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authorLinus Torvalds <torvalds@linux-foundation.org>2010-07-14 17:27:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-07-14 17:27:29 -0700
commitea4c1a7e14051e2ba81fc7dc02e3d55bfb2d7548 (patch)
treeed80eaf6245d8d1509662dc42e7184391b91e7d1 /arch
parentbcefc8d0d3a0cba9078f519d69f138b93ad30e39 (diff)
parent77154a2026ee5cb2ce05a7d370c16e4c123028e5 (diff)
downloadlinux-ea4c1a7e14051e2ba81fc7dc02e3d55bfb2d7548.tar.gz
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/fsl-booke: Fix address issue when using relocatable kernels
  powerpc/cpm1: Mark micropatch code/data static and __init
  powerpc/cpm1: Fix build with various CONFIG_*_UCODE_PATCH combinations
  powerpc/cpm: Reintroduce global spi_pram struct (fixes build issue)
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/cpm.h24
-rw-r--r--arch/powerpc/include/asm/cpm1.h3
-rw-r--r--arch/powerpc/kernel/fsl_booke_entry_mapping.S4
-rw-r--r--arch/powerpc/sysdev/micropatch.c30
4 files changed, 45 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h
index 0835eb977ba9..e50323fe941f 100644
--- a/arch/powerpc/include/asm/cpm.h
+++ b/arch/powerpc/include/asm/cpm.h
@@ -7,6 +7,30 @@
 #include <linux/of.h>
 
 /*
+ * SPI Parameter RAM common to QE and CPM.
+ */
+struct spi_pram {
+	__be16	rbase;	/* Rx Buffer descriptor base address */
+	__be16	tbase;	/* Tx Buffer descriptor base address */
+	u8	rfcr;	/* Rx function code */
+	u8	tfcr;	/* Tx function code */
+	__be16	mrblr;	/* Max receive buffer length */
+	__be32	rstate;	/* Internal */
+	__be32	rdp;	/* Internal */
+	__be16	rbptr;	/* Internal */
+	__be16	rbc;	/* Internal */
+	__be32	rxtmp;	/* Internal */
+	__be32	tstate;	/* Internal */
+	__be32	tdp;	/* Internal */
+	__be16	tbptr;	/* Internal */
+	__be16	tbc;	/* Internal */
+	__be32	txtmp;	/* Internal */
+	__be32	res;	/* Tx temp. */
+	__be16  rpbase;	/* Relocation pointer (CPM1 only) */
+	__be16	res1;	/* Reserved */
+};
+
+/*
  * USB Controller pram common to QE and CPM.
  */
 struct usb_ctlr {
diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h
index 81b01192f440..bd07650dca56 100644
--- a/arch/powerpc/include/asm/cpm1.h
+++ b/arch/powerpc/include/asm/cpm1.h
@@ -17,6 +17,7 @@
 #ifndef __CPM1__
 #define __CPM1__
 
+#include <linux/init.h>
 #include <asm/8xx_immap.h>
 #include <asm/ptrace.h>
 #include <asm/cpm.h>
@@ -54,7 +55,7 @@ extern cpm8xx_t __iomem *cpmp; /* Pointer to comm processor */
 
 extern void cpm_setbrg(uint brg, uint rate);
 
-extern void cpm_load_patch(cpm8xx_t *cp);
+extern void __init cpm_load_patch(cpm8xx_t *cp);
 
 extern void cpm_reset(void);
 
diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/fsl_booke_entry_mapping.S
index beb4d78a2304..a92c79be2728 100644
--- a/arch/powerpc/kernel/fsl_booke_entry_mapping.S
+++ b/arch/powerpc/kernel/fsl_booke_entry_mapping.S
@@ -205,8 +205,7 @@ next_tlb_setup:
 	bdnz+   next_tlb_setup
 
 /* 7. Jump to our 1:1 mapping */
-	li	r6, 0
-
+	mr	r6, r25
 #else
 	#error You need to specify the mapping or not use this at all.
 #endif
@@ -217,7 +216,6 @@ next_tlb_setup:
 1:	mflr	r9
 	rlwimi	r6,r9,0,20,31
 	addi	r6,r6,(2f - 1b)
-	add	r6, r6, r25
 	mtspr	SPRN_SRR0,r6
 	mtspr	SPRN_SRR1,r7
 	rfi				/* start execution out of TLB1[0] entry */
diff --git a/arch/powerpc/sysdev/micropatch.c b/arch/powerpc/sysdev/micropatch.c
index d8d602840757..c0bb76ef7242 100644
--- a/arch/powerpc/sysdev/micropatch.c
+++ b/arch/powerpc/sysdev/micropatch.c
@@ -4,6 +4,7 @@
  * also relocates SMC2, but this would require additional changes
  * to uart.c, so I am holding off on that for a moment.
  */
+#include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -16,6 +17,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/8xx_immap.h>
+#include <asm/cpm.h>
 #include <asm/cpm1.h>
 
 /*
@@ -24,7 +26,7 @@
 
 #ifdef CONFIG_I2C_SPI_UCODE_PATCH
 
-uint patch_2000[] = {
+static uint patch_2000[] __initdata = {
 	0x7FFFEFD9,
 	0x3FFD0000,
 	0x7FFB49F7,
@@ -143,7 +145,7 @@ uint patch_2000[] = {
 	0x5F8247F8
 };
 
-uint patch_2f00[] = {
+static uint patch_2f00[] __initdata = {
 	0x3E303430,
 	0x34343737,
 	0xABF7BF9B,
@@ -182,7 +184,7 @@ uint patch_2f00[] = {
 
 #ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
 
-uint patch_2000[] = {
+static uint patch_2000[] __initdata = {
 	0x3fff0000,
 	0x3ffd0000,
 	0x3ffb0000,
@@ -505,7 +507,7 @@ uint patch_2000[] = {
 	0x6079e2bb
 };
 
-uint patch_2f00[] = {
+static uint patch_2f00[] __initdata = {
 	0x30303030,
 	0x3e3e3434,
 	0xabbf9b99,
@@ -572,7 +574,7 @@ uint patch_2f00[] = {
 	0xf22f3f23
 };
 
-uint patch_2e00[] = {
+static uint patch_2e00[] __initdata = {
 	0x27eeeeee,
 	0xeeeeeeee,
 	0xeeeeeeee,
@@ -598,7 +600,7 @@ uint patch_2e00[] = {
 
 #ifdef CONFIG_USB_SOF_UCODE_PATCH
 
-uint patch_2000[] = {
+static uint patch_2000[] __initdata = {
 	0x7fff0000,
 	0x7ffd0000,
 	0x7ffb0000,
@@ -613,21 +615,25 @@ uint patch_2000[] = {
 	0x60750000
 };
 
-uint patch_2f00[] = {
+static uint patch_2f00[] __initdata = {
 	0x3030304c,
 	0xcab9e441,
 	0xa1aaf220
 };
 #endif
 
-void
-cpm_load_patch(cpm8xx_t	*cp)
+void __init cpm_load_patch(cpm8xx_t *cp)
 {
 	volatile uint		*dp;		/* Dual-ported RAM. */
 	volatile cpm8xx_t	*commproc;
+#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
+    defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
 	volatile iic_t		*iip;
-	volatile spi_t		*spp;
+	volatile struct spi_pram *spp;
+#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
 	volatile smc_uart_t	*smp;
+#endif
+#endif
 	int	i;
 
 	commproc = cp;
@@ -668,8 +674,8 @@ cpm_load_patch(cpm8xx_t	*cp)
 	/* Put SPI above the IIC, also 32-byte aligned.
 	*/
 	i = (RPBASE + sizeof(iic_t) + 31) & ~31;
-	spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
-	spp->spi_rpbase = i;
+	spp = (struct spi_pram *)&commproc->cp_dparam[PROFF_SPI];
+	spp->rpbase = i;
 
 # if defined(CONFIG_I2C_SPI_UCODE_PATCH)
 	commproc->cp_cpmcr1 = 0x802a;