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Merge branch 'kirkwood_dt_for_3.4_v3' of git://git.infradead.org/users/jcooper/linux-kirkwood into kirkwood/dt

Browse Source 
* 'kirkwood_dt_for_3.4_v3' of git://git.infradead.org/users/jcooper/linux-kirkwood:
  ARM: kirkwood: use devicetree for rtc-mv
  ARM: kirkwood: rtc-mv devicetree bindings
  ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0
  ARM: kirkwood: fdt: facilitate new boards during fdt migration
  ARM: kirkwood: fdt: absorb kirkwood_init()
  ARM: kirkwood: fdt: use mrvl ticker symbol
  ARM: orion: wdt: use resource vice direct access
  ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data.
  ARM: orion: spi: remove enable_clock_fix which is not used
This commit is contained in:
Arnd Bergmann 2012-03-16 20:13:43 +00:00
commit c899445f97
13 changed files with 269 additions and 165 deletions
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13
arch/arm/boot/dts/kirkwood-dreamplug.dts
View File

@ -4,7 +4,7 @@
/ {
model = "Globalscale Technologies Dreamplug";
compatible = "globalscale,dreamplug-003-ds2001", "globalscale,dreamplug", "marvell,kirkwood-88f6281", "marvell,kirkwood";
compatible = "globalscale,dreamplug-003-ds2001", "globalscale,dreamplug", "mrvl,kirkwood-88f6281", "mrvl,kirkwood";
memory {
device_type = "memory";
@ -15,11 +15,10 @@ chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
serial@f1012000 {
compatible = "ns16550a";
reg = <0xf1012000 0xff>;
reg-shift = <2>;
interrupts = <33>;
clock-frequency = <200000000>;
ocp@f1000000 {
serial@12000 {
clock-frequency = <200000000>;
status = "ok";
};
};
};

34
arch/arm/boot/dts/kirkwood.dtsi
View File

@ -1,6 +1,36 @@
/include/ "skeleton.dtsi"
/ {
compatible = "marvell,kirkwood";
};
compatible = "mrvl,kirkwood";
ocp@f1000000 {
compatible = "simple-bus";
ranges = <0 0xf1000000 0x1000000>;
#address-cells = <1>;
#size-cells = <1>;
serial@12000 {
compatible = "ns16550a";
reg = <0x12000 0x100>;
reg-shift = <2>;
interrupts = <33>;
/* set clock-frequency in board dts */
status = "disabled";
};
serial@12100 {
compatible = "ns16550a";
reg = <0x12100 0x100>;
reg-shift = <2>;
interrupts = <34>;
/* set clock-frequency in board dts */
status = "disabled";
};
rtc@10300 {
compatible = "mrvl,kirkwood-rtc", "mrvl,orion-rtc";
reg = <0x10300 0x20>;
interrupts = <53>;
};
};
};

1
arch/arm/mach-kirkwood/Makefile
View File

@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_T5325) += t5325-setup.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_ARCH_KIRKWOOD_DT) += board-dt.o
obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o

152
arch/arm/mach-kirkwood/board-dreamplug.c Normal file
View File

@ -0,0 +1,152 @@
/*
* Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
*
* arch/arm/mach-kirkwood/board-dreamplug.c
*
* Marvell DreamPlug Reference Board Init for drivers not converted to
* flattened device tree yet.
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/kirkwood.h>
#include <mach/bridge-regs.h>
#include <plat/mvsdio.h>
#include "common.h"
#include "mpp.h"
struct mtd_partition dreamplug_partitions[] = {
{
.name = "u-boot",
.size = SZ_512K,
.offset = 0,
},
{
.name = "u-boot env",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K,
},
{
.name = "dtb",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K + SZ_512K,
},
};
static const struct flash_platform_data dreamplug_spi_slave_data = {
.type = "mx25l1606e",
.name = "spi_flash",
.parts = dreamplug_partitions,
.nr_parts = ARRAY_SIZE(dreamplug_partitions),
};
static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
{
.modalias = "m25p80",
.platform_data = &dreamplug_spi_slave_data,
.irq = -1,
.max_speed_hz = 50000000,
.bus_num = 0,
.chip_select = 0,
},
};
static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv643xx_eth_platform_data dreamplug_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(1),
};
static struct mv_sata_platform_data dreamplug_sata_data = {
.n_ports = 1,
};
static struct mvsdio_platform_data dreamplug_mvsdio_data = {
/* unfortunately the CD signal has not been connected */
};
static struct gpio_led dreamplug_led_pins[] = {
{
.name = "dreamplug:blue:bluetooth",
.gpio = 47,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi",
.gpio = 48,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi_ap",
.gpio = 49,
.active_low = 1,
},
};
static struct gpio_led_platform_data dreamplug_led_data = {
.leds = dreamplug_led_pins,
.num_leds = ARRAY_SIZE(dreamplug_led_pins),
};
static struct platform_device dreamplug_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &dreamplug_led_data,
}
};
static unsigned int dreamplug_mpp_config[] __initdata = {
MPP0_SPI_SCn,
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
MPP47_GPIO, /* Bluetooth LED */
MPP48_GPIO, /* Wifi LED */
MPP49_GPIO, /* Wifi AP LED */
0
};
void __init dreamplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_mpp_conf(dreamplug_mpp_config);
spi_register_board_info(dreamplug_spi_slave_info,
ARRAY_SIZE(dreamplug_spi_slave_info));
kirkwood_spi_init();
kirkwood_ehci_init();
kirkwood_ge00_init(&dreamplug_ge00_data);
kirkwood_ge01_init(&dreamplug_ge01_data);
kirkwood_sata_init(&dreamplug_sata_data);
kirkwood_sdio_init(&dreamplug_mvsdio_data);
platform_device_register(&dreamplug_leds);
}

161
arch/arm/mach-kirkwood/board-dt.c
View File

@ -3,7 +3,7 @@
*
* arch/arm/mach-kirkwood/board-dt.c
*
* Marvell DreamPlug Reference Board Setup
* Flattened Device Tree board initialization
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
@ -12,150 +12,45 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <plat/mvsdio.h>
#include <asm/mach/map.h>
#include <mach/bridge-regs.h>
#include "common.h"
#include "mpp.h"
static struct of_device_id kirkwood_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
{ }
};
struct mtd_partition dreamplug_partitions[] = {
{
.name = "u-boot",
.size = SZ_512K,
.offset = 0,
},
{
.name = "u-boot env",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K,
},
{
.name = "dtb",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K + SZ_512K,
},
};
static const struct flash_platform_data dreamplug_spi_slave_data = {
.type = "mx25l1606e",
.name = "spi_flash",
.parts = dreamplug_partitions,
.nr_parts = ARRAY_SIZE(dreamplug_partitions),
};
static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
{
.modalias = "m25p80",
.platform_data = &dreamplug_spi_slave_data,
.irq = -1,
.max_speed_hz = 50000000,
.bus_num = 0,
.chip_select = 0,
},
};
static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
static struct mv643xx_eth_platform_data dreamplug_ge01_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(1),
};
static struct mv_sata_platform_data dreamplug_sata_data = {
.n_ports = 1,
};
static struct mvsdio_platform_data dreamplug_mvsdio_data = {
/* unfortunately the CD signal has not been connected */
};
static struct gpio_led dreamplug_led_pins[] = {
{
.name = "dreamplug:blue:bluetooth",
.gpio = 47,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi",
.gpio = 48,
.active_low = 1,
},
{
.name = "dreamplug:green:wifi_ap",
.gpio = 49,
.active_low = 1,
},
};
static struct gpio_led_platform_data dreamplug_led_data = {
.leds = dreamplug_led_pins,
.num_leds = ARRAY_SIZE(dreamplug_led_pins),
};
static struct platform_device dreamplug_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &dreamplug_led_data,
}
};
static unsigned int dreamplug_mpp_config[] __initdata = {
MPP0_SPI_SCn,
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
MPP47_GPIO, /* Bluetooth LED */
MPP48_GPIO, /* Wifi LED */
MPP49_GPIO, /* Wifi AP LED */
0
};
static void __init dreamplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_mpp_conf(dreamplug_mpp_config);
spi_register_board_info(dreamplug_spi_slave_info,
ARRAY_SIZE(dreamplug_spi_slave_info));
kirkwood_spi_init();
kirkwood_ehci_init();
kirkwood_ge00_init(&dreamplug_ge00_data);
kirkwood_ge01_init(&dreamplug_ge01_data);
kirkwood_sata_init(&dreamplug_sata_data);
kirkwood_sdio_init(&dreamplug_mvsdio_data);
platform_device_register(&dreamplug_leds);
}
static void __init kirkwood_dt_init(void)
{
kirkwood_init();
pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
/*
* Disable propagation of mbus errors to the CPU local bus,
* as this causes mbus errors (which can occur for example
* for PCI aborts) to throw CPU aborts, which we're not set
* up to deal with.
*/
writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
kirkwood_setup_cpu_mbus();
#ifdef CONFIG_CACHE_FEROCEON_L2
kirkwood_l2_init();
#endif
/* internal devices that every board has */
kirkwood_wdt_init();
kirkwood_xor0_init();
kirkwood_xor1_init();
kirkwood_crypto_init();
#ifdef CONFIG_KEXEC
kexec_reinit = kirkwood_enable_pcie;
#endif
if (of_machine_is_compatible("globalscale,dreamplug"))
dreamplug_init();

11
arch/arm/mach-kirkwood/common.c
View File

@ -279,7 +279,7 @@ void __init kirkwood_crypto_init(void)
/*****************************************************************************
* XOR0
****************************************************************************/
static void __init kirkwood_xor0_init(void)
void __init kirkwood_xor0_init(void)
{
kirkwood_clk_ctrl |= CGC_XOR0;
@ -291,7 +291,7 @@ static void __init kirkwood_xor0_init(void)
/*****************************************************************************
* XOR1
****************************************************************************/
static void __init kirkwood_xor1_init(void)
void __init kirkwood_xor1_init(void)
{
kirkwood_clk_ctrl |= CGC_XOR1;
@ -303,7 +303,7 @@ static void __init kirkwood_xor1_init(void)
/*****************************************************************************
* Watchdog
****************************************************************************/
static void __init kirkwood_wdt_init(void)
void __init kirkwood_wdt_init(void)
{
orion_wdt_init(kirkwood_tclk);
}
@ -392,7 +392,7 @@ void __init kirkwood_audio_init(void)
/*
* Identify device ID and revision.
*/
static char * __init kirkwood_id(void)
char * __init kirkwood_id(void)
{
u32 dev, rev;
@ -435,7 +435,7 @@ static char * __init kirkwood_id(void)
}
}
static void __init kirkwood_l2_init(void)
void __init kirkwood_l2_init(void)
{
#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
@ -450,7 +450,6 @@ void __init kirkwood_init(void)
{
printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
kirkwood_id(), kirkwood_tclk);
kirkwood_i2s_data.tclk = kirkwood_tclk;
/*
* Disable propagation of mbus errors to the CPU local bus,

15
arch/arm/mach-kirkwood/common.h
View File

@ -51,6 +51,21 @@ void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev
void kirkwood_audio_init(void);
void kirkwood_restart(char, const char *);
/* board init functions for boards not fully converted to fdt */
#ifdef CONFIG_MACH_DREAMPLUG_DT
void dreamplug_init(void);
#else
static inline void dreamplug_init(void) {};
#endif
/* early init functions not converted to fdt yet */
char *kirkwood_id(void);
void kirkwood_l2_init(void);
void kirkwood_wdt_init(void);
void kirkwood_xor0_init(void);
void kirkwood_xor1_init(void);
void kirkwood_crypto_init(void);
extern int kirkwood_tclk;
extern struct sys_timer kirkwood_timer;

7
arch/arm/plat-orion/common.c
View File

@ -21,6 +21,7 @@
#include <plat/orion_wdt.h>
#include <plat/mv_xor.h>
#include <plat/ehci-orion.h>
#include <mach/bridge-regs.h>
/* Fill in the resources structure and link it into the platform
device structure. There is always a memory region, and nearly
@ -568,13 +569,17 @@ void __init orion_spi_1_init(unsigned long mapbase,
****************************************************************************/
static struct orion_wdt_platform_data orion_wdt_data;
static struct resource orion_wdt_resource =
DEFINE_RES_MEM(TIMER_VIRT_BASE, 0x28);
static struct platform_device orion_wdt_device = {
.name = "orion_wdt",
.id = -1,
.dev = {
.platform_data = &orion_wdt_data,
},
.num_resources = 0,
.resource = &orion_wdt_resource,
.num_resources = 1,
};
void __init orion_wdt_init(unsigned long tclk)

1
arch/arm/plat-orion/include/plat/audio.h
View File

@ -2,7 +2,6 @@
#define __PLAT_AUDIO_H
struct kirkwood_asoc_platform_data {
u32 tclk;
int burst;
};
#endif

9
drivers/rtc/rtc-mv.c
View File

@ -12,6 +12,7 @@
#include <linux/bcd.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/delay.h>
#include <linux/gfp.h>
#include <linux/module.h>
@ -294,11 +295,19 @@ static int __exit mv_rtc_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_OF
static struct of_device_id rtc_mv_of_match_table[] = {
{ .compatible = "mrvl,orion-rtc", },
{}
};
#endif
static struct platform_driver mv_rtc_driver = {
.remove = __exit_p(mv_rtc_remove),
.driver = {
.name = "rtc-mv",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(rtc_mv_of_match_table),
},
};

5
drivers/spi/spi-orion.c
View File

@ -359,11 +359,6 @@ static int orion_spi_setup(struct spi_device *spi)
orion_spi = spi_master_get_devdata(spi->master);
/* Fix ac timing if required. */
if (orion_spi->spi_info->enable_clock_fix)
orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,
(1 << 14));
if ((spi->max_speed_hz == 0)
|| (spi->max_speed_hz > orion_spi->max_speed))
spi->max_speed_hz = orion_spi->max_speed;

24
drivers/watchdog/orion_wdt.c
View File

@ -28,9 +28,9 @@
/*
* Watchdog timer block registers.
*/
#define TIMER_CTRL (TIMER_VIRT_BASE + 0x0000)
#define TIMER_CTRL 0x0000
#define WDT_EN 0x0010
#define WDT_VAL (TIMER_VIRT_BASE + 0x0024)
#define WDT_VAL 0x0024
#define WDT_MAX_CYCLE_COUNT 0xffffffff
#define WDT_IN_USE 0
@ -40,6 +40,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
static int heartbeat = -1; /* module parameter (seconds) */
static unsigned int wdt_max_duration; /* (seconds) */
static unsigned int wdt_tclk;
static void __iomem *wdt_reg;
static unsigned long wdt_status;
static DEFINE_SPINLOCK(wdt_lock);
@ -48,7 +49,7 @@ static void orion_wdt_ping(void)
spin_lock(&wdt_lock);
/* Reload watchdog duration */
writel(wdt_tclk * heartbeat, WDT_VAL);
writel(wdt_tclk * heartbeat, wdt_reg + WDT_VAL);
spin_unlock(&wdt_lock);
}
@ -60,7 +61,7 @@ static void orion_wdt_enable(void)
spin_lock(&wdt_lock);
/* Set watchdog duration */
writel(wdt_tclk * heartbeat, WDT_VAL);
writel(wdt_tclk * heartbeat, wdt_reg + WDT_VAL);
/* Clear watchdog timer interrupt */
reg = readl(BRIDGE_CAUSE);
@ -68,9 +69,9 @@ static void orion_wdt_enable(void)
writel(reg, BRIDGE_CAUSE);
/* Enable watchdog timer */
reg = readl(TIMER_CTRL);
reg = readl(wdt_reg + TIMER_CTRL);
reg |= WDT_EN;
writel(reg, TIMER_CTRL);
writel(reg, wdt_reg + TIMER_CTRL);
/* Enable reset on watchdog */
reg = readl(RSTOUTn_MASK);
@ -92,9 +93,9 @@ static void orion_wdt_disable(void)
writel(reg, RSTOUTn_MASK);
/* Disable watchdog timer */
reg = readl(TIMER_CTRL);
reg = readl(wdt_reg + TIMER_CTRL);
reg &= ~WDT_EN;
writel(reg, TIMER_CTRL);
writel(reg, wdt_reg + TIMER_CTRL);
spin_unlock(&wdt_lock);
}
@ -102,7 +103,7 @@ static void orion_wdt_disable(void)
static int orion_wdt_get_timeleft(int *time_left)
{
spin_lock(&wdt_lock);
*time_left = readl(WDT_VAL) / wdt_tclk;
*time_left = readl(wdt_reg + WDT_VAL) / wdt_tclk;
spin_unlock(&wdt_lock);
return 0;
}
@ -236,6 +237,7 @@ static struct miscdevice orion_wdt_miscdev = {
static int __devinit orion_wdt_probe(struct platform_device *pdev)
{
struct orion_wdt_platform_data *pdata = pdev->dev.platform_data;
struct resource *res;
int ret;
if (pdata) {
@ -245,6 +247,10 @@ static int __devinit orion_wdt_probe(struct platform_device *pdev)
return -ENODEV;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
wdt_reg = ioremap(res->start, resource_size(res));
if (orion_wdt_miscdev.parent)
return -EBUSY;
orion_wdt_miscdev.parent = &pdev->dev;

1
include/linux/spi/orion_spi.h
View File

@ -11,7 +11,6 @@
struct orion_spi_info {
u32 tclk; /* no <linux/clk.h> support yet */
u32 enable_clock_fix;
};