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ARM: at91: make DBGU soc independent 

we will select now the DBGU used by the soc at Kconfig level

For the DEBUG_LL and early_printk this will allow to select which DBGU to use
this will also allow to select them when multiple SOC are enabled

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2011-11-02 01:43:31 +08:00
parent c1c30a29df
commit 13079a7333
21 changed files with 72 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/Kconfig.debug
View File

@ -100,6 +100,14 @@ choice
Note that the system will appear to hang during boot if there
is nothing connected to read from the DCC.
config AT91_DEBUG_LL_DBGU0
bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
depends on HAVE_AT91_DBGU0
config AT91_DEBUG_LL_DBGU1
bool "Kernel low-level debugging on 9263, 9g45 and cap9"
depends on HAVE_AT91_DBGU1
config DEBUG_FOOTBRIDGE_COM1
bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
depends on FOOTBRIDGE

24
arch/arm/mach-at91/Kconfig
View File

@ -3,6 +3,12 @@ if ARCH_AT91
config HAVE_AT91_DATAFLASH_CARD
bool
config HAVE_AT91_DBGU0
bool
config HAVE_AT91_DBGU1
bool
config HAVE_AT91_USART3
bool
@ -21,12 +27,14 @@ config ARCH_AT91RM9200
bool "AT91RM9200"
select CPU_ARM920T
select GENERIC_CLOCKEVENTS
select HAVE_AT91_DBGU0
select HAVE_AT91_USART3
config ARCH_AT91SAM9260
bool "AT91SAM9260 or AT91SAM9XE"
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select HAVE_AT91_DBGU0
select HAVE_AT91_USART3
select HAVE_AT91_USART4
select HAVE_AT91_USART5
@ -37,11 +45,13 @@ config ARCH_AT91SAM9261
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select HAVE_FB_ATMEL
select HAVE_AT91_DBGU0
config ARCH_AT91SAM9G10
bool "AT91SAM9G10"
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select HAVE_AT91_DBGU0
select HAVE_FB_ATMEL
config ARCH_AT91SAM9263
@ -50,6 +60,7 @@ config ARCH_AT91SAM9263
select GENERIC_CLOCKEVENTS
select HAVE_FB_ATMEL
select HAVE_NET_MACB
select HAVE_AT91_DBGU1
config ARCH_AT91SAM9RL
bool "AT91SAM9RL"
@ -57,11 +68,13 @@ config ARCH_AT91SAM9RL
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
select HAVE_FB_ATMEL
select HAVE_AT91_DBGU0
config ARCH_AT91SAM9G20
bool "AT91SAM9G20"
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select HAVE_AT91_DBGU0
select HAVE_AT91_USART3
select HAVE_AT91_USART4
select HAVE_AT91_USART5
@ -74,6 +87,7 @@ config ARCH_AT91SAM9G45
select HAVE_AT91_USART3
select HAVE_FB_ATMEL
select HAVE_NET_MACB
select HAVE_AT91_DBGU1
config ARCH_AT91CAP9
bool "AT91CAP9"
@ -81,6 +95,7 @@ config ARCH_AT91CAP9
select GENERIC_CLOCKEVENTS
select HAVE_FB_ATMEL
select HAVE_NET_MACB
select HAVE_AT91_DBGU1
config ARCH_AT91X40
bool "AT91x40"
@ -510,8 +525,13 @@ config AT91_TIMER_HZ
choice
prompt "Select a UART for early kernel messages"
config AT91_EARLY_DBGU
bool "DBGU"
config AT91_EARLY_DBGU0
bool "DBGU on rm9200, 9260/9g20, 9261/9g10 and 9rl"
depends on HAVE_AT91_DBGU0
config AT91_EARLY_DBGU1
bool "DBGU on 9263, 9g45 and cap9"
depends on HAVE_AT91_DBGU1
config AT91_EARLY_USART0
bool "USART0"

4
arch/arm/mach-at91/at91cap9_devices.c
View File

@ -1030,8 +1030,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91CAP9_BASE_DBGU,
.end = AT91CAP9_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91rm9200_devices.c
View File

@ -877,8 +877,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91RM9200_BASE_DBGU,
.end = AT91RM9200_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91sam9260_devices.c
View File

@ -846,8 +846,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91SAM9260_BASE_DBGU,
.end = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91sam9261_devices.c
View File

@ -825,8 +825,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91SAM9261_BASE_DBGU,
.end = AT91SAM9261_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91sam9263_devices.c
View File

@ -1205,8 +1205,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91SAM9263_BASE_DBGU,
.end = AT91SAM9263_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91sam9g45_devices.c
View File

@ -1341,8 +1341,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91SAM9G45_BASE_DBGU,
.end = AT91SAM9G45_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

4
arch/arm/mach-at91/at91sam9rl_devices.c
View File

@ -917,8 +917,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
#if defined(CONFIG_SERIAL_ATMEL)
static struct resource dbgu_resources[] = {
[0] = {
.start = AT91_BASE_SYS + AT91_DBGU,
.end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
.start = AT91SAM9RL_BASE_DBGU,
.end = AT91SAM9RL_BASE_DBGU + SZ_512 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {

2
arch/arm/mach-at91/include/mach/at91_dbgu.h
View File

@ -19,7 +19,7 @@
#define dbgu_readl(dbgu, field) \
__raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field)
#ifdef AT91_DBGU
#if !defined(CONFIG_ARCH_AT91X40)
#define AT91_DBGU_CR (0x00) /* Control Register */
#define AT91_DBGU_MR (0x04) /* Mode Register */
#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */

2
arch/arm/mach-at91/include/mach/at91cap9.h
View File

@ -82,7 +82,6 @@
#define AT91_BCRAMC (0xffffe400 - AT91_BASE_SYS)
#define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS)
#define AT91_DBGU (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
@ -93,6 +92,7 @@
#define AT91CAP9_BASE_ECC 0xffffe200
#define AT91CAP9_BASE_DMA 0xffffec00
#define AT91CAP9_BASE_SMC 0xffffe800
#define AT91CAP9_BASE_DBGU AT91_BASE_DBGU1
#define AT91CAP9_BASE_PIOA 0xfffff200
#define AT91CAP9_BASE_PIOB 0xfffff400
#define AT91CAP9_BASE_PIOC 0xfffff600

2
arch/arm/mach-at91/include/mach/at91rm9200.h
View File

@ -80,12 +80,12 @@
* System Peripherals (offset from AT91_BASE_SYS)
*/
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) /* Debug Unit */
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* Power Management Controller */
#define AT91_ST (0xfffffd00 - AT91_BASE_SYS) /* System Timer */
#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS) /* Real-Time Clock */
#define AT91_MC (0xffffff00 - AT91_BASE_SYS) /* Memory Controllers */
#define AT91RM9200_BASE_DBGU AT91_BASE_DBGU0 /* Debug Unit */
#define AT91RM9200_BASE_PIOA 0xfffff400 /* PIO Controller A */
#define AT91RM9200_BASE_PIOB 0xfffff600 /* PIO Controller B */
#define AT91RM9200_BASE_PIOC 0xfffff800 /* PIO Controller C */

2
arch/arm/mach-at91/include/mach/at91sam9260.h
View File

@ -83,13 +83,13 @@
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
#define AT91SAM9260_BASE_ECC 0xffffe800
#define AT91SAM9260_BASE_SMC 0xffffec00
#define AT91SAM9260_BASE_DBGU AT91_BASE_DBGU0
#define AT91SAM9260_BASE_PIOA 0xfffff400
#define AT91SAM9260_BASE_PIOB 0xfffff600
#define AT91SAM9260_BASE_PIOC 0xfffff800

2
arch/arm/mach-at91/include/mach/at91sam9261.h
View File

@ -68,12 +68,12 @@
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
#define AT91SAM9261_BASE_SMC 0xffffec00
#define AT91SAM9261_BASE_DBGU AT91_BASE_DBGU0
#define AT91SAM9261_BASE_PIOA 0xfffff400
#define AT91SAM9261_BASE_PIOB 0xfffff600
#define AT91SAM9261_BASE_PIOC 0xfffff800

2
arch/arm/mach-at91/include/mach/at91sam9263.h
View File

@ -77,7 +77,6 @@
#define AT91_SDRAMC0 (0xffffe200 - AT91_BASE_SYS)
#define AT91_SDRAMC1 (0xffffe800 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffec00 - AT91_BASE_SYS)
#define AT91_DBGU (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
@ -87,6 +86,7 @@
#define AT91SAM9263_BASE_SMC0 0xffffe400
#define AT91SAM9263_BASE_ECC1 0xffffe600
#define AT91SAM9263_BASE_SMC1 0xffffea00
#define AT91SAM9263_BASE_DBGU AT91_BASE_DBGU1
#define AT91SAM9263_BASE_PIOA 0xfffff200
#define AT91SAM9263_BASE_PIOB 0xfffff400
#define AT91SAM9263_BASE_PIOC 0xfffff600

2
arch/arm/mach-at91/include/mach/at91sam9g45.h
View File

@ -89,7 +89,6 @@
#define AT91_DDRSDRC1 (0xffffe400 - AT91_BASE_SYS)
#define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS)
#define AT91_DBGU (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
@ -99,6 +98,7 @@
#define AT91SAM9G45_BASE_ECC 0xffffe200
#define AT91SAM9G45_BASE_DMA 0xffffec00
#define AT91SAM9G45_BASE_SMC 0xffffe800
#define AT91SAM9G45_BASE_DBGU AT91_BASE_DBGU1
#define AT91SAM9G45_BASE_PIOA 0xfffff200
#define AT91SAM9G45_BASE_PIOB 0xfffff400
#define AT91SAM9G45_BASE_PIOC 0xfffff600

2
arch/arm/mach-at91/include/mach/at91sam9rl.h
View File

@ -72,7 +72,6 @@
#define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS)
#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
#define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS)
@ -82,6 +81,7 @@
#define AT91SAM9RL_BASE_DMA 0xffffe600
#define AT91SAM9RL_BASE_ECC 0xffffe800
#define AT91SAM9RL_BASE_SMC 0xffffec00
#define AT91SAM9RL_BASE_DBGU AT91_BASE_DBGU0
#define AT91SAM9RL_BASE_PIOA 0xfffff400
#define AT91SAM9RL_BASE_PIOB 0xfffff600
#define AT91SAM9RL_BASE_PIOC 0xfffff800

10
arch/arm/mach-at91/include/mach/debug-macro.S
View File

@ -14,9 +14,15 @@
#include <mach/hardware.h>
#include <mach/at91_dbgu.h>
#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
#define AT91_DBGU AT91_BASE_DBGU0
#else
#define AT91_DBGU AT91_BASE_DBGU1
#endif
.macro addruart, rp, rv, tmp
ldr \rp, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address)
ldr \rv, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address)
ldr \rp, =AT91_DBGU @ System peripherals (phys address)
ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address)
.endm
.macro senduart,rd,rx

6
arch/arm/mach-at91/include/mach/hardware.h
View File

@ -16,6 +16,12 @@
#include <asm/sizes.h>
/* DBGU base */
/* rm9200, 9260/9g20, 9261/9g10, 9rl */
#define AT91_BASE_DBGU0 0xfffff200
/* 9263, 9g45, cap9 */
#define AT91_BASE_DBGU1 0xffffee00
#if defined(CONFIG_ARCH_AT91RM9200)
#include <mach/at91rm9200.h>
#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20)

6
arch/arm/mach-at91/include/mach/uncompress.h
View File

@ -24,8 +24,10 @@
#include <linux/io.h>
#include <linux/atmel_serial.h>
#if defined(CONFIG_AT91_EARLY_DBGU)
#define UART_OFFSET (AT91_DBGU + AT91_BASE_SYS)
#if defined(CONFIG_AT91_EARLY_DBGU0)
#define UART_OFFSET AT91_BASE_DBGU0
#elif defined(CONFIG_AT91_EARLY_DBGU1)
#define UART_OFFSET AT91_BASE_DBGU1
#elif defined(CONFIG_AT91_EARLY_USART0)
#define UART_OFFSET AT91_USART0
#elif defined(CONFIG_AT91_EARLY_USART1)

7
arch/arm/mach-at91/setup.c
View File

@ -93,9 +93,6 @@ void at91_iounmap(volatile void __iomem *addr)
}
EXPORT_SYMBOL(at91_iounmap);
#define AT91_DBGU0 0xfffff200
#define AT91_DBGU1 0xffffee00
static void __init soc_detect(u32 dbgu_base)
{
u32 cidr, socid;
@ -268,9 +265,9 @@ void __init at91_map_io(void)
at91_soc_initdata.type = AT91_SOC_NONE;
at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
soc_detect(AT91_DBGU0);
soc_detect(AT91_BASE_DBGU0);
if (!at91_soc_is_detected())
soc_detect(AT91_DBGU1);
soc_detect(AT91_BASE_DBGU1);
if (!at91_soc_is_detected())
panic("AT91: Impossible to detect the SOC type");