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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/davinci/dm355evm
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/davinci/dm355evm')
-rw-r--r--qemu/roms/u-boot/board/davinci/dm355evm/Makefile10
-rw-r--r--qemu/roms/u-boot/board/davinci/dm355evm/config.mk11
-rw-r--r--qemu/roms/u-boot/board/davinci/dm355evm/dm355evm.c145
3 files changed, 166 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/davinci/dm355evm/Makefile b/qemu/roms/u-boot/board/davinci/dm355evm/Makefile
new file mode 100644
index 000000000..bcb7e6fed
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dm355evm/Makefile
@@ -0,0 +1,10 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := dm355evm.o
diff --git a/qemu/roms/u-boot/board/davinci/dm355evm/config.mk b/qemu/roms/u-boot/board/davinci/dm355evm/config.mk
new file mode 100644
index 000000000..9a063000c
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dm355evm/config.mk
@@ -0,0 +1,11 @@
+#
+# Spectrum Digital DM355 EVM board
+# dm355evm board has 1 bank of 128 MB DDR RAM
+# Physical Address: 8000'0000 to 8800'0000
+#
+# Linux Kernel is expected to be at 8000'8000, entry 8000'8000
+# (mem base + reserved)
+#
+
+#Provide at least 16MB spacing between us and the Linux Kernel image
+CONFIG_SYS_TEXT_BASE = 0x81080000
diff --git a/qemu/roms/u-boot/board/davinci/dm355evm/dm355evm.c b/qemu/roms/u-boot/board/davinci/dm355evm/dm355evm.c
new file mode 100644
index 000000000..10422b226
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dm355evm/dm355evm.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2009 David Brownell
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <nand.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/nand_defs.h>
+#include <asm/arch/davinci_misc.h>
+#include <net.h>
+#include <netdev.h>
+#ifdef CONFIG_DAVINCI_MMC
+#include <mmc.h>
+#include <asm/arch/sdmmc_defs.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * With the DM355 EVM, u-boot is *always* a third stage loader,
+ * unless a JTAG debugger handles the first two stages:
+ *
+ * - 1st stage is ROM Boot Loader (RBL), which searches for a
+ * second stage loader in one of three places based on SW7:
+ * NAND (with MMC/SD fallback), MMC/SD, or UART.
+ *
+ * - 2nd stage is User Boot Loader (UBL), using at most 30KB
+ * of on-chip SRAM, responsible for lowlevel init, and for
+ * loading the third stage loader into DRAM.
+ *
+ * - 3rd stage, that's us!
+ */
+
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM355_EVM;
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ /* We expect the UBL to have handled "lowlevel init", which
+ * involves setting up at least:
+ * - clocks
+ * + PLL1 (for ARM and peripherals) and PLL2 (for DDR)
+ * + clock divisors for those PLLs
+ * + LPSC_DDR module enabled
+ * + LPSC_TIMER0 module (still) enabled
+ * - EMIF
+ * + DDR init and timings
+ * + AEMIF timings (for NAND and DM9000)
+ * - pinmux
+ *
+ * Some of that is repeated here, mostly as a precaution.
+ */
+
+ /* AEMIF: Some "address" lines are available as GPIOs. A3..A13
+ * could be too if we used A12 as a GPIO during NAND chipselect
+ * (and Linux did too), letting us control the LED on A7/GPIO61.
+ */
+ REG(PINMUX2) = 0x0c08;
+
+ /* UART0 may still be in SyncReset if we didn't boot from UART */
+ davinci_enable_uart0();
+
+ /* EDMA may be in SyncReset too; turn it on, Linux won't (yet) */
+ lpsc_on(DAVINCI_LPSC_TPCC);
+ lpsc_on(DAVINCI_LPSC_TPTC0);
+ lpsc_on(DAVINCI_LPSC_TPTC1);
+
+ return 0;
+}
+
+#ifdef CONFIG_DRIVER_DM9000
+int board_eth_init(bd_t *bis)
+{
+ return dm9000_initialize(bis);
+}
+#endif
+
+#ifdef CONFIG_NAND_DAVINCI
+
+static void nand_dm355evm_select_chip(struct mtd_info *mtd, int chip)
+{
+ struct nand_chip *this = mtd->priv;
+ unsigned long wbase = (unsigned long) this->IO_ADDR_W;
+ unsigned long rbase = (unsigned long) this->IO_ADDR_R;
+
+ if (chip == 1) {
+ __set_bit(14, &wbase);
+ __set_bit(14, &rbase);
+ } else {
+ __clear_bit(14, &wbase);
+ __clear_bit(14, &rbase);
+ }
+ this->IO_ADDR_W = (void *)wbase;
+ this->IO_ADDR_R = (void *)rbase;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ davinci_nand_init(nand);
+ nand->select_chip = nand_dm355evm_select_chip;
+ return 0;
+}
+
+#endif
+
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+ .input_clk = 108000000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_1,
+};
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+static struct davinci_mmc mmc_sd1 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
+ .input_clk = 108000000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_1,
+};
+#endif
+
+int board_mmc_init(bd_t *bis)
+{
+ int err;
+
+ /* Add slot-0 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd0);
+ if (err)
+ return err;
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+ /* Add slot-1 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd1);
+#endif
+
+ return err;
+}
+#endif