diff options
Diffstat (limited to 'arch/sh/boards/board-sh7785lcr.c')
| -rw-r--r-- | arch/sh/boards/board-sh7785lcr.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c index 6f94f17adc4..7be56fb06c1 100644 --- a/arch/sh/boards/board-sh7785lcr.c +++ b/arch/sh/boards/board-sh7785lcr.c @@ -2,12 +2,12 @@ * Renesas Technology Corp. R0P7785LC0011RL Support. * * Copyright (C) 2008 Yoshihiro Shimoda + * Copyright (C) 2009 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ - #include <linux/init.h> #include <linux/platform_device.h> #include <linux/sm501.h> @@ -19,8 +19,12 @@ #include <linux/i2c-pca-platform.h> #include <linux/i2c-algo-pca.h> #include <linux/irq.h> -#include <asm/heartbeat.h> +#include <linux/clk.h> +#include <linux/errno.h> #include <mach/sh7785lcr.h> +#include <asm/heartbeat.h> +#include <asm/clock.h> +#include <cpu/sh7785.h> /* * NOTE: This board has 2 physical memory maps. @@ -273,6 +277,20 @@ void __init init_sh7785lcr_IRQ(void) plat_irq_setup_pins(IRQ_MODE_IRQ3210); } +static int sh7785lcr_clk_init(void) +{ + struct clk *clk; + int ret; + + clk = clk_get(NULL, "extal"); + if (!clk || IS_ERR(clk)) + return PTR_ERR(clk); + ret = clk_set_rate(clk, 33333333); + clk_put(clk); + + return ret; +} + static void sh7785lcr_power_off(void) { unsigned char *p; @@ -303,12 +321,34 @@ static void __init sh7785lcr_setup(char **cmdline_p) writel(0x000307c2, sm501_reg); } +/* Return the board specific boot mode pin configuration */ +static int sh7785lcr_mode_pins(void) +{ + int value = 0; + + /* These are the factory default settings of S1 and S2. + * If you change these dip switches then you will need to + * adjust the values below as well. + */ + value |= MODE_PIN4; /* Clock Mode 16 */ + value |= MODE_PIN5; /* 32-bit Area0 bus width */ + value |= MODE_PIN6; /* 32-bit Area0 bus width */ + value |= MODE_PIN7; /* Area 0 SRAM interface [fixed] */ + value |= MODE_PIN8; /* Little Endian */ + value |= MODE_PIN9; /* Master Mode */ + value |= MODE_PIN14; /* No PLL step-up */ + + return value; +} + /* * The Machine Vector */ static struct sh_machine_vector mv_sh7785lcr __initmv = { .mv_name = "SH7785LCR", .mv_setup = sh7785lcr_setup, + .mv_clk_init = sh7785lcr_clk_init, .mv_init_irq = init_sh7785lcr_IRQ, + .mv_mode_pins = sh7785lcr_mode_pins, }; |