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Code Issues Releases Wiki Activity

show MCI firmware version

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This commit is contained in:
none 2021-04-07 19:28:12 +02:00
parent 3cb3df51cf
commit a5ad0b0584
1 changed files with 14 additions and 2 deletions
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14
ddbridge/ddbridge-mci.c
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@ -34,10 +34,16 @@ static int mci_reset(struct ddb_link *link)
u32 control; u32 control;
u32 status = 0; u32 status = 0;
u32 timeout = 40; u32 timeout = 40;
union {
u32 u[4];
char s[16];
} version;
u32 vaddr;
if (!regmap || ! regmap->mci) if (!regmap || !regmap->mci)
return -EINVAL; return -EINVAL;
control = regmap->mci->base; control = regmap->mci->base;
vaddr = regmap->mci_buf->base + 0xf0;
if ((link->info->type == DDB_OCTOPUS_MCI) && if ((link->info->type == DDB_OCTOPUS_MCI) &&
(ddblreadl(link, control) & MCI_CONTROL_START_COMMAND)) { (ddblreadl(link, control) & MCI_CONTROL_START_COMMAND)) {
@ -55,11 +61,17 @@ static int mci_reset(struct ddb_link *link)
msleep(50); msleep(50);
} }
dev_info(link->dev->dev, "MCI control port @ %08x\n", control); dev_info(link->dev->dev, "MCI control port @ %08x\n", control);
if ((status & MCI_CONTROL_READY) == 0) { if ((status & MCI_CONTROL_READY) == 0) {
dev_err(link->dev->dev, "MCI init failed!\n"); dev_err(link->dev->dev, "MCI init failed!\n");
return -1; return -1;
} }
version.u[0] = ddblreadl(link, vaddr);
version.u[1] = ddblreadl(link, vaddr + 4);
version.u[2] = ddblreadl(link, vaddr + 8);
version.u[3] = ddblreadl(link, vaddr + 12);
dev_info(link->dev->dev, "MCI port OK, init time %u msecs\n", (40 - timeout) * 50); dev_info(link->dev->dev, "MCI port OK, init time %u msecs\n", (40 - timeout) * 50);
dev_info(link->dev->dev, "MCI firmware version %s.%d\n", version.s, version.s[15]);
return 0; return 0;
} }