af015f956c
Tested on the following boards: ALFA AP96 TL-MR3220 v1 TL-WR1043ND v1 TL-WR2543ND v1 TL-WR703N v1 TL-WR741ND v1 TL-WR741ND v4 WNDR3700 v1 WZR-HP-G300NH SVN-Revision: 29868
81 lines
2.3 KiB
Diff
81 lines
2.3 KiB
Diff
From d9215f4c69b414f589eeeff002af7ef58b96b172 Mon Sep 17 00:00:00 2001
|
|
From: Gabor Juhos <juhosg@openwrt.org>
|
|
Date: Mon, 20 Jun 2011 19:26:12 +0200
|
|
Subject: [PATCH 15/27] MIPS: ath79: register UART device for the AR933X SoCs
|
|
|
|
The AR933X SoCs does not have a 8250 compatible UART, they
|
|
are using a different UART core. Register a different platform
|
|
device for the different UART.
|
|
|
|
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
|
|
Cc: linux-mips@linux-mips.org
|
|
Cc: Kathy Giori <kgiori@qca.qualcomm.com>
|
|
Cc: "Luis R. Rodriguez" <rodrigue@qca.qualcomm.com>
|
|
Patchwork: https://patchwork.linux-mips.org/patch/2528/
|
|
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
---
|
|
arch/mips/ath79/dev-common.c | 38 ++++++++++++++++++++++++++++++++++++--
|
|
1 files changed, 36 insertions(+), 2 deletions(-)
|
|
|
|
--- a/arch/mips/ath79/dev-common.c
|
|
+++ b/arch/mips/ath79/dev-common.c
|
|
@@ -20,6 +20,7 @@
|
|
|
|
#include <asm/mach-ath79/ath79.h>
|
|
#include <asm/mach-ath79/ar71xx_regs.h>
|
|
+#include <asm/mach-ath79/ar933x_uart_platform.h>
|
|
#include "common.h"
|
|
#include "dev-common.h"
|
|
|
|
@@ -54,6 +55,30 @@ static struct platform_device ath79_uart
|
|
},
|
|
};
|
|
|
|
+static struct resource ar933x_uart_resources[] = {
|
|
+ {
|
|
+ .start = AR933X_UART_BASE,
|
|
+ .end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+ {
|
|
+ .start = ATH79_MISC_IRQ_UART,
|
|
+ .end = ATH79_MISC_IRQ_UART,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct ar933x_uart_platform_data ar933x_uart_data;
|
|
+static struct platform_device ar933x_uart_device = {
|
|
+ .name = "ar933x-uart",
|
|
+ .id = -1,
|
|
+ .resource = ar933x_uart_resources,
|
|
+ .num_resources = ARRAY_SIZE(ar933x_uart_resources),
|
|
+ .dev = {
|
|
+ .platform_data = &ar933x_uart_data,
|
|
+ },
|
|
+};
|
|
+
|
|
void __init ath79_register_uart(void)
|
|
{
|
|
struct clk *clk;
|
|
@@ -62,8 +87,17 @@ void __init ath79_register_uart(void)
|
|
if (IS_ERR(clk))
|
|
panic("unable to get UART clock, err=%ld", PTR_ERR(clk));
|
|
|
|
- ath79_uart_data[0].uartclk = clk_get_rate(clk);
|
|
- platform_device_register(&ath79_uart_device);
|
|
+ if (soc_is_ar71xx() ||
|
|
+ soc_is_ar724x() ||
|
|
+ soc_is_ar913x()) {
|
|
+ ath79_uart_data[0].uartclk = clk_get_rate(clk);
|
|
+ platform_device_register(&ath79_uart_device);
|
|
+ } else if (soc_is_ar933x()) {
|
|
+ ar933x_uart_data.uartclk = clk_get_rate(clk);
|
|
+ platform_device_register(&ar933x_uart_device);
|
|
+ } else {
|
|
+ BUG();
|
|
+ }
|
|
}
|
|
|
|
static struct platform_device ath79_wdt_device = {
|