OMAP2/3 board-*.c files: read bootloader configuration earlier

Most board-*.c files read configuration data from the bootloader in
their .init_machine() function.  This needs to happen earlier, at some
point before omap2_init_common_hw() is called.  This is because a
future patch will use the bootloader serial console port information
to enable the UART clocks earlier, immediately after omap2_clk_init().
This is in turn necessary since otherwise clock tree usecounts on
clocks like dpll4_m2x2_ck will be bogus, which can cause the
currently-active console UART clock to be disabled during boot.

Signed-off-by: Paul Walmsley <paul@pwsan.com>

15 files changed, 118 insertions, 102 deletions

diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 7f5a74d59243..42217b32f835 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -139,18 +139,19 @@ static inline void board_smc91x_init(void)
 
 #endif
 
+static struct omap_board_config_kernel sdp2430_config[] = {
+        {OMAP_TAG_LCD, &sdp2430_lcd_config},
+};
+
 static void __init omap_2430sdp_init_irq(void)
 {
+        omap_board_config = sdp2430_config;
+        omap_board_config_size = ARRAY_SIZE(sdp2430_config);
         omap2_init_common_hw(NULL, NULL);
         omap_init_irq();
         omap_gpio_init();
 }
 
-static struct omap_board_config_kernel sdp2430_config[] = {
-        {OMAP_TAG_LCD, &sdp2430_lcd_config},
-};
-
-
 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
         .gpio_base      = OMAP_MAX_GPIO_LINES,
         .irq_base       = TWL4030_GPIO_IRQ_BASE,
@@ -200,8 +201,6 @@ static void __init omap_2430sdp_init(void)
         omap2430_i2c_init();
 
         platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
-        omap_board_config = sdp2430_config;
-        omap_board_config_size = ARRAY_SIZE(sdp2430_config);
         omap_serial_init();
         twl4030_mmc_init(mmc);
         usb_musb_init();
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 7e9b76cc7675..4500e7f674d7 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -167,13 +167,6 @@ static struct platform_device *sdp3430_devices[] __initdata = {
         &sdp3430_lcd_device,
 };
 
-static void __init omap_3430sdp_init_irq(void)
-{
-        omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
-        omap_init_irq();
-        omap_gpio_init();
-}
-
 static struct omap_lcd_config sdp3430_lcd_config __initdata = {
         .ctrl_name      = "internal",
 };
@@ -182,6 +175,15 @@ static struct omap_board_config_kernel sdp3430_config[] __initdata = {
         { OMAP_TAG_LCD,         &sdp3430_lcd_config },
 };
 
+static void __init omap_3430sdp_init_irq(void)
+{
+        omap_board_config = sdp3430_config;
+        omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+        omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
+        omap_init_irq();
+        omap_gpio_init();
+}
+
 static int sdp3430_batt_table[] = {
 /* 0 C*/
 30800, 29500, 28300, 27100,
@@ -477,8 +479,6 @@ static void __init omap_3430sdp_init(void)
 {
         omap3430_i2c_init();
         platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
-        omap_board_config = sdp3430_config;
-        omap_board_config_size = ARRAY_SIZE(sdp3430_config);
         if (omap_rev() > OMAP3430_REV_ES1_0)
                 ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
         else
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 615f21d1eb23..7a2b54c7291a 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -248,14 +248,6 @@ out:
         clk_put(gpmc_fck);
 }
 
-static void __init omap_apollon_init_irq(void)
-{
-        omap2_init_common_hw(NULL, NULL);
-        omap_init_irq();
-        omap_gpio_init();
-        apollon_init_smc91x();
-}
-
 static struct omap_usb_config apollon_usb_config __initdata = {
         .register_dev   = 1,
         .hmc_mode       = 0x14, /* 0:dev 1:host1 2:disable */
@@ -271,6 +263,16 @@ static struct omap_board_config_kernel apollon_config[] = {
         { OMAP_TAG_LCD,         &apollon_lcd_config },
 };
 
+static void __init omap_apollon_init_irq(void)
+{
+        omap_board_config = apollon_config;
+        omap_board_config_size = ARRAY_SIZE(apollon_config);
+        omap2_init_common_hw(NULL, NULL);
+        omap_init_irq();
+        omap_gpio_init();
+        apollon_init_smc91x();
+}
+
 static void __init apollon_led_init(void)
 {
         /* LED0 - AA10 */
@@ -319,8 +321,6 @@ static void __init omap_apollon_init(void)
          * if not needed.
          */
         platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
-        omap_board_config = apollon_config;
-        omap_board_config_size = ARRAY_SIZE(apollon_config);
         omap_serial_init();
 }
 
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 3e401c5b6e41..2e09a1c444cb 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -31,19 +31,19 @@
 #include <mach/board.h>
 #include <mach/common.h>
 
+static struct omap_board_config_kernel generic_config[] = {
+};
+
 static void __init omap_generic_init_irq(void)
 {
+        omap_board_config = generic_config;
+        omap_board_config_size = ARRAY_SIZE(generic_config);
         omap2_init_common_hw(NULL, NULL);
         omap_init_irq();
 }
 
-static struct omap_board_config_kernel generic_config[] = {
-};
-
 static void __init omap_generic_init(void)
 {
-        omap_board_config = generic_config;
-        omap_board_config_size = ARRAY_SIZE(generic_config);
         omap_serial_init();
 }
 
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index b6501d241c10..eaa02d012c5c 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -268,14 +268,6 @@ static void __init h4_init_flash(void)
         h4_flash_resource.end   = base + SZ_64M - 1;
 }
 
-static void __init omap_h4_init_irq(void)
-{
-        omap2_init_common_hw(NULL, NULL);
-        omap_init_irq();
-        omap_gpio_init();
-        h4_init_flash();
-}
-
 static struct omap_lcd_config h4_lcd_config __initdata = {
         .ctrl_name      = "internal",
 };
@@ -317,6 +309,16 @@ static struct omap_board_config_kernel h4_config[] = {
         { OMAP_TAG_LCD,         &h4_lcd_config },
 };
 
+static void __init omap_h4_init_irq(void)
+{
+        omap_board_config = h4_config;
+        omap_board_config_size = ARRAY_SIZE(h4_config);
+        omap2_init_common_hw(NULL, NULL);
+        omap_init_irq();
+        omap_gpio_init();
+        h4_init_flash();
+}
+
 static struct at24_platform_data m24c01 = {
         .byte_len       = SZ_1K / 8,
         .page_size      = 16,
@@ -361,8 +363,6 @@ static void __init omap_h4_init(void)
                         ARRAY_SIZE(h4_i2c_board_info));
 
         platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
-        omap_board_config = h4_config;
-        omap_board_config_size = ARRAY_SIZE(h4_config);
         omap_usb_init(&h4_usb_config);
         omap_serial_init();
 }
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 2dd6806a1e8e..ec6854cbdd9f 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -268,14 +268,6 @@ static inline void __init ldp_init_smsc911x(void)
         gpio_direction_input(eth_gpio);
 }
 
-static void __init omap_ldp_init_irq(void)
-{
-        omap2_init_common_hw(NULL, NULL);
-        omap_init_irq();
-        omap_gpio_init();
-        ldp_init_smsc911x();
-}
-
 static struct platform_device ldp_lcd_device = {
         .name           = "ldp_lcd",
         .id             = -1,
@@ -289,6 +281,16 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
         { OMAP_TAG_LCD,         &ldp_lcd_config },
 };
 
+static void __init omap_ldp_init_irq(void)
+{
+        omap_board_config = ldp_config;
+        omap_board_config_size = ARRAY_SIZE(ldp_config);
+        omap2_init_common_hw(NULL, NULL);
+        omap_init_irq();
+        omap_gpio_init();
+        ldp_init_smsc911x();
+}
+
 static struct twl4030_usb_data ldp_usb_data = {
         .usb_mode       = T2_USB_MODE_ULPI,
 };
@@ -372,8 +374,6 @@ static void __init omap_ldp_init(void)
 {
         omap_i2c_init();
         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
-        omap_board_config = ldp_config;
-        omap_board_config_size = ARRAY_SIZE(ldp_config);
         ts_gpio = 54;
         ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
         spi_register_board_info(ldp_spi_board_info,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index d79ea8da6270..500c9956876d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -281,17 +281,6 @@ static int __init omap3_beagle_i2c_init(void)
         return 0;
 }
 
-static void __init omap3_beagle_init_irq(void)
-{
-        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
-                             mt46h32m32lf6_sdrc_params);
-        omap_init_irq();
-#ifdef CONFIG_OMAP_32K_TIMER
-        omap2_gp_clockevent_set_gptimer(12);
-#endif
-        omap_gpio_init();
-}
-
 static struct gpio_led gpio_leds[] = {
         {
                 .name                   = "beagleboard::usr0",
@@ -349,6 +338,19 @@ static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
         { OMAP_TAG_LCD,         &omap3_beagle_lcd_config },
 };
 
+static void __init omap3_beagle_init_irq(void)
+{
+        omap_board_config = omap3_beagle_config;
+        omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
+        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+                             mt46h32m32lf6_sdrc_params);
+        omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+        omap2_gp_clockevent_set_gptimer(12);
+#endif
+        omap_gpio_init();
+}
+
 static struct platform_device *omap3_beagle_devices[] __initdata = {
         &omap3_beagle_lcd_device,
         &leds_gpio,
@@ -398,8 +400,6 @@ static void __init omap3_beagle_init(void)
         omap3_beagle_i2c_init();
         platform_add_devices(omap3_beagle_devices,
                         ARRAY_SIZE(omap3_beagle_devices));
-        omap_board_config = omap3_beagle_config;
-        omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
         omap_serial_init();
 
         omap_cfg_reg(J25_34XX_GPIO170);
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 3e0435371ce6..d50b9be90580 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -274,18 +274,20 @@ struct spi_board_info omap3evm_spi_board_info[] = {
         },
 };
 
+static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
+        { OMAP_TAG_LCD,         &omap3_evm_lcd_config },
+};
+
 static void __init omap3_evm_init_irq(void)
 {
+        omap_board_config = omap3_evm_config;
+        omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
         omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
         omap_init_irq();
         omap_gpio_init();
         omap3evm_init_smc911x();
 }
 
-static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
-        { OMAP_TAG_LCD,         &omap3_evm_lcd_config },
-};
-
 static struct platform_device *omap3_evm_devices[] __initdata = {
         &omap3_evm_lcd_device,
         &omap3evm_smc911x_device,
@@ -296,8 +298,6 @@ static void __init omap3_evm_init(void)
         omap3_evm_i2c_init();
 
         platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
-        omap_board_config = omap3_evm_config;
-        omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
 
         spi_register_board_info(omap3evm_spi_board_info,
                                 ARRAY_SIZE(omap3evm_spi_board_info));
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 8236708c3627..b43f6e36b6d9 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -305,14 +305,6 @@ static int __init omap3pandora_i2c_init(void)
         return 0;
 }
 
-static void __init omap3pandora_init_irq(void)
-{
-        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
-                             mt46h32m32lf6_sdrc_params);
-        omap_init_irq();
-        omap_gpio_init();
-}
-
 static void __init omap3pandora_ads7846_init(void)
 {
         int gpio = OMAP3_PANDORA_TS_GPIO;
@@ -375,6 +367,16 @@ static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
         { OMAP_TAG_LCD,         &omap3pandora_lcd_config },
 };
 
+static void __init omap3pandora_init_irq(void)
+{
+        omap_board_config = omap3pandora_config;
+        omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
+        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+                             mt46h32m32lf6_sdrc_params);
+        omap_init_irq();
+        omap_gpio_init();
+}
+
 static struct platform_device *omap3pandora_devices[] __initdata = {
         &omap3pandora_lcd_device,
         &pandora_leds_gpio,
@@ -386,8 +388,6 @@ static void __init omap3pandora_init(void)
         omap3pandora_i2c_init();
         platform_add_devices(omap3pandora_devices,
                         ARRAY_SIZE(omap3pandora_devices));
-        omap_board_config = omap3pandora_config;
-        omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
         omap_serial_init();
         spi_register_board_info(omap3pandora_spi_board_info,
                         ARRAY_SIZE(omap3pandora_spi_board_info));
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index eb78e6eab4f4..9917d2fddc2f 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -357,14 +357,6 @@ static int __init overo_i2c_init(void)
         return 0;
 }
 
-static void __init overo_init_irq(void)
-{
-        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
-                             mt46h32m32lf6_sdrc_params);
-        omap_init_irq();
-        omap_gpio_init();
-}
-
 static struct platform_device overo_lcd_device = {
         .name           = "overo_lcd",
         .id             = -1,
@@ -378,6 +370,16 @@ static struct omap_board_config_kernel overo_config[] __initdata = {
         { OMAP_TAG_LCD,         &overo_lcd_config },
 };
 
+static void __init overo_init_irq(void)
+{
+        omap_board_config = overo_config;
+        omap_board_config_size = ARRAY_SIZE(overo_config);
+        omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+                             mt46h32m32lf6_sdrc_params);
+        omap_init_irq();
+        omap_gpio_init();
+}
+
 static struct platform_device *overo_devices[] __initdata = {
         &overo_lcd_device,
 };
@@ -386,8 +388,6 @@ static void __init overo_init(void)
 {
         overo_i2c_init();
         platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
-        omap_board_config = overo_config;
-        omap_board_config_size = ARRAY_SIZE(overo_config);
         omap_serial_init();
         overo_flash_init();
         usb_musb_init();
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index c0d13401425f..f9196c3b1a7b 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -56,6 +56,8 @@ static struct omap_board_config_kernel rx51_config[] = {
 
 static void __init rx51_init_irq(void)
 {
+        omap_board_config = rx51_config;
+        omap_board_config_size = ARRAY_SIZE(rx51_config);
         omap2_init_common_hw(NULL, NULL);
         omap_init_irq();
         omap_gpio_init();
@@ -65,8 +67,6 @@ extern void __init rx51_peripherals_init(void);
 
 static void __init rx51_init(void)
 {
-        omap_board_config = rx51_config;
-        omap_board_config_size = ARRAY_SIZE(rx51_config);
         omap_serial_init();
         usb_musb_init();
         rx51_peripherals_init();
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index dabba2720a9b..324009edbd53 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -90,13 +90,6 @@ static struct twl4030_keypad_data zoom2_kp_twl4030_data = {
         .rep            = 1,
 };
 
-static void __init omap_zoom2_init_irq(void)
-{
-        omap2_init_common_hw(NULL, NULL);
-        omap_init_irq();
-        omap_gpio_init();
-}
-
 static struct omap_board_config_kernel zoom2_config[] __initdata = {
 };
 
@@ -212,6 +205,15 @@ static struct twl4030_usb_data zoom2_usb_data = {
         .usb_mode       = T2_USB_MODE_ULPI,
 };
 
+static void __init omap_zoom2_init_irq(void)
+{
+        omap_board_config = zoom2_config;
+        omap_board_config_size = ARRAY_SIZE(zoom2_config);
+        omap2_init_common_hw(NULL, NULL);
+        omap_init_irq();
+        omap_gpio_init();
+}
+
 static struct twl4030_gpio_platform_data zoom2_gpio_data = {
         .gpio_base      = OMAP_MAX_GPIO_LINES,
         .irq_base       = TWL4030_GPIO_IRQ_BASE,
@@ -262,8 +264,6 @@ extern int __init omap_zoom2_debugboard_init(void);
 static void __init omap_zoom2_init(void)
 {
         omap_i2c_init();
-        omap_board_config = zoom2_config;
-        omap_board_config_size = ARRAY_SIZE(zoom2_config);
         omap_serial_init();
         omap_zoom2_debugboard_init();
         usb_musb_init();
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 4bfe873e1b83..470b1d10c4e5 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -32,6 +32,7 @@
 #include <mach/sram.h>
 #include <mach/sdrc.h>
 #include <mach/gpmc.h>
+#include <mach/serial.h>
 
 #ifndef CONFIG_ARCH_OMAP4       /* FIXME: Remove this once clkdev is ready */
 #include "clock.h"
@@ -287,6 +288,7 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
         pwrdm_init(powerdomains_omap);
         clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
         omap2_clk_init();
+        omap_serial_early_init();
         omap_pm_if_init();
         omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
         _omap2_init_reprogram_sdrc();
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index dd3c735b5588..ca28424f2fbd 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -552,7 +552,7 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = {
         },
 };
 
-void __init omap_serial_init(void)
+void __init omap_serial_early_init(void)
 {
         int i;
         char name[16];
@@ -595,6 +595,18 @@ void __init omap_serial_init(void)
                         p->irq += 32;
 
                 omap_uart_enable_clocks(uart);
+        }
+}
+
+void __init omap_serial_init(void)
+{
+        int i;
+
+        for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+                struct omap_uart_state *uart = &omap_uart[i];
+                struct platform_device *pdev = &uart->pdev;
+                struct device *dev = &pdev->dev;
+
                 omap_uart_reset(uart);
                 omap_uart_idle_init(uart);
 
diff --git a/arch/arm/plat-omap/include/mach/serial.h b/arch/arm/plat-omap/include/mach/serial.h
index def0529c75eb..e249186d26e2 100644
--- a/arch/arm/plat-omap/include/mach/serial.h
+++ b/arch/arm/plat-omap/include/mach/serial.h
@@ -13,6 +13,8 @@
 #ifndef __ASM_ARCH_SERIAL_H
 #define __ASM_ARCH_SERIAL_H
 
+#include <linux/init.h>
+
 #if defined(CONFIG_ARCH_OMAP1)
 /* OMAP1 serial ports */
 #define OMAP_UART1_BASE         0xfffb0000
@@ -53,6 +55,7 @@
                         })
 
 #ifndef __ASSEMBLER__
+extern void __init omap_serial_early_init(void);
 extern void omap_serial_init(void);
 extern int omap_uart_can_sleep(void);
 extern void omap_uart_check_wakeup(void);