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-rw-r--r--Makefile.target1
-rw-r--r--hw/z2.c358
2 files changed, 359 insertions, 0 deletions
diff --git a/Makefile.target b/Makefile.target
index 8884a56aa3..d4ea0428fb 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -352,6 +352,7 @@ obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o \
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
+obj-arm-y += z2.o
obj-arm-y += musicpal.o bitbang_i2c.o marvell_88w8618_audio.o
obj-arm-y += framebuffer.o
obj-arm-y += syborg.o syborg_fb.o syborg_interrupt.o syborg_keyboard.o
diff --git a/hw/z2.c b/hw/z2.c
new file mode 100644
index 0000000000..f93a1bf0fe
--- /dev/null
+++ b/hw/z2.c
@@ -0,0 +1,358 @@
+/*
+ * PXA270-based Zipit Z2 device
+ *
+ * Copyright (c) 2011 by Vasily Khoruzhick <anarsoul@gmail.com>
+ *
+ * Code is based on mainstone platform.
+ *
+ * This code is licensed under the GNU GPL v2.
+ */
+
+#include "hw.h"
+#include "pxa.h"
+#include "arm-misc.h"
+#include "devices.h"
+#include "i2c.h"
+#include "ssi.h"
+#include "boards.h"
+#include "sysemu.h"
+#include "flash.h"
+#include "blockdev.h"
+#include "console.h"
+#include "audio/audio.h"
+
+#ifdef DEBUG_Z2
+#define DPRINTF(fmt, ...) \
+ printf(fmt, ## __VA_ARGS__)
+#else
+#define DPRINTF(fmt, ...)
+#endif
+
+static struct keymap map[0x100] = {
+ [0 ... 0xff] = { -1, -1 },
+ [0x3b] = {0, 0}, /* Option = F1 */
+ [0xc8] = {0, 1}, /* Up */
+ [0xd0] = {0, 2}, /* Down */
+ [0xcb] = {0, 3}, /* Left */
+ [0xcd] = {0, 4}, /* Right */
+ [0xcf] = {0, 5}, /* End */
+ [0x0d] = {0, 6}, /* KPPLUS */
+ [0xc7] = {1, 0}, /* Home */
+ [0x10] = {1, 1}, /* Q */
+ [0x17] = {1, 2}, /* I */
+ [0x22] = {1, 3}, /* G */
+ [0x2d] = {1, 4}, /* X */
+ [0x1c] = {1, 5}, /* Enter */
+ [0x0c] = {1, 6}, /* KPMINUS */
+ [0xc9] = {2, 0}, /* PageUp */
+ [0x11] = {2, 1}, /* W */
+ [0x18] = {2, 2}, /* O */
+ [0x23] = {2, 3}, /* H */
+ [0x2e] = {2, 4}, /* C */
+ [0x38] = {2, 5}, /* LeftAlt */
+ [0xd1] = {3, 0}, /* PageDown */
+ [0x12] = {3, 1}, /* E */
+ [0x19] = {3, 2}, /* P */
+ [0x24] = {3, 3}, /* J */
+ [0x2f] = {3, 4}, /* V */
+ [0x2a] = {3, 5}, /* LeftShift */
+ [0x01] = {4, 0}, /* Esc */
+ [0x13] = {4, 1}, /* R */
+ [0x1e] = {4, 2}, /* A */
+ [0x25] = {4, 3}, /* K */
+ [0x30] = {4, 4}, /* B */
+ [0x1d] = {4, 5}, /* LeftCtrl */
+ [0x0f] = {5, 0}, /* Tab */
+ [0x14] = {5, 1}, /* T */
+ [0x1f] = {5, 2}, /* S */
+ [0x26] = {5, 3}, /* L */
+ [0x31] = {5, 4}, /* N */
+ [0x39] = {5, 5}, /* Space */
+ [0x3c] = {6, 0}, /* Stop = F2 */
+ [0x15] = {6, 1}, /* Y */
+ [0x20] = {6, 2}, /* D */
+ [0x0e] = {6, 3}, /* Backspace */
+ [0x32] = {6, 4}, /* M */
+ [0x33] = {6, 5}, /* Comma */
+ [0x3d] = {7, 0}, /* Play = F3 */
+ [0x16] = {7, 1}, /* U */
+ [0x21] = {7, 2}, /* F */
+ [0x2c] = {7, 3}, /* Z */
+ [0x27] = {7, 4}, /* Semicolon */
+ [0x34] = {7, 5}, /* Dot */
+};
+
+#define Z2_RAM_SIZE 0x02000000
+#define Z2_FLASH_BASE 0x00000000
+#define Z2_FLASH_SIZE 0x00800000
+
+static struct arm_boot_info z2_binfo = {
+ .loader_start = PXA2XX_SDRAM_BASE,
+ .ram_size = Z2_RAM_SIZE,
+};
+
+#define Z2_GPIO_SD_DETECT 96
+#define Z2_GPIO_AC_IN 0
+#define Z2_GPIO_KEY_ON 1
+#define Z2_GPIO_LCD_CS 88
+
+typedef struct {
+ SSISlave ssidev;
+ int32_t selected;
+ int32_t enabled;
+ uint8_t buf[3];
+ uint32_t cur_reg;
+ int pos;
+} ZipitLCD;
+
+static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
+{
+ ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
+ uint16_t val;
+ if (z->selected) {
+ z->buf[z->pos] = value & 0xff;
+ z->pos++;
+ }
+ if (z->pos == 3) {
+ switch (z->buf[0]) {
+ case 0x74:
+ DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
+ z->cur_reg = z->buf[2];
+ break;
+ case 0x76:
+ val = z->buf[1] << 8 | z->buf[2];
+ DPRINTF("%s: value: 0x%.4x\n", __func__, val);
+ if (z->cur_reg == 0x22 && val == 0x0000) {
+ z->enabled = 1;
+ printf("%s: LCD enabled\n", __func__);
+ } else if (z->cur_reg == 0x10 && val == 0x0000) {
+ z->enabled = 0;
+ printf("%s: LCD disabled\n", __func__);
+ }
+ break;
+ default:
+ DPRINTF("%s: unknown command!\n", __func__);
+ break;
+ }
+ z->pos = 0;
+ }
+ return 0;
+}
+
+static void z2_lcd_cs(void *opaque, int line, int level)
+{
+ ZipitLCD *z2_lcd = opaque;
+ z2_lcd->selected = !level;
+}
+
+static int zipit_lcd_init(SSISlave *dev)
+{
+ ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
+ z->selected = 0;
+ z->enabled = 0;
+ z->pos = 0;
+
+ return 0;
+}
+
+static VMStateDescription vmstate_zipit_lcd_state = {
+ .name = "zipit-lcd",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(selected, ZipitLCD),
+ VMSTATE_INT32(enabled, ZipitLCD),
+ VMSTATE_BUFFER(buf, ZipitLCD),
+ VMSTATE_UINT32(cur_reg, ZipitLCD),
+ VMSTATE_INT32(pos, ZipitLCD),
+ VMSTATE_END_OF_LIST(),
+ }
+};
+
+static SSISlaveInfo zipit_lcd_info = {
+ .qdev.name = "zipit-lcd",
+ .qdev.size = sizeof(ZipitLCD),
+ .qdev.vmsd = &vmstate_zipit_lcd_state,
+ .init = zipit_lcd_init,
+ .transfer = zipit_lcd_transfer
+};
+
+typedef struct {
+ i2c_slave i2c;
+ int len;
+ uint8_t buf[3];
+} AER915State;
+
+static int aer915_send(i2c_slave *i2c, uint8_t data)
+{
+ AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
+ s->buf[s->len] = data;
+ if (s->len++ > 2) {
+ DPRINTF("%s: message too long (%i bytes)\n",
+ __func__, s->len);
+ return 1;
+ }
+
+ if (s->len == 2) {
+ DPRINTF("%s: reg %d value 0x%02x\n", __func__,
+ s->buf[0], s->buf[1]);
+ }
+
+ return 0;
+}
+
+static void aer915_event(i2c_slave *i2c, enum i2c_event event)
+{
+ AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
+ switch (event) {
+ case I2C_START_SEND:
+ s->len = 0;
+ break;
+ case I2C_START_RECV:
+ if (s->len != 1) {
+ DPRINTF("%s: short message!?\n", __func__);
+ }
+ break;
+ case I2C_FINISH:
+ break;
+ default:
+ break;
+ }
+}
+
+static int aer915_recv(i2c_slave *slave)
+{
+ int retval = 0x00;
+ AER915State *s = FROM_I2C_SLAVE(AER915State, slave);
+
+ switch (s->buf[0]) {
+ /* Return hardcoded battery voltage,
+ * 0xf0 means ~4.1V
+ */
+ case 0x02:
+ retval = 0xf0;
+ break;
+ /* Return 0x00 for other regs,
+ * we don't know what they are for,
+ * anyway they return 0x00 on real hardware.
+ */
+ default:
+ break;
+ }
+
+ return retval;
+}
+
+static int aer915_init(i2c_slave *i2c)
+{
+ /* Nothing to do. */
+ return 0;
+}
+
+static VMStateDescription vmstate_aer915_state = {
+ .name = "aer915",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(len, AER915State),
+ VMSTATE_BUFFER(buf, AER915State),
+ VMSTATE_END_OF_LIST(),
+ }
+};
+
+static I2CSlaveInfo aer915_info = {
+ .qdev.name = "aer915",
+ .qdev.size = sizeof(AER915State),
+ .qdev.vmsd = &vmstate_aer915_state,
+ .init = aer915_init,
+ .event = aer915_event,
+ .recv = aer915_recv,
+ .send = aer915_send
+};
+
+static void z2_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)
+{
+ uint32_t sector_len = 0x10000;
+ PXA2xxState *cpu;
+ DriveInfo *dinfo;
+ int be;
+ void *z2_lcd;
+ i2c_bus *bus;
+ DeviceState *wm;
+
+ if (!cpu_model) {
+ cpu_model = "pxa270-c5";
+ }
+
+ /* Setup CPU & memory */
+ cpu = pxa270_init(z2_binfo.ram_size, cpu_model);
+
+#ifdef TARGET_WORDS_BIGENDIAN
+ be = 1;
+#else
+ be = 0;
+#endif
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ if (!dinfo) {
+ fprintf(stderr, "Flash image must be given with the "
+ "'pflash' parameter\n");
+ exit(1);
+ }
+
+ if (!pflash_cfi01_register(Z2_FLASH_BASE,
+ qemu_ram_alloc(NULL, "z2.flash0", Z2_FLASH_SIZE),
+ dinfo->bdrv, sector_len,
+ Z2_FLASH_SIZE / sector_len, 4, 0, 0, 0, 0,
+ be)) {
+ fprintf(stderr, "qemu: Error registering flash memory.\n");
+ exit(1);
+ }
+
+ /* setup keypad */
+ pxa27x_register_keypad(cpu->kp, map, 0x100);
+
+ /* MMC/SD host */
+ pxa2xx_mmci_handlers(cpu->mmc,
+ NULL,
+ qdev_get_gpio_in(cpu->gpio, Z2_GPIO_SD_DETECT));
+
+ ssi_register_slave(&zipit_lcd_info);
+ i2c_register_slave(&aer915_info);
+ z2_lcd = ssi_create_slave(cpu->ssp[1], "zipit-lcd");
+ bus = pxa2xx_i2c_bus(cpu->i2c[0]);
+ i2c_create_slave(bus, "aer915", 0x55);
+ wm = i2c_create_slave(bus, "wm8750", 0x1b);
+ cpu->i2s->opaque = wm;
+ cpu->i2s->codec_out = wm8750_dac_dat;
+ cpu->i2s->codec_in = wm8750_adc_dat;
+ wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
+
+ qdev_connect_gpio_out(cpu->gpio, Z2_GPIO_LCD_CS,
+ qemu_allocate_irqs(z2_lcd_cs, z2_lcd, 1)[0]);
+
+ if (kernel_filename) {
+ z2_binfo.kernel_filename = kernel_filename;
+ z2_binfo.kernel_cmdline = kernel_cmdline;
+ z2_binfo.initrd_filename = initrd_filename;
+ z2_binfo.board_id = 0x6dd;
+ arm_load_kernel(cpu->env, &z2_binfo);
+ }
+}
+
+static QEMUMachine z2_machine = {
+ .name = "z2",
+ .desc = "Zipit Z2 (PXA27x)",
+ .init = z2_init,
+};
+
+static void z2_machine_init(void)
+{
+ qemu_register_machine(&z2_machine);
+}
+
+machine_init(z2_machine_init);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 19:06:45 +0000