add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/arm/mach-rpc/ecard.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/arch/arm/kernel/ecard.c
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  *
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  *  Copyright 1995-2001 Russell King
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  *  Find all installed expansion cards, and handle interrupts from them.
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  *
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@@ -66,21 +63,25 @@
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 	struct completion *complete;
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 };
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-struct expcard_blacklist {
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+struct expcard_quirklist {
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 	unsigned short	 manufacturer;
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 	unsigned short	 product;
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 	const char	*type;
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+	void (*init)(ecard_t *ec);
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 };
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 static ecard_t *cards;
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 static ecard_t *slot_to_expcard[MAX_ECARDS];
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 static unsigned int ectcr;
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+static void atomwide_3p_quirk(ecard_t *ec);
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+
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 /* List of descriptions of cards which don't have an extended
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  * identification, or chunk directories containing a description.
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  */
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-static struct expcard_blacklist __initdata blacklist[] = {
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-	{ MANU_ACORN, PROD_ACORN_ETHER1, "Acorn Ether1" }
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+static struct expcard_quirklist quirklist[] __initdata = {
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+	{ MANU_ACORN, PROD_ACORN_ETHER1, "Acorn Ether1" },
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+	{ MANU_ATOMWIDE, PROD_ATOMWIDE_3PSERIAL, NULL, atomwide_3p_quirk },
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 };
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 asmlinkage extern int
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@@ -496,18 +497,21 @@
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 	printk("Expansion card IRQ state:\n");
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 	for (ec = cards; ec; ec = ec->next) {
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+		const char *claimed;
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+
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 		if (ec->slot_no == 8)
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 			continue;
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-		printk("  %d: %sclaimed, ",
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-		       ec->slot_no, ec->claimed ? "" : "not ");
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+		claimed = ec->claimed ? "" : "not ";
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 		if (ec->ops && ec->ops->irqpending &&
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 		    ec->ops != &ecard_default_ops)
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-			printk("irq %spending\n",
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+			printk("  %d: %sclaimed irq %spending\n",
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+			       ec->slot_no, claimed,
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 			       ec->ops->irqpending(ec) ? "" : "not ");
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 		else
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-			printk("irqaddr %p, mask = %02X, status = %02X\n",
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+			printk("  %d: %sclaimed irqaddr %p, mask = %02X, status = %02X\n",
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+			       ec->slot_no, claimed,
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 			       ec->irqaddr, ec->irqmask, readb(ec->irqaddr));
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 	}
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 }
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@@ -868,6 +872,16 @@
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 }
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 EXPORT_SYMBOL(ecardm_iomap);
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+static void atomwide_3p_quirk(ecard_t *ec)
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+{
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+	void __iomem *addr = __ecard_address(ec, ECARD_IOC, ECARD_SYNC);
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+	unsigned int i;
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+
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+	/* Disable interrupts on each port */
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+	for (i = 0x2000; i <= 0x2800; i += 0x0400)
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+		writeb(0, addr + i + 4);	
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+}
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+
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 /*
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  * Probe for an expansion card.
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  *
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@@ -921,10 +935,13 @@
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 		ec->fiqmask = 4;
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 	}
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-	for (i = 0; i < ARRAY_SIZE(blacklist); i++)
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-		if (blacklist[i].manufacturer == ec->cid.manufacturer &&
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-		    blacklist[i].product == ec->cid.product) {
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-			ec->card_desc = blacklist[i].type;
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+	for (i = 0; i < ARRAY_SIZE(quirklist); i++)
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+		if (quirklist[i].manufacturer == ec->cid.manufacturer &&
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+		    quirklist[i].product == ec->cid.product) {
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+			if (quirklist[i].type)
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+				ec->card_desc = quirklist[i].type;
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+			if (quirklist[i].init)
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+				quirklist[i].init(ec);
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 			break;
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 		}
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