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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-03 11:03:00 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-03 11:03:00 -0700 |
commit | 603eefda5fcf8f9dab3ae253e677abb285f6f3bc (patch) | |
tree | 70e7f7e6338c3117b58f30a2a19b81bb6a5216de /arch/openrisc/kernel | |
parent | 50ddcdb2635c82e195a2557341d759c5b9419bf1 (diff) | |
parent | 1955d843efc3b5cf3ab4878986a87ad4972ff4e1 (diff) | |
download | lwn-603eefda5fcf8f9dab3ae253e677abb285f6f3bc.tar.gz lwn-603eefda5fcf8f9dab3ae253e677abb285f6f3bc.zip |
Merge tag 'for-linus' of git://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
"A few cleanups and compiler warning fixes for OpenRISC.
Also, this includes dts and defconfig updates to enable Ethernet on
OpenRISC/Litex FPGA SoC's now that the LiteEth driver has gone
upstream"
* tag 'for-linus' of git://github.com/openrisc/linux:
openrisc/litex: Update defconfig
openrisc/litex: Add ethernet device
openrisc/litex: Update uart address
openrisc: Fix compiler warnings in setup
openrisc: rename or32 code & comments to or1k
openrisc: don't printk() unconditionally
Diffstat (limited to 'arch/openrisc/kernel')
-rw-r--r-- | arch/openrisc/kernel/entry.S | 6 | ||||
-rw-r--r-- | arch/openrisc/kernel/head.S | 6 | ||||
-rw-r--r-- | arch/openrisc/kernel/setup.c | 20 |
3 files changed, 10 insertions, 22 deletions
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index 947613f61d4a..edaa775a648e 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -326,7 +326,7 @@ EXCEPTION_ENTRY(_data_page_fault_handler) 1: l.ori r6,r0,0x0 // !write access 2: - /* call fault.c handler in or32/mm/fault.c */ + /* call fault.c handler in openrisc/mm/fault.c */ l.jal do_page_fault l.nop l.j _ret_from_exception @@ -348,7 +348,7 @@ EXCEPTION_ENTRY(_insn_page_fault_handler) /* r4 set be EXCEPTION_HANDLE */ // effective address of fault l.ori r6,r0,0x0 // !write access - /* call fault.c handler in or32/mm/fault.c */ + /* call fault.c handler in openrisc/mm/fault.c */ l.jal do_page_fault l.nop l.j _ret_from_exception @@ -547,6 +547,7 @@ EXCEPTION_ENTRY(_external_irq_handler) l.bnf 1f // ext irq enabled, all ok. l.nop +#ifdef CONFIG_PRINTK l.addi r1,r1,-0x8 l.movhi r3,hi(42f) l.ori r3,r3,lo(42f) @@ -560,6 +561,7 @@ EXCEPTION_ENTRY(_external_irq_handler) .string "\n\rESR interrupt bug: in _external_irq_handler (ESR %x)\n\r" .align 4 .previous +#endif l.ori r4,r4,SPR_SR_IEE // fix the bug // l.sw PT_SR(r1),r4 diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S index af355e3f4619..15f1b38dfe03 100644 --- a/arch/openrisc/kernel/head.S +++ b/arch/openrisc/kernel/head.S @@ -599,7 +599,7 @@ flush_tlb: l.jal _flush_tlb l.nop -/* The MMU needs to be enabled before or32_early_setup is called */ +/* The MMU needs to be enabled before or1k_early_setup is called */ enable_mmu: /* @@ -641,9 +641,9 @@ enable_mmu: /* magic number mismatch, set fdt pointer to null */ l.or r25,r0,r0 _fdt_found: - /* pass fdt pointer to or32_early_setup in r3 */ + /* pass fdt pointer to or1k_early_setup in r3 */ l.or r3,r0,r25 - LOAD_SYMBOL_2_GPR(r24, or32_early_setup) + LOAD_SYMBOL_2_GPR(r24, or1k_early_setup) l.jalr r24 l.nop diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index 8ae2da6ac097..0cd04d936a7a 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -209,7 +209,8 @@ void __init setup_cpuinfo(void) } /** - * or32_early_setup + * or1k_early_setup + * @fdt: pointer to the start of the device tree in memory or NULL * * Handles the pointer to the device tree that this kernel is to use * for establishing the available platform devices. @@ -217,7 +218,7 @@ void __init setup_cpuinfo(void) * Falls back on built-in device tree in case null pointer is passed. */ -void __init or32_early_setup(void *fdt) +void __init or1k_early_setup(void *fdt) { if (fdt) pr_info("FDT at %p\n", fdt); @@ -243,21 +244,6 @@ static inline unsigned long extract_value(unsigned long reg, unsigned long mask) return mask & reg; } -void __init detect_unit_config(unsigned long upr, unsigned long mask, - char *text, void (*func) (void)) -{ - if (text != NULL) - printk("%s", text); - - if (upr & mask) { - if (func != NULL) - func(); - else - printk("present\n"); - } else - printk("not present\n"); -} - /* * calibrate_delay * |