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-rw-r--r--arch/m68k/cpu/mcf5445x/start.S180
-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--include/configs/M54418TWR.h2
-rw-r--r--include/configs/M54451EVB.h2
-rw-r--r--include/configs/M54455EVB.h2
10 files changed, 302 insertions, 172 deletions
diff --git a/arch/m68k/cpu/mcf5445x/start.S b/arch/m68k/cpu/mcf5445x/start.S
index 0487d84a2f..41d9088b6a 100644
--- a/arch/m68k/cpu/mcf5445x/start.S
+++ b/arch/m68k/cpu/mcf5445x/start.S
@@ -176,177 +176,12 @@ 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 */
+#endif /* CONFIG_MCF5441x */
- 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
-
- /* 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
/*
@@ -537,7 +372,7 @@ 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 +400,7 @@ 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 +430,7 @@ asm_nand_copy:
#endif /* CONFIG_SYS_NAND_BOOT */
+.globl asm_delay
asm_delay:
nop
subq.l #1, %d1
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/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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 16:11:19 +0000