Initial import of qemu-2.4.1HEADmaster

3 files changed, 243 insertions, 0 deletions

diff --git a/roms/u-boot/board/logicpd/imx27lite/Makefile b/roms/u-boot/board/logicpd/imx27lite/Makefile
new file mode 100644
index 00000000..50a3da62
--- /dev/null
+++ b/roms/u-boot/board/logicpd/imx27lite/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= imx27lite.o
+obj-y	+= lowlevel_init.o
diff --git a/roms/u-boot/board/logicpd/imx27lite/imx27lite.c b/roms/u-boot/board/logicpd/imx27lite/imx27lite.c
new file mode 100644
index 00000000..07b07a07
--- /dev/null
+++ b/roms/u-boot/board/logicpd/imx27lite/imx27lite.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2007 Sascha Hauer, Pengutronix
+ * Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net>
+ * Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+#if defined(CONFIG_SYS_NAND_LARGEPAGE)
+	struct system_control_regs *sc_regs =
+		(struct system_control_regs *)IMX_SYSTEM_CTL_BASE;
+#endif
+
+	gd->bd->bi_arch_number = MACH_TYPE_IMX27LITE;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+#ifdef CONFIG_MXC_UART
+	mx27_uart1_init_pins();
+#endif
+#ifdef CONFIG_FEC_MXC
+	mx27_fec_init_pins();
+	imx_gpio_mode((GPIO_PORTC | GPIO_OUT | GPIO_PUEN | GPIO_GPIO | 31));
+	gpio_set_value(GPIO_PORTC | 31, 1);
+#endif
+#ifdef CONFIG_MXC_MMC
+#if defined(CONFIG_MAGNESIUM)
+	mx27_sd1_init_pins();
+#else
+	mx27_sd2_init_pins();
+#endif
+#endif
+
+#if defined(CONFIG_SYS_NAND_LARGEPAGE)
+	/*
+	 * set in FMCR NF_FMS Bit(5) to 1
+	 * (NAND Flash with 2 Kbyte page size)
+	 */
+	writel(readl(&sc_regs->fmcr) | (1 << 5), &sc_regs->fmcr);
+#endif
+	return 0;
+}
+
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				PHYS_SDRAM_1_SIZE);
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+			PHYS_SDRAM_1_SIZE);
+#if CONFIG_NR_DRAM_BANKS > 1
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2,
+			PHYS_SDRAM_2_SIZE);
+#endif
+}
+
+int checkboard(void)
+{
+	puts("Board: ");
+	puts(CONFIG_BOARDNAME);
+	return 0;
+}
diff --git a/roms/u-boot/board/logicpd/imx27lite/lowlevel_init.S b/roms/u-boot/board/logicpd/imx27lite/lowlevel_init.S
new file mode 100644
index 00000000..c286d0df
--- /dev/null
+++ b/roms/u-boot/board/logicpd/imx27lite/lowlevel_init.S
@@ -0,0 +1,157 @@
+/*
+ * For clock initialization, see chapter 3 of the "MCIMX27 Multimedia
+ * Applications Processor Reference Manual, Rev. 0.2".
+ *
+ * (C) Copyright 2008 Eric Jarrige <eric.jarrige@armadeus.org>
+ * (C) Copyright 2009 Ilya Yanok <yanok@emcraft.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+
+#include <config.h>
+#include <version.h>
+#include <asm/macro.h>
+#include <asm/arch/imx-regs.h>
+#include <generated/asm-offsets.h>
+
+SOC_ESDCTL_BASE_W:	.word	IMX_ESD_BASE
+SOC_SI_ID_REG_W:	.word	IMX_SYSTEM_CTL_BASE
+SDRAM_ESDCFG_T1_W:	.word	SDRAM_ESDCFG_REGISTER_VAL(0)
+SDRAM_ESDCFG_T2_W:	.word	SDRAM_ESDCFG_REGISTER_VAL(3)
+SDRAM_PRECHARGE_CMD_W:	.word	(ESDCTL_SDE | ESDCTL_SMODE_PRECHARGE | \
+				 ESDCTL_ROW13 | ESDCTL_COL10)
+SDRAM_AUTOREF_CMD_W:	.word	(ESDCTL_SDE | ESDCTL_SMODE_AUTO_REF | \
+				 ESDCTL_ROW13 | ESDCTL_COL10)
+SDRAM_LOADMODE_CMD_W:	.word	(ESDCTL_SDE | ESDCTL_SMODE_LOAD_MODE | \
+				 ESDCTL_ROW13 | ESDCTL_COL10)
+SDRAM_NORMAL_CMD_W:	.word	SDRAM_ESDCTL_REGISTER_VAL
+
+.macro init_aipi
+	/*
+	 * setup AIPI1 and AIPI2
+	 */
+	write32 AIPI1_PSR0, AIPI1_PSR0_VAL
+	write32 AIPI1_PSR1, AIPI1_PSR1_VAL
+	write32 AIPI2_PSR0, AIPI2_PSR0_VAL
+	write32 AIPI2_PSR1, AIPI2_PSR1_VAL
+
+.endm /* init_aipi */
+
+.macro init_clock
+	ldr r0, =CSCR
+	/* disable MPLL/SPLL first */
+	ldr r1, [r0]
+	bic r1, r1, #(CSCR_MPEN|CSCR_SPEN)
+	str r1, [r0]
+
+	write32 MPCTL0, MPCTL0_VAL
+	write32 SPCTL0, SPCTL0_VAL
+
+	write32 CSCR, CSCR_VAL | CSCR_MPLL_RESTART | CSCR_SPLL_RESTART
+
+	/*
+	 * add some delay here
+	 */
+	wait_timer 0x1000
+
+	/* peripheral clock divider */
+	write32 PCDR0, PCDR0_VAL
+	write32 PCDR1, PCDR1_VAL
+
+	/* Configure PCCR0 and PCCR1 */
+	write32 PCCR0, PCCR0_VAL
+	write32 PCCR1, PCCR1_VAL
+
+.endm /* init_clock */
+
+.macro sdram_init
+	ldr r0, SOC_ESDCTL_BASE_W
+	mov r2, #PHYS_SDRAM_1
+
+	/* Do initial reset */
+	mov r1, #ESDMISC_MDDR_DL_RST
+	str r1, [r0, #ESDMISC_ROF]
+
+	/* Hold for more than 200ns */
+	wait_timer 0x10000
+
+	/* Activate LPDDR iface */
+	mov r1, #ESDMISC_MDDREN
+	str r1, [r0, #ESDMISC_ROF]
+
+	/* Check The chip version TO1 or TO2 */
+	ldr r1, SOC_SI_ID_REG_W
+	ldr r1, [r1]
+	ands r1, r1, #0xF0000000
+	/* add Latency on CAS only for TO2 */
+	ldreq r1, SDRAM_ESDCFG_T2_W
+	ldrne r1, SDRAM_ESDCFG_T1_W
+	str r1, [r0, #ESDCFG0_ROF]
+
+	/* Run initialization sequence */
+	ldr r1, SDRAM_PRECHARGE_CMD_W
+	str r1, [r0, #ESDCTL0_ROF]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+
+	ldr r1, SDRAM_AUTOREF_CMD_W
+	str r1, [r0, #ESDCTL0_ROF]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+
+	ldr r1, SDRAM_LOADMODE_CMD_W
+	str r1, [r0, #ESDCTL0_ROF]
+	ldrb r1, [r2, #SDRAM_MODE_REGISTER_VAL]
+	add r3, r2, #SDRAM_EXT_MODE_REGISTER_VAL
+	ldrb r1, [r3]
+
+	ldr r1, SDRAM_NORMAL_CMD_W
+	str r1, [r0, #ESDCTL0_ROF]
+
+#if (CONFIG_NR_DRAM_BANKS > 1)
+	/* 2nd sdram */
+	mov r2, #PHYS_SDRAM_2
+
+	/* Check The chip version TO1 or TO2 */
+	ldr r1, SOC_SI_ID_REG_W
+	ldr r1, [r1]
+	ands r1, r1, #0xF0000000
+	/* add Latency on CAS only for TO2 */
+	ldreq r1, SDRAM_ESDCFG_T2_W
+	ldrne r1, SDRAM_ESDCFG_T1_W
+	str r1, [r0, #ESDCFG1_ROF]
+
+	/* Run initialization sequence */
+	ldr r1, SDRAM_PRECHARGE_CMD_W
+	str r1, [r0, #ESDCTL1_ROF]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+
+	ldr r1, SDRAM_AUTOREF_CMD_W
+	str r1, [r0, #ESDCTL1_ROF]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+	ldr r1, [r2, #SDRAM_ALL_VAL]
+
+	ldr r1, SDRAM_LOADMODE_CMD_W
+	str r1, [r0, #ESDCTL1_ROF]
+	ldrb r1, [r2, #SDRAM_MODE_REGISTER_VAL]
+	add r3, r2, #SDRAM_EXT_MODE_REGISTER_VAL
+	ldrb r1, [r3]
+
+	ldr r1, SDRAM_NORMAL_CMD_W
+	str r1, [r0, #ESDCTL1_ROF]
+#endif  /* CONFIG_NR_DRAM_BANKS > 1 */
+
+.endm /* sdram_init */
+
+.globl	lowlevel_init
+lowlevel_init:
+
+	mov	r10, lr
+
+	init_aipi
+
+	init_clock
+
+	sdram_init
+
+	mov	pc,r10