Initial import of qemu-2.4.1HEADmaster

4 files changed, 202 insertions, 0 deletions

diff --git a/roms/u-boot/board/freescale/m5275evb/Makefile b/roms/u-boot/board/freescale/m5275evb/Makefile
new file mode 100644
index 00000000..d285c145
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5275evb/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	= m5275evb.o
diff --git a/roms/u-boot/board/freescale/m5275evb/config.mk b/roms/u-boot/board/freescale/m5275evb/config.mk
new file mode 100644
index 00000000..1af25e15
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5275evb/config.mk
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+CONFIG_SYS_TEXT_BASE = 0xffe00000
diff --git a/roms/u-boot/board/freescale/m5275evb/m5275evb.c b/roms/u-boot/board/freescale/m5275evb/m5275evb.c
new file mode 100644
index 00000000..16083d1b
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5275evb/m5275evb.c
@@ -0,0 +1,100 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2005-2008 Arthur Shipkowski (art@videon-central.com)
+ *
+ * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#define PERIOD		13	/* system bus period in ns */
+#define SDRAM_TREFI	7800	/* in ns */
+
+int checkboard(void)
+{
+	puts("Board: ");
+	puts("Freescale MCF5275 EVB\n");
+	return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+	sdramctrl_t *sdp = (sdramctrl_t *)(MMAP_SDRAM);
+	gpio_t *gpio_reg = (gpio_t *)(MMAP_GPIO);
+
+	/* Enable SDRAM */
+	out_be16(&gpio_reg->par_sdram, 0x3FF);
+
+	/* Set up chip select */
+	out_be32(&sdp->sdbar0, CONFIG_SYS_SDRAM_BASE);
+	out_be32(&sdp->sdbmr0, MCF_SDRAMC_SDMRn_BAM_32M | MCF_SDRAMC_SDMRn_V);
+
+	/* Set up timing */
+	out_be32(&sdp->sdcfg1, 0x83711630);
+	out_be32(&sdp->sdcfg2, 0x46770000);
+
+	/* Enable clock */
+	out_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_MODE_EN | MCF_SDRAMC_SDCR_CKE);
+
+	/* Set precharge */
+	setbits_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_IPALL);
+
+	/* Dummy write to start SDRAM */
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+	/* Send LEMR */
+	setbits_be32(&sdp->sdmr,
+		MCF_SDRAMC_SDMR_BNKAD_LEMR | MCF_SDRAMC_SDMR_AD(0x0) |
+		MCF_SDRAMC_SDMR_CMD);
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+	/* Send LMR */
+	out_be32(&sdp->sdmr, 0x058d0000);
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+	/* Stop sending commands */
+	clrbits_be32(&sdp->sdmr, MCF_SDRAMC_SDMR_CMD);
+
+	/* Set precharge */
+	setbits_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_IPALL);
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+	/* Stop manual precharge, send 2 IREF */
+	clrbits_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_IPALL);
+	setbits_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_IREF);
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+
+	out_be32(&sdp->sdmr, 0x018d0000);
+	*((volatile unsigned long *)CONFIG_SYS_SDRAM_BASE) = 0xa5a59696;
+
+	/* Stop sending commands */
+	clrbits_be32(&sdp->sdmr, MCF_SDRAMC_SDMR_CMD);
+	clrbits_be32(&sdp->sdcr, MCF_SDRAMC_SDCR_MODE_EN);
+
+	/* Turn on auto refresh, lock SDMR */
+	out_be32(&sdp->sdcr,
+		MCF_SDRAMC_SDCR_CKE
+		| MCF_SDRAMC_SDCR_REF
+		| MCF_SDRAMC_SDCR_MUX(1)
+		/* 1 added to round up */
+		| MCF_SDRAMC_SDCR_RCNT((SDRAM_TREFI/(PERIOD*64)) - 1 + 1)
+		| MCF_SDRAMC_SDCR_DQS_OE(0x3));
+
+	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+};
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/roms/u-boot/board/freescale/m5275evb/u-boot.lds b/roms/u-boot/board/freescale/m5275evb/u-boot.lds
new file mode 100644
index 00000000..3112cbe4
--- /dev/null
+++ b/roms/u-boot/board/freescale/m5275evb/u-boot.lds
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+OUTPUT_ARCH(m68k)
+
+SECTIONS
+{
+  .text      :
+  {
+    arch/m68k/cpu/mcf52x2/start.o	(.text*)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/env_embedded.o      (.text)
+
+    *(.text*)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+  }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    KEEP(*(.got))
+    __got_end = .;
+    _GOT2_TABLE_ = .;
+    KEEP(*(.got2))
+    _FIXUP_TABLE_ = .;
+    KEEP(*(.fixup))
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data*)
+    *(.sdata*)
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+
+  . = ALIGN(4);
+  .u_boot_list : {
+	KEEP(*(SORT(.u_boot_list*)));
+  }
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss (NOLOAD)      :
+  {
+   _sbss = .;
+   *(.bss*)
+   *(.sbss*)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  __bss_end = . ;
+  PROVIDE (end = .);
+}