mediatek: Move uart, timer and cbmem code to a common directory.

This patch moves uart, timer and cbmem code which can be reused into a
common directory under soc/mediatek.

BUG=b:80501386
BRANCH=none
TEST=the refactored code works fine on the new platform (with the rest
     of the patches applied) and Elm platform

Change-Id: I5210149b324947ee90f1a481b42f0e2e1f7cfc25
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/26658
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>

1 files changed, 0 insertions, 47 deletions

diff --git a/src/soc/mediatek/mt8173/common_timer.c b/src/soc/mediatek/mt8173/common_timer.c
deleted file mode 100644
index 6e4315c7cf..0000000000
--- a/src/soc/mediatek/mt8173/common_timer.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2018 MediaTek Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <arch/io.h>
-#include <compiler.h>
-#include <console/console.h>
-#include <timer.h>
-#include <delay.h>
-#include <thread.h>
-
-#include <soc/addressmap.h>
-#include <soc/timer.h>
-
-static struct mtk_gpt_regs *const mtk_gpt = (void *)GPT_BASE;
-
-__weak void timer_prepare(void) { /* do nothing */ }
-
-void timer_monotonic_get(struct mono_time *mt)
-{
-	mono_time_set_usecs(mt, read32(&mtk_gpt->gpt4_cnt) / GPT4_MHZ);
-}
-
-void init_timer(void)
-{
-	timer_prepare();
-
-	/* Disable GPT4 and clear the counter */
-	clrbits_le32(&mtk_gpt->gpt4_con, GPT_CON_EN);
-	setbits_le32(&mtk_gpt->gpt4_con, GPT_CON_CLR);
-
-	/* Set clock source to system clock and set clock divider to 1 */
-	write32(&mtk_gpt->gpt4_clk, GPT_SYS_CLK | GPT_CLK_DIV1);
-	/* Set operation mode to FREERUN mode and enable GTP4 */
-	write32(&mtk_gpt->gpt4_con, GPT_CON_EN | GPT_MODE_FREERUN);
-}