[MIPS] TXx9: Make tx4938-specific code more independent

Make some TX4938 SoC specific code independent from board specific code.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/txx9/generic/setup.c

@@ -220,6 +220,33 @@ void __init txx9_wdt_init(unsigned long base)
 	platform_device_register_simple("txx9wdt", -1, &res, 1);
 }
 
+/* SPI support */
+void __init txx9_spi_init(int busid, unsigned long base, int irq)
+{
+	struct resource res[] = {
+		{
+			.start	= base,
+			.end	= base + 0x20 - 1,
+			.flags	= IORESOURCE_MEM,
+		}, {
+			.start	= irq,
+			.flags	= IORESOURCE_IRQ,
+		},
+	};
+	platform_device_register_simple("spi_txx9", busid,
+					res, ARRAY_SIZE(res));
+}
+
+void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
+{
+	struct platform_device *pdev =
+		platform_device_alloc("tc35815-mac", id);
+	if (!pdev ||
+	    platform_device_add_data(pdev, ethaddr, 6) ||
+	    platform_device_add(pdev))
+		platform_device_put(pdev);
+}
+
 /* wrappers */
 void __init plat_mem_setup(void)
 {

arch/mips/txx9/generic/setup_tx4938.c

@@ -262,3 +262,19 @@ void __init tx4938_setup_serial(void)
 	}
 #endif /* CONFIG_SERIAL_TXX9 */
 }
+
+void __init tx4938_spi_init(int busid)
+{
+	txx9_spi_init(busid, TX4938_SPI_REG & 0xfffffffffULL,
+		      TXX9_IRQ_BASE + TX4938_IR_SPI);
+}
+
+void __init tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1)
+{
+	u64 pcfg = __raw_readq(&tx4938_ccfgptr->pcfg);
+
+	if (addr0 && (pcfg & TX4938_PCFG_ETH0_SEL))
+		txx9_ethaddr_init(TXX9_IRQ_BASE + TX4938_IR_ETH0, addr0);
+	if (addr1 && (pcfg & TX4938_PCFG_ETH1_SEL))
+		txx9_ethaddr_init(TXX9_IRQ_BASE + TX4938_IR_ETH1, addr1);
+}

arch/mips/txx9/rbtx4938/setup.c

@@ -132,19 +132,7 @@ static int __init rbtx4938_ethaddr_init(void)
 		if (sum)
 			printk(KERN_WARNING "seeprom: bad checksum.\n");
 	}
-	for (i = 0; i < 2; i++) {
-		unsigned int id =
-			TXX9_IRQ_BASE + (i ? TX4938_IR_ETH1 : TX4938_IR_ETH0);
-		struct platform_device *pdev;
-		if (!(__raw_readq(&tx4938_ccfgptr->pcfg) &
-		      (i ? TX4938_PCFG_ETH1_SEL : TX4938_PCFG_ETH0_SEL)))
-			continue;
-		pdev = platform_device_alloc("tc35815-mac", id);
-		if (!pdev ||
-		    platform_device_add_data(pdev, &dat[4 + 6 * i], 6) ||
-		    platform_device_add(pdev))
-			platform_device_put(pdev);
-	}
+	tx4938_ethaddr_init(&dat[4], &dat[4 + 6]);
 #endif /* CONFIG_PCI */
 	return 0;
 }
@@ -301,24 +289,6 @@ static struct gpio_chip rbtx4938_spi_gpio_chip = {
 	.ngpio = 3,
 };
 
-/* SPI support */
-
-static void __init txx9_spi_init(unsigned long base, int irq)
-{
-	struct resource res[] = {
-		{
-			.start	= base,
-			.end	= base + 0x20 - 1,
-			.flags	= IORESOURCE_MEM,
-		}, {
-			.start	= irq,
-			.flags	= IORESOURCE_IRQ,
-		},
-	};
-	platform_device_register_simple("spi_txx9", 0,
-					res, ARRAY_SIZE(res));
-}
-
 static int __init rbtx4938_spi_init(void)
 {
 	struct spi_board_info srtc_info = {
@@ -341,7 +311,7 @@ static int __init rbtx4938_spi_init(void)
 	gpio_direction_output(16 + SEEPROM2_CS, 1);
 	gpio_request(16 + SEEPROM3_CS, "seeprom3");
 	gpio_direction_output(16 + SEEPROM3_CS, 1);
-	txx9_spi_init(TX4938_SPI_REG & 0xfffffffffULL, RBTX4938_IRQ_IRC_SPI);
+	tx4938_spi_init(0);
 	return 0;
 }
 

include/asm-mips/txx9/generic.h

@@ -45,5 +45,7 @@ extern int (*txx9_irq_dispatch)(int pending);
 void prom_init_cmdline(void);
 char *prom_getcmdline(void);
 void txx9_wdt_init(unsigned long base);
+void txx9_spi_init(int busid, unsigned long base, int irq);
+void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr);
 
 #endif /* __ASM_TXX9_GENERIC_H */

include/asm-mips/txx9/tx4938.h

@@ -280,6 +280,8 @@ void tx4938_wdt_init(void);
 void tx4938_setup(void);
 void tx4938_time_init(unsigned int tmrnr);
 void tx4938_setup_serial(void);
+void tx4938_spi_init(int busid);
+void tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1);
 int tx4938_report_pciclk(void);
 void tx4938_report_pci1clk(void);
 int tx4938_pciclk66_setup(void);