aboutsummaryrefslogtreecommitdiff
path: root/src/soc/samsung/exynos5250/uart.c
diff options
context:
space:
mode:
authorAngel Pons <th3fanbus@gmail.com>2020-07-07 22:09:08 +0200
committerMichael Niewöhner <c0d3z3r0@review.coreboot.org>2020-07-09 21:28:25 +0000
commit5532d93990fbb1d780224d5a971412e19c18fb1b (patch)
treefa29ad21bf611c11ecf2c00ea3fc98f091759c34 /src/soc/samsung/exynos5250/uart.c
parent4a1938f186091ea69fb8dcf480477eb5259573da (diff)
soc/samsung/exynos5250: Drop dead code
This code is not even being build-tested. Drop it before it grows moss. Change-Id: I4772680875b20308e57da073bbcdc4597aeed893 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43215 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/samsung/exynos5250/uart.c')
-rw-r--r--src/soc/samsung/exynos5250/uart.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/src/soc/samsung/exynos5250/uart.c b/src/soc/samsung/exynos5250/uart.c
index b3dd37e939..326312576b 100644
--- a/src/soc/samsung/exynos5250/uart.c
+++ b/src/soc/samsung/exynos5250/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 exynos5250... 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
}
/*