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Diffstat (limited to 'src/soc/samsung/exynos5420')
-rw-r--r--src/soc/samsung/exynos5420/uart.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/src/soc/samsung/exynos5420/uart.c b/src/soc/samsung/exynos5420/uart.c
index 732a85e7a9..c7a0649f5d 100644
--- a/src/soc/samsung/exynos5420/uart.c
+++ b/src/soc/samsung/exynos5420/uart.c
@@ -13,34 +13,6 @@
#define RX_FIFO_FULL_MASK (1 << 8)
#define TX_FIFO_FULL_MASK (1 << 24)
-#if 0
-/*
- * The coefficient, used to calculate the baudrate on S5P UARTs is
- * calculated as
- * C = UBRDIV * 16 + number_of_set_bits_in_UDIVSLOT
- * however, section 31.6.11 of the datasheet doesn't recommend using 1 for 1,
- * 3 for 2, ... (2^n - 1) for n, instead, they suggest using these constants:
- */
-static const int udivslot[] = {
- 0,
- 0x0080,
- 0x0808,
- 0x0888,
- 0x2222,
- 0x4924,
- 0x4a52,
- 0x54aa,
- 0x5555,
- 0xd555,
- 0xd5d5,
- 0xddd5,
- 0xdddd,
- 0xdfdd,
- 0xdfdf,
- 0xffdf,
-};
-#endif
-
static void serial_setbrg_dev(struct s5p_uart *uart)
{
u32 uclk;
@@ -51,18 +23,6 @@ static void serial_setbrg_dev(struct s5p_uart *uart)
val = uclk / get_uart_baudrate();
write32(&uart->ubrdiv, val / 16 - 1);
-
- /*
- * FIXME(dhendrix): the original uart.h had a "br_rest" value which
- * does not seem relevant to the exynos5420... not entirely sure
- * where/if we need to worry about it here
- */
-#if 0
- if (s5p_uart_divslot())
- writel(udivslot[val % 16], &uart->rest.slot);
- else
- writeb(val % 16, &uart->rest.value);
-#endif
}
/*