[PATCH 2/6] 82xx: Add the support of Wind River SBC PowerQUICCII 82xx
From: Mark Zhan <hidden>
Date: 2007-06-08 12:19:38
Make some common mpc82xx platform hook functions be shared by different 82xx boards. Signed-off-by: Mark Zhan <redacted> --- b/arch/powerpc/platforms/82xx/mpc82xx.c | 28 +++++++++++++++++--- b/arch/powerpc/platforms/82xx/mpc82xx_ads.c | 38 ++++++---------------------- b/arch/powerpc/platforms/82xx/pq2ads.h | 2 - b/include/asm-powerpc/mpc8260.h | 5 +++ 4 files changed, 38 insertions(+), 35 deletions(-)
diff --git a/arch/powerpc/platforms/82xx/mpc82xx.cb/arch/powerpc/platforms/82xx/mpc82xx.c index cc9900d..0623c54 100644
--- a/arch/powerpc/platforms/82xx/mpc82xx.c
+++ b/arch/powerpc/platforms/82xx/mpc82xx.c@@ -50,8 +50,6 @@ #include <linux/fs_enet_pd.h> #include <sysdev/fsl_soc.h> #include <sysdev/cpm2_pic.h> -#include "pq2ads.h" - static int __init get_freq(char *name, unsigned long *val) { struct device_node *cpu;
@@ -74,7 +72,7 @@ static int __init get_freq(char *name, u return found; } -void __init m82xx_calibrate_decr(void) +void __init mpc82xx_calibrate_decr(void) { ppc_tb_freq = 125000000; if (!get_freq("bus-frequency", &ppc_tb_freq)) {
@@ -88,7 +86,7 @@ void __init m82xx_calibrate_decr(void) "(not found)\n"); } -void mpc82xx_ads_show_cpuinfo(struct seq_file *m) +void mpc82xx_show_cpuinfo(struct seq_file *m) { uint pvid, svid, phid1; uint memsize = total_memory;
@@ -108,3 +106,25 @@ void mpc82xx_ads_show_cpuinfo(struct seq /* Display the amount of memory */ seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); } + +#define RMR_CSRE 0x00000001 + +void mpc82xx_restart(char *cmd) +{ + __volatile__ unsigned char dummy; + + local_irq_disable(); + ((cpm2_map_t *) cpm2_immr)->im_clkrst.car_rmr |= RMR_CSRE; + + /* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */ + mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR)); + dummy = ((cpm2_map_t *) cpm2_immr)->im_clkrst.res[0]; + printk("Restart failed\n"); + while (1) ; +} + +void mpc82xx_halt(void) +{ + local_irq_disable(); + while (1) ; +}
diff --git a/arch/powerpc/platforms/82xx/mpc82xx_ads.cb/arch/powerpc/platforms/82xx/mpc82xx_ads.c index 47cb09f..4fec1ce 100644
--- a/arch/powerpc/platforms/82xx/mpc82xx_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc82xx_ads.c@@ -611,35 +611,15 @@ static int __init mpc82xx_ads_probe(void return 1; } -#define RMR_CSRE 0x00000001 -static void m82xx_restart(char *cmd) -{ - __volatile__ unsigned char dummy; - - local_irq_disable(); - ((cpm2_map_t *) cpm2_immr)->im_clkrst.car_rmr |= RMR_CSRE; - - /* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */ - mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR)); - dummy = ((cpm2_map_t *) cpm2_immr)->im_clkrst.res[0]; - printk("Restart failed\n"); - while (1) ; -} - -static void m82xx_halt(void) -{ - local_irq_disable(); - while (1) ; -} - define_machine(mpc82xx_ads) { - .name = "MPC82xx ADS", - .probe = mpc82xx_ads_probe, - .setup_arch = mpc82xx_ads_setup_arch, - .init_IRQ = mpc82xx_ads_pic_init, - .show_cpuinfo = mpc82xx_ads_show_cpuinfo, - .get_irq = cpm2_get_irq, - .calibrate_decr = m82xx_calibrate_decr, - .restart = m82xx_restart,.halt = m82xx_halt, + .name = "MPC82xx ADS", + .probe = mpc82xx_ads_probe, + .setup_arch = mpc82xx_ads_setup_arch, + .init_IRQ = mpc82xx_ads_pic_init, + .show_cpuinfo = mpc82xx_show_cpuinfo, + .get_irq = cpm2_get_irq, + .calibrate_decr = mpc82xx_calibrate_decr, + .restart = mpc82xx_restart, + .halt = mpc82xx_halt, };
diff --git a/arch/powerpc/platforms/82xx/pq2ads.hb/arch/powerpc/platforms/82xx/pq2ads.h index 5b5cca6..d83def1 100644
--- a/arch/powerpc/platforms/82xx/pq2ads.h
+++ b/arch/powerpc/platforms/82xx/pq2ads.h@@ -59,8 +59,6 @@ #define SIU_INT_SCC3 ((uint)0x2a+CPM_IR #define SIU_INT_SCC4 ((uint)0x2b+CPM_IRQ_OFFSET) void m82xx_pci_init_irq(void); -void mpc82xx_ads_show_cpuinfo(struct seq_file*); -void m82xx_calibrate_decr(void); #endif /* __MACH_ADS8260_DEFS */ #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/mpc8260.hb/include/asm-powerpc/mpc8260.h index e0d4807..e058e9e 100644
--- a/include/asm-powerpc/mpc8260.h
+++ b/include/asm-powerpc/mpc8260.h@@ -19,6 +19,11 @@ #ifdef CONFIG_PCI_8260 #include <platforms/82xx/m82xx_pci.h> #endif +extern void mpc82xx_show_cpuinfo(struct seq_file *); +extern void mpc82xx_calibrate_decr(void); +extern void mpc82xx_restart(char *cmd); +extern void mpc82xx_halt(void); + #endif /* CONFIG_8260 */ #endif /* !__ASM_POWERPC_MPC8260_H__ */ #endif /* __KERNEL__ */