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Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
-rw-r--r--arch/arm/mach-omap2/serial.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 302da7403a1..1ac361b7b8c 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -486,7 +486,7 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
mod_timer(&uart->timer, jiffies + uart->timeout);
omap_uart_smart_idle_enable(uart, 0);
- if (cpu_is_omap34xx()) {
+ if (cpu_is_omap34xx() && !cpu_is_ti816x()) {
u32 mod = (uart->num > 1) ? OMAP3430_PER_MOD : CORE_MOD;
u32 wk_mask = 0;
u32 padconf = 0;
@@ -655,7 +655,7 @@ static void serial_out_override(struct uart_port *up, int offset, int value)
}
#endif
-void __init omap_serial_early_init(void)
+static int __init omap_serial_early_init(void)
{
int i = 0;
@@ -672,7 +672,7 @@ void __init omap_serial_early_init(void)
uart = kzalloc(sizeof(struct omap_uart_state), GFP_KERNEL);
if (WARN_ON(!uart))
- return;
+ return -ENODEV;
uart->oh = oh;
uart->num = i++;
@@ -680,7 +680,7 @@ void __init omap_serial_early_init(void)
num_uarts++;
/*
- * NOTE: omap_hwmod_init() has not yet been called,
+ * NOTE: omap_hwmod_setup*() has not yet been called,
* so no hwmod functions will work yet.
*/
@@ -691,7 +691,10 @@ void __init omap_serial_early_init(void)
*/
uart->oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET;
} while (1);
+
+ return 0;
}
+core_initcall(omap_serial_early_init);
/**
* omap_serial_init_port() - initialize single serial port
@@ -759,13 +762,13 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
p->private_data = uart;
/*
- * omap44xx: Never read empty UART fifo
+ * omap44xx, ti816x: Never read empty UART fifo
* omap3xxx: Never read empty UART fifo on UARTs
* with IP rev >=0x52
*/
uart->regshift = p->regshift;
uart->membase = p->membase;
- if (cpu_is_omap44xx())
+ if (cpu_is_omap44xx() || cpu_is_ti816x())
uart->errata |= UART_ERRATA_FIFO_FULL_ABORT;
else if ((serial_read_reg(uart, UART_OMAP_MVER) & 0xFF)
>= UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV)
@@ -812,7 +815,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
oh->dev_attr = uart;
- acquire_console_sem(); /* in case the earlycon is on the UART */
+ console_lock(); /* in case the earlycon is on the UART */
/*
* Because of early UART probing, UART did not get idled
@@ -838,7 +841,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
omap_uart_block_sleep(uart);
uart->timeout = DEFAULT_TIMEOUT;
- release_console_sem();
+ console_unlock();
if ((cpu_is_omap34xx() && uart->padconf) ||
(uart->wk_en && uart->wk_mask)) {
@@ -847,7 +850,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
}
/* Enable the MDR1 errata for OMAP3 */
- if (cpu_is_omap34xx())
+ if (cpu_is_omap34xx() && !cpu_is_ti816x())
uart->errata |= UART_ERRATA_i202_MDR1_ACCESS;
}