[PATCH 1/2] ARM: am33xx: Pass uart_base to soft_reset function

Sascha Hauer s.hauer at pengutronix.de
Thu May 15 01:54:07 PDT 2014


To make am33xx_uart0_soft_reset more flexible rename it to
am33xx_uart_soft_reset and pass the UART base to it.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/boards/beaglebone/lowlevel.c            |  2 +-
 arch/arm/boards/phytec-phycore-am335x/lowlevel.c |  2 +-
 arch/arm/mach-omap/am33xx_generic.c              | 12 ++++++------
 arch/arm/mach-omap/include/mach/am33xx-silicon.h |  2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boards/beaglebone/lowlevel.c b/arch/arm/boards/beaglebone/lowlevel.c
index 66fd371..350e3ff 100644
--- a/arch/arm/boards/beaglebone/lowlevel.c
+++ b/arch/arm/boards/beaglebone/lowlevel.c
@@ -147,7 +147,7 @@ static noinline int beaglebone_sram_init(void)
 				&ddr2_data);
 	}
 
-	am33xx_uart0_soft_reset();
+	am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE);
 	am33xx_enable_uart0_pin_mux();
 	omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
 	putc_ll('>');
diff --git a/arch/arm/boards/phytec-phycore-am335x/lowlevel.c b/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
index f04961d..a0ba86a 100644
--- a/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
+++ b/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
@@ -76,7 +76,7 @@ static noinline void pcm051_board_init(void)
 			&MT41J256M8HX15E_2x256M8_regs,
 			&MT41J256M8HX15E_2x256M8_data);
 
-	am33xx_uart0_soft_reset();
+	am33xx_uart_soft_reset((void *)AM33XX_UART0_BASE);
 	am33xx_enable_uart0_pin_mux();
 	omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
 	putc_ll('>');
diff --git a/arch/arm/mach-omap/am33xx_generic.c b/arch/arm/mach-omap/am33xx_generic.c
index cee817e..1b53c06 100644
--- a/arch/arm/mach-omap/am33xx_generic.c
+++ b/arch/arm/mach-omap/am33xx_generic.c
@@ -226,22 +226,22 @@ int am33xx_devices_init(void)
 #define UART_RESET		(0x1 << 1)
 #define UART_SMART_IDLE_EN	(0x1 << 0x3)
 
-void am33xx_uart0_soft_reset(void)
+void am33xx_uart_soft_reset(void __iomem *uart_base)
 {
 	int reg;
 
-	reg = readl(AM33XX_UART0_BASE + UART_SYSCFG_OFFSET);
+	reg = readl(uart_base + UART_SYSCFG_OFFSET);
 	reg |= UART_RESET;
-	writel(reg, (AM33XX_UART0_BASE + UART_SYSCFG_OFFSET));
+	writel(reg, (uart_base + UART_SYSCFG_OFFSET));
 
-	while ((readl(AM33XX_UART0_BASE + UART_SYSSTS_OFFSET) &
+	while ((readl(uart_base + UART_SYSSTS_OFFSET) &
 		UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
 		;
 
 	/* Disable smart idle */
-	reg = readl((AM33XX_UART0_BASE + UART_SYSCFG_OFFSET));
+	reg = readl((uart_base + UART_SYSCFG_OFFSET));
 	reg |= UART_SMART_IDLE_EN;
-	writel(reg, (AM33XX_UART0_BASE + UART_SYSCFG_OFFSET));
+	writel(reg, (uart_base + UART_SYSCFG_OFFSET));
 }
 
 
diff --git a/arch/arm/mach-omap/include/mach/am33xx-silicon.h b/arch/arm/mach-omap/include/mach/am33xx-silicon.h
index 16e665f..20b8e81 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-silicon.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-silicon.h
@@ -228,7 +228,7 @@ struct am33xx_ddr_data {
 	u32 dll_lock_diff0;
 };
 
-void am33xx_uart0_soft_reset(void);
+void am33xx_uart_soft_reset(void __iomem *uart_base);
 void am33xx_config_vtp(void);
 void am33xx_ddr_phydata_cmd_macro(const struct am33xx_cmd_control *cmd_ctrl);
 void am33xx_config_io_ctrl(int ioctrl);
-- 
2.0.0.rc0




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