diff options
Diffstat (limited to 'arch/arm/mach-lpc32xx')
-rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/irqs.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/system.h | 27 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/irq.c | 25 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/phy3250.c | 32 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/serial.c | 20 |
5 files changed, 44 insertions, 62 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/irqs.h b/arch/arm/mach-lpc32xx/include/mach/irqs.h index 2667f52e3b0..9e3b90df32e 100644 --- a/arch/arm/mach-lpc32xx/include/mach/irqs.h +++ b/arch/arm/mach-lpc32xx/include/mach/irqs.h @@ -61,7 +61,7 @@ */ #define IRQ_LPC32XX_JTAG_COMM_TX LPC32XX_SIC1_IRQ(1) #define IRQ_LPC32XX_JTAG_COMM_RX LPC32XX_SIC1_IRQ(2) -#define IRQ_LPC32XX_GPI_11 LPC32XX_SIC1_IRQ(4) +#define IRQ_LPC32XX_GPI_28 LPC32XX_SIC1_IRQ(4) #define IRQ_LPC32XX_TS_P LPC32XX_SIC1_IRQ(6) #define IRQ_LPC32XX_TS_IRQ LPC32XX_SIC1_IRQ(7) #define IRQ_LPC32XX_TS_AUX LPC32XX_SIC1_IRQ(8) diff --git a/arch/arm/mach-lpc32xx/include/mach/system.h b/arch/arm/mach-lpc32xx/include/mach/system.h deleted file mode 100644 index bf176c99152..00000000000 --- a/arch/arm/mach-lpc32xx/include/mach/system.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * arch/arm/mach-lpc32xx/include/mach/system.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_SYSTEM_H -#define __ASM_ARCH_SYSTEM_H - -static void arch_idle(void) -{ - cpu_do_idle(); -} - -#endif diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c index f4564cb68df..d080cb1123d 100644 --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -118,6 +118,10 @@ static const struct lpc32xx_event_info lpc32xx_events[NR_IRQS] = { .event_group = &lpc32xx_event_pin_regs, .mask = LPC32XX_CLKPWR_EXTSRC_GPI_06_BIT, }, + [IRQ_LPC32XX_GPI_28] = { + .event_group = &lpc32xx_event_pin_regs, + .mask = LPC32XX_CLKPWR_EXTSRC_GPI_28_BIT, + }, [IRQ_LPC32XX_GPIO_00] = { .event_group = &lpc32xx_event_int_regs, .mask = LPC32XX_CLKPWR_INTSRC_GPIO_00_BIT, @@ -309,9 +313,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state) if (state) eventreg |= lpc32xx_events[d->irq].mask; - else + else { eventreg &= ~lpc32xx_events[d->irq].mask; + /* + * When disabling the wakeup, clear the latched + * event + */ + __raw_writel(lpc32xx_events[d->irq].mask, + lpc32xx_events[d->irq]. + event_group->rawstat_reg); + } + __raw_writel(eventreg, lpc32xx_events[d->irq].event_group->enab_reg); @@ -384,13 +397,15 @@ void __init lpc32xx_init_irq(void) /* Setup SIC1 */ __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE)); - __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE)); - __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE)); + __raw_writel(SIC1_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE)); + __raw_writel(SIC1_ATR_DEFAULT, + LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE)); /* Setup SIC2 */ __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE)); - __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE)); - __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE)); + __raw_writel(SIC2_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE)); + __raw_writel(SIC2_ATR_DEFAULT, + LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE)); /* Configure supported IRQ's */ for (i = 0; i < NR_IRQS; i++) { diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c index 562ec96b893..7f7401ec748 100644 --- a/arch/arm/mach-lpc32xx/phy3250.c +++ b/arch/arm/mach-lpc32xx/phy3250.c @@ -150,20 +150,8 @@ static struct clcd_board lpc32xx_clcd_data = { .remove = lpc32xx_clcd_remove, }; -static struct amba_device lpc32xx_clcd_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "dev:clcd", - .platform_data = &lpc32xx_clcd_data, - }, - .res = { - .start = LPC32XX_LCD_BASE, - .end = (LPC32XX_LCD_BASE + SZ_4K - 1), - .flags = IORESOURCE_MEM, - }, - .dma_mask = ~0, - .irq = {IRQ_LPC32XX_LCD, NO_IRQ}, -}; +static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0, + LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data); /* * AMBA SSP (SPI) @@ -192,20 +180,8 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = { .enable_dma = 0, }; -static struct amba_device lpc32xx_ssp0_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "dev:ssp0", - .platform_data = &lpc32xx_ssp0_data, - }, - .res = { - .start = LPC32XX_SSP0_BASE, - .end = (LPC32XX_SSP0_BASE + SZ_4K - 1), - .flags = IORESOURCE_MEM, - }, - .dma_mask = ~0, - .irq = {IRQ_LPC32XX_SSP0, NO_IRQ}, -}; +static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0, + LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data); /* AT25 driver registration */ static int __init phy3250_spi_board_register(void) diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c index 429cfdbb2b3..f2735281616 100644 --- a/arch/arm/mach-lpc32xx/serial.c +++ b/arch/arm/mach-lpc32xx/serial.c @@ -88,6 +88,7 @@ struct uartinit { char *uart_ck_name; u32 ck_mode_mask; void __iomem *pdiv_clk_reg; + resource_size_t mapbase; }; static struct uartinit uartinit_data[] __initdata = { @@ -97,6 +98,7 @@ static struct uartinit uartinit_data[] __initdata = { .ck_mode_mask = LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5), .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL, + .mapbase = LPC32XX_UART5_BASE, }, #endif #ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT @@ -105,6 +107,7 @@ static struct uartinit uartinit_data[] __initdata = { .ck_mode_mask = LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3), .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL, + .mapbase = LPC32XX_UART3_BASE, }, #endif #ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT @@ -113,6 +116,7 @@ static struct uartinit uartinit_data[] __initdata = { .ck_mode_mask = LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4), .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL, + .mapbase = LPC32XX_UART4_BASE, }, #endif #ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT @@ -121,6 +125,7 @@ static struct uartinit uartinit_data[] __initdata = { .ck_mode_mask = LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6), .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL, + .mapbase = LPC32XX_UART6_BASE, }, #endif }; @@ -165,11 +170,24 @@ void __init lpc32xx_serial_init(void) /* pre-UART clock divider set to 1 */ __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg); + + /* + * Force a flush of the RX FIFOs to work around a + * HW bug + */ + 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; + while (j--) + tmp = __raw_readl( + LPC32XX_UART_DLL_FIFO(puart)); + __raw_writel(0, LPC32XX_UART_IIR_FCR(puart)); } /* This needs to be done after all UART clocks are setup */ __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE); - for (i = 0; i < ARRAY_SIZE(uartinit_data) - 1; i++) { + 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; __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart)); |