summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/sysdev/qe_lib/qe.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/sysdev/qe_lib/qe.c')
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe.c100
1 files changed, 4 insertions, 96 deletions
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index cff550eec7e..b3b73ae57d6 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -35,7 +35,6 @@
#include <asm/rheap.h>
static void qe_snums_init(void);
-static void qe_muram_init(void);
static int qe_sdma_init(void);
static DEFINE_SPINLOCK(qe_lock);
@@ -65,7 +64,7 @@ static phys_addr_t qebase = -1;
phys_addr_t get_qe_base(void)
{
struct device_node *qe;
- unsigned int size;
+ int size;
const u32 *prop;
if (qebase != -1)
@@ -88,7 +87,7 @@ phys_addr_t get_qe_base(void)
EXPORT_SYMBOL(get_qe_base);
-void qe_reset(void)
+void __init qe_reset(void)
{
if (qe_immr == NULL)
qe_immr = ioremap(get_qe_base(), QE_IMMAP_SIZE);
@@ -159,7 +158,7 @@ static unsigned int brg_clk = 0;
unsigned int qe_get_brg_clk(void)
{
struct device_node *qe;
- unsigned int size;
+ int size;
const u32 *prop;
if (brg_clk)
@@ -306,7 +305,7 @@ EXPORT_SYMBOL(qe_put_snum);
static int qe_sdma_init(void)
{
- struct sdma *sdma = &qe_immr->sdma;
+ struct sdma __iomem *sdma = &qe_immr->sdma;
unsigned long sdma_buf_offset;
if (!sdma)
@@ -325,97 +324,6 @@ static int qe_sdma_init(void)
return 0;
}
-/*
- * muram_alloc / muram_free bits.
- */
-static DEFINE_SPINLOCK(qe_muram_lock);
-
-/* 16 blocks should be enough to satisfy all requests
- * until the memory subsystem goes up... */
-static rh_block_t qe_boot_muram_rh_block[16];
-static rh_info_t qe_muram_info;
-
-static void qe_muram_init(void)
-{
- struct device_node *np;
- const u32 *address;
- u64 size;
- unsigned int flags;
-
- /* initialize the info header */
- rh_init(&qe_muram_info, 1,
- sizeof(qe_boot_muram_rh_block) /
- sizeof(qe_boot_muram_rh_block[0]), qe_boot_muram_rh_block);
-
- /* Attach the usable muram area */
- /* XXX: This is a subset of the available muram. It
- * varies with the processor and the microcode patches activated.
- */
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-muram-data");
- if (!np) {
- np = of_find_node_by_name(NULL, "data-only");
- if (!np) {
- WARN_ON(1);
- return;
- }
- }
-
- address = of_get_address(np, 0, &size, &flags);
- WARN_ON(!address);
-
- of_node_put(np);
- if (address)
- rh_attach_region(&qe_muram_info, *address, (int)size);
-}
-
-/* This function returns an index into the MURAM area.
- */
-unsigned long qe_muram_alloc(int size, int align)
-{
- unsigned long start;
- unsigned long flags;
-
- spin_lock_irqsave(&qe_muram_lock, flags);
- start = rh_alloc_align(&qe_muram_info, size, align, "QE");
- spin_unlock_irqrestore(&qe_muram_lock, flags);
-
- return start;
-}
-EXPORT_SYMBOL(qe_muram_alloc);
-
-int qe_muram_free(unsigned long offset)
-{
- int ret;
- unsigned long flags;
-
- spin_lock_irqsave(&qe_muram_lock, flags);
- ret = rh_free(&qe_muram_info, offset);
- spin_unlock_irqrestore(&qe_muram_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(qe_muram_free);
-
-/* not sure if this is ever needed */
-unsigned long qe_muram_alloc_fixed(unsigned long offset, int size)
-{
- unsigned long start;
- unsigned long flags;
-
- spin_lock_irqsave(&qe_muram_lock, flags);
- start = rh_alloc_fixed(&qe_muram_info, offset, size, "commproc");
- spin_unlock_irqrestore(&qe_muram_lock, flags);
-
- return start;
-}
-EXPORT_SYMBOL(qe_muram_alloc_fixed);
-
-void qe_muram_dump(void)
-{
- rh_dump(&qe_muram_info);
-}
-EXPORT_SYMBOL(qe_muram_dump);
-
/* The maximum number of RISCs we support */
#define MAX_QE_RISC 2