diff options
Diffstat (limited to 'payloads/libpayload/drivers/timer/mct.c')
| -rw-r--r-- | payloads/libpayload/drivers/timer/mct.c | 115 |
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; -} |