diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc834x_sys.c')
| -rw-r--r-- | arch/powerpc/platforms/83xx/mpc834x_sys.c | 89 |
1 files changed, 14 insertions, 75 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c index 2098dd05a773..7c18b4cd5db4 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_sys.c +++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c @@ -24,22 +24,15 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/root_dev.h> -#include <linux/module.h> -#include <linux/fsl_devices.h> #include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/page.h> #include <asm/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> #include <asm/ipic.h> #include <asm/bootinfo.h> -#include <asm/pci-bridge.h> -#include <asm/mpc83xx.h> #include <asm/irq.h> -#include <mm/mmu_decl.h> #include <asm/prom.h> #include <asm/udbg.h> #include <sysdev/fsl_soc.h> @@ -52,8 +45,6 @@ unsigned long isa_mem_base = 0; #endif #ifdef CONFIG_PCI -extern int mpc83xx_pci2_busno; - static int mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) { @@ -78,26 +69,14 @@ mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4; return PCI_IRQ_TABLE_LOOKUP; } - -static int -mpc83xx_exclude_device(u_char bus, u_char devfn) -{ - if (bus == 0 && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc83xx_pci2_busno) - if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; - return PCIBIOS_SUCCESSFUL; -} -#endif /* CONFIG_PCI */ +#endif /* CONFIG_PCI */ /* ************************************************************************ * * Setup the architecture * */ -static void __init -mpc834x_sys_setup_arch(void) +static void __init mpc834x_sys_setup_arch(void) { struct device_node *np; @@ -106,14 +85,14 @@ mpc834x_sys_setup_arch(void) np = of_find_node_by_type(NULL, "cpu"); if (np != 0) { - unsigned int *fp = (int *) get_property(np, "clock-frequency", NULL); + unsigned int *fp = + (int *)get_property(np, "clock-frequency", NULL); if (fp != 0) loops_per_jiffy = *fp / HZ; else loops_per_jiffy = 50000000 / HZ; of_node_put(np); } - #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) add_bridge(np); @@ -124,14 +103,13 @@ mpc834x_sys_setup_arch(void) #endif #ifdef CONFIG_ROOT_NFS - ROOT_DEV = Root_NFS; + ROOT_DEV = Root_NFS; #else - ROOT_DEV = Root_HDA1; + ROOT_DEV = Root_HDA1; #endif } -void __init -mpc834x_sys_init_IRQ(void) +void __init mpc834x_sys_init_IRQ(void) { u8 senses[8] = { 0, /* EXT 0 */ @@ -160,64 +138,27 @@ mpc834x_sys_init_IRQ(void) } #if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374) -extern ulong ds1374_get_rtc_time(void); -extern int ds1374_set_rtc_time(ulong); +extern ulong ds1374_get_rtc_time(void); +extern int ds1374_set_rtc_time(ulong); -static int __init -mpc834x_rtc_hookup(void) +static int __init mpc834x_rtc_hookup(void) { - struct timespec tv; + struct timespec tv; ppc_md.get_rtc_time = ds1374_get_rtc_time; ppc_md.set_rtc_time = ds1374_set_rtc_time; tv.tv_nsec = 0; - tv.tv_sec = (ppc_md.get_rtc_time)(); + tv.tv_sec = (ppc_md.get_rtc_time) (); do_settimeofday(&tv); return 0; } + late_initcall(mpc834x_rtc_hookup); #endif -static void -mpc83xx_restart(char *cmd) -{ -#define RST_OFFSET 0x00000900 -#define RST_PROT_REG 0x00000018 -#define RST_CTRL_REG 0x0000001c - __be32 __iomem *reg; - - // map reset register space - reg = ioremap(get_immrbase() + 0x900, 0xff); - - local_irq_disable(); - - /* enable software reset "RSTE" */ - out_be32(reg + (RST_PROT_REG >> 2), 0x52535445); - - /* set software hard reset */ - out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445); - for(;;); -} - -static long __init -mpc83xx_time_init(void) -{ -#define SPCR_OFFSET 0x00000110 -#define SPCR_TBEN 0x00400000 - __be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4); - __be32 tmp; - - tmp = in_be32(spcr); - out_be32(spcr, tmp|SPCR_TBEN); - - iounmap(spcr); - - return 0; -} -void __init -platform_init(void) +void __init platform_init(void) { /* setup the PowerPC module struct */ ppc_md.setup_arch = mpc834x_sys_setup_arch; @@ -239,5 +180,3 @@ platform_init(void) return; } - - |