Re: [Qemu-devel] [PATCH] Add Palm Tungsten|C support

[Marek Vasut <marek.vasut@gmail.com>]

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On Wednesday 14 of January 2009 18:08:40 Marek Vasut wrote:
> On Wednesday 14 of January 2009 17:17:25 Jean-Christophe PLAGNIOL-VILLARD
>
> wrote:
> > On 17:23 Wed 14 Jan     , Marek Vasut wrote:
> > > On Wednesday 14 of January 2009 17:02:05 Jean-Christophe
> > > PLAGNIOL-VILLARD
> > >
> > > wrote:
> > > > On 16:20 Wed 14 Jan     , Marek Vašut wrote:
> > > > > Hi,
> > > > >
> > > > > this patch adds Palm TC support. It's a PXA based handheld device
> > > > > (unlike PalmTE defined in palm.c which is OMAP) so I decided to
> > > > > separate these and create new palmpxa.c . Near future plan is to
> > > > > add basic support for other pxa-based palm models as well. Please
> > > > > consider applying.
> > > >
> > > > IIRC some hacker port u-boot on it maybe you could try it
> > >
> > > uboot on what? palmtc? Nikolay ported uboot on palmt2, I ported it to
> > > palmz71. There is also port of uboot for palmt3, but there never was
> > > port for palmtc. Actually PalmOS can boot to some place even on this
> > > basic setup.
> >
> > I known about the Z71 but we report me that some hacker work on the TC
> > but I never see or search the patches
>
> Im not really sure I got your point, but I'm working on the palmtc linux
> port and I know of noone else who does work in it. Also, I added some code
> to old qemu fork in palmlinux project.
>
> > Best Regards,
> > J.

btw here is a new version of the patch, you should be OK with this one.

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Index: Makefile.target
===================================================================
--- Makefile.target	(revision 6290)
+++ Makefile.target	(working copy)
@@ -716,6 +716,7 @@
 OBJS+= tsc2005.o bt-hci-csr.o
 OBJS+= mst_fpga.o mainstone.o
 OBJS+= musicpal.o pflash_cfi02.o
+OBJS+= palmpxa.o
 CPPFLAGS += -DHAS_AUDIO
 endif
 ifeq ($(TARGET_BASE_ARCH), sh4)
Index: hw/boards.h
===================================================================
--- hw/boards.h	(revision 6290)
+++ hw/boards.h	(working copy)
@@ -95,6 +95,9 @@
 /* palm.c */
 extern QEMUMachine palmte_machine;
 
+/* palmpxa.c */
+extern QEMUMachine palmtc_machine;
+
 /* nseries.c */
 extern QEMUMachine n800_machine;
 extern QEMUMachine n810_machine;
Index: target-arm/machine.c
===================================================================
--- target-arm/machine.c	(revision 6290)
+++ target-arm/machine.c	(working copy)
@@ -14,6 +14,7 @@
     qemu_register_machine(&sx1_machine_v1);
     qemu_register_machine(&sx1_machine_v2);
     qemu_register_machine(&palmte_machine);
+    qemu_register_machine(&palmtc_machine);
     qemu_register_machine(&n800_machine);
     qemu_register_machine(&n810_machine);
     qemu_register_machine(&lm3s811evb_machine);
Index: hw/palmpxa.c
===================================================================
--- hw/palmpxa.c	(revision 0)
+++ hw/palmpxa.c	(revision 0)
@@ -0,0 +1,64 @@
+/*
+ * Intel PXA2xx-based Palm PDA Platforms
+ *
+ * Copyright (c) 2009 by Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GNU GPL v2.
+ */
+
+#include "hw.h"
+#include "pxa.h"
+#include "net.h"
+#include "flash.h"
+#include "sysemu.h"
+#include "devices.h"
+#include "boards.h"
+
+/* Platform specific */
+#define PALMTC_ROM	(0x01000000)	/* 16 Mb of ROM */
+#define PALMTC_RAM	(0x04000000)	/* 64 Mb of RAM */
+
+/* GPIOs */
+#define PALMTC_GPIO_nPOWER	9
+
+static const int sector_len = 128 * 1024;
+
+static void palmtc_init(ram_addr_t ram_size, int vga_ram_size,
+                const char *boot_device, DisplayState *ds,
+                const char *kernel_filename, const char *kernel_cmdline,
+                const char *initrd_filename, const char *cpu_model)
+{
+	struct pxa2xx_state_s *cpu;
+	int index;
+
+	/* CPU */
+	cpu = pxa255_init(PALMTC_RAM, ds);
+
+	/* Onboard FlashROM */
+	index = drive_get_index(IF_PFLASH, 0, 0);
+	if (index == -1) {
+		fprintf(stderr, "A flash image must be given with the "
+			"'pflash' parameter\n");
+		exit(1);
+	}
+
+	if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(PALMTC_ROM),
+		drives_table[index].bdrv, sector_len, PALMTC_ROM / sector_len,
+		2, 0, 0, 0, 0)) {
+		fprintf(stderr, "qemu: Error registering flash memory.\n");
+		exit(1);
+	}
+
+	/* Deassert power button */
+	qemu_set_irq(pxa2xx_gpio_in_get(cpu->gpio)[PALMTC_GPIO_nPOWER], 1);
+}
+
+QEMUMachine palmtc_machine = {
+	.name		= "palmtc",
+	.desc		= "Palm Tungsten|C (PXA255)",
+	.init		= palmtc_init,
+	.ram_require	= (PALMTC_RAM + PALMTC_ROM + PXA2XX_INTERNAL_SIZE) |
+				RAMSIZE_FIXED,
+};