diff options
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/lib/asm-offsets.c | 46 | ||||
| -rw-r--r-- | arch/arm/lib/bootm.c | 2 | ||||
| -rw-r--r-- | arch/arm/lib/stack.c | 42 |
4 files changed, 44 insertions, 47 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index d74e4b8415..da8ed72a11 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -35,6 +35,7 @@ endif obj-$(CONFIG_SEMIHOSTING) += semihosting.o obj-y += sections.o +obj-y += stack.o ifdef CONFIG_ARM64 obj-y += gic_64.o obj-y += interrupts_64.o diff --git a/arch/arm/lib/asm-offsets.c b/arch/arm/lib/asm-offsets.c index b0c26e5d68..e5bcaea1ae 100644 --- a/arch/arm/lib/asm-offsets.c +++ b/arch/arm/lib/asm-offsets.c @@ -15,9 +15,6 @@ #include <common.h> #include <linux/kbuild.h> -#if defined(CONFIG_MB86R0x) -#include <asm/arch/mb86r0x.h> -#endif #if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35) \ || defined(CONFIG_MX51) || defined(CONFIG_MX53) #include <asm/arch/imx-regs.h> @@ -27,8 +24,6 @@ int main(void) { /* * TODO : Check if each entry in this file is really necessary. - * - struct mb86r0x_ddr2 - * - struct mb86r0x_memc * - struct esdramc_regs * - struct max_regs * - struct aips_regs @@ -40,47 +35,6 @@ int main(void) * code. Is it better to define the macros directly in headers? */ -#if defined(CONFIG_MB86R0x) - /* ddr2 controller */ - DEFINE(DDR2_DRIC, offsetof(struct mb86r0x_ddr2c, dric)); - DEFINE(DDR2_DRIC1, offsetof(struct mb86r0x_ddr2c, dric1)); - DEFINE(DDR2_DRIC2, offsetof(struct mb86r0x_ddr2c, dric2)); - DEFINE(DDR2_DRCA, offsetof(struct mb86r0x_ddr2c, drca)); - DEFINE(DDR2_DRCM, offsetof(struct mb86r0x_ddr2c, drcm)); - DEFINE(DDR2_DRCST1, offsetof(struct mb86r0x_ddr2c, drcst1)); - DEFINE(DDR2_DRCST2, offsetof(struct mb86r0x_ddr2c, drcst2)); - DEFINE(DDR2_DRCR, offsetof(struct mb86r0x_ddr2c, drcr)); - DEFINE(DDR2_DRCF, offsetof(struct mb86r0x_ddr2c, drcf)); - DEFINE(DDR2_DRASR, offsetof(struct mb86r0x_ddr2c, drasr)); - DEFINE(DDR2_DRIMS, offsetof(struct mb86r0x_ddr2c, drims)); - DEFINE(DDR2_DROS, offsetof(struct mb86r0x_ddr2c, dros)); - DEFINE(DDR2_DRIBSODT1, offsetof(struct mb86r0x_ddr2c, dribsodt1)); - DEFINE(DDR2_DROABA, offsetof(struct mb86r0x_ddr2c, droaba)); - DEFINE(DDR2_DROBS, offsetof(struct mb86r0x_ddr2c, drobs)); - - /* clock reset generator */ - DEFINE(CRG_CRPR, offsetof(struct mb86r0x_crg, crpr)); - DEFINE(CRG_CRHA, offsetof(struct mb86r0x_crg, crha)); - DEFINE(CRG_CRPA, offsetof(struct mb86r0x_crg, crpa)); - DEFINE(CRG_CRPB, offsetof(struct mb86r0x_crg, crpb)); - DEFINE(CRG_CRHB, offsetof(struct mb86r0x_crg, crhb)); - DEFINE(CRG_CRAM, offsetof(struct mb86r0x_crg, cram)); - - /* chip control module */ - DEFINE(CCNT_CDCRC, offsetof(struct mb86r0x_ccnt, cdcrc)); - - /* external bus interface */ - DEFINE(MEMC_MCFMODE0, offsetof(struct mb86r0x_memc, mcfmode[0])); - DEFINE(MEMC_MCFMODE2, offsetof(struct mb86r0x_memc, mcfmode[2])); - DEFINE(MEMC_MCFMODE4, offsetof(struct mb86r0x_memc, mcfmode[4])); - DEFINE(MEMC_MCFTIM0, offsetof(struct mb86r0x_memc, mcftim[0])); - DEFINE(MEMC_MCFTIM2, offsetof(struct mb86r0x_memc, mcftim[2])); - DEFINE(MEMC_MCFTIM4, offsetof(struct mb86r0x_memc, mcftim[4])); - DEFINE(MEMC_MCFAREA0, offsetof(struct mb86r0x_memc, mcfarea[0])); - DEFINE(MEMC_MCFAREA2, offsetof(struct mb86r0x_memc, mcfarea[2])); - DEFINE(MEMC_MCFAREA4, offsetof(struct mb86r0x_memc, mcfarea[4])); -#endif - #if defined(CONFIG_MX25) /* Clock Control Module */ DEFINE(CCM_CCTL, offsetof(struct ccm_regs, cctl)); diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 0c1298a31e..2d6b676154 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -191,7 +191,7 @@ __weak void setup_board_tags(struct tag **in_params) {} static void do_nonsec_virt_switch(void) { smp_kick_all_cpus(); - flush_dcache_all(); /* flush cache before swtiching to EL2 */ + dcache_disable(); /* flush cache before swtiching to EL2 */ armv8_switch_to_el2(); #ifdef CONFIG_ARMV8_SWITCH_TO_EL1 armv8_switch_to_el1(); diff --git a/arch/arm/lib/stack.c b/arch/arm/lib/stack.c new file mode 100644 index 0000000000..cf10a53ec6 --- /dev/null +++ b/arch/arm/lib/stack.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2015 Andreas Bießmann <andreas.devel@googlemail.com> + * + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> + +DECLARE_GLOBAL_DATA_PTR; + +int arch_reserve_stacks(void) +{ +#ifdef CONFIG_SPL_BUILD + gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ + gd->irq_sp = gd->start_addr_sp; +#else + /* setup stack pointer for exceptions */ + gd->irq_sp = gd->start_addr_sp; + +# if !defined(CONFIG_ARM64) +# ifdef CONFIG_USE_IRQ + gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); + debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", + CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); + + /* 8-byte alignment for ARM ABI compliance */ + gd->start_addr_sp &= ~0x07; +# endif + /* leave 3 words for abort-stack, plus 1 for alignment */ + gd->start_addr_sp -= 16; +# endif +#endif + + return 0; +} |