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authorTomasz Figa <t.figa@samsung.com>2014-03-17 18:28:09 -0400
committerKukjin Kim <kgene.kim@samsung.com>2014-03-20 15:06:11 -0400
commit99b2fc2b8b40256538332769f11f2fe6ee942f6c (patch)
tree7303be5f6d13dc66e07c14f8da99e2593d87ce0e /arch/arm/plat-samsung
parentde7fe0807c08553b88028d039861a4b8ad04fc62 (diff)
ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
This patch modifies Samsung PM debug helpers to use a multiplatform friendly way of getting base address of debug UART port, so instead of using a per-mach static macro, a generic debug_ll_addr() helper is used. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/pm.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 3563421d63ab..c7fac34de621 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -22,6 +22,7 @@
22#include <linux/io.h> 22#include <linux/io.h>
23 23
24#include <asm/cacheflush.h> 24#include <asm/cacheflush.h>
25#include <asm/mach/map.h>
25#include <asm/suspend.h> 26#include <asm/suspend.h>
26 27
27#include <plat/cpu.h> 28#include <plat/cpu.h>
@@ -74,9 +75,19 @@ static inline void s3c_pm_debug_init(void)
74 75
75static struct pm_uart_save uart_save; 76static struct pm_uart_save uart_save;
76 77
78static inline void __iomem *s3c_pm_uart_base(void)
79{
80 unsigned long paddr;
81 unsigned long vaddr;
82
83 debug_ll_addr(&paddr, &vaddr);
84
85 return (void __iomem *)vaddr;
86}
87
77static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save) 88static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
78{ 89{
79 void __iomem *regs = S3C_VA_UARTx(uart); 90 void __iomem *regs = s3c_pm_uart_base();
80 91
81 save->ulcon = __raw_readl(regs + S3C2410_ULCON); 92 save->ulcon = __raw_readl(regs + S3C2410_ULCON);
82 save->ucon = __raw_readl(regs + S3C2410_UCON); 93 save->ucon = __raw_readl(regs + S3C2410_UCON);
@@ -98,7 +109,7 @@ static void s3c_pm_save_uarts(void)
98 109
99static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save) 110static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
100{ 111{
101 void __iomem *regs = S3C_VA_UARTx(uart); 112 void __iomem *regs = s3c_pm_uart_base();
102 113
103 s3c_pm_arch_update_uart(regs, save); 114 s3c_pm_arch_update_uart(regs, save);
104 115