Openwrt/target/linux/brcm47xx/patches-3.2/052-bcma-complete-workaround-for-BCMA43224.patch
Hauke Mehrtens 7fee567dc0 brcm47xx: move and rename the patches
The patches are now grouped by the part what they are doing and are using three digest numbers.

This does not remove or adds anything

SVN-Revision: 30942
2012-03-14 21:48:23 +00:00

53 lines
2.2 KiB
Diff

From efe89df0326b777563d197b8cf1c25209a31ceb0 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 21 Jan 2012 18:47:42 +0100
Subject: [PATCH 32/34] bcma: complete workaround for BCMA43224
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/bcma/driver_chipcommon_pmu.c | 15 +++++++++++----
include/linux/bcma/bcma_driver_chipcommon.h | 5 +++++
2 files changed, 16 insertions(+), 4 deletions(-)
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -141,12 +141,19 @@ void bcma_pmu_workarounds(struct bcma_dr
/* BCM4331 workaround is SPROM-related, we put it in sprom.c */
break;
case 43224:
+ case 43421:
+ /* enable 12 mA drive strenth for 43224 and set chipControl register bit 15 */
if (bus->chipinfo.rev == 0) {
- pr_err("Workarounds for 43224 rev 0 not fully "
- "implemented\n");
- bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x00F000F0);
+ bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
+ BCMA_CCTRL_43224_GPIO_TOGGLE,
+ BCMA_CCTRL_43224_GPIO_TOGGLE);
+ bcma_chipco_chipctl_maskset(cc, 0,
+ BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
+ BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
} else {
- bcma_chipco_chipctl_maskset(cc, 0, ~0, 0xF0);
+ bcma_chipco_chipctl_maskset(cc, 0,
+ BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
+ BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
}
break;
case 43225:
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -374,6 +374,11 @@
#define BCMA_CHIPCTL_4331_BT_SHD0_ON_GPIO4 BIT(16) /* enable bt_shd0 at gpio4 */
#define BCMA_CHIPCTL_4331_BT_SHD1_ON_GPIO5 BIT(17) /* enable bt_shd1 at gpio5 */
+/* 43224 chip-specific ChipControl register bits */
+#define BCMA_CCTRL_43224_GPIO_TOGGLE 0x8000 /* gpio[3:0] pins as btcoex or s/w gpio */
+#define BCMA_CCTRL_43224A0_12MA_LED_DRIVE 0x00F000F0 /* 12 mA drive strength */
+#define BCMA_CCTRL_43224B0_12MA_LED_DRIVE 0xF0 /* 12 mA drive strength for later 43224s */
+
#define BCMA_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */
#define BCMA_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */
#define BCMA_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */