[PATCH v8 15/16] MIPS: lantiq: remove old USB PHY initialisation

Hauke Mehrtens
2017-08-02T23:00:01Z

This is now done in a PHY driver.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/lantiq/xway/reset.c | 43 -------------------------------------------
1 file changed, 43 deletions(-)

diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
index be5fd29de523..04cd9a7c04a3 100644
--- a/arch/mips/lantiq/xway/reset.c
+++ b/arch/mips/lantiq/xway/reset.c
@@ -114,45 +114,6 @@ static void ltq_machine_power_off(void)
unreachable();
}

-static void ltq_usb_init(void)
-{
- /* Power for USB cores 1 & 2 */
- ltq_pmu_enable(PMU_AHBM);
- ltq_pmu_enable(PMU_USB0);
- ltq_pmu_enable(PMU_USB1);
-
- ltq_rcu_w32(ltq_rcu_r32(RCU_CFG1A) | BIT(0), RCU_CFG1A);
- ltq_rcu_w32(ltq_rcu_r32(RCU_CFG1B) | BIT(0), RCU_CFG1B);
-
- /* Enable USB PHY power for cores 1 & 2 */
- ltq_pmu_enable(PMU_USB0_P);
- ltq_pmu_enable(PMU_USB1_P);
-
- /* Configure cores to host mode */
- ltq_rcu_w32(ltq_rcu_r32(RCU_USB1CFG) & ~RCU_USBCFG_HDSEL_BIT,
- RCU_USB1CFG);
- ltq_rcu_w32(ltq_rcu_r32(RCU_USB2CFG) & ~RCU_USBCFG_HDSEL_BIT,
- RCU_USB2CFG);
-
- /* Select DMA endianness (Host-endian: big-endian) */
- ltq_rcu_w32((ltq_rcu_r32(RCU_USB1CFG) & ~RCU_USBCFG_SLV_END_BIT)
- | RCU_USBCFG_HOST_END_BIT, RCU_USB1CFG);
- ltq_rcu_w32(ltq_rcu_r32((RCU_USB2CFG) & ~RCU_USBCFG_SLV_END_BIT)
- | RCU_USBCFG_HOST_END_BIT, RCU_USB2CFG);
-
- /* Hard reset USB state machines */
- ltq_rcu_w32(ltq_rcu_r32(RCU_USBRESET) | USBRESET_BIT, RCU_USBRESET);
- udelay(50 * 1000);
- ltq_rcu_w32(ltq_rcu_r32(RCU_USBRESET) & ~USBRESET_BIT, RCU_USBRESET);
-
- /* Soft reset USB state machines */
- ltq_rcu_w32(ltq_rcu_r32(RCU_USBRESET2)
- | USB1RESET_BIT | USB2RESET_BIT, RCU_USBRESET2);
- udelay(50 * 1000);
- ltq_rcu_w32(ltq_rcu_r32(RCU_USBRESET2)
- & ~(USB1RESET_BIT | USB2RESET_BIT), RCU_USBRESET2);
-}
-
static int __init mips_reboot_setup(void)
{
struct resource res;
@@ -176,10 +137,6 @@ static int __init mips_reboot_setup(void)
if (!ltq_rcu_membase)
panic("Failed to remap core memory");

- if (of_machine_is_compatible("lantiq,ar9") ||
- of_machine_is_compatible("lantiq,vr9"))
- ltq_usb_init();
-
_machine_restart = ltq_machine_restart;
_machine_halt = ltq_machine_halt;
pm_power_off = ltq_machine_power_off;
--
2.11.0