[MIPS] TXx9: Add 64-bit support

SYS_SUPPORTS_64BIT_KERNEL is enabled for RBTX4927/RBTX4938, but
actually it was broken for long time (or from the beginning).  Now it
should work.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

5 files changed, 70 insertions, 36 deletions

diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h
index d8756660523..cbae37ec3d8 100644
--- a/include/asm-mips/txx9/generic.h
+++ b/include/asm-mips/txx9/generic.h
@@ -12,6 +12,8 @@
 #include <linux/ioport.h>	/* for struct resource */
 
 extern struct resource txx9_ce_res[];
+#define TXX9_CE(n)	(unsigned long)(txx9_ce_res[(n)].start)
+extern unsigned int txx9_pcode;
 extern char txx9_pcode_str[8];
 void txx9_reg_res_init(unsigned int pcode, unsigned long base,
 		       unsigned long size);
@@ -19,6 +21,11 @@ void txx9_reg_res_init(unsigned int pcode, unsigned long base,
 extern unsigned int txx9_master_clock;
 extern unsigned int txx9_cpu_clock;
 extern unsigned int txx9_gbus_clock;
+#define TXX9_IMCLK	(txx9_gbus_clock / 2)
+
+extern int txx9_ccfg_toeon;
+struct uart_port;
+int early_serial_txx9_setup(struct uart_port *port);
 
 struct pci_dev;
 struct txx9_board_vec {
diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h
index bf194589216..6fcec912c14 100644
--- a/include/asm-mips/txx9/rbtx4927.h
+++ b/include/asm-mips/txx9/rbtx4927.h
@@ -34,7 +34,23 @@
 #define RBTX4927_PCIIO		0x16000000
 #define RBTX4927_PCIIO_SIZE	0x01000000
 
-#define rbtx4927_pcireset_addr	((__u8 __iomem *)0xbc00f006UL)
+#define RBTX4927_IMASK_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002000)
+#define RBTX4927_IMSTAT_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002006)
+#define RBTX4927_SOFTRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000f000)
+#define RBTX4927_SOFTRESETLOCK_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000f002)
+#define RBTX4927_PCIRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000f006)
+#define RBTX4927_BRAMRTC_BASE	(IO_BASE + TXX9_CE(2) + 0x00010000)
+#define RBTX4927_ETHER_BASE	(IO_BASE + TXX9_CE(2) + 0x00020000)
+
+/* Ethernet port address */
+#define RBTX4927_ETHER_ADDR	(RBTX4927_ETHER_BASE + 0x280)
+
+#define rbtx4927_imask_addr	((__u8 __iomem *)RBTX4927_IMASK_ADDR)
+#define rbtx4927_imstat_addr	((__u8 __iomem *)RBTX4927_IMSTAT_ADDR)
+#define rbtx4927_softreset_addr	((__u8 __iomem *)RBTX4927_SOFTRESET_ADDR)
+#define rbtx4927_softresetlock_addr	\
+				((__u8 __iomem *)RBTX4927_SOFTRESETLOCK_ADDR)
+#define rbtx4927_pcireset_addr	((__u8 __iomem *)RBTX4927_PCIRESET_ADDR)
 
 /* bits for ISTAT/IMASK/IMSTAT */
 #define RBTX4927_INTB_PCID	0
@@ -62,13 +78,7 @@
 #define RBTX4927_ISA_IO_OFFSET 0
 #endif
 
-#define RBTX4927_SW_RESET_DO         (void __iomem *)0xbc00f000UL
-#define RBTX4927_SW_RESET_DO_SET                0x01
-
-#define RBTX4927_SW_RESET_ENABLE     (void __iomem *)0xbc00f002UL
-#define RBTX4927_SW_RESET_ENABLE_SET            0x01
-
-#define RBTX4927_RTL_8019_BASE (0x1c020280 - RBTX4927_ISA_IO_OFFSET)
+#define RBTX4927_RTL_8019_BASE (RBTX4927_ETHER_ADDR - mips_io_port_base)
 #define RBTX4927_RTL_8019_IRQ  (TXX9_IRQ_BASE + TX4927_IR_INT(3))
 
 void rbtx4927_prom_init(void);
diff --git a/include/asm-mips/txx9/rbtx4938.h b/include/asm-mips/txx9/rbtx4938.h
index 2f5d5e705a4..9f0441a2812 100644
--- a/include/asm-mips/txx9/rbtx4938.h
+++ b/include/asm-mips/txx9/rbtx4938.h
@@ -15,35 +15,31 @@
 #include <asm/txx9irq.h>
 #include <asm/txx9/tx4938.h>
 
-/* CS */
-#define RBTX4938_CE0	0x1c000000	/* 64M */
-#define RBTX4938_CE2	0x17f00000	/* 1M */
-
 /* Address map */
-#define RBTX4938_FPGA_REG_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000000)
-#define RBTX4938_FPGA_REV_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000002)
-#define RBTX4938_CONFIG1_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000004)
-#define RBTX4938_CONFIG2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000006)
-#define RBTX4938_CONFIG3_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00000008)
-#define RBTX4938_LED_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001000)
-#define RBTX4938_DIPSW_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001002)
-#define RBTX4938_BDIPSW_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00001004)
-#define RBTX4938_IMASK_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002000)
-#define RBTX4938_IMASK2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002002)
-#define RBTX4938_INTPOL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002004)
-#define RBTX4938_ISTAT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002006)
-#define RBTX4938_ISTAT2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00002008)
-#define RBTX4938_IMSTAT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000200a)
-#define RBTX4938_IMSTAT2_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000200c)
-#define RBTX4938_SOFTINT_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00003000)
-#define RBTX4938_PIOSEL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005000)
-#define RBTX4938_SPICS_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005002)
-#define RBTX4938_SFPWR_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00005008)
-#define RBTX4938_SFVOL_ADDR	(KSEG1 + RBTX4938_CE2 + 0x0000500a)
-#define RBTX4938_SOFTRESET_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007000)
-#define RBTX4938_SOFTRESETLOCK_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007002)
-#define RBTX4938_PCIRESET_ADDR	(KSEG1 + RBTX4938_CE2 + 0x00007004)
-#define RBTX4938_ETHER_BASE	(KSEG1 + RBTX4938_CE2 + 0x00020000)
+#define RBTX4938_FPGA_REG_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000000)
+#define RBTX4938_FPGA_REV_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000002)
+#define RBTX4938_CONFIG1_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000004)
+#define RBTX4938_CONFIG2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000006)
+#define RBTX4938_CONFIG3_ADDR	(IO_BASE + TXX9_CE(2) + 0x00000008)
+#define RBTX4938_LED_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001000)
+#define RBTX4938_DIPSW_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001002)
+#define RBTX4938_BDIPSW_ADDR	(IO_BASE + TXX9_CE(2) + 0x00001004)
+#define RBTX4938_IMASK_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002000)
+#define RBTX4938_IMASK2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002002)
+#define RBTX4938_INTPOL_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002004)
+#define RBTX4938_ISTAT_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002006)
+#define RBTX4938_ISTAT2_ADDR	(IO_BASE + TXX9_CE(2) + 0x00002008)
+#define RBTX4938_IMSTAT_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000200a)
+#define RBTX4938_IMSTAT2_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000200c)
+#define RBTX4938_SOFTINT_ADDR	(IO_BASE + TXX9_CE(2) + 0x00003000)
+#define RBTX4938_PIOSEL_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005000)
+#define RBTX4938_SPICS_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005002)
+#define RBTX4938_SFPWR_ADDR	(IO_BASE + TXX9_CE(2) + 0x00005008)
+#define RBTX4938_SFVOL_ADDR	(IO_BASE + TXX9_CE(2) + 0x0000500a)
+#define RBTX4938_SOFTRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007000)
+#define RBTX4938_SOFTRESETLOCK_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007002)
+#define RBTX4938_PCIRESET_ADDR	(IO_BASE + TXX9_CE(2) + 0x00007004)
+#define RBTX4938_ETHER_BASE	(IO_BASE + TXX9_CE(2) + 0x00020000)
 
 /* Ethernet port address (Jumperless Mode (W12:Open)) */
 #define RBTX4938_ETHER_ADDR	(RBTX4938_ETHER_BASE + 0x280)
diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h
index c9212155f68..ceb4b79ff4e 100644
--- a/include/asm-mips/txx9/tx4927.h
+++ b/include/asm-mips/txx9/tx4927.h
@@ -46,15 +46,22 @@
 #define TX4927_IRC_REG		(TX4927_REG_BASE + 0xf600)
 #define TX4927_NR_TMR	3
 #define TX4927_TMR_REG(ch)	(TX4927_REG_BASE + 0xf000 + (ch) * 0x100)
+#define TX4927_NR_SIO	2
+#define TX4927_SIO_REG(ch)	(TX4927_REG_BASE + 0xf300 + (ch) * 0x100)
+#define TX4927_PIO_REG		(TX4927_REG_BASE + 0xf500)
 
 #define TX4927_IR_INT(n)	(2 + (n))
 #define TX4927_IR_SIO(n)	(8 + (n))
 #define TX4927_IR_PCIC		16
+#define TX4927_NUM_IR_TMR	3
+#define TX4927_IR_TMR(n)	(17 + (n))
 #define TX4927_IR_PCIERR	22
 #define TX4927_NUM_IR	32
 
 #define TX4927_IRC_INT	2	/* IP[2] in Status register */
 
+#define TX4927_NUM_PIO	16
+
 struct tx4927_sdramc_reg {
 	u64 cr[4];
 	u64 unused0[4];
@@ -175,6 +182,10 @@ struct tx4927_ccfg_reg {
 		((struct tx4927_ccfg_reg __iomem *)TX4927_CCFG_REG)
 #define tx4927_ebuscptr \
 		((struct tx4927_ebusc_reg __iomem *)TX4927_EBUSC_REG)
+#define tx4927_pioptr		((struct txx9_pio_reg __iomem *)TX4927_PIO_REG)
+
+#define TX4927_REV_PCODE()	\
+	((__u32)__raw_readq(&tx4927_ccfgptr->crir) >> 16)
 
 #define TX4927_SDRAMC_CR(ch)	__raw_readq(&tx4927_sdramcptr->cr[(ch)])
 #define TX4927_SDRAMC_BA(ch)	((TX4927_SDRAMC_CR(ch) >> 49) << 21)
@@ -232,6 +243,10 @@ static inline void tx4927_ccfg_change(__u64 change, __u64 new)
 }
 
 unsigned int tx4927_get_mem_size(void);
+void tx4927_wdr_init(void);
+void tx4927_setup(void);
+void tx4927_time_init(unsigned int tmrnr);
+void tx4927_setup_serial(void);
 int tx4927_report_pciclk(void);
 int tx4927_pciclk66_setup(void);
 void tx4927_irq_init(void);
diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h
index 6690246a114..1ed969d381d 100644
--- a/include/asm-mips/txx9/tx4938.h
+++ b/include/asm-mips/txx9/tx4938.h
@@ -90,6 +90,8 @@ struct tx4938_ccfg_reg {
 
 #define TX4938_IRC_INT	2	/* IP[2] in Status register */
 
+#define TX4938_NUM_PIO	16
+
 /*
  * CCFG
  */
@@ -274,6 +276,10 @@ struct tx4938_ccfg_reg {
 #define TX4938_EBUSC_SIZE(ch)	TX4927_EBUSC_SIZE(ch)
 
 #define tx4938_get_mem_size() tx4927_get_mem_size()
+void tx4938_wdr_init(void);
+void tx4938_setup(void);
+void tx4938_time_init(unsigned int tmrnr);
+void tx4938_setup_serial(void);
 int tx4938_report_pciclk(void);
 void tx4938_report_pci1clk(void);
 int tx4938_pciclk66_setup(void);