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137 lines
3.6 KiB
Diff
137 lines
3.6 KiB
Diff
--- a/arch/mips/bcm47xx/Kconfig
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+++ b/arch/mips/bcm47xx/Kconfig
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@@ -9,6 +9,7 @@ config BCM47XX_SSB
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select SSB_EMBEDDED
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select SSB_B43_PCI_BRIDGE if PCI
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select SSB_PCICORE_HOSTMODE if PCI
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+ select SSB_SFLASH
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default y
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help
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Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
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@@ -23,6 +24,7 @@ config BCM47XX_BCMA
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select BCMA_DRIVER_MIPS
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select BCMA_HOST_PCI if PCI
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select BCMA_DRIVER_PCI_HOSTMODE if PCI
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+ select BCMA_SFLASH
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default y
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help
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Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -31,10 +31,12 @@
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#include <linux/ssb/ssb.h>
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#include <linux/ssb/ssb_embedded.h>
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#include <linux/bcma/bcma_soc.h>
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+#include <linux/platform_device.h>
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#include <asm/bootinfo.h>
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#include <asm/reboot.h>
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#include <asm/time.h>
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#include <bcm47xx.h>
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+#include <bus.h>
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#include <asm/mach-bcm47xx/nvram.h>
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union bcm47xx_bus bcm47xx_bus;
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@@ -45,6 +47,32 @@ EXPORT_SYMBOL(bcm47xx_bus_type);
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struct bcm47xx_sflash bcm47xx_sflash;
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+static struct resource bcm47xx_pflash_resource = {
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+ .name = "bcm47xx_pflash",
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+ .start = 0,
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+ .end = 0,
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+ .flags = 0,
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+};
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+
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+static struct platform_device bcm47xx_pflash_dev = {
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+ .name = "bcm47xx_pflash",
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+ .resource = &bcm47xx_pflash_resource,
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+ .num_resources = 1,
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+};
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+
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+static struct resource bcm47xx_sflash_resource = {
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+ .name = "bcm47xx_sflash",
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+ .start = 0,
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+ .end = 0,
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+ .flags = 0,
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+};
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+
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+static struct platform_device bcm47xx_sflash_dev = {
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+ .name = "bcm47xx_sflash",
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+ .resource = &bcm47xx_sflash_resource,
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+ .num_resources = 1,
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+};
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+
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static void bcm47xx_machine_restart(char *command)
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{
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printk(KERN_ALERT "Please stand by while rebooting the system...\n");
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@@ -156,6 +184,24 @@ static void __init bcm47xx_register_ssb(
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}
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}
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}
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+
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+static int __init bcm47xx_register_flash_ssb(void)
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+{
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+ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
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+
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+ switch (chipco->flash_type) {
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+ case SSB_PFLASH:
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+ bcm47xx_pflash_resource.start = chipco->pflash.window;
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+ bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
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+ return platform_device_register(&bcm47xx_pflash_dev);
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+ case SSB_SFLASH:
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+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
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+ return platform_device_register(&bcm47xx_sflash_dev);
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+ default:
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+ printk(KERN_ERR "No flash device found\n");
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+ return -1;
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+ }
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+}
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#endif
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#ifdef CONFIG_BCM47XX_BCMA
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@@ -205,6 +251,24 @@ static void __init bcm47xx_register_bcma
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bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
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}
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+
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+static int __init bcm47xx_register_flash_bcma(void)
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+{
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+ struct bcma_drv_cc *drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
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+
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+ switch (drv_cc->flash_type) {
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+ case BCMA_PFLASH:
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+ bcm47xx_pflash_resource.start = drv_cc->pflash.window;
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+ bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
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+ return platform_device_register(&bcm47xx_pflash_dev);
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+ case BCMA_SFLASH:
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+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
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+ return platform_device_register(&bcm47xx_sflash_dev);
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+ default:
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+ printk(KERN_ERR "No flash device found\n");
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+ return -1;
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+ }
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+}
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#endif
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void __init plat_mem_setup(void)
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@@ -247,3 +311,19 @@ static int __init bcm47xx_register_bus_c
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return 0;
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}
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device_initcall(bcm47xx_register_bus_complete);
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+
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+static int __init bcm47xx_register_flash(void)
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+{
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+ switch (bcm47xx_bus_type) {
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+#ifdef CONFIG_BCM47XX_SSB
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+ case BCM47XX_BUS_TYPE_SSB:
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+ return bcm47xx_register_flash_ssb();
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+#endif
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+#ifdef CONFIG_BCM47XX_BCMA
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+ case BCM47XX_BUS_TYPE_BCMA:
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+ return bcm47xx_register_flash_bcma();
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+#endif
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+ }
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+ return -1;
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+}
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+fs_initcall(bcm47xx_register_flash);
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