diff options
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/Kconfig | 6 | ||||
| -rw-r--r-- | arch/ppc/kernel/setup.c | 17 | ||||
| -rw-r--r-- | arch/ppc/xmon/start.c | 28 | ||||
| -rw-r--r-- | arch/ppc/xmon/xmon.c | 26 |
4 files changed, 53 insertions, 24 deletions
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index a04cdf01596b..8fa10cf661a8 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -1204,7 +1204,7 @@ config PCI_DOMAINS default PCI config MPC83xx_PCI2 - bool " Supprt for 2nd PCI host controller" + bool "Support for 2nd PCI host controller" depends on PCI && MPC834x default y if MPC834x_SYS @@ -1223,12 +1223,12 @@ config PCI_8260 default y config 8260_PCI9 - bool " Enable workaround for MPC826x erratum PCI 9" + bool "Enable workaround for MPC826x erratum PCI 9" depends on PCI_8260 && !ADS8272 default y choice - prompt " IDMA channel for PCI 9 workaround" + prompt "IDMA channel for PCI 9 workaround" depends on 8260_PCI9 config 8260_PCI9_IDMA1 diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index a74f46d9826f..5458ac5da7c3 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -127,11 +127,8 @@ void machine_restart(char *cmd) ppc_md.restart(cmd); } -void machine_power_off(void) +static void ppc_generic_power_off(void) { -#ifdef CONFIG_NVRAM - nvram_sync(); -#endif ppc_md.power_off(); } @@ -143,7 +140,17 @@ void machine_halt(void) ppc_md.halt(); } -void (*pm_power_off)(void) = machine_power_off; +void (*pm_power_off)(void) = ppc_generic_power_off; + +void machine_power_off(void) +{ +#ifdef CONFIG_NVRAM + nvram_sync(); +#endif + if (pm_power_off) + pm_power_off(); + ppc_generic_power_off(); +} #ifdef CONFIG_TAU extern u32 cpu_temp(unsigned long cpu); diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c index f7e92986952a..d74a883e5bde 100644 --- a/arch/ppc/xmon/start.c +++ b/arch/ppc/xmon/start.c @@ -15,6 +15,7 @@ #include <asm/processor.h> #include <asm/delay.h> #include <asm/btext.h> +#include <asm/ibm4xx.h> static volatile unsigned char *sccc, *sccd; unsigned int TXRDY, RXRDY, DLAB; @@ -57,23 +58,30 @@ static struct sysrq_key_op sysrq_xmon_op = void xmon_map_scc(void) { -#ifdef CONFIG_PPC_PREP - volatile unsigned char *base; - -#elif defined(CONFIG_GEMINI) +#if defined(CONFIG_GEMINI) /* should already be mapped by the kernel boot */ - sccc = (volatile unsigned char *) 0xffeffb0d; sccd = (volatile unsigned char *) 0xffeffb08; - TXRDY = 0x20; - RXRDY = 1; - DLAB = 0x80; #elif defined(CONFIG_405GP) - sccc = (volatile unsigned char *)0xef600305; sccd = (volatile unsigned char *)0xef600300; +#elif defined(CONFIG_440EP) + sccd = (volatile unsigned char *) ioremap(PPC440EP_UART0_ADDR, 8); +#elif defined(CONFIG_440SP) + sccd = (volatile unsigned char *) ioremap64(PPC440SP_UART0_ADDR, 8); +#elif defined(CONFIG_440SPE) + sccd = (volatile unsigned char *) ioremap64(PPC440SPE_UART0_ADDR, 8); +#elif defined(CONFIG_44x) + /* This is the default for 44x platforms. Any boards that have a + different UART address need to be put in cases before this or the + port will be mapped incorrectly */ + sccd = (volatile unsigned char *) ioremap64(PPC440GP_UART0_ADDR, 8); +#endif /* platform */ + +#ifndef CONFIG_PPC_PREP + sccc = sccd + 5; TXRDY = 0x20; RXRDY = 1; DLAB = 0x80; -#endif /* platform */ +#endif register_sysrq_key('x', &sysrq_xmon_op); } diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c index 37d234f93394..25d032b2aec7 100644 --- a/arch/ppc/xmon/xmon.c +++ b/arch/ppc/xmon/xmon.c @@ -153,6 +153,12 @@ static int xmon_trace[NR_CPUS]; #define SSTEP 1 /* stepping because of 's' command */ #define BRSTEP 2 /* stepping over breakpoint */ +#ifdef CONFIG_4xx +#define MSR_SSTEP_ENABLE 0x200 +#else +#define MSR_SSTEP_ENABLE 0x400 +#endif + static struct pt_regs *xmon_regs[NR_CPUS]; extern inline void sync(void) @@ -211,6 +217,14 @@ static void get_tb(unsigned *p) p[1] = lo; } +static inline void xmon_enable_sstep(struct pt_regs *regs) +{ + regs->msr |= MSR_SSTEP_ENABLE; +#ifdef CONFIG_4xx + mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); +#endif +} + int xmon(struct pt_regs *excp) { struct pt_regs regs; @@ -254,10 +268,10 @@ int xmon(struct pt_regs *excp) cmd = cmds(excp); if (cmd == 's') { xmon_trace[smp_processor_id()] = SSTEP; - excp->msr |= 0x400; + xmon_enable_sstep(excp); } else if (at_breakpoint(excp->nip)) { xmon_trace[smp_processor_id()] = BRSTEP; - excp->msr |= 0x400; + xmon_enable_sstep(excp); } else { xmon_trace[smp_processor_id()] = 0; insert_bpts(); @@ -298,7 +312,7 @@ xmon_bpt(struct pt_regs *regs) remove_bpts(); excprint(regs); xmon_trace[smp_processor_id()] = BRSTEP; - regs->msr |= 0x400; + xmon_enable_sstep(regs); } else { xmon(regs); } @@ -385,7 +399,7 @@ insert_bpts(void) } store_inst((void *) bp->address); } -#if !defined(CONFIG_8xx) +#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx)) if (dabr.enabled) set_dabr(dabr.address); if (iabr.enabled) @@ -400,7 +414,7 @@ remove_bpts(void) struct bpt *bp; unsigned instr; -#if !defined(CONFIG_8xx) +#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx)) set_dabr(0); set_iabr(0); #endif @@ -677,7 +691,7 @@ bpt_cmds(void) cmd = inchar(); switch (cmd) { -#if !defined(CONFIG_8xx) +#if ! (defined(CONFIG_8xx) || defined(CONFIG_4xx)) case 'd': mode = 7; cmd = inchar(); |