrphy + DDRPHY_CA_CMD5);
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writel(0x60e, priv->ddrphy + DDRPHY_SHU1_CA_CMD5);
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writel(0x0, priv->ddrphy + DDRPHY_MISC_SPM_CTRL1);
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writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL0);
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writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL2);
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writel(0x6003bf, priv->ddrphy + DDRPHY_MISC_CG_CTRL2);
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writel(0x13300000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
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writel(0x1, priv->ddrphy + DDRPHY_SHU1_CA_CMD7);
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writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
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writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
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writel(0xfff0, priv->ddrphy + DDRPHY_CA_CMD2);
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writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
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writel(0x0, priv->ddrphy + DDRPHY_B1_DQ2);
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writel(0x7, priv->ddrphy + DDRPHY_MISC_RXDVS1);
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writel(0x10, priv->ddrphy + DDRPHY_PLL3);
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writel(0x8e8e0000, priv->ddrphy + DDRPHY_MISC_VREF_CTRL);
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writel(0x2e0040, priv->ddrphy + DDRPHY_MISC_IMP_CTRL0);
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writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
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writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
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udelay(1);
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writel(0x10, priv->ddrphy + DDRPHY_B0_DQ3);
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writel(0x10, priv->ddrphy + DDRPHY_B1_DQ3);
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writel(0x3f600, priv->ddrphy + DDRPHY_MISC_CG_CTRL1);
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writel(0x1010, priv->ddrphy + DDRPHY_B0_DQ4);
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writel(0x1110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
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writel(0x10c10d0, priv->ddrphy + DDRPHY_B0_DQ6);
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writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
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writel(0x1010, priv->ddrphy + DDRPHY_B1_DQ4);
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writel(0x1110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
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writel(0x10c10d0, priv->ddrphy + DDRPHY_B1_DQ6);
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writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
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writel(0x7fffffc, priv->ddrphy + DDRPHY_CA_CMD3);
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writel(0xc0010, priv->ddrphy + DDRPHY_CA_CMD6);
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writel(0x101, priv->ddrphy + DDRPHY_SHU1_CA_CMD2);
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writel(0x41e, priv->ddrphy + DDRPHY_B0_DQ3);
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writel(0x41e, priv->ddrphy + DDRPHY_B1_DQ3);
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writel(0x180101, priv->ddrphy + DDRPHY_CA_CMD8);
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writel(0x0, priv->ddrphy + DDRPHY_MISC_IMP_CTRL1);
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writel(0x11400000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
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writel(0xfff0f0f0, priv->ddrphy + DDRPHY_MISC_SHU_OPT);
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writel(0x1f, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
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writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
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writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
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writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
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writel(0x40000, priv->ddrphy + DDRPHY_PLL4);
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writel(0x0, priv->ddrphy + DDRPHY_PLL1);
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writel(0x0, priv->ddrphy + DDRPHY_PLL2);
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writel(0x666008, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
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writel(0x80666008, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
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writel(0x80666008, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
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writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
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writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
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writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
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writel(0x400, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
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writel(0x20400, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
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writel(0x20400, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL9);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL11);
|
|
writel(0xf7f, priv->ddrphy + DDRPHY_SHU1_PLL0);
|
|
writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL8);
|
|
writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL10);
|
|
writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL4);
|
|
writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL6);
|
|
|
|
writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL5);
|
|
writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL7);
|
|
|
|
writel(0x14d0002, priv->ddrphy + DDRPHY_PLL5);
|
|
writel(0x14d0002, priv->ddrphy + DDRPHY_PLL7);
|
|
writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL8);
|
|
writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL10);
|
|
writel(0xf, priv->ddrphy + DDRPHY_SHU1_PLL1);
|
|
writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
|
|
writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
|
|
writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
|
|
writel(0x698600, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
|
|
writel(0xc0778600, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
|
|
writel(0xc0778600, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
|
|
writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI4);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI4);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI4);
|
|
writel(0x2ba800, priv->ddrphy + DDRPHY_CA_DLL_ARPI1);
|
|
writel(0x2ae806, priv->ddrphy + DDRPHY_B0_DLL_ARPI1);
|
|
writel(0xae806, priv->ddrphy + DDRPHY_B1_DLL_ARPI1);
|
|
writel(0xba000, priv->ddrphy + DDRPHY_CA_DLL_ARPI3);
|
|
writel(0x2e800, priv->ddrphy + DDRPHY_B0_DLL_ARPI3);
|
|
writel(0x2e800, priv->ddrphy + DDRPHY_B1_DLL_ARPI3);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD4);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ4);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ4);
|
|
writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
|
|
writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
|
|
writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
|
|
writel(0x32cf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
|
|
writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
|
|
writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
|
|
writel(0x80010000, priv->ddrphy + DDRPHY_PLL1);
|
|
writel(0x80000000, priv->ddrphy + DDRPHY_PLL2);
|
|
udelay(100);
|
|
|
|
writel(0xc, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
|
|
writel(0x9, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
|
|
writel(0x9, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
|
|
writel(0xd0000, priv->ddrphy + DDRPHY_PLL4);
|
|
udelay(1);
|
|
|
|
writel(0x82, priv->ddrphy + DDRPHY_MISC_CTRL1);
|
|
writel(0x2, priv->dramc_ao + DRAMC_DDRCONF0);
|
|
writel(0x3acf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
|
|
writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
|
|
writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
|
|
udelay(1);
|
|
|
|
writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
|
|
writel(0x80, priv->ddrphy + DDRPHY_MISC_CTRL1);
|
|
writel(0x0, priv->dramc_ao + DRAMC_DDRCONF0);
|
|
writel(0x80000000, priv->ddrphy + DDRPHY_PLL1);
|
|
udelay(1);
|
|
|
|
writel(0x698e00, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
|
|
udelay(1);
|
|
|
|
writel(0xc0778e00, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
|
|
udelay(1);
|
|
|
|
writel(0xc0778e00, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
|
|
udelay(1);
|
|
|
|
ret = clk_set_parent(&priv->mem, &priv->mem_mux);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* DDR PHY PLL setting */
|
|
writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
|
|
writel(0x51e, priv->ddrphy + DDRPHY_B1_DQ3);
|
|
writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
|
|
writel(0x80101, priv->ddrphy + DDRPHY_CA_CMD8);
|
|
writel(0x100, priv->ddrphy + DDRPHY_CA_CMD7);
|
|
writel(0x0, priv->ddrphy + DDRPHY_CA_CMD7);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ7);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B1_DQ7);
|
|
writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
|
|
writel(0xff051e, priv->ddrphy + DDRPHY_B1_DQ3);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
|
|
writel(0x1ff, priv->ddrphy + DDRPHY_B1_DQ2);
|
|
|
|
/* Update initial setting */
|
|
writel(0x5fc, priv->ddrphy + DDRPHY_B0_DQ3);
|
|
writel(0xff05fc, priv->ddrphy + DDRPHY_B1_DQ3);
|
|
writel(0x10c12d9, priv->ddrphy + DDRPHY_B0_DQ6);
|
|
writel(0x10c12d9, priv->ddrphy + DDRPHY_B1_DQ6);
|
|
writel(0xc0259, priv->ddrphy + DDRPHY_CA_CMD6);
|
|
writel(0x4000, priv->ddrphy + DDRPHY_B0_DQ2);
|
|
writel(0x41ff, priv->ddrphy + DDRPHY_B1_DQ2);
|
|
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ8);
|
|
writel(0x100, priv->ddrphy + DDRPHY_B1_DQ8);
|
|
writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
|
|
writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
|
|
writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
|
|
writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
|
|
writel(0x39eff6, priv->dramc_ao + DRAMC_SHU_SCINTV);
|
|
writel(0x204ffff, priv->dramc_ao + DRAMC_CLKAR);
|
|
writel(0x31b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0x0, priv->dramc_ao + DRAMC_PERFCTL0);
|
|
writel(0x80000, priv->dramc_ao + DRAMC_PERFCTL0);
|
|
|
|
/* Dramc setting PC3 */
|
|
writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
|
|
writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
|
|
writel(0x200600, priv->dramc_ao + DRAMC_SHU_DQSG_RETRY);
|
|
writel(0x101d007, priv->dramc_ao + DRAMC_SHUCTRL2);
|
|
writel(0xe090601, priv->dramc_ao + DRAMC_DVFSDLL);
|
|
writel(0x20003000, priv->dramc_ao + DRAMC_DDRCONF0);
|
|
writel(0x3900020f, priv->ddrphy + DDRPHY_MISC_CTRL0);
|
|
writel(0xa20810bf, priv->dramc_ao + DRAMC_SHU_CONF0);
|
|
writel(0x30050, priv->dramc_ao + DRAMC_SHU_ODTCTRL);
|
|
writel(0x25712000, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
writel(0xb0100000, priv->dramc_ao + DRAMC_STBCAL);
|
|
writel(0x8000000, priv->dramc_ao + DRAMC_SREFCTRL);
|
|
writel(0xc0000000, priv->dramc_ao + DRAMC_SHU_PIPE);
|
|
writel(0x731004, priv->dramc_ao + DRAMC_RKCFG);
|
|
writel(0x8007320f, priv->dramc_ao + DRAMC_SHU_CONF2);
|
|
writel(0x2a7c0, priv->dramc_ao + DRAMC_SHU_SCINTV);
|
|
writel(0xc110, priv->dramc_ao + DRAMC_SHUCTRL);
|
|
writel(0x30000700, priv->dramc_ao + DRAMC_REFCTRL1);
|
|
writel(0x6543b321, priv->dramc_ao + DRAMC_REFRATRE_FILTER);
|
|
|
|
/* Update PCDDR3 default setting */
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA1);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA2);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA3);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA4);
|
|
writel(0x10000111, priv->dramc_ao + DRAMC_SHU_SELPH_CA5);
|
|
writel(0x1000000, priv->dramc_ao + DRAMC_SHU_SELPH_CA6);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA7);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA8);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_CA_CMD9);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_CA_CMD9);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
|
|
writel(0x33331111, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
|
|
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
|
|
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ0);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ1);
|
|
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ2);
|
|
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ3);
|
|
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
|
|
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ7);
|
|
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
|
|
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ7);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN0);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN1);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN0);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN1);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN0);
|
|
writel(0x66666666, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN1);
|
|
writel(0x2c000b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
|
|
writel(0x11111111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
|
|
writel(0x64646464, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
|
|
writel(0x11111111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG0);
|
|
writel(0x64646464, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG1);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ6);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ2);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ3);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ4);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ5);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ6);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ6);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ2);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ3);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ4);
|
|
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ5);
|
|
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ6);
|
|
writel(0x20000001, priv->dramc_ao + DRAMC_SHU_RANKCTL);
|
|
writel(0x2, priv->dramc_ao + DRAMC_SHURK0_DQSCTL);
|
|
writel(0x2, priv->dramc_ao + DRAMC_SHURK1_DQSCTL);
|
|
writel(0x4020b07, priv->dramc_ao + DRAMC_SHU_ACTIM0);
|
|
writel(0xb060400, priv->dramc_ao + DRAMC_SHU_ACTIM1);
|
|
writel(0x8090200, priv->dramc_ao + DRAMC_SHU_ACTIM2);
|
|
writel(0x810018, priv->dramc_ao + DRAMC_SHU_ACTIM3);
|
|
writel(0x1e9700ff, priv->dramc_ao + DRAMC_SHU_ACTIM4);
|
|
writel(0x1000908, priv->dramc_ao + DRAMC_SHU_ACTIM5);
|
|
writel(0x801040b, priv->dramc_ao + DRAMC_SHU_ACTIM_XRT);
|
|
writel(0x20000D1, priv->dramc_ao + DRAMC_SHU_AC_TIME_05T);
|
|
writel(0x80010000, priv->ddrphy + DDRPHY_PLL2);
|
|
udelay(500);
|
|
|
|
writel(0x81080000, priv->dramc_ao + DRAMC_MISCTL0);
|
|
writel(0xacf13, priv->dramc_ao + DRAMC_PERFCTL0);
|
|
writel(0xacf12, priv->dramc_ao + DRAMC_PERFCTL0);
|
|
writel(0x80, priv->dramc_ao + DRAMC_ARBCTL);
|
|
writel(0x9, priv->dramc_ao + DRAMC_PADCTRL);
|
|
writel(0x80000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
|
|
writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
|
|
writel(0x25714001, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0x4300000, priv->dramc_ao + DRAMC_CATRAINING1);
|
|
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
|
|
writel(0x731414, priv->dramc_ao + DRAMC_RKCFG);
|
|
writel(0x733414, priv->dramc_ao + DRAMC_RKCFG);
|
|
udelay(20);
|
|
|
|
writel(0x80002050, priv->dramc_ao + DRAMC_CKECTRL);
|
|
udelay(100);
|
|
|
|
writel(0x400000, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x401800, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
udelay(100);
|
|
|
|
writel(0x601800, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x600000, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
udelay(100);
|
|
|
|
writel(0x200000, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x200400, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
udelay(100);
|
|
|
|
writel(0x400, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x1d7000, priv->dramc_ao + DRAMC_MRS);
|
|
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
udelay(100);
|
|
|
|
writel(0x702201, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0x10, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x20, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
|
|
writel(0x1, priv->dramc_ao + DRAMC_HW_MRR_FUN);
|
|
writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
|
|
writel(0xff0000, priv->dramc_ao + DRAMC_SHU_CONF3);
|
|
writel(0x15b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0x2cb00b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
|
|
writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
writel(0x48000000, priv->dramc_ao + DRAMC_SREFCTRL);
|
|
writel(0xc0000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
|
|
writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
|
|
writel(0x15e00, priv->dramc_ao + DRAMC_STBCAL1);
|
|
writel(0x100000, priv->dramc_ao + DRAMC_TEST2_1);
|
|
writel(0x4000, priv->dramc_ao + DRAMC_TEST2_2);
|
|
writel(0x12000480, priv->dramc_ao + DRAMC_TEST2_3);
|
|
writel(0x301d007, priv->dramc_ao + DRAMC_SHUCTRL2);
|
|
writel(0x4782321, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0x30210000, priv->dramc_ao + DRAMC_SHU_CKECTRL);
|
|
writel(0x20000, priv->dramc_ao + DRAMC_DUMMY_RD);
|
|
writel(0x4080110d, priv->dramc_ao + DRAMC_TEST2_4);
|
|
writel(0x30000721, priv->dramc_ao + DRAMC_REFCTRL1);
|
|
writel(0x0, priv->dramc_ao + DRAMC_RSTMASK);
|
|
writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0x80002000, priv->dramc_ao + DRAMC_CKECTRL);
|
|
writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
|
|
/* Apply config before calibration */
|
|
writel(0x120, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
|
|
writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
|
|
writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
|
|
writel(0x2a7fe, priv->dramc_ao + DRAMC_SHU_SCINTV);
|
|
writel(0xff01ff, priv->dramc_ao + DRAMC_SHU_CONF3);
|
|
writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
|
|
writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
|
|
writel(0x80000000, priv->dramc_ao + DRAMC_SHU1_WODT);
|
|
writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
|
|
writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
|
|
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
|
|
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
|
|
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
|
|
writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
|
|
writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
|
|
writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
|
|
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
|
|
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
|
|
|
|
/* Write leveling */
|
|
writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
|
|
writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
|
|
writel(0x33221100, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
|
|
|
|
/* RX dqs gating cal */
|
|
writel(0x11111010, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
|
|
writel(0x20201717, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
|
|
writel(0x1d1f, priv->dramc_ao + DRAMC_SHURK0_DQSIEN);
|
|
|
|
/* RX window per-bit cal */
|
|
writel(0x03030404, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
|
|
writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
|
|
writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
|
|
writel(0x01010000, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
|
|
writel(0x03030606, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
|
|
writel(0x02020202, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
|
|
writel(0x04040303, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
|
|
writel(0x06060101, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
|
|
|
|
/* RX datlat cal */
|
|
writel(0x28b00a0e, priv->dramc_ao + DRAMC_SHU_CONF1);
|
|
|
|
/* TX window per-byte with 2UI cal */
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
|
|
writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
|
|
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
|
|
writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
|
|
writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
|
|
writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
|
|
|
|
return mtk_ddr3_rank_size_detect(dev);
|
|
}
|
|
#endif
|
|
|
|
static int mtk_ddr3_probe(struct udevice *dev)
|
|
{
|
|
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->emi = dev_read_addr_index(dev, 0);
|
|
if (priv->emi == FDT_ADDR_T_NONE)
|
|
return -EINVAL;
|
|
|
|
priv->ddrphy = dev_read_addr_index(dev, 1);
|
|
if (priv->ddrphy == FDT_ADDR_T_NONE)
|
|
return -EINVAL;
|
|
|
|
priv->dramc_ao = dev_read_addr_index(dev, 2);
|
|
if (priv->dramc_ao == FDT_ADDR_T_NONE)
|
|
return -EINVAL;
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
int ret;
|
|
|
|
ret = clk_get_by_index(dev, 0, &priv->phy);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = clk_get_by_index(dev, 1, &priv->phy_mux);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = clk_get_by_index(dev, 2, &priv->mem);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = clk_get_by_index(dev, 3, &priv->mem_mux);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = mtk_ddr3_init(dev);
|
|
if (ret)
|
|
return ret;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_ddr3_get_info(struct udevice *dev, struct ram_info *info)
|
|
{
|
|
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
|
|
u32 val = readl(priv->emi + EMI_CONA);
|
|
|
|
info->base = CONFIG_SYS_SDRAM_BASE;
|
|
|
|
switch ((val & EMI_COL_ADDR_MASK) >> EMI_COL_ADDR_SHIFT) {
|
|
case 0:
|
|
info->size = SZ_128M;
|
|
break;
|
|
case 1:
|
|
info->size = SZ_256M;
|
|
break;
|
|
case 2:
|
|
info->size = SZ_512M;
|
|
break;
|
|
case 3:
|
|
info->size = SZ_1G;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ram_ops mtk_ddr3_ops = {
|
|
.get_info = mtk_ddr3_get_info,
|
|
};
|
|
|
|
static const struct udevice_id mtk_ddr3_ids[] = {
|
|
{ .compatible = "mediatek,mt7629-dramc" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(mediatek_ddr3) = {
|
|
.name = "mediatek_ddr3",
|
|
.id = UCLASS_RAM,
|
|
.of_match = mtk_ddr3_ids,
|
|
.ops = &mtk_ddr3_ops,
|
|
.probe = mtk_ddr3_probe,
|
|
.priv_auto_alloc_size = sizeof(struct mtk_ddr3_priv),
|
|
};
|