arm: iproc: Initial commit of iproc architecture code

The iproc architecture code is present in several Broadcom
chip architectures, including Cygnus and NSP.

Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>

3 files changed, 98 insertions, 0 deletions

diff --git a/arch/arm/include/asm/iproc-common/armpll.h b/arch/arm/include/asm/iproc-common/armpll.h
new file mode 100644
index 0000000000..1bee350b7b
--- /dev/null
+++ b/arch/arm/include/asm/iproc-common/armpll.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ARMPLL_H
+#define __ARMPLL_H
+
+#include <linux/types.h>
+
+uint32_t armpll_config(uint32_t clkmhz);
+
+#endif /*__ARMPLL_H */
diff --git a/arch/arm/include/asm/iproc-common/sysmap.h b/arch/arm/include/asm/iproc-common/sysmap.h
new file mode 100644
index 0000000000..5766dc9e53
--- /dev/null
+++ b/arch/arm/include/asm/iproc-common/sysmap.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __SYSMAP_H
+#define __SYSMAP_H
+
+#define IHOST_PROC_CLK_PLLARMA					0X19000C00
+#define IHOST_PROC_CLK_PLLARMB					0X19000C04
+#define IHOST_PROC_CLK_PLLARMA__PLLARM_PDIV_R				24
+
+#define IHOST_PROC_CLK_WR_ACCESS				0X19000000
+#define IHOST_PROC_CLK_POLICY_FREQ				0X19000008
+#define IHOST_PROC_CLK_POLICY_FREQ__PRIV_ACCESS_MODE			31
+#define IHOST_PROC_CLK_POLICY_FREQ__POLICY3_FREQ_R			24
+#define IHOST_PROC_CLK_POLICY_FREQ__POLICY2_FREQ_R			16
+#define IHOST_PROC_CLK_POLICY_FREQ__POLICY1_FREQ_R			 8
+#define IHOST_PROC_CLK_POLICY_CTL				0X1900000C
+#define IHOST_PROC_CLK_POLICY_CTL__GO					 0
+#define IHOST_PROC_CLK_POLICY_CTL__GO_AC				 1
+#define IHOST_PROC_CLK_PLLARMB__PLLARM_NDIV_FRAC_R			 0
+#define IHOST_PROC_CLK_PLLARMB__PLLARM_NDIV_FRAC_WIDTH			20
+#define IHOST_PROC_CLK_PLLARMA__PLLARM_LOCK				28
+#define IHOST_PROC_CLK_POLICY_FREQ__POLICY0_FREQ_R			 0
+#define IHOST_PROC_CLK_PLLARMA__PLLARM_NDIV_INT_R			 8
+#define IHOST_PROC_CLK_PLLARMA__PLLARM_SOFT_POST_RESETB			 1
+#define IHOST_PROC_CLK_PLLARMA__PLLARM_SOFT_RESETB			 0
+#define IHOST_PROC_CLK_CORE0_CLKGATE				0X19000200
+#define IHOST_PROC_CLK_CORE1_CLKGATE				0X19000204
+#define IHOST_PROC_CLK_ARM_SWITCH_CLKGATE			0X19000210
+#define IHOST_PROC_CLK_ARM_PERIPH_CLKGATE			0X19000300
+#define IHOST_PROC_CLK_APB0_CLKGATE				0X19000400
+#define IPROC_CLKCT_HDELAY_SW_EN				0x00000303
+
+#define IPROC_REG_WRITE_ACCESS					0x00a5a501
+
+#define IPROC_PERIPH_BASE					0x19020000
+#define IPROC_PERIPH_INT_CTRL_REG_BASE		(IPROC_PERIPH_BASE +  0x100)
+#define IPROC_PERIPH_GLB_TIM_REG_BASE		(IPROC_PERIPH_BASE +  0x200)
+#define IPROC_PERIPH_PVT_TIM_REG_BASE		(IPROC_PERIPH_BASE +  0x600)
+#define IPROC_PERIPH_INT_DISTR_REG_BASE		(IPROC_PERIPH_BASE + 0x1000)
+
+#define PLL_AXI_CLK						0x1DCD6500
+
+#endif /* __SYSMAP_H */
diff --git a/arch/arm/include/asm/iproc-common/timer.h b/arch/arm/include/asm/iproc-common/timer.h
new file mode 100644
index 0000000000..2bc23221a4
--- /dev/null
+++ b/arch/arm/include/asm/iproc-common/timer.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __TIMER_H
+#define __TIMER_H
+
+#include <linux/types.h>
+
+void timer_systick_init(uint32_t tick_ms);
+void timer_global_init(void);
+
+/* ARM A9 Private Timer */
+#define TIMER_PVT_LOAD_OFFSET			0x00000000
+#define TIMER_PVT_COUNTER_OFFSET		0x00000004
+#define TIMER_PVT_CTRL_OFFSET			0x00000008
+#define TIMER_PVT_STATUS_OFFSET			0x0000000C
+#define TIMER_PVT_TIM_CTRL_TIM_EN		0x00000001
+#define TIMER_PVT_TIM_CTRL_AUTO_RELD		0x00000002
+#define TIMER_PVT_TIM_CTRL_INT_EN		0x00000004
+#define TIMER_PVT_TIM_CTRL_PRESC_MASK		0x0000FF00
+#define TIMER_PVT_TIM_INT_STATUS_SET		0x00000001
+
+/* Global timer */
+#define TIMER_GLB_LOW_OFFSET			0x00000000
+#define TIMER_GLB_HI_OFFSET			0x00000004
+#define TIMER_GLB_CTRL_OFFSET			0x00000008
+#define TIMER_GLB_TIM_CTRL_TIM_EN		0x00000001
+#define TIMER_GLB_TIM_CTRL_COMP_EN		0x00000002
+#define TIMER_GLB_TIM_CTRL_INT_EN		0x00000004
+#define TIMER_GLB_TIM_CTRL_AUTO_INC		0x00000008
+#define TIMER_GLB_TIM_CTRL_PRESC_MASK		0x0000FF00
+#define TIMER_GLB_TIM_INT_STATUS_SET		0x00000001
+
+#endif /*__TIMER_H */