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authorChris Brand <chris.brand@broadcom.com>2016-05-11 23:36:18 +0200
committerFlorian Fainelli <f.fainelli@gmail.com>2016-06-06 20:47:22 +0200
commit406c8f6c9954da1a521f2cb7efbee730e40b95b9 (patch)
tree4a3b285cd7fb08b63e468137d41abbbe8cfd0bb5 /arch/arm/mach-bcm
parentLinux 4.7-rc1 (diff)
downloadlinux-406c8f6c9954da1a521f2cb7efbee730e40b95b9.tar.xz
linux-406c8f6c9954da1a521f2cb7efbee730e40b95b9.zip
ARM: bcm21664: Remove reset code
The kona reset driver now provides this functionality. Signed-off-by: Chris Brand <chris.brand@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/mach-bcm')
-rw-r--r--arch/arm/mach-bcm/board_bcm21664.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arm/mach-bcm/board_bcm21664.c b/arch/arm/mach-bcm/board_bcm21664.c
index 82ad5687771f..65b3db06e57a 100644
--- a/arch/arm/mach-bcm/board_bcm21664.c
+++ b/arch/arm/mach-bcm/board_bcm21664.c
@@ -11,53 +11,12 @@
* GNU General Public License for more details.
*/
-#include <linux/of_address.h>
#include <linux/of_platform.h>
-#include <linux/io.h>
#include <asm/mach/arch.h>
#include "kona_l2_cache.h"
-#define RSTMGR_DT_STRING "brcm,bcm21664-resetmgr"
-
-#define RSTMGR_REG_WR_ACCESS_OFFSET 0
-#define RSTMGR_REG_CHIP_SOFT_RST_OFFSET 4
-
-#define RSTMGR_WR_PASSWORD 0xa5a5
-#define RSTMGR_WR_PASSWORD_SHIFT 8
-#define RSTMGR_WR_ACCESS_ENABLE 1
-
-static void bcm21664_restart(enum reboot_mode mode, const char *cmd)
-{
- void __iomem *base;
- struct device_node *resetmgr;
-
- resetmgr = of_find_compatible_node(NULL, NULL, RSTMGR_DT_STRING);
- if (!resetmgr) {
- pr_emerg("Couldn't find " RSTMGR_DT_STRING "\n");
- return;
- }
- base = of_iomap(resetmgr, 0);
- if (!base) {
- pr_emerg("Couldn't map " RSTMGR_DT_STRING "\n");
- return;
- }
-
- /*
- * A soft reset is triggered by writing a 0 to bit 0 of the soft reset
- * register. To write to that register we must first write the password
- * and the enable bit in the write access enable register.
- */
- writel((RSTMGR_WR_PASSWORD << RSTMGR_WR_PASSWORD_SHIFT) |
- RSTMGR_WR_ACCESS_ENABLE,
- base + RSTMGR_REG_WR_ACCESS_OFFSET);
- writel(0, base + RSTMGR_REG_CHIP_SOFT_RST_OFFSET);
-
- /* Wait for reset */
- while (1);
-}
-
static void __init bcm21664_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
@@ -71,6 +30,5 @@ static const char * const bcm21664_dt_compat[] = {
DT_MACHINE_START(BCM21664_DT, "BCM21664 Broadcom Application Processor")
.init_machine = bcm21664_init,
- .restart = bcm21664_restart,
.dt_compat = bcm21664_dt_compat,
MACHINE_END