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    Subject[PATCH v5 10/22] sh: Add board specific initialize of of-generic
    Date
    Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
    ---
    arch/sh/boards/of-generic.c | 64 +++++++++++++++++++++++++++++++++++++++++++++
    1 file changed, 64 insertions(+)

    diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
    index 2d3cda3..4038682 100644
    --- a/arch/sh/boards/of-generic.c
    +++ b/arch/sh/boards/of-generic.c
    @@ -16,9 +16,15 @@
    #include <linux/irqchip.h>
    #include <linux/clk-provider.h>
    #include <linux/memblock.h>
    +#include <linux/sm501-regs.h>
    #include <asm/machvec.h>
    #include <asm/rtc.h>

    +struct model_setup {
    + char *name;
    + void (*fn)(void);
    +};
    +
    #ifdef CONFIG_SMP

    static void dummy_smp_setup(void)
    @@ -125,10 +131,61 @@ static void __init sh_of_time_init(void)
    clocksource_probe();
    }

    +#define PA_LED 0xb0000001 /* LED Control Register */
    +#define PA_SHUTDOWN 0xb0000003 /* Shutdown Control Register */
    +static void landisk_power_off(void)
    +{
    + __raw_writeb(0x01, PA_SHUTDOWN);
    +}
    +
    +static void __init landisk_setup(void)
    +{
    + /* LED ON */
    + __raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);
    + pm_power_off = landisk_power_off;
    +}
    +
    +#define PA_POWOFF 0xa4000030 /* Board Power OFF control */
    +#define PA_OUTPORT 0xa4000036 /* LED control */
    +static void rts7751r2d_power_off(void)
    +{
    + __raw_writew(0x0001, PA_POWOFF);
    +}
    +
    +static void __init r2dplus_setup(void)
    +{
    + void __iomem *sm501_reg;
    +
    + __raw_writew(0x0000, PA_OUTPORT);
    + pm_power_off = rts7751r2d_power_off;
    +
    + /* sm501 dram configuration:
    + * ColSizeX = 11 - External Memory Column Size: 256 words.
    + * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks.
    + * RstX = 1 - External Memory Reset: Normal.
    + * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks.
    + * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks.
    + * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock.
    + * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks.
    + * Rst = 1 - Internal Memory Reset: Normal.
    + * RA = 1 - Internal Memory Remain in Active State: Do not remain.
    + */
    +
    + sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
    + writel(readl(sm501_reg) | 0x00f107c0, sm501_reg);
    +}
    +
    +static const struct model_setup model_setup_table[] __initconst = {
    + { .name = "iodata,HDL-U", .fn = landisk_setup, },
    + { .name = "renesas,RTS7751R2D+", .fn = r2dplus_setup, },
    + {},
    +};
    +
    static void __init sh_of_setup(char **cmdline_p)
    {
    struct device_node *root;
    struct device_node *cpu;
    + const struct model_setup *setup;
    u32 freq;

    board_time_init = sh_of_time_init;
    @@ -145,6 +202,13 @@ static void __init sh_of_setup(char **cmdline_p)
    cpu = of_find_node_by_name(NULL, "cpu");
    if (!of_property_read_u32(cpu, "clock-frequency", &freq))
    preset_lpj = freq / CONFIG_HZ / 2;
    +
    + for (setup = model_setup_table; setup->name; setup++) {
    + if (strcmp(setup->name, sh_mv.mv_name) == 0) {
    + setup->fn();
    + break;
    + }
    + }
    }

    static int sh_of_irq_demux(int irq)
    --
    2.7.0
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