From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/xtensa/kernel/platform.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 arch/xtensa/kernel/platform.c (limited to 'arch/xtensa/kernel/platform.c') diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c new file mode 100644 index 000000000..ac1e0e566 --- /dev/null +++ b/arch/xtensa/kernel/platform.c @@ -0,0 +1,43 @@ +/* + * arch/xtensa/kernel/platform.c + * + * Default platform functions. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2005 Tensilica Inc. + * + * Chris Zankel + */ + +#include +#include +#include +#include + +#define _F(r,f,a,b) \ + r __platform_##f a b; \ + r platform_##f a __attribute__((weak, alias("__platform_"#f))) + +/* + * Default functions that are used if no platform specific function is defined. + * (Please, refer to include/asm-xtensa/platform.h for more information) + */ + +_F(void, init, (bp_tag_t *first), { }); +_F(void, setup, (char** cmd), { }); +_F(void, restart, (void), { while(1); }); +_F(void, halt, (void), { while(1); }); +_F(void, power_off, (void), { while(1); }); +_F(void, idle, (void), { __asm__ __volatile__ ("waiti 0" ::: "memory"); }); +_F(void, heartbeat, (void), { }); + +#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT +_F(void, calibrate_ccount, (void), +{ + pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n"); + ccount_freq = 10 * 1000000UL; +}); +#endif -- cgit v1.2.3