diff options
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8272ads.dts | 47 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8560ads.dts | 10 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm2_pic.c | 150 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm2_pic.h | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/mpc8260.h | 24 |
5 files changed, 145 insertions, 88 deletions
diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts index 34efdd0..286638e 100644 --- a/arch/powerpc/boot/dts/mpc8272ads.dts +++ b/arch/powerpc/boot/dts/mpc8272ads.dts @@ -53,6 +53,13 @@ reg = <00000000 4000000 f4500000 00000020>; }; + chosen { + name = "chosen"; + linux,platform = <0>; + interrupt-controller = <10c00>; + linux,phandle = <400>; + }; + soc8272@f0000000 { #address-cells = <1>; #size-cells = <1>; @@ -71,7 +78,7 @@ ethernet-phy@0 { linux,phandle = <2452000>; interrupt-parent = <10c00>; - interrupts = <19 1>; + interrupts = <17 4>; reg = <0>; bitbang = [ 12 12 13 02 02 01 ]; device_type = "ethernet-phy"; @@ -79,7 +86,7 @@ ethernet-phy@1 { linux,phandle = <2452001>; interrupt-parent = <10c00>; - interrupts = <19 1>; + interrupts = <17 4>; bitbang = [ 12 12 13 02 02 01 ]; reg = <3>; device_type = "ethernet-phy"; @@ -90,7 +97,7 @@ #address-cells = <1>; #size-cells = <0>; device_type = "network"; - device-id = <2>; + device-id = <1>; compatible = "fs_enet"; model = "FCC"; reg = <11300 20 8400 100 11380 30>; @@ -104,7 +111,7 @@ ethernet@25000 { device_type = "network"; - device-id = <3>; + device-id = <2>; compatible = "fs_enet"; model = "FCC"; reg = <11320 20 8500 100 113b0 30>; @@ -133,7 +140,7 @@ device_type = "serial"; compatible = "cpm_uart"; model = "SCC"; - device-id = <2>; + device-id = <1>; reg = <11a00 20 8000 100>; current-speed = <1c200>; interrupts = <28 2>; @@ -147,7 +154,7 @@ device_type = "serial"; compatible = "cpm_uart"; model = "SCC"; - device-id = <5>; + device-id = <4>; reg = <11a60 20 8300 100>; current-speed = <1c200>; interrupts = <2b 2>; @@ -181,24 +188,24 @@ interrupt-map = < /* IDSEL 0x16 */ - b000 0 0 1 f8200000 40 0 - b000 0 0 2 f8200000 41 0 - b000 0 0 3 f8200000 42 0 - b000 0 0 4 f8200000 43 0 + b000 0 0 1 f8200000 40 8 + b000 0 0 2 f8200000 41 8 + b000 0 0 3 f8200000 42 8 + b000 0 0 4 f8200000 43 8 /* IDSEL 0x17 */ - b800 0 0 1 f8200000 43 0 - b800 0 0 2 f8200000 40 0 - b800 0 0 3 f8200000 41 0 - b800 0 0 4 f8200000 42 0 + b800 0 0 1 f8200000 43 8 + b800 0 0 2 f8200000 40 8 + b800 0 0 3 f8200000 41 8 + b800 0 0 4 f8200000 42 8 /* IDSEL 0x18 */ - c000 0 0 1 f8200000 42 0 - c000 0 0 2 f8200000 43 0 - c000 0 0 3 f8200000 40 0 - c000 0 0 4 f8200000 41 0>; + c000 0 0 1 f8200000 42 8 + c000 0 0 2 f8200000 43 8 + c000 0 0 3 f8200000 40 8 + c000 0 0 4 f8200000 41 8>; interrupt-parent = <10c00>; - interrupts = <14 3>; + interrupts = <14 8>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 40000000 01000000 0 00000000 f6000000 0 02000000>; @@ -210,7 +217,7 @@ model = "SEC2"; compatible = "talitos"; reg = <30000 10000>; - interrupts = <b 0>; + interrupts = <b 2>; interrupt-parent = <10c00>; num-channels = <4>; channel-fifo-len = <18>; diff --git a/arch/powerpc/boot/dts/mpc8560ads.dts b/arch/powerpc/boot/dts/mpc8560ads.dts index 2b16848..119bd5d 100644 --- a/arch/powerpc/boot/dts/mpc8560ads.dts +++ b/arch/powerpc/boot/dts/mpc8560ads.dts @@ -200,7 +200,7 @@ a800 0 0 4 40000 31 1>; interrupt-parent = <40000>; - interrupts = <42 0>; + interrupts = <8 0>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 01000000>; @@ -250,7 +250,7 @@ rx-clock = <1>; tx-clock = <1>; current-speed = <1c200>; - interrupts = <64 1>; + interrupts = <28 8>; interrupt-parent = <90c00>; }; @@ -264,7 +264,7 @@ rx-clock = <2>; tx-clock = <2>; current-speed = <1c200>; - interrupts = <65 1>; + interrupts = <29 8>; interrupt-parent = <90c00>; }; @@ -278,7 +278,7 @@ clock-setup = <ff00ffff 250000>; rx-clock = <15>; tx-clock = <16>; - interrupts = <5d 1>; + interrupts = <21 8>; interrupt-parent = <90c00>; phy-handle = <2452002>; }; @@ -293,7 +293,7 @@ clock-setup = <ffff00ff 3700>; rx-clock = <17>; tx-clock = <18>; - interrupts = <5e 1>; + interrupts = <22 8>; interrupt-parent = <90c00>; phy-handle = <2452003>; }; diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index e2739eb..eabfe06 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -36,9 +36,20 @@ #include <asm/mpc8260.h> #include <asm/io.h> #include <asm/prom.h> +#include <asm/fs_pd.h> #include "cpm2_pic.h" +/* External IRQS */ +#define CPM2_IRQ_EXT1 19 +#define CPM2_IRQ_EXT7 25 + +/* Port C IRQS */ +#define CPM2_IRQ_PORTC15 48 +#define CPM2_IRQ_PORTC0 63 + +static intctl_cpm2_t *cpm2_intctl; + static struct device_node *cpm2_pic_node; static struct irq_host *cpm2_pic_host; #define NR_MASK_WORDS ((NR_IRQS + 31) / 32) @@ -68,68 +79,55 @@ static const u_char irq_to_siubit[] = { 24, 25, 26, 27, 28, 29, 30, 31, }; -static void cpm2_mask_irq(unsigned int irq_nr) +static void cpm2_mask_irq(unsigned int virq) { int bit, word; - volatile uint *simr; - - irq_nr -= CPM_IRQ_OFFSET; + unsigned int irq_nr = virq_to_hw(virq); bit = irq_to_siubit[irq_nr]; word = irq_to_siureg[irq_nr]; - simr = &(cpm2_intctl->ic_simrh); ppc_cached_irq_mask[word] &= ~(1 << bit); - simr[word] = ppc_cached_irq_mask[word]; + out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]); } -static void cpm2_unmask_irq(unsigned int irq_nr) +static void cpm2_unmask_irq(unsigned int virq) { int bit, word; - volatile uint *simr; - - irq_nr -= CPM_IRQ_OFFSET; + unsigned int irq_nr = virq_to_hw(virq); bit = irq_to_siubit[irq_nr]; word = irq_to_siureg[irq_nr]; - simr = &(cpm2_intctl->ic_simrh); ppc_cached_irq_mask[word] |= 1 << bit; - simr[word] = ppc_cached_irq_mask[word]; + out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]); } -static void cpm2_mask_and_ack(unsigned int irq_nr) +static void cpm2_ack(unsigned int virq) { int bit, word; - volatile uint *simr, *sipnr; - - irq_nr -= CPM_IRQ_OFFSET; + unsigned int irq_nr = virq_to_hw(virq); bit = irq_to_siubit[irq_nr]; word = irq_to_siureg[irq_nr]; - simr = &(cpm2_intctl->ic_simrh); - sipnr = &(cpm2_intctl->ic_sipnrh); - ppc_cached_irq_mask[word] &= ~(1 << bit); - simr[word] = ppc_cached_irq_mask[word]; - sipnr[word] = 1 << bit; + out_be32(&cpm2_intctl->ic_sipnrh + word, 1 << bit); } -static void cpm2_end_irq(unsigned int irq_nr) +static void cpm2_end_irq(unsigned int virq) { int bit, word; - volatile uint *simr; + unsigned int irq_nr = virq_to_hw(virq); if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS)) && irq_desc[irq_nr].action) { - irq_nr -= CPM_IRQ_OFFSET; bit = irq_to_siubit[irq_nr]; word = irq_to_siureg[irq_nr]; - simr = &(cpm2_intctl->ic_simrh); ppc_cached_irq_mask[word] |= 1 << bit; - simr[word] = ppc_cached_irq_mask[word]; + out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]); + /* * Work around large numbers of spurious IRQs on PowerPC 82xx * systems. @@ -138,13 +136,59 @@ static void cpm2_end_irq(unsigned int irq_nr) } } +static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) +{ + unsigned int src = virq_to_hw(virq); + struct irq_desc *desc = get_irq_desc(virq); + unsigned int vold, vnew, edibit; + + if (flow_type == IRQ_TYPE_NONE) + flow_type = IRQ_TYPE_LEVEL_LOW; + + if (flow_type & IRQ_TYPE_EDGE_RISING) { + printk(KERN_ERR "CPM2 PIC: sense type 0x%x not supported\n", + flow_type); + return -EINVAL; + } + + desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); + desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; + if (flow_type & IRQ_TYPE_LEVEL_LOW) { + desc->status |= IRQ_LEVEL; + desc->handle_irq = handle_level_irq; + } else + desc->handle_irq = handle_edge_irq; + + /* internal IRQ senses are LEVEL_LOW + * EXT IRQ and Port C IRQ senses are programmable + */ + if (src >= CPM2_IRQ_EXT1 && src <= CPM2_IRQ_EXT7) + edibit = (14 - (src - CPM2_IRQ_EXT1)); + else + if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0) + edibit = (31 - (src - CPM2_IRQ_PORTC15)); + else + return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL; + + vold = in_be32(&cpm2_intctl->ic_siexr); + + if ((flow_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_FALLING) + vnew = vold | (1 << edibit); + else + vnew = vold & ~(1 << edibit); + + if (vold != vnew) + out_be32(&cpm2_intctl->ic_siexr, vnew); + return 0; +} + static struct irq_chip cpm2_pic = { .typename = " CPM2 SIU ", - .enable = cpm2_unmask_irq, - .disable = cpm2_mask_irq, + .mask = cpm2_mask_irq, .unmask = cpm2_unmask_irq, - .mask_ack = cpm2_mask_and_ack, - .end = cpm2_end_irq, + .ack = cpm2_ack, + .eoi = cpm2_end_irq, + .set_type = cpm2_set_irq_type, }; unsigned int cpm2_get_irq(void) @@ -154,17 +198,17 @@ unsigned int cpm2_get_irq(void) /* For CPM2, read the SIVEC register and shift the bits down * to get the irq number. */ - bits = cpm2_intctl->ic_sivec; + bits = in_be32(&cpm2_intctl->ic_sivec); irq = bits >> 26; if (irq == 0) return(-1); - return irq+CPM_IRQ_OFFSET; + return irq_linear_revmap(cpm2_pic_host, irq); } static int cpm2_pic_host_match(struct irq_host *h, struct device_node *node) { - return cpm2_pic_node == NULL || cpm2_pic_node == node; + return cpm2_pic_node == node; } static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq, @@ -177,39 +221,21 @@ static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq, return 0; } -static void cpm2_host_unmap(struct irq_host *h, unsigned int virq) -{ - /* Make sure irq is masked in hardware */ - cpm2_mask_irq(virq); - - /* remove chip and handler */ - set_irq_chip_and_handler(virq, NULL, NULL); -} - static int cpm2_pic_host_xlate(struct irq_host *h, struct device_node *ct, u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) { - static const unsigned char map_cpm2_senses[4] = { - IRQ_TYPE_LEVEL_LOW, - IRQ_TYPE_LEVEL_HIGH, - IRQ_TYPE_EDGE_FALLING, - IRQ_TYPE_EDGE_RISING, - }; - *out_hwirq = intspec[0]; - if (intsize > 1 && intspec[1] < 4) - *out_flags = map_cpm2_senses[intspec[1]]; + if (intsize > 1) + *out_flags = intspec[1]; else *out_flags = IRQ_TYPE_NONE; - return 0; } static struct irq_host_ops cpm2_pic_host_ops = { .match = cpm2_pic_host_match, .map = cpm2_pic_host_map, - .unmap = cpm2_host_unmap, .xlate = cpm2_pic_host_xlate, }; @@ -217,32 +243,34 @@ void cpm2_pic_init(struct device_node *node) { int i; + cpm2_intctl = cpm2_map(im_intctl); + /* Clear the CPM IRQ controller, in case it has any bits set * from the bootloader */ /* Mask out everything */ - cpm2_intctl->ic_simrh = 0x00000000; - cpm2_intctl->ic_simrl = 0x00000000; + out_be32(&cpm2_intctl->ic_simrh, 0x00000000); + out_be32(&cpm2_intctl->ic_simrl, 0x00000000); wmb(); /* Ack everything */ - cpm2_intctl->ic_sipnrh = 0xffffffff; - cpm2_intctl->ic_sipnrl = 0xffffffff; + out_be32(&cpm2_intctl->ic_sipnrh, 0xffffffff); + out_be32(&cpm2_intctl->ic_sipnrl, 0xffffffff); wmb(); /* Dummy read of the vector */ - i = cpm2_intctl->ic_sivec; + i = in_be32(&cpm2_intctl->ic_sivec); rmb(); /* Initialize the default interrupt mapping priorities, * in case the boot rom changed something on us. */ - cpm2_intctl->ic_sicr = 0; - cpm2_intctl->ic_scprrh = 0x05309770; - cpm2_intctl->ic_scprrl = 0x05309770; + out_be16(&cpm2_intctl->ic_sicr, 0); + out_be32(&cpm2_intctl->ic_scprrh, 0x05309770); + out_be32(&cpm2_intctl->ic_scprrl, 0x05309770); /* create a legacy host */ cpm2_pic_node = of_node_get(node); diff --git a/arch/powerpc/sysdev/cpm2_pic.h b/arch/powerpc/sysdev/cpm2_pic.h index 2840616..30e5828 100644 --- a/arch/powerpc/sysdev/cpm2_pic.h +++ b/arch/powerpc/sysdev/cpm2_pic.h @@ -1,8 +1,6 @@ #ifndef _PPC_KERNEL_CPM2_H #define _PPC_KERNEL_CPM2_H -extern intctl_cpm2_t *cpm2_intctl; - extern unsigned int cpm2_get_irq(void); extern void cpm2_pic_init(struct device_node*); diff --git a/include/asm-powerpc/mpc8260.h b/include/asm-powerpc/mpc8260.h new file mode 100644 index 0000000..f1b83b0 --- /dev/null +++ b/include/asm-powerpc/mpc8260.h @@ -0,0 +1,24 @@ +/* + * Since there are many different boards and no standard configuration, + * we have a unique include file for each. Rather than change every + * file that has to include MPC8260 configuration, they all include + * this one and the configuration switching is done here. + */ +#ifdef __KERNEL__ +#ifndef __ASM_PPC_MPC8260_H__ +#define __ASM_PPC_MPC8260_H__ + + +#ifdef CONFIG_8260 + +#if defined(CONFIG_PQ2ADS) || defined (CONFIG_PQ2FADS) +#include <platforms/82xx/pq2ads.h> +#endif + +#ifdef CONFIG_PCI_8260 +#include <platforms/82xx/m82xx_pci.h> +#endif + +#endif /* CONFIG_8260 */ +#endif /* !__ASM_PPC_MPC8260_H__ */ +#endif /* __KERNEL__ */ |
