pcm051: Add support for Phytec phyCORE-AM335x

The board is named pcm051 and has this hardware:
SOC: TI AM3359
DDR3-RAM: 2x MT41J256M8HX-15EIT:D 512MiB
ETH 1: LAN8710AI
SPI-Flash: W25Q64BVSSIG
RTC: RV-4162-C7
I2C-EEPROM: CAT32WC32
NAND: MT29F4G08_VFPGA63
PMIC: TPS65910A3
LCD

Supported:
UART 1
MMC/SD
ETH 1
USB
I2C
SPI

Not yet supported:
NAND
RTC
LCD

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
[trini: Add #define CONFIG_PHY_ADDR 0 to config]
Signed-off-by: Tom Rini <trini@ti.com>

4 files changed, 478 insertions, 0 deletions

diff --git a/board/phytec/pcm051/Makefile b/board/phytec/pcm051/Makefile
new file mode 100644
index 0000000..67a87a1
--- /dev/null
+++ b/board/phytec/pcm051/Makefile
@@ -0,0 +1,46 @@
+#
+# Makefile
+#
+# Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+#
+# 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 "as is" WITHOUT ANY WARRANTY of any
+# kind, whether express or implied; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+ifdef CONFIG_SPL_BUILD
+COBJS	:= mux.o
+endif
+
+COBJS	+= board.o
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/phytec/pcm051/board.c b/board/phytec/pcm051/board.c
new file mode 100644
index 0000000..55bc018
--- /dev/null
+++ b/board/phytec/pcm051/board.c
@@ -0,0 +1,266 @@
+/*
+ * board.c
+ *
+ * Board functions for Phytec phyCORE-AM335x (pcm051) based boards
+ *
+ * Copyright (C) 2013 Lemonage Software GmbH
+ * Author Lars Poeschel <poeschel@lemonage.de>
+ *
+ * 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 <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
+#ifdef CONFIG_SPL_BUILD
+static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
+#endif
+
+/* MII mode defines */
+#define MII_MODE_ENABLE		0x0
+#define RGMII_MODE_ENABLE	0xA
+#define RMII_RGMII2_MODE_ENABLE	0x49
+
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+/* UART defines */
+#ifdef CONFIG_SPL_BUILD
+#define UART_RESET		(0x1 << 1)
+#define UART_CLK_RUNNING_MASK	0x1
+#define UART_SMART_IDLE_EN	(0x1 << 0x3)
+
+/* DDR RAM defines */
+#define DDR_CLK_MHZ		303 /* DDR_DPLL_MULT value */
+
+static void rtc32k_enable(void)
+{
+	struct rtc_regs *rtc = (struct rtc_regs *)AM335X_RTC_BASE;
+
+	/*
+	 * Unlock the RTC's registers.  For more details please see the
+	 * RTC_SS section of the TRM.  In order to unlock we need to
+	 * write these specific values (keys) in this order.
+	 */
+	writel(0x83e70b13, &rtc->kick0r);
+	writel(0x95a4f1e0, &rtc->kick1r);
+
+	/* Enable the RTC 32K OSC by setting bits 3 and 6. */
+	writel((1 << 3) | (1 << 6), &rtc->osc);
+}
+
+static const struct ddr_data ddr3_data = {
+	.datardsratio0 = MT41J256M8HX15E_RD_DQS,
+	.datawdsratio0 = MT41J256M8HX15E_WR_DQS,
+	.datafwsratio0 = MT41J256M8HX15E_PHY_FIFO_WE,
+	.datawrsratio0 = MT41J256M8HX15E_PHY_WR_DATA,
+	.datadldiff0 = PHY_DLL_LOCK_DIFF,
+};
+
+static const struct cmd_control ddr3_cmd_ctrl_data = {
+	.cmd0csratio = MT41J256M8HX15E_RATIO,
+	.cmd0dldiff = MT41J256M8HX15E_DLL_LOCK_DIFF,
+	.cmd0iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
+
+	.cmd1csratio = MT41J256M8HX15E_RATIO,
+	.cmd1dldiff = MT41J256M8HX15E_DLL_LOCK_DIFF,
+	.cmd1iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
+
+	.cmd2csratio = MT41J256M8HX15E_RATIO,
+	.cmd2dldiff = MT41J256M8HX15E_DLL_LOCK_DIFF,
+	.cmd2iclkout = MT41J256M8HX15E_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_emif_reg_data = {
+	.sdram_config = MT41J256M8HX15E_EMIF_SDCFG,
+	.ref_ctrl = MT41J256M8HX15E_EMIF_SDREF,
+	.sdram_tim1 = MT41J256M8HX15E_EMIF_TIM1,
+	.sdram_tim2 = MT41J256M8HX15E_EMIF_TIM2,
+	.sdram_tim3 = MT41J256M8HX15E_EMIF_TIM3,
+	.zq_config = MT41J256M8HX15E_ZQ_CFG,
+	.emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY,
+};
+#endif
+
+/*
+ * early system init of muxing and clocks.
+ */
+void s_init(void)
+{
+	/*
+	 * WDT1 is already running when the bootloader gets control
+	 * Disable it to avoid "random" resets
+	 */
+	writel(0xAAAA, &wdtimer->wdtwspr);
+	while (readl(&wdtimer->wdtwwps) != 0x0)
+		;
+	writel(0x5555, &wdtimer->wdtwspr);
+	while (readl(&wdtimer->wdtwwps) != 0x0)
+		;
+
+#ifdef CONFIG_SPL_BUILD
+	/* Setup the PLLs and the clocks for the peripherals */
+	pll_init();
+
+	/* Enable RTC32K clock */
+	rtc32k_enable();
+
+	/* UART softreset */
+	u32 regval;
+
+	enable_uart0_pin_mux();
+
+	regval = readl(&uart_base->uartsyscfg);
+	regval |= UART_RESET;
+	writel(regval, &uart_base->uartsyscfg);
+	while ((readl(&uart_base->uartsyssts) &	UART_CLK_RUNNING_MASK)
+		!= UART_CLK_RUNNING_MASK)
+		;
+
+	/* Disable smart idle */
+	regval = readl(&uart_base->uartsyscfg);
+	regval |= UART_SMART_IDLE_EN;
+	writel(regval, &uart_base->uartsyscfg);
+
+	gd = &gdata;
+
+	preloader_console_init();
+
+	/* Initalize the board header */
+	enable_i2c0_pin_mux();
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+	enable_board_pin_mux();
+
+	config_ddr(DDR_CLK_MHZ, MT41J256M8HX15E_IOCTRL_VALUE, &ddr3_data,
+			&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data);
+#endif
+}
+
+/*
+ * Basic board specific setup.  Pinmux has been handled already.
+ */
+int board_init(void)
+{
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+	gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_CPSW
+static void cpsw_control(int enabled)
+{
+	/* VTP can be added here */
+
+	return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+	{
+		.slave_reg_ofs	= 0x208,
+		.sliver_reg_ofs	= 0xd80,
+		.phy_id		= 0,
+		.phy_if		= PHY_INTERFACE_MODE_RGMII,
+	},
+	{
+		.slave_reg_ofs	= 0x308,
+		.sliver_reg_ofs	= 0xdc0,
+		.phy_id		= 1,
+		.phy_if		= PHY_INTERFACE_MODE_RGMII,
+	},
+};
+
+static struct cpsw_platform_data cpsw_data = {
+	.mdio_base		= AM335X_CPSW_MDIO_BASE,
+	.cpsw_base		= AM335X_CPSW_BASE,
+	.mdio_div		= 0xff,
+	.channels		= 8,
+	.cpdma_reg_ofs		= 0x800,
+	.slaves			= 1,
+	.slave_data		= cpsw_slaves,
+	.ale_reg_ofs		= 0xd00,
+	.ale_entries		= 1024,
+	.host_port_reg_ofs	= 0x108,
+	.hw_stats_reg_ofs	= 0x900,
+	.mac_control		= (1 << 5),
+	.control		= cpsw_control,
+	.host_port_num		= 0,
+	.version		= CPSW_CTRL_VERSION_2,
+};
+#endif
+
+#if defined(CONFIG_DRIVER_TI_CPSW) || \
+	(defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
+int board_eth_init(bd_t *bis)
+{
+	int rv, n = 0;
+#ifdef CONFIG_DRIVER_TI_CPSW
+	uint8_t mac_addr[6];
+	uint32_t mac_hi, mac_lo;
+
+	if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
+		printf("<ethaddr> not set. Reading from E-fuse\n");
+		/* try reading mac address from efuse */
+		mac_lo = readl(&cdev->macid0l);
+		mac_hi = readl(&cdev->macid0h);
+		mac_addr[0] = mac_hi & 0xFF;
+		mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+		mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+		mac_addr[4] = mac_lo & 0xFF;
+		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+		if (is_valid_ether_addr(mac_addr))
+			eth_setenv_enetaddr("ethaddr", mac_addr);
+		else
+			goto try_usbether;
+	}
+
+	writel(RMII_RGMII2_MODE_ENABLE, &cdev->miisel);
+
+	rv = cpsw_register(&cpsw_data);
+	if (rv < 0)
+		printf("Error %d registering CPSW switch\n", rv);
+	else
+		n += rv;
+try_usbether:
+#endif
+
+#if defined(CONFIG_USB_ETHER) && !defined(CONFIG_SPL_BUILD)
+	rv = usb_eth_initialize(bis);
+	if (rv < 0)
+		printf("Error %d registering USB_ETHER\n", rv);
+	else
+		n += rv;
+#endif
+	return n;
+}
+#endif
diff --git a/board/phytec/pcm051/board.h b/board/phytec/pcm051/board.h
new file mode 100644
index 0000000..c2630d7
--- /dev/null
+++ b/board/phytec/pcm051/board.h
@@ -0,0 +1,33 @@
+/*
+ * board.h
+ *
+ * Phytec phyCORE-AM335x (pcm051) boards information header
+ *
+ * Copyright (C) 2013, Lemonage Software GmbH
+ * Author Lars Poeschel <poeschel@lemonage.de>
+ *
+ * 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.
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * We have three pin mux functions that must exist.  We must be able to enable
+ * uart0, for initial output and i2c0 to read the main EEPROM.  We then have a
+ * main pinmux function that can be overridden to enable all other pinmux that
+ * is required on the board.
+ */
+void enable_uart0_pin_mux(void);
+void enable_i2c0_pin_mux(void);
+void enable_board_pin_mux(void);
+void enable_cbmux_pin_mux(void);
+#endif
diff --git a/board/phytec/pcm051/mux.c b/board/phytec/pcm051/mux.c
new file mode 100644
index 0000000..2cda331
--- /dev/null
+++ b/board/phytec/pcm051/mux.c
@@ -0,0 +1,133 @@
+/*
+ * mux.c
+ *
+ * Copyright (C) 2013 Lemonage Software GmbH
+ * Author Lars Poeschel <poeschel@lemonage.de>
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; 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 <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
+	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
+	{-1},
+};
+
+#ifdef CONFIG_MMC
+static struct module_pin_mux mmc0_pin_mux[] = {
+	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
+	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
+	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
+	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
+	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
+	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
+	{OFFSET(mcasp0_aclkr), (MODE(4) | RXACTIVE)},		/* MMC0_WP */
+	{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},	/* MMC0_CD */
+	{-1},
+};
+#endif
+
+#ifdef CONFIG_I2C
+static struct module_pin_mux i2c0_pin_mux[] = {
+	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
+	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
+	{-1},
+};
+#endif
+
+#ifdef CONFIG_SPI
+static struct module_pin_mux spi0_pin_mux[] = {
+	{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)},	/* SPI0_SCLK */
+	{OFFSET(spi0_d0), (MODE(0) | RXACTIVE |
+			PULLUDEN | PULLUP_EN)},			/* SPI0_D0 */
+	{OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)},	/* SPI0_D1 */
+	{OFFSET(spi0_cs0), (MODE(0) | RXACTIVE |
+			PULLUDEN | PULLUP_EN)},			/* SPI0_CS0 */
+	{-1},
+};
+#endif
+
+static struct module_pin_mux gpio0_7_pin_mux[] = {
+	{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)},	/* GPIO0_7 */
+	{-1},
+};
+
+static struct module_pin_mux rmii1_pin_mux[] = {
+	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},     /* RMII1_CRS */
+	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},   /* RMII1_RXERR */
+	{OFFSET(mii1_txen), MODE(1)},               /* RMII1_TXEN */
+	{OFFSET(mii1_txd1), MODE(1)},               /* RMII1_TXD1 */
+	{OFFSET(mii1_txd0), MODE(1)},               /* RMII1_TXD0 */
+	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},    /* RMII1_RXD1 */
+	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},    /* RMII1_RXD0 */
+	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
+	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},    /* MDIO_CLK */
+	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK */
+	{-1},
+};
+
+static struct module_pin_mux cbmux_pin_mux[] = {
+	{OFFSET(uart0_ctsn), MODE(7) | RXACTIVE | PULLDOWN_EN}, /* JP3 */
+	{OFFSET(uart0_rtsn), MODE(7) | RXACTIVE | PULLUP_EN},	/* JP4 */
+	{-1},
+};
+
+#ifdef CONFIG_NAND
+static struct module_pin_mux nand_pin_mux[] = {
+	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
+	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
+	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
+	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
+	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
+	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
+	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
+	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
+	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
+	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
+	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},	/* NAND_CS0 */
+	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
+	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
+	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
+	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
+	{-1},
+};
+#endif
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_i2c0_pin_mux(void)
+{
+	configure_module_pin_mux(i2c0_pin_mux);
+}
+
+void enable_board_pin_mux()
+{
+	configure_module_pin_mux(rmii1_pin_mux);
+	configure_module_pin_mux(mmc0_pin_mux);
+	configure_module_pin_mux(cbmux_pin_mux);
+#ifdef CONFIG_NAND
+	configure_module_pin_mux(nand_pin_mux);
+#endif
+#ifdef CONFIG_SPI
+	configure_module_pin_mux(spi0_pin_mux);
+#endif
+}