msm: iomap: Add MSMSAMARIUM support
Add the I/O map macro definitions and associated functions
needed to create the early I/O mappings on MSMSAMARIUM.
Change-Id: I839d5225e2017212fdb092f585e111e53a0f32a5
Signed-off-by: Jay Chokshi <jchokshi@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 690e52a..795bdfc 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -604,6 +604,7 @@
void msm_map_8974_io(void);
void msm_map_8084_io(void);
void msm_map_msmkrypton_io(void);
+void msm_map_msmsamarium_io(void);
void msm_map_msm8625_io(void);
void msm_map_msm9625_io(void);
void msm_init_irq(void);
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-samarium.h b/arch/arm/mach-msm/include/mach/msm_iomap-samarium.h
new file mode 100644
index 0000000..7a6b626
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-samarium.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_MSM_IOMAP_SAMARIUM_H
+#define __ASM_ARCH_MSM_IOMAP_SAMARIUM_H
+
+/* Physical base address and size of peripherals.
+ * Ordered by the virtual base addresses they will be mapped at.
+ *
+ * If you add or remove entries here, you'll want to edit the
+ * io desc array in arch/arm/mach-msm/io.c to reflect your
+ * changes.
+ *
+ */
+
+#define MSMSAMARIUM_SHARED_RAM_PHYS 0x0FA00000
+
+#define MSMSAMARIUM_QGIC_DIST_PHYS 0xF9000000
+#define MSMSAMARIUM_QGIC_DIST_SIZE SZ_4K
+
+#define MSMSAMARIUM_TLMM_PHYS 0xFD510000
+#define MSMSAMARIUM_TLMM_SIZE SZ_16K
+
+#define MSMSAMARIUM_MPM2_PSHOLD_PHYS 0xFC4AB000
+#define MSMSAMARIUM_MPM2_PSHOLD_SIZE SZ_4K
+
+#ifdef CONFIG_DEBUG_MSMSAMARIUM_UART
+#define MSM_DEBUG_UART_BASE IOMEM(0xFA71E000)
+#define MSM_DEBUG_UART_PHYS 0xF991E000
+#endif
+
+#endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index 185958c..676df66 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -137,6 +137,8 @@
#include "msm_iomap-8610.h"
#include "msm_iomap-krypton.h"
#include "msm_iomap-fsm9900.h"
+#include "msm_iomap-samarium.h"
+
#endif
#endif
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 099862f..73e960f 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -614,3 +614,26 @@
of_scan_flat_dt(msm_scan_dt_map_imem, NULL);
}
#endif /* CONFIG_ARCH_MSM8610 */
+
+#ifdef CONFIG_ARCH_MSMSAMARIUM
+static struct map_desc msmsamarium_io_desc[] __initdata = {
+ MSM_CHIP_DEVICE(QGIC_DIST, MSMSAMARIUM),
+ MSM_CHIP_DEVICE(TLMM, MSMSAMARIUM),
+ MSM_CHIP_DEVICE(MPM2_PSHOLD, MSMSAMARIUM),
+ {
+ .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
+ .length = MSM_SHARED_RAM_SIZE,
+ .type = MT_DEVICE,
+ },
+#if defined(CONFIG_DEBUG_MSMSAMARIUM_UART) || defined(CONFIG_DEBUG_MSM8974_UART)
+ MSM_DEVICE(DEBUG_UART),
+#endif
+};
+
+void __init msm_map_msmsamarium_io(void)
+{
+ msm_shared_ram_phys = MSMSAMARIUM_SHARED_RAM_PHYS;
+ msm_map_io(msmsamarium_io_desc, ARRAY_SIZE(msmsamarium_io_desc));
+ of_scan_flat_dt(msm_scan_dt_map_imem, NULL);
+}
+#endif /* CONFIG_ARCH_MSMSAMARIUM */