openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
qemu/hw/tosa.c

244 lines
6.8 KiB
C
Raw Blame History

/* 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 "devices.h"
#include "sharpsl.h"
#include "pcmcia.h"
#include "block.h"
#include "boards.h"
#include "i2c.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_TC6393XB_INT (15)
#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
#define TOSA_SCOOP_GPIO_BASE 1
#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)
#define TOSA_SCOOP_JC_GPIO_BASE 1
#define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0)
#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
#define DAC_BASE 0x4e
#define DAC_CH1 0
#define DAC_CH2 1
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_out_switch(void *opaque, int line, int level)
{
switch (line) {
case 0:
fprintf(stderr, "blue LED %s.\n", level ? "on" : "off");
break;
case 1:
fprintf(stderr, "green LED %s.\n", level ? "on" : "off");
break;
case 2:
fprintf(stderr, "amber LED %s.\n", level ? "on" : "off");
break;
case 3:
fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off");
break;
default:
fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
break;
}
}
static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
struct scoop_info_s *scp0,
struct scoop_info_s *scp1,
struct tc6393xb_s *tmio)
{
qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
/* 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);
scoop_gpio_out_set(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
scoop_gpio_out_set(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
scoop_gpio_out_set(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
scoop_gpio_out_set(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
scoop_gpio_out_set(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio));
}
static uint32_t tosa_ssp_read(void *opaque)
{
return 0;
}
static void tosa_ssp_write(void *opaque, uint32_t value)
{
fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f);
}
struct tosa_dac_i2c {
i2c_slave i2c;
int len;
char buf[3];
};
static int tosa_dac_send(i2c_slave *i2c, uint8_t data)
{
struct tosa_dac_i2c *s = (struct tosa_dac_i2c *)i2c;
s->buf[s->len] = data;
if (s->len ++ > 2) {
#ifdef VERBOSE
fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, s->len);
#endif
return 1;
}
if (s->len == 2) {
fprintf(stderr, "dac: channel %d value 0x%02x\n",
s->buf[0], s->buf[1]);
}
return 0;
}
static void tosa_dac_event(i2c_slave *i2c, enum i2c_event event)
{
struct tosa_dac_i2c *s = (struct tosa_dac_i2c *)i2c;
s->len = 0;
switch (event) {
case I2C_START_SEND:
break;
case I2C_START_RECV:
printf("%s: recv not supported!!!\n", __FUNCTION__);
break;
case I2C_FINISH:
#ifdef VERBOSE
if (s->len < 2)
printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len);
if (s->len > 2)
printf("%s: message too long\n", __FUNCTION__);
#endif
break;
default:
break;
}
}
static int tosa_dac_recv(i2c_slave *s)
{
printf("%s: recv not supported!!!\n", __FUNCTION__);
return -1;
}
static void tosa_tg_init(struct pxa2xx_state_s *cpu)
{
struct i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
struct i2c_slave *dac = i2c_slave_init(bus, 0, sizeof(struct tosa_dac_i2c));
dac->send = tosa_dac_send;
dac->event = tosa_dac_event;
dac->recv = tosa_dac_recv;
i2c_set_slave_address(dac, DAC_BASE);
pxa2xx_ssp_attach(cpu->ssp[1], tosa_ssp_read,
tosa_ssp_write, cpu);
}
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,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
struct pxa2xx_state_s *cpu;
struct tc6393xb_s *tmio;
struct scoop_info_s *scp0, *scp1;
if (!cpu_model)
cpu_model = "pxa255";
cpu = pxa255_init(tosa_binfo.ram_size);
cpu_register_physical_memory(0, TOSA_ROM,
qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
tmio = tc6393xb_init(0x10000000,
pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_TC6393XB_INT]);
scp0 = scoop_init(cpu, 0, 0x08800000);
scp1 = scoop_init(cpu, 1, 0x14800040);
tosa_gpio_setup(cpu, scp0, scp1, tmio);
tosa_microdrive_attach(cpu);
tosa_tg_init(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);
}
QEMUMachine tosapda_machine = {
.name = "tosa",
.desc = "Tosa PDA (PXA255)",
.init = tosa_init,
};
Reference in New Issue View Git Blame Copy Permalink