at91: remove AT91_DBGU offset from dbgu register macro

to make the soc base specified at runtime instead of compiled time

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 164873f..57974b1 100644 (file)
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -324,7 +324,7 @@ static void __init at91sam9xe_map_io(void)
 {
        unsigned long cidr, sram_size;
 
-       cidr = at91_sys_read(AT91_DBGU_CIDR);
+       cidr = dbgu_readl(AT91_DBGU, CIDR);
 
        switch (cidr & AT91_CIDR_SRAMSIZ) {
                case AT91_CIDR_SRAMSIZ_32K:

diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 9c87bac..0788adb 100644 (file)
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -283,7 +283,7 @@ static void __init at91sam9rl_map_io(void)
 {
        unsigned long cidr, sram_size;
 
-       cidr = at91_sys_read(AT91_DBGU_CIDR);
+       cidr = dbgu_readl(AT91_DBGU, CIDR);
 
        switch (cidr & AT91_CIDR_SRAMSIZ) {
                case AT91_CIDR_SRAMSIZ_32K:

diff --git a/arch/arm/mach-at91/include/mach/at91_dbgu.h b/arch/arm/mach-at91/include/mach/at91_dbgu.h
index 6dcaa77..dbfe455 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91_dbgu.h
+++ b/arch/arm/mach-at91/include/mach/at91_dbgu.h
@@ -16,22 +16,25 @@
 #ifndef AT91_DBGU_H
 #define AT91_DBGU_H
 
+#define dbgu_readl(dbgu, field) \
+       __raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field)
+
 #ifdef AT91_DBGU
-#define AT91_DBGU_CR           (AT91_DBGU + 0x00)      /* Control Register */
-#define AT91_DBGU_MR           (AT91_DBGU + 0x04)      /* Mode Register */
-#define AT91_DBGU_IER          (AT91_DBGU + 0x08)      /* Interrupt Enable Register */
+#define AT91_DBGU_CR           (0x00)  /* Control Register */
+#define AT91_DBGU_MR           (0x04)  /* Mode Register */
+#define AT91_DBGU_IER          (0x08)  /* Interrupt Enable Register */
 #define                AT91_DBGU_TXRDY         (1 << 1)                /* Transmitter Ready */
 #define                AT91_DBGU_TXEMPTY       (1 << 9)                /* Transmitter Empty */
-#define AT91_DBGU_IDR          (AT91_DBGU + 0x0c)      /* Interrupt Disable Register */
-#define AT91_DBGU_IMR          (AT91_DBGU + 0x10)      /* Interrupt Mask Register */
-#define AT91_DBGU_SR           (AT91_DBGU + 0x14)      /* Status Register */
-#define AT91_DBGU_RHR          (AT91_DBGU + 0x18)      /* Receiver Holding Register */
-#define AT91_DBGU_THR          (AT91_DBGU + 0x1c)      /* Transmitter Holding Register */
-#define AT91_DBGU_BRGR         (AT91_DBGU + 0x20)      /* Baud Rate Generator Register */
+#define AT91_DBGU_IDR          (0x0c)  /* Interrupt Disable Register */
+#define AT91_DBGU_IMR          (0x10)  /* Interrupt Mask Register */
+#define AT91_DBGU_SR           (0x14)  /* Status Register */
+#define AT91_DBGU_RHR          (0x18)  /* Receiver Holding Register */
+#define AT91_DBGU_THR          (0x1c)  /* Transmitter Holding Register */
+#define AT91_DBGU_BRGR         (0x20)  /* Baud Rate Generator Register */
 
-#define AT91_DBGU_CIDR         (AT91_DBGU + 0x40)      /* Chip ID Register */
-#define AT91_DBGU_EXID         (AT91_DBGU + 0x44)      /* Chip ID Extension Register */
-#define AT91_DBGU_FNR          (AT91_DBGU + 0x48)      /* Force NTRST Register [SAM9 only] */
+#define AT91_DBGU_CIDR         (0x40)  /* Chip ID Register */
+#define AT91_DBGU_EXID         (0x44)  /* Chip ID Extension Register */
+#define AT91_DBGU_FNR          (0x48)  /* Force NTRST Register [SAM9 only] */
 #define                AT91_DBGU_FNTRST        (1 << 0)                /* Force NTRST */
 
 #endif /* AT91_DBGU */

diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index df966c2..3cf6919 100644 (file)
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -41,12 +41,12 @@
 
 static inline unsigned long at91_cpu_identify(void)
 {
-       return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
+       return (dbgu_readl(AT91_DBGU, CIDR) & ~AT91_CIDR_VERSION);
 }
 
 static inline unsigned long at91_cpu_fully_identify(void)
 {
-       return at91_sys_read(AT91_DBGU_CIDR);
+       return dbgu_readl(AT91_DBGU, CIDR);
 }
 
 #define ARCH_EXID_AT91SAM9M11  0x00000001
@@ -62,7 +62,7 @@ static inline unsigned long at91_cpu_fully_identify(void)
 
 static inline unsigned long at91_exid_identify(void)
 {
-       return at91_sys_read(AT91_DBGU_EXID);
+       return dbgu_readl(AT91_DBGU, EXID);
 }
 
 
@@ -72,7 +72,7 @@ static inline unsigned long at91_exid_identify(void)
 
 static inline unsigned long at91_arch_identify(void)
 {
-       return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
+       return (dbgu_readl(AT91_DBGU, CIDR) & AT91_CIDR_ARCH);
 }
 
 #ifdef CONFIG_ARCH_AT91CAP9

diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
index 0f959fa..bc1e0b2 100644 (file)
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -15,23 +15,23 @@
 #include <mach/at91_dbgu.h>
 
        .macro  addruart, rp, rv
-       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_BASE_SYS + AT91_DBGU)       @ System peripherals (phys address)
+       ldr     \rv, =(AT91_VA_BASE_SYS + AT91_DBGU)    @ System peripherals (virt address)
        .endm
 
        .macro  senduart,rd,rx
-       strb    \rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)]        @ Write to Transmitter Holding Register
+       strb    \rd, [\rx, #(AT91_DBGU_THR)]            @ Write to Transmitter Holding Register
        .endm
 
        .macro  waituart,rd,rx
-1001:  ldr     \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)]         @ Read Status Register
-       tst     \rd, #AT91_DBGU_TXRDY                           @ DBGU_TXRDY = 1 when ready to transmit
+1001:  ldr     \rd, [\rx, #(AT91_DBGU_SR)]             @ Read Status Register
+       tst     \rd, #AT91_DBGU_TXRDY                   @ DBGU_TXRDY = 1 when ready to transmit
        beq     1001b
        .endm
 
        .macro  busyuart,rd,rx
-1001:  ldr     \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)]         @ Read Status Register
-       tst     \rd, #AT91_DBGU_TXEMPTY                         @ DBGU_TXEMPTY = 1 when transmission complete
+1001:  ldr     \rd, [\rx, #(AT91_DBGU_SR)]             @ Read Status Register
+       tst     \rd, #AT91_DBGU_TXEMPTY                 @ DBGU_TXEMPTY = 1 when transmission complete
        beq     1001b
        .endm