aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-lpc32xx
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-03-15 09:49:36 -0400
committerArnd Bergmann <arnd@arndb.de>2012-03-15 09:49:42 -0400
commit695d82fae9160406acb9de204c471248abcc2a9f (patch)
tree1a3b3f48e3e0d1783fc75fa50dc77b41a1a88b88 /arch/arm/mach-lpc32xx
parent74c46469a5f70a29ac961cfaa90a0422f1d09230 (diff)
parent1dde9f75b658edcd4fb7e00259206d727702ce61 (diff)
Merge tag 'imx25-iomux-ds' of git://git.pengutronix.de/git/imx/linux-2.6 into next/fixes-non-critical
* tag 'imx25-iomux-ds' of git://git.pengutronix.de/git/imx/linux-2.6: iomux-mx25.h slew rate adjusted for LCD __LD pins (update to v3.3-rc6) Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-lpc32xx')
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/irqs.h2
-rw-r--r--arch/arm/mach-lpc32xx/irq.c25
-rw-r--r--arch/arm/mach-lpc32xx/serial.c20
3 files changed, 40 insertions, 7 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 @@
61 */ 61 */
62#define IRQ_LPC32XX_JTAG_COMM_TX LPC32XX_SIC1_IRQ(1) 62#define IRQ_LPC32XX_JTAG_COMM_TX LPC32XX_SIC1_IRQ(1)
63#define IRQ_LPC32XX_JTAG_COMM_RX LPC32XX_SIC1_IRQ(2) 63#define IRQ_LPC32XX_JTAG_COMM_RX LPC32XX_SIC1_IRQ(2)
64#define IRQ_LPC32XX_GPI_11 LPC32XX_SIC1_IRQ(4) 64#define IRQ_LPC32XX_GPI_28 LPC32XX_SIC1_IRQ(4)
65#define IRQ_LPC32XX_TS_P LPC32XX_SIC1_IRQ(6) 65#define IRQ_LPC32XX_TS_P LPC32XX_SIC1_IRQ(6)
66#define IRQ_LPC32XX_TS_IRQ LPC32XX_SIC1_IRQ(7) 66#define IRQ_LPC32XX_TS_IRQ LPC32XX_SIC1_IRQ(7)
67#define IRQ_LPC32XX_TS_AUX LPC32XX_SIC1_IRQ(8) 67#define IRQ_LPC32XX_TS_AUX LPC32XX_SIC1_IRQ(8)
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 4eae566dfdc..c74de01ab5b 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] = {
118 .event_group = &lpc32xx_event_pin_regs, 118 .event_group = &lpc32xx_event_pin_regs,
119 .mask = LPC32XX_CLKPWR_EXTSRC_GPI_06_BIT, 119 .mask = LPC32XX_CLKPWR_EXTSRC_GPI_06_BIT,
120 }, 120 },
121 [IRQ_LPC32XX_GPI_28] = {
122 .event_group = &lpc32xx_event_pin_regs,
123 .mask = LPC32XX_CLKPWR_EXTSRC_GPI_28_BIT,
124 },
121 [IRQ_LPC32XX_GPIO_00] = { 125 [IRQ_LPC32XX_GPIO_00] = {
122 .event_group = &lpc32xx_event_int_regs, 126 .event_group = &lpc32xx_event_int_regs,
123 .mask = LPC32XX_CLKPWR_INTSRC_GPIO_00_BIT, 127 .mask = LPC32XX_CLKPWR_INTSRC_GPIO_00_BIT,
@@ -305,9 +309,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state)
305 309
306 if (state) 310 if (state)
307 eventreg |= lpc32xx_events[d->irq].mask; 311 eventreg |= lpc32xx_events[d->irq].mask;
308 else 312 else {
309 eventreg &= ~lpc32xx_events[d->irq].mask; 313 eventreg &= ~lpc32xx_events[d->irq].mask;
310 314
315 /*
316 * When disabling the wakeup, clear the latched
317 * event
318 */
319 __raw_writel(lpc32xx_events[d->irq].mask,
320 lpc32xx_events[d->irq].
321 event_group->rawstat_reg);
322 }
323
311 __raw_writel(eventreg, 324 __raw_writel(eventreg,
312 lpc32xx_events[d->irq].event_group->enab_reg); 325 lpc32xx_events[d->irq].event_group->enab_reg);
313 326
@@ -380,13 +393,15 @@ void __init lpc32xx_init_irq(void)
380 393
381 /* Setup SIC1 */ 394 /* Setup SIC1 */
382 __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE)); 395 __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE));
383 __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE)); 396 __raw_writel(SIC1_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC1_BASE));
384 __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE)); 397 __raw_writel(SIC1_ATR_DEFAULT,
398 LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC1_BASE));
385 399
386 /* Setup SIC2 */ 400 /* Setup SIC2 */
387 __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE)); 401 __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE));
388 __raw_writel(MIC_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE)); 402 __raw_writel(SIC2_APR_DEFAULT, LPC32XX_INTC_POLAR(LPC32XX_SIC2_BASE));
389 __raw_writel(MIC_ATR_DEFAULT, LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE)); 403 __raw_writel(SIC2_ATR_DEFAULT,
404 LPC32XX_INTC_ACT_TYPE(LPC32XX_SIC2_BASE));
390 405
391 /* Configure supported IRQ's */ 406 /* Configure supported IRQ's */
392 for (i = 0; i < NR_IRQS; i++) { 407 for (i = 0; i < NR_IRQS; i++) {
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 {
88 char *uart_ck_name; 88 char *uart_ck_name;
89 u32 ck_mode_mask; 89 u32 ck_mode_mask;
90 void __iomem *pdiv_clk_reg; 90 void __iomem *pdiv_clk_reg;
91 resource_size_t mapbase;
91}; 92};
92 93
93static struct uartinit uartinit_data[] __initdata = { 94static struct uartinit uartinit_data[] __initdata = {
@@ -97,6 +98,7 @@ static struct uartinit uartinit_data[] __initdata = {
97 .ck_mode_mask = 98 .ck_mode_mask =
98 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5), 99 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5),
99 .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL, 100 .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
101 .mapbase = LPC32XX_UART5_BASE,
100 }, 102 },
101#endif 103#endif
102#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT 104#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
@@ -105,6 +107,7 @@ static struct uartinit uartinit_data[] __initdata = {
105 .ck_mode_mask = 107 .ck_mode_mask =
106 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3), 108 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3),
107 .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL, 109 .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
110 .mapbase = LPC32XX_UART3_BASE,
108 }, 111 },
109#endif 112#endif
110#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT 113#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
@@ -113,6 +116,7 @@ static struct uartinit uartinit_data[] __initdata = {
113 .ck_mode_mask = 116 .ck_mode_mask =
114 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4), 117 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4),
115 .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL, 118 .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
119 .mapbase = LPC32XX_UART4_BASE,
116 }, 120 },
117#endif 121#endif
118#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT 122#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
@@ -121,6 +125,7 @@ static struct uartinit uartinit_data[] __initdata = {
121 .ck_mode_mask = 125 .ck_mode_mask =
122 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6), 126 LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6),
123 .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL, 127 .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
128 .mapbase = LPC32XX_UART6_BASE,
124 }, 129 },
125#endif 130#endif
126}; 131};
@@ -165,11 +170,24 @@ void __init lpc32xx_serial_init(void)
165 170
166 /* pre-UART clock divider set to 1 */ 171 /* pre-UART clock divider set to 1 */
167 __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg); 172 __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg);
173
174 /*
175 * Force a flush of the RX FIFOs to work around a
176 * HW bug
177 */
178 puart = uartinit_data[i].mapbase;
179 __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
180 __raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
181 j = LPC32XX_SUART_FIFO_SIZE;
182 while (j--)
183 tmp = __raw_readl(
184 LPC32XX_UART_DLL_FIFO(puart));
185 __raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
168 } 186 }
169 187
170 /* This needs to be done after all UART clocks are setup */ 188 /* This needs to be done after all UART clocks are setup */
171 __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE); 189 __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
172 for (i = 0; i < ARRAY_SIZE(uartinit_data) - 1; i++) { 190 for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
173 /* Force a flush of the RX FIFOs to work around a HW bug */ 191 /* Force a flush of the RX FIFOs to work around a HW bug */
174 puart = serial_std_platform_data[i].mapbase; 192 puart = serial_std_platform_data[i].mapbase;
175 __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart)); 193 __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));