hw/tosa.c - third_party/qemu - Git at Google

 /* 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 (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + TC6393XB_RAM)) {
         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);

     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 - PXA2XX_SDRAM_BASE);
 }

 QEMUMachine tosapda_machine = {
     .name = "tosa",
     .desc = "Tosa PDA (PXA255)",
     .init = tosa_init,
     .ram_require = TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED + TC6393XB_RAM,
 };
	/* 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 (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + TC6393XB_RAM)) {
	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);

	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 - PXA2XX_SDRAM_BASE);
	}

	QEMUMachine tosapda_machine = {
	.name = "tosa",
	.desc = "Tosa PDA (PXA255)",
	.init = tosa_init,
	.ram_require = TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED + TC6393XB_RAM,
	};