summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/arm/mach-at91/Kconfig30
-rw-r--r--drivers/serial/atmel_serial.c3
-rw-r--r--include/asm-arm/arch-at91/at91rm9200.h5
-rw-r--r--include/asm-arm/arch-at91/at91sam9260.h7
-rw-r--r--include/asm-arm/arch-at91/at91sam9261.h4
-rw-r--r--include/asm-arm/arch-at91/at91sam9263.h4
-rw-r--r--include/asm-arm/arch-at91/at91sam9rl.h5
-rw-r--r--include/asm-arm/arch-at91/uncompress.h32
-rw-r--r--include/linux/atmel_serial.h (renamed from drivers/serial/atmel_serial.h)2
9 files changed, 81 insertions, 11 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 5b0422cdde76..074dcd5d9a7e 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -253,6 +253,36 @@ config AT91_TIMER_HZ
system clock (of at least several MHz), rounding is less of a
problem so it can be safer to use a decimal values like 100.
+choice
+ prompt "Select a UART for early kernel messages"
+
+config AT91_EARLY_DBGU
+ bool "DBGU"
+
+config AT91_EARLY_USART0
+ bool "USART0"
+
+config AT91_EARLY_USART1
+ bool "USART1"
+
+config AT91_EARLY_USART2
+ bool "USART2"
+ depends on ! ARCH_AT91X40
+
+config AT91_EARLY_USART3
+ bool "USART3"
+ depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260)
+
+config AT91_EARLY_USART4
+ bool "USART4"
+ depends on ARCH_AT91SAM9260
+
+config AT91_EARLY_USART5
+ bool "USART5"
+ depends on ARCH_AT91SAM9260
+
+endchoice
+
endmenu
endif
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 111da57f5334..60f52904aad0 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -34,6 +34,7 @@
#include <linux/tty_flip.h>
#include <linux/platform_device.h>
#include <linux/atmel_pdc.h>
+#include <linux/atmel_serial.h>
#include <asm/io.h>
@@ -45,8 +46,6 @@
#include <asm/arch/gpio.h>
#endif
-#include "atmel_serial.h"
-
#if defined(CONFIG_SERIAL_ATMEL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
#endif
diff --git a/include/asm-arm/arch-at91/at91rm9200.h b/include/asm-arm/arch-at91/at91rm9200.h
index 802891a9cd81..e8fc0b1c33f4 100644
--- a/include/asm-arm/arch-at91/at91rm9200.h
+++ b/include/asm-arm/arch-at91/at91rm9200.h
@@ -93,6 +93,11 @@
#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS) /* Real-Time Clock */
#define AT91_MC (0xffffff00 - AT91_BASE_SYS) /* Memory Controllers */
+#define AT91_USART0 AT91RM9200_BASE_US0
+#define AT91_USART1 AT91RM9200_BASE_US1
+#define AT91_USART2 AT91RM9200_BASE_US2
+#define AT91_USART3 AT91RM9200_BASE_US3
+
#define AT91_MATRIX 0 /* not supported */
/*
diff --git a/include/asm-arm/arch-at91/at91sam9260.h b/include/asm-arm/arch-at91/at91sam9260.h
index 0427f8698c07..c8934fe34dc5 100644
--- a/include/asm-arm/arch-at91/at91sam9260.h
+++ b/include/asm-arm/arch-at91/at91sam9260.h
@@ -99,6 +99,13 @@
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
+#define AT91_USART0 AT91SAM9260_BASE_US0
+#define AT91_USART1 AT91SAM9260_BASE_US1
+#define AT91_USART2 AT91SAM9260_BASE_US2
+#define AT91_USART3 AT91SAM9260_BASE_US3
+#define AT91_USART4 AT91SAM9260_BASE_US4
+#define AT91_USART5 AT91SAM9260_BASE_US5
+
/*
* Internal Memory.
diff --git a/include/asm-arm/arch-at91/at91sam9261.h b/include/asm-arm/arch-at91/at91sam9261.h
index 9eb459570330..c7c4778dac49 100644
--- a/include/asm-arm/arch-at91/at91sam9261.h
+++ b/include/asm-arm/arch-at91/at91sam9261.h
@@ -84,6 +84,10 @@
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
+#define AT91_USART0 AT91SAM9261_BASE_US0
+#define AT91_USART1 AT91SAM9261_BASE_US1
+#define AT91_USART2 AT91SAM9261_BASE_US2
+
/*
* Internal Memory.
diff --git a/include/asm-arm/arch-at91/at91sam9263.h b/include/asm-arm/arch-at91/at91sam9263.h
index 115c47ac7ebb..018a647311da 100644
--- a/include/asm-arm/arch-at91/at91sam9263.h
+++ b/include/asm-arm/arch-at91/at91sam9263.h
@@ -101,6 +101,10 @@
#define AT91_RTT1 (0xfffffd50 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS)
+#define AT91_USART0 AT91SAM9263_BASE_US0
+#define AT91_USART1 AT91SAM9263_BASE_US1
+#define AT91_USART2 AT91SAM9263_BASE_US2
+
#define AT91_SMC AT91_SMC0
/*
diff --git a/include/asm-arm/arch-at91/at91sam9rl.h b/include/asm-arm/arch-at91/at91sam9rl.h
index 8a9708a370c6..16d2832f6c0a 100644
--- a/include/asm-arm/arch-at91/at91sam9rl.h
+++ b/include/asm-arm/arch-at91/at91sam9rl.h
@@ -94,6 +94,11 @@
#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS)
#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS)
+#define AT91_USART0 AT91SAM9RL_BASE_US0
+#define AT91_USART1 AT91SAM9RL_BASE_US1
+#define AT91_USART2 AT91SAM9RL_BASE_US2
+#define AT91_USART3 AT91SAM9RL_BASE_US3
+
/*
* Internal Memory.
diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h
index 272a7e0dc6cf..f5636a8f6132 100644
--- a/include/asm-arm/arch-at91/uncompress.h
+++ b/include/asm-arm/arch-at91/uncompress.h
@@ -22,7 +22,23 @@
#define __ASM_ARCH_UNCOMPRESS_H
#include <asm/io.h>
-#include <asm/arch/at91_dbgu.h>
+#include <linux/atmel_serial.h>
+
+#if defined(CONFIG_AT91_EARLY_DBGU)
+#define UART_OFFSET (AT91_DBGU + AT91_BASE_SYS)
+#elif defined(CONFIG_AT91_EARLY_USART0)
+#define UART_OFFSET AT91_USART0
+#elif defined(CONFIG_AT91_EARLY_USART1)
+#define UART_OFFSET AT91_USART1
+#elif defined(CONFIG_AT91_EARLY_USART2)
+#define UART_OFFSET AT91_USART2
+#elif defined(CONFIG_AT91_EARLY_USART3)
+#define UART_OFFSET AT91_USART3
+#elif defined(CONFIG_AT91_EARLY_USART4)
+#define UART_OFFSET AT91_USART4
+#elif defined(CONFIG_AT91_EARLY_USART5)
+#define UART_OFFSET AT91_USART5
+#endif
/*
* The following code assumes the serial port has already been
@@ -33,22 +49,22 @@
*/
static void putc(int c)
{
-#ifdef AT91_DBGU
- void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
+#ifdef UART_OFFSET
+ void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
- while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
+ while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXRDY))
barrier();
- __raw_writel(c, sys + AT91_DBGU_THR);
+ __raw_writel(c, sys + ATMEL_US_THR);
#endif
}
static inline void flush(void)
{
-#ifdef AT91_DBGU
- void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
+#ifdef UART_OFFSET
+ void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
/* wait for transmission to complete */
- while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
+ while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXEMPTY))
barrier();
#endif
}
diff --git a/drivers/serial/atmel_serial.h b/include/linux/atmel_serial.h
index e0141776517c..fd6833764d72 100644
--- a/drivers/serial/atmel_serial.h
+++ b/include/linux/atmel_serial.h
@@ -1,5 +1,5 @@
/*
- * drivers/serial/atmel_serial.h
+ * include/linux/atmel_serial.h
*
* Copyright (C) 2005 Ivan Kokshaysky
* Copyright (C) SAN People
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-01 18:43:23 +0300