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Xtensa fixes for v5.15:

Browse Source 
- fix build/boot issues caused by CONFIG_OF vs CONFIC_USE_OF usage
 - fix reset handler for xtfpga boards
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Merge tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa

Pull xtensa fixes from Max Filippov:

 - fix build/boot issues caused by CONFIG_OF vs CONFIC_USE_OF usage

 - fix reset handler for xtfpga boards

* tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: xtfpga: Try software restart before simulating CPU reset
  xtensa: xtfpga: use CONFIG_USE_OF instead of CONFIG_OF
  xtensa: call irqchip_init only when CONFIG_USE_OF is selected
  xtensa: use CONFIG_USE_OF instead of CONFIG_OF
This commit is contained in:
Linus Torvalds 2021-10-08 13:05:39 -07:00
commit 5d6ab0bb40
5 changed files with 17 additions and 13 deletions
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2
arch/xtensa/include/asm/kmem_layout.h
View File

@ -78,7 +78,7 @@
#endif
#define XCHAL_KIO_SIZE 0x10000000
#if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_OF)
#if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_USE_OF)
#define XCHAL_KIO_PADDR xtensa_get_kio_paddr()
#ifndef __ASSEMBLY__
extern unsigned long xtensa_kio_paddr;

2
arch/xtensa/kernel/irq.c
View File

@ -143,7 +143,7 @@ unsigned xtensa_get_ext_irq_no(unsigned irq)
void __init init_IRQ(void)
{
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
irqchip_init();
#else
#ifdef CONFIG_HAVE_SMP

12
arch/xtensa/kernel/setup.c
View File

@ -63,7 +63,7 @@ extern unsigned long initrd_end;
extern int initrd_below_start_ok;
#endif
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
void *dtb_start = __dtb_start;
#endif
@ -125,7 +125,7 @@ __tagtable(BP_TAG_INITRD, parse_tag_initrd);
#endif /* CONFIG_BLK_DEV_INITRD */
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
static int __init parse_tag_fdt(const bp_tag_t *tag)
{
@ -135,7 +135,7 @@ static int __init parse_tag_fdt(const bp_tag_t *tag)
__tagtable(BP_TAG_FDT, parse_tag_fdt);
#endif /* CONFIG_OF */
#endif /* CONFIG_USE_OF */
static int __init parse_tag_cmdline(const bp_tag_t* tag)
{
@ -183,7 +183,7 @@ static int __init parse_bootparam(const bp_tag_t *tag)
}
#endif
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
#if !XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY
unsigned long xtensa_kio_paddr = XCHAL_KIO_DEFAULT_PADDR;
@ -232,7 +232,7 @@ void __init early_init_devtree(void *params)
strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
}
#endif /* CONFIG_OF */
#endif /* CONFIG_USE_OF */
/*
* Initialize architecture. (Early stage)
@ -253,7 +253,7 @@ void __init init_arch(bp_tag_t *bp_start)
if (bp_start)
parse_bootparam(bp_start);
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
early_init_devtree(dtb_start);
#endif

2
arch/xtensa/mm/mmu.c
View File

@ -101,7 +101,7 @@ void init_mmu(void)
void init_kio(void)
{
#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_OF)
#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_USE_OF)
/*
* Update the IO area mapping in case xtensa_kio_paddr has changed
*/

12
arch/xtensa/platforms/xtfpga/setup.c
View File

@ -51,8 +51,12 @@ void platform_power_off(void)
void platform_restart(void)
{
/* Flush and reset the mmu, simulate a processor reset, and
* jump to the reset vector. */
/* Try software reset first. */
WRITE_ONCE(*(u32 *)XTFPGA_SWRST_VADDR, 0xdead);
/* If software reset did not work, flush and reset the mmu,
* simulate a processor reset, and jump to the reset vector.
*/
cpu_reset();
/* control never gets here */
}
@ -66,7 +70,7 @@ void __init platform_calibrate_ccount(void)
#endif
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
static void __init xtfpga_clk_setup(struct device_node *np)
{
@ -284,4 +288,4 @@ static int __init xtavnet_init(void)
*/
arch_initcall(xtavnet_init);
#endif /* CONFIG_OF */
#endif /* CONFIG_USE_OF */