diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/tosa.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/tosa.c Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,251 @@ +/* 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 + * 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; + } +} + +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, DisplayState *ds, + 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, NULL); + + 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], + ds); + + 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, +};