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authorTom Rini <trini@konsulko.com>2017-08-19 01:24:08 +0300
committerTom Rini <trini@konsulko.com>2017-08-19 01:24:08 +0300
commita6dd10c70be9be863488d9d7afede057a4d99823 (patch)
treeeecb41d497e192080b309a0f3692557c698f3c5a
parent804f1d9938ddbf65848bd9c8868005b8d083a8d1 (diff)
parenta373024e7f70a04b7fed1c11be1fcd50fc21aac2 (diff)
downloadu-boot-a6dd10c70be9be863488d9d7afede057a4d99823.tar.xz
Merge branch 'master' of git://git.denx.de/u-boot-coldfire
-rw-r--r--arch/m68k/Kconfig5
-rw-r--r--arch/m68k/cpu/mcf5445x/cpu_init.c2
-rw-r--r--arch/m68k/cpu/mcf5445x/start.S184
-rw-r--r--arch/m68k/lib/cache.c25
-rw-r--r--board/freescale/m54418twr/Makefile2
-rw-r--r--board/freescale/m54418twr/sbf_dram_init.S86
-rw-r--r--board/freescale/m54451evb/Makefile1
-rw-r--r--board/freescale/m54451evb/sbf_dram_init.S97
-rw-r--r--board/freescale/m54455evb/Makefile1
-rw-r--r--board/freescale/m54455evb/sbf_dram_init.S101
-rw-r--r--board/sysam/stmark2/Kconfig15
-rw-r--r--board/sysam/stmark2/MAINTAINERS6
-rw-r--r--board/sysam/stmark2/Makefile8
-rw-r--r--board/sysam/stmark2/sbf_dram_init.S119
-rw-r--r--board/sysam/stmark2/stmark2.c47
-rw-r--r--configs/stmark2_defconfig26
-rw-r--r--include/configs/M54418TWR.h2
-rw-r--r--include/configs/M54451EVB.h2
-rw-r--r--include/configs/M54455EVB.h2
-rw-r--r--include/configs/stmark2.h199
-rw-r--r--scripts/config_whitelist.txt1
21 files changed, 747 insertions, 184 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 26509b73c6..42fb91539a 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -200,6 +200,10 @@ config TARGET_AMCORE
bool "Support AMCORE"
select M5307
+config TARGET_STMARK2
+ bool "Support stmark2"
+ select M54418
+
endchoice
source "board/BuS/eb_cpu5282/Kconfig"
@@ -223,5 +227,6 @@ source "board/freescale/m54455evb/Kconfig"
source "board/freescale/m547xevb/Kconfig"
source "board/freescale/m548xevb/Kconfig"
source "board/sysam/amcore/Kconfig"
+source "board/sysam/stmark2/Kconfig"
endmenu
diff --git a/arch/m68k/cpu/mcf5445x/cpu_init.c b/arch/m68k/cpu/mcf5445x/cpu_init.c
index b4a8eefa94..5d2b116be1 100644
--- a/arch/m68k/cpu/mcf5445x/cpu_init.c
+++ b/arch/m68k/cpu/mcf5445x/cpu_init.c
@@ -205,6 +205,7 @@ void cpu_init_f(void)
/* FlexBus Chipselect */
init_fbcs();
+#ifdef CONFIG_SYS_CS0_BASE
/*
* now the flash base address is no longer at 0 (Newer ColdFire family
* boot at address 0 instead of 0xFFnn_nnnn). The vector table must
@@ -212,6 +213,7 @@ void cpu_init_f(void)
*/
if (CONFIG_SYS_CS0_BASE != 0)
setvbr(CONFIG_SYS_CS0_BASE);
+#endif
icache_enable();
}
diff --git a/arch/m68k/cpu/mcf5445x/start.S b/arch/m68k/cpu/mcf5445x/start.S
index 0487d84a2f..4c09489bcb 100644
--- a/arch/m68k/cpu/mcf5445x/start.S
+++ b/arch/m68k/cpu/mcf5445x/start.S
@@ -159,6 +159,7 @@ asm_dram_init:
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
clr.l %sp@-
+#ifdef CONFIG_SYS_CS0_BASE
/* Must disable global address */
move.l #0xFC008000, %a1
move.l #(CONFIG_SYS_CS0_BASE), (%a1)
@@ -166,6 +167,7 @@ asm_dram_init:
move.l #(CONFIG_SYS_CS0_CTRL), (%a1)
move.l #0xFC008004, %a1
move.l #(CONFIG_SYS_CS0_MASK), (%a1)
+#endif
#endif /* CONFIG_CF_SBF */
#ifdef CONFIG_MCF5441x
@@ -176,177 +178,12 @@ asm_dram_init:
#if defined(CONFIG_CF_SBF)
move.b #23, (%a1) /* dspi */
#endif
- move.b #46, (%a1) /* DDR */
-
- /* slew settings */
- move.l #0xEC094060, %a1
- move.b #0, (%a1)
-
- /* use vco instead of cpu*2 clock for ddr clock */
- move.l #0xEC09001A, %a1
- move.w #0xE01D, (%a1)
-
- /* DDR settings */
- move.l #0xFC0B8180, %a1
- move.l #0x00000000, (%a1)
- move.l #0x40000000, (%a1)
-
- move.l #0xFC0B81AC, %a1
- move.l #0x01030203, (%a1)
-
- move.l #0xFC0B8000, %a1
- move.l #0x01010101, (%a1)+ /* 0x00 */
- move.l #0x00000101, (%a1)+ /* 0x04 */
- move.l #0x01010100, (%a1)+ /* 0x08 */
- move.l #0x01010000, (%a1)+ /* 0x0C */
- move.l #0x00010101, (%a1)+ /* 0x10 */
- move.l #0xFC0B8018, %a1
- move.l #0x00010100, (%a1)+ /* 0x18 */
- move.l #0x00000001, (%a1)+ /* 0x1C */
- move.l #0x01000001, (%a1)+ /* 0x20 */
- move.l #0x00000100, (%a1)+ /* 0x24 */
- move.l #0x00010001, (%a1)+ /* 0x28 */
- move.l #0x00000200, (%a1)+ /* 0x2C */
- move.l #0x01000002, (%a1)+ /* 0x30 */
- move.l #0x00000000, (%a1)+ /* 0x34 */
- move.l #0x00000100, (%a1)+ /* 0x38 */
- move.l #0x02000100, (%a1)+ /* 0x3C */
- move.l #0x02000407, (%a1)+ /* 0x40 */
- move.l #0x02030007, (%a1)+ /* 0x44 */
- move.l #0x02000100, (%a1)+ /* 0x48 */
- move.l #0x0A030203, (%a1)+ /* 0x4C */
- move.l #0x00020708, (%a1)+ /* 0x50 */
- move.l #0x00050008, (%a1)+ /* 0x54 */
- move.l #0x04030002, (%a1)+ /* 0x58 */
- move.l #0x00000004, (%a1)+ /* 0x5C */
- move.l #0x020A0000, (%a1)+ /* 0x60 */
- move.l #0x0C00000E, (%a1)+ /* 0x64 */
- move.l #0x00002004, (%a1)+ /* 0x68 */
- move.l #0x00000000, (%a1)+ /* 0x6C */
- move.l #0x00100010, (%a1)+ /* 0x70 */
- move.l #0x00100010, (%a1)+ /* 0x74 */
- move.l #0x00000000, (%a1)+ /* 0x78 */
- move.l #0x07990000, (%a1)+ /* 0x7C */
- move.l #0xFC0B80A0, %a1
- move.l #0x00000000, (%a1)+ /* 0xA0 */
- move.l #0x00C80064, (%a1)+ /* 0xA4 */
- move.l #0x44520002, (%a1)+ /* 0xA8 */
- move.l #0x00C80023, (%a1)+ /* 0xAC */
- move.l #0xFC0B80B4, %a1
- move.l #0x0000C350, (%a1) /* 0xB4 */
- move.l #0xFC0B80E0, %a1
- move.l #0x04000000, (%a1)+ /* 0xE0 */
- move.l #0x03000304, (%a1)+ /* 0xE4 */
- move.l #0x40040000, (%a1)+ /* 0xE8 */
- move.l #0xC0004004, (%a1)+ /* 0xEC */
- move.l #0x0642C000, (%a1)+ /* 0xF0 */
- move.l #0x00000642, (%a1)+ /* 0xF4 */
- move.l #0xFC0B8024, %a1
- tpf
- move.l #0x01000100, (%a1) /* 0x24 */
-
- move.l #0x2000, %d1
- jsr asm_delay
-#endif /* CONFIG_MCF5441x */
-
-#ifdef CONFIG_MCF5445x
- /* Dram Initialization a1, a2, and d0 */
- /* mscr sdram */
- move.l #0xFC0A4074, %a1
- move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
- nop
-
- /* SDRAM Chip 0 and 1 */
- move.l #0xFC0B8110, %a1
- move.l #0xFC0B8114, %a2
-
- /* calculate the size */
- move.l #0x13, %d1
- move.l #(CONFIG_SYS_SDRAM_SIZE), %d2
-#ifdef CONFIG_SYS_SDRAM_BASE1
- lsr.l #1, %d2
-#endif
-
-dramsz_loop:
- lsr.l #1, %d2
- add.l #1, %d1
- cmp.l #1, %d2
- bne dramsz_loop
-#ifdef CONFIG_SYS_NAND_BOOT
- beq asm_nand_chk_status
-#endif
- /* SDRAM Chip 0 and 1 */
- move.l #(CONFIG_SYS_SDRAM_BASE), (%a1)
- or.l %d1, (%a1)
-#ifdef CONFIG_SYS_SDRAM_BASE1
- move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2)
- or.l %d1, (%a2)
-#endif
- nop
+#endif /* CONFIG_MCF5441x */
- /* dram cfg1 and cfg2 */
- move.l #0xFC0B8008, %a1
- move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1)
- nop
- move.l #0xFC0B800C, %a2
- move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2)
- nop
-
- move.l #0xFC0B8000, %a1 /* Mode */
- move.l #0xFC0B8004, %a2 /* Ctrl */
-
- /* Issue PALL */
- move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
- nop
-
-#ifdef CONFIG_M54455EVB
- /* Issue LEMR */
- move.l #(CONFIG_SYS_SDRAM_EMOD + 0x408), (%a1)
- nop
- move.l #(CONFIG_SYS_SDRAM_MODE + 0x300), (%a1)
- nop
-#endif
-
- move.l #1000, %d1
- jsr asm_delay
-
- /* Issue PALL */
- move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
- nop
-
- /* Perform two refresh cycles */
- move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0
- nop
- move.l %d0, (%a2)
- move.l %d0, (%a2)
- nop
-
-#ifdef CONFIG_M54455EVB
- move.l #(CONFIG_SYS_SDRAM_MODE + 0x200), (%a1)
- nop
-#elif defined(CONFIG_M54451EVB)
- /* Issue LEMR */
- move.l #(CONFIG_SYS_SDRAM_MODE), (%a1)
- nop
- move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1)
-#endif
-
- move.l #500, %d1
- jsr asm_delay
-
- move.l #(CONFIG_SYS_SDRAM_CTRL), %d1
- and.l #0x7FFFFFFF, %d1
-#ifdef CONFIG_M54455EVB
- or.l #0x10000C00, %d1
-#elif defined(CONFIG_M54451EVB)
- or.l #0x10000C00, %d1
-#endif
- move.l %d1, (%a2)
- nop
-
- move.l #2000, %d1
- jsr asm_delay
-#endif /* CONFIG_MCF5445x */
+ /* mandatory board level ddr-sdram init,
+ * for both 5441x and 5445x
+ */
+ bsr sbf_dram_init
#ifdef CONFIG_CF_SBF
/*
@@ -507,6 +344,7 @@ asm_nand_init:
movec %d0, %ACR2
movec %d0, %ACR3
+#ifdef CONFIG_SYS_CS0_BASE
/* Must disable global address */
move.l #0xFC008000, %a1
move.l #(CONFIG_SYS_CS0_BASE), (%a1)
@@ -514,6 +352,7 @@ asm_nand_init:
move.l #(CONFIG_SYS_CS0_CTRL), (%a1)
move.l #0xFC008004, %a1
move.l #(CONFIG_SYS_CS0_MASK), (%a1)
+#endif
/* NAND port configuration */
move.l #0xEC094048, %a1
@@ -537,7 +376,7 @@ asm_nand_init:
move.l #0x000e0000, (%a1)
move.l #0x2000, %d1
- jsr asm_delay
+ bsr asm_delay
/* setup nand */
move.l #0xFC0FFF00, %a1
@@ -565,7 +404,7 @@ asm_nand_read:
move.l %d0, (%a0)
move.l #0x200, %d1
- jsr asm_delay
+ bsr asm_delay
asm_nand_chk_status:
move.l #0xFC0FFF38, %a4 /* isr */
@@ -595,6 +434,7 @@ asm_nand_copy:
#endif /* CONFIG_SYS_NAND_BOOT */
+.globl asm_delay
asm_delay:
nop
subq.l #1, %d1
diff --git a/arch/m68k/lib/cache.c b/arch/m68k/lib/cache.c
index ace791beb1..a8a292b77e 100644
--- a/arch/m68k/lib/cache.c
+++ b/arch/m68k/lib/cache.c
@@ -33,12 +33,13 @@ void icache_enable(void)
*cf_icache_status = 1;
-#ifdef CONFIG_CF_V4
+#if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr2"::"r"(CONFIG_SYS_CACHE_ACR2));
__asm__ __volatile__("movec %0, %%acr3"::"r"(CONFIG_SYS_CACHE_ACR3));
-#elif defined(CONFIG_CF_V4e)
+#if defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr6"::"r"(CONFIG_SYS_CACHE_ACR6));
__asm__ __volatile__("movec %0, %%acr7"::"r"(CONFIG_SYS_CACHE_ACR7));
+#endif
#else
__asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0));
__asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1));
@@ -54,16 +55,16 @@ void icache_disable(void)
*cf_icache_status = 0;
icache_invalid();
-#ifdef CONFIG_CF_V4
+#if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr2"::"r"(temp));
__asm__ __volatile__("movec %0, %%acr3"::"r"(temp));
-#elif defined(CONFIG_CF_V4e)
+#if defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr6"::"r"(temp));
__asm__ __volatile__("movec %0, %%acr7"::"r"(temp));
+#endif
#else
__asm__ __volatile__("movec %0, %%acr0"::"r"(temp));
__asm__ __volatile__("movec %0, %%acr1"::"r"(temp));
-
#endif
}
@@ -87,13 +88,13 @@ void dcache_enable(void)
dcache_invalid();
*cf_dcache_status = 1;
-#ifdef CONFIG_CF_V4
+#if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0));
__asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1));
-#elif defined(CONFIG_CF_V4e)
+#if defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr4"::"r"(CONFIG_SYS_CACHE_ACR4));
__asm__ __volatile__("movec %0, %%acr5"::"r"(CONFIG_SYS_CACHE_ACR5));
-
+#endif
#endif
__asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_DCACR));
@@ -108,19 +109,19 @@ void dcache_disable(void)
__asm__ __volatile__("movec %0, %%cacr"::"r"(temp));
-#ifdef CONFIG_CF_V4
+#if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr0"::"r"(temp));
__asm__ __volatile__("movec %0, %%acr1"::"r"(temp));
-#elif defined(CONFIG_CF_V4e)
+#if defined(CONFIG_CF_V4E)
__asm__ __volatile__("movec %0, %%acr4"::"r"(temp));
__asm__ __volatile__("movec %0, %%acr5"::"r"(temp));
-
+#endif
#endif
}
void dcache_invalid(void)
{
-#ifdef CONFIG_CF_V4
+#if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E)
u32 temp;
temp = CONFIG_SYS_DCACHE_INV;
diff --git a/board/freescale/m54418twr/Makefile b/board/freescale/m54418twr/Makefile
index 371c04abe8..4ef1e5aee9 100644
--- a/board/freescale/m54418twr/Makefile
+++ b/board/freescale/m54418twr/Makefile
@@ -5,3 +5,5 @@
#
obj-y = m54418twr.o
+extra-y += sbf_dram_init.o
+
diff --git a/board/freescale/m54418twr/sbf_dram_init.S b/board/freescale/m54418twr/sbf_dram_init.S
new file mode 100644
index 0000000000..7f25793fe3
--- /dev/null
+++ b/board/freescale/m54418twr/sbf_dram_init.S
@@ -0,0 +1,86 @@
+/*
+ * Board-specific sbf ddr/sdram init.
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+.global sbf_dram_init
+.text
+
+sbf_dram_init:
+ move.l #0xFC04002D, %a1
+ move.b #46, (%a1) /* DDR */
+
+ /* slew settings */
+ move.l #0xEC094060, %a1
+ move.b #0, (%a1)
+
+ /* use vco instead of cpu*2 clock for ddr clock */
+ move.l #0xEC09001A, %a1
+ move.w #0xE01D, (%a1)
+
+ /* DDR settings */
+ move.l #0xFC0B8180, %a1
+ move.l #0x00000000, (%a1)
+ move.l #0x40000000, (%a1)
+
+ move.l #0xFC0B81AC, %a1
+ move.l #0x01030203, (%a1)
+
+ move.l #0xFC0B8000, %a1
+ move.l #0x01010101, (%a1)+ /* 0x00 */
+ move.l #0x00000101, (%a1)+ /* 0x04 */
+ move.l #0x01010100, (%a1)+ /* 0x08 */
+ move.l #0x01010000, (%a1)+ /* 0x0C */
+ move.l #0x00010101, (%a1)+ /* 0x10 */
+ move.l #0xFC0B8018, %a1
+ move.l #0x00010100, (%a1)+ /* 0x18 */
+ move.l #0x00000001, (%a1)+ /* 0x1C */
+ move.l #0x01000001, (%a1)+ /* 0x20 */
+ move.l #0x00000100, (%a1)+ /* 0x24 */
+ move.l #0x00010001, (%a1)+ /* 0x28 */
+ move.l #0x00000200, (%a1)+ /* 0x2C */
+ move.l #0x01000002, (%a1)+ /* 0x30 */
+ move.l #0x00000000, (%a1)+ /* 0x34 */
+ move.l #0x00000100, (%a1)+ /* 0x38 */
+ move.l #0x02000100, (%a1)+ /* 0x3C */
+ move.l #0x02000407, (%a1)+ /* 0x40 */
+ move.l #0x02030007, (%a1)+ /* 0x44 */
+ move.l #0x02000100, (%a1)+ /* 0x48 */
+ move.l #0x0A030203, (%a1)+ /* 0x4C */
+ move.l #0x00020708, (%a1)+ /* 0x50 */
+ move.l #0x00050008, (%a1)+ /* 0x54 */
+ move.l #0x04030002, (%a1)+ /* 0x58 */
+ move.l #0x00000004, (%a1)+ /* 0x5C */
+ move.l #0x020A0000, (%a1)+ /* 0x60 */
+ move.l #0x0C00000E, (%a1)+ /* 0x64 */
+ move.l #0x00002004, (%a1)+ /* 0x68 */
+ move.l #0x00000000, (%a1)+ /* 0x6C */
+ move.l #0x00100010, (%a1)+ /* 0x70 */
+ move.l #0x00100010, (%a1)+ /* 0x74 */
+ move.l #0x00000000, (%a1)+ /* 0x78 */
+ move.l #0x07990000, (%a1)+ /* 0x7C */
+ move.l #0xFC0B80A0, %a1
+ move.l #0x00000000, (%a1)+ /* 0xA0 */
+ move.l #0x00C80064, (%a1)+ /* 0xA4 */
+ move.l #0x44520002, (%a1)+ /* 0xA8 */
+ move.l #0x00C80023, (%a1)+ /* 0xAC */
+ move.l #0xFC0B80B4, %a1
+ move.l #0x0000C350, (%a1) /* 0xB4 */
+ move.l #0xFC0B80E0, %a1
+ move.l #0x04000000, (%a1)+ /* 0xE0 */
+ move.l #0x03000304, (%a1)+ /* 0xE4 */
+ move.l #0x40040000, (%a1)+ /* 0xE8 */
+ move.l #0xC0004004, (%a1)+ /* 0xEC */
+ move.l #0x0642C000, (%a1)+ /* 0xF0 */
+ move.l #0x00000642, (%a1)+ /* 0xF4 */
+ move.l #0xFC0B8024, %a1
+ tpf
+ move.l #0x01000100, (%a1) /* 0x24 */
+
+ move.l #0x2000, %d1
+ bsr asm_delay
+
+ rts
diff --git a/board/freescale/m54451evb/Makefile b/board/freescale/m54451evb/Makefile
index 700ea2a74c..ec4956b8d6 100644
--- a/board/freescale/m54451evb/Makefile
+++ b/board/freescale/m54451evb/Makefile
@@ -6,3 +6,4 @@
#
obj-y = m54451evb.o
+extra-y += sbf_dram_init.o
diff --git a/board/freescale/m54451evb/sbf_dram_init.S b/board/freescale/m54451evb/sbf_dram_init.S
new file mode 100644
index 0000000000..f8da3584fe
--- /dev/null
+++ b/board/freescale/m54451evb/sbf_dram_init.S
@@ -0,0 +1,97 @@
+/*
+ * Board-specific sbf ddr/sdram init.
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+ #include <config.h>
+
+.global sbf_dram_init
+.text
+
+sbf_dram_init:
+ /* Dram Initialization a1, a2, and d0 */
+ /* mscr sdram */
+ move.l #0xFC0A4074, %a1
+ move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
+ nop
+
+ /* SDRAM Chip 0 and 1 */
+ move.l #0xFC0B8110, %a1
+ move.l #0xFC0B8114, %a2
+
+ /* calculate the size */
+ move.l #0x13, %d1
+ move.l #(CONFIG_SYS_SDRAM_SIZE), %d2
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ lsr.l #1, %d2
+#endif
+
+dramsz_loop:
+ lsr.l #1, %d2
+ add.l #1, %d1
+ cmp.l #1, %d2
+ bne dramsz_loop
+#ifdef CONFIG_SYS_NAND_BOOT
+ beq asm_nand_chk_status
+#endif
+ /* SDRAM Chip 0 and 1 */
+ move.l #(CONFIG_SYS_SDRAM_BASE), (%a1)
+ or.l %d1, (%a1)
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2)
+ or.l %d1, (%a2)
+#endif
+ nop
+
+ /* dram cfg1 and cfg2 */
+ move.l #0xFC0B8008, %a1
+ move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1)
+ nop
+ move.l #0xFC0B800C, %a2
+ move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2)
+ nop
+
+ move.l #0xFC0B8000, %a1 /* Mode */
+ move.l #0xFC0B8004, %a2 /* Ctrl */
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ move.l #1000, %d1
+ bsr asm_delay
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ /* Perform two refresh cycles */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0
+ nop
+ move.l %d0, (%a2)
+ move.l %d0, (%a2)
+ nop
+
+ /* Issue LEMR */
+ move.l #(CONFIG_SYS_SDRAM_MODE), (%a1)
+ nop
+ move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1)
+
+ move.l #500, %d1
+ bsr asm_delay
+
+ move.l #(CONFIG_SYS_SDRAM_CTRL), %d1
+ and.l #0x7FFFFFFF, %d1
+
+ or.l #0x10000C00, %d1
+
+ move.l %d1, (%a2)
+ nop
+
+ move.l #2000, %d1
+ bsr asm_delay
+
+ rts
diff --git a/board/freescale/m54455evb/Makefile b/board/freescale/m54455evb/Makefile
index 1c775fadb8..ecbc3ca044 100644
--- a/board/freescale/m54455evb/Makefile
+++ b/board/freescale/m54455evb/Makefile
@@ -6,3 +6,4 @@
#
obj-y = m54455evb.o
+extra-y += sbf_dram_init.o
diff --git a/board/freescale/m54455evb/sbf_dram_init.S b/board/freescale/m54455evb/sbf_dram_init.S
new file mode 100644
index 0000000000..2bf95a93a7
--- /dev/null
+++ b/board/freescale/m54455evb/sbf_dram_init.S
@@ -0,0 +1,101 @@
+/*
+ * Board-specific sbf ddr/sdram init.
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+ #include <config.h>
+
+.global sbf_dram_init
+.text
+
+sbf_dram_init:
+ /* Dram Initialization a1, a2, and d0 */
+ /* mscr sdram */
+ move.l #0xFC0A4074, %a1
+ move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
+ nop
+
+ /* SDRAM Chip 0 and 1 */
+ move.l #0xFC0B8110, %a1
+ move.l #0xFC0B8114, %a2
+
+ /* calculate the size */
+ move.l #0x13, %d1
+ move.l #(CONFIG_SYS_SDRAM_SIZE), %d2
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ lsr.l #1, %d2
+#endif
+
+dramsz_loop:
+ lsr.l #1, %d2
+ add.l #1, %d1
+ cmp.l #1, %d2
+ bne dramsz_loop
+#ifdef CONFIG_SYS_NAND_BOOT
+ beq asm_nand_chk_status
+#endif
+ /* SDRAM Chip 0 and 1 */
+ move.l #(CONFIG_SYS_SDRAM_BASE), (%a1)
+ or.l %d1, (%a1)
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2)
+ or.l %d1, (%a2)
+#endif
+ nop
+
+ /* dram cfg1 and cfg2 */
+ move.l #0xFC0B8008, %a1
+ move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1)
+ nop
+ move.l #0xFC0B800C, %a2
+ move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2)
+ nop
+
+ move.l #0xFC0B8000, %a1 /* Mode */
+ move.l #0xFC0B8004, %a2 /* Ctrl */
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ /* Issue LEMR */
+ move.l #(CONFIG_SYS_SDRAM_EMOD + 0x408), (%a1)
+ nop
+ move.l #(CONFIG_SYS_SDRAM_MODE + 0x300), (%a1)
+ nop
+
+ move.l #1000, %d1
+ bsr asm_delay
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ /* Perform two refresh cycles */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0
+ nop
+ move.l %d0, (%a2)
+ move.l %d0, (%a2)
+ nop
+
+ move.l #(CONFIG_SYS_SDRAM_MODE + 0x200), (%a1)
+ nop
+
+ move.l #500, %d1
+ bsr asm_delay
+
+ move.l #(CONFIG_SYS_SDRAM_CTRL), %d1
+ and.l #0x7FFFFFFF, %d1
+
+ or.l #0x10000C00, %d1
+
+ move.l %d1, (%a2)
+ nop
+
+ move.l #2000, %d1
+ bsr asm_delay
+
+ rts
diff --git a/board/sysam/stmark2/Kconfig b/board/sysam/stmark2/Kconfig
new file mode 100644
index 0000000000..87ab7ab7b5
--- /dev/null
+++ b/board/sysam/stmark2/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_STMARK2
+
+config SYS_CPU
+ default "mcf5445x"
+
+config SYS_BOARD
+ default "stmark2"
+
+config SYS_VENDOR
+ default "sysam"
+
+config SYS_CONFIG_NAME
+ default "stmark2"
+
+endif
diff --git a/board/sysam/stmark2/MAINTAINERS b/board/sysam/stmark2/MAINTAINERS
new file mode 100644
index 0000000000..b87f432bb3
--- /dev/null
+++ b/board/sysam/stmark2/MAINTAINERS
@@ -0,0 +1,6 @@
+STMARK2 BOARD
+M: Angelo Dureghello <angelo@sysam.it>
+S: Maintained
+F: board/sysam/stmark2/
+F: include/configs/stmark2.h
+F: configs/stmark2_defconfig
diff --git a/board/sysam/stmark2/Makefile b/board/sysam/stmark2/Makefile
new file mode 100644
index 0000000000..064a57ea05
--- /dev/null
+++ b/board/sysam/stmark2/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y = stmark2.o
+extra-y += sbf_dram_init.o
diff --git a/board/sysam/stmark2/sbf_dram_init.S b/board/sysam/stmark2/sbf_dram_init.S
new file mode 100644
index 0000000000..52abda5c3c
--- /dev/null
+++ b/board/sysam/stmark2/sbf_dram_init.S
@@ -0,0 +1,119 @@
+/*
+ * Board-specific early ddr/sdram init.
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+.equ PPMCR0, 0xfc04002d
+.equ MSCR_SDRAMC, 0xec094060
+.equ MISCCR2, 0xec09001a
+.equ DDR_RCR, 0xfc0b8180
+.equ DDR_PADCR, 0xfc0b81ac
+.equ DDR_CR00, 0xfc0b8000
+.equ DDR_CR06, 0xfc0b8018
+.equ DDR_CR09, 0xfc0b8024
+.equ DDR_CR40, 0xfc0b80a0
+.equ DDR_CR45, 0xfc0b80b4
+.equ DDR_CR56, 0xfc0b80e0
+
+.global sbf_dram_init
+.text
+
+sbf_dram_init:
+ /* CD46 = DDR on */
+ move.l #PPMCR0, %a1
+ move.b #46, (%a1)
+
+ /* stmark 2, max drive strength */
+ move.l #MSCR_SDRAMC, %a1
+ move.b #1, (%a1)
+
+ /*
+ * use cpu clock, seems more realiable
+ *
+ * DDR2 clock is serviced from DDR controller as input clock / 2
+ * so, if clock comes from
+ * vco, i.e. 480(vco) / 2, so ddr clock is 240 Mhz (measured)
+ * cpu, i.e. 250(cpu) / 2, so ddr clock is 125 Mhz (measured)
+ *
+ * .
+ * / \ DDR2 can't be clocked lower than 125Mhz
+ * / ! \ DDR2 init must pass further i/dcache enable test
+ * /_____\
+ * WARNING
+ */
+
+ /* cpu / 2 = 125 Mhz for 480 Mhz pll */
+ move.l #MISCCR2, %a1
+ move.w #0xa01d, (%a1)
+
+ /* DDR force sw reset settings */
+ move.l #DDR_RCR, %a1
+ move.l #0x00000000, (%a1)
+ move.l #0x40000000, (%a1)
+
+ /*
+ * PAD_ODT_CS: for us seems both 1(75 ohm) and 2(150ohm) are good,
+ * 500/700 mV are ok
+ */
+ move.l #DDR_PADCR, %a1
+ move.l #0x01030203, (%a1) /* as freescale tower */
+
+ move.l #DDR_CR00, %a1
+ move.l #0x01010101, (%a1)+ /* 0x00 */
+ move.l #0x00000101, (%a1)+ /* 0x04 */
+ move.l #0x01010100, (%a1)+ /* 0x08 */
+ move.l #0x01010000, (%a1)+ /* 0x0C */
+ move.l #0x00010101, (%a1)+ /* 0x10 */
+ move.l #DDR_CR06, %a1
+ move.l #0x00010100, (%a1)+ /* 0x18 */
+ move.l #0x00000001, (%a1)+ /* 0x1C */
+ move.l #0x01000001, (%a1)+ /* 0x20 */
+ move.l #0x00000100, (%a1)+ /* 0x24 */
+ move.l #0x00010001, (%a1)+ /* 0x28 */
+ move.l #0x00000200, (%a1)+ /* 0x2C */
+ move.l #0x01000002, (%a1)+ /* 0x30 */
+ move.l #0x00000000, (%a1)+ /* 0x34 */
+ move.l #0x00000100, (%a1)+ /* 0x38 */
+ move.l #0x02000100, (%a1)+ /* 0x3C */
+ move.l #0x02000407, (%a1)+ /* 0x40 */
+ move.l #0x02030007, (%a1)+ /* 0x44 */
+ move.l #0x02000100, (%a1)+ /* 0x48 */
+ move.l #0x0A030203, (%a1)+ /* 0x4C */
+ move.l #0x00020708, (%a1)+ /* 0x50 */
+ move.l #0x00050008, (%a1)+ /* 0x54 */
+ move.l #0x04030002, (%a1)+ /* 0x58 */
+ move.l #0x00000004, (%a1)+ /* 0x5C */
+ move.l #0x020A0000, (%a1)+ /* 0x60 */
+ move.l #0x0C00000E, (%a1)+ /* 0x64 */
+ move.l #0x00002004, (%a1)+ /* 0x68 */
+ move.l #0x00000000, (%a1)+ /* 0x6C */
+ move.l #0x00100010, (%a1)+ /* 0x70 */
+ move.l #0x00100010, (%a1)+ /* 0x74 */
+ move.l #0x00000000, (%a1)+ /* 0x78 */
+ move.l #0x07990000, (%a1)+ /* 0x7C */
+ move.l #DDR_CR40, %a1
+ move.l #0x00000000, (%a1)+ /* 0xA0 */
+ move.l #0x00C80064, (%a1)+ /* 0xA4 */
+ move.l #0x44520002, (%a1)+ /* 0xA8 */
+ move.l #0x00C80023, (%a1)+ /* 0xAC */
+ move.l #DDR_CR45, %a1
+ move.l #0x0000C350, (%a1) /* 0xB4 */
+ move.l #DDR_CR56, %a1
+ move.l #0x04000000, (%a1)+ /* 0xE0 */
+ move.l #0x03000304, (%a1)+ /* 0xE4 */
+ move.l #0x40040000, (%a1)+ /* 0xE8 */
+ move.l #0xC0004004, (%a1)+ /* 0xEC */
+ move.l #0x0642C000, (%a1)+ /* 0xF0 */
+ move.l #0x00000642, (%a1)+ /* 0xF4 */
+ move.l #DDR_CR09, %a1
+ tpf
+ move.l #0x01000100, (%a1) /* 0x24 */
+
+ move.l #0x2000, %d1
+ bsr asm_delay
+
+
+ rts
diff --git a/board/sysam/stmark2/stmark2.c b/board/sysam/stmark2/stmark2.c
new file mode 100644
index 0000000000..4f291ab6d6
--- /dev/null
+++ b/board/sysam/stmark2/stmark2.c
@@ -0,0 +1,47 @@
+/*
+ * Board-specific init.
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spi.h>
+#include <asm/io.h>
+#include <asm/immap.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ /*
+ * need to to:
+ * Check serial flash size. if 2mb evb, else 8mb demo
+ */
+ puts("Board: ");
+ puts("Sysam stmark2\n");
+ return 0;
+}
+
+int dram_init(void)
+{
+ u32 dramsize;
+
+ /*
+ * Serial Boot: The dram is already initialized in start.S
+ * only require to return DRAM size
+ */
+ dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
+
+ gd->ram_size = dramsize;
+
+ return 0;
+}
+
+int testdram(void)
+{
+ return 0;
+}
diff --git a/configs/stmark2_defconfig b/configs/stmark2_defconfig
new file mode 100644
index 0000000000..cf3625c281
--- /dev/null
+++ b/configs/stmark2_defconfig
@@ -0,0 +1,26 @@
+CONFIG_M68K=y
+CONFIG_SYS_TEXT_BASE=0x47E00000
+CONFIG_TARGET_STMARK2=y
+CONFIG_SYS_EXTRA_OPTIONS="CF_SBF,SYS_SERIAL_BOOT,SYS_INPUT_CLKSRC=30000000"
+# CONFIG_DISPLAY_BOARDINFO is not set
+# CONFIG_SPL_LEGACY_IMAGE_SUPPORT is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="stmark2 $ "
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+CONFIG_CMD_LOADB=y
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_CACHE=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_REGEX=y
diff --git a/include/configs/M54418TWR.h b/include/configs/M54418TWR.h
index 6822b4c6d3..66a17f2540 100644
--- a/include/configs/M54418TWR.h
+++ b/include/configs/M54418TWR.h
@@ -24,6 +24,8 @@
#define CONFIG_SYS_UART_PORT (0)
#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+#define LDS_BOARD_TEXT board/freescale/m54418twr/sbf_dram_init.o (.text*)
+
#undef CONFIG_WATCHDOG
#define CONFIG_TIMESTAMP /* Print image info with timestamp */
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
index f6d92512be..6d55bdd38b 100644
--- a/include/configs/M54451EVB.h
+++ b/include/configs/M54451EVB.h
@@ -23,6 +23,8 @@
#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT (0)
+#define LDS_BOARD_TEXT board/freescale/m54451evb/sbf_dram_init.o (.text*)
+
#undef CONFIG_WATCHDOG
#define CONFIG_TIMESTAMP /* Print image info with timestamp */
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index f1acf07db7..8e0056aebb 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -23,6 +23,8 @@
#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT (0)
+#define LDS_BOARD_TEXT board/freescale/m54455evb/sbf_dram_init.o (.text*)
+
#undef CONFIG_WATCHDOG
#define CONFIG_TIMESTAMP /* Print image info with timestamp */
diff --git a/include/configs/stmark2.h b/include/configs/stmark2.h
new file mode 100644
index 0000000000..5f711d03d8
--- /dev/null
+++ b/include/configs/stmark2.h
@@ -0,0 +1,199 @@
+/*
+ * Sysam stmark2 board configuration
+ *
+ * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __STMARK2_CONFIG_H
+#define __STMARK2_CONFIG_H
+
+#define CONFIG_STMARK2
+#define CONFIG_HOSTNAME stmark2
+
+#define CONFIG_MCFUART
+#define CONFIG_SYS_UART_PORT 0
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+
+#define LDS_BOARD_TEXT \
+ board/sysam/stmark2/sbf_dram_init.o (.text*)
+
+#define CONFIG_TIMESTAMP
+
+#define CONFIG_BOOTARGS \
+ "console=ttyS0,115200 root=/dev/ram0 rw " \
+ "rootfstype=ramfs " \
+ "rdinit=/bin/init " \
+ "devtmpfs.mount=1"
+
+#define CONFIG_BOOTCOMMAND \
+ "sf probe 0:1 50000000; " \
+ "sf read ${loadaddr} 0x100000 ${kern_size}; " \
+ "bootm ${loadaddr}"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "kern_size=0x700000\0" \
+ "loadaddr=0x40001000\0" \
+ "-(rootfs)\0" \
+ "update_uboot=loady ${loadaddr}; " \
+ "sf probe 0:1 50000000; " \
+ "sf erase 0 0x80000; " \
+ "sf write ${loadaddr} 0 ${filesize}\0" \
+ "update_kernel=loady ${loadaddr}; " \
+ "setenv kern_size ${filesize}; saveenv; " \
+ "sf probe 0:1 50000000; " \
+ "sf erase 0x100000 0x700000; " \
+ "sf write ${loadaddr} 0x100000 ${filesize}\0" \
+ "update_rootfs=loady ${loadaddr}; " \
+ "sf probe 0:1 50000000; " \
+ "sf erase 0x00800000 0x100000; " \
+ "sf write ${loadaddr} 0x00800000 ${filesize}\0" \
+ ""
+
+/* Realtime clock */
+#undef CONFIG_MCFRTC
+#define CONFIG_RTC_MCFRRTC
+#define CONFIG_SYS_MCFRRTC_BASE 0xFC0A8000
+
+/* spi not partitions */
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_JFFS2_CMDLINE
+#define CONFIG_JFFS2_DEV "nor0"
+#define MTDIDS_DEFAULT "nor0=spi-flash.0"
+#define MTDPARTS_DEFAULT \
+ "mtdparts=spi-flash.0:" \
+ "1m(u-boot)," \
+ "7m(kernel)," \
+ "-(rootfs)"
+
+/* Timer */
+#define CONFIG_MCFTMR
+#undef CONFIG_MCFPIT
+
+/* DSPI and Serial Flash */
+#define CONFIG_CF_SPI
+#define CONFIG_CF_DSPI
+#define CONFIG_SF_DEFAULT_SPEED 50000000
+#define CONFIG_SERIAL_FLASH
+#define CONFIG_HARD_SPI
+#define CONFIG_SPI_FLASH_ISSI
+#define CONFIG_ENV_SPI_BUS 0
+#define CONFIG_ENV_SPI_CS 1
+
+#define CONFIG_SYS_SBFHDR_SIZE 0x7
+
+#define CONFIG_SYS_DSPI_CTAR0 (DSPI_CTAR_TRSZ(7) | \
+ DSPI_CTAR_PCSSCK_1CLK | \
+ DSPI_CTAR_PASC(0) | \
+ DSPI_CTAR_PDT(0) | \
+ DSPI_CTAR_CSSCK(0) | \
+ DSPI_CTAR_ASC(0) | \
+ DSPI_CTAR_DT(1) | \
+ DSPI_CTAR_BR(6))
+#define CONFIG_SYS_DSPI_CTAR1 (CONFIG_SYS_DSPI_CTAR0)
+#define CONFIG_SYS_DSPI_CTAR2 (CONFIG_SYS_DSPI_CTAR0)
+
+/* Input, PCI, Flexbus, and VCO */
+#define CONFIG_EXTRA_CLOCK
+
+#define CONFIG_PRAM 2048 /* 2048 KB */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000)
+#define CONFIG_SYS_MBAR 0xFC000000
+
+/*
+ * Definitions for initial stack pointer and data area (in internal SRAM)
+ */
+#define CONFIG_SYS_INIT_RAM_ADDR 0x80000000
+/* End of used area in internal SRAM */
+#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
+#define CONFIG_SYS_INIT_RAM_CTRL 0x221
+#define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_SIZE - \
+ GENERATED_GBL_DATA_SIZE) - 32)
+#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
+#define CONFIG_SYS_SBFHDR_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - 32)
+
+/*
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
+ */
+#define CONFIG_SYS_SDRAM_BASE 0x40000000
+#define CONFIG_SYS_SDRAM_SIZE 128 /* SDRAM size in MB */
+
+#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x400)
+#define CONFIG_SYS_MEMTEST_END ((CONFIG_SYS_SDRAM_SIZE - 3) << 20)
+#define CONFIG_SYS_DRAM_TEST
+
+#if defined(CONFIG_CF_SBF)
+#define CONFIG_SERIAL_BOOT
+#endif
+
+#if defined(CONFIG_SERIAL_BOOT)
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_TEXT_BASE + 0x400)
+#else
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
+#endif
+
+#define CONFIG_SYS_BOOTPARAMS_LEN (64 * 1024)
+/* Reserve 256 kB for Monitor */
+#define CONFIG_SYS_MONITOR_LEN (256 << 10)
+/* Reserve 256 kB for malloc() */
+#define CONFIG_SYS_MALLOC_LEN (256 << 10)
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization ??
+ */
+/* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + \
+ (CONFIG_SYS_SDRAM_SIZE << 20))
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+
+#if defined(CONFIG_CF_SBF)
+#define CONFIG_ENV_IS_IN_SPI_FLASH 1
+#define CONFIG_ENV_SPI_CS 1
+#define CONFIG_ENV_OFFSET 0x40000
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_ENV_SECT_SIZE 0x10000
+#endif
+
+#undef CONFIG_ENV_OVERWRITE
+
+/* Cache Configuration */
+#define CONFIG_SYS_CACHELINE_SIZE 16
+#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - 8)
+#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - 4)
+#define CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA)
+#define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA)
+#define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \
+ CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \
+ CF_ACR_EN | CF_ACR_SM_ALL)
+#define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_IEC | \
+ CF_CACR_ICINVA | CF_CACR_EUSP)
+#define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \
+ CF_CACR_DEC | CF_CACR_DDCM_P | \
+ CF_CACR_DCINVA) & ~CF_CACR_ICINVA)
+
+#define CACR_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - 12)
+
+#endif /* __STMARK2_CONFIG_H */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index db284571f7..b3dac2dceb 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -2294,6 +2294,7 @@ CONFIG_STM32_GPIO
CONFIG_STM32_HSE_HZ
CONFIG_STM32_HZ
CONFIG_STM32_SERIAL
+CONFIG_STMARK2
CONFIG_STRIDER
CONFIG_STRIDER_CON
CONFIG_STRIDER_CON_DP