| a10_clk.c (266152) | a10_clk.c (266274) |
|---|---|
| 1/*- 2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27/* Simple clock driver for Allwinner A10 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27/* Simple clock driver for Allwinner A10 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: stable/10/sys/arm/allwinner/a10_clk.c 266152 2014-05-15 16:11:06Z ian $"); | 30__FBSDID("$FreeBSD: stable/10/sys/arm/allwinner/a10_clk.c 266274 2014-05-16 23:27:18Z ian $"); |
| 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/malloc.h> 38#include <sys/rman.h> --- 83 unchanged lines hidden (view full) --- 122 123int 124a10_clk_usb_activate(void) 125{ 126 struct a10_ccm_softc *sc = a10_ccm_sc; 127 uint32_t reg_value; 128 129 if (sc == NULL) | 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/malloc.h> 38#include <sys/rman.h> --- 83 unchanged lines hidden (view full) --- 122 123int 124a10_clk_usb_activate(void) 125{ 126 struct a10_ccm_softc *sc = a10_ccm_sc; 127 uint32_t reg_value; 128 129 if (sc == NULL) |
| 130 return ENXIO; | 130 return (ENXIO); |
| 131 132 /* Gating AHB clock for USB */ 133 reg_value = ccm_read_4(sc, CCM_AHB_GATING0); 134 reg_value |= CCM_AHB_GATING_USB0; /* AHB clock gate usb0 */ 135 reg_value |= CCM_AHB_GATING_EHCI0; /* AHB clock gate ehci1 */ 136 reg_value |= CCM_AHB_GATING_EHCI1; /* AHB clock gate ehci1 */ 137 ccm_write_4(sc, CCM_AHB_GATING0, reg_value); 138 --- 10 unchanged lines hidden (view full) --- 149 150int 151a10_clk_usb_deactivate(void) 152{ 153 struct a10_ccm_softc *sc = a10_ccm_sc; 154 uint32_t reg_value; 155 156 if (sc == NULL) | 131 132 /* Gating AHB clock for USB */ 133 reg_value = ccm_read_4(sc, CCM_AHB_GATING0); 134 reg_value |= CCM_AHB_GATING_USB0; /* AHB clock gate usb0 */ 135 reg_value |= CCM_AHB_GATING_EHCI0; /* AHB clock gate ehci1 */ 136 reg_value |= CCM_AHB_GATING_EHCI1; /* AHB clock gate ehci1 */ 137 ccm_write_4(sc, CCM_AHB_GATING0, reg_value); 138 --- 10 unchanged lines hidden (view full) --- 149 150int 151a10_clk_usb_deactivate(void) 152{ 153 struct a10_ccm_softc *sc = a10_ccm_sc; 154 uint32_t reg_value; 155 156 if (sc == NULL) |
| 157 return ENXIO; | 157 return (ENXIO); |
| 158 159 /* Disable clock for USB */ 160 reg_value = ccm_read_4(sc, CCM_USB_CLK); 161 reg_value &= ~CCM_USB_PHY; /* USBPHY */ 162 reg_value &= ~CCM_USB0_RESET; /* reset for USB0 */ 163 reg_value &= ~CCM_USB1_RESET; /* reset for USB1 */ 164 reg_value &= ~CCM_USB2_RESET; /* reset for USB2 */ 165 ccm_write_4(sc, CCM_USB_CLK, reg_value); 166 167 /* Disable gating AHB clock for USB */ 168 reg_value = ccm_read_4(sc, CCM_AHB_GATING0); 169 reg_value &= ~CCM_AHB_GATING_USB0; /* disable AHB clock gate usb0 */ 170 reg_value &= ~CCM_AHB_GATING_EHCI1; /* disable AHB clock gate ehci1 */ 171 ccm_write_4(sc, CCM_AHB_GATING0, reg_value); 172 173 return (0); 174} 175 | 158 159 /* Disable clock for USB */ 160 reg_value = ccm_read_4(sc, CCM_USB_CLK); 161 reg_value &= ~CCM_USB_PHY; /* USBPHY */ 162 reg_value &= ~CCM_USB0_RESET; /* reset for USB0 */ 163 reg_value &= ~CCM_USB1_RESET; /* reset for USB1 */ 164 reg_value &= ~CCM_USB2_RESET; /* reset for USB2 */ 165 ccm_write_4(sc, CCM_USB_CLK, reg_value); 166 167 /* Disable gating AHB clock for USB */ 168 reg_value = ccm_read_4(sc, CCM_AHB_GATING0); 169 reg_value &= ~CCM_AHB_GATING_USB0; /* disable AHB clock gate usb0 */ 170 reg_value &= ~CCM_AHB_GATING_EHCI1; /* disable AHB clock gate ehci1 */ 171 ccm_write_4(sc, CCM_AHB_GATING0, reg_value); 172 173 return (0); 174} 175 |
| 176int 177a10_clk_emac_activate(void) { 178 struct a10_ccm_softc *sc = a10_ccm_sc; 179 uint32_t reg_value; 180 181 if (sc == NULL) 182 return (ENXIO); 183 184 /* Gating AHB clock for EMAC */ 185 reg_value = ccm_read_4(sc, CCM_AHB_GATING0); 186 reg_value |= CCM_AHB_GATING_EMAC; 187 ccm_write_4(sc, CCM_AHB_GATING0, reg_value); 188 189 return (0); 190} 191 |
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