summaryrefslogtreecommitdiffstats
path: root/board/spear/x600/x600.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/spear/x600/x600.c')
-rw-r--r--board/spear/x600/x600.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/board/spear/x600/x600.c b/board/spear/x600/x600.c
new file mode 100644
index 0000000000..96ec0ad8a5
--- /dev/null
+++ b/board/spear/x600/x600.c
@@ -0,0 +1,124 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * Copyright (C) 2012 Stefan Roese <sr@denx.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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <nand.h>
+#include <netdev.h>
+#include <phy.h>
+#include <rtc.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_defs.h>
+#include <asm/arch/spr_misc.h>
+#include <linux/mtd/fsmc_nand.h>
+#include "fpga.h"
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
+
+int board_init(void)
+{
+ /*
+ * X600 is equipped with an M41T82 RTC. This RTC has the
+ * HT bit (Halt Update), which needs to be cleared upon
+ * power-up. Otherwise the RTC is halted.
+ */
+ rtc_reset();
+
+ return spear_board_init(MACH_TYPE_SPEAR600);
+}
+
+int board_late_init(void)
+{
+ /*
+ * Monitor and env protection on by default
+ */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE +
+ CONFIG_SYS_SPL_LEN + CONFIG_SYS_MONITOR_LEN +
+ 2 * CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[0]);
+
+ /* Init FPGA subsystem */
+ x600_init_fpga();
+
+ return 0;
+}
+
+/*
+ * board_nand_init - Board specific NAND initialization
+ * @nand: mtd private chip structure
+ *
+ * Called by nand_init_chip to initialize the board specific functions
+ */
+
+void board_nand_init(void)
+{
+ struct misc_regs *const misc_regs_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ struct nand_chip *nand = &nand_chip[0];
+
+ if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS))
+ fsmc_nand_init(nand);
+}
+
+int designware_board_phy_init(struct eth_device *dev, int phy_addr,
+ int (*mii_write)(struct eth_device *, u8, u8, u16),
+ int dw_reset_phy(struct eth_device *))
+{
+ /* Extended PHY control 1, select GMII */
+ mii_write(dev, phy_addr, 23, 0x0020);
+
+ /* Software reset necessary after GMII mode selction */
+ dw_reset_phy(dev);
+
+ /* Enable extended page register access */
+ mii_write(dev, phy_addr, 31, 0x0001);
+
+ /* 17e: Enhanced LED behavior, needs to be written twice */
+ mii_write(dev, phy_addr, 17, 0x09ff);
+ mii_write(dev, phy_addr, 17, 0x09ff);
+
+ /* 16e: Enhanced LED method select */
+ mii_write(dev, phy_addr, 16, 0xe0ea);
+
+ /* Disable extended page register access */
+ mii_write(dev, phy_addr, 31, 0x0000);
+
+ /* Enable clock output pin */
+ mii_write(dev, phy_addr, 18, 0x0049);
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int ret = 0;
+
+ if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_PHY_ADDR,
+ PHY_INTERFACE_MODE_GMII) >= 0)
+ ret++;
+
+ return ret;
+}
OpenPOWER on IntegriCloud