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Diffstat (limited to 'payloads/libpayload/drivers/timer/mct.c')
-rw-r--r--payloads/libpayload/drivers/timer/mct.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/payloads/libpayload/drivers/timer/mct.c b/payloads/libpayload/drivers/timer/mct.c
deleted file mode 100644
index 992643d774..0000000000
--- a/payloads/libpayload/drivers/timer/mct.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <arch/io.h>
-#include <libpayload.h>
-#include <libpayload-config.h>
-#include <stdint.h>
-
-#include "config.h"
-
-struct __attribute__((packed)) mct_regs
-{
- uint32_t mct_cfg;
- uint8_t reserved0[0xfc];
- uint32_t g_cnt_l;
- uint32_t g_cnt_u;
- uint8_t reserved1[0x8];
- uint32_t g_cnt_wstat;
- uint8_t reserved2[0xec];
- uint32_t g_comp0_l;
- uint32_t g_comp0_u;
- uint32_t g_comp0_addr_incr;
- uint8_t reserved3[0x4];
- uint32_t g_comp1_l;
- uint32_t g_comp1_u;
- uint32_t g_comp1_addr_incr;
- uint8_t reserved4[0x4];
- uint32_t g_comp2_l;
- uint32_t g_comp2_u;
- uint32_t g_comp2_addr_incr;
- uint8_t reserved5[0x4];
- uint32_t g_comp3_l;
- uint32_t g_comp3_u;
- uint32_t g_comp3_addr_incr;
- uint8_t reserved6[0x4];
- uint32_t g_tcon;
- uint32_t g_int_cstat;
- uint32_t g_int_enb;
- uint32_t g_wstat;
- uint8_t reserved7[0xb0];
- uint32_t l0_tcntb;
- uint32_t l0_tcnto;
- uint32_t l0_icntb;
- uint32_t l0_icnto;
- uint32_t l0_frcntb;
- uint32_t l0_frcnto;
- uint8_t reserved8[0x8];
- uint32_t l0_tcon;
- uint8_t reserved9[0xc];
- uint32_t l0_int_cstat;
- uint32_t l0_int_enb;
- uint8_t reserved10[0x8];
- uint32_t l0_wstat;
- uint8_t reserved11[0xbc];
- uint32_t l1_tcntb;
- uint32_t l1_tcnto;
- uint32_t l1_icntb;
- uint32_t l1_icnto;
- uint32_t l1_frcntb;
- uint32_t l1_frcnto;
- uint8_t reserved12[0x8];
- uint32_t l1_tcon;
- uint8_t reserved13[0xc];
- uint32_t l1_int_cstat;
- uint32_t l1_int_enb;
- uint8_t reserved14[0x8];
- uint32_t l1_wstat;
-};
-
-uint64_t timer_hz(void)
-{
- return CONFIG_LP_TIMER_MCT_HZ;
-}
-
-uint64_t timer_raw_value(void)
-{
- static int enabled = 0;
-
- struct mct_regs * const mct =
- (struct mct_regs *)(uintptr_t)CONFIG_LP_TIMER_MCT_ADDRESS;
-
- if (!enabled) {
- writel(readl(&mct->g_tcon) | (0x1 << 8), &mct->g_tcon);
- enabled = 1;
- }
-
- uint64_t upper = readl(&mct->g_cnt_u);
- uint64_t lower = readl(&mct->g_cnt_l);
-
- return (upper << 32) | lower;
-}