ppc: Move dp_alloc_base, dp_alloc_top to arch_global_data

Move these fields into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/powerpc/cpu/mpc8260/commproc.c

@@ -30,8 +30,8 @@ m8260_cpm_reset(void)
 
 	/* Reclaim the DP memory for our use.
 	*/
-	gd->dp_alloc_base = CPM_DATAONLY_BASE;
-	gd->dp_alloc_top = gd->dp_alloc_base + CPM_DATAONLY_SIZE;
+	gd->arch.dp_alloc_base = CPM_DATAONLY_BASE;
+	gd->arch.dp_alloc_top = gd->arch.dp_alloc_base + CPM_DATAONLY_SIZE;
 
 	/*
 	 * Reset CPM
@@ -60,21 +60,22 @@ m8260_cpm_dpalloc(uint size, uint align)
 	uint	savebase;
 
 	align_mask = align - 1;
-	savebase = gd->dp_alloc_base;
+	savebase = gd->arch.dp_alloc_base;
 
-	if ((off = (gd->dp_alloc_base & align_mask)) != 0)
-		gd->dp_alloc_base += (align - off);
+	off = gd->arch.dp_alloc_base & align_mask;
+	if (off != 0)
+		gd->arch.dp_alloc_base += (align - off);
 
 	if ((off = size & align_mask) != 0)
 		size += align - off;
 
-	if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top) {
-		gd->dp_alloc_base = savebase;
+	if ((gd->arch.dp_alloc_base + size) >= gd->arch.dp_alloc_top) {
+		gd->arch.dp_alloc_base = savebase;
 		panic("m8260_cpm_dpalloc: ran out of dual port ram!");
 	}
 
-	retloc = gd->dp_alloc_base;
-	gd->dp_alloc_base += size;
+	retloc = gd->arch.dp_alloc_base;
+	gd->arch.dp_alloc_base += size;
 
 	memset((void *)&immr->im_dprambase[retloc], 0, size);
 

arch/powerpc/cpu/mpc85xx/commproc.c

@@ -43,8 +43,8 @@ m8560_cpm_reset(void)
 
 	/* Reclaim the DP memory for our use.
 	*/
-	gd->dp_alloc_base = CPM_DATAONLY_BASE;
-	gd->dp_alloc_top = gd->dp_alloc_base + CPM_DATAONLY_SIZE;
+	gd->arch.dp_alloc_base = CPM_DATAONLY_BASE;
+	gd->arch.dp_alloc_top = gd->arch.dp_alloc_base + CPM_DATAONLY_SIZE;
 
 	/*
 	 * Reset CPM
@@ -69,21 +69,22 @@ m8560_cpm_dpalloc(uint size, uint align)
 	uint	savebase;
 
 	align_mask = align - 1;
-	savebase = gd->dp_alloc_base;
+	savebase = gd->arch.dp_alloc_base;
 
-	if ((off = (gd->dp_alloc_base & align_mask)) != 0)
-		gd->dp_alloc_base += (align - off);
+	off = gd->arch.dp_alloc_base & align_mask;
+	if (off != 0)
+		gd->arch.dp_alloc_base += (align - off);
 
 	if ((off = size & align_mask) != 0)
 		size += align - off;
 
-	if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top) {
-		gd->dp_alloc_base = savebase;
+	if ((gd->arch.dp_alloc_base + size) >= gd->arch.dp_alloc_top) {
+		gd->arch.dp_alloc_base = savebase;
 		panic("m8560_cpm_dpalloc: ran out of dual port ram!");
 	}
 
-	retloc = gd->dp_alloc_base;
-	gd->dp_alloc_base += size;
+	retloc = gd->arch.dp_alloc_base;
+	gd->arch.dp_alloc_base += size;
 
 	memset((void *)&(cpm->im_dprambase[retloc]), 0, size);
 

arch/powerpc/cpu/mpc8xx/commproc.c

@@ -31,8 +31,8 @@ DECLARE_GLOBAL_DATA_PTR;
 int dpram_init (void)
 {
 	/* Reclaim the DP memory for our use. */
-	gd->dp_alloc_base = CPM_DATAONLY_BASE;
-	gd->dp_alloc_top  = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
+	gd->arch.dp_alloc_base = CPM_DATAONLY_BASE;
+	gd->arch.dp_alloc_top  = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
 
 	return (0);
 }
@@ -43,19 +43,19 @@ int dpram_init (void)
  */
 uint dpram_alloc (uint size)
 {
-	uint addr = gd->dp_alloc_base;
+	uint addr = gd->arch.dp_alloc_base;
 
-	if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top)
+	if ((gd->arch.dp_alloc_base + size) >= gd->arch.dp_alloc_top)
 		return (CPM_DP_NOSPACE);
 
-	gd->dp_alloc_base += size;
+	gd->arch.dp_alloc_base += size;
 
 	return addr;
 }
 
 uint dpram_base (void)
 {
-	return gd->dp_alloc_base;
+	return gd->arch.dp_alloc_base;
 }
 
 /* Allocate some memory from the dual ported ram.  We may want to
@@ -66,12 +66,12 @@ uint dpram_alloc_align (uint size, uint align)
 {
 	uint addr, mask = align - 1;
 
-	addr = (gd->dp_alloc_base + mask) & ~mask;
+	addr = (gd->arch.dp_alloc_base + mask) & ~mask;
 
-	if ((addr + size) >= gd->dp_alloc_top)
+	if ((addr + size) >= gd->arch.dp_alloc_top)
 		return (CPM_DP_NOSPACE);
 
-	gd->dp_alloc_base = addr + size;
+	gd->arch.dp_alloc_base = addr + size;
 
 	return addr;
 }
@@ -80,6 +80,6 @@ uint dpram_base_align (uint align)
 {
 	uint mask = align - 1;
 
-	return (gd->dp_alloc_base + mask) & ~mask;
+	return (gd->arch.dp_alloc_base + mask) & ~mask;
 }
 #endif	/* CONFIG_SYS_ALLOC_DPRAM */

arch/powerpc/include/asm/global_data.h

@@ -112,6 +112,10 @@ struct arch_global_data {
 	unsigned long arbiter_event_attributes;
 	unsigned long arbiter_event_address;
 #endif
+#if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
+	unsigned int dp_alloc_base;
+	unsigned int dp_alloc_top;
+#endif
 };
 
 /*
@@ -141,10 +145,6 @@ typedef	struct	global_data {
 #ifdef CONFIG_PRE_CONSOLE_BUFFER
 	unsigned long	precon_buf_idx;	/* Pre-Console buffer index */
 #endif
-#if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
-	unsigned int	dp_alloc_base;
-	unsigned int	dp_alloc_top;
-#endif
 #if defined(CONFIG_4xx)
 	u32  uart_clk;
 #endif /* CONFIG_4xx */

examples/standalone/mem_to_mem_idma2intr.c

@@ -356,7 +356,7 @@ uint dpalloc (uint size, uint align)
 	/* Pointer to initial global data area */
 
 	if (dpinit_done == 0) {
-		dpbase = gd->dp_alloc_base;
+		dpbase = gd->arch.dp_alloc_base;
 		dpinit_done = 1;
 	}
 
@@ -369,7 +369,7 @@ uint dpalloc (uint size, uint align)
 	if ((off = size & align_mask) != 0)
 		size += align - off;
 
-	if ((dpbase + size) >= gd->dp_alloc_top) {
+	if ((dpbase + size) >= gd->arch.dp_alloc_top) {
 		dpbase = savebase;
 		printf ("dpalloc: ran out of dual port ram!");
 		return 0;