drivers: bus: Move the OMAP interconnect driver to drivers/bus/

OMAP interconnect drivers are used for the interconnect error handling.
Since they are bus driver, lets move it to newly created drivers/bus.

Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 338 insertions, 0 deletions

diff --git a/drivers/bus/omap_l3_smx.h b/drivers/bus/omap_l3_smx.h
new file mode 100644
index 000000000000..4f3cebca4179
--- /dev/null
+++ b/drivers/bus/omap_l3_smx.h
@@ -0,0 +1,338 @@
+/*
+ * OMAP3XXX L3 Interconnect Driver header
+ *
+ * Copyright (C) 2011 Texas Corporation
+ *	Felipe Balbi <balbi@ti.com>
+ *	Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *	sricharan <r.sricharan@ti.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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
+#define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
+
+/* Register definitions. All 64-bit wide */
+#define L3_COMPONENT			0x000
+#define L3_CORE				0x018
+#define L3_AGENT_CONTROL		0x020
+#define L3_AGENT_STATUS			0x028
+#define L3_ERROR_LOG			0x058
+
+#define L3_ERROR_LOG_MULTI		(1 << 31)
+#define L3_ERROR_LOG_SECONDARY		(1 << 30)
+
+#define L3_ERROR_LOG_ADDR		0x060
+
+/* Register definitions for Sideband Interconnect */
+#define L3_SI_CONTROL			0x020
+#define L3_SI_FLAG_STATUS_0		0x510
+
+static const u64 shift = 1;
+
+#define L3_STATUS_0_MPUIA_BRST		(shift << 0)
+#define L3_STATUS_0_MPUIA_RSP		(shift << 1)
+#define L3_STATUS_0_MPUIA_INBAND	(shift << 2)
+#define L3_STATUS_0_IVAIA_BRST		(shift << 6)
+#define L3_STATUS_0_IVAIA_RSP		(shift << 7)
+#define L3_STATUS_0_IVAIA_INBAND	(shift << 8)
+#define L3_STATUS_0_SGXIA_BRST		(shift << 9)
+#define L3_STATUS_0_SGXIA_RSP		(shift << 10)
+#define L3_STATUS_0_SGXIA_MERROR	(shift << 11)
+#define L3_STATUS_0_CAMIA_BRST		(shift << 12)
+#define L3_STATUS_0_CAMIA_RSP		(shift << 13)
+#define L3_STATUS_0_CAMIA_INBAND	(shift << 14)
+#define L3_STATUS_0_DISPIA_BRST		(shift << 15)
+#define L3_STATUS_0_DISPIA_RSP		(shift << 16)
+#define L3_STATUS_0_DMARDIA_BRST	(shift << 18)
+#define L3_STATUS_0_DMARDIA_RSP		(shift << 19)
+#define L3_STATUS_0_DMAWRIA_BRST	(shift << 21)
+#define L3_STATUS_0_DMAWRIA_RSP		(shift << 22)
+#define L3_STATUS_0_USBOTGIA_BRST	(shift << 24)
+#define L3_STATUS_0_USBOTGIA_RSP	(shift << 25)
+#define L3_STATUS_0_USBOTGIA_INBAND	(shift << 26)
+#define L3_STATUS_0_USBHOSTIA_BRST	(shift << 27)
+#define L3_STATUS_0_USBHOSTIA_INBAND	(shift << 28)
+#define L3_STATUS_0_SMSTA_REQ		(shift << 48)
+#define L3_STATUS_0_GPMCTA_REQ		(shift << 49)
+#define L3_STATUS_0_OCMRAMTA_REQ	(shift << 50)
+#define L3_STATUS_0_OCMROMTA_REQ	(shift << 51)
+#define L3_STATUS_0_IVATA_REQ		(shift << 54)
+#define L3_STATUS_0_SGXTA_REQ		(shift << 55)
+#define L3_STATUS_0_SGXTA_SERROR	(shift << 56)
+#define L3_STATUS_0_GPMCTA_SERROR	(shift << 57)
+#define L3_STATUS_0_L4CORETA_REQ	(shift << 58)
+#define L3_STATUS_0_L4PERTA_REQ		(shift << 59)
+#define L3_STATUS_0_L4EMUTA_REQ		(shift << 60)
+#define L3_STATUS_0_MAD2DTA_REQ		(shift << 61)
+
+#define L3_STATUS_0_TIMEOUT_MASK	(L3_STATUS_0_MPUIA_BRST		\
+					| L3_STATUS_0_MPUIA_RSP		\
+					| L3_STATUS_0_IVAIA_BRST	\
+					| L3_STATUS_0_IVAIA_RSP		\
+					| L3_STATUS_0_SGXIA_BRST	\
+					| L3_STATUS_0_SGXIA_RSP		\
+					| L3_STATUS_0_CAMIA_BRST	\
+					| L3_STATUS_0_CAMIA_RSP		\
+					| L3_STATUS_0_DISPIA_BRST	\
+					| L3_STATUS_0_DISPIA_RSP	\
+					| L3_STATUS_0_DMARDIA_BRST	\
+					| L3_STATUS_0_DMARDIA_RSP	\
+					| L3_STATUS_0_DMAWRIA_BRST	\
+					| L3_STATUS_0_DMAWRIA_RSP	\
+					| L3_STATUS_0_USBOTGIA_BRST	\
+					| L3_STATUS_0_USBOTGIA_RSP	\
+					| L3_STATUS_0_USBHOSTIA_BRST	\
+					| L3_STATUS_0_SMSTA_REQ		\
+					| L3_STATUS_0_GPMCTA_REQ	\
+					| L3_STATUS_0_OCMRAMTA_REQ	\
+					| L3_STATUS_0_OCMROMTA_REQ	\
+					| L3_STATUS_0_IVATA_REQ		\
+					| L3_STATUS_0_SGXTA_REQ		\
+					| L3_STATUS_0_L4CORETA_REQ	\
+					| L3_STATUS_0_L4PERTA_REQ	\
+					| L3_STATUS_0_L4EMUTA_REQ	\
+					| L3_STATUS_0_MAD2DTA_REQ)
+
+#define L3_SI_FLAG_STATUS_1		0x530
+
+#define L3_STATUS_1_MPU_DATAIA		(1 << 0)
+#define L3_STATUS_1_DAPIA0		(1 << 3)
+#define L3_STATUS_1_DAPIA1		(1 << 4)
+#define L3_STATUS_1_IVAIA		(1 << 6)
+
+#define L3_PM_ERROR_LOG			0x020
+#define L3_PM_CONTROL			0x028
+#define L3_PM_ERROR_CLEAR_SINGLE	0x030
+#define L3_PM_ERROR_CLEAR_MULTI		0x038
+#define L3_PM_REQ_INFO_PERMISSION(n)	(0x048 + (0x020 * n))
+#define L3_PM_READ_PERMISSION(n)	(0x050 + (0x020 * n))
+#define L3_PM_WRITE_PERMISSION(n)	(0x058 + (0x020 * n))
+#define L3_PM_ADDR_MATCH(n)		(0x060 + (0x020 * n))
+
+/* L3 error log bit fields. Common for IA and TA */
+#define L3_ERROR_LOG_CODE		24
+#define L3_ERROR_LOG_INITID		8
+#define L3_ERROR_LOG_CMD		0
+
+/* L3 agent status bit fields. */
+#define L3_AGENT_STATUS_CLEAR_IA	0x10000000
+#define L3_AGENT_STATUS_CLEAR_TA	0x01000000
+
+#define OMAP34xx_IRQ_L3_APP		10
+#define L3_APPLICATION_ERROR		0x0
+#define L3_DEBUG_ERROR			0x1
+
+enum omap3_l3_initiator_id {
+	/* LCD has 1 ID */
+	OMAP_L3_LCD = 29,
+	/* SAD2D has 1 ID */
+	OMAP_L3_SAD2D = 28,
+	/* MPU has 5 IDs */
+	OMAP_L3_IA_MPU_SS_1 = 27,
+	OMAP_L3_IA_MPU_SS_2 = 26,
+	OMAP_L3_IA_MPU_SS_3 = 25,
+	OMAP_L3_IA_MPU_SS_4 = 24,
+	OMAP_L3_IA_MPU_SS_5 = 23,
+	/* IVA2.2 SS has 3 IDs*/
+	OMAP_L3_IA_IVA_SS_1 = 22,
+	OMAP_L3_IA_IVA_SS_2 = 21,
+	OMAP_L3_IA_IVA_SS_3 = 20,
+	/* IVA 2.2 SS DMA has 6 IDS */
+	OMAP_L3_IA_IVA_SS_DMA_1 = 19,
+	OMAP_L3_IA_IVA_SS_DMA_2 = 18,
+	OMAP_L3_IA_IVA_SS_DMA_3 = 17,
+	OMAP_L3_IA_IVA_SS_DMA_4 = 16,
+	OMAP_L3_IA_IVA_SS_DMA_5 = 15,
+	OMAP_L3_IA_IVA_SS_DMA_6 = 14,
+	/* SGX has 1 ID */
+	OMAP_L3_IA_SGX = 13,
+	/* CAM has 3 ID */
+	OMAP_L3_IA_CAM_1 = 12,
+	OMAP_L3_IA_CAM_2 = 11,
+	OMAP_L3_IA_CAM_3 = 10,
+	/* DAP has 1 ID */
+	OMAP_L3_IA_DAP = 9,
+	/* SDMA WR has 2 IDs */
+	OMAP_L3_SDMA_WR_1 = 8,
+	OMAP_L3_SDMA_WR_2 = 7,
+	/* SDMA RD has 4 IDs */
+	OMAP_L3_SDMA_RD_1 = 6,
+	OMAP_L3_SDMA_RD_2 = 5,
+	OMAP_L3_SDMA_RD_3 = 4,
+	OMAP_L3_SDMA_RD_4 = 3,
+	/* HSUSB OTG has 1 ID */
+	OMAP_L3_USBOTG = 2,
+	/* HSUSB HOST has 1 ID */
+	OMAP_L3_USBHOST = 1,
+};
+
+enum omap3_l3_code {
+	OMAP_L3_CODE_NOERROR = 0,
+	OMAP_L3_CODE_UNSUP_CMD = 1,
+	OMAP_L3_CODE_ADDR_HOLE = 2,
+	OMAP_L3_CODE_PROTECT_VIOLATION = 3,
+	OMAP_L3_CODE_IN_BAND_ERR = 4,
+	/* codes 5 and 6 are reserved */
+	OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
+	OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
+	/* codes 9 - 15 are also reserved */
+};
+
+struct omap3_l3 {
+	struct device *dev;
+	struct clk *ick;
+
+	/* memory base*/
+	void __iomem *rt;
+
+	int debug_irq;
+	int app_irq;
+
+	/* true when and inband functional error occurs */
+	unsigned inband:1;
+};
+
+/* offsets for l3 agents in order with the Flag status register */
+static unsigned int omap3_l3_app_bases[] = {
+	/* MPU IA */
+	0x1400,
+	0x1400,
+	0x1400,
+	/* RESERVED */
+	0,
+	0,
+	0,
+	/* IVA 2.2 IA */
+	0x1800,
+	0x1800,
+	0x1800,
+	/* SGX IA */
+	0x1c00,
+	0x1c00,
+	/* RESERVED */
+	0,
+	/* CAMERA IA */
+	0x5800,
+	0x5800,
+	0x5800,
+	/* DISPLAY IA */
+	0x5400,
+	0x5400,
+	/* RESERVED */
+	0,
+	/*SDMA RD IA */
+	0x4c00,
+	0x4c00,
+	/* RESERVED */
+	0,
+	/* SDMA WR IA */
+	0x5000,
+	0x5000,
+	/* RESERVED */
+	0,
+	/* USB OTG IA */
+	0x4400,
+	0x4400,
+	0x4400,
+	/* USB HOST IA */
+	0x4000,
+	0x4000,
+	/* RESERVED */
+	0,
+	0,
+	0,
+	0,
+	/* SAD2D IA */
+	0x3000,
+	0x3000,
+	0x3000,
+	/* RESERVED */
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	/* SMA TA */
+	0x2000,
+	/* GPMC TA */
+	0x2400,
+	/* OCM RAM TA */
+	0x2800,
+	/* OCM ROM TA */
+	0x2C00,
+	/* L4 CORE TA */
+	0x6800,
+	/* L4 PER TA */
+	0x6c00,
+	/* IVA 2.2 TA */
+	0x6000,
+	/* SGX TA */
+	0x6400,
+	/* L4 EMU TA */
+	0x7000,
+	/* GPMC TA */
+	0x2400,
+	/* L4 CORE TA */
+	0x6800,
+	/* L4 PER TA */
+	0x6c00,
+	/* L4 EMU TA */
+	0x7000,
+	/* MAD2D TA */
+	0x3400,
+	/* RESERVED */
+	0,
+	0,
+};
+
+static unsigned int omap3_l3_debug_bases[] = {
+	/* MPU DATA IA */
+	0x1400,
+	/* RESERVED */
+	0,
+	0,
+	/* DAP IA */
+	0x5c00,
+	0x5c00,
+	/* RESERVED */
+	0,
+	/* IVA 2.2 IA */
+	0x1800,
+	/* REST RESERVED */
+};
+
+static u32 *omap3_l3_bases[] = {
+	omap3_l3_app_bases,
+	omap3_l3_debug_bases,
+};
+
+/*
+ * REVISIT define __raw_readll/__raw_writell here, but move them to
+ * <asm/io.h> at some point
+ */
+#define __raw_writell(v, a)	(__chk_io_ptr(a), \
+				*(volatile u64 __force *)(a) = (v))
+#define __raw_readll(a)		(__chk_io_ptr(a), \
+				*(volatile u64 __force *)(a))
+
+#endif