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Commit 8be08a39 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Kalle Valo
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bcma: implement host code support for PCIe Gen 2 devices 



This is stil incomplete, so we don't add PCI IDs of new devices yet.
Purpose of this patch is to allow testing & adjusting rest of the code.

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent b504075f

drivers/bcma/host_pci.c

+4 −2
Original line number Diff line number Diff line
@@ -13,10 +13,12 @@ 


static void bcma_host_pci_switch_core(struct bcma_device *core)

{

	int win2 = core->bus->host_is_pcie2 ?

		BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;



	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,

			       core->addr);

	pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN2,

			       core->wrap);

	pci_write_config_dword(core->bus->host_pci, win2, core->wrap);

	core->bus->mapped_core = core;

	bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);

}

include/linux/bcma/bcma.h

+1 −0
Original line number Diff line number Diff line
@@ -318,6 +318,7 @@ struct bcma_bus { 
	const struct bcma_host_ops *ops;



	enum bcma_hosttype hosttype;

	bool host_is_pcie2; /* Used for BCMA_HOSTTYPE_PCI only */

	union {

		/* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */

		struct pci_dev *host_pci;

include/linux/bcma/bcma_regs.h

+2 −0
Original line number Diff line number Diff line
@@ -64,6 +64,8 @@ 
#define  BCMA_PCI_GPIO_XTAL		0x40	/* PCI config space GPIO 14 for Xtal powerup */

#define  BCMA_PCI_GPIO_PLL		0x80	/* PCI config space GPIO 15 for PLL powerdown */



#define BCMA_PCIE2_BAR0_WIN2		0x70



/* SiliconBackplane Address Map.

 * All regions may not exist on all chips.

 */