openwrt/package/kernel/mac80211/patches/344-0009-brcmfmac-use-bar1-...

59 lines
2.2 KiB
Diff

From: Hante Meuleman <meuleman@broadcom.com>
Date: Wed, 17 Feb 2016 11:26:58 +0100
Subject: [PATCH] brcmfmac: use bar1 window size as provided by pci subsystem
The PCIE bar1 window size is specified by chip. Currently the
ioremap of bar1 was using a define which always matched the size
of bar1, but newer chips can have a different bar1 sizes. With
this patch the ioremap will be called with the by chip provided
window size.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -72,7 +72,6 @@ static struct brcmf_firmware_mapping brc
#define BRCMF_PCIE_FW_UP_TIMEOUT 2000 /* msec */
-#define BRCMF_PCIE_TCM_MAP_SIZE (4096 * 1024)
#define BRCMF_PCIE_REG_MAP_SIZE (32 * 1024)
/* backplane addres space accessed by BAR0 */
@@ -252,7 +251,6 @@ struct brcmf_pciedev_info {
char nvram_name[BRCMF_FW_NAME_LEN];
void __iomem *regs;
void __iomem *tcm;
- u32 tcm_size;
u32 ram_base;
u32 ram_size;
struct brcmf_chip *ci;
@@ -1592,8 +1590,7 @@ static int brcmf_pcie_get_resource(struc
}
devinfo->regs = ioremap_nocache(bar0_addr, BRCMF_PCIE_REG_MAP_SIZE);
- devinfo->tcm = ioremap_nocache(bar1_addr, BRCMF_PCIE_TCM_MAP_SIZE);
- devinfo->tcm_size = BRCMF_PCIE_TCM_MAP_SIZE;
+ devinfo->tcm = ioremap_nocache(bar1_addr, bar1_size);
if (!devinfo->regs || !devinfo->tcm) {
brcmf_err("ioremap() failed (%p,%p)\n", devinfo->regs,
@@ -1602,8 +1599,9 @@ static int brcmf_pcie_get_resource(struc
}
brcmf_dbg(PCIE, "Phys addr : reg space = %p base addr %#016llx\n",
devinfo->regs, (unsigned long long)bar0_addr);
- brcmf_dbg(PCIE, "Phys addr : mem space = %p base addr %#016llx\n",
- devinfo->tcm, (unsigned long long)bar1_addr);
+ brcmf_dbg(PCIE, "Phys addr : mem space = %p base addr %#016llx size 0x%x\n",
+ devinfo->tcm, (unsigned long long)bar1_addr,
+ (unsigned int)bar1_size);
return 0;
}