diff options
| author | Mitsyanko Igor <i.mitsyanko@samsung.com> | 2012-07-18 08:18:34 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2012-07-20 14:30:09 +0100 |
| commit | ffbbe7d02fd02a6b563df443e4406de076ac7d93 (patch) | |
| tree | c0e5d06ffc549882af0f9ccabd4b1cac5caf0bd0 /hw/exynos4210.c | |
| parent | 4688870d87883784bd151e0b7d024e5027c39f01 (diff) | |
| download | qemu-ffbbe7d02fd02a6b563df443e4406de076ac7d93.zip qemu-ffbbe7d02fd02a6b563df443e4406de076ac7d93.tar.gz qemu-ffbbe7d02fd02a6b563df443e4406de076ac7d93.tar.bz2 | |
exynos4210: add Exynos4210 i2c implementation
Create 9 exynos4210 i2c interfaces.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/exynos4210.c')
| -rw-r--r-- | hw/exynos4210.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/hw/exynos4210.c b/hw/exynos4210.c index 7c58c90..00d4db8 100644 --- a/hw/exynos4210.c +++ b/hw/exynos4210.c @@ -39,6 +39,13 @@ /* MCT */ #define EXYNOS4210_MCT_BASE_ADDR 0x10050000 +/* I2C */ +#define EXYNOS4210_I2C_SHIFT 0x00010000 +#define EXYNOS4210_I2C_BASE_ADDR 0x13860000 +/* Interrupt Group of External Interrupt Combiner for I2C */ +#define EXYNOS4210_I2C_INTG 27 +#define EXYNOS4210_HDMI_INTG 16 + /* UART's definitions */ #define EXYNOS4210_UART0_BASE_ADDR 0x13800000 #define EXYNOS4210_UART1_BASE_ADDR 0x13810000 @@ -283,6 +290,26 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem, s->irq_table[exynos4210_get_irq(35, 3)]); sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR); + /*** I2C ***/ + for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) { + uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n; + qemu_irq i2c_irq; + + if (n < 8) { + i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)]; + } else { + i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)]; + } + + dev = qdev_create(NULL, "exynos4210.i2c"); + qdev_init_nofail(dev); + busdev = sysbus_from_qdev(dev); + sysbus_connect_irq(busdev, 0, i2c_irq); + sysbus_mmio_map(busdev, 0, addr); + s->i2c_if[n] = (i2c_bus *)qdev_get_child_bus(dev, "i2c"); + } + + /*** UARTs ***/ exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR, EXYNOS4210_UART0_FIFO_SIZE, 0, NULL, |