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-rw-r--r--arch/arm/boards/guf-neso/lowlevel.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/arm/boards/guf-neso/lowlevel.c b/arch/arm/boards/guf-neso/lowlevel.c
deleted file mode 100644
index 3ae70eca30..0000000000
--- a/arch/arm/boards/guf-neso/lowlevel.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- *
- * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-#include <common.h>
-#include <init.h>
-#include <mach/imx27-regs.h>
-#include <mach/imx-pll.h>
-#include <mach/esdctl.h>
-#include <asm/cache-l2x0.h>
-#include <io.h>
-#include <mach/imx-nand.h>
-#include <asm/barebox-arm.h>
-#include <asm/barebox-arm-head.h>
-#include <asm/system.h>
-#include <asm/sections.h>
-#include <asm-generic/memory_layout.h>
-
-#define ESDCTL0_VAL (ESDCTL0_SDE | ESDCTL0_ROW13 | ESDCTL0_COL10)
-
-void __bare_init __naked barebox_arm_reset_vector(uint32_t r0, uint32_t r1, uint32_t r2)
-{
- uint32_t r;
- int i;
-
- arm_cpu_lowlevel_init();
-
- arm_setup_stack(MX27_IRAM_BASE_ADDR + MX27_IRAM_SIZE);
-
- /* ahb lite ip interface */
- writel(0x20040304, MX27_AIPI_BASE_ADDR + MX27_AIPI1_PSR0);
- writel(0xDFFBFCFB, MX27_AIPI_BASE_ADDR + MX27_AIPI1_PSR1);
- writel(0x00000000, MX27_AIPI_BASE_ADDR + MX27_AIPI2_PSR0);
- writel(0xFFFFFFFF, MX27_AIPI_BASE_ADDR + MX27_AIPI2_PSR1);
-
- /* Skip SDRAM initialization if we run from RAM */
- r = get_pc();
- if (r > 0xa0000000 && r < 0xb0000000)
- goto out;
-
- /*
- * DDR on CSD0
- */
- /* Enable DDR SDRAM operation */
- writel(0x00000008, MX27_ESDCTL_BASE_ADDR + IMX_ESDMISC);
-
- /* Set the driving strength */
- writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(3));
- writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(5));
- writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(6));
- writel(0x00005005, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(7));
- writel(0x15555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(8));
-
- /* Initial reset */
- writel(0x00000004, MX27_ESDCTL_BASE_ADDR + IMX_ESDMISC);
- writel(0x006ac73a, MX27_ESDCTL_BASE_ADDR + IMX_ESDCFG0);
-
- /* precharge CSD0 all banks */
- writel(ESDCTL0_VAL | ESDCTL0_SMODE_PRECHARGE,
- MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0);
- writel(0x00000000, 0xA0000F00); /* CSD0 precharge address (A10 = 1) */
- writel(ESDCTL0_VAL | ESDCTL0_SMODE_AUTO_REFRESH,
- MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0);
-
- for (i = 0; i < 8; i++)
- writel(0, 0xa0000f00);
-
- writel(ESDCTL0_VAL | ESDCTL0_SMODE_LOAD_MODE,
- MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0);
-
- writeb(0xda, 0xa0000033);
- writeb(0xff, 0xa1000000);
- writel(ESDCTL0_VAL | ESDCTL0_DSIZ_31_0 | ESDCTL0_REF4 |
- ESDCTL0_BL | ESDCTL0_SMODE_NORMAL,
- MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0);
-
- if (IS_ENABLED(CONFIG_ARCH_IMX_EXTERNAL_BOOT_NAND))
- imx27_barebox_boot_nand_external();
-
-out:
- imx27_barebox_entry(NULL);
-}