MLK-12436-3: mx6qarm2: add new board revision support

Add mx6qarm2 new board revision support using mx6q pop SoC
Enable DRAM support for imx6q PoP SoC with populated LPDDR2
MT42L128M64D2

DDR calibration script:
http://sw-stash.freescale.net/projects/IMX/repos/ddr-scripts-rel/commits/040ee38ba9ad238fcb6053b663746d51321abb69

Test result: Stress test passed.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>

2 files changed, 299 insertions, 0 deletions

diff --git a/board/freescale/mx6qarm2/mt128x64mx32.cfg b/board/freescale/mx6qarm2/mt128x64mx32.cfg
new file mode 100644
index 0000000..d7f89c5
--- /dev/null
+++ b/board/freescale/mx6qarm2/mt128x64mx32.cfg
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Refer doc/README.imximage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi, sd (the board has no nand neither onenand)
+ */
+BOOT_FROM	sd
+
+#ifdef CONFIG_USE_PLUGIN
+/*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
+PLUGIN	board/freescale/mx6qarm2/plugin.bin 0x00907000
+#else
+
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+#ifdef CONFIG_MX6DQ_POP_LPDDR2
+/* set ddr to 400Mhz */
+DATA 4 0x020C4018 0x21324
+DATA 4 0x020C4014 0x2018900
+CHECK_BITS_CLR 4 0x020C4048 0x3F
+DATA 4 0x020C4018 0x61324
+DATA 4 0x020C4014 0x18900
+CHECK_BITS_CLR 4 0x020C4048 0x3F
+DATA 4 0x020C4018 0x60324
+
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+DATA 4 0x020c4084 0xffffffff
+// Switch PL301_FAST2 to DDR dual channel mapping
+//DATA 4 0x00B00000 0x1
+
+//=============================================================================
+/// IOMUX
+//=============================================================================
+//DDR IO TYPE:
+DATA 4 	0x020e0774	0x00020000	// IOMUXC_SW_PAD_CTL_GRP_DDRMODE
+DATA 4 	0x020e0758	0x00000000	// IOMUXC_SW_PAD_CTL_GRP_DDRPKE
+
+//CLOCK:
+DATA 4 	0x020e0588	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_0
+DATA 4 	0x020e0594	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_1
+
+//Control:
+DATA 4 	0x020e056c	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS
+DATA 4 	0x020e0578	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS
+DATA 4 	0x020e057c	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_RESET
+DATA 4 	0x020e058c	0x00000000	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDBA2 - DSE can be configured using Group Control Register: IOMUXC_SW_PAD_CTL_GRP_CTLDS
+DATA 4 	0x020e059c	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT0
+DATA 4 	0x020e05a0	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT1
+DATA 4 	0x020e074c	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_ADDDS
+DATA 4 	0x020e078c	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_CTLDS
+
+//Data Strobes:
+DATA 4 	0x020e0750	0x00020000	// IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL
+DATA 4 	0x020e05a8	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0
+DATA 4 	0x020e05b0	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1
+DATA 4 	0x020e0524	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2
+DATA 4 	0x020e051c	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3
+DATA 4 	0x020e0518	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS4
+DATA 4 	0x020e050c	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS5
+DATA 4 	0x020e05b8	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS6
+DATA 4 	0x020e05c0	0x00003030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS7
+
+//Data:
+DATA 4 	0x020e0798	0x00080000	// IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE
+DATA 4 	0x020e0784	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B0DS
+DATA 4 	0x020e0788	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B1DS
+DATA 4 	0x020e0794	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B2DS
+DATA 4 	0x020e079c	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B3DS
+DATA 4 	0x020e07a0	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B4DS
+DATA 4 	0x020e07a4	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B5DS
+DATA 4 	0x020e07a8	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B6DS
+DATA 4 	0x020e0748	0x00000030	// IOMUXC_SW_PAD_CTL_GRP_B7DS
+
+DATA 4 	0x020e05ac	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0
+DATA 4 	0x020e05b4	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1
+DATA 4 	0x020e0528	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM2
+DATA 4 	0x020e0520	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM3
+DATA 4 	0x020e0514	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM4
+DATA 4 	0x020e0510	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM5
+DATA 4 	0x020e05bc	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM6
+DATA 4 	0x020e05c4	0x00000030	// IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM7
+
+//=============================================================================
+// DDR Controller Registers
+//=============================================================================
+// Manufacturer:	Micron - POP Package
+// Device Part Number:	MT42L128M64D2LL-25WT
+// Clock Freq.: 	400MHz
+// Density per CS in Gb: 	4
+// Chip Selects used:	1
+// Number of channels	2
+// Density per channel (Gb)	4
+// Total DRAM density (Gb)	8
+// Number of Banks:	8
+// Row address:    	14
+// Column address: 	10
+// Data bus width	32
+//=============================================================================
+
+// MMDC0_MDSCR, set the Configuration request bit during MMDC set up
+DATA 4 	0x021b001c	0x00008000	// Chan 0
+DATA 4 	0x021b401c	0x00008000	// Chan 1
+
+DATA 4 	0x021b085c	0x1b5f0109 	//LPDDR2 ZQ params
+DATA 4 	0x021b485c	0x1b5f0109	//LPDDR2 ZQ params
+
+//=============================================================================
+// Calibration setup.
+//
+//=============================================================================
+DATA 4 	0x021b0800	0xa1390003	// DDR_PHY_P0_MPZQHWCTRL, enable one time ZQ calibration
+DATA 4 	0x021b4800	0xa1380003	// DDR_PHY_P1_MPZQHWCTRL
+
+DATA 4  0x021b0890 	0x00400000 //ca bus abs delay
+DATA 4  0x021b4890 	0x00400000 //ca bus abs delay
+
+//DATA 4  0x021b48bc0x00055555 // DDR_PHY_P1_MPWRCADL
+
+DATA 4 	0x021b08b8	0x00000800	//frc_msr.
+DATA 4 	0x021b48b8	0x00000800	//frc_msr.
+
+// read delays, settings recommended by design to remain constant
+DATA 4 	0x021b081c	0x33333333	// DDR_PHY_P0_MPREDQBY0DL3
+DATA 4 	0x021b0820	0x33333333	// DDR_PHY_P0_MPREDQBY1DL3
+DATA 4 	0x021b0824	0x33333333	// DDR_PHY_P0_MPREDQBY2DL3
+DATA 4 	0x021b0828	0x33333333	// DDR_PHY_P0_MPREDQBY3DL3
+DATA 4 	0x021b481c	0x33333333	// DDR_PHY_P1_MPREDQBY0DL3
+DATA 4 	0x021b4820	0x33333333	// DDR_PHY_P1_MPREDQBY1DL3
+DATA 4 	0x021b4824	0x33333333	// DDR_PHY_P1_MPREDQBY2DL3
+DATA 4 	0x021b4828	0x33333333	// DDR_PHY_P1_MPREDQBY3DL3
+
+// write delays, settings recommended by design to remain constant
+DATA 4 	0x021b082c	0xF3333333	//DDR_PHY_P0 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b0830	0xF3333333	//DDR_PHY_P0 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b0834	0xF3333333	//DDR_PHY_P0 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b0838	0xF3333333	//DDR_PHY_P0 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b482c	0xF3333333	//DDR_PHY_P1 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b4830	0xF3333333	//DDR_PHY_P1 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b4834	0xF3333333	//DDR_PHY_P1 all byte 0 data & dm delayed by 3
+DATA 4 	0x021b4838	0xF3333333	//DDR_PHY_P1 all byte 0 data & dm delayed by 3
+
+DATA 4 	0x021b0848	0x36383644	// MPRDDLCTL PHY0
+DATA 4 	0x021b4848	0x3a383846	// MPRDDLCTL PHY1
+
+DATA 4 	0x021b0850	0x38343E34	// MPWRDLCTL PHY0
+DATA 4 	0x021b4850	0x48384A44	// MPWRDLCTL PHY1
+
+DATA 4 	0x021b083c	0x20000000	//PHY0 dqs gating dis
+DATA 4 	0x021b0840	0x0
+DATA 4 	0x021b483c	0x20000000	//PHY0 dqs gating dis
+DATA 4 	0x021b4840	0x0
+
+//For i.mx6qd parts of versions C and later (v1.2, v1.3).
+DATA 4 	0x021b08c0	0x24921492	// fine tune SDCLK duty cyc to low - seen to improve measured duty cycle of i.mx6
+DATA 4 	0x021b48c0	0x24921492
+
+DATA 4 	0x021b08b8	0x00000800	//frc_msr.
+DATA 4 	0x021b48b8	0x00000800	//frc_msr.
+//=============================================================================
+// Calibration setup end
+//=============================================================================
+
+// Channel0 - starting address 0x80000000
+DATA 4 	0x021b000c	0x33374133	// MMDC0_MDCFG0
+DATA 4 	0x021b0004	0x00020024	// MMDC0_MDPDC
+DATA 4 	0x021b0010	0x00100A82	// MMDC0_MDCFG1
+DATA 4 	0x021b0014	0x00000093	// MMDC0_MDCFG2
+
+//MDMISC: RALAT kept to the high level of 5.
+//MDMISC: consider reducing RALAT if your 528MHz board design allow that. Lower RALAT benefits:
+//a. better operation at low frequency, for LPDDR2 freq < 100MHz, change RALAT to 3
+//b. Small performence improvment
+DATA 4 	0x021b0018	0x0000174C	// MMDC0_MDMISC
+DATA 4 	0x021b002c	0x0F9F26D2	// MMDC0_MDRWD
+DATA 4 	0x021b0030	0x009F0E10	// MMDC0_MDOR
+DATA 4 	0x021b0038	0x001A0889	// MMDC0_MDCFG3LP
+DATA 4 	0x021b0008	0x00000000	// MMDC0_MDOTC
+DATA 4 	0x021b0040	0x00000053	// Chan0 CS0_END 2 channel with 4K-interleave mode
+// DATA 4  	0x021b0400	0x11420000      	//MMDC0_MAARCR ADOPT optimized priorities. Dyn jump disabled
+DATA 4 	0x021b0000	0x83110000	// MMDC0_MDCTL
+
+// Channel1 - starting address 0x10000000
+// Note: the values for Chan1 should match those of Chan0
+DATA 4 	0x021b400c	0x33374133	// MMDC1_MDCFG0
+DATA 4 	0x021b4004	0x00020024	// MMDC1_MDPDC
+DATA 4 	0x021b4010	0x00100A82	// MMDC1_MDCFG1
+DATA 4 	0x021b4014	0x00000093	// MMDC1_MDCFG2
+DATA 4 	0x021b4018	0x0000174C	// MMDC1_MDMISC
+DATA 4 	0x021b402c	0x0F9F26D2	// MMDC1_MDRWD
+DATA 4 	0x021b4030	0x009F0E10	// MMDC1_MDOR
+DATA 4 	0x021b4038	0x001A0889	// MMDC1_MDCFG3LP
+DATA 4 	0x021b4008	0x00000000	// MMDC1_MDOTC
+DATA 4 	0x021b4040	0x00000013	// Chan1 CS0_END
+// DATA 4  	0x021b4400	0x11420000      	//MMDC0_MAARCR ADOPT optimized priorities. Dyn jump disabled
+DATA 4 	0x021b4000	0x83110000	// MMDC1_MDCTL
+
+//=============================================================================
+// LPDDR2 Mode Register Writes
+//=============================================================================
+// Channel 0 CS0
+DATA 4 	0x021b001c	0x003F8030	// MRW: BA=0 CS=0 MR_ADDR=63 MR_OP=0 (Reset)
+DATA 4 	0x021b001c	0xFF0A8030	// MRW: BA=0 CS=0 MR_ADDR=10 MR_OP=0xff (IO calibration, calibration code)
+DATA 4 	0x021b001c	0xC2018030	// MRW: BA=0 CS=0 MR_ADDR=1  MR_OP=see Register Configuration
+DATA 4 	0x021b001c	0x04028030	// MRW: BA=0 CS=0 MR_ADDR=2  MR_OP=see Register Configuration
+DATA 4 	0x021b001c	0x03038030	// MRW: BA=0 CS=0 MR_ADDR=3  MR_OP=see Register Configuration
+// Channel 0 CS1
+// Note, CS1 does not exist in this memory hence these writes are commented out
+// They are only shown here for completeness
+// If you use a memory where CS1 exists, simply uncomment these lines
+//DATA 4 	0x021b001c	0x003F8038	// MRW: BA=0 CS=1 MR_ADDR=63 MR_OP=0 (Reset)
+//DATA 4 	0x021b001c	0xFF0A8038	// MRW: BA=0 CS=1 MR_ADDR=10 MR_OP=0xff (IO calibration, calibration code)
+//DATA 4 	0x021b001c	0xC2018038	// MRW: BA=0 CS=1 MR_ADDR=1  MR_OP=see Register Configuration
+//DATA 4 	0x021b001c	0x04028038	// MRW: BA=0 CS=1 MR_ADDR=2  MR_OP=see Register Configuration
+//DATA 4 	0x021b001c	0x03038038	// MRW: BA=0 CS=1 MR_ADDR=3  MR_OP=see Register Configuration
+
+// For Channel 1 mode register writes - these should match channel 0 settings
+// Channel 1 CS0
+DATA 4 	0x021b401c	0x003F8030	// MRW: BA=0 CS=0 MR_ADDR=63 MR_OP=0 (Reset)
+DATA 4 	0x021b401c	0xFF0A8030	// MRW: BA=0 CS=0 MR_ADDR=10 MR_OP=0xff (IO calibration, calibration code)
+DATA 4 	0x021b401c	0xC2018030	// MRW: BA=0 CS=0 MR_ADDR=1  MR_OP=see Register Configuration
+DATA 4 	0x021b401c	0x04028030	// MRW: BA=0 CS=0 MR_ADDR=2  MR_OP=see Register Configuration
+DATA 4 	0x021b401c	0x03038030	// MRW: BA=0 CS=0 MR_ADDR=3  MR_OP=see Register Configuration
+// Channel 1 CS1
+// Note, CS1 does not exist in this memory hence these writes are commented out
+// They are only shown here for completeness
+// If you use a memory where CS1 exists, simply uncomment these lines
+//DATA 4 	0x021b401c	0x003F8038	// MRW: BA=0 CS=1 MR_ADDR=63 MR_OP=0 (Reset)
+//DATA 4 	0x021b401c	0xFF0A8038	// MRW: BA=0 CS=1 MR_ADDR=10 MR_OP=0xff (IO calibration, calibration code)
+//DATA 4 	0x021b401c	0xC2018038	// MRW: BA=0 CS=1 MR_ADDR=1  MR_OP=see Register Configuration
+//DATA 4 	0x021b401c	0x04028038	// MRW: BA=0 CS=1 MR_ADDR=2  MR_OP=see Register Configuration
+//DATA 4 	0x021b401c	0x03038038	// MRW: BA=0 CS=1 MR_ADDR=3  MR_OP=see Register Configuration
+
+//////////#################################################//
+//final DDR setup, before operation start:
+
+DATA 4 	0x021b0020	0x00001800	// MMDC0_MDREF
+DATA 4 	0x021b4020	0x00001800	// MMDC1_MDREF, align with Chan 0 setting
+
+DATA 4 	0x021b0818	0x0	// DDR_PHY_P0_MPODTCTRL
+DATA 4 	0x021b4818	0x0	// DDR_PHY_P1_MPODTCTRL
+
+DATA 4 	0x021b08b8	0x00000800	// DDR_PHY_P0_MPMUR0, frc_msr
+DATA 4 	0x021b48b8	0x00000800	// DDR_PHY_P1_MPMUR0, frc_msr
+
+DATA 4 	0x021b0004	0x00025564	// MMDC0_MDPDC now SDCTL power down enabled
+DATA 4 	0x021b4004	0x00025564	// MMDC1_MDPDC now SDCTL power down enabled, align with Chan 0 setting
+
+DATA 4 	0x021b0404	0x00011006 	//MMDC0_MAPSR ADOPT power down enabled
+DATA 4 	0x021b4404	0x00011006 	//MMDC1_MAPSR ADOPT power down enabled, align with Chan 0 setting
+
+DATA 4 	0x021b001c	0x00000000	// MMDC0_MDSCR, clear this register
+DATA 4 	0x021b401c	0x00000000	// MMDC1_MDSCR, clear this register
+
+/* enable AXI cache for VDOA/VPU/IPU */
+DATA 4, 0x020e0010, 0xF00000CF
+/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+DATA 4, 0x020e0018, 0x007F007F
+DATA 4, 0x020e001c, 0x007F007F
+#endif
+#endif
diff --git a/configs/mx6qarm2_pop_lpddr2_revb_defconfig b/configs/mx6qarm2_pop_lpddr2_revb_defconfig
new file mode 100644
index 0000000..e1b4927
--- /dev/null
+++ b/configs/mx6qarm2_pop_lpddr2_revb_defconfig
@@ -0,0 +1,5 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_MX6QARM2=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6qarm2/mt128x64mx32.cfg,MX6Q,MX6DQ_POP_LPDDR2,DDR_MB=1024"
+CONFIG_CMD_GPIO=y