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yaml --- r: 150554 b: refs/heads/master c: 3f1f39c h: refs/heads/master v: v3
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David S. Miller
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May 29, 2009
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 7481806dcfd07e9a636155554f6f4b4fbd976381 | ||
| refs/heads/master: 3f1f39c42b24d5c20eb593ce80b9c4d5ec1e2148 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| /* | ||
| * For License see notice in hfc_multi.c | ||
| * | ||
| * special IO and init functions for the embedded XHFC board | ||
| * from Speech Design | ||
| * | ||
| */ | ||
|
|
||
| #include <asm/8xx_immap.h> | ||
|
|
||
| /* Change this to the value used by your board */ | ||
| #ifndef IMAP_ADDR | ||
| #define IMAP_ADDR 0xFFF00000 | ||
| #endif | ||
|
|
||
| static void | ||
| #ifdef HFC_REGISTER_DEBUG | ||
| HFC_outb_embsd(struct hfc_multi *hc, u_char reg, u_char val, | ||
| const char *function, int line) | ||
| #else | ||
| HFC_outb_embsd(struct hfc_multi *hc, u_char reg, u_char val) | ||
| #endif | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| writeb(reg, hc->xhfc_memaddr); | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| writeb(val, hc->xhfc_memdata); | ||
| } | ||
| static u_char | ||
| #ifdef HFC_REGISTER_DEBUG | ||
| HFC_inb_embsd(struct hfc_multi *hc, u_char reg, const char *function, int line) | ||
| #else | ||
| HFC_inb_embsd(struct hfc_multi *hc, u_char reg) | ||
| #endif | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| writeb(reg, hc->xhfc_memaddr); | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| return readb(hc->xhfc_memdata); | ||
| } | ||
| static u_short | ||
| #ifdef HFC_REGISTER_DEBUG | ||
| HFC_inw_embsd(struct hfc_multi *hc, u_char reg, const char *function, int line) | ||
| #else | ||
| HFC_inw_embsd(struct hfc_multi *hc, u_char reg) | ||
| #endif | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| writeb(reg, hc->xhfc_memaddr); | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| return readb(hc->xhfc_memdata); | ||
| } | ||
| static void | ||
| #ifdef HFC_REGISTER_DEBUG | ||
| HFC_wait_embsd(struct hfc_multi *hc, const char *function, int line) | ||
| #else | ||
| HFC_wait_embsd(struct hfc_multi *hc) | ||
| #endif | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| writeb(R_STATUS, hc->xhfc_memaddr); | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| while (readb(hc->xhfc_memdata) & V_BUSY) | ||
| cpu_relax(); | ||
| } | ||
|
|
||
| /* write fifo data (EMBSD) */ | ||
| void | ||
| write_fifo_embsd(struct hfc_multi *hc, u_char *data, int len) | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| *hc->xhfc_memaddr = A_FIFO_DATA0; | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| while (len) { | ||
| *hc->xhfc_memdata = *data; | ||
| data++; | ||
| len--; | ||
| } | ||
| } | ||
|
|
||
| /* read fifo data (EMBSD) */ | ||
| void | ||
| read_fifo_embsd(struct hfc_multi *hc, u_char *data, int len) | ||
| { | ||
| hc->immap->im_ioport.iop_padat |= PA_XHFC_A0; | ||
| *hc->xhfc_memaddr = A_FIFO_DATA0; | ||
| hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0); | ||
| while (len) { | ||
| *data = (u_char)(*hc->xhfc_memdata); | ||
| data++; | ||
| len--; | ||
| } | ||
| } | ||
|
|
||
| static int | ||
| setup_embedded(struct hfc_multi *hc, struct hm_map *m) | ||
| { | ||
| printk(KERN_INFO | ||
| "HFC-multi: card manufacturer: '%s' card name: '%s' clock: %s\n", | ||
| m->vendor_name, m->card_name, m->clock2 ? "double" : "normal"); | ||
|
|
||
| hc->pci_dev = NULL; | ||
| if (m->clock2) | ||
| test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip); | ||
|
|
||
| hc->leds = m->leds; | ||
| hc->ledstate = 0xAFFEAFFE; | ||
| hc->opticalsupport = m->opticalsupport; | ||
|
|
||
| hc->pci_iobase = 0; | ||
| hc->pci_membase = 0; | ||
| hc->xhfc_membase = NULL; | ||
| hc->xhfc_memaddr = NULL; | ||
| hc->xhfc_memdata = NULL; | ||
|
|
||
| /* set memory access methods */ | ||
| if (m->io_mode) /* use mode from card config */ | ||
| hc->io_mode = m->io_mode; | ||
| switch (hc->io_mode) { | ||
| case HFC_IO_MODE_EMBSD: | ||
| test_and_set_bit(HFC_CHIP_EMBSD, &hc->chip); | ||
| hc->slots = 128; /* required */ | ||
| /* fall through */ | ||
| hc->HFC_outb = HFC_outb_embsd; | ||
| hc->HFC_inb = HFC_inb_embsd; | ||
| hc->HFC_inw = HFC_inw_embsd; | ||
| hc->HFC_wait = HFC_wait_embsd; | ||
| hc->read_fifo = read_fifo_embsd; | ||
| hc->write_fifo = write_fifo_embsd; | ||
| hc->xhfc_origmembase = XHFC_MEMBASE + XHFC_OFFSET * hc->id; | ||
| hc->xhfc_membase = (u_char *)ioremap(hc->xhfc_origmembase, | ||
| XHFC_MEMSIZE); | ||
| if (!hc->xhfc_membase) { | ||
| printk(KERN_WARNING | ||
| "HFC-multi: failed to remap xhfc address space. " | ||
| "(internal error)\n"); | ||
| return -EIO; | ||
| } | ||
| hc->xhfc_memaddr = (u_long *)(hc->xhfc_membase + 4); | ||
| hc->xhfc_memdata = (u_long *)(hc->xhfc_membase); | ||
| printk(KERN_INFO | ||
| "HFC-multi: xhfc_membase:%#lx xhfc_origmembase:%#lx " | ||
| "xhfc_memaddr:%#lx xhfc_memdata:%#lx\n", | ||
| (u_long)hc->xhfc_membase, hc->xhfc_origmembase, | ||
| (u_long)hc->xhfc_memaddr, (u_long)hc->xhfc_memdata); | ||
| break; | ||
| default: | ||
| printk(KERN_WARNING "HFC-multi: Invalid IO mode.\n"); | ||
| return -EIO; | ||
| } | ||
|
|
||
| /* Prepare the MPC8XX PortA 10 as output (address/data selector) */ | ||
| hc->immap = (struct immap *)(IMAP_ADDR); | ||
| hc->immap->im_ioport.iop_papar &= ~(PA_XHFC_A0); | ||
| hc->immap->im_ioport.iop_paodr &= ~(PA_XHFC_A0); | ||
| hc->immap->im_ioport.iop_padir |= PA_XHFC_A0; | ||
|
|
||
| /* Prepare the MPC8xx PortB __X__ as input (ISDN__X__IRQ) */ | ||
| hc->pb_irqmsk = (PB_XHFC_IRQ1 << hc->id); | ||
| hc->immap->im_cpm.cp_pbpar &= ~(hc->pb_irqmsk); | ||
| hc->immap->im_cpm.cp_pbodr &= ~(hc->pb_irqmsk); | ||
| hc->immap->im_cpm.cp_pbdir &= ~(hc->pb_irqmsk); | ||
|
|
||
| /* At this point the needed config is done */ | ||
| /* fifos are still not enabled */ | ||
| return 0; | ||
| } |
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