diff options
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
| -rw-r--r-- | arch/arm/mach-omap2/serial.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index d17960a1be25..fa9806250b50 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) @@ -247,9 +247,10 @@ 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_OMAP_MDR1, UART_OMAP_MDR1_DISABLE); + serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */ efr = serial_read_reg(uart, UART_EFR); serial_write_reg(uart, UART_EFR, UART_EFR_ECB); @@ -268,11 +269,13 @@ static void omap_uart_restore_context(struct omap_uart_state *uart) 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) {} |