]> git.ipfire.org Git - people/ms/u-boot.git/commitdiff
vf610: add support for Phytec PCM052
authorAlbert ARIBAUD \(3ADEV\) <albert.aribaud@3adev.fr>
Mon, 21 Sep 2015 20:43:39 +0000 (22:43 +0200)
committerStefano Babic <sbabic@denx.de>
Fri, 2 Oct 2015 08:42:59 +0000 (10:42 +0200)
Devices supported are:
- NFC (NAND FLASH)
- MMC
- QSPI (SPI NOR FLASH)
- I2C (only bus 2)
- I2C RTC
- I2C EEPROM
- FEC

Patch-series: 2
- remove useless CONFIG_SYS_SPD_BUS_NUM from config
- remove include of config_cmd_default.h
- remove duplicate CONFIG_CMD_NET

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
arch/arm/Kconfig
board/phytec/pcm052/Kconfig [new file with mode: 0644]
board/phytec/pcm052/MAINTAINERS [new file with mode: 0644]
board/phytec/pcm052/Makefile [new file with mode: 0644]
board/phytec/pcm052/imximage.cfg [new file with mode: 0644]
board/phytec/pcm052/pcm052.c [new file with mode: 0644]
configs/pcm052_defconfig [new file with mode: 0644]
include/configs/pcm052.h [new file with mode: 0644]

index 0b07e08db6c73d2da13933055c509ac7deed78e8..3a336e6fdfe16078ee6ebbe29ab17f9ebb1ac3f8 100644 (file)
@@ -538,6 +538,10 @@ config TARGET_COLIBRI_VF
        bool "Support Colibri VF50/61"
        select CPU_V7
 
+config TARGET_PCM052
+       bool "Support pcm-052"
+       select CPU_V7
+
 config ARCH_ZYNQ
        bool "Xilinx Zynq Platform"
        select CPU_V7
@@ -753,6 +757,7 @@ source "board/maxbcm/Kconfig"
 source "board/mpl/vcma9/Kconfig"
 source "board/olimex/mx23_olinuxino/Kconfig"
 source "board/phytec/pcm051/Kconfig"
+source "board/phytec/pcm052/Kconfig"
 source "board/ppcag/bg0900/Kconfig"
 source "board/samsung/smdk2410/Kconfig"
 source "board/sandisk/sansa_fuze_plus/Kconfig"
diff --git a/board/phytec/pcm052/Kconfig b/board/phytec/pcm052/Kconfig
new file mode 100644 (file)
index 0000000..d67a69a
--- /dev/null
@@ -0,0 +1,15 @@
+if TARGET_PCM052
+
+config SYS_BOARD
+       default "pcm052"
+
+config SYS_VENDOR
+       default "phytec"
+
+config SYS_SOC
+       default "vf610"
+
+config SYS_CONFIG_NAME
+       default "pcm052"
+
+endif
diff --git a/board/phytec/pcm052/MAINTAINERS b/board/phytec/pcm052/MAINTAINERS
new file mode 100644 (file)
index 0000000..a877436
--- /dev/null
@@ -0,0 +1,6 @@
+PCM052 BOARD
+M:     Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
+S:     Maintained
+F:     board/phytec/pcm052/
+F:     include/configs/pcm052.h
+F:     configs/pcm052_defconfig
diff --git a/board/phytec/pcm052/Makefile b/board/phytec/pcm052/Makefile
new file mode 100644 (file)
index 0000000..144f4e7
--- /dev/null
@@ -0,0 +1,7 @@
+#
+# Copyright 2013 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y  := pcm052.o
diff --git a/board/phytec/pcm052/imximage.cfg b/board/phytec/pcm052/imximage.cfg
new file mode 100644 (file)
index 0000000..f5a9747
--- /dev/null
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2015 3ADEV <http://www.3adev.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+#include <asm/imx-common/imximage.cfg>
+
+/* image version */
+IMAGE_VERSION  2
+
+/* Boot Offset 0x400, valid for both SD and NAND boot */
+BOOT_OFFSET    FLASH_OFFSET_STANDARD
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c
new file mode 100644 (file)
index 0000000..e4f61e1
--- /dev/null
@@ -0,0 +1,515 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux-vf610.h>
+#include <asm/arch/ddrmc-vf610.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Default DDR pad settings in arch/arm/include/asm/arch-vf610/iomux-vf610.h
+ * do not match our settings. Let us (re)define our own settings here.
+ */
+
+#define PCM052_VF610_DDR_PAD_CTRL      PAD_CTL_DSE_20ohm
+#define PCM052_VF610_DDR_PAD_CTRL_1    (PAD_CTL_DSE_20ohm | \
+                                       PAD_CTL_INPUT_DIFFERENTIAL)
+#define PCM052_VF610_DDR_RESET_PAD_CTL (PAD_CTL_DSE_150ohm | \
+                                       PAD_CTL_PUS_100K_UP | \
+                                       PAD_CTL_INPUT_DIFFERENTIAL)
+
+enum {
+       PCM052_VF610_PAD_DDR_RESETB                     = IOMUX_PAD(0x021c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_RESET_PAD_CTL),
+       PCM052_VF610_PAD_DDR_A15__DDR_A_15              = IOMUX_PAD(0x0220, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A14__DDR_A_14              = IOMUX_PAD(0x0224, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A13__DDR_A_13              = IOMUX_PAD(0x0228, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A12__DDR_A_12              = IOMUX_PAD(0x022c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A11__DDR_A_11              = IOMUX_PAD(0x0230, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A10__DDR_A_10              = IOMUX_PAD(0x0234, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A9__DDR_A_9                = IOMUX_PAD(0x0238, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A8__DDR_A_8                = IOMUX_PAD(0x023c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A7__DDR_A_7                = IOMUX_PAD(0x0240, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A6__DDR_A_6                = IOMUX_PAD(0x0244, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A5__DDR_A_5                = IOMUX_PAD(0x0248, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A4__DDR_A_4                = IOMUX_PAD(0x024c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A3__DDR_A_3                = IOMUX_PAD(0x0250, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A2__DDR_A_2                = IOMUX_PAD(0x0254, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A1__DDR_A_1                = IOMUX_PAD(0x0258, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_A0__DDR_A_0                = IOMUX_PAD(0x025c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_BA2__DDR_BA_2              = IOMUX_PAD(0x0260, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_BA1__DDR_BA_1              = IOMUX_PAD(0x0264, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_BA0__DDR_BA_0              = IOMUX_PAD(0x0268, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_CAS__DDR_CAS_B             = IOMUX_PAD(0x026c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_CKE__DDR_CKE_0             = IOMUX_PAD(0x0270, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_CLK__DDR_CLK_0             = IOMUX_PAD(0x0274, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL_1),
+       PCM052_VF610_PAD_DDR_CS__DDR_CS_B_0             = IOMUX_PAD(0x0278, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D15__DDR_D_15              = IOMUX_PAD(0x027c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D14__DDR_D_14              = IOMUX_PAD(0x0280, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D13__DDR_D_13              = IOMUX_PAD(0x0284, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D12__DDR_D_12              = IOMUX_PAD(0x0288, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D11__DDR_D_11              = IOMUX_PAD(0x028c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D10__DDR_D_10              = IOMUX_PAD(0x0290, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D9__DDR_D_9                = IOMUX_PAD(0x0294, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D8__DDR_D_8                = IOMUX_PAD(0x0298, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D7__DDR_D_7                = IOMUX_PAD(0x029c, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D6__DDR_D_6                = IOMUX_PAD(0x02a0, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D5__DDR_D_5                = IOMUX_PAD(0x02a4, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D4__DDR_D_4                = IOMUX_PAD(0x02a8, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D3__DDR_D_3                = IOMUX_PAD(0x02ac, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D2__DDR_D_2                = IOMUX_PAD(0x02b0, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D1__DDR_D_1                = IOMUX_PAD(0x02b4, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_D0__DDR_D_0                = IOMUX_PAD(0x02b8, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_DQM1__DDR_DQM_1            = IOMUX_PAD(0x02bc, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_DQM0__DDR_DQM_0            = IOMUX_PAD(0x02c0, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_DQS1__DDR_DQS_1            = IOMUX_PAD(0x02c4, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL_1),
+       PCM052_VF610_PAD_DDR_DQS0__DDR_DQS_0            = IOMUX_PAD(0x02c8, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL_1),
+       PCM052_VF610_PAD_DDR_RAS__DDR_RAS_B             = IOMUX_PAD(0x02cc, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_WE__DDR_WE_B               = IOMUX_PAD(0x02d0, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_ODT1__DDR_ODT_0            = IOMUX_PAD(0x02d4, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_ODT0__DDR_ODT_1            = IOMUX_PAD(0x02d8, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_DDRBYTE1__DDR_DDRBYTE1     = IOMUX_PAD(0x02dc, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+       PCM052_VF610_PAD_DDR_DDRBYTE0__DDR_DDRBYTE0     = IOMUX_PAD(0x02e0, __NA_, 0, __NA_, 0, PCM052_VF610_DDR_PAD_CTRL),
+};
+
+static struct ddrmc_cr_setting pcm052_cr_settings[] = {
+       /* not in the datasheets, but in the original code */
+       { 0x00002000, 105 },
+       { 0x00000020, 110 },
+       /* AXI */
+       { DDRMC_CR117_AXI0_W_PRI(1) | DDRMC_CR117_AXI0_R_PRI(1), 117 },
+       { DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
+       { DDRMC_CR120_AXI0_PRI1_RPRI(2) |
+                  DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
+       { DDRMC_CR121_AXI0_PRI3_RPRI(2) |
+                  DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
+       { DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
+                  DDRMC_CR122_AXI0_PRIRLX(100), 122 },
+       { DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
+                  DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
+       { DDRMC_CR124_AXI1_PRIRLX(100), 124 },
+       { DDRMC_CR126_PHY_RDLAT(11), 126 },
+       { DDRMC_CR132_WRLAT_ADJ(5) | DDRMC_CR132_RDLAT_ADJ(6), 132 },
+       { DDRMC_CR137_PHYCTL_DL(2), 137 },
+       { DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
+                  DDRMC_CR139_PHY_WRLV_DLL(3) |
+                  DDRMC_CR139_PHY_WRLV_EN(3), 139 },
+       { DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
+                  DDRMC_CR154_PAD_ZQ_MODE(1) |
+                  DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
+                  DDRMC_CR154_PAD_ZQ_HW_FOR(0), 154 },
+       { DDRMC_CR155_PAD_ODT_BYTE1(5) | DDRMC_CR155_PAD_ODT_BYTE0(5), 155 },
+       { DDRMC_CR158_TWR(6), 158 },
+       { DDRMC_CR161_ODT_EN(0) | DDRMC_CR161_TODTH_RD(0) |
+                  DDRMC_CR161_TODTH_WR(6), 161 },
+       /* end marker */
+       { 0, -1 }
+};
+
+/* PHY settings -- most of them differ from default in imx-regs.h */
+
+#define PCM052_DDRMC_PHY_DQ_TIMING                     0x00002213
+#define PCM052_DDRMC_PHY_CTRL                          0x00290000
+#define PCM052_DDRMC_PHY_SLAVE_CTRL                    0x00002c00
+#define PCM052_DDRMC_PHY_PROC_PAD_ODT                  0x00010020
+
+static struct ddrmc_phy_setting pcm052_phy_settings[] = {
+       { PCM052_DDRMC_PHY_DQ_TIMING,  0 },
+       { PCM052_DDRMC_PHY_DQ_TIMING, 16 },
+       { PCM052_DDRMC_PHY_DQ_TIMING, 32 },
+       { PCM052_DDRMC_PHY_DQ_TIMING, 48 },
+       { DDRMC_PHY_DQS_TIMING,  1 },
+       { DDRMC_PHY_DQS_TIMING, 17 },
+       { DDRMC_PHY_DQS_TIMING, 33 },
+       { DDRMC_PHY_DQS_TIMING, 49 },
+       { PCM052_DDRMC_PHY_CTRL,  2 },
+       { PCM052_DDRMC_PHY_CTRL, 18 },
+       { PCM052_DDRMC_PHY_CTRL, 34 },
+       { DDRMC_PHY_MASTER_CTRL,  3 },
+       { DDRMC_PHY_MASTER_CTRL, 19 },
+       { DDRMC_PHY_MASTER_CTRL, 35 },
+       { PCM052_DDRMC_PHY_SLAVE_CTRL,  4 },
+       { PCM052_DDRMC_PHY_SLAVE_CTRL, 20 },
+       { PCM052_DDRMC_PHY_SLAVE_CTRL, 36 },
+       { DDRMC_PHY50_DDR3_MODE | DDRMC_PHY50_EN_SW_HALF_CYCLE, 50 },
+       { PCM052_DDRMC_PHY_PROC_PAD_ODT, 52 },
+
+       /* end marker */
+       { 0, -1 }
+};
+
+int dram_init(void)
+{
+       static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+               .tinit             = 5,
+               .trst_pwron        = 80000,
+               .cke_inactive      = 200000,
+               .wrlat             = 5,
+               .caslat_lin        = 12,
+               .trc               = 6,
+               .trrd              = 4,
+               .tccd              = 4,
+               .tbst_int_interval = 4,
+               .tfaw              = 18,
+               .trp               = 6,
+               .twtr              = 4,
+               .tras_min          = 15,
+               .tmrd              = 4,
+               .trtp              = 4,
+               .tras_max          = 14040,
+               .tmod              = 12,
+               .tckesr            = 4,
+               .tcke              = 3,
+               .trcd_int          = 6,
+               .tras_lockout      = 1,
+               .tdal              = 10,
+               .bstlen            = 3,
+               .tdll              = 512,
+               .trp_ab            = 6,
+               .tref              = 1542,
+               .trfc              = 64,
+               .tref_int          = 5,
+               .tpdex             = 3,
+               .txpdll            = 10,
+               .txsnr             = 68,
+               .txsr              = 506,
+               .cksrx             = 5,
+               .cksre             = 5,
+               .freq_chg_en       = 1,
+               .zqcl              = 256,
+               .zqinit            = 512,
+               .zqcs              = 64,
+               .ref_per_zq        = 64,
+               .zqcs_rotate       = 1,
+               .aprebit           = 10,
+               .cmd_age_cnt       = 255,
+               .age_cnt           = 255,
+               .q_fullness        = 0,
+               .odt_rd_mapcs0     = 1,
+               .odt_wr_mapcs0     = 1,
+               .wlmrd             = 40,
+               .wldqsen           = 25,
+       };
+
+       static const iomux_v3_cfg_t pcm052_pads[] = {
+               PCM052_VF610_PAD_DDR_A15__DDR_A_15,
+               PCM052_VF610_PAD_DDR_A14__DDR_A_14,
+               PCM052_VF610_PAD_DDR_A13__DDR_A_13,
+               PCM052_VF610_PAD_DDR_A12__DDR_A_12,
+               PCM052_VF610_PAD_DDR_A11__DDR_A_11,
+               PCM052_VF610_PAD_DDR_A10__DDR_A_10,
+               PCM052_VF610_PAD_DDR_A9__DDR_A_9,
+               PCM052_VF610_PAD_DDR_A8__DDR_A_8,
+               PCM052_VF610_PAD_DDR_A7__DDR_A_7,
+               PCM052_VF610_PAD_DDR_A6__DDR_A_6,
+               PCM052_VF610_PAD_DDR_A5__DDR_A_5,
+               PCM052_VF610_PAD_DDR_A4__DDR_A_4,
+               PCM052_VF610_PAD_DDR_A3__DDR_A_3,
+               PCM052_VF610_PAD_DDR_A2__DDR_A_2,
+               PCM052_VF610_PAD_DDR_A1__DDR_A_1,
+               PCM052_VF610_PAD_DDR_A0__DDR_A_0,
+               PCM052_VF610_PAD_DDR_BA2__DDR_BA_2,
+               PCM052_VF610_PAD_DDR_BA1__DDR_BA_1,
+               PCM052_VF610_PAD_DDR_BA0__DDR_BA_0,
+               PCM052_VF610_PAD_DDR_CAS__DDR_CAS_B,
+               PCM052_VF610_PAD_DDR_CKE__DDR_CKE_0,
+               PCM052_VF610_PAD_DDR_CLK__DDR_CLK_0,
+               PCM052_VF610_PAD_DDR_CS__DDR_CS_B_0,
+               PCM052_VF610_PAD_DDR_D15__DDR_D_15,
+               PCM052_VF610_PAD_DDR_D14__DDR_D_14,
+               PCM052_VF610_PAD_DDR_D13__DDR_D_13,
+               PCM052_VF610_PAD_DDR_D12__DDR_D_12,
+               PCM052_VF610_PAD_DDR_D11__DDR_D_11,
+               PCM052_VF610_PAD_DDR_D10__DDR_D_10,
+               PCM052_VF610_PAD_DDR_D9__DDR_D_9,
+               PCM052_VF610_PAD_DDR_D8__DDR_D_8,
+               PCM052_VF610_PAD_DDR_D7__DDR_D_7,
+               PCM052_VF610_PAD_DDR_D6__DDR_D_6,
+               PCM052_VF610_PAD_DDR_D5__DDR_D_5,
+               PCM052_VF610_PAD_DDR_D4__DDR_D_4,
+               PCM052_VF610_PAD_DDR_D3__DDR_D_3,
+               PCM052_VF610_PAD_DDR_D2__DDR_D_2,
+               PCM052_VF610_PAD_DDR_D1__DDR_D_1,
+               PCM052_VF610_PAD_DDR_D0__DDR_D_0,
+               PCM052_VF610_PAD_DDR_DQM1__DDR_DQM_1,
+               PCM052_VF610_PAD_DDR_DQM0__DDR_DQM_0,
+               PCM052_VF610_PAD_DDR_DQS1__DDR_DQS_1,
+               PCM052_VF610_PAD_DDR_DQS0__DDR_DQS_0,
+               PCM052_VF610_PAD_DDR_RAS__DDR_RAS_B,
+               PCM052_VF610_PAD_DDR_WE__DDR_WE_B,
+               PCM052_VF610_PAD_DDR_ODT1__DDR_ODT_0,
+               PCM052_VF610_PAD_DDR_ODT0__DDR_ODT_1,
+               PCM052_VF610_PAD_DDR_DDRBYTE1__DDR_DDRBYTE1,
+               PCM052_VF610_PAD_DDR_DDRBYTE0__DDR_DDRBYTE0,
+               PCM052_VF610_PAD_DDR_RESETB,
+       };
+
+       imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+
+       ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
+                            pcm052_phy_settings, 1, 2);
+
+       gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+       return 0;
+}
+
+static void setup_iomux_uart(void)
+{
+       static const iomux_v3_cfg_t uart1_pads[] = {
+               NEW_PAD_CTRL(VF610_PAD_PTB4__UART1_TX, VF610_UART_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTB5__UART1_RX, VF610_UART_PAD_CTRL),
+       };
+
+       imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
+                       PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE)
+
+static void setup_iomux_enet(void)
+{
+       static const iomux_v3_cfg_t enet0_pads[] = {
+               NEW_PAD_CTRL(VF610_PAD_PTA6__RMII0_CLKIN, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC1__RMII0_MDIO, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC0__RMII0_MDC, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC2__RMII0_CRS_DV, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC3__RMII0_RD1, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC4__RMII0_RD0, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC5__RMII0_RXER, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC6__RMII0_TD1, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC7__RMII0_TD0, ENET_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTC8__RMII0_TXEN, ENET_PAD_CTRL),
+       };
+
+       imx_iomux_v3_setup_multiple_pads(enet0_pads, ARRAY_SIZE(enet0_pads));
+}
+
+/*
+ * I2C2 is the only I2C used, on pads PTA22/PTA23.
+ */
+
+static void setup_iomux_i2c(void)
+{
+       static const iomux_v3_cfg_t i2c_pads[] = {
+               VF610_PAD_PTA22__I2C2_SCL,
+               VF610_PAD_PTA23__I2C2_SDA,
+       };
+
+       imx_iomux_v3_setup_multiple_pads(i2c_pads, ARRAY_SIZE(i2c_pads));
+}
+
+#ifdef CONFIG_NAND_VF610_NFC
+static void setup_iomux_nfc(void)
+{
+       static const iomux_v3_cfg_t nfc_pads[] = {
+               VF610_PAD_PTD31__NF_IO15,
+               VF610_PAD_PTD30__NF_IO14,
+               VF610_PAD_PTD29__NF_IO13,
+               VF610_PAD_PTD28__NF_IO12,
+               VF610_PAD_PTD27__NF_IO11,
+               VF610_PAD_PTD26__NF_IO10,
+               VF610_PAD_PTD25__NF_IO9,
+               VF610_PAD_PTD24__NF_IO8,
+               VF610_PAD_PTD23__NF_IO7,
+               VF610_PAD_PTD22__NF_IO6,
+               VF610_PAD_PTD21__NF_IO5,
+               VF610_PAD_PTD20__NF_IO4,
+               VF610_PAD_PTD19__NF_IO3,
+               VF610_PAD_PTD18__NF_IO2,
+               VF610_PAD_PTD17__NF_IO1,
+               VF610_PAD_PTD16__NF_IO0,
+               VF610_PAD_PTB24__NF_WE_B,
+               VF610_PAD_PTB25__NF_CE0_B,
+               VF610_PAD_PTB27__NF_RE_B,
+               VF610_PAD_PTC26__NF_RB_B,
+               VF610_PAD_PTC27__NF_ALE,
+               VF610_PAD_PTC28__NF_CLE
+       };
+
+       imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads));
+}
+#endif
+
+static void setup_iomux_qspi(void)
+{
+       static const iomux_v3_cfg_t qspi0_pads[] = {
+               VF610_PAD_PTD0__QSPI0_A_QSCK,
+               VF610_PAD_PTD1__QSPI0_A_CS0,
+               VF610_PAD_PTD2__QSPI0_A_DATA3,
+               VF610_PAD_PTD3__QSPI0_A_DATA2,
+               VF610_PAD_PTD4__QSPI0_A_DATA1,
+               VF610_PAD_PTD5__QSPI0_A_DATA0,
+               VF610_PAD_PTD7__QSPI0_B_QSCK,
+               VF610_PAD_PTD8__QSPI0_B_CS0,
+               VF610_PAD_PTD9__QSPI0_B_DATA3,
+               VF610_PAD_PTD10__QSPI0_B_DATA2,
+               VF610_PAD_PTD11__QSPI0_B_DATA1,
+               VF610_PAD_PTD12__QSPI0_B_DATA0,
+       };
+
+       imx_iomux_v3_setup_multiple_pads(qspi0_pads, ARRAY_SIZE(qspi0_pads));
+}
+
+#define ESDHC_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_HIGH | \
+                       PAD_CTL_DSE_20ohm | PAD_CTL_OBE_IBE_ENABLE)
+
+struct fsl_esdhc_cfg esdhc_cfg[1] = {
+       {ESDHC1_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+       /* eSDHC1 is always present */
+       return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+       static const iomux_v3_cfg_t esdhc1_pads[] = {
+               NEW_PAD_CTRL(VF610_PAD_PTA24__ESDHC1_CLK, ESDHC_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTA25__ESDHC1_CMD, ESDHC_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTA26__ESDHC1_DAT0, ESDHC_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTA27__ESDHC1_DAT1, ESDHC_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTA28__ESDHC1_DAT2, ESDHC_PAD_CTRL),
+               NEW_PAD_CTRL(VF610_PAD_PTA29__ESDHC1_DAT3, ESDHC_PAD_CTRL),
+       };
+
+       esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+
+       imx_iomux_v3_setup_multiple_pads(
+               esdhc1_pads, ARRAY_SIZE(esdhc1_pads));
+
+       return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+}
+
+static void clock_init(void)
+{
+       struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+       struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
+
+       clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
+                       CCM_CCGR0_UART1_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
+                       CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
+                       CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
+                       CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
+                       CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK |
+                       CCM_CCGR2_QSPI0_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
+                       CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
+                       CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
+                       CCM_CCGR4_GPC_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
+                       CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
+                       CCM_CCGR7_SDHC1_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
+                       CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
+       clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
+                       CCM_CCGR10_NFC_CTRL_MASK | CCM_CCGR10_I2C2_CTRL_MASK);
+
+       clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL2_CTRL_POWERDOWN,
+                       ANADIG_PLL2_CTRL_ENABLE | ANADIG_PLL2_CTRL_DIV_SELECT);
+       clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
+                       ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
+
+       clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
+                       CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
+       clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK,
+                       CCM_CCSR_PLL1_PFD_CLK_SEL(3) | CCM_CCSR_PLL2_PFD4_EN |
+                       CCM_CCSR_PLL2_PFD3_EN | CCM_CCSR_PLL2_PFD2_EN |
+                       CCM_CCSR_PLL2_PFD1_EN | CCM_CCSR_PLL1_PFD4_EN |
+                       CCM_CCSR_PLL1_PFD3_EN | CCM_CCSR_PLL1_PFD2_EN |
+                       CCM_CCSR_PLL1_PFD1_EN | CCM_CCSR_DDRC_CLK_SEL(1) |
+                       CCM_CCSR_FAST_CLK_SEL(1) | CCM_CCSR_SYS_CLK_SEL(4));
+       clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
+                       CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
+                       CCM_CACRR_ARM_CLK_DIV(0));
+       clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
+                       CCM_CSCMR1_ESDHC1_CLK_SEL(3) |
+                       CCM_CSCMR1_QSPI0_CLK_SEL(3) |
+                       CCM_CSCMR1_NFC_CLK_SEL(0));
+       clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
+                       CCM_CSCDR1_RMII_CLK_EN);
+       clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
+                       CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
+                       CCM_CSCDR2_NFC_EN);
+       clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
+                       CCM_CSCDR3_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) |
+                       CCM_CSCDR3_QSPI0_X2_DIV(1) |
+                       CCM_CSCDR3_QSPI0_X4_DIV(3) |
+                       CCM_CSCDR3_NFC_PRE_DIV(5));
+       clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
+                       CCM_CSCMR2_RMII_CLK_SEL(0));
+}
+
+static void mscm_init(void)
+{
+       struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
+       int i;
+
+       for (i = 0; i < MSCM_IRSPRC_NUM; i++)
+               writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+       if (phydev->drv->config)
+               phydev->drv->config(phydev);
+
+       return 0;
+}
+
+int board_early_init_f(void)
+{
+       clock_init();
+       mscm_init();
+       setup_iomux_uart();
+       setup_iomux_enet();
+       setup_iomux_i2c();
+       setup_iomux_qspi();
+       setup_iomux_nfc();
+
+       return 0;
+}
+
+int board_init(void)
+{
+       struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
+
+       /* address of boot parameters */
+       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+       /*
+        * Enable external 32K Oscillator
+        *
+        * The internal clock experiences significant drift
+        * so we must use the external oscillator in order
+        * to maintain correct time in the hwclock
+        */
+       setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
+
+       return 0;
+}
+
+int checkboard(void)
+{
+       puts("Board: PCM-052\n");
+
+       return 0;
+}
diff --git a/configs/pcm052_defconfig b/configs/pcm052_defconfig
new file mode 100644 (file)
index 0000000..e8dc402
--- /dev/null
@@ -0,0 +1,6 @@
+CONFIG_ARM=y
+CONFIG_TARGET_PCM052=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/phytec/pcm052/imximage.cfg,ENV_IS_IN_NAND"
+CONFIG_NAND_VF610_NFC=y
+CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
+CONFIG_SYS_NAND_VF610_NFC_45_ECC_BYTES=y
diff --git a/include/configs/pcm052.h b/include/configs/pcm052.h
new file mode 100644 (file)
index 0000000..903f94c
--- /dev/null
@@ -0,0 +1,231 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the phytec PCM-052 SoM.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_VF610
+
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_SYS_THUMB_BUILD
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+/* Enable passing of ATAGs */
+#define CONFIG_CMDLINE_TAG
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + 2 * 1024 * 1024)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_FSL_LPUART
+#define LPUART_BASE                    UART1_BASE
+
+/* Allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_SYS_UART_PORT           (1)
+#define CONFIG_BAUDRATE                        115200
+
+#undef CONFIG_CMD_IMLS
+
+/* NAND support */
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_NAND_TRIMFFS
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_USE_ARCH_MEMCPY
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           NFC_BASE_ADDR
+
+#define CONFIG_JFFS2_NAND
+
+/* UBI */
+#define CONFIG_CMD_UBI
+#define CONFIG_CMD_UBIFS
+#define CONFIG_RBTREE
+#define CONFIG_LZO
+
+/* Dynamic MTD partition support */
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define MTDIDS_DEFAULT                 "nand0=NAND,nor0=qspi0-a,nor1=qspi0-b"
+#define MTDPARTS_DEFAULT               "mtdparts=NAND:256k(spare)"\
+                                       ",384k(bootloader)"\
+                                       ",128k(env1)"\
+                                       ",128k(env2)"\
+                                       ",3840k(kernel)"\
+                                       ",-(rootfs)"\
+                                       ",qspi0-a:-(jffs2),qspio0-b:-(jffs2)"
+#endif
+
+#define CONFIG_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR      0
+#define CONFIG_SYS_FSL_ESDHC_NUM       1
+
+/*#define CONFIG_ESDHC_DETECT_USE_EXTERN_IRQ1*/
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC135
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
+
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_FEC_MXC
+#define CONFIG_MII
+#define IMX_FEC_BASE                   ENET_BASE_ADDR
+#define CONFIG_FEC_XCV_TYPE            RMII
+#define CONFIG_FEC_MXC_PHYADDR          0
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL
+
+/* QSPI Configs*/
+#define CONFIG_FSL_QSPI
+
+#ifdef CONFIG_FSL_QSPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_STMICRO
+#define FSL_QSPI_FLASH_SIZE            (1 << 24)
+#define FSL_QSPI_FLASH_NUM             2
+#define CONFIG_SYS_FSL_QSPI_LE
+#endif
+
+/* I2C Configs */
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC_I2C3
+#define CONFIG_SYS_I2C_MXC
+
+/* RTC (actually an RV-4162 but M41T62-compatible) */
+#define CONFIG_CMD_DATE
+#define CONFIG_RTC_M41T62
+#define CONFIG_SYS_I2C_RTC_ADDR 0x68
+#define CONFIG_SYS_RTC_BUS_NUM 2
+
+/* EEPROM (24FC256) */
+#define CONFIG_CMD_EEPROM
+#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
+#define CONFIG_SYS_I2C_EEPROM_BUS 2
+
+#define CONFIG_BOOTDELAY               3
+
+#define CONFIG_LOADADDR                        0x82000000
+
+/* We boot from the gfxRAM area of the OCRAM. */
+#define CONFIG_SYS_TEXT_BASE           0x3f408000
+#define CONFIG_BOARD_SIZE_LIMIT                524288
+
+#define CONFIG_BOOTCOMMAND              "run bootcmd_sd"
+#define CONFIG_EXTRA_ENV_SETTINGS                                       \
+       "bootfile=uImage\0"                             \
+       "bootargs_base=setenv bootargs rw mem=256M "                    \
+               "console=ttymxc1,115200n8\0"            \
+       "bootargs_sd=setenv bootargs ${bootargs} "                      \
+               "root=/dev/mmcblk0p2 rootwait\0"        \
+       "bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \
+               "nfsroot=${serverip}:${nfs_root},v3,tcp\0"              \
+       "bootargs_nand=setenv bootargs ${bootargs} "                    \
+               "root=/dev/mtdblock2 rootfstype=jffs2\0"                \
+       "bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0"        \
+       "bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; mmc rescan; " \
+               "fatload mmc 0:1 ${loadaddr} ${bootfile}; bootm ${loadaddr}\0" \
+       "bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; "     \
+               "tftpboot ${loadaddr} ${tftploc}${bootfile}; bootm\0"   \
+       "bootcmd_nand='run bootargs_base bootargs_nand bootargs_mtd; "  \
+               "nand read ${loadaddr} 0x000E0000 0x3C0000; "           \
+               "bootm ${loadaddr}\0"                                   \
+       "tftploc=/path/to/tftp/directory/\0"                            \
+       "nfs_root=/path/to/nfs/root\0"                                  \
+       "mtdparts=" MTDPARTS_DEFAULT "\0"                               \
+       "update_kernel_from_sd=mw.b $(loadaddr) 0xff 0x3C0000; "        \
+               "mmc rescan; fatload mmc 0:2 ${loadaddr} ${bootfile}; " \
+               "nand erase 0xE0000 0x3C0000; "                         \
+               "nand write.i ${loadaddr} 0xE0000 0x3C0000\0"           \
+       "update_rootfs_from_tftp=mw.b ${loadaddr} 0xff 0x8F20000; "     \
+               "tftp ${loadaddr} ${tftp}${filesys}; "                  \
+               "nand erase 0x4A0000 0x8F20000; "                       \
+               "nand write.i ${loadaddr} 0x4A0000 0x8F20000\0"         \
+       "filesys=rootfs.jffs2\0"
+
+/* miscellaneous commands */
+#define CONFIG_CMD_ELF
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LONGHELP            /* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER         /* use "hush" command parser */
+#define CONFIG_SYS_PROMPT_HUSH_PS2     "> "
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_CBSIZE              256     /* Console I/O Buffer Size */
+#define CONFIG_SYS_PBSIZE              \
+                       (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS             16      /* max number of command args */
+#define CONFIG_SYS_BARGSIZE            CONFIG_SYS_CBSIZE
+
+#define CONFIG_CMD_MEMTEST
+#define CONFIG_SYS_MEMTEST_START       0x80010000
+#define CONFIG_SYS_MEMTEST_END         0x87C00000
+
+#define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
+
+/*
+ * Stack sizes
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE               (128 * 1024)    /* regular stack */
+
+/* Physical memory map */
+#define CONFIG_NR_DRAM_BANKS           1
+#define PHYS_SDRAM                     (0x80000000)
+#define PHYS_SDRAM_SIZE                        (256 * 1024 * 1024)
+
+#define CONFIG_SYS_SDRAM_BASE          PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR       IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE       IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+       (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+       (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* FLASH and environment organization */
+#define CONFIG_SYS_NO_FLASH
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_SIZE                        (8 * 1024)
+
+#define CONFIG_ENV_OFFSET              (12 * 64 * 1024)
+#define CONFIG_SYS_MMC_ENV_DEV         0
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_SECT_SIZE           (128 * 1024)
+#define CONFIG_ENV_SIZE                        (8 * 1024)
+#define CONFIG_ENV_OFFSET              0x80000
+#define CONFIG_ENV_SIZE_REDUND         (8 * 1024)
+#define CONFIG_ENV_OFFSET_REDUND       0xA0000
+#endif
+
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMD_BOOTZ
+
+#endif