summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/board/bf518f-ezbrd
diff options
context:
space:
mode:
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/bf518f-ezbrd
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/bf518f-ezbrd')
-rw-r--r--qemu/roms/u-boot/board/bf518f-ezbrd/Makefile12
-rw-r--r--qemu/roms/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c176
2 files changed, 188 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/bf518f-ezbrd/Makefile b/qemu/roms/u-boot/board/bf518f-ezbrd/Makefile
new file mode 100644
index 000000000..3a6abaa63
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf518f-ezbrd/Makefile
@@ -0,0 +1,12 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := bf518f-ezbrd.o
diff --git a/qemu/roms/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c b/qemu/roms/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c
new file mode 100644
index 000000000..3a94a572e
--- /dev/null
+++ b/qemu/roms/u-boot/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -0,0 +1,176 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2008-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <net.h>
+#include <netdev.h>
+#include <spi.h>
+#include <asm/blackfin.h>
+#include <asm/portmux.h>
+#include <asm/mach-common/bits/otp.h>
+#include <asm/sdh.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: ADI BF518F EZ-Board board\n");
+ printf(" Support: http://blackfin.uclinux.org/\n");
+ return 0;
+}
+
+#if defined(CONFIG_BFIN_MAC)
+static void board_init_enetaddr(uchar *mac_addr)
+{
+#ifdef CONFIG_SYS_NO_FLASH
+# define USE_MAC_IN_FLASH 0
+#else
+# define USE_MAC_IN_FLASH 1
+#endif
+ bool valid_mac = false;
+
+ if (USE_MAC_IN_FLASH) {
+ /* we cram the MAC in the last flash sector */
+ uchar *board_mac_addr = (uchar *)0x203F0096;
+ if (is_valid_ether_addr(board_mac_addr)) {
+ memcpy(mac_addr, board_mac_addr, 6);
+ valid_mac = true;
+ }
+ }
+
+ if (!valid_mac) {
+ puts("Warning: Generating 'random' MAC address\n");
+ eth_random_addr(mac_addr);
+ }
+
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+/* Only the first run of boards had a KSZ switch */
+#if defined(CONFIG_BFIN_SPI) && __SILICON_REVISION__ == 0
+# define KSZ_POSSIBLE 1
+#else
+# define KSZ_POSSIBLE 0
+#endif
+
+#define KSZ_MAX_HZ 5000000
+
+#define KSZ_WRITE 0x02
+#define KSZ_READ 0x03
+
+#define KSZ_REG_CHID 0x00 /* Register 0: Chip ID0 */
+#define KSZ_REG_STPID 0x01 /* Register 1: Chip ID1 / Start Switch */
+#define KSZ_REG_GC9 0x0b /* Register 11: Global Control 9 */
+#define KSZ_REG_P3C0 0x30 /* Register 48: Port 3 Control 0 */
+
+static int ksz8893m_transfer(struct spi_slave *slave, uchar dir, uchar reg,
+ uchar data, uchar result[3])
+{
+ unsigned char dout[3] = { dir, reg, data, };
+ return spi_xfer(slave, sizeof(dout) * 8, dout, result, SPI_XFER_BEGIN | SPI_XFER_END);
+}
+
+static int ksz8893m_reg_set(struct spi_slave *slave, uchar reg, uchar data)
+{
+ unsigned char din[3];
+ return ksz8893m_transfer(slave, KSZ_WRITE, reg, data, din);
+}
+
+static int ksz8893m_reg_read(struct spi_slave *slave, uchar reg)
+{
+ int ret;
+ unsigned char din[3];
+ ret = ksz8893m_transfer(slave, KSZ_READ, reg, 0, din);
+ return ret ? ret : din[2];
+}
+
+static int ksz8893m_reg_clear(struct spi_slave *slave, uchar reg, uchar mask)
+{
+ return ksz8893m_reg_set(slave, reg, ksz8893m_reg_read(slave, reg) & mask);
+}
+
+static int ksz8893m_reset(struct spi_slave *slave)
+{
+ int ret = 0;
+
+ /* Disable STPID mode */
+ ret |= ksz8893m_reg_clear(slave, KSZ_REG_GC9, 0x01);
+
+ /* Disable VLAN tag insert on Port3 */
+ ret |= ksz8893m_reg_clear(slave, KSZ_REG_P3C0, 0x04);
+
+ /* Start switch */
+ ret |= ksz8893m_reg_set(slave, KSZ_REG_STPID, 0x01);
+
+ return ret;
+}
+
+static bool board_ksz_init(void)
+{
+ static bool switch_is_alive = false;
+
+ if (!switch_is_alive) {
+ struct spi_slave *slave = spi_setup_slave(0, 1, KSZ_MAX_HZ, SPI_MODE_3);
+ if (slave) {
+ if (!spi_claim_bus(slave)) {
+ bool phy_is_ksz = (ksz8893m_reg_read(slave, KSZ_REG_CHID) == 0x88);
+ int ret = phy_is_ksz ? ksz8893m_reset(slave) : 0;
+ switch_is_alive = (ret == 0);
+ spi_release_bus(slave);
+ }
+ spi_free_slave(slave);
+ }
+ }
+
+ return switch_is_alive;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ if (KSZ_POSSIBLE) {
+ if (!board_ksz_init())
+ return 0;
+ }
+ return bfin_EMAC_initialize(bis);
+}
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+ uchar enetaddr[6];
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+ board_init_enetaddr(enetaddr);
+#endif
+
+#ifndef CONFIG_SYS_NO_FLASH
+ /* we use the last sector for the MAC address / POST LDR */
+ extern flash_info_t flash_info[];
+ flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
+#endif
+
+ return 0;
+}
+
+int board_early_init_f(void)
+{
+ /* connect async banks by default */
+ const unsigned short pins[] = {
+ P_AMS2, P_AMS3, 0,
+ };
+ return peripheral_request_list(pins, "async");
+}
+
+#ifdef CONFIG_BFIN_SDH
+int board_mmc_init(bd_t *bis)
+{
+ return bfin_mmc_init(bis);
+}
+#endif