static void ttyS0_init(void)
{
- static const unsigned char div[8] = { 1, 2, 3, 6, 12, 24, 48, 96 };
- int b_index = 0;
- /* TODO the divisor calculation is hard coded to standard UARTs. Some
- * UARTs won't work with these values. This should be a property of the
- * UART used, worst case a Kconfig variable. For now live with hard
- * codes as the only devices that might be different are the iWave
- * iRainbowG6 and the OXPCIe952 card (and the latter is memory mapped)
- */
- unsigned int divisor = 115200 / CONFIG_TTYS0_BAUD;
-
- if (get_option(&b_index, "baud_rate") == 0) {
- divisor = div[b_index];
- }
- uart8250_init(CONFIG_TTYS0_BASE, divisor);
+ uart_init();
}
static void ttyS0_tx_byte(unsigned char data)
outb(CONFIG_TTYS0_LCS, base_port + UART_LCR);
}
-#if defined(__PRE_RAM__) || defined(__SMM__)
void uart_init(void)
{
/* TODO the divisor calculation is hard coded to standard UARTs. Some
* codes as the only devices that might be different are the iWave
* iRainbowG6 and the OXPCIe952 card (and the latter is memory mapped)
*/
-#if CONFIG_USE_OPTION_TABLE && !defined(__SMM__)
- static const unsigned char divisor[] = { 1, 2, 3, 6, 12, 24, 48, 96 };
- unsigned ttys0_div, ttys0_index;
- ttys0_index = read_option(CMOS_VSTART_baud_rate, CMOS_VLEN_baud_rate, 0);
- ttys0_index &= 7;
- ttys0_div = divisor[ttys0_index];
-
- uart8250_init(CONFIG_TTYS0_BASE, ttys0_div);
+ unsigned int div = (115200 / CONFIG_TTYS0_BAUD);
+
+#if !defined(__SMM__) && CONFIG_USE_OPTION_TABLE
+ static const unsigned char divisor[8] = { 1, 2, 3, 6, 12, 24, 48, 96 };
+ unsigned b_index = 0;
+#if defined(__PRE_RAM__)
+ b_index = read_option(CMOS_VSTART_baud_rate, CMOS_VLEN_baud_rate, 0);
+ b_index &= 7;
+ div = divisor[ttys0_index];
#else
- uart8250_init(CONFIG_TTYS0_BASE, (115200 / CONFIG_TTYS0_BAUD));
+ if (get_option(&b_index, "baud_rate") == 0) {
+ div = divisor[b_index];
+ }
#endif
-}
#endif
+
+ uart8250_init(CONFIG_TTYS0_BASE, div);
+}