Merge branch 'lpc32xx/dt' of git://git.antcom.de/linux-2.6 into next/dt

Roland Stigge <stigge@antcom.de> writes:
  this is a rearrangement of all mach-lpc32xx specific patches for device
  tree conversion. Please note that:

  * It builds upon the i2c-pnx changes (see previous pull request, branch
    lpc32xx/i2c)
  * Dave Miller gave permission to merge the lpc_eth.c change via arm-soc
    (patch 1/8)

  The rest of the patches is mach-lpc32xx only.

* 'lpc32xx/dt' of git://git.antcom.de/linux-2.6:
  ARM: LPC32xx: Defconfig update
  ARM: LPC32xx: Move common code to common.c
  ARM: LPC32xx: Device tree support
  ARM: LPC32xx: DTS files for device tree conversion
  ARM: LPC32xx: Remove obsolete platform Kconfig
  ARM: LPC32xx: clock.c registration adjustment
  ARM: LPC32xx: clock.c cleanup
  net: Add device tree support to LPC32xx

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: rebuilt branch due to drop of an early merge]
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Arnd Bergmann 2012-04-22 23:26:08 +02:00 коммит произвёл Olof Johansson
Родитель 48bfdb216e 89982a181b
Коммит 22251a9b72
14 изменённых файлов: 754 добавлений и 418 удалений

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@ -0,0 +1,38 @@
* NXP LPC32xx Main Interrupt Controller
(MIC, including SIC1 and SIC2 secondary controllers)
Required properties:
- compatible: Should be "nxp,lpc3220-mic"
- interrupt-controller: Identifies the node as an interrupt controller.
- interrupt-parent: Empty for the interrupt controller itself
- #interrupt-cells: The number of cells to define the interrupts. Should be 2.
The first cell is the IRQ number
The second cell is used to specify mode:
1 = low-to-high edge triggered
2 = high-to-low edge triggered
4 = active high level-sensitive
8 = active low level-sensitive
Default for internal sources should be set to 4 (active high).
- reg: Should contain MIC registers location and length
Examples:
/*
* MIC
*/
mic: interrupt-controller@40008000 {
compatible = "nxp,lpc3220-mic";
interrupt-controller;
interrupt-parent;
#interrupt-cells = <2>;
reg = <0x40008000 0xC000>;
};
/*
* ADC
*/
adc@40048000 {
compatible = "nxp,lpc3220-adc";
reg = <0x40048000 0x1000>;
interrupt-parent = <&mic>;
interrupts = <39 4>;
};

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@ -0,0 +1,8 @@
NXP LPC32xx Platforms Device Tree Bindings
------------------------------------------
Boards with the NXP LPC32xx SoC shall have the following properties:
Required root node property:
compatible: must be "nxp,lpc3220", "nxp,lpc3230", "nxp,lpc3240" or "nxp,lpc3250"

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@ -0,0 +1,24 @@
* NXP LPC32xx SoC Ethernet Controller
Required properties:
- compatible: Should be "nxp,lpc-eth"
- reg: Address and length of the register set for the device
- interrupts: Should contain ethernet controller interrupt
Optional properties:
- phy-mode: String, operation mode of the PHY interface.
Supported values are: "mii", "rmii" (default)
- use-iram: Use LPC32xx internal SRAM (IRAM) for DMA buffering
- local-mac-address : 6 bytes, mac address
Example:
mac: ethernet@31060000 {
compatible = "nxp,lpc-eth";
reg = <0x31060000 0x1000>;
interrupt-parent = <&mic>;
interrupts = <29 0>;
phy-mode = "rmii";
use-iram;
};

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@ -597,6 +597,7 @@ config ARCH_LPC32XX
select USB_ARCH_HAS_OHCI
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select USE_OF
help
Support for the NXP LPC32XX family of processors

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@ -0,0 +1,292 @@
/*
* NXP LPC32xx SoC
*
* Copyright 2012 Roland Stigge <stigge@antcom.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/include/ "skeleton.dtsi"
/ {
compatible = "nxp,lpc3220";
interrupt-parent = <&mic>;
cpus {
cpu@0 {
compatible = "arm,arm926ejs";
};
};
ahb {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0x20000000 0x20000000 0x30000000>;
/*
* Enable either SLC or MLC
*/
slc: flash@20020000 {
compatible = "nxp,lpc3220-slc";
reg = <0x20020000 0x1000>;
status = "disable";
};
mlc: flash@200B0000 {
compatible = "nxp,lpc3220-mlc";
reg = <0x200B0000 0x1000>;
status = "disable";
};
dma@31000000 {
compatible = "arm,pl080", "arm,primecell";
reg = <0x31000000 0x1000>;
interrupts = <0x1c 0>;
};
/*
* Enable either ohci or usbd (gadget)!
*/
ohci@31020000 {
compatible = "nxp,ohci-nxp", "usb-ohci";
reg = <0x31020000 0x300>;
interrupts = <0x3b 0>;
status = "disable";
};
usbd@31020000 {
compatible = "nxp,lpc3220-udc";
reg = <0x31020000 0x300>;
interrupts = <0x3d 0>, <0x3e 0>, <0x3c 0>, <0x3a 0>;
status = "disable";
};
clcd@31040000 {
compatible = "arm,pl110", "arm,primecell";
reg = <0x31040000 0x1000>;
interrupts = <0x0e 0>;
status = "disable";
};
mac: ethernet@31060000 {
compatible = "nxp,lpc-eth";
reg = <0x31060000 0x1000>;
interrupts = <0x1d 0>;
};
apb {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0x20000000 0x20000000 0x30000000>;
ssp0: ssp@20084000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x20084000 0x1000>;
interrupts = <0x14 0>;
};
spi1: spi@20088000 {
compatible = "nxp,lpc3220-spi";
reg = <0x20088000 0x1000>;
};
ssp1: ssp@2008c000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x2008c000 0x1000>;
interrupts = <0x15 0>;
};
spi2: spi@20090000 {
compatible = "nxp,lpc3220-spi";
reg = <0x20090000 0x1000>;
};
i2s0: i2s@20094000 {
compatible = "nxp,lpc3220-i2s";
reg = <0x20094000 0x1000>;
};
sd@20098000 {
compatible = "arm,pl180", "arm,primecell";
reg = <0x20098000 0x1000>;
interrupts = <0x0f 0>, <0x0d 0>;
};
i2s1: i2s@2009C000 {
compatible = "nxp,lpc3220-i2s";
reg = <0x2009C000 0x1000>;
};
uart3: serial@40080000 {
compatible = "nxp,serial";
reg = <0x40080000 0x1000>;
};
uart4: serial@40088000 {
compatible = "nxp,serial";
reg = <0x40088000 0x1000>;
};
uart5: serial@40090000 {
compatible = "nxp,serial";
reg = <0x40090000 0x1000>;
};
uart6: serial@40098000 {
compatible = "nxp,serial";
reg = <0x40098000 0x1000>;
};
i2c1: i2c@400A0000 {
compatible = "nxp,pnx-i2c";
reg = <0x400A0000 0x100>;
interrupts = <0x33 0>;
#address-cells = <1>;
#size-cells = <0>;
pnx,timeout = <0x64>;
};
i2c2: i2c@400A8000 {
compatible = "nxp,pnx-i2c";
reg = <0x400A8000 0x100>;
interrupts = <0x32 0>;
#address-cells = <1>;
#size-cells = <0>;
pnx,timeout = <0x64>;
};
i2cusb: i2c@31020300 {
compatible = "nxp,pnx-i2c";
reg = <0x31020300 0x100>;
interrupts = <0x3f 0>;
#address-cells = <1>;
#size-cells = <0>;
pnx,timeout = <0x64>;
};
};
fab {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0x20000000 0x20000000 0x30000000>;
/*
* MIC Interrupt controller includes:
* MIC @40008000
* SIC1 @4000C000
* SIC2 @40010000
*/
mic: interrupt-controller@40008000 {
compatible = "nxp,lpc3220-mic";
interrupt-controller;
reg = <0x40008000 0xC000>;
#interrupt-cells = <2>;
};
uart1: serial@40014000 {
compatible = "nxp,serial";
reg = <0x40014000 0x1000>;
};
uart2: serial@40018000 {
compatible = "nxp,serial";
reg = <0x40018000 0x1000>;
};
uart7: serial@4001C000 {
compatible = "nxp,serial";
reg = <0x4001C000 0x1000>;
};
rtc@40024000 {
compatible = "nxp,lpc3220-rtc";
reg = <0x40024000 0x1000>;
interrupts = <0x34 0>;
};
gpio: gpio@40028000 {
compatible = "nxp,lpc3220-gpio";
reg = <0x40028000 0x1000>;
/* create a private address space for enumeration */
#address-cells = <1>;
#size-cells = <0>;
gpio_p0: gpio-bank@0 {
gpio-controller;
#gpio-cells = <2>;
reg = <0>;
};
gpio_p1: gpio-bank@1 {
gpio-controller;
#gpio-cells = <2>;
reg = <1>;
};
gpio_p2: gpio-bank@2 {
gpio-controller;
#gpio-cells = <2>;
reg = <2>;
};
gpio_p3: gpio-bank@3 {
gpio-controller;
#gpio-cells = <2>;
reg = <3>;
};
gpi_p3: gpio-bank@4 {
gpio-controller;
#gpio-cells = <2>;
reg = <4>;
};
gpo_p3: gpio-bank@5 {
gpio-controller;
#gpio-cells = <2>;
reg = <5>;
};
};
watchdog@4003C000 {
compatible = "nxp,pnx4008-wdt";
reg = <0x4003C000 0x1000>;
};
/*
* TSC vs. ADC: Since those two share the same
* hardware, you need to choose from one of the
* following two and do 'status = "okay";' for one of
* them
*/
adc@40048000 {
compatible = "nxp,lpc3220-adc";
reg = <0x40048000 0x1000>;
interrupts = <0x27 0>;
status = "disable";
};
tsc@40048000 {
compatible = "nxp,lpc3220-tsc";
reg = <0x40048000 0x1000>;
interrupts = <0x27 0>;
status = "disable";
};
key@40050000 {
compatible = "nxp,lpc3220-key";
reg = <0x40050000 0x1000>;
};
};
};
};

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@ -0,0 +1,145 @@
/*
* PHYTEC phyCORE-LPC3250 board
*
* Copyright 2012 Roland Stigge <stigge@antcom.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/dts-v1/;
/include/ "lpc32xx.dtsi"
/ {
model = "PHYTEC phyCORE-LPC3250 board based on NXP LPC3250";
compatible = "phytec,phy3250", "nxp,lpc3250";
#address-cells = <1>;
#size-cells = <1>;
memory {
device_type = "memory";
reg = <0 0x4000000>;
};
ahb {
mac: ethernet@31060000 {
phy-mode = "rmii";
use-iram;
};
/* Here, choose exactly one from: ohci, usbd */
ohci@31020000 {
transceiver = <&isp1301>;
status = "okay";
};
/*
usbd@31020000 {
transceiver = <&isp1301>;
status = "okay";
};
*/
clcd@31040000 {
status = "okay";
};
/* 64MB Flash via SLC NAND controller */
slc: flash@20020000 {
status = "okay";
#address-cells = <1>;
#size-cells = <1>;
mtd0@00000000 {
label = "phy3250-boot";
reg = <0x00000000 0x00064000>;
read-only;
};
mtd1@00064000 {
label = "phy3250-uboot";
reg = <0x00064000 0x00190000>;
read-only;
};
mtd2@001f4000 {
label = "phy3250-ubt-prms";
reg = <0x001f4000 0x00010000>;
};
mtd3@00204000 {
label = "phy3250-kernel";
reg = <0x00204000 0x00400000>;
};
mtd4@00604000 {
label = "phy3250-rootfs";
reg = <0x00604000 0x039fc000>;
};
};
apb {
i2c1: i2c@400A0000 {
clock-frequency = <100000>;
pcf8563: rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
uda1380: uda1380@18 {
compatible = "nxp,uda1380";
reg = <0x18>;
power-gpio = <&gpio 0x59 0>;
reset-gpio = <&gpio 0x51 0>;
dac-clk = "wspll";
};
};
i2c2: i2c@400A8000 {
clock-frequency = <100000>;
};
i2cusb: i2c@31020300 {
clock-frequency = <100000>;
isp1301: usb-transceiver@2c {
compatible = "nxp,isp1301";
reg = <0x2c>;
};
};
ssp0: ssp@20084000 {
eeprom: at25@0 {
compatible = "atmel,at25";
};
};
};
fab {
tsc@40048000 {
status = "okay";
};
};
};
leds {
compatible = "gpio-leds";
led0 {
gpios = <&gpo_p3 1 1>; /* GPO_P3 1, GPIO 80, active low */
linux,default-trigger = "heartbeat";
default-state = "off";
};
led1 {
gpios = <&gpo_p3 14 1>; /* GPO_P3 14, GPIO 93, active low */
linux,default-trigger = "timer";
default-state = "off";
};
};
};

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@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_LOG_BUF_SHIFT=16
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
@ -10,6 +10,7 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_EMBEDDED=y
CONFIG_SLAB=y
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
@ -21,6 +22,8 @@ CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="console=ttyS0,115200n81 root=/dev/ram0"
CONFIG_CPU_IDLE=y
CONFIG_FPE_NWFPE=y
@ -40,7 +43,8 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
CONFIG_IPV6=y
CONFIG_IPV6_PRIVACY=y
# CONFIG_WIRELESS is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
@ -55,13 +59,24 @@ CONFIG_BLK_DEV_CRYPTOLOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=1
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_MISC_DEVICES=y
CONFIG_EEPROM_AT25=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
CONFIG_MII=y
CONFIG_PHYLIB=y
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_CHELSIO is not set
# CONFIG_NET_VENDOR_CIRRUS is not set
# CONFIG_NET_VENDOR_FARADAY is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_MICROCHIP is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
CONFIG_LPC_ENET=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
CONFIG_SMSC_PHY=y
# CONFIG_WLAN is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
@ -97,16 +112,22 @@ CONFIG_SND_SEQUENCER=y
CONFIG_SND_MIXER_OSS=y
CONFIG_SND_PCM_OSS=y
CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_DYNAMIC_MINORS=y
# CONFIG_SND_SUPPORT_OLD_API is not set
# CONFIG_SND_VERBOSE_PROCFS is not set
CONFIG_SND_DEBUG=y
CONFIG_SND_DEBUG_VERBOSE=y
# CONFIG_SND_DRIVERS is not set
# CONFIG_SND_ARM is not set
# CONFIG_SND_SPI is not set
CONFIG_SND_SOC=y
# CONFIG_HID_SUPPORT is not set
CONFIG_USB=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_USB_LIBUSUAL=y
CONFIG_USB_GADGET=y
CONFIG_USB_LPC32XX=y
CONFIG_USB_MASS_STORAGE=m
CONFIG_USB_G_SERIAL=m
CONFIG_MMC=y
# CONFIG_MMC_BLOCK_BOUNCE is not set
CONFIG_MMC_ARMMMCI=y
@ -114,10 +135,21 @@ CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_BACKLIGHT=y
CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_INTF_DEV_UIE_EMUL=y
CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_PCF8563=y
CONFIG_RTC_DRV_LPC32XX=y
CONFIG_DMADEVICES=y
CONFIG_AMBA_PL08X=y
CONFIG_STAGING=y
CONFIG_IIO=y
CONFIG_LPC32XX_ADC=y
CONFIG_EXT2_FS=y
CONFIG_AUTOFS4_FS=y
CONFIG_MSDOS_FS=y

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@ -29,30 +29,4 @@ config ARCH_LPC32XX_UART6_SELECT
endmenu
menu "LPC32XX chip components"
config ARCH_LPC32XX_IRAM_FOR_NET
bool "Use IRAM for network buffers"
default y
help
Say Y here to use the LPC internal fast IRAM (i.e. 256KB SRAM) as
network buffer. If the total combined required buffer sizes is
larger than the size of IRAM, then SDRAM will be used instead.
This can be enabled safely if the IRAM is not intended for other
uses.
config ARCH_LPC32XX_MII_SUPPORT
bool "Check to enable MII support or leave disabled for RMII support"
help
Say Y here to enable MII support, or N for RMII support. Regardless of
which support is selected, the ethernet interface driver needs to be
selected in the device driver networking section.
The PHY3250 reference board uses RMII, so users of this board should
say N.
endmenu
endif

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@ -1095,49 +1095,42 @@ struct clk *clk_get_parent(struct clk *clk)
}
EXPORT_SYMBOL(clk_get_parent);
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = (d), \
.con_id = (n), \
.clk = &(c), \
},
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "osc_32KHz", osc_32KHz)
_REGISTER_CLOCK(NULL, "osc_pll397", osc_pll397)
_REGISTER_CLOCK(NULL, "osc_main", osc_main)
_REGISTER_CLOCK(NULL, "sys_ck", clk_sys)
_REGISTER_CLOCK(NULL, "arm_pll_ck", clk_armpll)
_REGISTER_CLOCK(NULL, "ck_pll5", clk_usbpll)
_REGISTER_CLOCK(NULL, "hclk_ck", clk_hclk)
_REGISTER_CLOCK(NULL, "pclk_ck", clk_pclk)
_REGISTER_CLOCK(NULL, "timer0_ck", clk_timer0)
_REGISTER_CLOCK(NULL, "timer1_ck", clk_timer1)
_REGISTER_CLOCK(NULL, "timer2_ck", clk_timer2)
_REGISTER_CLOCK(NULL, "timer3_ck", clk_timer3)
_REGISTER_CLOCK(NULL, "vfp9_ck", clk_vfp9)
_REGISTER_CLOCK(NULL, "clk_dmac", clk_dma)
_REGISTER_CLOCK("pnx4008-watchdog", NULL, clk_wdt)
_REGISTER_CLOCK(NULL, "uart3_ck", clk_uart3)
_REGISTER_CLOCK(NULL, "uart4_ck", clk_uart4)
_REGISTER_CLOCK(NULL, "uart5_ck", clk_uart5)
_REGISTER_CLOCK(NULL, "uart6_ck", clk_uart6)
_REGISTER_CLOCK("pnx-i2c.0", NULL, clk_i2c0)
_REGISTER_CLOCK("pnx-i2c.1", NULL, clk_i2c1)
_REGISTER_CLOCK("pnx-i2c.2", NULL, clk_i2c2)
_REGISTER_CLOCK("dev:ssp0", NULL, clk_ssp0)
_REGISTER_CLOCK("dev:ssp1", NULL, clk_ssp1)
_REGISTER_CLOCK("lpc32xx_keys.0", NULL, clk_kscan)
_REGISTER_CLOCK("lpc32xx-nand.0", "nand_ck", clk_nand)
_REGISTER_CLOCK("lpc32xx-adc", NULL, clk_adc)
_REGISTER_CLOCK(NULL, "i2s0_ck", clk_i2s0)
_REGISTER_CLOCK(NULL, "i2s1_ck", clk_i2s1)
_REGISTER_CLOCK("ts-lpc32xx", NULL, clk_tsc)
_REGISTER_CLOCK("dev:mmc0", NULL, clk_mmc)
_REGISTER_CLOCK("lpc-eth.0", NULL, clk_net)
_REGISTER_CLOCK("dev:clcd", NULL, clk_lcd)
_REGISTER_CLOCK("lpc32xx_udc", "ck_usbd", clk_usbd)
_REGISTER_CLOCK("lpc32xx_rtc", NULL, clk_rtc)
CLKDEV_INIT(NULL, "osc_32KHz", &osc_32KHz),
CLKDEV_INIT(NULL, "osc_pll397", &osc_pll397),
CLKDEV_INIT(NULL, "osc_main", &osc_main),
CLKDEV_INIT(NULL, "sys_ck", &clk_sys),
CLKDEV_INIT(NULL, "arm_pll_ck", &clk_armpll),
CLKDEV_INIT(NULL, "ck_pll5", &clk_usbpll),
CLKDEV_INIT(NULL, "hclk_ck", &clk_hclk),
CLKDEV_INIT(NULL, "pclk_ck", &clk_pclk),
CLKDEV_INIT(NULL, "timer0_ck", &clk_timer0),
CLKDEV_INIT(NULL, "timer1_ck", &clk_timer1),
CLKDEV_INIT(NULL, "timer2_ck", &clk_timer2),
CLKDEV_INIT(NULL, "timer3_ck", &clk_timer3),
CLKDEV_INIT(NULL, "vfp9_ck", &clk_vfp9),
CLKDEV_INIT("pl08xdmac", NULL, &clk_dma),
CLKDEV_INIT("4003c000.watchdog", NULL, &clk_wdt),
CLKDEV_INIT(NULL, "uart3_ck", &clk_uart3),
CLKDEV_INIT(NULL, "uart4_ck", &clk_uart4),
CLKDEV_INIT(NULL, "uart5_ck", &clk_uart5),
CLKDEV_INIT(NULL, "uart6_ck", &clk_uart6),
CLKDEV_INIT("400a0000.i2c", NULL, &clk_i2c0),
CLKDEV_INIT("400a8000.i2c", NULL, &clk_i2c1),
CLKDEV_INIT("31020300.i2c", NULL, &clk_i2c2),
CLKDEV_INIT("dev:ssp0", NULL, &clk_ssp0),
CLKDEV_INIT("dev:ssp1", NULL, &clk_ssp1),
CLKDEV_INIT("lpc32xx_keys.0", NULL, &clk_kscan),
CLKDEV_INIT("lpc32xx-nand.0", "nand_ck", &clk_nand),
CLKDEV_INIT("40048000.adc", NULL, &clk_adc),
CLKDEV_INIT(NULL, "i2s0_ck", &clk_i2s0),
CLKDEV_INIT(NULL, "i2s1_ck", &clk_i2s1),
CLKDEV_INIT("40048000.tsc", NULL, &clk_tsc),
CLKDEV_INIT("20098000.sd", NULL, &clk_mmc),
CLKDEV_INIT("31060000.ethernet", NULL, &clk_net),
CLKDEV_INIT("dev:clcd", NULL, &clk_lcd),
CLKDEV_INIT("31020000.usbd", "ck_usbd", &clk_usbd),
CLKDEV_INIT("lpc32xx_rtc", NULL, &clk_rtc),
};
static int __init clk_init(void)

Просмотреть файл

@ -31,198 +31,6 @@
#include <mach/platform.h>
#include "common.h"
/*
* Watchdog timer
*/
static struct resource watchdog_resources[] = {
[0] = {
.start = LPC32XX_WDTIM_BASE,
.end = LPC32XX_WDTIM_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device lpc32xx_watchdog_device = {
.name = "pnx4008-watchdog",
.id = -1,
.num_resources = ARRAY_SIZE(watchdog_resources),
.resource = watchdog_resources,
};
/*
* I2C busses
*/
static struct resource i2c0_resources[] = {
[0] = {
.start = LPC32XX_I2C1_BASE,
.end = LPC32XX_I2C1_BASE + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_LPC32XX_I2C_1,
.end = IRQ_LPC32XX_I2C_1,
.flags = IORESOURCE_IRQ,
},
};
static struct resource i2c1_resources[] = {
[0] = {
.start = LPC32XX_I2C2_BASE,
.end = LPC32XX_I2C2_BASE + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_LPC32XX_I2C_2,
.end = IRQ_LPC32XX_I2C_2,
.flags = IORESOURCE_IRQ,
},
};
static struct resource i2c2_resources[] = {
[0] = {
.start = LPC32XX_OTG_I2C_BASE,
.end = LPC32XX_OTG_I2C_BASE + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_LPC32XX_USB_I2C,
.end = IRQ_LPC32XX_USB_I2C,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device lpc32xx_i2c0_device = {
.name = "pnx-i2c.0",
.id = 0,
.num_resources = ARRAY_SIZE(i2c0_resources),
.resource = i2c0_resources,
};
struct platform_device lpc32xx_i2c1_device = {
.name = "pnx-i2c.1",
.id = 1,
.num_resources = ARRAY_SIZE(i2c1_resources),
.resource = i2c1_resources,
};
struct platform_device lpc32xx_i2c2_device = {
.name = "pnx-i2c.2",
.id = 2,
.num_resources = ARRAY_SIZE(i2c2_resources),
.resource = i2c2_resources,
};
/* TSC (Touch Screen Controller) */
static struct resource lpc32xx_tsc_resources[] = {
{
.start = LPC32XX_ADC_BASE,
.end = LPC32XX_ADC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_LPC32XX_TS_IRQ,
.end = IRQ_LPC32XX_TS_IRQ,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device lpc32xx_tsc_device = {
.name = "ts-lpc32xx",
.id = -1,
.num_resources = ARRAY_SIZE(lpc32xx_tsc_resources),
.resource = lpc32xx_tsc_resources,
};
/* RTC */
static struct resource lpc32xx_rtc_resources[] = {
{
.start = LPC32XX_RTC_BASE,
.end = LPC32XX_RTC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},{
.start = IRQ_LPC32XX_RTC,
.end = IRQ_LPC32XX_RTC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device lpc32xx_rtc_device = {
.name = "rtc-lpc32xx",
.id = -1,
.num_resources = ARRAY_SIZE(lpc32xx_rtc_resources),
.resource = lpc32xx_rtc_resources,
};
/*
* ADC support
*/
static struct resource adc_resources[] = {
{
.start = LPC32XX_ADC_BASE,
.end = LPC32XX_ADC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_LPC32XX_TS_IRQ,
.end = IRQ_LPC32XX_TS_IRQ,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device lpc32xx_adc_device = {
.name = "lpc32xx-adc",
.id = -1,
.num_resources = ARRAY_SIZE(adc_resources),
.resource = adc_resources,
};
/*
* USB support
*/
/* The dmamask must be set for OHCI to work */
static u64 ohci_dmamask = ~(u32) 0;
static struct resource ohci_resources[] = {
{
.start = IO_ADDRESS(LPC32XX_USB_BASE),
.end = IO_ADDRESS(LPC32XX_USB_BASE + 0x100 - 1),
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_LPC32XX_USB_HOST,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device lpc32xx_ohci_device = {
.name = "usb-ohci",
.id = -1,
.dev = {
.dma_mask = &ohci_dmamask,
.coherent_dma_mask = 0xFFFFFFFF,
},
.num_resources = ARRAY_SIZE(ohci_resources),
.resource = ohci_resources,
};
/*
* Network Support
*/
static struct resource net_resources[] = {
[0] = DEFINE_RES_MEM(LPC32XX_ETHERNET_BASE, SZ_4K),
[1] = DEFINE_RES_MEM(LPC32XX_IRAM_BASE, SZ_128K),
[2] = DEFINE_RES_IRQ(IRQ_LPC32XX_ETHERNET),
};
static u64 lpc32xx_mac_dma_mask = 0xffffffffUL;
struct platform_device lpc32xx_net_device = {
.name = "lpc-eth",
.id = 0,
.dev = {
.dma_mask = &lpc32xx_mac_dma_mask,
.coherent_dma_mask = 0xffffffffUL,
},
.num_resources = ARRAY_SIZE(net_resources),
.resource = net_resources,
};
/*
* Returns the unique ID for the device
*/
@ -415,3 +223,16 @@ void lpc23xx_restart(char mode, const char *cmd)
while (1)
;
}
static int __init lpc32xx_display_uid(void)
{
u32 uid[4];
lpc32xx_get_uid(uid);
printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n",
uid[3], uid[2], uid[1], uid[0]);
return 1;
}
arch_initcall(lpc32xx_display_uid);

Просмотреть файл

@ -22,19 +22,6 @@
#include <mach/board.h>
#include <linux/platform_device.h>
/*
* Arch specific platform device structures
*/
extern struct platform_device lpc32xx_watchdog_device;
extern struct platform_device lpc32xx_i2c0_device;
extern struct platform_device lpc32xx_i2c1_device;
extern struct platform_device lpc32xx_i2c2_device;
extern struct platform_device lpc32xx_tsc_device;
extern struct platform_device lpc32xx_adc_device;
extern struct platform_device lpc32xx_rtc_device;
extern struct platform_device lpc32xx_ohci_device;
extern struct platform_device lpc32xx_net_device;
/*
* Other arch specific structures and functions
*/
@ -42,7 +29,6 @@ extern struct sys_timer lpc32xx_timer;
extern void __init lpc32xx_init_irq(void);
extern void __init lpc32xx_map_io(void);
extern void __init lpc32xx_serial_init(void);
extern void __init lpc32xx_gpio_init(void);
extern void lpc23xx_restart(char, const char *);

Просмотреть файл

@ -22,6 +22,11 @@
#include <linux/irq.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/irqdomain.h>
#include <linux/module.h>
#include <mach/irqs.h>
#include <mach/hardware.h>
@ -44,6 +49,9 @@
#define SIC1_ATR_DEFAULT 0x00026000
#define SIC2_ATR_DEFAULT 0x00000000
static struct irq_domain *lpc32xx_mic_domain;
static struct device_node *lpc32xx_mic_np;
struct lpc32xx_event_group_regs {
void __iomem *enab_reg;
void __iomem *edge_reg;
@ -203,7 +211,7 @@ static void lpc32xx_mask_irq(struct irq_data *d)
{
unsigned int reg, ctrl, mask;
get_controller(d->irq, &ctrl, &mask);
get_controller(d->hwirq, &ctrl, &mask);
reg = __raw_readl(LPC32XX_INTC_MASK(ctrl)) & ~mask;
__raw_writel(reg, LPC32XX_INTC_MASK(ctrl));
@ -213,7 +221,7 @@ static void lpc32xx_unmask_irq(struct irq_data *d)
{
unsigned int reg, ctrl, mask;
get_controller(d->irq, &ctrl, &mask);
get_controller(d->hwirq, &ctrl, &mask);
reg = __raw_readl(LPC32XX_INTC_MASK(ctrl)) | mask;
__raw_writel(reg, LPC32XX_INTC_MASK(ctrl));
@ -223,14 +231,14 @@ static void lpc32xx_ack_irq(struct irq_data *d)
{
unsigned int ctrl, mask;
get_controller(d->irq, &ctrl, &mask);
get_controller(d->hwirq, &ctrl, &mask);
__raw_writel(mask, LPC32XX_INTC_RAW_STAT(ctrl));
/* Also need to clear pending wake event */
if (lpc32xx_events[d->irq].mask != 0)
__raw_writel(lpc32xx_events[d->irq].mask,
lpc32xx_events[d->irq].event_group->rawstat_reg);
if (lpc32xx_events[d->hwirq].mask != 0)
__raw_writel(lpc32xx_events[d->hwirq].mask,
lpc32xx_events[d->hwirq].event_group->rawstat_reg);
}
static void __lpc32xx_set_irq_type(unsigned int irq, int use_high_level,
@ -274,22 +282,22 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
switch (type) {
case IRQ_TYPE_EDGE_RISING:
/* Rising edge sensitive */
__lpc32xx_set_irq_type(d->irq, 1, 1);
__lpc32xx_set_irq_type(d->hwirq, 1, 1);
break;
case IRQ_TYPE_EDGE_FALLING:
/* Falling edge sensitive */
__lpc32xx_set_irq_type(d->irq, 0, 1);
__lpc32xx_set_irq_type(d->hwirq, 0, 1);
break;
case IRQ_TYPE_LEVEL_LOW:
/* Low level sensitive */
__lpc32xx_set_irq_type(d->irq, 0, 0);
__lpc32xx_set_irq_type(d->hwirq, 0, 0);
break;
case IRQ_TYPE_LEVEL_HIGH:
/* High level sensitive */
__lpc32xx_set_irq_type(d->irq, 1, 0);
__lpc32xx_set_irq_type(d->hwirq, 1, 0);
break;
/* Other modes are not supported */
@ -298,7 +306,7 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
}
/* Ok to use the level handler for all types */
irq_set_handler(d->irq, handle_level_irq);
irq_set_handler(d->hwirq, handle_level_irq);
return 0;
}
@ -307,33 +315,33 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state)
{
unsigned long eventreg;
if (lpc32xx_events[d->irq].mask != 0) {
eventreg = __raw_readl(lpc32xx_events[d->irq].
if (lpc32xx_events[d->hwirq].mask != 0) {
eventreg = __raw_readl(lpc32xx_events[d->hwirq].
event_group->enab_reg);
if (state)
eventreg |= lpc32xx_events[d->irq].mask;
eventreg |= lpc32xx_events[d->hwirq].mask;
else {
eventreg &= ~lpc32xx_events[d->irq].mask;
eventreg &= ~lpc32xx_events[d->hwirq].mask;
/*
* When disabling the wakeup, clear the latched
* event
*/
__raw_writel(lpc32xx_events[d->irq].mask,
lpc32xx_events[d->irq].
__raw_writel(lpc32xx_events[d->hwirq].mask,
lpc32xx_events[d->hwirq].
event_group->rawstat_reg);
}
__raw_writel(eventreg,
lpc32xx_events[d->irq].event_group->enab_reg);
lpc32xx_events[d->hwirq].event_group->enab_reg);
return 0;
}
/* Clear event */
__raw_writel(lpc32xx_events[d->irq].mask,
lpc32xx_events[d->irq].event_group->rawstat_reg);
__raw_writel(lpc32xx_events[d->hwirq].mask,
lpc32xx_events[d->hwirq].event_group->rawstat_reg);
return -ENODEV;
}
@ -353,6 +361,7 @@ static void __init lpc32xx_set_default_mappings(unsigned int apr,
}
static struct irq_chip lpc32xx_irq_chip = {
.name = "MIC",
.irq_ack = lpc32xx_ack_irq,
.irq_mask = lpc32xx_mask_irq,
.irq_unmask = lpc32xx_unmask_irq,
@ -386,9 +395,23 @@ static void lpc32xx_sic2_handler(unsigned int irq, struct irq_desc *desc)
}
}
static int __init __lpc32xx_mic_of_init(struct device_node *node,
struct device_node *parent)
{
lpc32xx_mic_np = node;
return 0;
}
static const struct of_device_id mic_of_match[] __initconst = {
{ .compatible = "nxp,lpc3220-mic", .data = __lpc32xx_mic_of_init },
{ }
};
void __init lpc32xx_init_irq(void)
{
unsigned int i;
int irq_base;
/* Setup MIC */
__raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE));
@ -448,4 +471,19 @@ void __init lpc32xx_init_irq(void)
LPC32XX_CLKPWR_PIN_RS);
__raw_writel(__raw_readl(LPC32XX_CLKPWR_INT_RS),
LPC32XX_CLKPWR_INT_RS);
of_irq_init(mic_of_match);
irq_base = irq_alloc_descs(-1, 0, NR_IRQS, 0);
if (irq_base < 0) {
pr_warn("Cannot allocate irq_descs, assuming pre-allocated\n");
irq_base = 0;
}
lpc32xx_mic_domain = irq_domain_add_legacy(lpc32xx_mic_np, NR_IRQS,
irq_base, 0,
&irq_domain_simple_ops,
NULL);
if (!lpc32xx_mic_domain)
panic("Unable to add MIC irq domain\n");
}

Просмотреть файл

@ -1,8 +1,9 @@
/*
* arch/arm/mach-lpc32xx/phy3250.c
* Platform support for LPC32xx SoC
*
* Author: Kevin Wells <kevin.wells@nxp.com>
*
* Copyright (C) 2012 Roland Stigge <stigge@antcom.de>
* Copyright (C) 2010 NXP Semiconductors
*
* This program is free software; you can redistribute it and/or modify
@ -25,11 +26,16 @@
#include <linux/device.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/amba/pl022.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/clk.h>
#include <linux/amba/pl08x.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@ -47,7 +53,6 @@
#define SPI0_CS_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
#define LCD_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0)
#define BKL_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4)
#define LED_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 1)
/*
* AMBA LCD controller
@ -150,9 +155,6 @@ static struct clcd_board lpc32xx_clcd_data = {
.remove = lpc32xx_clcd_remove,
};
static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0,
LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data);
/*
* AMBA SSP (SPI)
*/
@ -180,8 +182,11 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = {
.enable_dma = 0,
};
static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0,
LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data);
static struct pl022_ssp_controller lpc32xx_ssp1_data = {
.bus_id = 1,
.num_chipselect = 1,
.enable_dma = 0,
};
/* AT25 driver registration */
static int __init phy3250_spi_board_register(void)
@ -221,73 +226,20 @@ static int __init phy3250_spi_board_register(void)
}
arch_initcall(phy3250_spi_board_register);
static struct i2c_board_info __initdata phy3250_i2c_board_info[] = {
{
I2C_BOARD_INFO("pcf8563", 0x51),
},
static struct pl08x_platform_data pl08x_pd = {
};
static struct gpio_led phy_leds[] = {
{
.name = "led0",
.gpio = LED_GPIO,
.active_low = 1,
.default_trigger = "heartbeat",
},
static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", &lpc32xx_ssp0_data),
OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", &lpc32xx_ssp1_data),
OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data),
OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd),
{ }
};
static struct gpio_led_platform_data led_data = {
.leds = phy_leds,
.num_leds = ARRAY_SIZE(phy_leds),
};
static struct platform_device lpc32xx_gpio_led_device = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &led_data,
};
static struct platform_device *phy3250_devs[] __initdata = {
&lpc32xx_rtc_device,
&lpc32xx_tsc_device,
&lpc32xx_i2c0_device,
&lpc32xx_i2c1_device,
&lpc32xx_i2c2_device,
&lpc32xx_watchdog_device,
&lpc32xx_gpio_led_device,
&lpc32xx_adc_device,
&lpc32xx_ohci_device,
&lpc32xx_net_device,
};
static struct amba_device *amba_devs[] __initdata = {
&lpc32xx_clcd_device,
&lpc32xx_ssp0_device,
};
/*
* Board specific functions
*/
static void __init phy3250_board_init(void)
static void __init lpc3250_machine_init(void)
{
u32 tmp;
int i;
lpc32xx_gpio_init();
/* Register GPIOs used on this board */
if (gpio_request(SPI0_CS_GPIO, "spi0 cs"))
printk(KERN_ERR "Error requesting gpio %u",
SPI0_CS_GPIO);
else if (gpio_direction_output(SPI0_CS_GPIO, 1))
printk(KERN_ERR "Error setting gpio %u to output",
SPI0_CS_GPIO);
/* Setup network interface for RMII mode */
tmp = __raw_readl(LPC32XX_CLKPWR_MACCLK_CTRL);
tmp &= ~LPC32XX_CLKPWR_MACCTRL_PINS_MSK;
tmp |= LPC32XX_CLKPWR_MACCTRL_USE_RMII_PINS;
__raw_writel(tmp, LPC32XX_CLKPWR_MACCLK_CTRL);
/* Setup SLC NAND controller muxing */
__raw_writel(LPC32XX_CLKPWR_NANDCLK_SEL_SLC,
@ -300,6 +252,12 @@ static void __init phy3250_board_init(void)
tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16;
__raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL);
/* Set up USB power */
tmp = __raw_readl(LPC32XX_CLKPWR_USB_CTRL);
tmp |= LPC32XX_CLKPWR_USBCTRL_HCLK_EN |
LPC32XX_CLKPWR_USBCTRL_USBI2C_EN;
__raw_writel(tmp, LPC32XX_CLKPWR_USB_CTRL);
/* Set up I2C pull levels */
tmp = __raw_readl(LPC32XX_CLKPWR_I2C_CLK_CTRL);
tmp |= LPC32XX_CLKPWR_I2CCLK_USBI2CHI_DRIVE |
@ -321,54 +279,51 @@ static void __init phy3250_board_init(void)
/*
* AMBA peripheral clocks need to be enabled prior to AMBA device
* detection or a data fault will occur, so enable the clocks
* here. However, we don't want to enable them if the peripheral
* isn't included in the image
* here.
*/
#ifdef CONFIG_FB_ARMCLCD
tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL);
__raw_writel((tmp | LPC32XX_CLKPWR_LCDCTRL_CLK_EN),
LPC32XX_CLKPWR_LCDCLK_CTRL);
#endif
#ifdef CONFIG_SPI_PL022
tmp = __raw_readl(LPC32XX_CLKPWR_SSP_CLK_CTRL);
__raw_writel((tmp | LPC32XX_CLKPWR_SSPCTRL_SSPCLK0_EN),
LPC32XX_CLKPWR_SSP_CLK_CTRL);
#endif
platform_add_devices(phy3250_devs, ARRAY_SIZE(phy3250_devs));
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
amba_device_register(d, &iomem_resource);
}
tmp = __raw_readl(LPC32XX_CLKPWR_DMA_CLK_CTRL);
__raw_writel((tmp | LPC32XX_CLKPWR_DMACLKCTRL_CLK_EN),
LPC32XX_CLKPWR_DMA_CLK_CTRL);
/* Test clock needed for UDA1380 initial init */
__raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC |
LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN,
LPC32XX_CLKPWR_TEST_CLK_SEL);
i2c_register_board_info(0, phy3250_i2c_board_info,
ARRAY_SIZE(phy3250_i2c_board_info));
of_platform_populate(NULL, of_default_bus_match_table,
lpc32xx_auxdata_lookup, NULL);
/* Register GPIOs used on this board */
if (gpio_request(SPI0_CS_GPIO, "spi0 cs"))
printk(KERN_ERR "Error requesting gpio %u",
SPI0_CS_GPIO);
else if (gpio_direction_output(SPI0_CS_GPIO, 1))
printk(KERN_ERR "Error setting gpio %u to output",
SPI0_CS_GPIO);
}
static int __init lpc32xx_display_uid(void)
{
u32 uid[4];
static char const *lpc32xx_dt_compat[] __initdata = {
"nxp,lpc3220",
"nxp,lpc3230",
"nxp,lpc3240",
"nxp,lpc3250",
NULL
};
lpc32xx_get_uid(uid);
printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n",
uid[3], uid[2], uid[1], uid[0]);
return 1;
}
arch_initcall(lpc32xx_display_uid);
MACHINE_START(PHY3250, "Phytec 3250 board with the LPC3250 Microcontroller")
/* Maintainer: Kevin Wells, NXP Semiconductors */
DT_MACHINE_START(LPC32XX_DT, "LPC32XX SoC (Flattened Device Tree)")
.atag_offset = 0x100,
.map_io = lpc32xx_map_io,
.init_irq = lpc32xx_init_irq,
.timer = &lpc32xx_timer,
.init_machine = phy3250_board_init,
.init_machine = lpc3250_machine_init,
.dt_compat = lpc32xx_dt_compat,
.restart = lpc23xx_restart,
MACHINE_END

Просмотреть файл

@ -40,6 +40,7 @@
#include <linux/skbuff.h>
#include <linux/phy.h>
#include <linux/dma-mapping.h>
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/types.h>
@ -340,13 +341,17 @@
*/
#define LPC_POWERDOWN_MACAHB (1 << 31)
/* Upon the upcoming introduction of device tree usage in LPC32xx,
* lpc_phy_interface_mode() and use_iram_for_net() will be extended with a
* device parameter for access to device tree information at runtime, instead
* of defining the values at compile time
*/
static inline phy_interface_t lpc_phy_interface_mode(void)
static phy_interface_t lpc_phy_interface_mode(struct device *dev)
{
if (dev && dev->of_node) {
const char *mode = of_get_property(dev->of_node,
"phy-mode", NULL);
if (mode && !strcmp(mode, "mii"))
return PHY_INTERFACE_MODE_MII;
return PHY_INTERFACE_MODE_RMII;
}
/* non-DT */
#ifdef CONFIG_ARCH_LPC32XX_MII_SUPPORT
return PHY_INTERFACE_MODE_MII;
#else
@ -354,12 +359,16 @@ static inline phy_interface_t lpc_phy_interface_mode(void)
#endif
}
static inline int use_iram_for_net(void)
static bool use_iram_for_net(struct device *dev)
{
if (dev && dev->of_node)
return of_property_read_bool(dev->of_node, "use-iram");
/* non-DT */
#ifdef CONFIG_ARCH_LPC32XX_IRAM_FOR_NET
return 1;
return true;
#else
return 0;
return false;
#endif
}
@ -664,7 +673,7 @@ static void __lpc_eth_init(struct netdata_local *pldat)
LPC_ENET_CLRT(pldat->net_base));
writel(LPC_IPGR_LOAD_PART2(0x12), LPC_ENET_IPGR(pldat->net_base));
if (lpc_phy_interface_mode() == PHY_INTERFACE_MODE_MII)
if (lpc_phy_interface_mode(&pldat->pdev->dev) == PHY_INTERFACE_MODE_MII)
writel(LPC_COMMAND_PASSRUNTFRAME,
LPC_ENET_COMMAND(pldat->net_base));
else {
@ -804,12 +813,13 @@ static int lpc_mii_probe(struct net_device *ndev)
}
/* Attach to the PHY */
if (lpc_phy_interface_mode() == PHY_INTERFACE_MODE_MII)
if (lpc_phy_interface_mode(&pldat->pdev->dev) == PHY_INTERFACE_MODE_MII)
netdev_info(ndev, "using MII interface\n");
else
netdev_info(ndev, "using RMII interface\n");
phydev = phy_connect(ndev, dev_name(&phydev->dev),
&lpc_handle_link_change, 0, lpc_phy_interface_mode());
&lpc_handle_link_change, 0,
lpc_phy_interface_mode(&pldat->pdev->dev));
if (IS_ERR(phydev)) {
netdev_err(ndev, "Could not attach to PHY\n");
@ -843,7 +853,7 @@ static int lpc_mii_init(struct netdata_local *pldat)
}
/* Setup MII mode */
if (lpc_phy_interface_mode() == PHY_INTERFACE_MODE_MII)
if (lpc_phy_interface_mode(&pldat->pdev->dev) == PHY_INTERFACE_MODE_MII)
writel(LPC_COMMAND_PASSRUNTFRAME,
LPC_ENET_COMMAND(pldat->net_base));
else {
@ -1315,18 +1325,26 @@ static const struct net_device_ops lpc_netdev_ops = {
static int lpc_eth_drv_probe(struct platform_device *pdev)
{
struct resource *res;
struct resource *dma_res;
struct net_device *ndev;
struct netdata_local *pldat;
struct phy_device *phydev;
dma_addr_t dma_handle;
int irq, ret;
u32 tmp;
/* Setup network interface for RMII or MII mode */
tmp = __raw_readl(LPC32XX_CLKPWR_MACCLK_CTRL);
tmp &= ~LPC32XX_CLKPWR_MACCTRL_PINS_MSK;
if (lpc_phy_interface_mode(&pdev->dev) == PHY_INTERFACE_MODE_MII)
tmp |= LPC32XX_CLKPWR_MACCTRL_USE_MII_PINS;
else
tmp |= LPC32XX_CLKPWR_MACCTRL_USE_RMII_PINS;
__raw_writel(tmp, LPC32XX_CLKPWR_MACCLK_CTRL);
/* Get platform resources */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dma_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
irq = platform_get_irq(pdev, 0);
if ((!res) || (!dma_res) || (irq < 0) || (irq >= NR_IRQS)) {
if ((!res) || (irq < 0) || (irq >= NR_IRQS)) {
dev_err(&pdev->dev, "error getting resources.\n");
ret = -ENXIO;
goto err_exit;
@ -1389,17 +1407,19 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)
sizeof(struct txrx_desc_t) + sizeof(struct rx_status_t));
pldat->dma_buff_base_v = 0;
if (use_iram_for_net()) {
dma_handle = dma_res->start;
if (use_iram_for_net(&pldat->pdev->dev)) {
dma_handle = LPC32XX_IRAM_BASE;
if (pldat->dma_buff_size <= lpc32xx_return_iram_size())
pldat->dma_buff_base_v =
io_p2v(dma_res->start);
io_p2v(LPC32XX_IRAM_BASE);
else
netdev_err(ndev,
"IRAM not big enough for net buffers, using SDRAM instead.\n");
}
if (pldat->dma_buff_base_v == 0) {
pldat->pdev->dev.coherent_dma_mask = 0xFFFFFFFF;
pldat->pdev->dev.dma_mask = &pldat->pdev->dev.coherent_dma_mask;
pldat->dma_buff_size = PAGE_ALIGN(pldat->dma_buff_size);
/* Allocate a chunk of memory for the DMA ethernet buffers
@ -1488,7 +1508,7 @@ err_out_unregister_netdev:
platform_set_drvdata(pdev, NULL);
unregister_netdev(ndev);
err_out_dma_unmap:
if (!use_iram_for_net() ||
if (!use_iram_for_net(&pldat->pdev->dev) ||
pldat->dma_buff_size > lpc32xx_return_iram_size())
dma_free_coherent(&pldat->pdev->dev, pldat->dma_buff_size,
pldat->dma_buff_base_v,
@ -1515,7 +1535,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
unregister_netdev(ndev);
platform_set_drvdata(pdev, NULL);
if (!use_iram_for_net() ||
if (!use_iram_for_net(&pldat->pdev->dev) ||
pldat->dma_buff_size > lpc32xx_return_iram_size())
dma_free_coherent(&pldat->pdev->dev, pldat->dma_buff_size,
pldat->dma_buff_base_v,
@ -1584,6 +1604,14 @@ static int lpc_eth_drv_resume(struct platform_device *pdev)
}
#endif
#ifdef CONFIG_OF
static const struct of_device_id lpc_eth_match[] = {
{ .compatible = "nxp,lpc-eth" },
{ }
};
MODULE_DEVICE_TABLE(of, lpc_eth_match);
#endif
static struct platform_driver lpc_eth_driver = {
.probe = lpc_eth_drv_probe,
.remove = __devexit_p(lpc_eth_drv_remove),
@ -1593,6 +1621,7 @@ static struct platform_driver lpc_eth_driver = {
#endif
.driver = {
.name = MODNAME,
.of_match_table = of_match_ptr(lpc_eth_match),
},
};