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Brooklyn/arch/arm/mach-rpc/ecard-loader.S
Scare Crowe 84ba5b15ac Updates and fixes for BrooklynR
* Enhance GPIO addon for Noctua Fans for the Qortector upcoming case. This will put PWM signal to real-time.

* Fixed RDP not letting a user login if not logged out on Cinnamon release (reported by Crowetic)

* Update i2c sensor db

* Fixed DRM broadcast over HDMI 2+

* Ease up DHCP security only to prevent Brooklyn blocking routers.

* Add possibility to add extra memory for Cinnamon Desktop Release

* Fix error message of Software Render mode on Cinnamon Desktop

* Add proper offset for HD screens for pixel array

*Fixed HDMI jitter for videocore4 GPU

* Enable all radios (including Bluetooth)
2021-06-12 13:10:41 +05:00

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ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/lib/ecard.S
*
* Copyright (C) 1995, 1996 Russell King
*
* 27/03/03 Ian Molton Clean up CONFIG_CPU
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#define CPSR2SPSR(rt) \
mrs rt, cpsr; \
msr spsr_cxsf, rt
@ Purpose: call an expansion card loader to read bytes.
@ Proto : char read_loader(int offset, char *card_base, char *loader);
@ Returns: byte read
ENTRY(ecard_loader_read)
stmfd sp!, {r4 - r12, lr}
mov r11, r1
mov r1, r0
CPSR2SPSR(r0)
mov lr, pc
mov pc, r2
ldmfd sp!, {r4 - r12, pc}
@ Purpose: call an expansion card loader to reset the card
@ Proto : void read_loader(int card_base, char *loader);
@ Returns: byte read
ENTRY(ecard_loader_reset)
stmfd sp!, {r4 - r12, lr}
mov r11, r0
CPSR2SPSR(r0)
mov lr, pc
add pc, r1, #8
ldmfd sp!, {r4 - r12, pc}