[PATCH] ARM: OMAP: debug_ll: Use Kconfig UART base address
Alexander Shiyan
eagle.alexander923 at gmail.com
Thu May 5 00:36:04 PDT 2022
Signed-off-by: Alexander Shiyan <eagle.alexander923 at gmail.com>
---
arch/arm/boards/afi-gf/lowlevel.c | 2 +-
arch/arm/boards/beagle/lowlevel.c | 2 +-
arch/arm/boards/beaglebone/lowlevel.c | 2 +-
arch/arm/boards/myirtech-x335x/lowlevel.c | 2 +-
arch/arm/boards/phytec-som-am335x/lowlevel.c | 2 +-
arch/arm/boards/vscom-baltos/lowlevel.c | 2 +-
arch/arm/boards/wago-pfc-am35xx/lowlevel.c | 2 +-
arch/arm/mach-omap/include/mach/debug_ll.h | 43 ++++++++++++--------
8 files changed, 33 insertions(+), 24 deletions(-)
diff --git a/arch/arm/boards/afi-gf/lowlevel.c b/arch/arm/boards/afi-gf/lowlevel.c
index de40f6c5af..9e86b29b2d 100644
--- a/arch/arm/boards/afi-gf/lowlevel.c
+++ b/arch/arm/boards/afi-gf/lowlevel.c
@@ -230,7 +230,7 @@ static noinline int gf_sram_init(void)
am33xx_uart_soft_reset((void *)AM33XX_UART2_BASE);
am33xx_enable_uart2_pin_mux();
- omap_uart_lowlevel_init((void *)AM33XX_UART2_BASE);
+ omap_uart_lowlevel_init();
putc_ll('>');
barebox_arm_entry(0x80000000, SZ_256M, fdt);
diff --git a/arch/arm/boards/beagle/lowlevel.c b/arch/arm/boards/beagle/lowlevel.c
index 683ab552f4..c64a2114d4 100644
--- a/arch/arm/boards/beagle/lowlevel.c
+++ b/arch/arm/boards/beagle/lowlevel.c
@@ -196,7 +196,7 @@ static noinline int beagle_board_init(void)
mux_config();
- omap_uart_lowlevel_init((void *)OMAP3_UART3_BASE);
+ omap_uart_lowlevel_init();
/* Dont reconfigure SDRAM while running in SDRAM! */
if (!in_sdram)
diff --git a/arch/arm/boards/beaglebone/lowlevel.c b/arch/arm/boards/beaglebone/lowlevel.c
index 544e396e03..365ba64a79 100644
--- a/arch/arm/boards/beaglebone/lowlevel.c
+++ b/arch/arm/boards/beaglebone/lowlevel.c
@@ -139,7 +139,7 @@ static noinline int beaglebone_sram_init(void)
am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE);
am33xx_enable_uart0_pin_mux();
- omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
+ omap_uart_lowlevel_init();
putc_ll('>');
barebox_arm_entry(0x80000000, sdram_size, fdt);
diff --git a/arch/arm/boards/myirtech-x335x/lowlevel.c b/arch/arm/boards/myirtech-x335x/lowlevel.c
index 1a883da203..da47300d81 100644
--- a/arch/arm/boards/myirtech-x335x/lowlevel.c
+++ b/arch/arm/boards/myirtech-x335x/lowlevel.c
@@ -98,7 +98,7 @@ ENTRY_FUNCTION(start_am33xx_myirtech_sram, bootinfo, r1, r2)
if (IS_ENABLED(CONFIG_DEBUG_LL)) {
am33xx_uart_soft_reset(IOMEM(AM33XX_UART0_BASE));
am33xx_enable_uart0_pin_mux();
- omap_uart_lowlevel_init(IOMEM(AM33XX_UART0_BASE));
+ omap_uart_lowlevel_init();
putc_ll('>');
}
diff --git a/arch/arm/boards/phytec-som-am335x/lowlevel.c b/arch/arm/boards/phytec-som-am335x/lowlevel.c
index bffb3ad880..e4f3edd211 100644
--- a/arch/arm/boards/phytec-som-am335x/lowlevel.c
+++ b/arch/arm/boards/phytec-som-am335x/lowlevel.c
@@ -172,7 +172,7 @@ static noinline void physom_board_init(void *fdt, int sdram, int module_family)
am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE);
am33xx_enable_uart0_pin_mux();
- omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
+ omap_uart_lowlevel_init();
putc_ll('>');
am335x_barebox_entry(fdt);
diff --git a/arch/arm/boards/vscom-baltos/lowlevel.c b/arch/arm/boards/vscom-baltos/lowlevel.c
index 7da2f92efb..2401cf20c4 100644
--- a/arch/arm/boards/vscom-baltos/lowlevel.c
+++ b/arch/arm/boards/vscom-baltos/lowlevel.c
@@ -104,7 +104,7 @@ static noinline void baltos_sram_init(void)
am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE);
am33xx_enable_uart0_pin_mux();
- omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
+ omap_uart_lowlevel_init();
putc_ll('>');
am335x_barebox_entry(fdt);
diff --git a/arch/arm/boards/wago-pfc-am35xx/lowlevel.c b/arch/arm/boards/wago-pfc-am35xx/lowlevel.c
index 7da8fd0331..6a7f350dda 100644
--- a/arch/arm/boards/wago-pfc-am35xx/lowlevel.c
+++ b/arch/arm/boards/wago-pfc-am35xx/lowlevel.c
@@ -185,7 +185,7 @@ static noinline void pfc200_board_init(void)
if (IS_ENABLED(CONFIG_DEBUG_LL)) {
am33xx_uart_soft_reset(IOMEM(OMAP3_UART3_BASE));
- omap_uart_lowlevel_init(IOMEM(OMAP3_UART3_BASE));
+ omap_uart_lowlevel_init();
putc_ll('>');
}
diff --git a/arch/arm/mach-omap/include/mach/debug_ll.h b/arch/arm/mach-omap/include/mach/debug_ll.h
index 25ddd485be..30a0d830c3 100644
--- a/arch/arm/mach-omap/include/mach/debug_ll.h
+++ b/arch/arm/mach-omap/include/mach/debug_ll.h
@@ -22,6 +22,8 @@
#include <mach/omap4-silicon.h>
#include <mach/am33xx-silicon.h>
+#ifdef CONFIG_DEBUG_LL
+
#define LSR_THRE 0x20 /* Xmit holding register empty */
#define LCR_BKSE 0x80 /* Bank select enable */
#define LSR (5 << 2)
@@ -34,22 +36,6 @@
#define MCR (4 << 2)
#define MDR (8 << 2)
-static inline void omap_uart_lowlevel_init(void __iomem *base)
-{
- writeb(0x00, base + LCR);
- writeb(0x00, base + IER);
- writeb(0x07, base + MDR);
- writeb(LCR_BKSE, base + LCR);
- writeb(26, base + DLL); /* 115200 */
- writeb(0, base + DLM);
- writeb(0x03, base + LCR);
- writeb(0x03, base + MCR);
- writeb(0x07, base + FCR);
- writeb(0x00, base + MDR);
-}
-
-#ifdef CONFIG_DEBUG_LL
-
#ifdef CONFIG_DEBUG_OMAP3_UART
#define OMAP_DEBUG_SOC OMAP3
#elif defined CONFIG_DEBUG_OMAP4_UART
@@ -63,6 +49,23 @@ static inline void omap_uart_lowlevel_init(void __iomem *base)
#define __OMAP_UART_BASE(soc, num) soc##_UART##num##_BASE
#define OMAP_UART_BASE(soc, num) __OMAP_UART_BASE(soc, num)
+static inline void omap_uart_lowlevel_init(void)
+{
+ void __iomem *base = (void *)OMAP_UART_BASE(OMAP_DEBUG_SOC,
+ CONFIG_DEBUG_OMAP_UART_PORT);
+
+ writeb(0x00, base + LCR);
+ writeb(0x00, base + IER);
+ writeb(0x07, base + MDR);
+ writeb(LCR_BKSE, base + LCR);
+ writeb(26, base + DLL); /* 115200 */
+ writeb(0, base + DLM);
+ writeb(0x03, base + LCR);
+ writeb(0x03, base + MCR);
+ writeb(0x07, base + FCR);
+ writeb(0x00, base + MDR);
+}
+
static inline void PUTC_LL(char c)
{
void __iomem *base = (void *)OMAP_UART_BASE(OMAP_DEBUG_SOC,
@@ -75,6 +78,12 @@ static inline void PUTC_LL(char c)
/* Wait to make sure it hits the line, in case we die too soon. */
while ((readb(base + LSR) & LSR_THRE) == 0);
}
-#endif
+#else /* CONFIG_DEBUG_LL */
+
+static inline void omap_uart_lowlevel_init(void)
+{
+}
+
+#endif /* CONFIG_DEBUG_LL */
#endif
--
2.32.0
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