From 8b1f23ef0307974737f49b237664f66f5e2c35c7 Mon Sep 17 00:00:00 2001 From: Ionela Voinescu Date: Mon, 26 Jan 2015 13:15:12 +0000 Subject: urara: add clock setup for MIPS CPU, ROM and Ethernet BUG=chrome-os-partner:31438 TEST=tested on Pistachio bring up board; works properly BRANCH=none Change-Id: Ie386d6af9eeba7a72b1b88d515e6cb1821569c6b Signed-off-by: Stefan Reinauer Original-Commit-Id: d4b8d8b6f965296f9ecf62da8e5f383c3667b077 Original-Change-Id: I9eb464340b0475ae735ba5573ab0841dac0d74eb Original-Signed-off-by: Ionela Voinescu Original-Reviewed-on: https://chromium-review.googlesource.com/243215 Original-Reviewed-by: David Hendricks Reviewed-on: http://review.coreboot.org/9669 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/google/urara/bootblock.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'src/mainboard') diff --git a/src/mainboard/google/urara/bootblock.c b/src/mainboard/google/urara/bootblock.c index 6d90d5932e..b21a8885f4 100644 --- a/src/mainboard/google/urara/bootblock.c +++ b/src/mainboard/google/urara/bootblock.c @@ -110,13 +110,27 @@ static int init_clocks(void) /* System PLL divided by 2 -> 400 MHz */ /* The same frequency will be the input frequency for the SPFI block */ system_clk_setup(1); + + /* MIPS CPU dividers: division by 1 -> 550 MHz + * This is set up as we cannot make any assumption about + * the values set or not by the boot ROM code */ + mips_clk_setup(0, 0); + /* System clock divided by 8 -> 50 MHz */ ret = usb_clk_setup(7, 2, 7); if (ret != CLOCKS_OK) return ret; + /* System PLL divided by 7 divided by 62 -> 1.8433 Mhz */ uart1_clk_setup(6, 61); + /* Ethernet clocks setup: ENET as clock source */ + eth_clk_setup(0, 7); + + /* ROM clock setup: system clock divided by 2 -> 200 MHz */ + /* Hash accelerator is driven from the ROM clock */ + rom_clk_setup(1); + /* Setup system PLL at 800 MHz */ ret = sys_pll_setup(2, 1); if (ret != CLOCKS_OK) -- cgit v1.2.3