[MIPS] Routerboard 532: Support for base system

Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 481 insertions, 0 deletions

diff --git a/include/asm-mips/mach-rc32434/pci.h b/include/asm-mips/mach-rc32434/pci.h
new file mode 100644
index 0000000..410638f
--- /dev/null
+++ b/include/asm-mips/mach-rc32434/pci.h
@@ -0,0 +1,481 @@
+/*
+ *  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  SOFTWARE  IS PROVIDED   ``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   THE AUTHOR  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.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Copyright 2004 IDT Inc. (rischelp@idt.com)
+ *
+ * Initial Release
+ */
+
+#ifndef _ASM_RC32434_PCI_H_
+#define _ASM_RC32434_PCI_H_
+
+#define epld_mask ((volatile unsigned char *)0xB900000d)
+
+#define PCI0_BASE_ADDR		0x18080000
+#define PCI_LBA_COUNT		4
+
+struct pci_map {
+	u32 address;		/* Address. */
+	u32 control;		/* Control. */
+	u32 mapping;		/* mapping. */
+};
+
+struct pci_reg {
+	u32 pcic;
+	u32 pcis;
+	u32 pcism;
+	u32 pcicfga;
+	u32 pcicfgd;
+	volatile struct pci_map pcilba[PCI_LBA_COUNT];
+	u32 pcidac;
+	u32 pcidas;
+	u32 pcidasm;
+	u32 pcidad;
+	u32 pcidma8c;
+	u32 pcidma9c;
+	u32 pcitc;
+};
+
+#define PCI_MSU_COUNT		2
+
+struct pci_msu {
+	u32 pciim[PCI_MSU_COUNT];
+	u32 pciom[PCI_MSU_COUNT];
+	u32 pciid;
+	u32 pciiic;
+	u32 pciiim;
+	u32 pciiod;
+	u32 pciioic;
+	u32 pciioim;
+};
+
+/*
+ * PCI Control Register
+ */
+
+#define PCI_CTL_EN		(1 << 0)
+#define PCI_CTL_TNR		(1 << 1)
+#define PCI_CTL_SCE		(1 << 2)
+#define PCI_CTL_IEN		(1 << 3)
+#define PCI_CTL_AAA		(1 << 4)
+#define PCI_CTL_EAP		(1 << 5)
+#define PCI_CTL_PCIM_BIT	6
+#define PCI_CTL_PCIM		0x000001c0
+
+#define PCI_CTL_PCIM_DIS	0
+#define PCI_CTL_PCIM_TNR	1 /* Satellite - target not ready */
+#define PCI_CTL_PCIM_SUS	2 /* Satellite - suspended CPU. */
+#define PCI_CTL_PCIM_EXT	3 /* Host - external arbiter. */
+#define PCI_CTL PCIM_PRIO	4 /* Host - fixed priority arb. */
+#define PCI_CTL_PCIM_RR		5 /* Host - round robin priority. */
+#define PCI_CTL_PCIM_RSVD6	6
+#define PCI_CTL_PCIM_RSVD7	7
+
+#define PCI_CTL_IGM		(1 << 9)
+
+/*
+ * PCI Status Register
+ */
+
+#define PCI_STAT_EED		(1 << 0)
+#define PCI_STAT_WR		(1 << 1)
+#define PCI_STAT_NMI		(1 << 2)
+#define PCI_STAT_II		(1 << 3)
+#define PCI_STAT_CWE		(1 << 4)
+#define PCI_STAT_CRE		(1 << 5)
+#define PCI_STAT_MDPE		(1 << 6)
+#define PCI_STAT_STA		(1 << 7)
+#define PCI_STAT_RTA		(1 << 8)
+#define PCI_STAT_RMA		(1 << 9)
+#define PCI_STAT_SSE		(1 << 10)
+#define PCI_STAT_OSE		(1 << 11)
+#define PCI_STAT_PE		(1 << 12)
+#define PCI_STAT_TAE		(1 << 13)
+#define PCI_STAT_RLE		(1 << 14)
+#define PCI_STAT_BME		(1 << 15)
+#define PCI_STAT_PRD		(1 << 16)
+#define PCI_STAT_RIP		(1 << 17)
+
+/*
+ * PCI Status Mask Register
+ */
+
+#define PCI_STATM_EED		PCI_STAT_EED
+#define PCI_STATM_WR		PCI_STAT_WR
+#define PCI_STATM_NMI		PCI_STAT_NMI
+#define PCI_STATM_II		PCI_STAT_II
+#define PCI_STATM_CWE		PCI_STAT_CWE
+#define PCI_STATM_CRE		PCI_STAT_CRE
+#define PCI_STATM_MDPE		PCI_STAT_MDPE
+#define PCI_STATM_STA		PCI_STAT_STA
+#define PCI_STATM_RTA		PCI_STAT_RTA
+#define PCI_STATM_RMA		PCI_STAT_RMA
+#define PCI_STATM_SSE		PCI_STAT_SSE
+#define PCI_STATM_OSE		PCI_STAT_OSE
+#define PCI_STATM_PE		PCI_STAT_PE
+#define PCI_STATM_TAE		PCI_STAT_TAE
+#define PCI_STATM_RLE		PCI_STAT_RLE
+#define PCI_STATM_BME		PCI_STAT_BME
+#define PCI_STATM_PRD		PCI_STAT_PRD
+#define PCI_STATM_RIP		PCI_STAT_RIP
+
+/*
+ * PCI Configuration Address Register
+ */
+#define PCI_CFGA_REG_BIT	2
+#define PCI_CFGA_REG		0x000000fc
+#define	 PCI_CFGA_REG_ID	(0x00 >> 2)	/* use PCFGID */
+#define	 PCI_CFGA_REG_04	(0x04 >> 2)	/* use PCFG04_ */
+#define	 PCI_CFGA_REG_08	(0x08 >> 2)	/* use PCFG08_ */
+#define	 PCI_CFGA_REG_0C	(0x0C >> 2)	/* use PCFG0C_ */
+#define	 PCI_CFGA_REG_PBA0	(0x10 >> 2)	/* use PCIPBA_ */
+#define	 PCI_CFGA_REG_PBA1	(0x14 >> 2)	/* use PCIPBA_ */
+#define	 PCI_CFGA_REG_PBA2	(0x18 >> 2)	/* use PCIPBA_ */
+#define	 PCI_CFGA_REG_PBA3	(0x1c >> 2)	/* use PCIPBA_ */
+#define	 PCI_CFGA_REG_SUBSYS	(0x2c >> 2)	/* use PCFGSS_ */
+#define  PCI_CFGA_REG_3C	(0x3C >> 2)	/* use PCFG3C_ */
+#define	 PCI_CFGA_REG_PBBA0C	(0x44 >> 2)	/* use PCIPBAC_ */
+#define  PCI_CFGA_REG_PBA0M	(0x48 >> 2)
+#define	 PCI_CFGA_REG_PBA1C	(0x4c >> 2)	/* use PCIPBAC_ */
+#define  PCI_CFGA_REG_PBA1M	(0x50 >> 2)
+#define	 PCI_CFGA_REG_PBA2C	(0x54 >> 2)	/* use PCIPBAC_ */
+#define	 PCI_CFGA_REG_PBA2M	(0x58 >> 2)
+#define	 PCI_CFGA_REG_PBA3C	(0x5c >> 2)	/* use PCIPBAC_ */
+#define	 PCI_CFGA_REG_PBA3M	(0x60 >> 2)
+#define	 PCI_CFGA_REG_PMGT	(0x64 >> 2)
+#define PCI_CFGA_FUNC_BIT	8
+#define PCI_CFGA_FUNC		0x00000700
+#define PCI_CFGA_DEV_BIT	11
+#define	PCI_CFGA_DEV		0x0000f800
+#define	PCI_CFGA_DEV_INTERN	0
+#define	PCI_CFGA_BUS_BIT	16
+#define PCI CFGA_BUS		0x00ff0000
+#define PCI_CFGA_BUS_TYPE0	0
+#define PCI_CFGA_EN		(1 << 31)
+
+/* PCI CFG04 commands */
+#define PCI_CFG04_CMD_IO_ENA	(1 << 0)
+#define PCI_CFG04_CMD_MEM_ENA	(1 << 1)
+#define PCI_CFG04_CMD_BM_ENA	(1 << 2)
+#define PCI_CFG04_CMD_MW_INV	(1 << 4)
+#define PCI_CFG04_CMD_PAR_ENA	(1 << 6)
+#define PCI_CFG04_CMD_SER_ENA	(1 << 8)
+#define PCI_CFG04_CMD_FAST_ENA	(1 << 9)
+
+/* PCI CFG04 status fields */
+#define PCI_CFG04_STAT_BIT	16
+#define PCI_CFG04_STAT		0xffff0000
+#define PCI_CFG04_STAT_66_MHZ	(1 << 21)
+#define PCI_CFG04_STAT_FBB	(1 << 23)
+#define PCI_CFG04_STAT_MDPE	(1 << 24)
+#define PCI_CFG04_STAT_DST	(1 << 25)
+#define PCI_CFG04_STAT_STA	(1 << 27)
+#define PCI_CFG04_STAT_RTA	(1 << 28)
+#define PCI_CFG04_STAT_RMA	(1 << 29)
+#define PCI_CFG04_STAT_SSE	(1 << 30)
+#define PCI_CFG04_STAT_PE	(1 << 31)
+
+#define PCI_PBA_MSI		(1 << 0)
+#define PCI_PBA_P		(1 << 2)
+
+/* PCI PBAC registers */
+#define PCI_PBAC_MSI		(1 << 0)
+#define PCI_PBAC_P		(1 << 1)
+#define PCI_PBAC_SIZE_BIT	2
+#define PCI_PBAC_SIZE		0x0000007c
+#define	PCI_PBAC_SB		(1 << 7)
+#define	PCI_PBAC_PP		(1 << 8)
+#define PCI_PBAC_MR_BIT		9
+#define PCI_PBAC_MR		0x00000600
+#define	 PCI_PBAC_MR_RD		0
+#define	 PCI_PBAC_MR_RD_LINE	1
+#define  PCI_PBAC_MR_RD_MULT	2
+#define PCI_PBAC_MRL		(1 << 11)
+#define PCI_PBAC_MRM		(1 << 12)
+#define PCI_PBAC_TRP		(1 << 13)
+
+#define PCI_CFG40_TRDY_TIM	0x000000ff
+#define PCI_CFG40_RET_LIM	0x0000ff00
+
+/*
+ * PCI Local Base Address [0|1|2|3] Register
+ */
+
+#define PCI_LBA_BADDR_BIT	0
+#define PCI_LBA_BADDR		0xffffff00
+
+/*
+ * PCI Local Base Address Control Register
+ */
+
+#define PCI_LBAC_MSI		(1 << 0)
+#define  PCI_LBAC_MSI_MEM	0
+#define  PCI_LBAC_MSI_IO	1
+#define PCI_LBAC_SIZE_BIT	2
+#define PCI_LBAC_SIZE		0x0000007c
+#define PCI_LBAC_SB		(1 << 7)
+#define PCI_LBAC_RT		(1 << 8)
+#define  PCI_LBAC_RT_NO_PREF	0
+#define  PCI_LBAC_RT_PREF	1
+
+/*
+ * PCI Local Base Address [0|1|2|3] Mapping Register
+ */
+#define PCI_LBAM_MADDR_BIT	8
+#define PCI_LBAM_MADDR		0xffffff00
+
+/*
+ * PCI Decoupled Access Control Register
+ */
+#define PCI_DAC_DEN		(1 << 0)
+
+/*
+ * PCI Decoupled Access Status Register
+ */
+#define PCI_DAS_D		(1 << 0)
+#define PCI_DAS_B		(1 << 1)
+#define PCI_DAS_E		(1 << 2)
+#define PCI_DAS_OFE		(1 << 3)
+#define PCI_DAS_OFF		(1 << 4)
+#define PCI_DAS_IFE		(1 << 5)
+#define PCI_DAS_IFF		(1 << 6)
+
+/*
+ * PCI DMA Channel 8 Configuration Register
+ */
+#define PCI_DMA8C_MBS_BIT	0
+#define PCI_DMA8C_MBS		0x00000fff /* Maximum Burst Size. */
+#define PCI_DMA8C_OUR		(1 << 12)
+
+/*
+ * PCI DMA Channel 9 Configuration Register
+ */
+#define PCI_DMA9C_MBS_BIT	0	/* Maximum Burst Size. */
+#define PCI_DMA9C_MBS		0x00000fff
+
+/*
+ * PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors
+ */
+
+#define PCI_DMAD_PT_BIT		22		/* in DEVCMD field (descriptor) */
+#define PCI_DMAD_PT		0x00c00000	/* preferred transaction field */
+/* These are for reads (DMA channel 8) */
+#define PCI_DMAD_DEVCMD_MR	0		/* memory read */
+#define	PCI_DMAD_DEVCMD_MRL	1		/* memory read line */
+#define	PCI_DMAD_DEVCMD_MRM	2		/* memory read multiple */
+#define	PCI_DMAD_DEVCMD_IOR	3		/* I/O read */
+/* These are for writes (DMA channel 9) */
+#define PCI_DMAD_DEVCMD_MW	0		/* memory write */
+#define	PCI_DMAD_DEVCMD_MWI	1		/* memory write invalidate */
+#define	PCI_DMAD_DEVCMD_IOW	3		/* I/O write */
+
+/* Swap byte field applies to both DMA channel 8 and 9 */
+#define	PCI_DMAD_SB		(1 << 24)	/* swap byte field */
+
+
+/*
+ * PCI Target Control Register
+ */
+
+#define PCI_TC_RTIMER_BIT	0
+#define PCI_TC_RTIMER		0x000000ff
+#define PCI_TC_DTIMER_BIT	8
+#define PCI_TC_DTIMER		0x0000ff00
+#define PCI_TC_RDR		(1 << 18)
+#define PCI_TC_DDT		(1 << 19)
+
+/*
+ * PCI messaging unit [applies to both inbound and outbound registers ]
+ */
+#define PCI_MSU_M0		(1 << 0)
+#define PCI_MSU_M1		(1 << 1)
+#define PCI_MSU_DB		(1 << 2)
+
+#define PCI_MSG_ADDR	     	0xB8088010
+#define PCI0_ADDR		0xB8080000
+#define rc32434_pci ((struct pci_reg *) PCI0_ADDR)
+#define rc32434_pci_msg ((struct pci_msu *) PCI_MSG_ADDR)
+
+#define PCIM_SHFT		0x6
+#define PCIM_BIT_LEN		0x7
+#define PCIM_H_EA		0x3
+#define PCIM_H_IA_FIX		0x4
+#define PCIM_H_IA_RR		0x5
+#if 0
+#define PCI_ADDR_START		0x13000000
+#endif
+
+#define PCI_ADDR_START		0x50000000
+
+#define CPUTOPCI_MEM_WIN	0x02000000
+#define CPUTOPCI_IO_WIN		0x00100000
+#define PCILBA_SIZE_SHFT	2
+#define PCILBA_SIZE_MASK	0x1F
+#define SIZE_256MB		0x1C
+#define SIZE_128MB		0x1B
+#define SIZE_64MB               0x1A
+#define SIZE_32MB		0x19
+#define SIZE_16MB               0x18
+#define SIZE_4MB		0x16
+#define SIZE_2MB		0x15
+#define SIZE_1MB		0x14
+#define KORINA_CONFIG0_ADDR	0x80000000
+#define KORINA_CONFIG1_ADDR	0x80000004
+#define KORINA_CONFIG2_ADDR	0x80000008
+#define KORINA_CONFIG3_ADDR	0x8000000C
+#define KORINA_CONFIG4_ADDR	0x80000010
+#define KORINA_CONFIG5_ADDR	0x80000014
+#define KORINA_CONFIG6_ADDR	0x80000018
+#define KORINA_CONFIG7_ADDR	0x8000001C
+#define KORINA_CONFIG8_ADDR	0x80000020
+#define KORINA_CONFIG9_ADDR	0x80000024
+#define KORINA_CONFIG10_ADDR	0x80000028
+#define KORINA_CONFIG11_ADDR	0x8000002C
+#define KORINA_CONFIG12_ADDR	0x80000030
+#define KORINA_CONFIG13_ADDR	0x80000034
+#define KORINA_CONFIG14_ADDR	0x80000038
+#define KORINA_CONFIG15_ADDR	0x8000003C
+#define KORINA_CONFIG16_ADDR	0x80000040
+#define KORINA_CONFIG17_ADDR	0x80000044
+#define KORINA_CONFIG18_ADDR	0x80000048
+#define KORINA_CONFIG19_ADDR	0x8000004C
+#define KORINA_CONFIG20_ADDR	0x80000050
+#define KORINA_CONFIG21_ADDR	0x80000054
+#define KORINA_CONFIG22_ADDR	0x80000058
+#define KORINA_CONFIG23_ADDR	0x8000005C
+#define KORINA_CONFIG24_ADDR	0x80000060
+#define KORINA_CONFIG25_ADDR	0x80000064
+#define KORINA_CMD 		(PCI_CFG04_CMD_IO_ENA | \
+				 PCI_CFG04_CMD_MEM_ENA | \
+				 PCI_CFG04_CMD_BM_ENA | \
+				 PCI_CFG04_CMD_MW_INV | \
+				 PCI_CFG04_CMD_PAR_ENA | \
+				 PCI_CFG04_CMD_SER_ENA)
+
+#define KORINA_STAT		(PCI_CFG04_STAT_MDPE | \
+				 PCI_CFG04_STAT_STA | \
+				 PCI_CFG04_STAT_RTA | \
+				 PCI_CFG04_STAT_RMA | \
+				 PCI_CFG04_STAT_SSE | \
+				 PCI_CFG04_STAT_PE)
+
+#define KORINA_CNFG1		((KORINA_STAT<<16)|KORINA_CMD)
+
+#define KORINA_REVID		0
+#define KORINA_CLASS_CODE	0
+#define KORINA_CNFG2		((KORINA_CLASS_CODE<<8) | \
+				  KORINA_REVID)
+
+#define KORINA_CACHE_LINE_SIZE	4
+#define KORINA_MASTER_LAT	0x3c
+#define KORINA_HEADER_TYPE	0
+#define KORINA_BIST		0
+
+#define KORINA_CNFG3 ((KORINA_BIST << 24) | \
+		      (KORINA_HEADER_TYPE<<16) | \
+		      (KORINA_MASTER_LAT<<8) | \
+		      KORINA_CACHE_LINE_SIZE)
+
+#define KORINA_BAR0	0x00000008	/* 128 MB Memory */
+#define KORINA_BAR1	0x18800001	/* 1 MB IO */
+#define KORINA_BAR2	0x18000001	/* 2 MB IO window for Korina
+					   internal Registers */
+#define KORINA_BAR3	0x48000008	/* Spare 128 MB Memory */
+
+#define KORINA_CNFG4	KORINA_BAR0
+#define KORINA_CNFG5    KORINA_BAR1
+#define KORINA_CNFG6 	KORINA_BAR2
+#define KORINA_CNFG7	KORINA_BAR3
+
+#define KORINA_SUBSYS_VENDOR_ID 0x011d
+#define KORINA_SUBSYSTEM_ID	0x0214
+#define KORINA_CNFG8		0
+#define KORINA_CNFG9		0
+#define KORINA_CNFG10		0
+#define KORINA_CNFG11 	((KORINA_SUBSYS_VENDOR_ID<<16) | \
+			  KORINA_SUBSYSTEM_ID)
+#define KORINA_INT_LINE		1
+#define KORINA_INT_PIN		1
+#define KORINA_MIN_GNT		8
+#define KORINA_MAX_LAT		0x38
+#define KORINA_CNFG12		0
+#define KORINA_CNFG13 		0
+#define KORINA_CNFG14		0
+#define KORINA_CNFG15	((KORINA_MAX_LAT<<24) | \
+			 (KORINA_MIN_GNT<<16) | \
+			 (KORINA_INT_PIN<<8)  | \
+			  KORINA_INT_LINE)
+#define	KORINA_RETRY_LIMIT	0x80
+#define KORINA_TRDY_LIMIT	0x80
+#define KORINA_CNFG16 ((KORINA_RETRY_LIMIT<<8) | \
+			KORINA_TRDY_LIMIT)
+#define PCI_PBAxC_R		0x0
+#define PCI_PBAxC_RL		0x1
+#define PCI_PBAxC_RM		0x2
+#define SIZE_SHFT		2
+
+#if defined(__MIPSEB__)
+#define KORINA_PBA0C	(PCI_PBAC_MRL | PCI_PBAC_SB | \
+			  ((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \
+			  PCI_PBAC_PP | \
+			  (SIZE_128MB<<SIZE_SHFT) | \
+			   PCI_PBAC_P)
+#else
+#define KORINA_PBA0C	(PCI_PBAC_MRL | \
+			  ((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \
+			  PCI_PBAC_PP | \
+			  (SIZE_128MB<<SIZE_SHFT) | \
+			   PCI_PBAC_P)
+#endif
+#define KORINA_CNFG17	KORINA_PBA0C
+#define KORINA_PBA0M	0x0
+#define KORINA_CNFG18	KORINA_PBA0M
+
+#if defined(__MIPSEB__)
+#define KORINA_PBA1C	((SIZE_1MB<<SIZE_SHFT) | PCI_PBAC_SB | \
+			  PCI_PBAC_MSI)
+#else
+#define KORINA_PBA1C	((SIZE_1MB<<SIZE_SHFT) | \
+			  PCI_PBAC_MSI)
+#endif
+#define KORINA_CNFG19	KORINA_PBA1C
+#define KORINA_PBA1M	0x0
+#define KORINA_CNFG20	KORINA_PBA1M
+
+#if defined(__MIPSEB__)
+#define KORINA_PBA2C	((SIZE_2MB<<SIZE_SHFT) | PCI_PBAC_SB | \
+			  PCI_PBAC_MSI)
+#else
+#define KORINA_PBA2C	((SIZE_2MB<<SIZE_SHFT) | \
+			  PCI_PBAC_MSI)
+#endif
+#define KORINA_CNFG21	KORINA_PBA2C
+#define KORINA_PBA2M	0x18000000
+#define KORINA_CNFG22	KORINA_PBA2M
+#define KORINA_PBA3C	0
+#define KORINA_CNFG23	KORINA_PBA3C
+#define KORINA_PBA3M	0
+#define KORINA_CNFG24	KORINA_PBA3M
+
+#define	PCITC_DTIMER_VAL	8
+#define PCITC_RTIMER_VAL	0x10
+
+#endif  /* __ASM_RC32434_PCI_H */