diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.0/0008-bcma-add-pci-e-host-mode.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.0/0008-bcma-add-pci-e-host-mode.patch | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0008-bcma-add-pci-e-host-mode.patch b/target/linux/brcm47xx/patches-3.0/0008-bcma-add-pci-e-host-mode.patch deleted file mode 100644 index 48c18bb..0000000 --- a/target/linux/brcm47xx/patches-3.0/0008-bcma-add-pci-e-host-mode.patch +++ /dev/null @@ -1,140 +0,0 @@ -From f93062e72447b4a4a51afbe33ea086ce8c922587 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sun, 19 Jun 2011 17:52:09 +0200 -Subject: [PATCH 08/14] bcma: add pci(e) host mode - -This adds some stub for a pci(e) host controller. This controller is -found on some embedded devices to attach other chips. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/bcma/Kconfig | 6 ++++ - drivers/bcma/Makefile | 1 + - drivers/bcma/bcma_private.h | 6 ++++ - drivers/bcma/driver_pci.c | 14 ++++++++++- - drivers/bcma/driver_pci_host.c | 43 ++++++++++++++++++++++++++++++++++ - include/linux/bcma/bcma_driver_pci.h | 1 + - 6 files changed, 70 insertions(+), 1 deletions(-) - create mode 100644 drivers/bcma/driver_pci_host.c - ---- a/drivers/bcma/Kconfig -+++ b/drivers/bcma/Kconfig -@@ -32,6 +32,12 @@ config BCMA_HOST_SOC - depends on BCMA_DRIVER_MIPS - default n - -+config BCMA_DRIVER_PCI_HOSTMODE -+ bool "Hostmode support for BCMA PCI core" -+ depends on BCMA_DRIVER_MIPS -+ help -+ PCIcore hostmode operation (external PCI bus). -+ - config BCMA_DRIVER_MIPS - bool "BCMA Broadcom MIPS core driver" - depends on BCMA && MIPS ---- a/drivers/bcma/Makefile -+++ b/drivers/bcma/Makefile -@@ -1,6 +1,7 @@ - bcma-y += main.o scan.o core.o sprom.o - bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o - bcma-y += driver_pci.o -+bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o - bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o - bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o - bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o ---- a/drivers/bcma/bcma_private.h -+++ b/drivers/bcma/bcma_private.h -@@ -38,6 +38,12 @@ extern int bcma_chipco_serial_init(struc - struct bcma_drv_mips_serial_port *ports); - #endif /* CONFIG_BCMA_DRIVER_MIPS */ - -+#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE -+/* driver_pci_host.c */ -+int bcma_core_pci_in_hostmode(struct bcma_drv_pci *pc); -+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); -+#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ -+ - #ifdef CONFIG_BCMA_HOST_PCI - /* host_pci.c */ - extern int __init bcma_host_pci_init(void); ---- a/drivers/bcma/driver_pci.c -+++ b/drivers/bcma/driver_pci.c -@@ -159,9 +159,21 @@ static void bcma_pcicore_serdes_workarou - - void bcma_core_pci_init(struct bcma_drv_pci *pc) - { -+ struct bcma_device *core = pc->core; -+ - if (pc->setup_done) - return; -- bcma_pcicore_serdes_workaround(pc); -+ -+ if (!bcma_core_is_enabled(core)) -+ bcma_core_enable(core, 0); -+#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE -+ pc->hostmode = bcma_core_pci_in_hostmode(pc); -+ if (pc->hostmode) -+ bcma_core_pci_hostmode_init(pc); -+#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ -+ if (!pc->hostmode) -+ bcma_pcicore_serdes_workaround(pc); -+ - pc->setup_done = true; - } - ---- /dev/null -+++ b/drivers/bcma/driver_pci_host.c -@@ -0,0 +1,43 @@ -+/* -+ * Broadcom specific AMBA -+ * PCI Host mode -+ * -+ * Copyright 2005, Broadcom Corporation -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+ -+#include "bcma_private.h" -+#include <linux/bcma/bcma.h> -+ -+#include <asm/paccess.h> -+/* Probe a 32bit value on the bus and catch bus exceptions. -+ * Returns nonzero on a bus exception. -+ * This is MIPS specific */ -+#define mips_busprobe32(val, addr) get_dbe((val), ((u32 *)(addr))) -+ -+ -+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc) -+{ -+ /* TODO: implement PCI host mode */ -+} -+ -+int bcma_core_pci_in_hostmode(struct bcma_drv_pci *pc) -+{ -+ struct bcma_bus *bus = pc->core->bus; -+ u16 chipid_top; -+ u32 tmp; -+ -+ chipid_top = (bus->chipinfo.id & 0xFF00); -+ if (chipid_top != 0x4700 && -+ chipid_top != 0x5300) -+ return 0; -+ -+/* TODO: add when sprom is available -+ * if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI) -+ * return 0; -+ */ -+ -+ return !mips_busprobe32(tmp, (bus->mmio + (pc->core->core_index * -+ BCMA_CORE_SIZE))); -+} ---- a/include/linux/bcma/bcma_driver_pci.h -+++ b/include/linux/bcma/bcma_driver_pci.h -@@ -78,6 +78,7 @@ struct pci_dev; - struct bcma_drv_pci { - struct bcma_device *core; - u8 setup_done:1; -+ u8 hostmode:1; - }; - - /* Register access */ |