[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-sa1100/assabet.c b/src/kernel/linux/v4.14/arch/arm/mach-sa1100/assabet.c
new file mode 100644
index 0000000..d28ecb9
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-sa1100/assabet.c
@@ -0,0 +1,764 @@
+/*
+ * linux/arch/arm/mach-sa1100/assabet.c
+ *
+ * Author: Nicolas Pitre
+ *
+ * This file contains all Assabet-specific tweaks.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/ucb1x00.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+
+#include <video/sa1100fb.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/tlbflush.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <linux/platform_data/irda-sa11x0.h>
+#include <asm/mach/map.h>
+#include <mach/assabet.h>
+#include <linux/platform_data/mfd-mcp-sa11x0.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+#define ASSABET_BCR_DB1110 \
+ (ASSABET_BCR_SPK_OFF | \
+ ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \
+ ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \
+ ASSABET_BCR_IRDA_MD0)
+
+#define ASSABET_BCR_DB1111 \
+ (ASSABET_BCR_SPK_OFF | \
+ ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \
+ ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \
+ ASSABET_BCR_CF_BUS_OFF | ASSABET_BCR_STEREO_LB | \
+ ASSABET_BCR_IRDA_MD0 | ASSABET_BCR_CF_RST)
+
+unsigned long SCR_value = ASSABET_SCR_INIT;
+EXPORT_SYMBOL(SCR_value);
+
+static unsigned long BCR_value = ASSABET_BCR_DB1110;
+
+void ASSABET_BCR_frob(unsigned int mask, unsigned int val)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ BCR_value = (BCR_value & ~mask) | val;
+ ASSABET_BCR = BCR_value;
+ local_irq_restore(flags);
+}
+
+EXPORT_SYMBOL(ASSABET_BCR_frob);
+
+/*
+ * The codec reset goes to three devices, so we need to release
+ * the rest when any one of these requests it. However, that
+ * causes the ADV7171 to consume around 100mA - more than half
+ * the LCD-blanked power.
+ *
+ * With the ADV7171, LCD and backlight enabled, we go over
+ * budget on the MAX846 Li-Ion charger, and if no Li-Ion battery
+ * is connected, the Assabet crashes.
+ */
+#define RST_UCB1X00 (1 << 0)
+#define RST_UDA1341 (1 << 1)
+#define RST_ADV7171 (1 << 2)
+
+#define SDA GPIO_GPIO(15)
+#define SCK GPIO_GPIO(18)
+#define MOD GPIO_GPIO(17)
+
+static void adv7171_start(void)
+{
+ GPSR = SCK;
+ udelay(1);
+ GPSR = SDA;
+ udelay(2);
+ GPCR = SDA;
+}
+
+static void adv7171_stop(void)
+{
+ GPSR = SCK;
+ udelay(2);
+ GPSR = SDA;
+ udelay(1);
+}
+
+static void adv7171_send(unsigned byte)
+{
+ unsigned i;
+
+ for (i = 0; i < 8; i++, byte <<= 1) {
+ GPCR = SCK;
+ udelay(1);
+ if (byte & 0x80)
+ GPSR = SDA;
+ else
+ GPCR = SDA;
+ udelay(1);
+ GPSR = SCK;
+ udelay(1);
+ }
+ GPCR = SCK;
+ udelay(1);
+ GPSR = SDA;
+ udelay(1);
+ GPDR &= ~SDA;
+ GPSR = SCK;
+ udelay(1);
+ if (GPLR & SDA)
+ printk(KERN_WARNING "No ACK from ADV7171\n");
+ udelay(1);
+ GPCR = SCK | SDA;
+ udelay(1);
+ GPDR |= SDA;
+ udelay(1);
+}
+
+static void adv7171_write(unsigned reg, unsigned val)
+{
+ unsigned gpdr = GPDR;
+ unsigned gplr = GPLR;
+
+ ASSABET_BCR = BCR_value | ASSABET_BCR_AUDIO_ON;
+ udelay(100);
+
+ GPCR = SDA | SCK | MOD; /* clear L3 mode to ensure UDA1341 doesn't respond */
+ GPDR = (GPDR | SCK | MOD) & ~SDA;
+ udelay(10);
+ if (!(GPLR & SDA))
+ printk(KERN_WARNING "Something dragging SDA down?\n");
+ GPDR |= SDA;
+
+ adv7171_start();
+ adv7171_send(0x54);
+ adv7171_send(reg);
+ adv7171_send(val);
+ adv7171_stop();
+
+ /* Restore GPIO state for L3 bus */
+ GPSR = gplr & (SDA | SCK | MOD);
+ GPCR = (~gplr) & (SDA | SCK | MOD);
+ GPDR = gpdr;
+}
+
+static void adv7171_sleep(void)
+{
+ /* Put the ADV7171 into sleep mode */
+ adv7171_write(0x04, 0x40);
+}
+
+static unsigned codec_nreset;
+
+static void assabet_codec_reset(unsigned mask, int set)
+{
+ unsigned long flags;
+ bool old;
+
+ local_irq_save(flags);
+ old = !codec_nreset;
+ if (set)
+ codec_nreset &= ~mask;
+ else
+ codec_nreset |= mask;
+
+ if (old != !codec_nreset) {
+ if (codec_nreset) {
+ ASSABET_BCR_set(ASSABET_BCR_NCODEC_RST);
+ adv7171_sleep();
+ } else {
+ ASSABET_BCR_clear(ASSABET_BCR_NCODEC_RST);
+ }
+ }
+ local_irq_restore(flags);
+}
+
+static void assabet_ucb1x00_reset(enum ucb1x00_reset state)
+{
+ int set = state == UCB_RST_REMOVE || state == UCB_RST_SUSPEND ||
+ state == UCB_RST_PROBE_FAIL;
+ assabet_codec_reset(RST_UCB1X00, set);
+}
+
+void assabet_uda1341_reset(int set)
+{
+ assabet_codec_reset(RST_UDA1341, set);
+}
+EXPORT_SYMBOL(assabet_uda1341_reset);
+
+
+/*
+ * Assabet flash support code.
+ */
+
+#ifdef ASSABET_REV_4
+/*
+ * Phase 4 Assabet has two 28F160B3 flash parts in bank 0:
+ */
+static struct mtd_partition assabet_partitions[] = {
+ {
+ .name = "bootloader",
+ .size = 0x00020000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "bootloader params",
+ .size = 0x00020000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "jffs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#else
+/*
+ * Phase 5 Assabet has two 28F128J3A flash parts in bank 0:
+ */
+static struct mtd_partition assabet_partitions[] = {
+ {
+ .name = "bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "bootloader params",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "jffs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+static struct flash_platform_data assabet_flash_data = {
+ .map_name = "cfi_probe",
+ .parts = assabet_partitions,
+ .nr_parts = ARRAY_SIZE(assabet_partitions),
+};
+
+static struct resource assabet_flash_resources[] = {
+ DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
+ DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_32M),
+};
+
+
+/*
+ * Assabet IrDA support code.
+ */
+
+static int assabet_irda_set_power(struct device *dev, unsigned int state)
+{
+ static unsigned int bcr_state[4] = {
+ ASSABET_BCR_IRDA_MD0,
+ ASSABET_BCR_IRDA_MD1|ASSABET_BCR_IRDA_MD0,
+ ASSABET_BCR_IRDA_MD1,
+ 0
+ };
+
+ if (state < 4)
+ ASSABET_BCR_frob(ASSABET_BCR_IRDA_MD1 | ASSABET_BCR_IRDA_MD0,
+ bcr_state[state]);
+ return 0;
+}
+
+static void assabet_irda_set_speed(struct device *dev, unsigned int speed)
+{
+ if (speed < 4000000)
+ ASSABET_BCR_clear(ASSABET_BCR_IRDA_FSEL);
+ else
+ ASSABET_BCR_set(ASSABET_BCR_IRDA_FSEL);
+}
+
+static struct irda_platform_data assabet_irda_data = {
+ .set_power = assabet_irda_set_power,
+ .set_speed = assabet_irda_set_speed,
+};
+
+static struct ucb1x00_plat_data assabet_ucb1x00_data = {
+ .reset = assabet_ucb1x00_reset,
+ .gpio_base = -1,
+ .can_wakeup = 1,
+};
+
+static struct mcp_plat_data assabet_mcp_data = {
+ .mccr0 = MCCR0_ADM,
+ .sclk_rate = 11981000,
+ .codec_pdata = &assabet_ucb1x00_data,
+};
+
+static void assabet_lcd_set_visual(u32 visual)
+{
+ u_int is_true_color = visual == FB_VISUAL_TRUECOLOR;
+
+ if (machine_is_assabet()) {
+#if 1 // phase 4 or newer Assabet's
+ if (is_true_color)
+ ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB);
+ else
+ ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB);
+#else
+ // older Assabet's
+ if (is_true_color)
+ ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB);
+ else
+ ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB);
+#endif
+ }
+}
+
+#ifndef ASSABET_PAL_VIDEO
+static void assabet_lcd_backlight_power(int on)
+{
+ if (on)
+ ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON);
+ else
+ ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON);
+}
+
+/*
+ * Turn on/off the backlight. When turning the backlight on, we wait
+ * 500us after turning it on so we don't cause the supplies to droop
+ * when we enable the LCD controller (and cause a hard reset.)
+ */
+static void assabet_lcd_power(int on)
+{
+ if (on) {
+ ASSABET_BCR_set(ASSABET_BCR_LCD_ON);
+ udelay(500);
+ } else
+ ASSABET_BCR_clear(ASSABET_BCR_LCD_ON);
+}
+
+/*
+ * The assabet uses a sharp LQ039Q2DS54 LCD module. It is actually
+ * takes an RGB666 signal, but we provide it with an RGB565 signal
+ * instead (def_rgb_16).
+ */
+static struct sa1100fb_mach_info lq039q2ds54_info = {
+ .pixclock = 171521, .bpp = 16,
+ .xres = 320, .yres = 240,
+
+ .hsync_len = 5, .vsync_len = 1,
+ .left_margin = 61, .upper_margin = 3,
+ .right_margin = 9, .lower_margin = 0,
+
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
+
+ .backlight_power = assabet_lcd_backlight_power,
+ .lcd_power = assabet_lcd_power,
+ .set_visual = assabet_lcd_set_visual,
+};
+#else
+static void assabet_pal_backlight_power(int on)
+{
+ ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON);
+}
+
+static void assabet_pal_power(int on)
+{
+ ASSABET_BCR_clear(ASSABET_BCR_LCD_ON);
+}
+
+static struct sa1100fb_mach_info pal_info = {
+ .pixclock = 67797, .bpp = 16,
+ .xres = 640, .yres = 512,
+
+ .hsync_len = 64, .vsync_len = 6,
+ .left_margin = 125, .upper_margin = 70,
+ .right_margin = 115, .lower_margin = 36,
+
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512),
+
+ .backlight_power = assabet_pal_backlight_power,
+ .lcd_power = assabet_pal_power,
+ .set_visual = assabet_lcd_set_visual,
+};
+#endif
+
+#ifdef CONFIG_ASSABET_NEPONSET
+static struct resource neponset_resources[] = {
+ DEFINE_RES_MEM(0x10000000, 0x08000000),
+ DEFINE_RES_MEM(0x18000000, 0x04000000),
+ DEFINE_RES_MEM(0x40000000, SZ_8K),
+ DEFINE_RES_IRQ(IRQ_GPIO25),
+};
+#endif
+
+static void __init assabet_init(void)
+{
+ /*
+ * Ensure that the power supply is in "high power" mode.
+ */
+ GPSR = GPIO_GPIO16;
+ GPDR |= GPIO_GPIO16;
+
+ /*
+ * Ensure that these pins are set as outputs and are driving
+ * logic 0. This ensures that we won't inadvertently toggle
+ * the WS latch in the CPLD, and we don't float causing
+ * excessive power drain. --rmk
+ */
+ GPCR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
+ GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
+
+ /*
+ * Also set GPIO27 as an output; this is used to clock UART3
+ * via the FPGA and as otherwise has no pullups or pulldowns,
+ * so stop it floating.
+ */
+ GPCR = GPIO_GPIO27;
+ GPDR |= GPIO_GPIO27;
+
+ /*
+ * Set up registers for sleep mode.
+ */
+ PWER = PWER_GPIO0;
+ PGSR = 0;
+ PCFR = 0;
+ PSDR = 0;
+ PPDR |= PPC_TXD3 | PPC_TXD1;
+ PPSR |= PPC_TXD3 | PPC_TXD1;
+
+ sa11x0_ppc_configure_mcp();
+
+ if (machine_has_neponset()) {
+ /*
+ * Angel sets this, but other bootloaders may not.
+ *
+ * This must precede any driver calls to BCR_set()
+ * or BCR_clear().
+ */
+ ASSABET_BCR = BCR_value = ASSABET_BCR_DB1111;
+
+#ifndef CONFIG_ASSABET_NEPONSET
+ printk( "Warning: Neponset detected but full support "
+ "hasn't been configured in the kernel\n" );
+#else
+ platform_device_register_simple("neponset", 0,
+ neponset_resources, ARRAY_SIZE(neponset_resources));
+#endif
+ }
+
+#ifndef ASSABET_PAL_VIDEO
+ sa11x0_register_lcd(&lq039q2ds54_info);
+#else
+ sa11x0_register_lcd(&pal_video);
+#endif
+ sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources,
+ ARRAY_SIZE(assabet_flash_resources));
+ sa11x0_register_irda(&assabet_irda_data);
+ sa11x0_register_mcp(&assabet_mcp_data);
+}
+
+/*
+ * On Assabet, we must probe for the Neponset board _before_
+ * paging_init() has occurred to actually determine the amount
+ * of RAM available. To do so, we map the appropriate IO section
+ * in the page table here in order to access GPIO registers.
+ */
+static void __init map_sa1100_gpio_regs( void )
+{
+ unsigned long phys = __PREG(GPLR) & PMD_MASK;
+ unsigned long virt = (unsigned long)io_p2v(phys);
+ int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO);
+ pmd_t *pmd;
+
+ pmd = pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);
+ *pmd = __pmd(phys | prot);
+ flush_pmd_entry(pmd);
+}
+
+/*
+ * Read System Configuration "Register"
+ * (taken from "Intel StrongARM SA-1110 Microprocessor Development Board
+ * User's Guide", section 4.4.1)
+ *
+ * This same scan is performed in arch/arm/boot/compressed/head-sa1100.S
+ * to set up the serial port for decompression status messages. We
+ * repeat it here because the kernel may not be loaded as a zImage, and
+ * also because it's a hassle to communicate the SCR value to the kernel
+ * from the decompressor.
+ *
+ * Note that IRQs are guaranteed to be disabled.
+ */
+static void __init get_assabet_scr(void)
+{
+ unsigned long uninitialized_var(scr), i;
+
+ GPDR |= 0x3fc; /* Configure GPIO 9:2 as outputs */
+ GPSR = 0x3fc; /* Write 0xFF to GPIO 9:2 */
+ GPDR &= ~(0x3fc); /* Configure GPIO 9:2 as inputs */
+ for(i = 100; i--; ) /* Read GPIO 9:2 */
+ scr = GPLR;
+ GPDR |= 0x3fc; /* restore correct pin direction */
+ scr &= 0x3fc; /* save as system configuration byte. */
+ SCR_value = scr;
+}
+
+static void __init
+fixup_assabet(struct tag *tags, char **cmdline)
+{
+ /* This must be done before any call to machine_has_neponset() */
+ map_sa1100_gpio_regs();
+ get_assabet_scr();
+
+ if (machine_has_neponset())
+ printk("Neponset expansion board detected\n");
+}
+
+
+static void assabet_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
+{
+ if (port->mapbase == _Ser1UTCR0) {
+ if (state)
+ ASSABET_BCR_clear(ASSABET_BCR_RS232EN |
+ ASSABET_BCR_COM_RTS |
+ ASSABET_BCR_COM_DTR);
+ else
+ ASSABET_BCR_set(ASSABET_BCR_RS232EN |
+ ASSABET_BCR_COM_RTS |
+ ASSABET_BCR_COM_DTR);
+ }
+}
+
+/*
+ * Assabet uses COM_RTS and COM_DTR for both UART1 (com port)
+ * and UART3 (radio module). We only handle them for UART1 here.
+ */
+static void assabet_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+ if (port->mapbase == _Ser1UTCR0) {
+ u_int set = 0, clear = 0;
+
+ if (mctrl & TIOCM_RTS)
+ clear |= ASSABET_BCR_COM_RTS;
+ else
+ set |= ASSABET_BCR_COM_RTS;
+
+ if (mctrl & TIOCM_DTR)
+ clear |= ASSABET_BCR_COM_DTR;
+ else
+ set |= ASSABET_BCR_COM_DTR;
+
+ ASSABET_BCR_clear(clear);
+ ASSABET_BCR_set(set);
+ }
+}
+
+static u_int assabet_get_mctrl(struct uart_port *port)
+{
+ u_int ret = 0;
+ u_int bsr = ASSABET_BSR;
+
+ /* need 2 reads to read current value */
+ bsr = ASSABET_BSR;
+
+ if (port->mapbase == _Ser1UTCR0) {
+ if (bsr & ASSABET_BSR_COM_DCD)
+ ret |= TIOCM_CD;
+ if (bsr & ASSABET_BSR_COM_CTS)
+ ret |= TIOCM_CTS;
+ if (bsr & ASSABET_BSR_COM_DSR)
+ ret |= TIOCM_DSR;
+ } else if (port->mapbase == _Ser3UTCR0) {
+ if (bsr & ASSABET_BSR_RAD_DCD)
+ ret |= TIOCM_CD;
+ if (bsr & ASSABET_BSR_RAD_CTS)
+ ret |= TIOCM_CTS;
+ if (bsr & ASSABET_BSR_RAD_DSR)
+ ret |= TIOCM_DSR;
+ if (bsr & ASSABET_BSR_RAD_RI)
+ ret |= TIOCM_RI;
+ } else {
+ ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
+ }
+
+ return ret;
+}
+
+static struct sa1100_port_fns assabet_port_fns __initdata = {
+ .set_mctrl = assabet_set_mctrl,
+ .get_mctrl = assabet_get_mctrl,
+ .pm = assabet_uart_pm,
+};
+
+static struct map_desc assabet_io_desc[] __initdata = {
+ { /* Board Control Register */
+ .virtual = 0xf1000000,
+ .pfn = __phys_to_pfn(0x12000000),
+ .length = 0x00100000,
+ .type = MT_DEVICE
+ }, { /* MQ200 */
+ .virtual = 0xf2800000,
+ .pfn = __phys_to_pfn(0x4b800000),
+ .length = 0x00800000,
+ .type = MT_DEVICE
+ }
+};
+
+static void __init assabet_map_io(void)
+{
+ sa1100_map_io();
+ iotable_init(assabet_io_desc, ARRAY_SIZE(assabet_io_desc));
+
+ /*
+ * Set SUS bit in SDCR0 so serial port 1 functions.
+ * Its called GPCLKR0 in my SA1110 manual.
+ */
+ Ser1SDCR0 |= SDCR0_SUS;
+ MSC1 = (MSC1 & ~0xffff) |
+ MSC_NonBrst | MSC_32BitStMem |
+ MSC_RdAcc(2) | MSC_WrAcc(2) | MSC_Rec(0);
+
+ if (!machine_has_neponset())
+ sa1100_register_uart_fns(&assabet_port_fns);
+
+ /*
+ * When Neponset is attached, the first UART should be
+ * UART3. That's what Angel is doing and many documents
+ * are stating this.
+ *
+ * We do the Neponset mapping even if Neponset support
+ * isn't compiled in so the user will still get something on
+ * the expected physical serial port.
+ *
+ * We no longer do this; not all boot loaders support it,
+ * and UART3 appears to be somewhat unreliable with blob.
+ */
+ sa1100_register_uart(0, 1);
+ sa1100_register_uart(2, 3);
+}
+
+/* LEDs */
+#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
+struct assabet_led {
+ struct led_classdev cdev;
+ u32 mask;
+};
+
+/*
+ * The triggers lines up below will only be used if the
+ * LED triggers are compiled in.
+ */
+static const struct {
+ const char *name;
+ const char *trigger;
+} assabet_leds[] = {
+ { "assabet:red", "cpu0",},
+ { "assabet:green", "heartbeat", },
+};
+
+/*
+ * The LED control in Assabet is reversed:
+ * - setting bit means turn off LED
+ * - clearing bit means turn on LED
+ */
+static void assabet_led_set(struct led_classdev *cdev,
+ enum led_brightness b)
+{
+ struct assabet_led *led = container_of(cdev,
+ struct assabet_led, cdev);
+
+ if (b != LED_OFF)
+ ASSABET_BCR_clear(led->mask);
+ else
+ ASSABET_BCR_set(led->mask);
+}
+
+static enum led_brightness assabet_led_get(struct led_classdev *cdev)
+{
+ struct assabet_led *led = container_of(cdev,
+ struct assabet_led, cdev);
+
+ return (ASSABET_BCR & led->mask) ? LED_OFF : LED_FULL;
+}
+
+static int __init assabet_leds_init(void)
+{
+ int i;
+
+ if (!machine_is_assabet())
+ return -ENODEV;
+
+ for (i = 0; i < ARRAY_SIZE(assabet_leds); i++) {
+ struct assabet_led *led;
+
+ led = kzalloc(sizeof(*led), GFP_KERNEL);
+ if (!led)
+ break;
+
+ led->cdev.name = assabet_leds[i].name;
+ led->cdev.brightness_set = assabet_led_set;
+ led->cdev.brightness_get = assabet_led_get;
+ led->cdev.default_trigger = assabet_leds[i].trigger;
+
+ if (!i)
+ led->mask = ASSABET_BCR_LED_RED;
+ else
+ led->mask = ASSABET_BCR_LED_GREEN;
+
+ if (led_classdev_register(NULL, &led->cdev) < 0) {
+ kfree(led);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Since we may have triggers on any subsystem, defer registration
+ * until after subsystem_init.
+ */
+fs_initcall(assabet_leds_init);
+#endif
+
+MACHINE_START(ASSABET, "Intel-Assabet")
+ .atag_offset = 0x100,
+ .fixup = fixup_assabet,
+ .map_io = assabet_map_io,
+ .nr_irqs = SA1100_NR_IRQS,
+ .init_irq = sa1100_init_irq,
+ .init_time = sa1100_timer_init,
+ .init_machine = assabet_init,
+ .init_late = sa11x0_init_late,
+#ifdef CONFIG_SA1111
+ .dma_zone_size = SZ_1M,
+#endif
+ .restart = sa11x0_restart,
+MACHINE_END