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Message-Id: <1338373143-7467-8-git-send-email-hs@denx.de>
Date: Wed, 30 May 2012 12:19:03 +0200
From: Heiko Schocher <hs@...x.de>
To: davinci-linux-open-source@...ux.davincidsp.com
Cc: Heiko Schocher <hs@...x.de>, linux-arm-kernel@...ts.infradead.org,
devicetree-discuss@...ts.ozlabs.org, linux-mtd@...ts.infradead.org,
linux-i2c@...r.kernel.org, netdev@...r.kernel.org,
David Woodhouse <dwmw2@...radead.org>,
Ben Dooks <ben-linux@...ff.org>,
Wolfram Sang <w.sang@...gutronix.de>,
Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...com>,
Wolfgang Denk <wd@...x.de>,
Scott Wood <scottwood@...escale.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>
Subject: [PATCH v5 7/7] ARM: davinci: add support for the am1808 based enbw_cmc board
- AM1808 based board
- 64 MiB DDR ram
- 2 MiB Nor flash
- 128 MiB NAND flash
- use internal RTC
- I2C support
- hwmon lm75 support
- UBI/UBIFS support
- MMC support
- USB OTG support
Signed-off-by: Heiko Schocher <hs@...x.de>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree-discuss@...ts.ozlabs.org
Cc: davinci-linux-open-source@...ux.davincidsp.com
Cc: linux-mtd@...ts.infradead.org
Cc: linux-i2c@...r.kernel.org
Cc: netdev@...r.kernel.org
Cc: David Woodhouse <dwmw2@...radead.org>
Cc: Ben Dooks <ben-linux@...ff.org>
Cc: Wolfram Sang <w.sang@...gutronix.de>
Cc: Sekhar Nori <nsekhar@...com>
Cc: Kevin Hilman <khilman@...com>
Cc: Wolfgang Denk <wd@...x.de>
Cc: Scott Wood <scottwood@...escale.com>
Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
---
- post this board support with USB support, even though
USB is only working with the 10 ms "workaround", posted here:
http://comments.gmane.org/gmane.linux.usb.general/54505
I see this issue also on the AM1808 TMDXEXP1808L evalboard.
- MMC and USB are not using OF support yet, ideas how to port
this are welcome. I need for USB and MMC boards board
specific callbacks, how to solve this with OF support?
- changes for v2:
- changes in the nand node due to comments from Scott Wood:
- add "ti,davinci-" prefix
- Dashes are preferred to underscores
- rename "nandflash" to "nand"
- introduce new "ti,davinci" specific properties for setting
up ecc_mode, ecc_bits, options and bbt options, instead
using linux defines
- changes for i2c due to comments from Sylwester Nawrocki:
- use "cell-index" instead "id"
- OF_DEV_AUXDATA in the machine code, instead pre-define
platform device name
- add comment from Grant Likely for i2c:
- removed "id" resp. "cell-index" completely
- fixed documentation
- use of_match_ptr()
- use devm_kzalloc() for allocating plattform data mem
- fixed a whitespace issue
- add net comments from Grant Likely:
- add prefix "ti,davinci-" to davinci specific property names
- remove version property
- use compatible name "ti,davinci-dm6460-emac"
- add comment from Grant Likely:
- rename compatible node
- do not use cell-index
- CONFIG_OF required for this board
TODO:
- create a generic board support file, as I got no
answer to my ping to grant, maybe this could be done
in a second step?
- changes for v3:
- add comments from Sergei Shtylyov:
- rename compatible" prop to "ti,cp_intc"
- cp_intc_init now used for Interrupt controller init
- changes for v4:
add comment from Nori Sekhar:
- rename davinci emac compatible property to "ti,davinci-dm6467-emac"
- remove "pinmux-handle" property as discussed here:
http://www.spinics.net/lists/arm-kernel/msg175701.html
with Nori Sekhar
- changes for v5:
add comments from Grant Likely:
- rename compatible" prop to "ti,cp-intc"
arch/arm/boot/dts/enbw_cmc.dts | 172 +++++++++++
arch/arm/configs/enbw_cmc_defconfig | 123 ++++++++
arch/arm/mach-davinci/Kconfig | 9 +
arch/arm/mach-davinci/Makefile | 1 +
arch/arm/mach-davinci/board-enbw-cmc.c | 374 +++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/uncompress.h | 1 +
6 files changed, 680 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/enbw_cmc.dts
create mode 100644 arch/arm/configs/enbw_cmc_defconfig
create mode 100644 arch/arm/mach-davinci/board-enbw-cmc.c
diff --git a/arch/arm/boot/dts/enbw_cmc.dts b/arch/arm/boot/dts/enbw_cmc.dts
new file mode 100644
index 0000000..19c7559
--- /dev/null
+++ b/arch/arm/boot/dts/enbw_cmc.dts
@@ -0,0 +1,172 @@
+/*
+ * Device Tree for the EnBW CMC plattform
+ *
+ * Copyright 2011 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@...x.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.
+ */
+/dts-v1/;
+/include/ "skeleton.dtsi"
+
+/ {
+ model = "EnBW CMC";
+ compatible = "enbw,cmc";
+
+ aliases {
+ ethernet0 = ð0;
+ };
+
+ arm {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0xfffee000 0x00020000>;
+ intc: interrupt-controller@1 {
+ compatible = "ti,cp-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ ti,intc-size = <101>;
+ reg = <0x0 0x2000>;
+ };
+ };
+ soc@...0000 {
+ compatible = "ti,da850";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x01c00000 0x400000>;
+
+ serial0: serial@...2000 {
+ compatible = "ti,da850", "ns16550a";
+ reg = <0x42000 0x100>;
+ clock-frequency = <150000000>;
+ reg-shift = <2>;
+ interrupts = <25>;
+ interrupt-parent = <&intc>;
+ };
+ serial1: serial@...c000 {
+ compatible = "ti,da850", "ns16550a";
+ reg = <0x10c000 0x100>;
+ clock-frequency = <150000000>;
+ reg-shift = <2>;
+ interrupts = <53>;
+ interrupt-parent = <&intc>;
+ };
+ serial2: serial@...d000 {
+ compatible = "ti,da850", "ns16550a";
+ reg = <0x10d000 0x100>;
+ clock-frequency = <150000000>;
+ reg-shift = <2>;
+ interrupts = <61>;
+ interrupt-parent = <&intc>;
+ };
+
+ eth0: emac@...0000 {
+ compatible = "ti,davinci-dm6467-emac";
+ reg = <0x220000 0x4000>;
+ ti,davinci-ctrl-reg-offset = <0x3000>;
+ ti,davinci-ctrl-mod-reg-offset = <0x2000>;
+ ti,davinci-ctrl-ram-offset = <0>;
+ ti,davinci-ctrl-ram-size = <0x2000>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <33
+ 34
+ 35
+ 36
+ >;
+ interrupt-parent = <&intc>;
+ };
+
+ i2c@...2000 {
+ compatible = "ti,davinci-i2c";
+ reg = <0x22000 0x1000>;
+ clock-frequency = <100000>;
+ interrupts = <15>;
+ interrupt-parent = <&intc>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dtt@48 {
+ compatible = "national,lm75";
+ reg = <0x48>;
+ };
+ };
+ };
+ onchipram@...0000 {
+ compatible = "ti,davinci-onchipram";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x80000000 0x20000>;
+ };
+ aemif@...00000 {
+ compatible = "ti,davinci-aemif";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ reg = <0x68000000 0x80000>;
+ ranges = <2 0 0x60000000 0x02000000
+ 3 0 0x62000000 0x02000000
+ 4 0 0x64000000 0x02000000
+ 5 0 0x66000000 0x02000000
+ 6 0 0x68000000 0x02000000>;
+ cs2@...00000 {
+ compatible = "ti,davinci-cs";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ /* all timings in nanoseconds */
+ cs = <2>;
+ asize = <1>;
+ ta = <0>;
+ rhold = <7>;
+ rstrobe = <42>;
+ rsetup = <14>;
+ whold = <7>;
+ wstrobe = <42>;
+ wsetup = <14>;
+ ew = <0>;
+ ss = <0>;
+ };
+ flash@2,0 {
+ compatible = "cfi-flash";
+ reg = <2 0x0 0x400000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ bank-width = <2>;
+ device-width = <2>;
+ };
+ nand_cs: cs3@...00000 {
+ compatible = "ti,davinci-cs";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ /* all timings in nanoseconds */
+ cs = <3>;
+ asize = <0>;
+ ta = <0>;
+ rhold = <7>;
+ rstrobe = <42>;
+ rsetup = <7>;
+ whold = <7>;
+ wstrobe = <14>;
+ wsetup = <7>;
+ ew = <0>;
+ ss = <0>;
+ };
+ nand@3,0 {
+ compatible = "ti,davinci-nand";
+ reg = <3 0x0 0x807ff
+ 6 0x0 0x8000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ti,davinci-chipselect = <1>;
+ ti,davinci-mask-ale = <0>;
+ ti,davinci-mask-cle = <0>;
+ ti,davinci-mask-chipsel = <0>;
+ ti,davinci-ecc-mode = "hw";
+ ti,davinci-ecc-bits = <4>;
+ ti,davinci-nand-use-bbt;
+ timing-handle = <&nand_cs>;
+ };
+
+ };
+};
diff --git a/arch/arm/configs/enbw_cmc_defconfig b/arch/arm/configs/enbw_cmc_defconfig
new file mode 100644
index 0000000..9d98e7f
--- /dev/null
+++ b/arch/arm/configs/enbw_cmc_defconfig
@@ -0,0 +1,123 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EXPERT=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_ARCH_DAVINCI=y
+CONFIG_ARCH_DAVINCI_DA850=y
+# CONFIG_MACH_DAVINCI_DA850_EVM is not set
+CONFIG_GPIO_PCA953X=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+CONFIG_USE_OF=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_INET_LRO is not set
+CONFIG_IPV6=y
+CONFIG_NETFILTER=y
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_FW_LOADER is not set
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_DAVINCI=y
+CONFIG_MTD_UBI=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=32768
+CONFIG_EEPROM_AT24=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_NETDEVICES=y
+CONFIG_MII=y
+CONFIG_TI_DAVINCI_EMAC=y
+# CONFIG_WLAN is not set
+CONFIG_INPUT_POLLDEV=y
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_EVBUG=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_DAVINCI=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_PCF857X=y
+CONFIG_SENSORS_LM75=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_DAVINCI_WATCHDOG=y
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_DA8XX=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_USB_LIBUSUAL=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_FUSB300=y
+CONFIG_USB_ETH=y
+CONFIG_MMC=y
+CONFIG_MMC_DAVINCI=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_OMAP=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_UBIFS_FS=y
+CONFIG_CRAMFS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_ROOT_NFS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=y
+CONFIG_DEBUG_FS=y
+CONFIG_TIMER_STATS=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+CONFIG_CRC_CCITT=m
+CONFIG_CRC_T10DIF=m
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 32d837d..4cb0469 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -202,6 +202,15 @@ config DA850_WL12XX
Say Y if you want to use a wl1271 expansion card connected to the
AM18x EVM.
+config MACH_ENBW_CMC
+ bool "EnBW Communication Module Compact"
+ default ARCH_DAVINCI_DA850
+ depends on ARCH_DAVINCI_DA850
+ select OF
+ help
+ Say Y here to select the EnBW Communication Module Compact
+ board.
+
config GPIO_PCA953X
default MACH_DAVINCI_DA850_EVM
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 2db78bd..12f3166 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o
obj-$(CONFIG_MACH_TNETV107X) += board-tnetv107x-evm.o
obj-$(CONFIG_MACH_MITYOMAPL138) += board-mityomapl138.o
obj-$(CONFIG_MACH_OMAPL138_HAWKBOARD) += board-omapl138-hawk.o
+obj-$(CONFIG_MACH_ENBW_CMC) += board-enbw-cmc.o
# Power Management
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
diff --git a/arch/arm/mach-davinci/board-enbw-cmc.c b/arch/arm/mach-davinci/board-enbw-cmc.c
new file mode 100644
index 0000000..fcec14f
--- /dev/null
+++ b/arch/arm/mach-davinci/board-enbw-cmc.c
@@ -0,0 +1,374 @@
+/*
+ * EnBW Communication Module Compact board
+ * Copyright 2011 DENX Software Engineering GmbH
+ * Author: Heiko Schocher <hs@...x.de>
+ *
+ * based on:
+ * TI DA850/OMAP-L138 EVM board
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Derived from: arch/arm/mach-davinci/board-da850-evm.c
+ * Original Copyrights follow:
+ *
+ * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/console.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/of.h>
+#include <linux/of_net.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/phy.h>
+#include <linux/phy_fixed.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/aemif.h>
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+#include <mach/mux.h>
+#include <mach/nand.h>
+#include <mach/spi.h>
+
+#define ENBW_CMC_MMCSD_CD_PIN GPIO_TO_PIN(3, 13)
+
+/*
+ * USB1 VBUS is controlled by GPIO7[12], over-current is reported on GPIO7[8].
+ */
+#define DA850_USB_VBUS_PIN GPIO_TO_PIN(7, 12)
+#define ON_BD_USB_OVC GPIO_TO_PIN(7, 8)
+
+#if defined(CONFIG_USB_OHCI_HCD)
+static irqreturn_t enbw_cmc_usb_ocic_irq(int irq, void *dev_id);
+static da8xx_ocic_handler_t enbw_cmc_usb_ocic_handler;
+
+static int enbw_cmc_usb_set_power(unsigned port, int on)
+{
+ gpio_set_value(DA850_USB_VBUS_PIN, on);
+ return 0;
+}
+
+static int enbw_cmc_usb_get_power(unsigned port)
+{
+ return gpio_get_value(DA850_USB_VBUS_PIN);
+}
+
+static int enbw_cmc_usb_get_oci(unsigned port)
+{
+ return !gpio_get_value(ON_BD_USB_OVC);
+}
+
+static irqreturn_t enbw_cmc_usb_ocic_irq(int, void *);
+
+static int enbw_cmc_usb_ocic_notify(da8xx_ocic_handler_t handler)
+{
+ int irq = gpio_to_irq(ON_BD_USB_OVC);
+ int error = 0;
+
+ if (handler != NULL) {
+ enbw_cmc_usb_ocic_handler = handler;
+
+ error = request_irq(irq, enbw_cmc_usb_ocic_irq,
+ IRQF_DISABLED | IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING,
+ "OHCI over-current indicator", NULL);
+ if (error)
+ pr_err("%s: could not request IRQ to watch "
+ "over-current indicator changes\n", __func__);
+ } else {
+ free_irq(irq, NULL);
+ }
+ return error;
+}
+
+static struct da8xx_ohci_root_hub enbw_cmc_usb11_pdata = {
+ .set_power = enbw_cmc_usb_set_power,
+ .get_power = enbw_cmc_usb_get_power,
+ .get_oci = enbw_cmc_usb_get_oci,
+ .ocic_notify = enbw_cmc_usb_ocic_notify,
+ .potpgt = (10 + 1) / 2, /* 10 ms max */
+};
+
+static irqreturn_t enbw_cmc_usb_ocic_irq(int irq, void *dev_id)
+{
+ enbw_cmc_usb_ocic_handler(&enbw_cmc_usb11_pdata, 1);
+ return IRQ_HANDLED;
+}
+#endif
+
+static __init void enbw_cmc_usb_init(void)
+{
+ int ret;
+ u32 cfgchip2;
+
+ /* Set up USB clock/mode in the CFGCHIP2 register. */
+ cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
+
+ /* USB2.0 PHY reference clock is AUXCLK with 24MHz */
+ cfgchip2 &= ~CFGCHIP2_REFFREQ;
+ cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ;
+
+ /*
+ * Select internal reference clock for USB 2.0 PHY
+ * and use it as a clock source for USB 1.1 PHY
+ * (this is the default setting anyway).
+ */
+ cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
+ cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX;
+
+ cfgchip2 &= ~CFGCHIP2_OTGMODE;
+ cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
+
+ __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
+
+ /*
+ * SP2525A @ 5V supplies 500mA,
+ * with the power on to power good time of 10 ms.
+ */
+ ret = da8xx_register_usb20(500, 10);
+ if (ret)
+ pr_warning("%s: USB 2.0 registration failed: %d\n",
+ __func__, ret);
+
+#if defined(CONFIG_USB_OHCI_HCD)
+ ret = gpio_request_one(DA850_USB_VBUS_PIN,
+ GPIOF_DIR_OUT, "USB 1.1 VBUS");
+ if (ret < 0) {
+ pr_err("%s: failed to request GPIO for USB 1.1 port "
+ "power control: %d\n", __func__, ret);
+ return;
+ }
+ gpio_direction_input(DA850_USB_VBUS_PIN);
+
+ ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
+ if (ret) {
+ printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
+ "over-current indicator: %d\n", __func__, ret);
+ gpio_free(DA850_USB_VBUS_PIN);
+ return;
+ }
+ gpio_direction_input(ON_BD_USB_OVC);
+
+ ret = da8xx_register_usb11(&enbw_cmc_usb11_pdata);
+ if (ret) {
+ pr_warning("%s: USB 1.1 registration failed: %d\n",
+ __func__, ret);
+ gpio_free(ON_BD_USB_OVC);
+ gpio_free(DA850_USB_VBUS_PIN);
+ }
+#endif
+
+ return;
+}
+
+static int enbw_cmc_mmc_get_ro(int index)
+{
+ return 0;
+}
+
+static int enbw_cmc_mmc_get_cd(int index)
+{
+ return gpio_get_value(ENBW_CMC_MMCSD_CD_PIN) ? 1 : 0;
+}
+
+static struct davinci_mmc_config enbw_cmc_mmc_config = {
+ .get_ro = enbw_cmc_mmc_get_ro,
+ .get_cd = enbw_cmc_mmc_get_cd,
+ .wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+ .version = MMC_CTLR_VERSION_2,
+};
+
+static int __init enbw_cmc_config_emac(void)
+{
+ void __iomem *cfg_chip3_base;
+ u32 val;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ if (!machine_is_enbw_cmc())
+ return 0;
+
+ cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+ val = __raw_readl(cfg_chip3_base);
+ val &= ~BIT(8);
+ pr_info("EMAC: MII PHY configured, RMII PHY will not be"
+ " functional\n");
+
+ /* configure the CFGCHIP3 register for MII */
+ __raw_writel(val, cfg_chip3_base);
+
+ /* use complete info from OF */
+ soc_info->emac_pdata = NULL;
+
+ return 0;
+}
+device_initcall(enbw_cmc_config_emac);
+
+static const s16 da850_dma0_rsv_chans[][2] = {
+ /* (offset, number) */
+ {-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+ /* (offset, number) */
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+ /* (offset, number) */
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+ /* (offset, number) */
+ {-1, -1}
+};
+
+static struct edma_rsv_info da850_edma_cc0_rsv = {
+ .rsv_chans = da850_dma0_rsv_chans,
+ .rsv_slots = da850_dma0_rsv_slots,
+};
+
+static struct edma_rsv_info da850_edma_cc1_rsv = {
+ .rsv_chans = da850_dma1_rsv_chans,
+ .rsv_slots = da850_dma1_rsv_slots,
+};
+
+static struct edma_rsv_info *da850_edma_rsv[2] = {
+ &da850_edma_cc0_rsv,
+ &da850_edma_cc1_rsv,
+};
+
+#ifdef CONFIG_CPU_FREQ
+static __init int da850_evm_init_cpufreq(void)
+{
+ switch (system_rev & 0xF) {
+ case 3:
+ da850_max_speed = 456000;
+ break;
+ case 2:
+ da850_max_speed = 408000;
+ break;
+ case 1:
+ da850_max_speed = 372000;
+ break;
+ }
+
+ return da850_register_cpufreq("pll0_sysclk3");
+}
+#else
+static __init int da850_evm_init_cpufreq(void) { return 0; }
+#endif
+
+struct of_dev_auxdata enbw_cmc_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "ti,davinci-wdt", NULL),
+ OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
+ OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
+ OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
+ NULL),
+ {}
+};
+
+const struct of_device_id enbw_cmc_bus_match_table[] = {
+ { .compatible = "simple-bus", },
+ { .compatible = "ti,da850", },
+ { .compatible = "ti,davinci-onchipram", },
+ { .compatible = "ti,davinci-aemif", },
+ {} /* Empty terminated list */
+};
+
+static __init void enbw_cmc_init(void)
+{
+ int ret;
+
+ of_platform_populate(NULL, enbw_cmc_bus_match_table,
+ enbw_cmc_auxdata_lookup, NULL);
+
+ ret = da8xx_register_watchdog();
+ if (ret)
+ pr_warning("enbw_cmc_init: watchdog registration failed: %d\n",
+ ret);
+
+ ret = da850_register_edma(da850_edma_rsv);
+ if (ret)
+ pr_warning("enbw_cmc_init: edma registration failed: %d\n",
+ ret);
+
+ /*
+ * shut down uart 0 this port is not used on the board
+ */
+ __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
+
+ ret = da8xx_register_rtc();
+ if (ret)
+ pr_warning("enbw_cmc_init: rtc setup failed: %d\n", ret);
+
+ ret = da850_evm_init_cpufreq();
+ if (ret)
+ pr_warning("enbw_cmc_init: cpufreq registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_cpuidle();
+ if (ret)
+ pr_warning("enbw_cmc_init: cpuidle registration failed: %d\n",
+ ret);
+
+ ret = gpio_request(ENBW_CMC_MMCSD_CD_PIN, "MMC CD\n");
+ if (ret)
+ pr_warning("enbw_cmc_init: can not open GPIO %d\n",
+ ENBW_CMC_MMCSD_CD_PIN);
+ gpio_direction_input(ENBW_CMC_MMCSD_CD_PIN);
+
+ ret = da850_register_mmcsd1(&enbw_cmc_mmc_config);
+ if (ret)
+ pr_warning("enbw_cmc_init: mmcsd1 registration failed:"
+ " %d\n", ret);
+
+ enbw_cmc_usb_init();
+}
+
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static int __init enbw_cmc_console_init(void)
+{
+ if (!machine_is_enbw_cmc())
+ return 0;
+
+ return add_preferred_console("ttyS", 2, "115200");
+}
+console_initcall(enbw_cmc_console_init);
+#endif
+
+static void __init enbw_cmc_map_io(void)
+{
+ da850_init();
+}
+
+static const char *enbw_cmc_board_compat[] __initconst = {
+ "enbw,cmc",
+ NULL
+};
+
+MACHINE_START(ENBW_CMC, "EnBW CMC")
+ .map_io = enbw_cmc_map_io,
+ .init_irq = cp_intc_init,
+ .timer = &davinci_timer,
+ .init_machine = enbw_cmc_init,
+ .dt_compat = enbw_cmc_board_compat,
+ .dma_zone_size = SZ_128M,
+ .restart = da8xx_restart,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index da2fb2c..6119543 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -98,6 +98,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
DEBUG_LL_DA8XX(davinci_da850_evm, 2);
DEBUG_LL_DA8XX(mityomapl138, 1);
DEBUG_LL_DA8XX(omapl138_hawkboard, 2);
+ DEBUG_LL_DA8XX(enbw_cmc, 2);
/* TNETV107x boards */
DEBUG_LL_TNETV107X(tnetv107x, 1);
--
1.7.7.6
--
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