| armada38x.c (294425) | armada38x.c (294426) |
|---|---|
| 1/*- 2 * Copyright (c) 2015 Semihalf. 3 * Copyright (c) 2015 Stormshield. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2015 Semihalf. 3 * Copyright (c) 2015 Stormshield. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/arm/mv/armada38x/armada38x.c 294425 2016-01-20 13:53:33Z zbb $"); | 29__FBSDID("$FreeBSD: head/sys/arm/mv/armada38x/armada38x.c 294426 2016-01-20 13:55:51Z zbb $"); |
| 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <machine/fdt.h> 36 37#include <arm/mv/mvwin.h> 38#include <arm/mv/mvreg.h> 39#include <arm/mv/mvvar.h> 40 41int armada38x_win_set_iosync_barrier(void); | 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <machine/fdt.h> 36 37#include <arm/mv/mvwin.h> 38#include <arm/mv/mvreg.h> 39#include <arm/mv/mvvar.h> 40 41int armada38x_win_set_iosync_barrier(void); |
| 42int armada38x_scu_enable(void); |
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| 42 43uint32_t 44get_tclk(void) 45{ 46 uint32_t sar; 47 48 /* 49 * On Armada38x TCLK can be configured to 250 MHz or 200 MHz. --- 23 unchanged lines hidden (view full) --- 73 MV_SYNC_BARRIER_CTRL_ALL); 74 75 bus_space_barrier(fdtbus_bs_tag, vaddr_iowind, 0, 76 MV_CPU_SUBSYS_REGS_LEN, BUS_SPACE_BARRIER_WRITE); 77 bus_space_unmap(fdtbus_bs_tag, vaddr_iowind, MV_CPU_SUBSYS_REGS_LEN); 78 79 return (rv); 80} | 43 44uint32_t 45get_tclk(void) 46{ 47 uint32_t sar; 48 49 /* 50 * On Armada38x TCLK can be configured to 250 MHz or 200 MHz. --- 23 unchanged lines hidden (view full) --- 74 MV_SYNC_BARRIER_CTRL_ALL); 75 76 bus_space_barrier(fdtbus_bs_tag, vaddr_iowind, 0, 77 MV_CPU_SUBSYS_REGS_LEN, BUS_SPACE_BARRIER_WRITE); 78 bus_space_unmap(fdtbus_bs_tag, vaddr_iowind, MV_CPU_SUBSYS_REGS_LEN); 79 80 return (rv); 81} |
| 82 83int 84armada38x_scu_enable(void) 85{ 86 bus_space_handle_t vaddr_scu; 87 int rv; 88 uint32_t val; 89 90 rv = bus_space_map(fdtbus_bs_tag, (bus_addr_t)MV_SCU_BASE, 91 MV_SCU_REGS_LEN, 0, &vaddr_scu); 92 if (rv != 0) 93 return (rv); 94 95 /* Enable SCU */ 96 val = bus_space_read_4(fdtbus_bs_tag, vaddr_scu, MV_SCU_REG_CTRL); 97 if (!(val & MV_SCU_ENABLE)) 98 bus_space_write_4(fdtbus_bs_tag, vaddr_scu, 0, 99 val | MV_SCU_ENABLE); 100 101 bus_space_unmap(fdtbus_bs_tag, vaddr_scu, MV_SCU_REGS_LEN); 102 return (0); 103} |
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