From: Magnus Damm <magnus.damm@gmail.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH] sh: sh7785lcr clock fixes
Date: Thu, 07 May 2009 10:48:13 +0000 [thread overview]
Message-ID: <20090507104813.31966.8510.sendpatchset@rx1.opensource.se> (raw)
From: Magnus Damm <damm@igel.co.jp>
Update the sh7785lcr board defconfigs to fix
PCLK values and add mode4 run time check.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
---
arch/sh/boards/board-sh7785lcr.c | 10 ++++++++++
arch/sh/configs/sh7785lcr_32bit_defconfig | 2 +-
arch/sh/configs/sh7785lcr_defconfig | 2 +-
3 files changed, 12 insertions(+), 2 deletions(-)
--- 0001/arch/sh/boards/board-sh7785lcr.c
+++ work/arch/sh/boards/board-sh7785lcr.c 2009-05-07 18:34:15.000000000 +0900
@@ -289,6 +289,9 @@ static void sh7785lcr_power_off(void)
cpu_relax();
}
+#define PNCR 0xffe70018
+#define PNDR 0xffe70038
+
/* Initialize the board */
static void __init sh7785lcr_setup(char **cmdline_p)
{
@@ -301,6 +304,13 @@ static void __init sh7785lcr_setup(char
/* sm501 DRAM configuration */
sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
writel(0x000307c2, sm501_reg);
+
+ /* read PN5 pin to get MODE4/PLL configuration for clock code */
+ ctrl_outw(ctrl_inw(PNCR) | 0x0c00, PNCR);
+ if (ctrl_inb(PNDR) & 0x20)
+ parse_early_options("mode4_pin=high");
+ else
+ parse_early_options("mode4_pin=low");
}
/*
--- 0001/arch/sh/configs/sh7785lcr_32bit_defconfig
+++ work/arch/sh/configs/sh7785lcr_32bit_defconfig 2009-05-07 18:34:23.000000000 +0900
@@ -258,7 +258,7 @@ CONFIG_SH_SH7785LCR=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ(
-CONFIG_SH_PCLK_FREQP000000
+CONFIG_SH_PCLK_FREQ3333333
CONFIG_TICK_ONESHOT=y
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
--- 0001/arch/sh/configs/sh7785lcr_defconfig
+++ work/arch/sh/configs/sh7785lcr_defconfig 2009-05-07 18:34:23.000000000 +0900
@@ -252,7 +252,7 @@ CONFIG_SH_SH7785LCR_29BIT_PHYSMAPS=y
#
CONFIG_SH_TMU=y
CONFIG_SH_TIMER_IRQ(
-CONFIG_SH_PCLK_FREQP000000
+CONFIG_SH_PCLK_FREQ3333333
CONFIG_TICK_ONESHOT=y
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
next reply other threads:[~2009-05-07 10:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-07 10:48 Magnus Damm [this message]
2009-05-08 2:48 ` [PATCH] sh: sh7785lcr clock fixes Paul Mundt
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