omap2+: Minimize board specific init_early calls

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / board-cm-t3517.c

diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 5b0c77732dfc4435303b32b22b9fd5a24a541f17..9da6e8240e8bee9c1bd376d1ef2c2db5083bbbca 100644 (file)
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {}
 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 #define RTC_IO_GPIO            (153)
 #define RTC_WR_GPIO            (154)
-#define RTC_RD_GPIO            (160)
+#define RTC_RD_GPIO            (53)
 #define RTC_CS_GPIO            (163)
+#define RTC_CS_EN_GPIO         (160)
 
 struct v3020_platform_data cm_t3517_v3020_pdata = {
        .use_gpio       = 1,
@@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = {
 
 static void __init cm_t3517_init_rtc(void)
 {
+       int err;
+
+       err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en");
+       if (err) {
+               pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
+               return;
+       }
+
+       gpio_direction_output(RTC_CS_EN_GPIO, 1);
+
        platform_device_register(&cm_t3517_rtc_device);
 }
 #else
@@ -214,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = {
        },
        {
                .name           = "linux",
-               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2A0000 */
                .size           = 32 * NAND_BLOCK_SIZE,
        },
        {
                .name           = "rootfs",
-               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x6A0000 */
                .size           = MTDPART_SIZ_FULL,
        },
 };
@@ -243,24 +254,28 @@ static inline void cm_t3517_init_nand(void) {}
 static struct omap_board_config_kernel cm_t3517_config[] __initdata = {
 };
 
-static void __init cm_t3517_init_irq(void)
+static void __init cm_t3517_init_early(void)
 {
-       omap_board_config = cm_t3517_config;
-       omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
-
        omap2_init_common_infrastructure();
        omap2_init_common_devices(NULL, NULL);
-       omap_init_irq();
 }
 
 static struct omap_board_mux board_mux[] __initdata = {
        /* GPIO186 - Green LED */
        OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
-       /* RTC GPIOs: IO, WR#, RD#, CS# */
+
+       /* RTC GPIOs: */
+       /* IO - GPIO153 */
        OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* WR# - GPIO154 */
        OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
-       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* RD# - GPIO53 */
+       OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS# - GPIO163 */
        OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS EN - GPIO160 */
+       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+
        /* HSUSB1 RESET */
        OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
        /* HSUSB2 RESET */
@@ -275,6 +290,8 @@ static void __init cm_t3517_init(void)
 {
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        omap_serial_init();
+       omap_board_config = cm_t3517_config;
+       omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
        cm_t3517_init_leds();
        cm_t3517_init_nand();
        cm_t3517_init_rtc();
@@ -284,9 +301,10 @@ static void __init cm_t3517_init(void)
 
 MACHINE_START(CM_T3517, "Compulab CM-T3517")
        .boot_params    = 0x80000100,
-       .map_io         = omap3_map_io,
        .reserve        = omap_reserve,
-       .init_irq       = cm_t3517_init_irq,
+       .map_io         = omap3_map_io,
+       .init_early     = cm_t3517_init_early,
+       .init_irq       = omap_init_irq,
        .init_machine   = cm_t3517_init,
        .timer          = &omap_timer,
 MACHINE_END