diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-bsp/u-boot/u-boot/0042-board-renesas-ulcb-set-all-RAVB-pins-strengh-to-maximum.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-bsp/u-boot/u-boot/0042-board-renesas-ulcb-set-all-RAVB-pins-strengh-to-maximum.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-bsp/u-boot/u-boot/0042-board-renesas-ulcb-set-all-RAVB-pins-strengh-to-maximum.patch b/meta-rcar-gen3-adas/recipes-bsp/u-boot/u-boot/0042-board-renesas-ulcb-set-all-RAVB-pins-strengh-to-maximum.patch new file mode 100644 index 0000000..638fa7c --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-bsp/u-boot/u-boot/0042-board-renesas-ulcb-set-all-RAVB-pins-strengh-to-maximum.patch @@ -0,0 +1,55 @@ +From b247dea7b49d7e66e1848da71e28ff5fe9acf5e1 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Thu, 16 Jun 2016 11:41:43 +0300 +Subject: [PATCH] board: renesas: ulcb: set all RAVB pins strengh to maximum + +This is only for H3ULCB.HAD with custom TTTeck ethernet switch +parameters + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + board/renesas/ulcb/ulcb.c | 21 +++++++++++++++++++++ + 2 files changed, 21 insertions(+), 5 deletions(-) + +diff --git a/board/renesas/ulcb/ulcb.c b/board/renesas/ulcb/ulcb.c +index 5652014..f77f946 100644 +--- a/board/renesas/ulcb/ulcb.c ++++ b/board/renesas/ulcb/ulcb.c +@@ -72,6 +72,22 @@ int board_early_init_f(void) + + DECLARE_GLOBAL_DATA_PTR; + ++#define PFC_PMMR 0xE6060000 ++#define PFC_DRVCTRL1 0xE6060304 ++#define PFC_DRVCTRL2 0xE6060308 ++#define PFC_DRVCTRL3 0xE606030C ++ ++static void write_drvctrl(u32 value, u32 modify_bit, void *reg) ++{ ++ u32 val; ++ ++ val = readl(reg); ++ val &= ~modify_bit; ++ val |= value; ++ writel(~val, PFC_PMMR); ++ writel(val, reg); ++} ++ + int board_init(void) + { + u32 val; +@@ -86,6 +102,11 @@ int board_init(void) + val = readl(PFC_PUEN6) | PUEN_USB1_OVC | PUEN_USB1_PWEN; + writel(val, PFC_PUEN6); + ++ /* EtherAVB pin strength */ ++ write_drvctrl(0x00000007, 0x00000007, (void *)PFC_DRVCTRL1); ++ write_drvctrl(0x77777777, 0x77777777, (void *)PFC_DRVCTRL2); ++ write_drvctrl(0x77700000, 0x77700000, (void *)PFC_DRVCTRL3); ++ + #ifdef CONFIG_RAVB + #if defined(CONFIG_R8A7795) + if (rcar_is_legacy()) { +-- +1.9.1 + |