/* 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(PXA2xxState *cpu) { PCMCIACardState *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(PXA2xxState *cpu, ScoopInfo *scp0, ScoopInfo *scp1, TC6393xbState *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); } typedef struct { i2c_slave i2c; int len; char buf[3]; } TosaDACState; static int tosa_dac_send(i2c_slave *i2c, uint8_t data) { TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, 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) { TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, 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_dac_init(i2c_slave *i2c) { /* Nothing to do. */ } static void tosa_tg_init(PXA2xxState *cpu) { i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); i2c_create_slave(bus, "tosa_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, const char *boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { PXA2xxState *cpu; TC6393xbState *tmio; ScoopInfo *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, }; static I2CSlaveInfo tosa_dac_info = { .init = tosa_dac_init, .event = tosa_dac_event, .recv = tosa_dac_recv, .send = tosa_dac_send }; static void tosa_register_devices(void) { i2c_register_slave("tosa_dac", sizeof(TosaDACState), &tosa_dac_info); } device_init(tosa_register_devices)