From ce910283f9bce7d8797bd7bd6f1f1d762325dfb3 Mon Sep 17 00:00:00 2001 From: Andrey Gusakov Date: Fri, 7 Jul 2017 20:43:33 +0300 Subject: [PATCH 47/61] MOST: dim2: add R-Car3 related initialization Signed-off-by: Andrey Gusakov --- drivers/staging/most/hdm-dim2/dim2_hdm.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c index e3ce23c..0e5855d 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hdm.c +++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include "dim2_hal.h" @@ -184,6 +185,26 @@ static int dim_parce_speed(const char *clock_speed) return -1; } +static int dim_rcar_init(struct dim2_hdm *dev) +{ + /* PLL */ + __raw_writel(0x04, dev->io_base + 0x600); + + /* 512FS Enable Register */ + if (dev->clk_speed == CLK_512FS) + __raw_writel(0x01, dev->io_base + 0x604); + else + __raw_writel(0x00, dev->io_base + 0x604); + + udelay(200); + + /* BBCR = 0b11 */ + __raw_writel(0x03, dev->io_base + 0x500); + __raw_writel(0x0002FF02, dev->io_base + 0x508); + + return 0; +} + /** * startup_dim - initialize the dim2 interface * @pdev: platform device @@ -211,6 +232,10 @@ static int startup_dim(struct platform_device *pdev) return ret; } + if (1 /* renesas */) { + dim_rcar_init(dev); + } + pr_info("sync: num of frames per sub-buffer: %u\n", fcnt); hal_ret = dim_startup(dev->io_base, dev->clk_speed, fcnt); if (hal_ret != DIM_NO_ERROR) { -- 2.7.4