path: root/target/linux/bcm63xx/patches-5.4/207-MIPS-BCM63XX-move-device-registration-code-into-its-.patch

From 5a50cb0d53344a2429831b00925d6183d4d332e1 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 9 Mar 2014 03:54:05 +0100
Subject: [PATCH 40/44] MIPS: BCM63XX: move device registration code into its
 own file

Move device registration code into its own file to allow sharing it
between board implementations.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/boards/Makefile         |   1 +
 arch/mips/bcm63xx/boards/board_bcm963xx.c | 188 +-------------------------
 arch/mips/bcm63xx/boards/board_common.c   | 215 ++++++++++++++++++++++++++++++
 arch/mips/bcm63xx/boards/board_common.h   |   8 ++
 4 files changed, 223 insertions(+), 183 deletions(-)
 create mode 100644 arch/mips/bcm63xx/boards/board_common.c
 create mode 100644 arch/mips/bcm63xx/boards/board_common.h

--- a/arch/mips/bcm63xx/boards/Makefile
+++ b/arch/mips/bcm63xx/boards/Makefile
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0-only
+obj-y					+= board_common.o
 obj-$(CONFIG_BOARD_BCM963XX)		+= board_bcm963xx.o
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -12,33 +12,21 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/platform_device.h>
-#include <linux/ssb/ssb.h>
 #include <asm/addrspace.h>
 #include <bcm63xx_board.h>
 #include <bcm63xx_cpu.h>
-#include <bcm63xx_dev_uart.h>
 #include <bcm63xx_regs.h>
 #include <bcm63xx_io.h>
 #include <bcm63xx_nvram.h>
-#include <bcm63xx_dev_pci.h>
-#include <bcm63xx_dev_enet.h>
-#include <bcm63xx_dev_flash.h>
-#include <bcm63xx_dev_hsspi.h>
-#include <bcm63xx_dev_pcmcia.h>
-#include <bcm63xx_dev_spi.h>
-#include <bcm63xx_dev_usb_ehci.h>
-#include <bcm63xx_dev_usb_ohci.h>
-#include <bcm63xx_dev_usb_usbd.h>
 #include <board_bcm963xx.h>
 
+#include "board_common.h"
+
 #include <uapi/linux/bcm933xx_hcs.h>
 
 
 #define HCS_OFFSET_128K			0x20000
 
-static struct board_info board;
-
 /*
  * known 3368 boards
  */
@@ -695,52 +683,6 @@ static const struct board_info __initcon
 };
 
 /*
- * Register a sane SPROMv2 to make the on-board
- * bcm4318 WLAN work
- */
-#ifdef CONFIG_SSB_PCIHOST
-static struct ssb_sprom bcm63xx_sprom = {
-	.revision		= 0x02,
-	.board_rev		= 0x17,
-	.country_code		= 0x0,
-	.ant_available_bg	= 0x3,
-	.pa0b0			= 0x15ae,
-	.pa0b1			= 0xfa85,
-	.pa0b2			= 0xfe8d,
-	.pa1b0			= 0xffff,
-	.pa1b1			= 0xffff,
-	.pa1b2			= 0xffff,
-	.gpio0			= 0xff,
-	.gpio1			= 0xff,
-	.gpio2			= 0xff,
-	.gpio3			= 0xff,
-	.maxpwr_bg		= 0x004c,
-	.itssi_bg		= 0x00,
-	.boardflags_lo		= 0x2848,
-	.boardflags_hi		= 0x0000,
-};
-
-int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
-{
-	if (bus->bustype == SSB_BUSTYPE_PCI) {
-		memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
-		return 0;
-	} else {
-		pr_err("unable to fill SPROM for given bustype\n");
-		return -EINVAL;
-	}
-}
-#endif
-
-/*
- * return board name for /proc/cpuinfo
- */
-const char *board_get_name(void)
-{
-	return board.name;
-}
-
-/*
  * early init callback, read nvram data from flash and checksum it
  */
 void __init board_prom_init(void)
@@ -785,137 +727,15 @@ void __init board_prom_init(void)
 		if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
 			continue;
 		/* copy, board desc array is marked initdata */
-		memcpy(&board, bcm963xx_boards[i], sizeof(board));
+		board_early_setup(bcm963xx_boards[i]);
 		break;
 	}
 
-	/* bail out if board is not found, will complain later */
-	if (!board.name[0]) {
+	/* warn if board is not found, will complain later */
+	if (i == ARRAY_SIZE(bcm963xx_boards)) {
 		char name[17];
 		memcpy(name, board_name, 16);
 		name[16] = 0;
 		pr_err("unknown bcm963xx board: %s\n", name);
-		return;
-	}
-
-	/* setup pin multiplexing depending on board enabled device,
-	 * this has to be done this early since PCI init is done
-	 * inside arch_initcall */
-	val = 0;
-
-#ifdef CONFIG_PCI
-	if (board.has_pci) {
-		bcm63xx_pci_enabled = 1;
-		if (BCMCPU_IS_6348())
-			val |= GPIO_MODE_6348_G2_PCI;
 	}
-#endif
-
-	if (board.has_pccard) {
-		if (BCMCPU_IS_6348())
-			val |= GPIO_MODE_6348_G1_MII_PCCARD;
-	}
-
-	if (board.has_enet0 && !board.enet0.use_internal_phy) {
-		if (BCMCPU_IS_6348())
-			val |= GPIO_MODE_6348_G3_EXT_MII |
-				GPIO_MODE_6348_G0_EXT_MII;
-	}
-
-	if (board.has_enet1 && !board.enet1.use_internal_phy) {
-		if (BCMCPU_IS_6348())
-			val |= GPIO_MODE_6348_G3_EXT_MII |
-				GPIO_MODE_6348_G0_EXT_MII;
-	}
-
-	bcm_gpio_writel(val, GPIO_MODE_REG);
-}
-
-/*
- * second stage init callback, good time to panic if we couldn't
- * identify on which board we're running since early printk is working
- */
-void __init board_setup(void)
-{
-	if (!board.name[0])
-		panic("unable to detect bcm963xx board");
-	pr_info("board name: %s\n", board.name);
-
-	/* make sure we're running on expected cpu */
-	if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
-		panic("unexpected CPU for bcm963xx board");
-}
-
-static struct gpio_led_platform_data bcm63xx_led_data;
-
-static struct platform_device bcm63xx_gpio_leds = {
-	.name			= "leds-gpio",
-	.id			= 0,
-	.dev.platform_data	= &bcm63xx_led_data,
-};
-
-/*
- * third stage init callback, register all board devices.
- */
-int __init board_register_devices(void)
-{
-	if (board.has_uart0)
-		bcm63xx_uart_register(0);
-
-	if (board.has_uart1)
-		bcm63xx_uart_register(1);
-
-	if (board.has_pccard)
-		bcm63xx_pcmcia_register();
-
-	if (board.has_enet0 &&
-	    !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr))
-		bcm63xx_enet_register(0, &board.enet0);
-
-	if (board.has_enet1 &&
-	    !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr))
-		bcm63xx_enet_register(1, &board.enet1);
-
-	if (board.has_enetsw &&
-	    !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr))
-		bcm63xx_enetsw_register(&board.enetsw);
-
-	if (board.has_usbd)
-		bcm63xx_usbd_register(&board.usbd);
-
-	if (board.has_ehci0)
-		bcm63xx_ehci_register();
-
-	if (board.has_ohci0)
-		bcm63xx_ohci_register();
-
-	/* Generate MAC address for WLAN and register our SPROM,
-	 * do this after registering enet devices
-	 */
-#ifdef CONFIG_SSB_PCIHOST
-	if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) {
-		memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
-		memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
-		if (ssb_arch_register_fallback_sprom(
-				&bcm63xx_get_fallback_sprom) < 0)
-			pr_err("failed to register fallback SPROM\n");
-	}
-#endif
-
-	bcm63xx_spi_register();
-
-	bcm63xx_hsspi_register();
-
-	bcm63xx_flash_register();
-
-	bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
-	bcm63xx_led_data.leds = board.leds;
-
-	platform_device_register(&bcm63xx_gpio_leds);
-
-	if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags)
-		gpio_request_one(board.ephy_reset_gpio,
-				board.ephy_reset_gpio_flags, "ephy-reset");
-
-	return 0;
 }
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/board_common.c
@@ -0,0 +1,214 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/ssb/ssb.h>
+#include <asm/addrspace.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_uart.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_nvram.h>
+#include <bcm63xx_gpio.h>
+#include <bcm63xx_dev_pci.h>
+#include <bcm63xx_dev_enet.h>
+#include <bcm63xx_dev_flash.h>
+#include <bcm63xx_dev_hsspi.h>
+#include <bcm63xx_dev_pcmcia.h>
+#include <bcm63xx_dev_spi.h>
+#include <bcm63xx_dev_usb_ehci.h>
+#include <bcm63xx_dev_usb_ohci.h>
+#include <bcm63xx_dev_usb_usbd.h>
+#include <board_bcm963xx.h>
+
+#define PFX	"board: "
+
+static struct board_info board;
+
+/*
+ * Register a sane SPROMv2 to make the on-board
+ * bcm4318 WLAN work
+ */
+#ifdef CONFIG_SSB_PCIHOST
+static struct ssb_sprom bcm63xx_sprom = {
+	.revision		= 0x02,
+	.board_rev		= 0x17,
+	.country_code		= 0x0,
+	.ant_available_bg	= 0x3,
+	.pa0b0			= 0x15ae,
+	.pa0b1			= 0xfa85,
+	.pa0b2			= 0xfe8d,
+	.pa1b0			= 0xffff,
+	.pa1b1			= 0xffff,
+	.pa1b2			= 0xffff,
+	.gpio0			= 0xff,
+	.gpio1			= 0xff,
+	.gpio2			= 0xff,
+	.gpio3			= 0xff,
+	.maxpwr_bg		= 0x004c,
+	.itssi_bg		= 0x00,
+	.boardflags_lo		= 0x2848,
+	.boardflags_hi		= 0x0000,
+};
+
+int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
+{
+	if (bus->bustype == SSB_BUSTYPE_PCI) {
+		memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
+		return 0;
+	} else {
+		printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
+		return -EINVAL;
+	}
+}
+#endif
+
+/*
+ * return board name for /proc/cpuinfo
+ */
+const char *board_get_name(void)
+{
+	return board.name;
+}
+
+/*
+ * setup board for device registration
+ */
+void __init board_early_setup(const struct board_info *target)
+{
+	u32 val;
+
+	memcpy(&board, target, sizeof(board));
+
+	/* setup pin multiplexing depending on board enabled device,
+	 * this has to be done this early since PCI init is done
+	 * inside arch_initcall */
+	val = 0;
+
+#ifdef CONFIG_PCI
+	if (board.has_pci) {
+		bcm63xx_pci_enabled = 1;
+		if (BCMCPU_IS_6348())
+			val |= GPIO_MODE_6348_G2_PCI;
+	}
+#endif
+
+	if (board.has_pccard) {
+		if (BCMCPU_IS_6348())
+			val |= GPIO_MODE_6348_G1_MII_PCCARD;
+	}
+
+	if (board.has_enet0 && !board.enet0.use_internal_phy) {
+		if (BCMCPU_IS_6348())
+			val |= GPIO_MODE_6348_G3_EXT_MII |
+				GPIO_MODE_6348_G0_EXT_MII;
+	}
+
+	if (board.has_enet1 && !board.enet1.use_internal_phy) {
+		if (BCMCPU_IS_6348())
+			val |= GPIO_MODE_6348_G3_EXT_MII |
+				GPIO_MODE_6348_G0_EXT_MII;
+	}
+
+	bcm_gpio_writel(val, GPIO_MODE_REG);
+}
+
+
+/*
+ * second stage init callback, good time to panic if we couldn't
+ * identify on which board we're running since early printk is working
+ */
+void __init board_setup(void)
+{
+	if (!board.name[0])
+		panic("unable to detect bcm963xx board");
+	printk(KERN_INFO PFX "board name: %s\n", board.name);
+
+	/* make sure we're running on expected cpu */
+	if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
+		panic("unexpected CPU for bcm963xx board");
+}
+
+static struct gpio_led_platform_data bcm63xx_led_data;
+
+static struct platform_device bcm63xx_gpio_leds = {
+	.name			= "leds-gpio",
+	.id			= 0,
+	.dev.platform_data	= &bcm63xx_led_data,
+};
+
+/*
+ * third stage init callback, register all board devices.
+ */
+int __init board_register_devices(void)
+{
+	if (board.has_uart0)
+		bcm63xx_uart_register(0);
+
+	if (board.has_uart1)
+		bcm63xx_uart_register(1);
+
+	if (board.has_pccard)
+		bcm63xx_pcmcia_register();
+
+	if (board.has_enet0 &&
+	    !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr))
+		bcm63xx_enet_register(0, &board.enet0);
+
+	if (board.has_enet1 &&
+	    !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr))
+		bcm63xx_enet_register(1, &board.enet1);
+
+	if (board.has_enetsw &&
+	    !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr))
+		bcm63xx_enetsw_register(&board.enetsw);
+
+	if (board.has_usbd)
+		bcm63xx_usbd_register(&board.usbd);
+
+	if (board.has_ehci0)
+		bcm63xx_ehci_register();
+
+	if (board.has_ohci0)
+		bcm63xx_ohci_register();
+
+	/* Generate MAC address for WLAN and register our SPROM,
+	 * do this after registering enet devices
+	 */
+#ifdef CONFIG_SSB_PCIHOST
+	if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) {
+		memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
+		memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
+		if (ssb_arch_register_fallback_sprom(
+				&bcm63xx_get_fallback_sprom) < 0)
+			pr_err(PFX "failed to register fallback SPROM\n");
+	}
+#endif
+
+	bcm63xx_spi_register();
+
+	bcm63xx_hsspi_register();
+
+	bcm63xx_flash_register();
+
+	bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
+	bcm63xx_led_data.leds = board.leds;
+
+	platform_device_register(&bcm63xx_gpio_leds);
+
+	if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags)
+		gpio_request_one(board.ephy_reset_gpio,
+				board.ephy_reset_gpio_flags, "ephy-reset");
+
+	return 0;
+}
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/board_common.h
@@ -0,0 +1,8 @@
+#ifndef __BOARD_COMMON_H
+#define __BOARD_COMMON_H
+
+#include <board_bcm963xx.h>
+
+void board_early_setup(const struct board_info *board);
+
+#endif /* __BOARD_COMMON_H */