udelay: move into platform folder

Change-Id: I9910cd1f5850a6f86e26bb1dc4ff26614f0a0964
Signed-off-by: Antonio Vázquez Blanco <antoniovazquezblanco@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/88270
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

amd_imc.c

@@ -19,6 +19,7 @@
 #include "hwaccess_x86_io.h"
 #include "spi.h"
 #include "platform/pci.h"
+#include "platform/udelay.h"
 
 /* same as serverengines */
 static void enter_conf_mode_ec(uint16_t port)

asm106x.c

@@ -17,6 +17,7 @@
 #include <stdlib.h>
 #include "programmer.h"
 #include "platform/pci.h"
+#include "platform/udelay.h"
 
 #define PCI_VENDOR_ID_ASMEDIA	0x1b21
 

atavia.c

@@ -21,6 +21,7 @@
 #include "flash.h"
 #include "programmer.h"
 #include "platform/pci.h"
+#include "platform/udelay.h"
 
 #define PCI_VENDOR_ID_VIA	0x1106
 

bitbang_spi.c

@@ -19,6 +19,7 @@
 #include <ctype.h>
 #include "programmer.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 /* Note that CS# is active low, so val=0 means the chip is active. */
 static void bitbang_spi_set_cs(const struct bitbang_spi_master * const master, int val, void *spi_data)

buspirate_spi.c

@@ -22,6 +22,7 @@
 #include <unistd.h>
 #include "programmer.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 /* Change this to #define if you want to test without a serial implementation */
 #undef FAKE_COMMUNICATION

ch341a_spi.c

@@ -22,6 +22,7 @@
 #include <libusb.h>
 #include "flash.h"
 #include "programmer.h"
+#include "platform/udelay.h"
 
 /* LIBUSB_CALL ensures the right calling conventions on libusb callbacks.
  * However, the macro is not defined everywhere. m(

dediprog.c

@@ -26,6 +26,7 @@
 #include "programmer.h"
 #include "spi.h"
 #include "usbdev.h"
+#include "platform/udelay.h"
 
 /* LIBUSB_CALL ensures the right calling conventions on libusb callbacks.
  * However, the macro is not defined everywhere. m(

dummyflasher.c

@@ -27,6 +27,7 @@
 #include "flashchips.h"
 #include "spi.h"
 #include "writeprotect.h"
+#include "platform/udelay.h"
 
 enum emu_chip {
 	EMULATE_NONE,

flashrom.c

@@ -35,6 +35,7 @@
 #include "hwaccess_physmap.h"
 #include "chipdrivers.h"
 #include "erasure_layout.h"
+#include "platform/udelay.h"
 
 const char flashrom_version[] = FLASHROM_VERSION;
 

ichspi.c

@@ -26,6 +26,7 @@
 #include "hwaccess_physmap.h"
 #include "spi.h"
 #include "ich_descriptors.h"
+#include "platform/udelay.h"
 
 /* Apollo Lake */
 #define APL_REG_FREG12		0xe0	/* 32 Bytes Flash Region 12 */

include/platform/udelay.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright 2025 Antonio Vázquez Blanco <antoniovazquezblanco@gmail.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef __UDELAY_H__
+#define __UDELAY_H__
+
+void internal_sleep(unsigned int usecs);
+void default_delay(unsigned int usecs);
+
+#endif

include/programmer.h

@@ -217,10 +217,6 @@ extern const struct board_info boards_known[];
 extern const struct board_info laptops_known[];
 #endif
 
-/* udelay.c */
-void internal_sleep(unsigned int usecs);
-void default_delay(unsigned int usecs);
-
 #if CONFIG_INTERNAL == 1
 /* board_enable.c */
 int selfcheck_board_enables(void);

it87spi.c

@@ -28,6 +28,7 @@
 #include "hwaccess_physmap.h"
 #include "hwaccess_x86_io.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 #define ITE_SUPERIO_PORT1	0x2e
 #define ITE_SUPERIO_PORT2	0x4e

jlink_spi.c

@@ -28,6 +28,7 @@
 
 #include "programmer.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 /*
  * Maximum number of bytes that can be transferred at once via the JTAG

meson.build

@@ -105,16 +105,6 @@ srcs = files(
   'writeprotect_ranges.c',
 )
 
-# Select an appropriate delay implementation for the target OS
-delay_src = files('udelay.c')
-if target_machine.system() == 'dos'
-  delay_src = files('udelay_dos.c')
-endif
-srcs += delay_src
-cargs += ['-DCONFIG_DELAY_MINIMUM_SLEEP_US=@0@'.format(
-  get_option('delay_minimum_sleep_us')
-)]
-
 # check for required symbols
 if cc.has_function('clock_gettime')
   add_project_arguments('-DHAVE_CLOCK_GETTIME=1', language : 'c')

nicintel_eeprom.c

@@ -35,6 +35,7 @@
 #include "programmer.h"
 #include "hwaccess_physmap.h"
 #include "platform/pci.h"
+#include "platform/udelay.h"
 
 #define PCI_VENDOR_ID_INTEL 0x8086
 #define MEMMAP_SIZE 0x1c /* Only EEC, EERD and EEWR are needed. */

platform/meson.build

@@ -10,6 +10,16 @@ if host_machine.endian() == 'big'
   add_project_arguments('-D__FLASHROM_BIG_ENDIAN__=1', language : 'c')
 endif
 
+# Select an appropriate delay implementation for the target OS
+delay_src = files('udelay.c')
+if target_machine.system() == 'dos'
+  delay_src = files('udelay_dos.c')
+endif
+srcs += delay_src
+cargs += ['-DCONFIG_DELAY_MINIMUM_SLEEP_US=@0@'.format(
+  get_option('delay_minimum_sleep_us')
+)]
+
 # OpenBSD requires libi386 or libamd64 for I/O port handling
 if host_machine.system() == 'openbsd'
   if host_machine.cpu_family() == 'x86'
@@ -32,7 +42,6 @@ if host_machine.system() == 'netbsd'
   endif
 endif
 
-
 # SunOS requires external libraries for network sockets
 # they are used to support serial devices via network
 if host_machine.system() == 'sunos'

platform/udelay.c

@@ -18,6 +18,8 @@
 
 #ifndef __LIBPAYLOAD__
 
+#include "platform/udelay.h"
+
 #include <stdbool.h>
 #include <unistd.h>
 #include <errno.h>

platform/udelay_dos.c

@@ -15,6 +15,8 @@
  * GNU General Public License for more details.
  */
 
+#include "platform/udelay.h"
+
 #include <stdbool.h>
 #include <unistd.h>
 #include <errno.h>

pony_spi.c

@@ -43,6 +43,7 @@
 
 #include "flash.h"
 #include "programmer.h"
+#include "platform/udelay.h"
 
 enum pony_type {
 	TYPE_SI_PROG,

raiden_debug_spi.c

@@ -341,6 +341,7 @@
 #include "programmer.h"
 #include "spi.h"
 #include "usb_device.h"
+#include "platform/udelay.h"
 
 #include <libusb.h>
 #include <stdbool.h>

serial.c

@@ -35,6 +35,7 @@
 #include "flash.h"
 #include "programmer.h"
 #include "custom_baud.h"
+#include "platform/udelay.h"
 
 fdtype sp_fd = SER_INV_FD;
 

serprog.c

@@ -38,6 +38,7 @@
 #include "flash.h"
 #include "programmer.h"
 #include "chipdrivers.h"
+#include "platform/udelay.h"
 
 /* According to Serial Flasher Protocol Specification - version 1 */
 #define S_ACK			0x06

spidriver.c

@@ -30,6 +30,7 @@
 #include "flash.h"
 #include "programmer.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 static int spidriver_serialport_setup(char *dev)
 {

tests/udelay.c

@@ -17,7 +17,7 @@
 #include <sys/time.h>
 #include <time.h>
 
-#include "programmer.h"
+#include "platform/udelay.h"
 #include "tests.h"
 
 static uint64_t now_us(void) {

wbsio_spi.c

@@ -21,6 +21,7 @@
 #include "hwaccess_physmap.h"
 #include "hwaccess_x86_io.h"
 #include "spi.h"
+#include "platform/udelay.h"
 
 #define WBSIO_PORT1	0x2e
 #define WBSIO_PORT2	0x4e