aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/sysdev/cpm2.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/sysdev/cpm2.c')
-rw-r--r--arch/powerpc/sysdev/cpm2.c105
1 files changed, 7 insertions, 98 deletions
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index dd066bb1d56..5a6c5dfc53e 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -46,10 +46,6 @@
#include <sysdev/fsl_soc.h>
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-static void cpm2_dpinit(void);
-#endif
-
cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor space */
/* We allocate this here because it is used almost exclusively for
@@ -71,15 +67,17 @@ void __init cpm2_reset(void)
/* Reclaim the DP memory for our use.
*/
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
cpm_muram_init();
-#else
- cpm2_dpinit();
-#endif
/* Tell everyone where the comm processor resides.
*/
cpmp = &cpm2_immr->im_cpm;
+
+#ifndef CONFIG_PPC_EARLY_DEBUG_CPM
+ /* Reset the CPM.
+ */
+ cpm_command(CPM_CR_RST, 0);
+#endif
}
static DEFINE_SPINLOCK(cmd_lock);
@@ -99,7 +97,7 @@ int cpm_command(u32 command, u8 opcode)
if ((in_be32(&cpmp->cp_cpcr) & CPM_CR_FLG) == 0)
goto out;
- printk(KERN_ERR "%s(): Not able to issue CPM command\n", __FUNCTION__);
+ printk(KERN_ERR "%s(): Not able to issue CPM command\n", __func__);
ret = -EIO;
out:
spin_unlock_irqrestore(&cmd_lock, flags);
@@ -347,95 +345,6 @@ int cpm2_smc_clk_setup(enum cpm_clk_target target, int clock)
return ret;
}
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-/*
- * dpalloc / dpfree bits.
- */
-static spinlock_t cpm_dpmem_lock;
-/* 16 blocks should be enough to satisfy all requests
- * until the memory subsystem goes up... */
-static rh_block_t cpm_boot_dpmem_rh_block[16];
-static rh_info_t cpm_dpmem_info;
-static u8 __iomem *im_dprambase;
-
-static void cpm2_dpinit(void)
-{
- spin_lock_init(&cpm_dpmem_lock);
-
- /* initialize the info header */
- rh_init(&cpm_dpmem_info, 1,
- sizeof(cpm_boot_dpmem_rh_block) /
- sizeof(cpm_boot_dpmem_rh_block[0]),
- cpm_boot_dpmem_rh_block);
-
- im_dprambase = cpm2_immr;
-
- /* Attach the usable dpmem area */
- /* XXX: This is actually crap. CPM_DATAONLY_BASE and
- * CPM_DATAONLY_SIZE is only a subset of the available dpram. It
- * varies with the processor and the microcode patches activated.
- * But the following should be at least safe.
- */
- rh_attach_region(&cpm_dpmem_info, CPM_DATAONLY_BASE, CPM_DATAONLY_SIZE);
-}
-
-/* This function returns an index into the DPRAM area.
- */
-unsigned long cpm_dpalloc(uint size, uint align)
-{
- unsigned long start;
- unsigned long flags;
-
- spin_lock_irqsave(&cpm_dpmem_lock, flags);
- cpm_dpmem_info.alignment = align;
- start = rh_alloc(&cpm_dpmem_info, size, "commproc");
- spin_unlock_irqrestore(&cpm_dpmem_lock, flags);
-
- return (uint)start;
-}
-EXPORT_SYMBOL(cpm_dpalloc);
-
-int cpm_dpfree(unsigned long offset)
-{
- int ret;
- unsigned long flags;
-
- spin_lock_irqsave(&cpm_dpmem_lock, flags);
- ret = rh_free(&cpm_dpmem_info, offset);
- spin_unlock_irqrestore(&cpm_dpmem_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(cpm_dpfree);
-
-/* not sure if this is ever needed */
-unsigned long cpm_dpalloc_fixed(unsigned long offset, uint size, uint align)
-{
- unsigned long start;
- unsigned long flags;
-
- spin_lock_irqsave(&cpm_dpmem_lock, flags);
- cpm_dpmem_info.alignment = align;
- start = rh_alloc_fixed(&cpm_dpmem_info, offset, size, "commproc");
- spin_unlock_irqrestore(&cpm_dpmem_lock, flags);
-
- return start;
-}
-EXPORT_SYMBOL(cpm_dpalloc_fixed);
-
-void cpm_dpdump(void)
-{
- rh_dump(&cpm_dpmem_info);
-}
-EXPORT_SYMBOL(cpm_dpdump);
-
-void *cpm_dpram_addr(unsigned long offset)
-{
- return (void *)(im_dprambase + offset);
-}
-EXPORT_SYMBOL(cpm_dpram_addr);
-#endif /* !CONFIG_PPC_CPM_NEW_BINDING */
-
struct cpm2_ioports {
u32 dir, par, sor, odr, dat;
u32 res[3];