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ARM: rmobile: salvator-x: Adjust UART clock

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The UART uses internal SCIF clock except on R8A7795 H3 WS1.0 .
Use the internal clock and ignore the early version of the chip.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Marek Vasut 2017-05-13 15:57:45 +02:00 committed by Nobuhiro Iwamatsu
parent 60c48e42a0
commit 8474681c3e
3 changed files with 6 additions and 4 deletions
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4
board/renesas/salvator-x/salvator-x.c
View file

@ -109,8 +109,8 @@ void reset_cpu(ulong addr)
static const struct sh_serial_platdata serial_platdata = {
.base = SCIF2_BASE,
.type = PORT_SCIF,
.clk = 14745600, /* 0xE10000 */
.clk_mode = EXT_CLK,
.clk = CONFIG_SH_SCIF_CLK_FREQ,
.clk_mode = INT_CLK,
};
U_BOOT_DEVICE(salvator_x_scif2) = {

5
include/configs/salvator-x.h
View file

@ -20,7 +20,7 @@
#define CONFIG_SCIF_CONSOLE
#define CONFIG_CONS_SCIF2
#define CONFIG_CONS_INDEX 2
#define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ
#define CONFIG_SH_SCIF_CLK_FREQ CONFIG_S3D4_CLK_FREQ
/* [A] Hyper Flash */
/* use to RPC(SPI Multi I/O Bus Controller) */
@ -31,10 +31,11 @@
#define RCAR_XTAL_CLK 33333333u
#define CONFIG_SYS_CLK_FREQ RCAR_XTAL_CLK
/* ch0to2 CPclk, ch3to11 S3D2_PEREclk, ch12to14 S3D2_RTclk */
/* CPclk 16.66MHz, S3D2 133.33MHz */
/* CPclk 16.66MHz, S3D2 133.33MHz , S3D4 66.66MHz */
#define CONFIG_CP_CLK_FREQ (CONFIG_SYS_CLK_FREQ / 2)
#define CONFIG_PLL1_CLK_FREQ (CONFIG_SYS_CLK_FREQ * 192 / 2)
#define CONFIG_S3D2_CLK_FREQ (266666666u/2)
#define CONFIG_S3D4_CLK_FREQ (266666666u/4)
/* Generic Timer Definitions (use in assembler source) */
#define COUNTER_FREQUENCY 0xFE502A /* 16.66MHz from CPclk */

1
scripts/config_whitelist.txt
View file

@ -2371,6 +2371,7 @@ CONFIG_S3C24XX_TACLS
CONFIG_S3C24XX_TWRPH0
CONFIG_S3C24XX_TWRPH1
CONFIG_S3D2_CLK_FREQ
CONFIG_S3D4_CLK_FREQ
CONFIG_S5P
CONFIG_S5PC100
CONFIG_S5PC110