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authorArnd Bergmann <arnd@arndb.de>2015-10-06 10:43:25 -0400
committerArnd Bergmann <arnd@arndb.de>2015-10-06 10:43:25 -0400
commitd64c5097ff1701ae54d02d36f68184756e6a80f0 (patch)
tree15c2c7f83c72c47c01f2a236db752a31af613aeb
parent64685273186b71b75734771ca21823cec2d994c3 (diff)
parent6f112a08c1ed717a015dae190e289d53085c1bc4 (diff)
Merge tag 'at91-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/soc
Merge "First little batch of SoC changes for 4.4" from Nicolas Ferre: - a MAINTAINER addition to cover SAMA5 SoCs - removal of one unneeded header file - for low-level serial output, use the DEBUG_UART_PHYS * tag 'at91-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: ARM: at91: debug: use DEBUG_UART_PHYS ARM: at91: remove useless includes in platform_data/atmel.h MAINTAINERS: explicitly add Atmel SAMA5
-rw-r--r--MAINTAINERS2
-rw-r--r--arch/arm/Kconfig.debug41
-rw-r--r--arch/arm/include/debug/at91.S18
-rw-r--r--include/linux/platform_data/atmel.h8
4 files changed, 21 insertions, 48 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 797236befd27..cef312ddd49e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -917,7 +917,7 @@ M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
917S: Maintained 917S: Maintained
918F: arch/arm/mach-alpine/ 918F: arch/arm/mach-alpine/
919 919
920ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES 920ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT
921M: Nicolas Ferre <nicolas.ferre@atmel.com> 921M: Nicolas Ferre <nicolas.ferre@atmel.com>
922M: Alexandre Belloni <alexandre.belloni@free-electrons.com> 922M: Alexandre Belloni <alexandre.belloni@free-electrons.com>
923M: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> 923M: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 0cfd7f947f6b..abf65b67d5e0 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -123,29 +123,23 @@ choice
123 0x80020000 | 0xf0020000 | UART8 123 0x80020000 | 0xf0020000 | UART8
124 0x80024000 | 0xf0024000 | UART9 124 0x80024000 | 0xf0024000 | UART9
125 125
126 config AT91_DEBUG_LL_DBGU0 126 config DEBUG_AT91_UART
127 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12" 127 bool "Kernel low-level debugging on Atmel SoCs"
128 select DEBUG_AT91_UART
129 depends on ARCH_AT91 128 depends on ARCH_AT91
130 depends on SOC_AT91RM9200 || SOC_AT91SAM9 129 help
130 Say Y here if you want the debug print routines to direct
131 their output to the serial port on atmel devices.
131 132
132 config AT91_DEBUG_LL_DBGU1 133 SOC DEBUG_UART_PHYS DEBUG_UART_VIRT PORT
133 bool "Kernel low-level debugging on 9263, 9g45 and sama5d3" 134 rm9200, 9260/9g20, 0xfffff200 0xfefff200 DBGU
134 select DEBUG_AT91_UART 135 9261/9g10, 9rl
135 depends on ARCH_AT91 136 9263, 9g45, sama5d3 0xffffee00 0xfeffee00 DBGU
136 depends on SOC_AT91SAM9 || SOC_SAMA5 137 sama5d4 0xfc00c000 0xfb00c000 USART3
138 sama5d4 0xfc069000 0xfb069000 DBGU
139 sama5d2 0xf8020000 0xf7020000 UART1
137 140
138 config AT91_DEBUG_LL_DBGU2 141 Please adjust DEBUG_UART_PHYS configuration options based on
139 bool "Kernel low-level debugging on sama5d4" 142 your needs.
140 select DEBUG_AT91_UART
141 depends on ARCH_AT91
142 depends on SOC_SAMA5
143
144 config AT91_DEBUG_LL_DBGU3
145 bool "Kernel low-level debugging on sama5d2"
146 select DEBUG_AT91_UART
147 depends on ARCH_AT91
148 depends on SOC_SAMA5
149 143
150 config DEBUG_BCM2835 144 config DEBUG_BCM2835
151 bool "Kernel low-level debugging on BCM2835 PL011 UART" 145 bool "Kernel low-level debugging on BCM2835 PL011 UART"
@@ -1249,10 +1243,6 @@ choice
1249 1243
1250endchoice 1244endchoice
1251 1245
1252config DEBUG_AT91_UART
1253 bool
1254 depends on ARCH_AT91
1255
1256config DEBUG_EXYNOS_UART 1246config DEBUG_EXYNOS_UART
1257 bool 1247 bool
1258 1248
@@ -1485,7 +1475,8 @@ config DEBUG_UART_PHYS
1485 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1475 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
1486 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1476 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
1487 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ 1477 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
1488 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 1478 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
1479 DEBUG_AT91_UART
1489 1480
1490config DEBUG_UART_VIRT 1481config DEBUG_UART_VIRT
1491 hex "Virtual base address of debug UART" 1482 hex "Virtual base address of debug UART"
diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S
index 2556a8801c8c..43243be94cfc 100644
--- a/arch/arm/include/debug/at91.S
+++ b/arch/arm/include/debug/at91.S
@@ -9,32 +9,22 @@
9 * 9 *
10*/ 10*/
11 11
12#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
13#define AT91_DBGU 0xfffff200 /* AT91_BASE_DBGU0 */
14#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1)
15#define AT91_DBGU 0xffffee00 /* AT91_BASE_DBGU1 */
16#elif defined(CONFIG_AT91_DEBUG_LL_DBGU2)
17/* On sama5d4, use USART3 as low level serial console */
18#define AT91_DBGU 0xfc00c000 /* SAMA5D4_BASE_USART3 */
19#else
20/* On sama5d2, use UART1 as low level serial console */
21#define AT91_DBGU 0xf8020000
22#endif
23
24#ifdef CONFIG_MMU 12#ifdef CONFIG_MMU
25#define AT91_IO_P2V(x) ((x) - 0x01000000) 13#define AT91_IO_P2V(x) ((x) - 0x01000000)
26#else 14#else
27#define AT91_IO_P2V(x) (x) 15#define AT91_IO_P2V(x) (x)
28#endif 16#endif
29 17
18#define CONFIG_DEBUG_UART_VIRT AT91_IO_P2V(CONFIG_DEBUG_UART_PHYS)
19
30#define AT91_DBGU_SR (0x14) /* Status Register */ 20#define AT91_DBGU_SR (0x14) /* Status Register */
31#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */ 21#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
32#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ 22#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
33#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ 23#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
34 24
35 .macro addruart, rp, rv, tmp 25 .macro addruart, rp, rv, tmp
36 ldr \rp, =AT91_DBGU @ System peripherals (phys address) 26 ldr \rp, =CONFIG_DEBUG_UART_PHYS @ System peripherals (phys address)
37 ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address) 27 ldr \rv, =CONFIG_DEBUG_UART_VIRT @ System peripherals (virt address)
38 .endm 28 .endm
39 29
40 .macro senduart,rd,rx 30 .macro senduart,rd,rx
diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h
index 527a85c61924..4d67a5e82c83 100644
--- a/include/linux/platform_data/atmel.h
+++ b/include/linux/platform_data/atmel.h
@@ -9,15 +9,7 @@
9 9
10#include <linux/mtd/nand.h> 10#include <linux/mtd/nand.h>
11#include <linux/mtd/partitions.h> 11#include <linux/mtd/partitions.h>
12#include <linux/device.h>
13#include <linux/i2c.h>
14#include <linux/leds.h>
15#include <linux/spi/spi.h>
16#include <linux/usb/atmel_usba_udc.h>
17#include <linux/atmel-mci.h>
18#include <sound/atmel-ac97c.h>
19#include <linux/serial.h> 12#include <linux/serial.h>
20#include <linux/platform_data/macb.h>
21 13
22/* 14/*
23 * at91: 6 USARTs and one DBGU port (SAM9260) 15 * at91: 6 USARTs and one DBGU port (SAM9260)