MIPS: Platform files for XLR/XLS processor support

* include/asm/netlogic added with files common for all Netlogic processors
  (common with XLP which will be added later)
* include/asm/netlogic/xlr for XLR/XLS chip specific files
* netlogic/xlr for XLR/XLS platform files

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2334/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/netlogic/xlr/pic.h b/arch/mips/include/asm/netlogic/xlr/pic.h
new file mode 100644
index 0000000..5cceb74
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/pic.h
@@ -0,0 +1,231 @@
+/*
+ * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
+ * reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the NetLogic
+ * license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _ASM_NLM_XLR_PIC_H
+#define _ASM_NLM_XLR_PIC_H
+
+#define PIC_CLKS_PER_SEC		66666666ULL
+/* PIC hardware interrupt numbers */
+#define PIC_IRT_WD_INDEX		0
+#define PIC_IRT_TIMER_0_INDEX		1
+#define PIC_IRT_TIMER_1_INDEX		2
+#define PIC_IRT_TIMER_2_INDEX		3
+#define PIC_IRT_TIMER_3_INDEX		4
+#define PIC_IRT_TIMER_4_INDEX		5
+#define PIC_IRT_TIMER_5_INDEX		6
+#define PIC_IRT_TIMER_6_INDEX		7
+#define PIC_IRT_TIMER_7_INDEX		8
+#define PIC_IRT_CLOCK_INDEX		PIC_IRT_TIMER_7_INDEX
+#define PIC_IRT_UART_0_INDEX		9
+#define PIC_IRT_UART_1_INDEX		10
+#define PIC_IRT_I2C_0_INDEX		11
+#define PIC_IRT_I2C_1_INDEX		12
+#define PIC_IRT_PCMCIA_INDEX		13
+#define PIC_IRT_GPIO_INDEX		14
+#define PIC_IRT_HYPER_INDEX		15
+#define PIC_IRT_PCIX_INDEX		16
+/* XLS */
+#define PIC_IRT_CDE_INDEX		15
+#define PIC_IRT_BRIDGE_TB_XLS_INDEX	16
+/* XLS */
+#define PIC_IRT_GMAC0_INDEX		17
+#define PIC_IRT_GMAC1_INDEX		18
+#define PIC_IRT_GMAC2_INDEX		19
+#define PIC_IRT_GMAC3_INDEX		20
+#define PIC_IRT_XGS0_INDEX		21
+#define PIC_IRT_XGS1_INDEX		22
+#define PIC_IRT_HYPER_FATAL_INDEX	23
+#define PIC_IRT_PCIX_FATAL_INDEX	24
+#define PIC_IRT_BRIDGE_AERR_INDEX	25
+#define PIC_IRT_BRIDGE_BERR_INDEX	26
+#define PIC_IRT_BRIDGE_TB_XLR_INDEX	27
+#define PIC_IRT_BRIDGE_AERR_NMI_INDEX	28
+/* XLS */
+#define PIC_IRT_GMAC4_INDEX		21
+#define PIC_IRT_GMAC5_INDEX		22
+#define PIC_IRT_GMAC6_INDEX		23
+#define PIC_IRT_GMAC7_INDEX		24
+#define PIC_IRT_BRIDGE_ERR_INDEX	25
+#define PIC_IRT_PCIE_LINK0_INDEX	26
+#define PIC_IRT_PCIE_LINK1_INDEX	27
+#define PIC_IRT_PCIE_LINK2_INDEX	23
+#define PIC_IRT_PCIE_LINK3_INDEX	24
+#define PIC_IRT_PCIE_XLSB0_LINK2_INDEX	28
+#define PIC_IRT_PCIE_XLSB0_LINK3_INDEX	29
+#define PIC_IRT_SRIO_LINK0_INDEX	26
+#define PIC_IRT_SRIO_LINK1_INDEX	27
+#define PIC_IRT_SRIO_LINK2_INDEX	28
+#define PIC_IRT_SRIO_LINK3_INDEX	29
+#define PIC_IRT_PCIE_INT_INDEX		28
+#define PIC_IRT_PCIE_FATAL_INDEX	29
+#define PIC_IRT_GPIO_B_INDEX		30
+#define PIC_IRT_USB_INDEX		31
+/* XLS */
+#define PIC_NUM_IRTS			32
+
+
+#define PIC_CLOCK_TIMER			7
+
+/* PIC Registers */
+#define PIC_CTRL			0x00
+#define PIC_IPI				0x04
+#define PIC_INT_ACK			0x06
+
+#define WD_MAX_VAL_0			0x08
+#define WD_MAX_VAL_1			0x09
+#define WD_MASK_0			0x0a
+#define WD_MASK_1			0x0b
+#define WD_HEARBEAT_0			0x0c
+#define WD_HEARBEAT_1			0x0d
+
+#define PIC_IRT_0_BASE			0x40
+#define PIC_IRT_1_BASE			0x80
+#define PIC_TIMER_MAXVAL_0_BASE		0x100
+#define PIC_TIMER_MAXVAL_1_BASE		0x110
+#define PIC_TIMER_COUNT_0_BASE		0x120
+#define PIC_TIMER_COUNT_1_BASE		0x130
+
+#define PIC_IRT_0(picintr)      (PIC_IRT_0_BASE + (picintr))
+#define PIC_IRT_1(picintr)	(PIC_IRT_1_BASE + (picintr))
+
+#define PIC_TIMER_MAXVAL_0(i)	(PIC_TIMER_MAXVAL_0_BASE + (i))
+#define PIC_TIMER_MAXVAL_1(i)	(PIC_TIMER_MAXVAL_1_BASE + (i))
+#define PIC_TIMER_COUNT_0(i)	(PIC_TIMER_COUNT_0_BASE + (i))
+#define PIC_TIMER_COUNT_1(i)	(PIC_TIMER_COUNT_0_BASE + (i))
+
+/*
+ * Mapping between hardware interrupt numbers and IRQs on CPU
+ * we use a simple scheme to map PIC interrupts 0-31 to IRQs
+ * 8-39. This leaves the IRQ 0-7 for cpu interrupts like
+ * count/compare and FMN
+ */
+#define PIC_IRQ_BASE            8
+#define PIC_INTR_TO_IRQ(i)      (PIC_IRQ_BASE + (i))
+#define PIC_IRQ_TO_INTR(i)      ((i) - PIC_IRQ_BASE)
+
+#define PIC_IRT_FIRST_IRQ	PIC_IRQ_BASE
+#define PIC_WD_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_WD_INDEX)
+#define PIC_TIMER_0_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_0_INDEX)
+#define PIC_TIMER_1_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_1_INDEX)
+#define PIC_TIMER_2_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_2_INDEX)
+#define PIC_TIMER_3_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_3_INDEX)
+#define PIC_TIMER_4_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_4_INDEX)
+#define PIC_TIMER_5_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_5_INDEX)
+#define PIC_TIMER_6_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_6_INDEX)
+#define PIC_TIMER_7_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_TIMER_7_INDEX)
+#define PIC_CLOCK_IRQ		(PIC_TIMER_7_IRQ)
+#define PIC_UART_0_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_UART_0_INDEX)
+#define PIC_UART_1_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_UART_1_INDEX)
+#define PIC_I2C_0_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_I2C_0_INDEX)
+#define PIC_I2C_1_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_I2C_1_INDEX)
+#define PIC_PCMCIA_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_PCMCIA_INDEX)
+#define PIC_GPIO_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GPIO_INDEX)
+#define PIC_HYPER_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_HYPER_INDEX)
+#define PIC_PCIX_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_PCIX_INDEX)
+/* XLS */
+#define PIC_CDE_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_CDE_INDEX)
+#define PIC_BRIDGE_TB_XLS_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLS_INDEX)
+/* end XLS */
+#define PIC_GMAC_0_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC0_INDEX)
+#define PIC_GMAC_1_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC1_INDEX)
+#define PIC_GMAC_2_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC2_INDEX)
+#define PIC_GMAC_3_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC3_INDEX)
+#define PIC_XGS_0_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_XGS0_INDEX)
+#define PIC_XGS_1_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_XGS1_INDEX)
+#define PIC_HYPER_FATAL_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_HYPER_FATAL_INDEX)
+#define PIC_PCIX_FATAL_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIX_FATAL_INDEX)
+#define PIC_BRIDGE_AERR_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_INDEX)
+#define PIC_BRIDGE_BERR_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_BERR_INDEX)
+#define PIC_BRIDGE_TB_XLR_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLR_INDEX)
+#define PIC_BRIDGE_AERR_NMI_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_NMI_INDEX)
+/* XLS defines */
+#define PIC_GMAC_4_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC4_INDEX)
+#define PIC_GMAC_5_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC5_INDEX)
+#define PIC_GMAC_6_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC6_INDEX)
+#define PIC_GMAC_7_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GMAC7_INDEX)
+#define PIC_BRIDGE_ERR_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_ERR_INDEX)
+#define PIC_PCIE_LINK0_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK0_INDEX)
+#define PIC_PCIE_LINK1_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK1_INDEX)
+#define PIC_PCIE_LINK2_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK2_INDEX)
+#define PIC_PCIE_LINK3_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK3_INDEX)
+#define PIC_PCIE_XLSB0_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK2_INDEX)
+#define PIC_PCIE_XLSB0_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK3_INDEX)
+#define PIC_SRIO_LINK0_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK0_INDEX)
+#define PIC_SRIO_LINK1_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK1_INDEX)
+#define PIC_SRIO_LINK2_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK2_INDEX)
+#define PIC_SRIO_LINK3_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK3_INDEX)
+#define PIC_PCIE_INT_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_INT__INDEX)
+#define PIC_PCIE_FATAL_IRQ	PIC_INTR_TO_IRQ(PIC_IRT_PCIE_FATAL_INDEX)
+#define PIC_GPIO_B_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_GPIO_B_INDEX)
+#define PIC_USB_IRQ		PIC_INTR_TO_IRQ(PIC_IRT_USB_INDEX)
+#define PIC_IRT_LAST_IRQ	PIC_USB_IRQ
+/* end XLS */
+
+#ifndef __ASSEMBLY__
+static inline void pic_send_ipi(u32 ipi)
+{
+	nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+	netlogic_write_reg(mmio, PIC_IPI, ipi);
+}
+
+static inline u32 pic_read_control(void)
+{
+	nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+	return netlogic_read_reg(mmio, PIC_CTRL);
+}
+
+static inline void pic_write_control(u32 control)
+{
+	nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+	netlogic_write_reg(mmio, PIC_CTRL, control);
+}
+
+static inline void pic_update_control(u32 control)
+{
+	nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+	netlogic_write_reg(mmio, PIC_CTRL,
+		(control | netlogic_read_reg(mmio, PIC_CTRL)));
+}
+
+#define PIC_IRQ_IS_EDGE_TRIGGERED(irq)	(((irq) >= PIC_TIMER_0_IRQ) && \
+					((irq) <= PIC_TIMER_7_IRQ))
+#define PIC_IRQ_IS_IRT(irq)		(((irq) >= PIC_IRT_FIRST_IRQ) && \
+					((irq) <= PIC_IRT_LAST_IRQ))
+#endif
+
+#endif /* _ASM_NLM_XLR_PIC_H */