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-rw-r--r--arch/arm/mach-lpc32xx/Kconfig32
-rw-r--r--arch/arm/mach-lpc32xx/Makefile.boot1
-rw-r--r--arch/arm/mach-lpc32xx/clock.c131
-rw-r--r--arch/arm/mach-lpc32xx/common.c25
-rw-r--r--arch/arm/mach-lpc32xx/common.h5
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/debug-macro.S29
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h50
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio.h8
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/hardware.h2
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/platform.h15
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/timex.h28
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/uncompress.h1
-rw-r--r--arch/arm/mach-lpc32xx/irq.c30
-rw-r--r--arch/arm/mach-lpc32xx/phy3250.c188
-rw-r--r--arch/arm/mach-lpc32xx/serial.c90
-rw-r--r--arch/arm/mach-lpc32xx/timer.c18
16 files changed, 233 insertions, 420 deletions
diff --git a/arch/arm/mach-lpc32xx/Kconfig b/arch/arm/mach-lpc32xx/Kconfig
deleted file mode 100644
index e0b3eee8383..00000000000
--- a/arch/arm/mach-lpc32xx/Kconfig
+++ /dev/null
@@ -1,32 +0,0 @@
-if ARCH_LPC32XX
-
-menu "Individual UART enable selections"
-
-config ARCH_LPC32XX_UART3_SELECT
- bool "Add support for standard UART3"
- help
- Adds support for standard UART 3 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART4_SELECT
- bool "Add support for standard UART4"
- help
- Adds support for standard UART 4 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART5_SELECT
- bool "Add support for standard UART5"
- default y
- help
- Adds support for standard UART 5 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART6_SELECT
- bool "Add support for standard UART6"
- help
- Adds support for standard UART 6 when the 8250 serial support
- is enabled.
-
-endmenu
-
-endif
diff --git a/arch/arm/mach-lpc32xx/Makefile.boot b/arch/arm/mach-lpc32xx/Makefile.boot
index 2cfe0ee635c..d7392a47524 100644
--- a/arch/arm/mach-lpc32xx/Makefile.boot
+++ b/arch/arm/mach-lpc32xx/Makefile.boot
@@ -1,4 +1,3 @@
zreladdr-y += 0x80008000
params_phys-y := 0x80000100
initrd_phys-y := 0x82000000
-
diff --git a/arch/arm/mach-lpc32xx/clock.c b/arch/arm/mach-lpc32xx/clock.c
index f6a3ffec1f4..dd5d6f532e8 100644
--- a/arch/arm/mach-lpc32xx/clock.c
+++ b/arch/arm/mach-lpc32xx/clock.c
@@ -585,6 +585,13 @@ static struct clk clk_timer3 = {
.enable_mask = LPC32XX_CLKPWR_TMRPWMCLK_TIMER3_EN,
.get_rate = local_return_parent_rate,
};
+static struct clk clk_mpwm = {
+ .parent = &clk_pclk,
+ .enable = local_onoff_enable,
+ .enable_reg = LPC32XX_CLKPWR_TIMERS_PWMS_CLK_CTRL_1,
+ .enable_mask = LPC32XX_CLKPWR_TMRPWMCLK_MPWM_EN,
+ .get_rate = local_return_parent_rate,
+};
static struct clk clk_wdt = {
.parent = &clk_pclk,
.enable = local_onoff_enable,
@@ -607,6 +614,19 @@ static struct clk clk_dma = {
.get_rate = local_return_parent_rate,
};
+static struct clk clk_pwm = {
+ .parent = &clk_pclk,
+ .enable = local_onoff_enable,
+ .enable_reg = LPC32XX_CLKPWR_PWM_CLK_CTRL,
+ .enable_mask = LPC32XX_CLKPWR_PWMCLK_PWM1CLK_EN |
+ LPC32XX_CLKPWR_PWMCLK_PWM1SEL_PCLK |
+ LPC32XX_CLKPWR_PWMCLK_PWM1_DIV(1) |
+ LPC32XX_CLKPWR_PWMCLK_PWM2CLK_EN |
+ LPC32XX_CLKPWR_PWMCLK_PWM2SEL_PCLK |
+ LPC32XX_CLKPWR_PWMCLK_PWM2_DIV(1),
+ .get_rate = local_return_parent_rate,
+};
+
static struct clk clk_uart3 = {
.parent = &clk_pclk,
.enable = local_onoff_enable,
@@ -691,10 +711,21 @@ static struct clk clk_nand = {
.parent = &clk_hclk,
.enable = local_onoff_enable,
.enable_reg = LPC32XX_CLKPWR_NAND_CLK_CTRL,
- .enable_mask = LPC32XX_CLKPWR_NANDCLK_SLCCLK_EN,
+ .enable_mask = LPC32XX_CLKPWR_NANDCLK_SLCCLK_EN |
+ LPC32XX_CLKPWR_NANDCLK_SEL_SLC,
.get_rate = local_return_parent_rate,
};
+static struct clk clk_nand_mlc = {
+ .parent = &clk_hclk,
+ .enable = local_onoff_enable,
+ .enable_reg = LPC32XX_CLKPWR_NAND_CLK_CTRL,
+ .enable_mask = LPC32XX_CLKPWR_NANDCLK_MLCCLK_EN |
+ LPC32XX_CLKPWR_NANDCLK_DMA_INT |
+ LPC32XX_CLKPWR_NANDCLK_INTSEL_MLC,
+ .get_rate = local_return_parent_rate,
+};
+
static struct clk clk_i2s0 = {
.parent = &clk_hclk,
.enable = local_onoff_enable,
@@ -707,7 +738,8 @@ static struct clk clk_i2s1 = {
.parent = &clk_hclk,
.enable = local_onoff_enable,
.enable_reg = LPC32XX_CLKPWR_I2S_CLK_CTRL,
- .enable_mask = LPC32XX_CLKPWR_I2SCTRL_I2SCLK1_EN,
+ .enable_mask = LPC32XX_CLKPWR_I2SCTRL_I2SCLK1_EN |
+ LPC32XX_CLKPWR_I2SCTRL_I2S1_USE_DMA,
.get_rate = local_return_parent_rate,
};
@@ -727,14 +759,77 @@ static struct clk clk_rtc = {
.get_rate = local_return_parent_rate,
};
+static int local_usb_enable(struct clk *clk, int enable)
+{
+ u32 tmp;
+
+ if (enable) {
+ /* Set up I2C pull levels */
+ tmp = __raw_readl(LPC32XX_CLKPWR_I2C_CLK_CTRL);
+ tmp |= LPC32XX_CLKPWR_I2CCLK_USBI2CHI_DRIVE;
+ __raw_writel(tmp, LPC32XX_CLKPWR_I2C_CLK_CTRL);
+ }
+
+ return local_onoff_enable(clk, enable);
+}
+
static struct clk clk_usbd = {
.parent = &clk_usbpll,
- .enable = local_onoff_enable,
+ .enable = local_usb_enable,
.enable_reg = LPC32XX_CLKPWR_USB_CTRL,
.enable_mask = LPC32XX_CLKPWR_USBCTRL_HCLK_EN,
.get_rate = local_return_parent_rate,
};
+#define OTG_ALWAYS_MASK (LPC32XX_USB_OTG_OTG_CLOCK_ON | \
+ LPC32XX_USB_OTG_I2C_CLOCK_ON)
+
+static int local_usb_otg_enable(struct clk *clk, int enable)
+{
+ int to = 1000;
+
+ if (enable) {
+ __raw_writel(clk->enable_mask, clk->enable_reg);
+
+ while (((__raw_readl(LPC32XX_USB_OTG_CLK_STAT) &
+ clk->enable_mask) != clk->enable_mask) && (to > 0))
+ to--;
+ } else {
+ __raw_writel(OTG_ALWAYS_MASK, clk->enable_reg);
+
+ while (((__raw_readl(LPC32XX_USB_OTG_CLK_STAT) &
+ OTG_ALWAYS_MASK) != OTG_ALWAYS_MASK) && (to > 0))
+ to--;
+ }
+
+ if (to)
+ return 0;
+ else
+ return -1;
+}
+
+static struct clk clk_usb_otg_dev = {
+ .parent = &clk_usbpll,
+ .enable = local_usb_otg_enable,
+ .enable_reg = LPC32XX_USB_OTG_CLK_CTRL,
+ .enable_mask = LPC32XX_USB_OTG_AHB_M_CLOCK_ON |
+ LPC32XX_USB_OTG_OTG_CLOCK_ON |
+ LPC32XX_USB_OTG_DEV_CLOCK_ON |
+ LPC32XX_USB_OTG_I2C_CLOCK_ON,
+ .get_rate = local_return_parent_rate,
+};
+
+static struct clk clk_usb_otg_host = {
+ .parent = &clk_usbpll,
+ .enable = local_usb_otg_enable,
+ .enable_reg = LPC32XX_USB_OTG_CLK_CTRL,
+ .enable_mask = LPC32XX_USB_OTG_AHB_M_CLOCK_ON |
+ LPC32XX_USB_OTG_OTG_CLOCK_ON |
+ LPC32XX_USB_OTG_HOST_CLOCK_ON |
+ LPC32XX_USB_OTG_I2C_CLOCK_ON,
+ .get_rate = local_return_parent_rate,
+};
+
static int tsc_onoff_enable(struct clk *clk, int enable)
{
u32 tmp;
@@ -800,11 +895,17 @@ static int mmc_onoff_enable(struct clk *clk, int enable)
u32 tmp;
tmp = __raw_readl(LPC32XX_CLKPWR_MS_CTRL) &
- ~LPC32XX_CLKPWR_MSCARD_SDCARD_EN;
+ ~(LPC32XX_CLKPWR_MSCARD_SDCARD_EN |
+ LPC32XX_CLKPWR_MSCARD_MSDIO_PU_EN |
+ LPC32XX_CLKPWR_MSCARD_MSDIO_PIN_DIS |
+ LPC32XX_CLKPWR_MSCARD_MSDIO0_DIS |
+ LPC32XX_CLKPWR_MSCARD_MSDIO1_DIS |
+ LPC32XX_CLKPWR_MSCARD_MSDIO23_DIS);
/* If rate is 0, disable clock */
if (enable != 0)
- tmp |= LPC32XX_CLKPWR_MSCARD_SDCARD_EN;
+ tmp |= LPC32XX_CLKPWR_MSCARD_SDCARD_EN |
+ LPC32XX_CLKPWR_MSCARD_MSDIO_PU_EN;
__raw_writel(tmp, LPC32XX_CLKPWR_MS_CTRL);
@@ -853,7 +954,7 @@ static unsigned long mmc_round_rate(struct clk *clk, unsigned long rate)
static int mmc_set_rate(struct clk *clk, unsigned long rate)
{
- u32 oldclk, tmp;
+ u32 tmp;
unsigned long prate, div, crate = mmc_round_rate(clk, rate);
prate = clk->parent->get_rate(clk->parent);
@@ -861,16 +962,12 @@ static int mmc_set_rate(struct clk *clk, unsigned long rate)
div = prate / crate;
/* The MMC clock must be on when accessing an MMC register */
- oldclk = __raw_readl(LPC32XX_CLKPWR_MS_CTRL);
- __raw_writel(oldclk | LPC32XX_CLKPWR_MSCARD_SDCARD_EN,
- LPC32XX_CLKPWR_MS_CTRL);
tmp = __raw_readl(LPC32XX_CLKPWR_MS_CTRL) &
~LPC32XX_CLKPWR_MSCARD_SDCARD_DIV(0xf);
- tmp |= LPC32XX_CLKPWR_MSCARD_SDCARD_DIV(div);
+ tmp |= LPC32XX_CLKPWR_MSCARD_SDCARD_DIV(div) |
+ LPC32XX_CLKPWR_MSCARD_SDCARD_EN;
__raw_writel(tmp, LPC32XX_CLKPWR_MS_CTRL);
- __raw_writel(oldclk, LPC32XX_CLKPWR_MS_CTRL);
-
return 0;
}
@@ -1111,6 +1208,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_INIT(NULL, "vfp9_ck", &clk_vfp9),
CLKDEV_INIT("pl08xdmac", NULL, &clk_dma),
CLKDEV_INIT("4003c000.watchdog", NULL, &clk_wdt),
+ CLKDEV_INIT("4005c000.pwm", NULL, &clk_pwm),
+ CLKDEV_INIT("400e8000.mpwm", NULL, &clk_mpwm),
CLKDEV_INIT(NULL, "uart3_ck", &clk_uart3),
CLKDEV_INIT(NULL, "uart4_ck", &clk_uart4),
CLKDEV_INIT(NULL, "uart5_ck", &clk_uart5),
@@ -1120,8 +1219,9 @@ static struct clk_lookup lookups[] = {
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("40050000.key", NULL, &clk_kscan),
+ CLKDEV_INIT("20020000.flash", NULL, &clk_nand),
+ CLKDEV_INIT("200a8000.flash", NULL, &clk_nand_mlc),
CLKDEV_INIT("40048000.adc", NULL, &clk_adc),
CLKDEV_INIT(NULL, "i2s0_ck", &clk_i2s0),
CLKDEV_INIT(NULL, "i2s1_ck", &clk_i2s1),
@@ -1130,6 +1230,9 @@ static struct clk_lookup lookups[] = {
CLKDEV_INIT("31060000.ethernet", NULL, &clk_net),
CLKDEV_INIT("dev:clcd", NULL, &clk_lcd),
CLKDEV_INIT("31020000.usbd", "ck_usbd", &clk_usbd),
+ CLKDEV_INIT("31020000.ohci", "ck_usbd", &clk_usbd),
+ CLKDEV_INIT("31020000.usbd", "ck_usb_otg", &clk_usb_otg_dev),
+ CLKDEV_INIT("31020000.ohci", "ck_usb_otg", &clk_usb_otg_host),
CLKDEV_INIT("lpc32xx_rtc", NULL, &clk_rtc),
};
diff --git a/arch/arm/mach-lpc32xx/common.c b/arch/arm/mach-lpc32xx/common.c
index 5c96057b6d7..de03620d7fa 100644
--- a/arch/arm/mach-lpc32xx/common.c
+++ b/arch/arm/mach-lpc32xx/common.c
@@ -26,6 +26,7 @@
#include <linux/io.h>
#include <asm/mach/map.h>
+#include <asm/system_info.h>
#include <mach/hardware.h>
#include <mach/platform.h>
@@ -98,6 +99,7 @@ u32 lpc32xx_return_iram_size(void)
return iram_size;
}
+EXPORT_SYMBOL_GPL(lpc32xx_return_iram_size);
/*
* Computes PLL rate from PLL register and input clock
@@ -176,25 +178,25 @@ u32 clk_get_pclk_div(void)
static struct map_desc lpc32xx_io_desc[] __initdata = {
{
- .virtual = IO_ADDRESS(LPC32XX_AHB0_START),
+ .virtual = (unsigned long)IO_ADDRESS(LPC32XX_AHB0_START),
.pfn = __phys_to_pfn(LPC32XX_AHB0_START),
.length = LPC32XX_AHB0_SIZE,
.type = MT_DEVICE
},
{
- .virtual = IO_ADDRESS(LPC32XX_AHB1_START),
+ .virtual = (unsigned long)IO_ADDRESS(LPC32XX_AHB1_START),
.pfn = __phys_to_pfn(LPC32XX_AHB1_START),
.length = LPC32XX_AHB1_SIZE,
.type = MT_DEVICE
},
{
- .virtual = IO_ADDRESS(LPC32XX_FABAPB_START),
+ .virtual = (unsigned long)IO_ADDRESS(LPC32XX_FABAPB_START),
.pfn = __phys_to_pfn(LPC32XX_FABAPB_START),
.length = LPC32XX_FABAPB_SIZE,
.type = MT_DEVICE
},
{
- .virtual = IO_ADDRESS(LPC32XX_IRAM_BASE),
+ .virtual = (unsigned long)IO_ADDRESS(LPC32XX_IRAM_BASE),
.pfn = __phys_to_pfn(LPC32XX_IRAM_BASE),
.length = (LPC32XX_IRAM_BANK_SIZE * 2),
.type = MT_DEVICE
@@ -206,11 +208,11 @@ void __init lpc32xx_map_io(void)
iotable_init(lpc32xx_io_desc, ARRAY_SIZE(lpc32xx_io_desc));
}
-void lpc23xx_restart(char mode, const char *cmd)
+void lpc23xx_restart(enum reboot_mode mode, const char *cmd)
{
switch (mode) {
- case 's':
- case 'h':
+ case REBOOT_SOFT:
+ case REBOOT_HARD:
lpc32xx_watchdog_reset();
break;
@@ -224,7 +226,7 @@ void lpc23xx_restart(char mode, const char *cmd)
;
}
-static int __init lpc32xx_display_uid(void)
+static int __init lpc32xx_check_uid(void)
{
u32 uid[4];
@@ -233,6 +235,11 @@ static int __init lpc32xx_display_uid(void)
printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n",
uid[3], uid[2], uid[1], uid[0]);
+ if (!system_serial_low && !system_serial_high) {
+ system_serial_low = uid[0];
+ system_serial_high = uid[1];
+ }
+
return 1;
}
-arch_initcall(lpc32xx_display_uid);
+arch_initcall(lpc32xx_check_uid);
diff --git a/arch/arm/mach-lpc32xx/common.h b/arch/arm/mach-lpc32xx/common.h
index afeac3b1fae..1cd8853b2f9 100644
--- a/arch/arm/mach-lpc32xx/common.h
+++ b/arch/arm/mach-lpc32xx/common.h
@@ -21,15 +21,16 @@
#include <mach/board.h>
#include <linux/platform_device.h>
+#include <linux/reboot.h>
/*
* Other arch specific structures and functions
*/
-extern struct sys_timer lpc32xx_timer;
+extern void lpc32xx_timer_init(void);
extern void __init lpc32xx_init_irq(void);
extern void __init lpc32xx_map_io(void);
extern void __init lpc32xx_serial_init(void);
-extern void lpc23xx_restart(char, const char *);
+extern void lpc23xx_restart(enum reboot_mode, const char *);
/*
diff --git a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
deleted file mode 100644
index 351bd6c8490..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/debug-macro.S
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-/*
- * Debug output is hardcoded to standard UART 5
-*/
-
- .macro addruart, rp, rv, tmp
- ldreq \rp, =0x40090000
- ldrne \rv, =0xF4090000
- .endm
-
-#define UART_SHIFT 2
-#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
deleted file mode 100644
index 1816e22a347..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef __MACH_GPIO_LPC32XX_H
-#define __MACH_GPIO_LPC32XX_H
-
-/*
- * Note!
- * Muxed GP pins need to be setup to the GP state in the board level
- * code prior to using this driver.
- * GPI pins : 28xP3 group
- * GPO pins : 24xP3 group
- * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group
- */
-
-#define LPC32XX_GPIO_P0_MAX 8
-#define LPC32XX_GPIO_P1_MAX 24
-#define LPC32XX_GPIO_P2_MAX 13
-#define LPC32XX_GPIO_P3_MAX 6
-#define LPC32XX_GPI_P3_MAX 28
-#define LPC32XX_GPO_P3_MAX 24
-
-#define LPC32XX_GPIO_P0_GRP 0
-#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX)
-#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX)
-#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX)
-#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX)
-#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)
-
-/*
- * A specific GPIO can be selected with this macro
- * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
- * See the LPC32x0 User's guide for GPIO group numbers
- */
-#define LPC32XX_GPIO(x, y) ((x) + (y))
-
-#endif /* __MACH_GPIO_LPC32XX_H */
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio.h b/arch/arm/mach-lpc32xx/include/mach/gpio.h
deleted file mode 100644
index 2ba6ca412be..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/gpio.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef __MACH_GPIO_H
-#define __MACH_GPIO_H
-
-#include "gpio-lpc32xx.h"
-
-#define ARCH_NR_GPIOS (LPC32XX_GPO_P3_GRP + LPC32XX_GPO_P3_MAX)
-
-#endif /* __MACH_GPIO_H */
diff --git a/arch/arm/mach-lpc32xx/include/mach/hardware.h b/arch/arm/mach-lpc32xx/include/mach/hardware.h
index 33e1dde37bd..69065de97a3 100644
--- a/arch/arm/mach-lpc32xx/include/mach/hardware.h
+++ b/arch/arm/mach-lpc32xx/include/mach/hardware.h
@@ -25,7 +25,7 @@
/*
* This macro relies on fact that for all HW i/o addresses bits 20-23 are 0
*/
-#define IO_ADDRESS(x) (((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
+#define IO_ADDRESS(x) IOMEM(((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
IO_BASE)
#define io_p2v(x) ((void __iomem *) (unsigned long) IO_ADDRESS(x))
diff --git a/arch/arm/mach-lpc32xx/include/mach/platform.h b/arch/arm/mach-lpc32xx/include/mach/platform.h
index c584f5bb164..b5612a1d183 100644
--- a/arch/arm/mach-lpc32xx/include/mach/platform.h
+++ b/arch/arm/mach-lpc32xx/include/mach/platform.h
@@ -515,6 +515,7 @@
/*
* clkpwr_timers_pwms_clk_ctrl_1 register definitions
*/
+#define LPC32XX_CLKPWR_TMRPWMCLK_MPWM_EN 0x40
#define LPC32XX_CLKPWR_TMRPWMCLK_TIMER3_EN 0x20
#define LPC32XX_CLKPWR_TMRPWMCLK_TIMER2_EN 0x10
#define LPC32XX_CLKPWR_TMRPWMCLK_TIMER1_EN 0x08
@@ -694,4 +695,18 @@
#define LPC32XX_GPIO_P2_MUX_CLR _GPREG(0x02C)
#define LPC32XX_GPIO_P2_MUX_STATE _GPREG(0x030)
+/*
+ * USB Otg Registers
+ */
+#define _OTGREG(x) io_p2v(LPC32XX_USB_OTG_BASE + (x))
+#define LPC32XX_USB_OTG_CLK_CTRL _OTGREG(0xFF4)
+#define LPC32XX_USB_OTG_CLK_STAT _OTGREG(0xFF8)
+
+/* USB OTG CLK CTRL bit defines */
+#define LPC32XX_USB_OTG_AHB_M_CLOCK_ON _BIT(4)
+#define LPC32XX_USB_OTG_OTG_CLOCK_ON _BIT(3)
+#define LPC32XX_USB_OTG_I2C_CLOCK_ON _BIT(2)
+#define LPC32XX_USB_OTG_DEV_CLOCK_ON _BIT(1)
+#define LPC32XX_USB_OTG_HOST_CLOCK_ON _BIT(0)
+
#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/timex.h b/arch/arm/mach-lpc32xx/include/mach/timex.h
deleted file mode 100644
index 8d4066b16b3..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/timex.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/timex.h
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARCH_TIMEX_H
-#define __ASM_ARCH_TIMEX_H
-
-/*
- * Rate in Hz of the main system oscillator. This value should match
- * the value 'MAIN_OSC_FREQ' in platform.h
- */
-#define CLOCK_TICK_RATE 13000000
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/uncompress.h b/arch/arm/mach-lpc32xx/include/mach/uncompress.h
index c142487d299..1198a89183c 100644
--- a/arch/arm/mach-lpc32xx/include/mach/uncompress.h
+++ b/arch/arm/mach-lpc32xx/include/mach/uncompress.h
@@ -55,6 +55,5 @@ static inline void flush(void)
/* NULL functions; we don't presently need them */
#define arch_decomp_setup()
-#define arch_decomp_wdog()
#endif
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 5b1cc35e6fb..9ecb8f9c4ef 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -283,21 +283,25 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
case IRQ_TYPE_EDGE_RISING:
/* Rising edge sensitive */
__lpc32xx_set_irq_type(d->hwirq, 1, 1);
+ __irq_set_handler_locked(d->hwirq, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
/* Falling edge sensitive */
__lpc32xx_set_irq_type(d->hwirq, 0, 1);
+ __irq_set_handler_locked(d->hwirq, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
/* Low level sensitive */
__lpc32xx_set_irq_type(d->hwirq, 0, 0);
+ __irq_set_handler_locked(d->hwirq, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
/* High level sensitive */
__lpc32xx_set_irq_type(d->hwirq, 1, 0);
+ __irq_set_handler_locked(d->hwirq, handle_level_irq);
break;
/* Other modes are not supported */
@@ -305,9 +309,6 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
return -EINVAL;
}
- /* Ok to use the level handler for all types */
- irq_set_handler(d->hwirq, handle_level_irq);
-
return 0;
}
@@ -411,7 +412,6 @@ static const struct of_device_id mic_of_match[] __initconst = {
void __init lpc32xx_init_irq(void)
{
unsigned int i;
- int irq_base;
/* Setup MIC */
__raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE));
@@ -442,15 +442,6 @@ void __init lpc32xx_init_irq(void)
lpc32xx_set_default_mappings(SIC1_APR_DEFAULT, SIC1_ATR_DEFAULT, 32);
lpc32xx_set_default_mappings(SIC2_APR_DEFAULT, SIC2_ATR_DEFAULT, 64);
- /* mask all interrupts except SUBIRQ */
- __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE));
- __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE));
- __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE));
-
- /* MIC SUBIRQx interrupts will route handling to the chain handlers */
- irq_set_chained_handler(IRQ_LPC32XX_SUB1IRQ, lpc32xx_sic1_handler);
- irq_set_chained_handler(IRQ_LPC32XX_SUB2IRQ, lpc32xx_sic2_handler);
-
/* Initially disable all wake events */
__raw_writel(0, LPC32XX_CLKPWR_P01_ER);
__raw_writel(0, LPC32XX_CLKPWR_INT_ER);
@@ -474,16 +465,13 @@ void __init lpc32xx_init_irq(void)
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,
+ 0, 0, &irq_domain_simple_ops,
NULL);
if (!lpc32xx_mic_domain)
panic("Unable to add MIC irq domain\n");
+
+ /* MIC SUBIRQx interrupts will route handling to the chain handlers */
+ irq_set_chained_handler(IRQ_LPC32XX_SUB1IRQ, lpc32xx_sic1_handler);
+ irq_set_chained_handler(IRQ_LPC32XX_SUB2IRQ, lpc32xx_sic2_handler);
}
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index 540106cdb9e..7858d5b6f6c 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -24,18 +24,19 @@
#include <linux/irq.h>
#include <linux/dma-mapping.h>
#include <linux/device.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/eeprom.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
-#include <linux/amba/pl022.h>
+#include <linux/amba/pl08x.h>
+#include <linux/amba/mmci.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 <linux/mtd/lpc32xx_slc.h>
+#include <linux/mtd/lpc32xx_mlc.h>
+#include <linux/platform_data/gpio-lpc32xx.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -44,15 +45,14 @@
#include <mach/hardware.h>
#include <mach/platform.h>
#include <mach/board.h>
-#include <mach/gpio-lpc32xx.h>
#include "common.h"
/*
* Mapped GPIOLIB GPIOs
*/
-#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 LCD_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0)
+#define BKL_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4)
+#define MMC_PWR_ENABLE_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 5)
/*
* AMBA LCD controller
@@ -155,85 +155,74 @@ static struct clcd_board lpc32xx_clcd_data = {
.remove = lpc32xx_clcd_remove,
};
-/*
- * AMBA SSP (SPI)
- */
-static void phy3250_spi_cs_set(u32 control)
+static struct pl08x_channel_data pl08x_slave_channels[] = {
+ {
+ .bus_id = "nand-slc",
+ .min_signal = 1, /* SLC NAND Flash */
+ .max_signal = 1,
+ .periph_buses = PL08X_AHB1,
+ },
+ {
+ .bus_id = "nand-mlc",
+ .min_signal = 12, /* MLC NAND Flash */
+ .max_signal = 12,
+ .periph_buses = PL08X_AHB1,
+ },
+};
+
+static int pl08x_get_signal(const struct pl08x_channel_data *cd)
{
- gpio_set_value(SPI0_CS_GPIO, (int) control);
+ return cd->min_signal;
}
-static struct pl022_config_chip spi0_chip_info = {
- .com_mode = INTERRUPT_TRANSFER,
- .iface = SSP_INTERFACE_MOTOROLA_SPI,
- .hierarchy = SSP_MASTER,
- .slave_tx_disable = 0,
- .rx_lev_trig = SSP_RX_4_OR_MORE_ELEM,
- .tx_lev_trig = SSP_TX_4_OR_MORE_EMPTY_LOC,
- .ctrl_len = SSP_BITS_8,
- .wait_state = SSP_MWIRE_WAIT_ZERO,
- .duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX,
- .cs_control = phy3250_spi_cs_set,
-};
-
-static struct pl022_ssp_controller lpc32xx_ssp0_data = {
- .bus_id = 0,
- .num_chipselect = 1,
- .enable_dma = 0,
-};
+static void pl08x_put_signal(const struct pl08x_channel_data *cd, int ch)
+{
+}
-static struct pl022_ssp_controller lpc32xx_ssp1_data = {
- .bus_id = 1,
- .num_chipselect = 1,
- .enable_dma = 0,
+static struct pl08x_platform_data pl08x_pd = {
+ .slave_channels = &pl08x_slave_channels[0],
+ .num_slave_channels = ARRAY_SIZE(pl08x_slave_channels),
+ .get_xfer_signal = pl08x_get_signal,
+ .put_xfer_signal = pl08x_put_signal,
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
};
-/* AT25 driver registration */
-static int __init phy3250_spi_board_register(void)
+static int mmc_handle_ios(struct device *dev, struct mmc_ios *ios)
{
-#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
- static struct spi_board_info info[] = {
- {
- .modalias = "spidev",
- .max_speed_hz = 5000000,
- .bus_num = 0,
- .chip_select = 0,
- .controller_data = &spi0_chip_info,
- },
- };
-
-#else
- static struct spi_eeprom eeprom = {
- .name = "at25256a",
- .byte_len = 0x8000,
- .page_size = 64,
- .flags = EE_ADDR2,
- };
-
- static struct spi_board_info info[] = {
- {
- .modalias = "at25",
- .max_speed_hz = 5000000,
- .bus_num = 0,
- .chip_select = 0,
- .mode = SPI_MODE_0,
- .platform_data = &eeprom,
- .controller_data = &spi0_chip_info,
- },
- };
-#endif
- return spi_register_board_info(info, ARRAY_SIZE(info));
+ /* Only on and off are supported */
+ if (ios->power_mode == MMC_POWER_OFF)
+ gpio_set_value(MMC_PWR_ENABLE_GPIO, 0);
+ else
+ gpio_set_value(MMC_PWR_ENABLE_GPIO, 1);
+ return 0;
}
-arch_initcall(phy3250_spi_board_register);
-static struct pl08x_platform_data pl08x_pd = {
+static struct mmci_platform_data lpc32xx_mmci_data = {
+ .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 |
+ MMC_VDD_32_33 | MMC_VDD_33_34,
+ .ios_handler = mmc_handle_ios,
+};
+
+static struct lpc32xx_slc_platform_data lpc32xx_slc_data = {
+ .dma_filter = pl08x_filter_id,
+};
+
+static struct lpc32xx_mlc_platform_data lpc32xx_mlc_data = {
+ .dma_filter = pl08x_filter_id,
};
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,pl022", 0x20084000, "dev:ssp0", NULL),
+ OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", NULL),
OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data),
OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd),
+ OF_DEV_AUXDATA("arm,pl18x", 0x20098000, "20098000.sd",
+ &lpc32xx_mmci_data),
+ OF_DEV_AUXDATA("nxp,lpc3220-slc", 0x20020000, "20020000.flash",
+ &lpc32xx_slc_data),
+ OF_DEV_AUXDATA("nxp,lpc3220-mlc", 0x200a8000, "200a8000.flash",
+ &lpc32xx_mlc_data),
{ }
};
@@ -241,10 +230,6 @@ static void __init lpc3250_machine_init(void)
{
u32 tmp;
- /* Setup SLC NAND controller muxing */
- __raw_writel(LPC32XX_CLKPWR_NANDCLK_SEL_SLC,
- LPC32XX_CLKPWR_NAND_CLK_CTRL);
-
/* Setup LCD muxing to RGB565 */
tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL) &
~(LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_MSK |
@@ -252,47 +237,8 @@ static void __init lpc3250_machine_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 |
- LPC32XX_CLKPWR_I2CCLK_I2C2HI_DRIVE;
- __raw_writel(tmp, LPC32XX_CLKPWR_I2C_CLK_CTRL);
-
- /* Disable IrDA pulsing support on UART6 */
- tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
- tmp |= LPC32XX_UART_UART6_IRDAMOD_BYPASS;
- __raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
-
- /* Enable DMA for I2S1 channel */
- tmp = __raw_readl(LPC32XX_CLKPWR_I2S_CLK_CTRL);
- tmp = LPC32XX_CLKPWR_I2SCTRL_I2S1_USE_DMA;
- __raw_writel(tmp, LPC32XX_CLKPWR_I2S_CLK_CTRL);
-
lpc32xx_serial_init();
- /*
- * AMBA peripheral clocks need to be enabled prior to AMBA device
- * detection or a data fault will occur, so enable the clocks
- * here.
- */
- tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL);
- __raw_writel((tmp | LPC32XX_CLKPWR_LCDCTRL_CLK_EN),
- LPC32XX_CLKPWR_LCDCLK_CTRL);
-
- tmp = __raw_readl(LPC32XX_CLKPWR_SSP_CLK_CTRL);
- __raw_writel((tmp | LPC32XX_CLKPWR_SSPCTRL_SSPCLK0_EN),
- LPC32XX_CLKPWR_SSP_CLK_CTRL);
-
- 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,
@@ -300,14 +246,6 @@ static void __init lpc3250_machine_init(void)
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 char const *lpc32xx_dt_compat[] __initdata = {
@@ -322,7 +260,7 @@ 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_time = lpc32xx_timer_init,
.init_machine = lpc3250_machine_init,
.dt_compat = lpc32xx_dt_compat,
.restart = lpc23xx_restart,
diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index f2735281616..05621a29fba 100644
--- a/arch/arm/mach-lpc32xx/serial.c
+++ b/arch/arm/mach-lpc32xx/serial.c
@@ -31,59 +31,6 @@
#define LPC32XX_SUART_FIFO_SIZE 64
-/* Standard 8250/16550 compatible serial ports */
-static struct plat_serial8250_port serial_std_platform_data[] = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
- {
- .membase = io_p2v(LPC32XX_UART5_BASE),
- .mapbase = LPC32XX_UART5_BASE,
- .irq = IRQ_LPC32XX_UART_IIR5,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
- {
- .membase = io_p2v(LPC32XX_UART3_BASE),
- .mapbase = LPC32XX_UART3_BASE,
- .irq = IRQ_LPC32XX_UART_IIR3,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
- {
- .membase = io_p2v(LPC32XX_UART4_BASE),
- .mapbase = LPC32XX_UART4_BASE,
- .irq = IRQ_LPC32XX_UART_IIR4,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
- {
- .membase = io_p2v(LPC32XX_UART6_BASE),
- .mapbase = LPC32XX_UART6_BASE,
- .irq = IRQ_LPC32XX_UART_IIR6,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
- { },
-};
-
struct uartinit {
char *uart_ck_name;
u32 ck_mode_mask;
@@ -92,7 +39,6 @@ struct uartinit {
};
static struct uartinit uartinit_data[] __initdata = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
{
.uart_ck_name = "uart5_ck",
.ck_mode_mask =
@@ -100,8 +46,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
.mapbase = LPC32XX_UART5_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
{
.uart_ck_name = "uart3_ck",
.ck_mode_mask =
@@ -109,8 +53,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
.mapbase = LPC32XX_UART3_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
{
.uart_ck_name = "uart4_ck",
.ck_mode_mask =
@@ -118,8 +60,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
.mapbase = LPC32XX_UART4_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
{
.uart_ck_name = "uart6_ck",
.ck_mode_mask =
@@ -127,19 +67,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
.mapbase = LPC32XX_UART6_BASE,
},
-#endif
-};
-
-static struct platform_device serial_std_platform_device = {
- .name = "serial8250",
- .id = 0,
- .dev = {
- .platform_data = serial_std_platform_data,
- },
-};
-
-static struct platform_device *lpc32xx_serial_devs[] __initdata = {
- &serial_std_platform_device,
};
void __init lpc32xx_serial_init(void)
@@ -156,15 +83,8 @@ void __init lpc32xx_serial_init(void)
clk = clk_get(NULL, uartinit_data[i].uart_ck_name);
if (!IS_ERR(clk)) {
clk_enable(clk);
- serial_std_platform_data[i].uartclk =
- clk_get_rate(clk);
}
- /* Fall back on main osc rate if clock rate return fails */
- if (serial_std_platform_data[i].uartclk == 0)
- serial_std_platform_data[i].uartclk =
- LPC32XX_MAIN_OSC_FREQ;
-
/* Setup UART clock modes for all UARTs, disable autoclock */
clkmodes |= uartinit_data[i].ck_mode_mask;
@@ -189,7 +109,7 @@ void __init lpc32xx_serial_init(void)
__raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
/* Force a flush of the RX FIFOs to work around a HW bug */
- puart = serial_std_platform_data[i].mapbase;
+ puart = uartinit_data[i].mapbase;
__raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
__raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
j = LPC32XX_SUART_FIFO_SIZE;
@@ -198,11 +118,13 @@ void __init lpc32xx_serial_init(void)
__raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
}
+ /* Disable IrDA pulsing support on UART6 */
+ tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
+ tmp |= LPC32XX_UART_UART6_IRDAMOD_BYPASS;
+ __raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
+
/* Disable UART5->USB transparent mode or USB won't work */
tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
tmp &= ~LPC32XX_UART_U5_ROUTE_TO_USB;
__raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
-
- platform_add_devices(lpc32xx_serial_devs,
- ARRAY_SIZE(lpc32xx_serial_devs));
}
diff --git a/arch/arm/mach-lpc32xx/timer.c b/arch/arm/mach-lpc32xx/timer.c
index c40667c3316..4e5837299c0 100644
--- a/arch/arm/mach-lpc32xx/timer.c
+++ b/arch/arm/mach-lpc32xx/timer.c
@@ -70,7 +70,6 @@ static void lpc32xx_clkevt_mode(enum clock_event_mode mode,
static struct clock_event_device lpc32xx_clkevt = {
.name = "lpc32xx_clkevt",
.features = CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
.rating = 300,
.set_next_event = lpc32xx_clkevt_next_event,
.set_mode = lpc32xx_clkevt_mode,
@@ -91,7 +90,7 @@ static irqreturn_t lpc32xx_timer_interrupt(int irq, void *dev_id)
static struct irqaction lpc32xx_timer_irq = {
.name = "LPC32XX Timer Tick",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = lpc32xx_timer_interrupt,
};
@@ -100,7 +99,7 @@ static struct irqaction lpc32xx_timer_irq = {
* clocks need to be enabled here manually and then tagged as used in
* the clock driver initialization
*/
-static void __init lpc32xx_timer_init(void)
+void __init lpc32xx_timer_init(void)
{
u32 clkrate, pllreg;
@@ -141,14 +140,8 @@ static void __init lpc32xx_timer_init(void)
setup_irq(IRQ_LPC32XX_TIMER0, &lpc32xx_timer_irq);
/* Setup the clockevent structure. */
- lpc32xx_clkevt.mult = div_sc(clkrate, NSEC_PER_SEC,
- lpc32xx_clkevt.shift);
- lpc32xx_clkevt.max_delta_ns = clockevent_delta2ns(-1,
- &lpc32xx_clkevt);
- lpc32xx_clkevt.min_delta_ns = clockevent_delta2ns(1,
- &lpc32xx_clkevt) + 1;
lpc32xx_clkevt.cpumask = cpumask_of(0);
- clockevents_register_device(&lpc32xx_clkevt);
+ clockevents_config_and_register(&lpc32xx_clkevt, clkrate, 1, -1);
/* Use timer1 as clock source. */
__raw_writel(LPC32XX_TIMER_CNTR_TCR_RESET,
@@ -161,8 +154,3 @@ static void __init lpc32xx_timer_init(void)
clocksource_mmio_init(LPC32XX_TIMER_TC(LPC32XX_TIMER1_BASE),
"lpc32xx_clksrc", clkrate, 300, 32, clocksource_mmio_readl_up);
}
-
-struct sys_timer lpc32xx_timer = {
- .init = &lpc32xx_timer_init,
-};
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 15:27:26 +0000