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Provide basic emulation for Sharp SL-6000 PDA (Tosa), Dmitry Baryshkov.

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This adds basic support for emulating Sharp Zaurus SL-6000 PDA (tosa).
Currently it provides only basic support: no kbd/lcd, sound, ts, etc.
But it's able at least to boot Linux from CF.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4643 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-06-02 01:33:11 +00:00
parent e33d8cdb55
commit 89cdb6af04
7 changed files with 183 additions and 15 deletions
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160
hw/tosa.c Normal file
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/* vim:set shiftwidth=4 ts=4 et: */
/*
* PXA255 Sharp Zaurus SL-6000 PDA platform
*
* Copyright (c) 2008 Dmitry Baryshkov
*
* 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 "arm-misc.h"
#include "sysemu.h"
#include "sharpsl.h"
#include "pcmcia.h"
#include "block.h"
#include "boards.h"
#define TOSA_RAM 0x04000000
#define TOSA_ROM 0x00800000
#define TOSA_GPIO_nSD_DETECT (9)
#define TOSA_GPIO_ON_RESET (19)
#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
#define TOSA_GPIO_CF_CD (13)
#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
#define TOSA_SCOOP_GPIO_BASE 0
#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
struct tc6393xb_s {
target_phys_addr_t target_base;
};
static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr)
{
return 3;
}
static void tc6393xb_writeb(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
}
static void tosa_tc6393xb_register(struct pxa2xx_state_s *cpu)
{
int iomemtype;
struct tc6393xb_s *s;
CPUReadMemoryFunc *tc6393xb_readfn[] = {
tc6393xb_readb,
tc6393xb_readb,
tc6393xb_readb,
};
CPUWriteMemoryFunc *tc6393xb_writefn[] = {
tc6393xb_writeb,
tc6393xb_writeb,
tc6393xb_writeb,
};
s = (struct tc6393xb_s *) qemu_mallocz(sizeof(struct tc6393xb_s));
s->target_base = 0x10000000;
iomemtype = cpu_register_io_memory(0, tc6393xb_readfn,
tc6393xb_writefn, s);
cpu_register_physical_memory(s->target_base, 0x200000, iomemtype);
}
static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu)
{
struct pcmcia_card_s *md;
int index;
BlockDriverState *bs;
index = drive_get_index(IF_IDE, 0, 0);
if (index == -1)
return;
bs = drives_table[index].bdrv;
if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
md = dscm1xxxx_init(bs);
pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
}
}
static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
struct scoop_info_s *scp0,
struct scoop_info_s *scp1)
{
/* MMC/SD host */
pxa2xx_mmci_handlers(cpu->mmc,
scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));
/* Handle reset */
pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);
/* PCMCIA signals: card's IRQ and Card-Detect */
pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);
pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
NULL);
}
static struct arm_boot_info tosa_binfo = {
.loader_start = PXA2XX_SDRAM_BASE,
.ram_size = 0x04000000,
};
static void tosa_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;
struct scoop_info_s *scp0, *scp1;
if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) {
fprintf(stderr, "This platform requires %i bytes of memory\n",
TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE);
exit(1);
}
if (!cpu_model)
cpu_model = "pxa255";
cpu = pxa255_init(tosa_binfo.ram_size, ds);
cpu_register_physical_memory(0, TOSA_ROM,
qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
tosa_tc6393xb_register(cpu);
scp0 = scoop_init(cpu, 0, 0x08800000);
scp1 = scoop_init(cpu, 1, 0x14800040);
tosa_gpio_setup(cpu, scp0, scp1);
tosa_microdrive_attach(cpu);
/* Setup initial (reset) machine state */
cpu->env->regs[15] = tosa_binfo.loader_start;
tosa_binfo.kernel_filename = kernel_filename;
tosa_binfo.kernel_cmdline = kernel_cmdline;
tosa_binfo.initrd_filename = initrd_filename;
tosa_binfo.board_id = 0x208;
arm_load_kernel(cpu->env, &tosa_binfo);
sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
}
QEMUMachine tosapda_machine = {
"tosa",
"Tosa PDA (PXA255)",
tosa_init,
TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED,
};