From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/drivers/tty/serial/lpc32xx_hs.c | 45 ++++++++-------------------------------------
1 files changed, 8 insertions(+), 37 deletions(-)
diff --git a/kernel/drivers/tty/serial/lpc32xx_hs.c b/kernel/drivers/tty/serial/lpc32xx_hs.c
index d1d7326..a980230 100644
--- a/kernel/drivers/tty/serial/lpc32xx_hs.c
+++ b/kernel/drivers/tty/serial/lpc32xx_hs.c
@@ -23,10 +23,9 @@
#include <linux/nmi.h>
#include <linux/io.h>
#include <linux/irq.h>
-#include <linux/gpio.h>
#include <linux/of.h>
-#include <mach/platform.h>
-#include <mach/hardware.h>
+#include <linux/sizes.h>
+#include <linux/soc/nxp/lpc32xx-misc.h>
/*
* High Speed UART register offsets
@@ -80,6 +79,8 @@
#define LPC32XX_HSU_TX_TL4B (0x1 << 0)
#define LPC32XX_HSU_TX_TL8B (0x2 << 0)
#define LPC32XX_HSU_TX_TL16B (0x3 << 0)
+
+#define LPC32XX_MAIN_OSC_FREQ 13000000
#define MODNAME "lpc32xx_hsuart"
@@ -169,6 +170,8 @@
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
+
+ lpc32xx_loopback_set(port->mapbase, 0); /* get out of loopback mode */
return uart_set_options(port, co, baud, parity, bits, flow);
}
@@ -341,7 +344,7 @@
LPC32XX_HSUART_IIR(port->membase));
port->icount.overrun++;
tty_insert_flip_char(tport, 0, TTY_OVERRUN);
- tty_schedule_flip(tport);
+ tty_flip_buffer_push(tport);
}
/* Data received? */
@@ -433,35 +436,6 @@
tmp &= ~LPC32XX_HSU_BREAK;
writel(tmp, LPC32XX_HSUART_CTRL(port->membase));
spin_unlock_irqrestore(&port->lock, flags);
-}
-
-/* LPC3250 Errata HSUART.1: Hang workaround via loopback mode on inactivity */
-static void lpc32xx_loopback_set(resource_size_t mapbase, int state)
-{
- int bit;
- u32 tmp;
-
- switch (mapbase) {
- case LPC32XX_HS_UART1_BASE:
- bit = 0;
- break;
- case LPC32XX_HS_UART2_BASE:
- bit = 1;
- break;
- case LPC32XX_HS_UART7_BASE:
- bit = 6;
- break;
- default:
- WARN(1, "lpc32xx_hs: Warning: Unknown port at %08x\n", mapbase);
- return;
- }
-
- tmp = readl(LPC32XX_UARTCTL_CLOOP);
- if (state)
- tmp |= (1 << bit);
- else
- tmp &= ~(1 << bit);
- writel(tmp, LPC32XX_UARTCTL_CLOOP);
}
/* port->lock is not held. */
@@ -683,11 +657,8 @@
p->port.membase = NULL;
ret = platform_get_irq(pdev, 0);
- if (ret < 0) {
- dev_err(&pdev->dev, "Error getting irq for HS UART port %d\n",
- uarts_registered);
+ if (ret < 0)
return ret;
- }
p->port.irq = ret;
p->port.iotype = UPIO_MEM32;
--
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