From: Stefan Roese <sr@denx.de>
To: linuxppc-embedded@ozlabs.org
Subject: [PATCH] ppc32: cleanup AMCC PPC44x eval boards to better support U-Boot
Date: Mon, 19 Sep 2005 13:20:09 +0200 [thread overview]
Message-ID: <200509191320.09661.sr@denx.de> (raw)
In-Reply-To: <20050915092555.A27452@cox.net>
[-- Attachment #1: Type: text/plain, Size: 164 bytes --]
Cleanup PPC440 eval boards (bamboo, ebony, luan and ocotea) to better
support U-Boot as bootloader.
Signed-off-by: Stefan Roese <sr@denx.de>
Best regards,
Stefan
[-- Attachment #2: ppc44x_u-boot.patch --]
[-- Type: text/x-diff, Size: 6951 bytes --]
[PATCH] ppc32: cleanup AMCC PPC44x eval boards to better support U-Boot
Cleanup PPC440 eval boards (bamboo, ebony, luan and ocotea) to better
support U-Boot as bootloader.
Signed-off-by: Stefan Roese <sr@denx.de>
---
commit bd7c0c4a9e3dac8549cc0c557ab809d4d0785005
tree cb6578ee063c0975a1e951785d6ab18c921d8e62
parent d8ac10639b6a1ed900efbee38c18baaca31e64dc
author Stefan Roese <sr@denx.de> Mon, 19 Sep 2005 13:11:52 +0200
committer Stefan Roese <sr@denx.de> Mon, 19 Sep 2005 13:11:52 +0200
arch/ppc/platforms/4xx/bamboo.c | 14 ++------------
arch/ppc/platforms/4xx/ebony.c | 13 ++-----------
arch/ppc/platforms/4xx/luan.c | 13 ++-----------
arch/ppc/platforms/4xx/ocotea.c | 31 +++++++++++--------------------
arch/ppc/syslib/ibm44x_common.c | 35 ++++++++++++++++++++++++++++++++++-
arch/ppc/syslib/ibm44x_common.h | 3 ++-
6 files changed, 53 insertions(+), 56 deletions(-)
diff --git a/arch/ppc/platforms/4xx/bamboo.c b/arch/ppc/platforms/4xx/bamboo.c
--- a/arch/ppc/platforms/4xx/bamboo.c
+++ b/arch/ppc/platforms/4xx/bamboo.c
@@ -52,7 +52,7 @@
#include <syslib/gen550.h>
#include <syslib/ibm440gx_common.h>
-bd_t __res;
+extern bd_t __res;
static struct ibm44x_clocks clocks __initdata;
@@ -426,17 +426,7 @@ bamboo_setup_arch(void)
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3)
- __res = *(bd_t *)(r3 + KERNELBASE);
-
-
- ibm44x_platform_init();
+ ibm44x_platform_init(r3, r4, r5, r6, r7);
ppc_md.setup_arch = bamboo_setup_arch;
ppc_md.show_cpuinfo = bamboo_show_cpuinfo;
diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c
--- a/arch/ppc/platforms/4xx/ebony.c
+++ b/arch/ppc/platforms/4xx/ebony.c
@@ -55,7 +55,7 @@
#include <syslib/gen550.h>
#include <syslib/ibm440gp_common.h>
-bd_t __res;
+extern bd_t __res;
static struct ibm44x_clocks clocks __initdata;
@@ -318,16 +318,7 @@ ebony_setup_arch(void)
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3)
- __res = *(bd_t *)(r3 + KERNELBASE);
-
- ibm44x_platform_init();
+ ibm44x_platform_init(r3, r4, r5, r6, r7);
ppc_md.setup_arch = ebony_setup_arch;
ppc_md.show_cpuinfo = ebony_show_cpuinfo;
diff --git a/arch/ppc/platforms/4xx/luan.c b/arch/ppc/platforms/4xx/luan.c
--- a/arch/ppc/platforms/4xx/luan.c
+++ b/arch/ppc/platforms/4xx/luan.c
@@ -53,7 +53,7 @@
#include <syslib/ibm440gx_common.h>
#include <syslib/ibm440sp_common.h>
-bd_t __res;
+extern bd_t __res;
static struct ibm44x_clocks clocks __initdata;
@@ -356,16 +356,7 @@ luan_setup_arch(void)
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3)
- __res = *(bd_t *)(r3 + KERNELBASE);
-
- ibm44x_platform_init();
+ ibm44x_platform_init(r3, r4, r5, r6, r7);
ppc_md.setup_arch = luan_setup_arch;
ppc_md.show_cpuinfo = luan_show_cpuinfo;
diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c
--- a/arch/ppc/platforms/4xx/ocotea.c
+++ b/arch/ppc/platforms/4xx/ocotea.c
@@ -53,7 +53,7 @@
#include <syslib/gen550.h>
#include <syslib/ibm440gx_common.h>
-bd_t __res;
+extern bd_t __res;
static struct ibm44x_clocks clocks __initdata;
@@ -287,6 +287,15 @@ ocotea_setup_arch(void)
ibm440gx_tah_enable();
+ /*
+ * Determine various clocks.
+ * To be completely correct we should get SysClk
+ * from FPGA, because it can be changed by on-board switches
+ * --ebs
+ */
+ ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200);
+ ocp_sys_info.opb_bus_freq = clocks.opb;
+
/* Setup TODC access */
TODC_INIT(TODC_TYPE_DS1743,
0,
@@ -325,25 +334,7 @@ static void __init ocotea_init(void)
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
- parse_bootinfo(find_bootinfo());
-
- /*
- * If we were passed in a board information, copy it into the
- * residual data area.
- */
- if (r3)
- __res = *(bd_t *)(r3 + KERNELBASE);
-
- /*
- * Determine various clocks.
- * To be completely correct we should get SysClk
- * from FPGA, because it can be changed by on-board switches
- * --ebs
- */
- ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200);
- ocp_sys_info.opb_bus_freq = clocks.opb;
-
- ibm44x_platform_init();
+ ibm44x_platform_init(r3, r4, r5, r6, r7);
ppc_md.setup_arch = ocotea_setup_arch;
ppc_md.show_cpuinfo = ocotea_show_cpuinfo;
diff --git a/arch/ppc/syslib/ibm44x_common.c b/arch/ppc/syslib/ibm44x_common.c
--- a/arch/ppc/syslib/ibm44x_common.c
+++ b/arch/ppc/syslib/ibm44x_common.c
@@ -27,9 +27,14 @@
#include <asm/time.h>
#include <asm/ppc4xx_pic.h>
#include <asm/param.h>
+#include <asm/bootinfo.h>
+#include <asm/ppcboot.h>
#include <syslib/gen550.h>
+/* Global Variables */
+bd_t __res;
+
phys_addr_t fixup_bigphys_addr(phys_addr_t addr, phys_addr_t size)
{
phys_addr_t page_4gb = 0;
@@ -150,8 +155,36 @@ static unsigned long __init ibm44x_find_
return mem_size;
}
-void __init ibm44x_platform_init(void)
+void __init ibm44x_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
{
+ parse_bootinfo(find_bootinfo());
+
+ /*
+ * If we were passed in a board information, copy it into the
+ * residual data area.
+ */
+ if (r3)
+ __res = *(bd_t *)(r3 + KERNELBASE);
+
+#if defined(CONFIG_BLK_DEV_INITRD)
+ /*
+ * If the init RAM disk has been configured in, and there's a valid
+ * starting address for it, set it up.
+ */
+ if (r4) {
+ initrd_start = r4 + KERNELBASE;
+ initrd_end = r5 + KERNELBASE;
+ }
+#endif /* CONFIG_BLK_DEV_INITRD */
+
+ /* Copy the kernel command line arguments to a safe place. */
+
+ if (r6) {
+ *(char *) (r7 + KERNELBASE) = 0;
+ strcpy(cmd_line, (char *) (r6 + KERNELBASE));
+ }
+
ppc_md.init_IRQ = ppc4xx_pic_init;
ppc_md.find_end_of_memory = ibm44x_find_end_of_memory;
ppc_md.restart = ibm44x_restart;
diff --git a/arch/ppc/syslib/ibm44x_common.h b/arch/ppc/syslib/ibm44x_common.h
--- a/arch/ppc/syslib/ibm44x_common.h
+++ b/arch/ppc/syslib/ibm44x_common.h
@@ -36,7 +36,8 @@ struct ibm44x_clocks {
};
/* common 44x platform init */
-void ibm44x_platform_init(void) __init;
+void ibm44x_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7) __init;
/* initialize decrementer and tick-related variables */
void ibm44x_calibrate_decr(unsigned int freq) __init;
next prev parent reply other threads:[~2005-09-19 11:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-26 1:31 Address mapping PPC 405 P. Sadik
2005-08-26 3:10 ` Grant Likely
2005-08-26 22:47 ` Peter Ryser
2005-08-28 15:15 ` Jon Masters
2005-08-29 0:26 ` Grant Likely
2005-08-29 1:11 ` Jon Masters
2005-08-30 15:38 ` Matt Porter
2005-09-15 16:03 ` PPC4xx cleanup Stefan Roese
2005-09-15 16:25 ` Matt Porter
2005-09-15 19:03 ` Dan Malek
2005-09-19 14:08 ` Matt Porter
2005-09-16 11:06 ` [PATCH] ppc32: cleanup AMCC PPC4xx eval boards to better support U-Boot Stefan Roese
2005-09-16 16:27 ` Eugene Surovegin
2005-09-19 11:02 ` Stefan Roese
2005-09-19 13:59 ` Matt Porter
2005-09-19 15:06 ` Stefan Roese
2005-09-19 15:21 ` Matt Porter
2005-09-19 17:14 ` Eugene Surovegin
2005-11-22 17:34 ` [PATCH] ppc32: Add P3P440 (440GP) board support Stefan Roese
2005-09-19 11:20 ` Stefan Roese [this message]
2005-09-30 12:52 ` [PATCH] ppc32: cleanup AMCC PPC40x eval boards to support U-Boot Stefan Roese
2005-10-28 15:58 ` [PATCH] ppc32: Remove internal PCI arbiter check on PPC40x Stefan Roese
2005-10-31 9:29 ` [PATCH] ppc32: Add missing initrd header on ppc440 Stefan Roese
2005-10-31 14:41 ` Matt Porter
2005-08-30 15:09 ` Address mapping PPC 405 Matt Porter
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