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-rw-r--r--arch/arm/mach-mxs/mach-mxs.c50
1 files changed, 1 insertions, 49 deletions
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 6298adb8d335..4ce27b536dc9 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -14,7 +14,6 @@
14#include <linux/clk/mxs.h> 14#include <linux/clk/mxs.h>
15#include <linux/clkdev.h> 15#include <linux/clkdev.h>
16#include <linux/clocksource.h> 16#include <linux/clocksource.h>
17#include <linux/can/platform/flexcan.h>
18#include <linux/delay.h> 17#include <linux/delay.h>
19#include <linux/err.h> 18#include <linux/err.h>
20#include <linux/gpio.h> 19#include <linux/gpio.h>
@@ -77,41 +76,6 @@ static inline void __mxs_togl(u32 mask, void __iomem *reg)
77 __raw_writel(mask, reg + MXS_TOG_ADDR); 76 __raw_writel(mask, reg + MXS_TOG_ADDR);
78} 77}
79 78
80/*
81 * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
82 */
83#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
84
85static int flexcan0_en, flexcan1_en;
86
87static void mx28evk_flexcan_switch(void)
88{
89 if (flexcan0_en || flexcan1_en)
90 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
91 else
92 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
93}
94
95static void mx28evk_flexcan0_switch(int enable)
96{
97 flexcan0_en = enable;
98 mx28evk_flexcan_switch();
99}
100
101static void mx28evk_flexcan1_switch(int enable)
102{
103 flexcan1_en = enable;
104 mx28evk_flexcan_switch();
105}
106
107static struct flexcan_platform_data flexcan_pdata[2];
108
109static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
110 OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80032000, NULL, &flexcan_pdata[0]),
111 OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80034000, NULL, &flexcan_pdata[1]),
112 { /* sentinel */ }
113};
114
115#define OCOTP_WORD_OFFSET 0x20 79#define OCOTP_WORD_OFFSET 0x20
116#define OCOTP_WORD_COUNT 0x20 80#define OCOTP_WORD_COUNT 0x20
117 81
@@ -271,15 +235,6 @@ static void __init imx28_evk_init(void)
271 mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); 235 mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
272} 236}
273 237
274static void __init imx28_evk_post_init(void)
275{
276 if (!gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
277 "flexcan-switch")) {
278 flexcan_pdata[0].transceiver_switch = mx28evk_flexcan0_switch;
279 flexcan_pdata[1].transceiver_switch = mx28evk_flexcan1_switch;
280 }
281}
282
283static int apx4devkit_phy_fixup(struct phy_device *phy) 238static int apx4devkit_phy_fixup(struct phy_device *phy)
284{ 239{
285 phy->dev_flags |= MICREL_PHY_50MHZ_CLK; 240 phy->dev_flags |= MICREL_PHY_50MHZ_CLK;
@@ -485,13 +440,10 @@ static void __init mxs_machine_init(void)
485 crystalfontz_init(); 440 crystalfontz_init();
486 441
487 of_platform_populate(NULL, of_default_bus_match_table, 442 of_platform_populate(NULL, of_default_bus_match_table,
488 mxs_auxdata_lookup, parent); 443 NULL, parent);
489 444
490 if (of_machine_is_compatible("karo,tx28")) 445 if (of_machine_is_compatible("karo,tx28"))
491 tx28_post_init(); 446 tx28_post_init();
492
493 if (of_machine_is_compatible("fsl,imx28-evk"))
494 imx28_evk_post_init();
495} 447}
496 448
497#define MX23_CLKCTRL_RESET_OFFSET 0x120 449#define MX23_CLKCTRL_RESET_OFFSET 0x120