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-rw-r--r--hw/nseries.c918
1 files changed, 918 insertions, 0 deletions
diff --git a/hw/nseries.c b/hw/nseries.c
new file mode 100644
index 0000000000..31906c1e82
--- /dev/null
+++ b/hw/nseries.c
@@ -0,0 +1,918 @@
+/*
+ * Nokia N-series internet tablets.
+ *
+ * Copyright (C) 2007 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "qemu-common.h"
+#include "sysemu.h"
+#include "omap.h"
+#include "arm-misc.h"
+#include "irq.h"
+#include "console.h"
+#include "boards.h"
+#include "i2c.h"
+#include "devices.h"
+#include "flash.h"
+#include "hw.h"
+
+/* Nokia N8x0 support */
+struct n800_s {
+ struct omap_mpu_state_s *cpu;
+
+ struct rfbi_chip_s blizzard;
+ struct uwire_slave_s *ts;
+ i2c_bus *i2c;
+
+ int keymap[0x80];
+
+ void *retu;
+ void *tahvo;
+};
+
+/* GPIO pins */
+#define N800_TUSB_ENABLE_GPIO 0
+#define N800_MMC2_WP_GPIO 8
+#define N800_UNKNOWN_GPIO0 9 /* out */
+#define N800_UNKNOWN_GPIO1 10 /* out */
+#define N800_CAM_TURN_GPIO 12
+#define N800_BLIZZARD_POWERDOWN_GPIO 15
+#define N800_MMC1_WP_GPIO 23
+#define N8X0_ONENAND_GPIO 26
+#define N800_UNKNOWN_GPIO2 53 /* out */
+#define N8X0_TUSB_INT_GPIO 58
+#define N800_BT_WKUP_GPIO 61
+#define N800_STI_GPIO 62
+#define N8X0_CBUS_SEL_GPIO 64
+#define N8X0_CBUS_CLK_GPIO 65 /* sure? */
+#define N8X0_CBUS_DAT_GPIO 66
+#define N800_WLAN_IRQ_GPIO 87
+#define N800_BT_RESET_GPIO 92
+#define N800_TEA5761_CS_GPIO 93
+#define N800_UNKNOWN_GPIO 94
+#define N800_CAM_ACT_GPIO 95
+#define N800_MMC_CS_GPIO 96
+#define N800_WLAN_PWR_GPIO 97
+#define N8X0_BT_HOST_WKUP_GPIO 98
+#define N800_UNKNOWN_GPIO3 101 /* out */
+#define N810_KB_LOCK_GPIO 102
+#define N800_TSC_TS_GPIO 103
+#define N810_TSC2005_GPIO 106
+#define N800_HEADPHONE_GPIO 107
+#define N8X0_RETU_GPIO 108
+#define N800_TSC_KP_IRQ_GPIO 109
+#define N810_KEYBOARD_GPIO 109
+#define N800_BAT_COVER_GPIO 110
+#define N810_SLIDE_GPIO 110
+#define N8X0_TAHVO_GPIO 111
+#define N800_UNKNOWN_GPIO4 112 /* out */
+#define N810_TSC_RESET_GPIO 118
+#define N800_TSC_RESET_GPIO 119 /* ? */
+#define N8X0_TMP105_GPIO 125
+
+/* Config */
+#define XLDR_LL_UART 1
+
+/* Addresses on the I2C bus */
+#define N8X0_TMP105_ADDR 0x48
+#define N8X0_MENELAUS_ADDR 0x72
+
+/* Chipselects on GPMC NOR interface */
+#define N8X0_ONENAND_CS 0
+#define N8X0_USB_ASYNC_CS 1
+#define N8X0_USB_SYNC_CS 4
+
+static void n800_mmc_cs_cb(void *opaque, int line, int level)
+{
+ /* TODO: this seems to actually be connected to the menelaus, to
+ * which also both MMC slots connect. */
+ omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
+
+ printf("%s: MMC slot %i active\n", __FUNCTION__, level + 1);
+}
+
+static void n800_gpio_setup(struct n800_s *s)
+{
+ qemu_irq *mmc_cs = qemu_allocate_irqs(n800_mmc_cs_cb, s->cpu->mmc, 1);
+ omap2_gpio_out_set(s->cpu->gpif, N800_MMC_CS_GPIO, mmc_cs[0]);
+
+ qemu_irq_lower(omap2_gpio_in_get(s->cpu->gpif, N800_BAT_COVER_GPIO)[0]);
+}
+
+static void n8x0_nand_setup(struct n800_s *s)
+{
+ /* Either ec40xx or ec48xx are OK for the ID */
+ omap_gpmc_attach(s->cpu->gpmc, N8X0_ONENAND_CS, 0, onenand_base_update,
+ onenand_base_unmap,
+ onenand_init(0xec4800, 1,
+ omap2_gpio_in_get(s->cpu->gpif,
+ N8X0_ONENAND_GPIO)[0]));
+}
+
+static void n800_i2c_setup(struct n800_s *s)
+{
+ qemu_irq tmp_irq = omap2_gpio_in_get(s->cpu->gpif, N8X0_TMP105_GPIO)[0];
+
+ /* Attach the CPU on one end of our I2C bus. */
+ s->i2c = omap_i2c_bus(s->cpu->i2c[0]);
+
+ /* Attach a menelaus PM chip */
+ i2c_set_slave_address(
+ twl92230_init(s->i2c,
+ s->cpu->irq[0][OMAP_INT_24XX_SYS_NIRQ]),
+ N8X0_MENELAUS_ADDR);
+
+ /* Attach a TMP105 PM chip (A0 wired to ground) */
+ i2c_set_slave_address(tmp105_init(s->i2c, tmp_irq), N8X0_TMP105_ADDR);
+}
+
+/* Touchscreen and keypad controller */
+#define RETU_KEYCODE 61 /* F3 */
+
+static void n800_key_event(void *opaque, int keycode)
+{
+ struct n800_s *s = (struct n800_s *) opaque;
+ int code = s->keymap[keycode & 0x7f];
+
+ if (code == -1) {
+ if ((keycode & 0x7f) == RETU_KEYCODE)
+ retu_key_event(s->retu, !(keycode & 0x80));
+ return;
+ }
+
+ tsc210x_key_event(s->ts, code, !(keycode & 0x80));
+}
+
+static const int n800_keys[16] = {
+ -1,
+ 72, /* Up */
+ 63, /* Home (F5) */
+ -1,
+ 75, /* Left */
+ 28, /* Enter */
+ 77, /* Right */
+ -1,
+ 1, /* Cycle (ESC) */
+ 80, /* Down */
+ 62, /* Menu (F4) */
+ -1,
+ 66, /* Zoom- (F8) */
+ 64, /* FS (F6) */
+ 65, /* Zoom+ (F7) */
+ -1,
+};
+
+static struct mouse_transform_info_s n800_pointercal = {
+ .x = 800,
+ .y = 480,
+ .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
+};
+
+static void n800_tsc_setup(struct n800_s *s)
+{
+ int i;
+
+ /* XXX: are the three pins inverted inside the chip between the
+ * tsc and the cpu (N4111)? */
+ qemu_irq penirq = 0; /* NC */
+ qemu_irq kbirq = omap2_gpio_in_get(s->cpu->gpif, N800_TSC_KP_IRQ_GPIO)[0];
+ qemu_irq dav = omap2_gpio_in_get(s->cpu->gpif, N800_TSC_TS_GPIO)[0];
+
+ s->ts = tsc2301_init(penirq, kbirq, dav, 0);
+
+ for (i = 0; i < 0x80; i ++)
+ s->keymap[i] = -1;
+ for (i = 0; i < 0x10; i ++)
+ if (n800_keys[i] >= 0)
+ s->keymap[n800_keys[i]] = i;
+
+ qemu_add_kbd_event_handler(n800_key_event, s);
+
+ tsc210x_set_transform(s->ts, &n800_pointercal);
+}
+
+/* LCD MIPI DBI-C controller (URAL) */
+struct mipid_s {
+ int resp[4];
+ int param[4];
+ int p;
+ int pm;
+ int cmd;
+
+ int sleep;
+ int booster;
+ int te;
+ int selfcheck;
+ int partial;
+ int normal;
+ int vscr;
+ int invert;
+ int onoff;
+ int gamma;
+ uint32_t id;
+};
+
+static void mipid_reset(struct mipid_s *s)
+{
+ if (!s->sleep)
+ fprintf(stderr, "%s: Display off\n", __FUNCTION__);
+
+ s->pm = 0;
+ s->cmd = 0;
+
+ s->sleep = 1;
+ s->booster = 0;
+ s->selfcheck =
+ (1 << 7) | /* Register loading OK. */
+ (1 << 5) | /* The chip is attached. */
+ (1 << 4); /* Display glass still in one piece. */
+ s->te = 0;
+ s->partial = 0;
+ s->normal = 1;
+ s->vscr = 0;
+ s->invert = 0;
+ s->onoff = 1;
+ s->gamma = 0;
+}
+
+static uint32_t mipid_txrx(void *opaque, uint32_t cmd)
+{
+ struct mipid_s *s = (struct mipid_s *) opaque;
+ uint8_t ret;
+
+ if (s->p >= sizeof(s->resp) / sizeof(*s->resp))
+ ret = 0;
+ else
+ ret = s->resp[s->p ++];
+ if (s->pm --> 0)
+ s->param[s->pm] = cmd;
+ else
+ s->cmd = cmd;
+
+ switch (s->cmd) {
+ case 0x00: /* NOP */
+ break;
+
+ case 0x01: /* SWRESET */
+ mipid_reset(s);
+ break;
+
+ case 0x02: /* BSTROFF */
+ s->booster = 0;
+ break;
+ case 0x03: /* BSTRON */
+ s->booster = 1;
+ break;
+
+ case 0x04: /* RDDID */
+ s->p = 0;
+ s->resp[0] = (s->id >> 16) & 0xff;
+ s->resp[1] = (s->id >> 8) & 0xff;
+ s->resp[2] = (s->id >> 0) & 0xff;
+ break;
+
+ case 0x06: /* RD_RED */
+ case 0x07: /* RD_GREEN */
+ /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
+ * for the bootloader one needs to change this. */
+ case 0x08: /* RD_BLUE */
+ s->p = 0;
+ /* TODO: return first pixel components */
+ s->resp[0] = 0x01;
+ break;
+
+ case 0x09: /* RDDST */
+ s->p = 0;
+ s->resp[0] = s->booster << 7;
+ s->resp[1] = (5 << 4) | (s->partial << 2) |
+ (s->sleep << 1) | s->normal;
+ s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
+ (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
+ s->resp[3] = s->gamma << 6;
+ break;
+
+ case 0x0a: /* RDDPM */
+ s->p = 0;
+ s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
+ (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
+ break;
+ case 0x0b: /* RDDMADCTR */
+ s->p = 0;
+ s->resp[0] = 0;
+ break;
+ case 0x0c: /* RDDCOLMOD */
+ s->p = 0;
+ s->resp[0] = 5; /* 65K colours */
+ break;
+ case 0x0d: /* RDDIM */
+ s->p = 0;
+ s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
+ break;
+ case 0x0e: /* RDDSM */
+ s->p = 0;
+ s->resp[0] = s->te << 7;
+ break;
+ case 0x0f: /* RDDSDR */
+ s->p = 0;
+ s->resp[0] = s->selfcheck;
+ break;
+
+ case 0x10: /* SLPIN */
+ s->sleep = 1;
+ break;
+ case 0x11: /* SLPOUT */
+ s->sleep = 0;
+ s->selfcheck ^= 1 << 6; /* POFF self-diagnosis Ok */
+ break;
+
+ case 0x12: /* PTLON */
+ s->partial = 1;
+ s->normal = 0;
+ s->vscr = 0;
+ break;
+ case 0x13: /* NORON */
+ s->partial = 0;
+ s->normal = 1;
+ s->vscr = 0;
+ break;
+
+ case 0x20: /* INVOFF */
+ s->invert = 0;
+ break;
+ case 0x21: /* INVON */
+ s->invert = 1;
+ break;
+
+ case 0x22: /* APOFF */
+ case 0x23: /* APON */
+ goto bad_cmd;
+
+ case 0x25: /* WRCNTR */
+ if (s->pm < 0)
+ s->pm = 1;
+ goto bad_cmd;
+
+ case 0x26: /* GAMSET */
+ if (!s->pm)
+ s->gamma = ffs(s->param[0] & 0xf) - 1;
+ else if (s->pm < 0)
+ s->pm = 1;
+ break;
+
+ case 0x28: /* DISPOFF */
+ s->onoff = 0;
+ fprintf(stderr, "%s: Display off\n", __FUNCTION__);
+ break;
+ case 0x29: /* DISPON */
+ s->onoff = 1;
+ fprintf(stderr, "%s: Display on\n", __FUNCTION__);
+ break;
+
+ case 0x2a: /* CASET */
+ case 0x2b: /* RASET */
+ case 0x2c: /* RAMWR */
+ case 0x2d: /* RGBSET */
+ case 0x2e: /* RAMRD */
+ case 0x30: /* PTLAR */
+ case 0x33: /* SCRLAR */
+ goto bad_cmd;
+
+ case 0x34: /* TEOFF */
+ s->te = 0;
+ break;
+ case 0x35: /* TEON */
+ if (!s->pm)
+ s->te = 1;
+ else if (s->pm < 0)
+ s->pm = 1;
+ break;
+
+ case 0x36: /* MADCTR */
+ goto bad_cmd;
+
+ case 0x37: /* VSCSAD */
+ s->partial = 0;
+ s->normal = 0;
+ s->vscr = 1;
+ break;
+
+ case 0x38: /* IDMOFF */
+ case 0x39: /* IDMON */
+ case 0x3a: /* COLMOD */
+ goto bad_cmd;
+
+ case 0xb0: /* CLKINT / DISCTL */
+ case 0xb1: /* CLKEXT */
+ if (s->pm < 0)
+ s->pm = 2;
+ break;
+
+ case 0xb4: /* FRMSEL */
+ break;
+
+ case 0xb5: /* FRM8SEL */
+ case 0xb6: /* TMPRNG / INIESC */
+ case 0xb7: /* TMPHIS / NOP2 */
+ case 0xb8: /* TMPREAD / MADCTL */
+ case 0xba: /* DISTCTR */
+ case 0xbb: /* EPVOL */
+ goto bad_cmd;
+
+ case 0xbd: /* Unknown */
+ s->p = 0;
+ s->resp[0] = 0;
+ s->resp[1] = 1;
+ break;
+
+ case 0xc2: /* IFMOD */
+ if (s->pm < 0)
+ s->pm = 2;
+ break;
+
+ case 0xc6: /* PWRCTL */
+ case 0xc7: /* PPWRCTL */
+ case 0xd0: /* EPWROUT */
+ case 0xd1: /* EPWRIN */
+ case 0xd4: /* RDEV */
+ case 0xd5: /* RDRR */
+ goto bad_cmd;
+
+ case 0xda: /* RDID1 */
+ s->p = 0;
+ s->resp[0] = (s->id >> 16) & 0xff;
+ break;
+ case 0xdb: /* RDID2 */
+ s->p = 0;
+ s->resp[0] = (s->id >> 8) & 0xff;
+ break;
+ case 0xdc: /* RDID3 */
+ s->p = 0;
+ s->resp[0] = (s->id >> 0) & 0xff;
+ break;
+
+ default:
+ bad_cmd:
+ fprintf(stderr, "%s: unknown command %02x\n", __FUNCTION__, s->cmd);
+ break;
+ }
+
+ return ret;
+}
+
+static void *mipid_init(void)
+{
+ struct mipid_s *s = (struct mipid_s *) qemu_mallocz(sizeof(*s));
+
+ s->id = 0x838f03;
+ mipid_reset(s);
+
+ return s;
+}
+
+static void n800_spi_setup(struct n800_s *s)
+{
+ void *tsc2301 = s->ts->opaque;
+ void *mipid = mipid_init();
+
+ omap_mcspi_attach(s->cpu->mcspi[0], tsc210x_txrx, tsc2301, 0);
+ omap_mcspi_attach(s->cpu->mcspi[0], mipid_txrx, mipid, 1);
+}
+
+/* This task is normally performed by the bootloader. If we're loading
+ * a kernel directly, we need to enable the Blizzard ourselves. */
+static void n800_dss_init(struct rfbi_chip_s *chip)
+{
+ uint8_t *fb_blank;
+
+ chip->write(chip->opaque, 0, 0x2a); /* LCD Width register */
+ chip->write(chip->opaque, 1, 0x64);
+ chip->write(chip->opaque, 0, 0x2c); /* LCD HNDP register */
+ chip->write(chip->opaque, 1, 0x1e);
+ chip->write(chip->opaque, 0, 0x2e); /* LCD Height 0 register */
+ chip->write(chip->opaque, 1, 0xe0);
+ chip->write(chip->opaque, 0, 0x30); /* LCD Height 1 register */
+ chip->write(chip->opaque, 1, 0x01);
+ chip->write(chip->opaque, 0, 0x32); /* LCD VNDP register */
+ chip->write(chip->opaque, 1, 0x06);
+ chip->write(chip->opaque, 0, 0x68); /* Display Mode register */
+ chip->write(chip->opaque, 1, 1); /* Enable bit */
+
+ chip->write(chip->opaque, 0, 0x6c);
+ chip->write(chip->opaque, 1, 0x00); /* Input X Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Input X Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Input Y Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Input Y Start Position */
+ chip->write(chip->opaque, 1, 0x1f); /* Input X End Position */
+ chip->write(chip->opaque, 1, 0x03); /* Input X End Position */
+ chip->write(chip->opaque, 1, 0xdf); /* Input Y End Position */
+ chip->write(chip->opaque, 1, 0x01); /* Input Y End Position */
+ chip->write(chip->opaque, 1, 0x00); /* Output X Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Output X Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Output Y Start Position */
+ chip->write(chip->opaque, 1, 0x00); /* Output Y Start Position */
+ chip->write(chip->opaque, 1, 0x1f); /* Output X End Position */
+ chip->write(chip->opaque, 1, 0x03); /* Output X End Position */
+ chip->write(chip->opaque, 1, 0xdf); /* Output Y End Position */
+ chip->write(chip->opaque, 1, 0x01); /* Output Y End Position */
+ chip->write(chip->opaque, 1, 0x01); /* Input Data Format */
+ chip->write(chip->opaque, 1, 0x01); /* Data Source Select */
+
+ fb_blank = memset(qemu_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
+ /* Display Memory Data Port */
+ chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
+ free(fb_blank);
+}
+
+static void n800_dss_setup(struct n800_s *s, DisplayState *ds)
+{
+ s->blizzard.opaque = s1d13745_init(0, ds);
+ s->blizzard.block = s1d13745_write_block;
+ s->blizzard.write = s1d13745_write;
+ s->blizzard.read = s1d13745_read;
+
+ omap_rfbi_attach(s->cpu->dss, 0, &s->blizzard);
+}
+
+static void n800_cbus_setup(struct n800_s *s)
+{
+ qemu_irq dat_out = omap2_gpio_in_get(s->cpu->gpif, N8X0_CBUS_DAT_GPIO)[0];
+ qemu_irq retu_irq = omap2_gpio_in_get(s->cpu->gpif, N8X0_RETU_GPIO)[0];
+ qemu_irq tahvo_irq = omap2_gpio_in_get(s->cpu->gpif, N8X0_TAHVO_GPIO)[0];
+
+ struct cbus_s *cbus = cbus_init(dat_out);
+
+ omap2_gpio_out_set(s->cpu->gpif, N8X0_CBUS_CLK_GPIO, cbus->clk);
+ omap2_gpio_out_set(s->cpu->gpif, N8X0_CBUS_DAT_GPIO, cbus->dat);
+ omap2_gpio_out_set(s->cpu->gpif, N8X0_CBUS_SEL_GPIO, cbus->sel);
+
+ cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
+ cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
+}
+
+/* This task is normally performed by the bootloader. If we're loading
+ * a kernel directly, we need to set up GPMC mappings ourselves. */
+static void n800_gpmc_init(struct n800_s *s)
+{
+ uint32_t config7 =
+ (0xf << 8) | /* MASKADDRESS */
+ (1 << 6) | /* CSVALID */
+ (4 << 0); /* BASEADDRESS */
+
+ cpu_physical_memory_write(0x6800a078, /* GPMC_CONFIG7_0 */
+ (void *) &config7, sizeof(config7));
+}
+
+/* Setup sequence done by the bootloader */
+static void n800_boot_init(void *opaque)
+{
+ struct n800_s *s = (struct n800_s *) opaque;
+ uint32_t buf;
+
+ /* PRCM setup */
+#define omap_writel(addr, val) \
+ buf = (val); \
+ cpu_physical_memory_write(addr, (void *) &buf, sizeof(buf))
+
+ omap_writel(0x48008060, 0x41); /* PRCM_CLKSRC_CTRL */
+ omap_writel(0x48008070, 1); /* PRCM_CLKOUT_CTRL */
+ omap_writel(0x48008078, 0); /* PRCM_CLKEMUL_CTRL */
+ omap_writel(0x48008090, 0); /* PRCM_VOLTSETUP */
+ omap_writel(0x48008094, 0); /* PRCM_CLKSSETUP */
+ omap_writel(0x48008098, 0); /* PRCM_POLCTRL */
+ omap_writel(0x48008140, 2); /* CM_CLKSEL_MPU */
+ omap_writel(0x48008148, 0); /* CM_CLKSTCTRL_MPU */
+ omap_writel(0x48008158, 1); /* RM_RSTST_MPU */
+ omap_writel(0x480081c8, 0x15); /* PM_WKDEP_MPU */
+ omap_writel(0x480081d4, 0x1d4); /* PM_EVGENCTRL_MPU */
+ omap_writel(0x480081d8, 0); /* PM_EVEGENONTIM_MPU */
+ omap_writel(0x480081dc, 0); /* PM_EVEGENOFFTIM_MPU */
+ omap_writel(0x480081e0, 0xc); /* PM_PWSTCTRL_MPU */
+ omap_writel(0x48008200, 0x047e7ff7); /* CM_FCLKEN1_CORE */
+ omap_writel(0x48008204, 0x00000004); /* CM_FCLKEN2_CORE */
+ omap_writel(0x48008210, 0x047e7ff1); /* CM_ICLKEN1_CORE */
+ omap_writel(0x48008214, 0x00000004); /* CM_ICLKEN2_CORE */
+ omap_writel(0x4800821c, 0x00000000); /* CM_ICLKEN4_CORE */
+ omap_writel(0x48008230, 0); /* CM_AUTOIDLE1_CORE */
+ omap_writel(0x48008234, 0); /* CM_AUTOIDLE2_CORE */
+ omap_writel(0x48008238, 7); /* CM_AUTOIDLE3_CORE */
+ omap_writel(0x4800823c, 0); /* CM_AUTOIDLE4_CORE */
+ omap_writel(0x48008240, 0x04360626); /* CM_CLKSEL1_CORE */
+ omap_writel(0x48008244, 0x00000014); /* CM_CLKSEL2_CORE */
+ omap_writel(0x48008248, 0); /* CM_CLKSTCTRL_CORE */
+ omap_writel(0x48008300, 0x00000000); /* CM_FCLKEN_GFX */
+ omap_writel(0x48008310, 0x00000000); /* CM_ICLKEN_GFX */
+ omap_writel(0x48008340, 0x00000001); /* CM_CLKSEL_GFX */
+ omap_writel(0x48008400, 0x00000004); /* CM_FCLKEN_WKUP */
+ omap_writel(0x48008410, 0x00000004); /* CM_ICLKEN_WKUP */
+ omap_writel(0x48008440, 0x00000000); /* CM_CLKSEL_WKUP */
+ omap_writel(0x48008500, 0x000000cf); /* CM_CLKEN_PLL */
+ omap_writel(0x48008530, 0x0000000c); /* CM_AUTOIDLE_PLL */
+ omap_writel(0x48008540, /* CM_CLKSEL1_PLL */
+ (0x78 << 12) | (6 << 8));
+ omap_writel(0x48008544, 2); /* CM_CLKSEL2_PLL */
+
+ /* GPMC setup */
+ n800_gpmc_init(s);
+
+ /* Video setup */
+ n800_dss_init(&s->blizzard);
+
+ /* CPU setup */
+ s->cpu->env->regs[15] = s->cpu->env->boot_info->loader_start;
+ s->cpu->env->GE = 0x5;
+}
+
+#define OMAP_TAG_NOKIA_BT 0x4e01
+#define OMAP_TAG_WLAN_CX3110X 0x4e02
+#define OMAP_TAG_CBUS 0x4e03
+#define OMAP_TAG_EM_ASIC_BB5 0x4e04
+
+static int n800_atag_setup(struct arm_boot_info *info, void *p)
+{
+ uint8_t *b;
+ uint16_t *w;
+ uint32_t *l;
+
+ w = p;
+
+ stw_raw(w ++, OMAP_TAG_UART); /* u16 tag */
+ stw_raw(w ++, 4); /* u16 len */
+ stw_raw(w ++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
+ w ++;
+
+ stw_raw(w ++, OMAP_TAG_EM_ASIC_BB5); /* u16 tag */
+ stw_raw(w ++, 4); /* u16 len */
+ stw_raw(w ++, N8X0_RETU_GPIO); /* s16 retu_irq_gpio */
+ stw_raw(w ++, N8X0_TAHVO_GPIO); /* s16 tahvo_irq_gpio */
+
+ stw_raw(w ++, OMAP_TAG_CBUS); /* u16 tag */
+ stw_raw(w ++, 8); /* u16 len */
+ stw_raw(w ++, N8X0_CBUS_CLK_GPIO); /* s16 clk_gpio */
+ stw_raw(w ++, N8X0_CBUS_DAT_GPIO); /* s16 dat_gpio */
+ stw_raw(w ++, N8X0_CBUS_SEL_GPIO); /* s16 sel_gpio */
+ w ++;
+
+ stw_raw(w ++, OMAP_TAG_GPIO_SWITCH); /* u16 tag */
+ stw_raw(w ++, 20); /* u16 len */
+ strcpy((void *) w, "bat_cover"); /* char name[12] */
+ w += 6;
+ stw_raw(w ++, N800_BAT_COVER_GPIO); /* u16 gpio */
+ stw_raw(w ++, 0x01);
+ stw_raw(w ++, 0);
+ stw_raw(w ++, 0);
+
+ stw_raw(w ++, OMAP_TAG_GPIO_SWITCH); /* u16 tag */
+ stw_raw(w ++, 20); /* u16 len */
+ strcpy((void *) w, "cam_act"); /* char name[12] */
+ w += 6;
+ stw_raw(w ++, N800_CAM_ACT_GPIO); /* u16 gpio */
+ stw_raw(w ++, 0x20);
+ stw_raw(w ++, 0);
+ stw_raw(w ++, 0);
+
+ stw_raw(w ++, OMAP_TAG_GPIO_SWITCH); /* u16 tag */
+ stw_raw(w ++, 20); /* u16 len */
+ strcpy((void *) w, "cam_turn"); /* char name[12] */
+ w += 6;
+ stw_raw(w ++, N800_CAM_TURN_GPIO); /* u16 gpio */
+ stw_raw(w ++, 0x21);
+ stw_raw(w ++, 0);
+ stw_raw(w ++, 0);
+
+ stw_raw(w ++, OMAP_TAG_GPIO_SWITCH); /* u16 tag */
+ stw_raw(w ++, 20); /* u16 len */
+ strcpy((void *) w, "headphone"); /* char name[12] */
+ w += 6;
+ stw_raw(w ++, N800_HEADPHONE_GPIO); /* u16 gpio */
+ stw_raw(w ++, 0x11);
+ stw_raw(w ++, 0);
+ stw_raw(w ++, 0);
+
+ stw_raw(w ++, OMAP_TAG_NOKIA_BT); /* u16 tag */
+ stw_raw(w ++, 12); /* u16 len */
+ b = (void *) w;
+ stb_raw(b ++, 0x01); /* u8 chip_type (CSR) */
+ stb_raw(b ++, N800_BT_WKUP_GPIO); /* u8 bt_wakeup_gpio */
+ stb_raw(b ++, N8X0_BT_HOST_WKUP_GPIO); /* u8 host_wakeup_gpio */
+ stb_raw(b ++, N800_BT_RESET_GPIO); /* u8 reset_gpio */
+ stb_raw(b ++, 1); /* u8 bt_uart */
+ memset(b, 0, 6); /* u8 bd_addr[6] */
+ b += 6;
+ stb_raw(b ++, 0x02); /* u8 bt_sysclk (38.4) */
+ w = (void *) b;
+
+ stw_raw(w ++, OMAP_TAG_WLAN_CX3110X); /* u16 tag */
+ stw_raw(w ++, 8); /* u16 len */
+ stw_raw(w ++, 0x25); /* u8 chip_type */
+ stw_raw(w ++, N800_WLAN_PWR_GPIO); /* s16 power_gpio */
+ stw_raw(w ++, N800_WLAN_IRQ_GPIO); /* s16 irq_gpio */
+ stw_raw(w ++, -1); /* s16 spi_cs_gpio */
+
+ stw_raw(w ++, OMAP_TAG_MMC); /* u16 tag */
+ stw_raw(w ++, 16); /* u16 len */
+ stw_raw(w ++, 0xf); /* unsigned flags */
+ stw_raw(w ++, -1); /* s16 power_pin */
+ stw_raw(w ++, -1); /* s16 switch_pin */
+ stw_raw(w ++, -1); /* s16 wp_pin */
+ stw_raw(w ++, 0); /* unsigned flags */
+ stw_raw(w ++, 0); /* s16 power_pin */
+ stw_raw(w ++, 0); /* s16 switch_pin */
+ stw_raw(w ++, 0); /* s16 wp_pin */
+
+ stw_raw(w ++, OMAP_TAG_TEA5761); /* u16 tag */
+ stw_raw(w ++, 4); /* u16 len */
+ stw_raw(w ++, N800_TEA5761_CS_GPIO); /* u16 enable_gpio */
+ w ++;
+
+ stw_raw(w ++, OMAP_TAG_PARTITION); /* u16 tag */
+ stw_raw(w ++, 28); /* u16 len */
+ strcpy((void *) w, "bootloader"); /* char name[16] */
+ l = (void *) (w + 8);
+ stl_raw(l ++, 0x00020000); /* unsigned int size */
+ stl_raw(l ++, 0x00000000); /* unsigned int offset */
+ stl_raw(l ++, 0x3); /* unsigned int mask_flags */
+ w = (void *) l;
+
+ stw_raw(w ++, OMAP_TAG_PARTITION); /* u16 tag */
+ stw_raw(w ++, 28); /* u16 len */
+ strcpy((void *) w, "config"); /* char name[16] */
+ l = (void *) (w + 8);
+ stl_raw(l ++, 0x00060000); /* unsigned int size */
+ stl_raw(l ++, 0x00020000); /* unsigned int offset */
+ stl_raw(l ++, 0x0); /* unsigned int mask_flags */
+ w = (void *) l;
+
+ stw_raw(w ++, OMAP_TAG_PARTITION); /* u16 tag */
+ stw_raw(w ++, 28); /* u16 len */
+ strcpy((void *) w, "kernel"); /* char name[16] */
+ l = (void *) (w + 8);
+ stl_raw(l ++, 0x00200000); /* unsigned int size */
+ stl_raw(l ++, 0x00080000); /* unsigned int offset */
+ stl_raw(l ++, 0x0); /* unsigned int mask_flags */
+ w = (void *) l;
+
+ stw_raw(w ++, OMAP_TAG_PARTITION); /* u16 tag */
+ stw_raw(w ++, 28); /* u16 len */
+ strcpy((void *) w, "initfs"); /* char name[16] */
+ l = (void *) (w + 8);
+ stl_raw(l ++, 0x00200000); /* unsigned int size */
+ stl_raw(l ++, 0x00280000); /* unsigned int offset */
+ stl_raw(l ++, 0x3); /* unsigned int mask_flags */
+ w = (void *) l;
+
+ stw_raw(w ++, OMAP_TAG_PARTITION); /* u16 tag */
+ stw_raw(w ++, 28); /* u16 len */
+ strcpy((void *) w, "rootfs"); /* char name[16] */
+ l = (void *) (w + 8);
+ stl_raw(l ++, 0x0fb80000); /* unsigned int size */
+ stl_raw(l ++, 0x00480000); /* unsigned int offset */
+ stl_raw(l ++, 0x3); /* unsigned int mask_flags */
+ w = (void *) l;
+
+ stw_raw(w ++, OMAP_TAG_BOOT_REASON); /* u16 tag */
+ stw_raw(w ++, 12); /* u16 len */
+#if 0
+ strcpy((void *) w, "por"); /* char reason_str[12] */
+ strcpy((void *) w, "charger"); /* char reason_str[12] */
+ strcpy((void *) w, "32wd_to"); /* char reason_str[12] */
+ strcpy((void *) w, "sw_rst"); /* char reason_str[12] */
+ strcpy((void *) w, "mbus"); /* char reason_str[12] */
+ strcpy((void *) w, "unknown"); /* char reason_str[12] */
+ strcpy((void *) w, "swdg_to"); /* char reason_str[12] */
+ strcpy((void *) w, "sec_vio"); /* char reason_str[12] */
+ strcpy((void *) w, "pwr_key"); /* char reason_str[12] */
+ strcpy((void *) w, "rtc_alarm"); /* char reason_str[12] */
+#else
+ strcpy((void *) w, "pwr_key"); /* char reason_str[12] */
+#endif
+ w += 6;
+
+#if 0 /* N810 */
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "product"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "RX-44"); /* char version[12] */
+ w += 6;
+
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "hw-build"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "QEMU"); /* char version[12] */
+ w += 6;
+
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "nolo"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "1.1.10-qemu"); /* char version[12] */
+ w += 6;
+#else
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "product"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "RX-34"); /* char version[12] */
+ w += 6;
+
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "hw-build"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "QEMU"); /* char version[12] */
+ w += 6;
+
+ stw_raw(w ++, OMAP_TAG_VERSION_STR); /* u16 tag */
+ stw_raw(w ++, 24); /* u16 len */
+ strcpy((void *) w, "nolo"); /* char component[12] */
+ w += 6;
+ strcpy((void *) w, "1.1.6-qemu"); /* char version[12] */
+ w += 6;
+#endif
+
+ stw_raw(w ++, OMAP_TAG_LCD); /* u16 tag */
+ stw_raw(w ++, 36); /* u16 len */
+ strcpy((void *) w, "QEMU LCD panel"); /* char panel_name[16] */
+ w += 8;
+ strcpy((void *) w, "blizzard"); /* char ctrl_name[16] */
+ w += 8;
+ stw_raw(w ++, 5); /* TODO s16 nreset_gpio */
+ stw_raw(w ++, 16); /* u8 data_lines */
+
+ return (void *) w - p;
+}
+
+static struct arm_boot_info n800_binfo = {
+ .loader_start = OMAP2_Q2_BASE,
+ /* Actually two chips of 0x4000000 bytes each */
+ .ram_size = 0x08000000,
+ .board_id = 0x4f7,
+ .atag_board = n800_atag_setup,
+};
+
+static void n800_init(int 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 n800_s *s = (struct n800_s *) qemu_mallocz(sizeof(*s));
+ int sdram_size = n800_binfo.ram_size;
+ int onenandram_size = 0x00010000;
+
+ if (ram_size < sdram_size + onenandram_size + OMAP242X_SRAM_SIZE) {
+ fprintf(stderr, "This architecture uses %i bytes of memory\n",
+ sdram_size + onenandram_size + OMAP242X_SRAM_SIZE);
+ exit(1);
+ }
+
+ s->cpu = omap2420_mpu_init(sdram_size, NULL, cpu_model);
+
+ n800_gpio_setup(s);
+ n8x0_nand_setup(s);
+ n800_i2c_setup(s);
+ n800_tsc_setup(s);
+ n800_spi_setup(s);
+ n800_dss_setup(s, ds);
+ n800_cbus_setup(s);
+
+ /* Setup initial (reset) machine state */
+
+ /* Start at the OneNAND bootloader. */
+ s->cpu->env->regs[15] = 0;
+
+ if (kernel_filename) {
+ /* Or at the linux loader. */
+ n800_binfo.kernel_filename = kernel_filename;
+ n800_binfo.kernel_cmdline = kernel_cmdline;
+ n800_binfo.initrd_filename = initrd_filename;
+ arm_load_kernel(s->cpu->env, &n800_binfo);
+
+ qemu_register_reset(n800_boot_init, s);
+ n800_boot_init(s);
+ }
+
+ dpy_resize(ds, 800, 480);
+}
+
+QEMUMachine n800_machine = {
+ "n800",
+ "Nokia N800 aka. RX-34 tablet (OMAP2420)",
+ n800_init,
+};
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 06:20:24 +0000