From ffc0ae0c70decbe5a91001cbe97e0a511bdf6e88 Mon Sep 17 00:00:00 2001 From: Vishnu Patekar Date: Sun, 1 Mar 2015 23:49:39 +0530 Subject: sunxi: Add a33 dram init code Based on Allwinner dram init code from the a33 bsp: https://github.com/allwinner-zh/bootloader/blob/master/basic_loader/bsp/bsp_for_a33/init_dram/mctl_hal.c Initial u-boot port by Vishnu Patekar, major cleanup / rewrite by Hans de Goede. Signed-off-by: Vishnu Patekar Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- arch/arm/include/asm/arch-sunxi/dram.h | 2 + arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h | 179 +++++++++++++++++++++++ 2 files changed, 181 insertions(+) create mode 100644 arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h index bb96cc572a..273f80fe88 100644 --- a/arch/arm/include/asm/arch-sunxi/dram.h +++ b/arch/arm/include/asm/arch-sunxi/dram.h @@ -20,6 +20,8 @@ #include #elif defined(CONFIG_MACH_SUN8I_A23) #include +#elif defined(CONFIG_MACH_SUN8I_A33) +#include #else #include #endif diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h new file mode 100644 index 0000000000..afe6dc8eba --- /dev/null +++ b/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h @@ -0,0 +1,179 @@ +/* + * Sun8i platform dram controller register and constant defines + * + * (C) Copyright 2007-2015 Allwinner Technology Co. + * Jerry Wang + * (C) Copyright 2015 Vishnu Patekar + * (C) Copyright 2014-2015 Hans de Goede + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _SUNXI_DRAM_SUN8I_A33_H +#define _SUNXI_DRAM_SUN8I_A33_H + +struct sunxi_mctl_com_reg { + u32 cr; /* 0x00 */ + u32 ccr; /* 0x04 controller configuration register */ + u32 dbgcr; /* 0x08 */ + u8 res0[0x4]; /* 0x0c */ + u32 mcr0_0; /* 0x10 */ + u32 mcr1_0; /* 0x14 */ + u32 mcr0_1; /* 0x18 */ + u32 mcr1_1; /* 0x1c */ + u32 mcr0_2; /* 0x20 */ + u32 mcr1_2; /* 0x24 */ + u32 mcr0_3; /* 0x28 */ + u32 mcr1_3; /* 0x2c */ + u32 mcr0_4; /* 0x30 */ + u32 mcr1_4; /* 0x34 */ + u32 mcr0_5; /* 0x38 */ + u32 mcr1_5; /* 0x3c */ + u32 mcr0_6; /* 0x40 */ + u32 mcr1_6; /* 0x44 */ + u32 mcr0_7; /* 0x48 */ + u32 mcr1_7; /* 0x4c */ + u32 mcr0_8; /* 0x50 */ + u32 mcr1_8; /* 0x54 */ + u32 mcr0_9; /* 0x58 */ + u32 mcr1_9; /* 0x5c */ + u32 mcr0_10; /* 0x60 */ + u32 mcr1_10; /* 0x64 */ + u32 mcr0_11; /* 0x68 */ + u32 mcr1_11; /* 0x6c */ + u32 mcr0_12; /* 0x70 */ + u32 mcr1_12; /* 0x74 */ + u32 mcr0_13; /* 0x78 */ + u32 mcr1_13; /* 0x7c */ + u32 mcr0_14; /* 0x80 */ + u32 mcr1_14; /* 0x84 */ + u32 mcr0_15; /* 0x88 */ + u32 mcr1_15; /* 0x8c */ + u32 bwcr; /* 0x90 */ + u32 maer; /* 0x94 */ + u32 mapr; /* 0x98 */ + u32 mcgcr; /* 0x9c */ + u32 bwctr; /* 0xa0 */ + u8 res2[0x8]; /* 0xa4 */ + u32 swoffr; /* 0xac */ + u8 res3[0x10]; /* 0xb0 */ + u32 swonr; /* 0xc0 */ + u8 res4[0x3c]; /* 0xc4 */ + u32 mdfscr; /* 0x100 */ + u32 mdfsmer; /* 0x104 */ +}; + +struct sunxi_mctl_ctl_reg { + u32 pir; /* 0x00 */ + u32 pwrctl; /* 0x04 */ + u32 mrctrl0; /* 0x08 */ + u32 clken; /* 0x0c */ + u32 pgsr0; /* 0x10 */ + u32 pgsr1; /* 0x14 */ + u32 statr; /* 0x18 */ + u8 res1[0x14]; /* 0x1c */ + u32 mr0; /* 0x30 */ + u32 mr1; /* 0x34 */ + u32 mr2; /* 0x38 */ + u32 mr3; /* 0x3c */ + u32 pllgcr; /* 0x40 */ + u32 ptr0; /* 0x44 */ + u32 ptr1; /* 0x48 */ + u32 ptr2; /* 0x4c */ + u32 ptr3; /* 0x50 */ + u32 ptr4; /* 0x54 */ + u32 dramtmg0; /* 0x58 dram timing parameters register 0 */ + u32 dramtmg1; /* 0x5c dram timing parameters register 1 */ + u32 dramtmg2; /* 0x60 dram timing parameters register 2 */ + u32 dramtmg3; /* 0x64 dram timing parameters register 3 */ + u32 dramtmg4; /* 0x68 dram timing parameters register 4 */ + u32 dramtmg5; /* 0x6c dram timing parameters register 5 */ + u32 dramtmg6; /* 0x70 dram timing parameters register 6 */ + u32 dramtmg7; /* 0x74 dram timing parameters register 7 */ + u32 dramtmg8; /* 0x78 dram timing parameters register 8 */ + u32 odtcfg; /* 0x7c */ + u32 pitmg0; /* 0x80 */ + u32 pitmg1; /* 0x84 */ + u8 res2[0x4]; /* 0x88 */ + u32 rfshctl0; /* 0x8c */ + u32 rfshtmg; /* 0x90 */ + u32 rfshctl1; /* 0x94 */ + u32 pwrtmg; /* 0x98 */ + u8 res3[0x20]; /* 0x9c */ + u32 dqsgmr; /* 0xbc */ + u32 dtcr; /* 0xc0 */ + u32 dtar0; /* 0xc4 */ + u32 dtar1; /* 0xc8 */ + u32 dtar2; /* 0xcc */ + u32 dtar3; /* 0xd0 */ + u32 dtdr0; /* 0xd4 */ + u32 dtdr1; /* 0xd8 */ + u32 dtmr0; /* 0xdc */ + u32 dtmr1; /* 0xe0 */ + u32 dtbmr; /* 0xe4 */ + u32 catr0; /* 0xe8 */ + u32 catr1; /* 0xec */ + u32 dtedr0; /* 0xf0 */ + u32 dtedr1; /* 0xf4 */ + u8 res4[0x8]; /* 0xf8 */ + u32 pgcr0; /* 0x100 */ + u32 pgcr1; /* 0x104 */ + u32 pgcr2; /* 0x108 */ + u8 res5[0x4]; /* 0x10c */ + u32 iovcr0; /* 0x110 */ + u32 iovcr1; /* 0x114 */ + u32 dqsdr; /* 0x118 */ + u32 dxccr; /* 0x11c */ + u32 odtmap; /* 0x120 */ + u32 zqctl0; /* 0x124 */ + u32 zqctl1; /* 0x128 */ + u8 res6[0x14]; /* 0x12c */ + u32 zqcr0; /* 0x140 zq control register 0 */ + u32 zqcr1; /* 0x144 zq control register 1 */ + u32 zqcr2; /* 0x148 zq control register 2 */ + u32 zqsr0; /* 0x14c zq status register 0 */ + u32 zqsr1; /* 0x150 zq status register 1 */ + u8 res7[0x6c]; /* 0x154 */ + u32 sched; /* 0x1c0 */ + u32 perfhpr0; /* 0x1c4 */ + u32 perfhpr1; /* 0x1c8 */ + u32 perflpr0; /* 0x1cc */ + u32 perflpr1; /* 0x1d0 */ + u32 perfwr0; /* 0x1d4 */ + u32 perfwr1; /* 0x1d8 */ +}; + +#define DXnGTR(x) (SUNXI_DRAM_CTL0_BASE + 0x00000340 + 0x80 * x) +#define DXnGCR0(x) (SUNXI_DRAM_CTL0_BASE + 0x00000344 + 0x80 * x) +#define DXnGSR0(x) (SUNXI_DRAM_CTL0_BASE + 0x00000348 + 0x80 * x) +#define DXnGSR1(x) (SUNXI_DRAM_CTL0_BASE + 0x0000034c + 0x80 * x) +#define DXnGSR2(x) (SUNXI_DRAM_CTL0_BASE + 0x00000350 + 0x80 * x) + +/* + * DRAM common (sunxi_mctl_com_reg) register constants. + */ +#define MCTL_CR_RANK_MASK (3 << 0) +#define MCTL_CR_RANK(x) (((x) - 1) << 0) +#define MCTL_CR_BANK_MASK (3 << 2) +#define MCTL_CR_BANK(x) ((x) << 2) +#define MCTL_CR_ROW_MASK (0xf << 4) +#define MCTL_CR_ROW(x) (((x) - 1) << 4) +#define MCTL_CR_PAGE_SIZE_MASK (0xf << 8) +#define MCTL_CR_PAGE_SIZE(x) ((fls(x) - 4) << 8) +#define MCTL_CR_BUSW_MASK (7 << 12) +#define MCTL_CR_BUSW8 (0 << 12) +#define MCTL_CR_BUSW16 (1 << 12) +#define MCTL_CR_SEQUENCE (1 << 15) +#define MCTL_CR_DDR3 (3 << 16) +#define MCTL_CR_CHANNEL_MASK (1 << 19) +#define MCTL_CR_CHANNEL(x) (((x) - 1) << 19) +#define MCTL_CR_UNKNOWN (0x4 << 20) +#define MCTL_CR_CS1_CONTROL(x) ((x) << 24) + +/* DRAM control (sunxi_mctl_ctl_reg) register constants */ +#define MCTL_MR0 0x1c70 /* CL=11, WR=12 */ +#define MCTL_MR1 0x40 +#define MCTL_MR2 0x18 /* CWL=8 */ +#define MCTL_MR3 0x0 + +#endif /* _SUNXI_DRAM_SUN8I_A33_H */ -- cgit