sparc32 is always LEON, so no need to check for the model. Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Arvind Sankar <nivedita@xxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxxxx> Cc: Andreas Larsson <andreas@xxxxxxxxxxx> --- arch/sparc/include/asm/cpu_type.h | 18 ------- arch/sparc/include/asm/io_32.h | 4 +- arch/sparc/include/asm/pgtable_32.h | 24 --------- arch/sparc/kernel/devices.c | 7 +-- arch/sparc/kernel/ioport.c | 6 +-- arch/sparc/kernel/leon_pmc.c | 14 +++-- arch/sparc/kernel/setup_32.c | 79 +---------------------------- 7 files changed, 12 insertions(+), 140 deletions(-) diff --git a/arch/sparc/include/asm/cpu_type.h b/arch/sparc/include/asm/cpu_type.h index 2b59799859d1..3e0154c3f41d 100644 --- a/arch/sparc/include/asm/cpu_type.h +++ b/arch/sparc/include/asm/cpu_type.h @@ -2,28 +2,10 @@ #ifndef __ASM_CPU_TYPE_H #define __ASM_CPU_TYPE_H -/* - * Sparc (general) CPU types - */ -enum sparc_cpu { - sun4m = 0x00, - sun4d = 0x01, - sun4e = 0x02, - sun4u = 0x03, /* V8 ploos ploos */ - sun_unknown = 0x04, - ap1000 = 0x05, /* almost a sun4m */ - sparc_leon = 0x06, /* Leon SoC */ -}; - #ifdef CONFIG_SPARC32 -extern enum sparc_cpu sparc_cpu_model; #define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */ -#else - -#define sparc_cpu_model sun4u - #endif #endif /* __ASM_CPU_TYPE_H */ diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 549f0a72280d..83abe709d120 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h @@ -138,11 +138,11 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *); static inline int sbus_can_dma_64bit(void) { - return 0; /* actually, sparc_cpu_model==sun4d */ + return 0; } static inline int sbus_can_burst64(void) { - return 0; /* actually, sparc_cpu_model==sun4d */ + return 0; } struct device; void sbus_set_sbus64(struct device *, int); diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 632cdb959542..9c4da6ed81ef 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -356,30 +356,6 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -static inline unsigned long -__get_phys (unsigned long addr) -{ - switch (sparc_cpu_model){ - case sun4m: - case sun4d: - return ((srmmu_get_pte (addr) & 0xffffff00) << 4); - default: - return 0; - } -} - -static inline int -__get_iospace (unsigned long addr) -{ - switch (sparc_cpu_model){ - case sun4m: - case sun4d: - return (srmmu_get_pte (addr) >> 28); - default: - return -1; - } -} - extern unsigned long *sparc_valid_addr_bitmap; /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c index b3c2d51b22c4..2963e89611a3 100644 --- a/arch/sparc/kernel/devices.c +++ b/arch/sparc/kernel/devices.c @@ -26,8 +26,6 @@ static char *cpu_mid_prop(void) { - if (sparc_cpu_model == sun4d) - return "cpu-id"; return "mid"; } @@ -40,8 +38,6 @@ static int check_cpu_node(phandle nd, int *cur_inst, *prom_node = nd; if (mid) { *mid = prom_getintdefault(nd, cpu_mid_prop(), 0); - if (sparc_cpu_model == sun4m) - *mid &= 3; } return 0; } @@ -92,8 +88,7 @@ static int cpu_mid_compare(phandle nd, int instance, void *_arg) int this_mid; this_mid = prom_getintdefault(nd, cpu_mid_prop(), 0); - if (this_mid == desired_mid - || (sparc_cpu_model == sun4m && (this_mid & 3) == desired_mid)) + if (this_mid == desired_mid) return 0; return -ENODEV; } diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 8e1d72a16759..50fb0a8431aa 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -57,10 +57,8 @@ */ static inline void dma_make_coherent(unsigned long pa, unsigned long len) { - if (sparc_cpu_model == sparc_leon) { - if (!sparc_leon3_snooping_enabled()) - leon_flush_dcache_all(); - } + if (!sparc_leon3_snooping_enabled()) + leon_flush_dcache_all(); } static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c index 396f46bca52e..625924dd0e5b 100644 --- a/arch/sparc/kernel/leon_pmc.c +++ b/arch/sparc/kernel/leon_pmc.c @@ -75,15 +75,13 @@ static void pmc_leon_idle(void) /* Install LEON Power Down function */ static int __init leon_pmc_install(void) { - if (sparc_cpu_model == sparc_leon) { - /* Assign power management IDLE handler */ - if (pmc_leon_need_fixup()) - sparc_idle = pmc_leon_idle_fixup; - else - sparc_idle = pmc_leon_idle; + /* Assign power management IDLE handler */ + if (pmc_leon_need_fixup()) + sparc_idle = pmc_leon_idle_fixup; + else + sparc_idle = pmc_leon_idle; - printk(KERN_INFO "leon: power management initialized\n"); - } + printk(KERN_INFO "leon: power management initialized\n"); return 0; } diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index b6fd87928c73..91c0c043a95d 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -202,30 +202,12 @@ static void __init per_cpu_patch(void) { struct cpuid_patch_entry *p; - if (sparc_cpu_model == sun4m) { - /* Nothing to do, this is what the unpatched code - * targets. - */ - return; - } - p = &__cpuid_patch; while (p < &__cpuid_patch_end) { unsigned long addr = p->addr; unsigned int *insns; - switch (sparc_cpu_model) { - case sun4d: - insns = &p->sun4d[0]; - break; - - case sparc_leon: - insns = &p->leon[0]; - break; - default: - prom_printf("Unknown cpu type, halting.\n"); - prom_halt(); - } + insns = &p->leon[0]; *(unsigned int *) (addr + 0) = insns[0]; flushi(addr + 0); *(unsigned int *) (addr + 4) = insns[1]; @@ -237,31 +219,9 @@ static void __init per_cpu_patch(void) } } -struct leon_1insn_patch_entry { - unsigned int addr; - unsigned int insn; -}; - -enum sparc_cpu sparc_cpu_model; -EXPORT_SYMBOL(sparc_cpu_model); - static __init void leon_patch(void) { - struct leon_1insn_patch_entry *start = (void *)__leon_1insn_patch; - struct leon_1insn_patch_entry *end = (void *)__leon_1insn_patch_end; - /* Default instruction is leon - no patching */ - if (sparc_cpu_model == sparc_leon) - return; - - while (start < end) { - unsigned long addr = start->addr; - - *(unsigned int *)(addr) = start->insn; - flushi(addr); - - start++; - } } struct tt_entry *sparc_ttable; @@ -273,22 +233,6 @@ static struct pt_regs fake_swapper_regs; void __init sparc32_start_kernel(struct linux_romvec *rp) { prom_init(rp); - - /* Set sparc_cpu_model */ - sparc_cpu_model = sun_unknown; - if (!strcmp(&cputypval[0], "sun4m")) - sparc_cpu_model = sun4m; - if (!strcmp(&cputypval[0], "sun4s")) - sparc_cpu_model = sun4m; /* CP-1200 with PROM 2.30 -E */ - if (!strcmp(&cputypval[0], "sun4d")) - sparc_cpu_model = sun4d; - if (!strcmp(&cputypval[0], "sun4e")) - sparc_cpu_model = sun4e; - if (!strcmp(&cputypval[0], "sun4u")) - sparc_cpu_model = sun4u; - if (!strncmp(&cputypval[0], "leon" , 4)) - sparc_cpu_model = sparc_leon; - leon_patch(); start_kernel(); } @@ -309,27 +253,6 @@ void __init setup_arch(char **cmdline_p) register_console(&prom_early_console); - switch(sparc_cpu_model) { - case sun4m: - pr_info("ARCH: SUN4M\n"); - break; - case sun4d: - pr_info("ARCH: SUN4D\n"); - break; - case sun4e: - pr_info("ARCH: SUN4E\n"); - break; - case sun4u: - pr_info("ARCH: SUN4U\n"); - break; - case sparc_leon: - pr_info("ARCH: LEON\n"); - break; - default: - pr_info("ARCH: UNKNOWN!\n"); - break; - } - idprom_init(); load_mmu(); -- 2.27.0