ram: rockchip: add controller code for PX30

This sdram_pctl_px30.c is based on PX30 SoC, the functions are common
for controller, other SoCs with similar hardware could re-use it.

Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

1 files changed, 139 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h
new file mode 100644
index 0000000000..9781881738
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _ASM_ARCH_SDRAM_PCTL_PX30_H
+#define _ASM_ARCH_SDRAM_PCTL_PX30_H
+#include <asm/arch-rockchip/sdram_common.h>
+
+struct ddr_pctl_regs {
+	u32 pctl[30][2];
+};
+
+/* ddr pctl registers define */
+#define DDR_PCTL2_MSTR			0x0
+#define DDR_PCTL2_STAT			0x4
+#define DDR_PCTL2_MSTR1			0x8
+#define DDR_PCTL2_MRCTRL0		0x10
+#define DDR_PCTL2_MRCTRL1		0x14
+#define DDR_PCTL2_MRSTAT		0x18
+#define DDR_PCTL2_MRCTRL2		0x1c
+#define DDR_PCTL2_DERATEEN		0x20
+#define DDR_PCTL2_DERATEINT		0x24
+#define DDR_PCTL2_PWRCTL		0x30
+#define DDR_PCTL2_PWRTMG		0x34
+#define DDR_PCTL2_HWLPCTL		0x38
+#define DDR_PCTL2_RFSHCTL0		0x50
+#define DDR_PCTL2_RFSHCTL1		0x54
+#define DDR_PCTL2_RFSHCTL2		0x58
+#define DDR_PCTL2_RFSHCTL4		0x5c
+#define DDR_PCTL2_RFSHCTL3		0x60
+#define DDR_PCTL2_RFSHTMG		0x64
+#define DDR_PCTL2_RFSHTMG1		0x68
+#define DDR_PCTL2_RFSHCTL5		0x6c
+#define DDR_PCTL2_INIT0			0xd0
+#define DDR_PCTL2_INIT1			0xd4
+#define DDR_PCTL2_INIT2			0xd8
+#define DDR_PCTL2_INIT3			0xdc
+#define DDR_PCTL2_INIT4			0xe0
+#define DDR_PCTL2_INIT5			0xe4
+#define DDR_PCTL2_INIT6			0xe8
+#define DDR_PCTL2_INIT7			0xec
+#define DDR_PCTL2_DIMMCTL		0xf0
+#define DDR_PCTL2_RANKCTL		0xf4
+#define DDR_PCTL2_CHCTL			0xfc
+#define DDR_PCTL2_DRAMTMG0		0x100
+#define DDR_PCTL2_DRAMTMG1		0x104
+#define DDR_PCTL2_DRAMTMG2		0x108
+#define DDR_PCTL2_DRAMTMG3		0x10c
+#define DDR_PCTL2_DRAMTMG4		0x110
+#define DDR_PCTL2_DRAMTMG5		0x114
+#define DDR_PCTL2_DRAMTMG6		0x118
+#define DDR_PCTL2_DRAMTMG7		0x11c
+#define DDR_PCTL2_DRAMTMG8		0x120
+#define DDR_PCTL2_DRAMTMG9		0x124
+#define DDR_PCTL2_DRAMTMG10		0x128
+#define DDR_PCTL2_DRAMTMG11		0x12c
+#define DDR_PCTL2_DRAMTMG12		0x130
+#define DDR_PCTL2_DRAMTMG13		0x134
+#define DDR_PCTL2_DRAMTMG14		0x138
+#define DDR_PCTL2_DRAMTMG15		0x13c
+#define DDR_PCTL2_DRAMTMG16		0x140
+#define DDR_PCTL2_ZQCTL0		0x180
+#define DDR_PCTL2_ZQCTL1		0x184
+#define DDR_PCTL2_ZQCTL2		0x188
+#define DDR_PCTL2_ZQSTAT		0x18c
+#define DDR_PCTL2_DFITMG0		0x190
+#define DDR_PCTL2_DFITMG1		0x194
+#define DDR_PCTL2_DFILPCFG0		0x198
+#define DDR_PCTL2_DFILPCFG1		0x19c
+#define DDR_PCTL2_DFIUPD0		0x1a0
+#define DDR_PCTL2_DFIUPD1		0x1a4
+#define DDR_PCTL2_DFIUPD2		0x1a8
+#define DDR_PCTL2_DFIMISC		0x1b0
+#define DDR_PCTL2_DFITMG2		0x1b4
+#define DDR_PCTL2_DFITMG3		0x1b8
+#define DDR_PCTL2_DFISTAT		0x1bc
+#define DDR_PCTL2_DBICTL		0x1c0
+#define DDR_PCTL2_ADDRMAP0		0x200
+#define DDR_PCTL2_ADDRMAP1		0x204
+#define DDR_PCTL2_ADDRMAP2		0x208
+#define DDR_PCTL2_ADDRMAP3		0x20c
+#define DDR_PCTL2_ADDRMAP4		0x210
+#define DDR_PCTL2_ADDRMAP5		0x214
+#define DDR_PCTL2_ADDRMAP6		0x218
+#define DDR_PCTL2_ADDRMAP7		0x21c
+#define DDR_PCTL2_ADDRMAP8		0x220
+#define DDR_PCTL2_ADDRMAP9		0x224
+#define DDR_PCTL2_ADDRMAP10		0x228
+#define DDR_PCTL2_ADDRMAP11		0x22c
+#define DDR_PCTL2_ODTCFG		0x240
+#define DDR_PCTL2_ODTMAP		0x244
+#define DDR_PCTL2_SCHED			0x250
+#define DDR_PCTL2_SCHED1		0x254
+#define DDR_PCTL2_PERFHPR1		0x25c
+#define DDR_PCTL2_PERFLPR1		0x264
+#define DDR_PCTL2_PERFWR1		0x26c
+#define DDR_PCTL2_DQMAP0		0x280
+#define DDR_PCTL2_DQMAP1		0x284
+#define DDR_PCTL2_DQMAP2		0x288
+#define DDR_PCTL2_DQMAP3		0x28c
+#define DDR_PCTL2_DQMAP4		0x290
+#define DDR_PCTL2_DQMAP5		0x294
+#define DDR_PCTL2_DBG0			0x300
+#define DDR_PCTL2_DBG1			0x304
+#define DDR_PCTL2_DBGCAM		0x308
+#define DDR_PCTL2_DBGCMD		0x30c
+#define DDR_PCTL2_DBGSTAT		0x310
+#define DDR_PCTL2_SWCTL			0x320
+#define DDR_PCTL2_SWSTAT		0x324
+#define DDR_PCTL2_POISONCFG		0x36c
+#define DDR_PCTL2_POISONSTAT		0x370
+#define DDR_PCTL2_ADVECCINDEX		0x374
+#define DDR_PCTL2_ADVECCSTAT		0x378
+#define DDR_PCTL2_PSTAT			0x3fc
+#define DDR_PCTL2_PCCFG			0x400
+#define DDR_PCTL2_PCFGR_n		0x404
+#define DDR_PCTL2_PCFGW_n		0x408
+#define DDR_PCTL2_PCTRL_n		0x490
+
+/* PCTL2_MRSTAT */
+#define MR_WR_BUSY			BIT(0)
+
+void pctl_read_mr(void __iomem *pctl_base, u32 rank, u32 mr_num);
+int pctl_write_mr(void __iomem *pctl_base, u32 rank, u32 mr_num, u32 arg,
+		  u32 dramtype);
+int pctl_write_vrefdq(void __iomem *pctl_base, u32 rank, u32 vrefrate,
+		      u32 dramtype);
+
+u32 pctl_dis_zqcs_aref(void __iomem *pctl_base);
+void pctl_rest_zqcs_aref(void __iomem *pctl_base, u32 dis_auto_zq);
+
+u32 pctl_remodify_sdram_params(struct ddr_pctl_regs *pctl_regs,
+			       struct sdram_cap_info *cap_info,
+			       u32 dram_type);
+int pctl_cfg(void __iomem *pctl_base, struct ddr_pctl_regs *pctl_regs,
+	     u32 sr_idle, u32 pd_idle);
+
+#endif