diff options
Diffstat (limited to 'arch/arm/mach-davinci/irq.c')
-rw-r--r-- | arch/arm/mach-davinci/irq.c | 83 |
1 files changed, 78 insertions, 5 deletions
diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index e76835cf1018..cf08ef2945eb 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c | |||
@@ -25,6 +25,7 @@ | |||
25 | #include <linux/io.h> | 25 | #include <linux/io.h> |
26 | 26 | ||
27 | #include <mach/hardware.h> | 27 | #include <mach/hardware.h> |
28 | #include <mach/cputype.h> | ||
28 | #include <asm/mach/irq.h> | 29 | #include <asm/mach/irq.h> |
29 | 30 | ||
30 | #define IRQ_BIT(irq) ((irq) & 0x1f) | 31 | #define IRQ_BIT(irq) ((irq) & 0x1f) |
@@ -40,6 +41,8 @@ | |||
40 | #define IRQ_INTPRI0_REG_OFFSET 0x0030 | 41 | #define IRQ_INTPRI0_REG_OFFSET 0x0030 |
41 | #define IRQ_INTPRI7_REG_OFFSET 0x004C | 42 | #define IRQ_INTPRI7_REG_OFFSET 0x004C |
42 | 43 | ||
44 | const u8 *davinci_def_priorities; | ||
45 | |||
43 | #define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE) | 46 | #define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE) |
44 | 47 | ||
45 | static inline unsigned int davinci_irq_readl(int offset) | 48 | static inline unsigned int davinci_irq_readl(int offset) |
@@ -110,9 +113,8 @@ static struct irq_chip davinci_irq_chip_0 = { | |||
110 | .unmask = davinci_unmask_irq, | 113 | .unmask = davinci_unmask_irq, |
111 | }; | 114 | }; |
112 | 115 | ||
113 | |||
114 | /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ | 116 | /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ |
115 | static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { | 117 | static const u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { |
116 | [IRQ_VDINT0] = 2, | 118 | [IRQ_VDINT0] = 2, |
117 | [IRQ_VDINT1] = 6, | 119 | [IRQ_VDINT1] = 6, |
118 | [IRQ_VDINT2] = 6, | 120 | [IRQ_VDINT2] = 6, |
@@ -179,11 +181,82 @@ static const u8 default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = { | |||
179 | [IRQ_EMUINT] = 7, | 181 | [IRQ_EMUINT] = 7, |
180 | }; | 182 | }; |
181 | 183 | ||
184 | static const u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = { | ||
185 | [IRQ_DM646X_VP_VERTINT0] = 7, | ||
186 | [IRQ_DM646X_VP_VERTINT1] = 7, | ||
187 | [IRQ_DM646X_VP_VERTINT2] = 7, | ||
188 | [IRQ_DM646X_VP_VERTINT3] = 7, | ||
189 | [IRQ_DM646X_VP_ERRINT] = 7, | ||
190 | [IRQ_DM646X_RESERVED_1] = 7, | ||
191 | [IRQ_DM646X_RESERVED_2] = 7, | ||
192 | [IRQ_DM646X_WDINT] = 7, | ||
193 | [IRQ_DM646X_CRGENINT0] = 7, | ||
194 | [IRQ_DM646X_CRGENINT1] = 7, | ||
195 | [IRQ_DM646X_TSIFINT0] = 7, | ||
196 | [IRQ_DM646X_TSIFINT1] = 7, | ||
197 | [IRQ_DM646X_VDCEINT] = 7, | ||
198 | [IRQ_DM646X_USBINT] = 7, | ||
199 | [IRQ_DM646X_USBDMAINT] = 7, | ||
200 | [IRQ_DM646X_PCIINT] = 7, | ||
201 | [IRQ_CCINT0] = 7, /* dma */ | ||
202 | [IRQ_CCERRINT] = 7, /* dma */ | ||
203 | [IRQ_TCERRINT0] = 7, /* dma */ | ||
204 | [IRQ_TCERRINT] = 7, /* dma */ | ||
205 | [IRQ_DM646X_TCERRINT2] = 7, | ||
206 | [IRQ_DM646X_TCERRINT3] = 7, | ||
207 | [IRQ_DM646X_IDE] = 7, | ||
208 | [IRQ_DM646X_HPIINT] = 7, | ||
209 | [IRQ_DM646X_EMACRXTHINT] = 7, | ||
210 | [IRQ_DM646X_EMACRXINT] = 7, | ||
211 | [IRQ_DM646X_EMACTXINT] = 7, | ||
212 | [IRQ_DM646X_EMACMISCINT] = 7, | ||
213 | [IRQ_DM646X_MCASP0TXINT] = 7, | ||
214 | [IRQ_DM646X_MCASP0RXINT] = 7, | ||
215 | [IRQ_AEMIFINT] = 7, | ||
216 | [IRQ_DM646X_RESERVED_3] = 7, | ||
217 | [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */ | ||
218 | [IRQ_TINT0_TINT34] = 7, /* clocksource */ | ||
219 | [IRQ_TINT1_TINT12] = 7, /* DSP timer */ | ||
220 | [IRQ_TINT1_TINT34] = 7, /* system tick */ | ||
221 | [IRQ_PWMINT0] = 7, | ||
222 | [IRQ_PWMINT1] = 7, | ||
223 | [IRQ_DM646X_VLQINT] = 7, | ||
224 | [IRQ_I2C] = 7, | ||
225 | [IRQ_UARTINT0] = 7, | ||
226 | [IRQ_UARTINT1] = 7, | ||
227 | [IRQ_DM646X_UARTINT2] = 7, | ||
228 | [IRQ_DM646X_SPINT0] = 7, | ||
229 | [IRQ_DM646X_SPINT1] = 7, | ||
230 | [IRQ_DM646X_DSP2ARMINT] = 7, | ||
231 | [IRQ_DM646X_RESERVED_4] = 7, | ||
232 | [IRQ_DM646X_PSCINT] = 7, | ||
233 | [IRQ_DM646X_GPIO0] = 7, | ||
234 | [IRQ_DM646X_GPIO1] = 7, | ||
235 | [IRQ_DM646X_GPIO2] = 7, | ||
236 | [IRQ_DM646X_GPIO3] = 7, | ||
237 | [IRQ_DM646X_GPIO4] = 7, | ||
238 | [IRQ_DM646X_GPIO5] = 7, | ||
239 | [IRQ_DM646X_GPIO6] = 7, | ||
240 | [IRQ_DM646X_GPIO7] = 7, | ||
241 | [IRQ_DM646X_GPIOBNK0] = 7, | ||
242 | [IRQ_DM646X_GPIOBNK1] = 7, | ||
243 | [IRQ_DM646X_GPIOBNK2] = 7, | ||
244 | [IRQ_DM646X_DDRINT] = 7, | ||
245 | [IRQ_DM646X_AEMIFINT] = 7, | ||
246 | [IRQ_COMMTX] = 7, | ||
247 | [IRQ_COMMRX] = 7, | ||
248 | [IRQ_EMUINT] = 7, | ||
249 | }; | ||
250 | |||
182 | /* ARM Interrupt Controller Initialization */ | 251 | /* ARM Interrupt Controller Initialization */ |
183 | void __init davinci_irq_init(void) | 252 | void __init davinci_irq_init(void) |
184 | { | 253 | { |
185 | unsigned i; | 254 | unsigned i; |
186 | const u8 *priority = default_priorities; | 255 | |
256 | if (cpu_is_davinci_dm644x()) | ||
257 | davinci_def_priorities = dm644x_default_priorities; | ||
258 | else if (cpu_is_davinci_dm646x()) | ||
259 | davinci_def_priorities = dm646x_default_priorities; | ||
187 | 260 | ||
188 | /* Clear all interrupt requests */ | 261 | /* Clear all interrupt requests */ |
189 | davinci_irq_writel(~0x0, FIQ_REG0_OFFSET); | 262 | davinci_irq_writel(~0x0, FIQ_REG0_OFFSET); |
@@ -211,8 +284,8 @@ void __init davinci_irq_init(void) | |||
211 | unsigned j; | 284 | unsigned j; |
212 | u32 pri; | 285 | u32 pri; |
213 | 286 | ||
214 | for (j = 0, pri = 0; j < 32; j += 4, priority++) | 287 | for (j = 0, pri = 0; j < 32; j += 4, davinci_def_priorities++) |
215 | pri |= (*priority & 0x07) << j; | 288 | pri |= (*davinci_def_priorities & 0x07) << j; |
216 | davinci_irq_writel(pri, i); | 289 | davinci_irq_writel(pri, i); |
217 | } | 290 | } |
218 | 291 | ||