summaryrefslogtreecommitdiff
path: root/include/hw/arm/exynos4210.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/hw/arm/exynos4210.h')
-rw-r--r--include/hw/arm/exynos4210.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/include/hw/arm/exynos4210.h b/include/hw/arm/exynos4210.h
new file mode 100644
index 0000000000..bb9a1dddc8
--- /dev/null
+++ b/include/hw/arm/exynos4210.h
@@ -0,0 +1,137 @@
+/*
+ * Samsung exynos4210 SoC emulation
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ * Maksim Kozlov <m.kozlov@samsung.com>
+ * Evgeny Voevodin <e.voevodin@samsung.com>
+ * Igor Mitsyanko <i.mitsyanko@samsung.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 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef EXYNOS4210_H_
+#define EXYNOS4210_H_
+
+#include "qemu-common.h"
+#include "exec/memory.h"
+
+#define EXYNOS4210_NCPUS 2
+
+#define EXYNOS4210_DRAM0_BASE_ADDR 0x40000000
+#define EXYNOS4210_DRAM1_BASE_ADDR 0xa0000000
+#define EXYNOS4210_DRAM_MAX_SIZE 0x60000000 /* 1.5 GB */
+
+#define EXYNOS4210_IROM_BASE_ADDR 0x00000000
+#define EXYNOS4210_IROM_SIZE 0x00010000 /* 64 KB */
+#define EXYNOS4210_IROM_MIRROR_BASE_ADDR 0x02000000
+#define EXYNOS4210_IROM_MIRROR_SIZE 0x00010000 /* 64 KB */
+
+#define EXYNOS4210_IRAM_BASE_ADDR 0x02020000
+#define EXYNOS4210_IRAM_SIZE 0x00020000 /* 128 KB */
+
+/* Secondary CPU startup code is in IROM memory */
+#define EXYNOS4210_SMP_BOOT_ADDR EXYNOS4210_IROM_BASE_ADDR
+#define EXYNOS4210_SMP_BOOT_SIZE 0x1000
+#define EXYNOS4210_BASE_BOOT_ADDR EXYNOS4210_DRAM0_BASE_ADDR
+/* Secondary CPU polling address to get loader start from */
+#define EXYNOS4210_SECOND_CPU_BOOTREG 0x10020814
+
+#define EXYNOS4210_SMP_PRIVATE_BASE_ADDR 0x10500000
+#define EXYNOS4210_L2X0_BASE_ADDR 0x10502000
+
+/*
+ * exynos4210 IRQ subsystem stub definitions.
+ */
+#define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */
+
+#define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ 64
+#define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ 16
+#define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ \
+ (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8)
+#define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ \
+ (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8)
+
+#define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit) ((grp)*8 + (bit))
+#define EXYNOS4210_COMBINER_GET_GRP_NUM(irq) ((irq) / 8)
+#define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
+ ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
+
+/* IRQs number for external and internal GIC */
+#define EXYNOS4210_EXT_GIC_NIRQ (160-32)
+#define EXYNOS4210_INT_GIC_NIRQ 64
+
+#define EXYNOS4210_I2C_NUMBER 9
+
+typedef struct Exynos4210Irq {
+ qemu_irq int_combiner_irq[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
+ qemu_irq ext_combiner_irq[EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ];
+ qemu_irq int_gic_irq[EXYNOS4210_INT_GIC_NIRQ];
+ qemu_irq ext_gic_irq[EXYNOS4210_EXT_GIC_NIRQ];
+ qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
+} Exynos4210Irq;
+
+typedef struct Exynos4210State {
+ ARMCPU *cpu[EXYNOS4210_NCPUS];
+ Exynos4210Irq irqs;
+ qemu_irq *irq_table;
+
+ MemoryRegion chipid_mem;
+ MemoryRegion iram_mem;
+ MemoryRegion irom_mem;
+ MemoryRegion irom_alias_mem;
+ MemoryRegion dram0_mem;
+ MemoryRegion dram1_mem;
+ MemoryRegion boot_secondary;
+ MemoryRegion bootreg_mem;
+ i2c_bus *i2c_if[EXYNOS4210_I2C_NUMBER];
+} Exynos4210State;
+
+void exynos4210_write_secondary(ARMCPU *cpu,
+ const struct arm_boot_info *info);
+
+Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
+ unsigned long ram_size);
+
+/* Initialize exynos4210 IRQ subsystem stub */
+qemu_irq *exynos4210_init_irq(Exynos4210Irq *env);
+
+/* Initialize board IRQs.
+ * These IRQs contain splitted Int/External Combiner and External Gic IRQs */
+void exynos4210_init_board_irqs(Exynos4210Irq *s);
+
+/* Get IRQ number from exynos4210 IRQ subsystem stub.
+ * To identify IRQ source use internal combiner group and bit number
+ * grp - group number
+ * bit - bit number inside group */
+uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit);
+
+/*
+ * Get Combiner input GPIO into irqs structure
+ */
+void exynos4210_combiner_get_gpioin(Exynos4210Irq *irqs, DeviceState *dev,
+ int ext);
+
+/*
+ * exynos4210 UART
+ */
+DeviceState *exynos4210_uart_create(hwaddr addr,
+ int fifo_size,
+ int channel,
+ CharDriverState *chr,
+ qemu_irq irq);
+
+#endif /* EXYNOS4210_H_ */