Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include <linux/irqchip.h> |
| 11 | #include <linux/of.h> |
| 12 | #include <linux/of_platform.h> |
Fugang Duan | a9aec30 | 2013-09-04 10:58:17 +0800 | [diff] [blame] | 13 | #include <linux/mfd/syscon.h> |
| 14 | #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> |
| 15 | #include <linux/regmap.h> |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 16 | #include <asm/mach/arch.h> |
| 17 | #include <asm/mach/map.h> |
| 18 | |
| 19 | #include "common.h" |
| 20 | |
Fugang Duan | a9aec30 | 2013-09-04 10:58:17 +0800 | [diff] [blame] | 21 | static void __init imx6sl_fec_init(void) |
| 22 | { |
| 23 | struct regmap *gpr; |
| 24 | |
| 25 | /* set FEC clock from internal PLL clock source */ |
| 26 | gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr"); |
| 27 | if (!IS_ERR(gpr)) { |
| 28 | regmap_update_bits(gpr, IOMUXC_GPR1, |
| 29 | IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0); |
| 30 | regmap_update_bits(gpr, IOMUXC_GPR1, |
| 31 | IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0); |
| 32 | } else { |
| 33 | pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n"); |
| 34 | } |
| 35 | } |
| 36 | |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 37 | static void __init imx6sl_init_machine(void) |
| 38 | { |
| 39 | mxc_arch_reset_init_dt(); |
| 40 | |
| 41 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
Fugang Duan | a9aec30 | 2013-09-04 10:58:17 +0800 | [diff] [blame] | 42 | |
| 43 | imx6sl_fec_init(); |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | static void __init imx6sl_init_irq(void) |
| 47 | { |
Shawn Guo | 73dada7 | 2013-07-08 21:52:33 +0800 | [diff] [blame] | 48 | imx_init_l2cache(); |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 49 | imx_src_init(); |
| 50 | imx_gpc_init(); |
| 51 | irqchip_init(); |
| 52 | } |
| 53 | |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 54 | static const char *imx6sl_dt_compat[] __initdata = { |
| 55 | "fsl,imx6sl", |
| 56 | NULL, |
| 57 | }; |
| 58 | |
| 59 | DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)") |
| 60 | .map_io = debug_ll_io_init, |
| 61 | .init_irq = imx6sl_init_irq, |
Shawn Guo | 31a2fbf | 2013-05-03 11:24:47 +0800 | [diff] [blame] | 62 | .init_machine = imx6sl_init_machine, |
| 63 | .dt_compat = imx6sl_dt_compat, |
| 64 | .restart = mxc_restart, |
| 65 | MACHINE_END |