summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/serial.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
-rw-r--r--arch/arm/mach-omap2/serial.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index d17960a1be25..9dc077e2d8af 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -169,9 +169,9 @@ static inline void serial_write_reg(struct omap_uart_state *uart, int offset,
static inline void __init omap_uart_reset(struct omap_uart_state *uart)
{
- serial_write_reg(uart, UART_OMAP_MDR1, 0x07);
+ serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_DISABLE);
serial_write_reg(uart, UART_OMAP_SCR, 0x08);
- serial_write_reg(uart, UART_OMAP_MDR1, 0x00);
+ serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_16X_MODE);
}
#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
@@ -219,7 +219,7 @@ static void omap_uart_save_context(struct omap_uart_state *uart)
return;
lcr = serial_read_reg(uart, UART_LCR);
- serial_write_reg(uart, UART_LCR, 0xBF);
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
uart->dll = serial_read_reg(uart, UART_DLL);
uart->dlh = serial_read_reg(uart, UART_DLM);
serial_write_reg(uart, UART_LCR, lcr);
@@ -227,7 +227,7 @@ static void omap_uart_save_context(struct omap_uart_state *uart)
uart->sysc = serial_read_reg(uart, UART_OMAP_SYSC);
uart->scr = serial_read_reg(uart, UART_OMAP_SCR);
uart->wer = serial_read_reg(uart, UART_OMAP_WER);
- serial_write_reg(uart, UART_LCR, 0x80);
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_A);
uart->mcr = serial_read_reg(uart, UART_MCR);
serial_write_reg(uart, UART_LCR, lcr);
@@ -247,32 +247,35 @@ static void omap_uart_restore_context(struct omap_uart_state *uart)
uart->context_valid = 0;
if (uart->errata & UART_ERRATA_i202_MDR1_ACCESS)
- omap_uart_mdr1_errataset(uart, 0x07, 0xA0);
+ omap_uart_mdr1_errataset(uart, UART_OMAP_MDR1_DISABLE, 0xA0);
else
- serial_write_reg(uart, UART_OMAP_MDR1, 0x7);
- serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+ serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_DISABLE);
+
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
efr = serial_read_reg(uart, UART_EFR);
serial_write_reg(uart, UART_EFR, UART_EFR_ECB);
serial_write_reg(uart, UART_LCR, 0x0); /* Operational mode */
serial_write_reg(uart, UART_IER, 0x0);
- serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
serial_write_reg(uart, UART_DLL, uart->dll);
serial_write_reg(uart, UART_DLM, uart->dlh);
serial_write_reg(uart, UART_LCR, 0x0); /* Operational mode */
serial_write_reg(uart, UART_IER, uart->ier);
- serial_write_reg(uart, UART_LCR, 0x80);
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_A);
serial_write_reg(uart, UART_MCR, uart->mcr);
- serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+ serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
serial_write_reg(uart, UART_EFR, efr);
serial_write_reg(uart, UART_LCR, UART_LCR_WLEN8);
serial_write_reg(uart, UART_OMAP_SCR, uart->scr);
serial_write_reg(uart, UART_OMAP_WER, uart->wer);
serial_write_reg(uart, UART_OMAP_SYSC, uart->sysc);
+
if (uart->errata & UART_ERRATA_i202_MDR1_ACCESS)
- omap_uart_mdr1_errataset(uart, 0x00, 0xA1);
+ omap_uart_mdr1_errataset(uart, UART_OMAP_MDR1_16X_MODE, 0xA1);
else
/* UART 16x mode */
- serial_write_reg(uart, UART_OMAP_MDR1, 0x00);
+ serial_write_reg(uart, UART_OMAP_MDR1,
+ UART_OMAP_MDR1_16X_MODE);
}
#else
static inline void omap_uart_save_context(struct omap_uart_state *uart) {}
OpenPOWER on IntegriCloud