diff options
34 files changed, 81 insertions, 45 deletions
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c index eb6026ef1cb..97165b6b389 100644 --- a/arch/mips/au1000/common/setup.c +++ b/arch/mips/au1000/common/setup.c @@ -55,7 +55,7 @@ extern void au1xxx_time_init(void); extern void au1xxx_timer_setup(struct irqaction *irq); extern void set_cpuspec(void); -void __init plat_setup(void) +void __init plat_mem_setup(void) { struct cpu_spec *sp; char *argptr; diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index 928431a9bcb..ca719d6398b 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -120,7 +120,7 @@ static struct pci_controller cobalt_pci_controller = { .io_offset = 0 - GT64111_IO_BASE }; -void __init plat_setup(void) +void __init plat_mem_setup(void) { static struct uart_port uart; unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0); diff --git a/arch/mips/ddb5xxx/ddb5074/setup.c b/arch/mips/ddb5xxx/ddb5074/setup.c index 91456b068c2..4882ad1052e 100644 --- a/arch/mips/ddb5xxx/ddb5074/setup.c +++ b/arch/mips/ddb5xxx/ddb5074/setup.c @@ -86,7 +86,7 @@ static void __init ddb_time_init(void) -void __init plat_setup(void) +void __init plat_mem_setup(void) { set_io_port_base(NILE4_PCI_IO_BASE); isa_slot_offset = NILE4_PCI_MEM_BASE; diff --git a/arch/mips/ddb5xxx/ddb5476/setup.c b/arch/mips/ddb5xxx/ddb5476/setup.c index fc8d8bb4849..101021afb2e 100644 --- a/arch/mips/ddb5xxx/ddb5476/setup.c +++ b/arch/mips/ddb5xxx/ddb5476/setup.c @@ -150,7 +150,7 @@ static struct { static void ddb5476_board_init(void); -void __init plat_setup(void) +void __init plat_mem_setup(void) { set_io_port_base(KSEG1ADDR(DDB_PCI_IO_BASE)); diff --git a/arch/mips/ddb5xxx/ddb5477/setup.c b/arch/mips/ddb5xxx/ddb5477/setup.c index 2f566034cc4..93167ecdb42 100644 --- a/arch/mips/ddb5xxx/ddb5477/setup.c +++ b/arch/mips/ddb5xxx/ddb5477/setup.c @@ -171,7 +171,7 @@ static void ddb5477_board_init(void); extern struct pci_controller ddb5477_ext_controller; extern struct pci_controller ddb5477_io_controller; -void __init plat_setup(void) +void __init plat_mem_setup(void) { /* initialize board - we don't trust the loader */ ddb5477_board_init(); diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c index ad5d436d80c..9c707b9ceb6 100644 --- a/arch/mips/dec/setup.c +++ b/arch/mips/dec/setup.c @@ -147,7 +147,7 @@ static void __init dec_be_init(void) extern void dec_time_init(void); extern void dec_timer_setup(struct irqaction *); -void __init plat_setup(void) +void __init plat_mem_setup(void) { board_be_init = dec_be_init; board_time_init = dec_time_init; diff --git a/arch/mips/galileo-boards/ev96100/setup.c b/arch/mips/galileo-boards/ev96100/setup.c index 78dbb18edeb..a04aea6123d 100644 --- a/arch/mips/galileo-boards/ev96100/setup.c +++ b/arch/mips/galileo-boards/ev96100/setup.c @@ -55,7 +55,7 @@ extern void mips_reboot_setup(void); unsigned char mac_0_1[12]; -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned int config = read_c0_config(); unsigned int status = read_c0_status(); diff --git a/arch/mips/gt64120/ev64120/setup.c b/arch/mips/gt64120/ev64120/setup.c index 6d859d1e7a2..4236da31ecc 100644 --- a/arch/mips/gt64120/ev64120/setup.c +++ b/arch/mips/gt64120/ev64120/setup.c @@ -71,7 +71,7 @@ unsigned long __init prom_free_prom_memory(void) */ extern void gt64120_time_init(void); -void __init plat_setup(void) +void __init plat_mem_setup(void) { _machine_restart = galileo_machine_restart; _machine_halt = galileo_machine_halt; diff --git a/arch/mips/gt64120/momenco_ocelot/setup.c b/arch/mips/gt64120/momenco_ocelot/setup.c index 20b65d3d215..1193a22c469 100644 --- a/arch/mips/gt64120/momenco_ocelot/setup.c +++ b/arch/mips/gt64120/momenco_ocelot/setup.c @@ -152,7 +152,7 @@ void PMON_v2_setup() gt64120_base = 0xe0000000; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { void (*l3func)(unsigned long)=KSEG1ADDR(&setup_l3cache); unsigned int tmpword; diff --git a/arch/mips/ite-boards/generic/it8172_setup.c b/arch/mips/ite-boards/generic/it8172_setup.c index 00844e621e5..da6ae099119 100644 --- a/arch/mips/ite-boards/generic/it8172_setup.c +++ b/arch/mips/ite-boards/generic/it8172_setup.c @@ -154,7 +154,7 @@ void __init it8172_init_ram_resource(unsigned long memsize) it8172_resources.ram.end = memsize; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned short dsr; char *argptr; diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c index 4036dc43455..c8d0df7d0c3 100644 --- a/arch/mips/jazz/setup.c +++ b/arch/mips/jazz/setup.c @@ -52,7 +52,7 @@ static struct resource jazz_io_resources[] = { { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY }, }; -void __init plat_setup(void) +void __init plat_mem_setup(void) { int i; diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index 1f136551f2a..308e6cdcd24 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -238,7 +238,7 @@ static void jmr3927_board_init(void); extern struct resource pci_io_resource; extern struct resource pci_mem_resource; -void __init plat_setup(void) +void __init plat_mem_setup(void) { char *argptr; diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 397a70e651b..bfcec8d9bfe 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -442,6 +442,48 @@ static inline void bootmem_init(void) #endif /* CONFIG_BLK_DEV_INITRD */ } +/* + * arch_mem_init - initialize memory managment subsystem + * + * o plat_mem_setup() detects the memory configuration and will record detected + * memory areas using add_memory_region. + * o parse_cmdline_early() parses the command line for mem= options which, + * iff detected, will override the results of the automatic detection. + * + * At this stage the memory configuration of the system is known to the + * kernel but generic memory managment system is still entirely uninitialized. + * + * o bootmem_init() + * o sparse_init() + * o paging_init() + * + * At this stage the bootmem allocator is ready to use. + * + * NOTE: historically plat_mem_setup did the entire platform initialization. + * This was rather impractical because it meant plat_mem_setup had to + * get away without any kind of memory allocator. To keep old code from + * breaking plat_setup was just renamed to plat_setup and a second platform + * initialization hook for anything else was introduced. + */ + +extern void plat_mem_setup(void); + +static void __init arch_mem_init(char **cmdline_p) +{ + /* call board setup routine */ + plat_mem_setup(); + + strlcpy(command_line, arcs_cmdline, sizeof(command_line)); + strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); + + *cmdline_p = command_line; + + parse_cmdline_early(); + bootmem_init(); + sparse_init(); + paging_init(); +} + static inline void resource_init(void) { int i; @@ -495,8 +537,6 @@ static inline void resource_init(void) #undef MAXMEM #undef MAXMEM_PFN -extern void plat_setup(void); - void __init setup_arch(char **cmdline_p) { cpu_probe(); @@ -511,18 +551,8 @@ void __init setup_arch(char **cmdline_p) #endif #endif - /* call board setup routine */ - plat_setup(); + arch_mem_init(cmdline_p); - strlcpy(command_line, arcs_cmdline, sizeof(command_line)); - strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); - - *cmdline_p = command_line; - - parse_cmdline_early(); - bootmem_init(); - sparse_init(); - paging_init(); resource_init(); #ifdef CONFIG_SMP plat_smp_setup(); diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c index bb70a8240e6..3f64277429e 100644 --- a/arch/mips/lasat/setup.c +++ b/arch/mips/lasat/setup.c @@ -155,7 +155,7 @@ void __init serial_init(void) } #endif -void __init plat_setup(void) +void __init plat_mem_setup(void) { int i; lasat_misc = &lasat_misc_info[mips_machtype]; diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c index c20d401ecf8..8cc9effcb83 100644 --- a/arch/mips/mips-boards/atlas/atlas_setup.c +++ b/arch/mips/mips-boards/atlas/atlas_setup.c @@ -50,7 +50,7 @@ const char *get_system_type(void) return "MIPS Atlas"; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { mips_pcibios_init(); diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c index ae1de3dc71e..0766e434b6b 100644 --- a/arch/mips/mips-boards/malta/malta_setup.c +++ b/arch/mips/mips-boards/malta/malta_setup.c @@ -111,7 +111,7 @@ void __init fd_activate(void) } #endif -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned int i; diff --git a/arch/mips/mips-boards/sead/sead_setup.c b/arch/mips/mips-boards/sead/sead_setup.c index 4266ce44517..6430f11f3a9 100644 --- a/arch/mips/mips-boards/sead/sead_setup.c +++ b/arch/mips/mips-boards/sead/sead_setup.c @@ -45,7 +45,7 @@ const char *get_system_type(void) return "MIPS SEAD"; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { ioport_resource.end = 0x7fffffff; diff --git a/arch/mips/mips-boards/sim/sim_setup.c b/arch/mips/mips-boards/sim/sim_setup.c index a2fd62997ca..15a5dac4ae1 100644 --- a/arch/mips/mips-boards/sim/sim_setup.c +++ b/arch/mips/mips-boards/sim/sim_setup.c @@ -50,7 +50,7 @@ const char *get_system_type(void) return "MIPSsim"; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { set_io_port_base(0xbfd00000); diff --git a/arch/mips/momentum/jaguar_atx/setup.c b/arch/mips/momentum/jaguar_atx/setup.c index 1379c76845d..df1485501ce 100644 --- a/arch/mips/momentum/jaguar_atx/setup.c +++ b/arch/mips/momentum/jaguar_atx/setup.c @@ -359,7 +359,7 @@ static __init int __init ja_pci_init(void) arch_initcall(ja_pci_init); -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned int tmpword; diff --git a/arch/mips/momentum/ocelot_3/setup.c b/arch/mips/momentum/ocelot_3/setup.c index c6919523430..8c53490ba6f 100644 --- a/arch/mips/momentum/ocelot_3/setup.c +++ b/arch/mips/momentum/ocelot_3/setup.c @@ -313,7 +313,7 @@ static __init int __init ja_pci_init(void) arch_initcall(ja_pci_init); -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned int tmpword; diff --git a/arch/mips/momentum/ocelot_c/setup.c b/arch/mips/momentum/ocelot_c/setup.c index a3e6f557559..257e1d1b72d 100644 --- a/arch/mips/momentum/ocelot_c/setup.c +++ b/arch/mips/momentum/ocelot_c/setup.c @@ -231,7 +231,7 @@ void momenco_time_init(void) rtc_mips_set_time = m48t37y_set_time; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { unsigned int tmpword; diff --git a/arch/mips/momentum/ocelot_g/setup.c b/arch/mips/momentum/ocelot_g/setup.c index fed4e8eee11..72143ab1e90 100644 --- a/arch/mips/momentum/ocelot_g/setup.c +++ b/arch/mips/momentum/ocelot_g/setup.c @@ -162,7 +162,7 @@ static void __init setup_l3cache(unsigned long size) printk("Done\n"); } -void __init plat_setup(void) +void __init plat_mem_setup(void) { void (*l3func)(unsigned long) = (void *) KSEG1ADDR(setup_l3cache); unsigned int tmpword; diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/philips/pnx8550/common/setup.c index 2b199f33808..0e791f4f6ea 100644 --- a/arch/mips/philips/pnx8550/common/setup.c +++ b/arch/mips/philips/pnx8550/common/setup.c @@ -99,7 +99,7 @@ unsigned long get_system_mem_size(void) int pnx8550_console_port = -1; -void __init plat_setup(void) +void __init plat_mem_setup(void) { int i; char* argptr; diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 3f724d661bd..aa0d6ff3c6e 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -218,7 +218,7 @@ static void __init py_late_time_init(void) py_rtc_setup(); } -void __init plat_setup(void) +void __init plat_mem_setup(void) { board_time_init = yosemite_time_init; late_time_init = py_late_time_init; diff --git a/arch/mips/qemu/q-setup.c b/arch/mips/qemu/q-setup.c index f27155bc2d9..e100d6072e3 100644 --- a/arch/mips/qemu/q-setup.c +++ b/arch/mips/qemu/q-setup.c @@ -20,7 +20,7 @@ static void __init qemu_timer_setup(struct irqaction *irq) setup_irq(0, irq); } -void __init plat_setup(void) +void __init plat_mem_setup(void) { set_io_port_base(QEMU_PORT_BASE); board_timer_setup = qemu_timer_setup; diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c index 7018e1833e8..d7138906eb1 100644 --- a/arch/mips/sgi-ip22/ip22-setup.c +++ b/arch/mips/sgi-ip22/ip22-setup.c @@ -53,7 +53,7 @@ EXPORT_SYMBOL(ip22_do_break); extern void ip22_be_init(void) __init; extern void ip22_time_init(void) __init; -void __init plat_setup(void) +void __init plat_mem_setup(void) { char *ctype; char *cserial; diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 16c4b3410ea..a6b490e9970 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -196,7 +196,7 @@ extern void ip27_setup_console(void); extern void ip27_time_init(void); extern void ip27_reboot_setup(void); -void __init plat_setup(void) +void __init plat_mem_setup(void) { hubreg_t p, e, n_mode; nasid_t nid; diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index a2dd8ae1ea8..acbdad06fac 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -87,7 +87,7 @@ void __init ip32_timer_setup(struct irqaction *irq) setup_irq(IP32_R4K_TIMER_IRQ, irq); } -void __init plat_setup(void) +void __init plat_mem_setup(void) { board_be_init = ip32_be_init; diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c index 4b5f74ff3ed..7f646bc0719 100644 --- a/arch/mips/sibyte/swarm/setup.c +++ b/arch/mips/sibyte/swarm/setup.c @@ -103,7 +103,7 @@ int swarm_be_handler(struct pt_regs *regs, int is_fixup) return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL); } -void __init plat_setup(void) +void __init plat_mem_setup(void) { #if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) bcm1480_setup(); diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index c33cb9d1e18..635b904cabd 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -252,7 +252,7 @@ static inline void sni_pcimt_time_init(void) rtc_mips_set_time = mc146818_set_rtc_mmss; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { sni_pcimt_detect(); sni_pcimt_sc_init(); diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c index 77c3b66fb95..81a5acfe8c4 100644 --- a/arch/mips/tx4927/common/tx4927_setup.c +++ b/arch/mips/tx4927/common/tx4927_setup.c @@ -64,7 +64,7 @@ static void tx4927_write_buffer_flush(void) } -void __init plat_setup(void) +void __init plat_mem_setup(void) { board_time_init = tx4927_time_init; board_timer_setup = tx4927_timer_setup; diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c index fc992953bf9..ef59a5cffc6 100644 --- a/arch/mips/tx4938/common/setup.c +++ b/arch/mips/tx4938/common/setup.c @@ -61,7 +61,7 @@ tx4938_write_buffer_flush(void) } void __init -plat_setup(void) +plat_mem_setup(void) { board_time_init = tx4938_time_init; board_timer_setup = tx4938_timer_setup; diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c index 707bd0933ee..915bfa5c071 100644 --- a/arch/mips/vr41xx/common/init.c +++ b/arch/mips/vr41xx/common/init.c @@ -58,7 +58,7 @@ static void __init timer_init(void) board_timer_setup = setup_timer_irq; } -void __init plat_setup(void) +void __init plat_mem_setup(void) { vr41xx_calculate_clock_frequency(); diff --git a/include/asm-mips/bootinfo.h b/include/asm-mips/bootinfo.h index 14fc88f2722..edf2b9a71c8 100644 --- a/include/asm-mips/bootinfo.h +++ b/include/asm-mips/bootinfo.h @@ -258,4 +258,10 @@ extern char arcs_cmdline[CL_SIZE]; * Registers a0, a1, a3 and a4 as passed to the kenrel entry by firmware */ extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3; + +/* + * Platform memory detection hook called by setup_arch + */ +extern void plat_mem_setup(void); + #endif /* _ASM_BOOTINFO_H */ |