1 files changed, 70 insertions, 479 deletions

diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index b1733c37f209..f22419ed74a8 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -3,71 +3,78 @@
  *
  * SPEAr3XX machines common source file
  *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
 
-#include <linux/types.h>
-#include <linux/amba/pl061.h>
-#include <linux/ptrace.h>
+#define pr_fmt(fmt) "SPEAr3xx: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/amba/pl08x.h>
+#include <linux/of_irq.h>
 #include <linux/io.h>
+#include <asm/hardware/pl080.h>
 #include <asm/hardware/vic.h>
-#include <asm/irq.h>
-#include <asm/mach/arch.h>
+#include <plat/pl080.h>
 #include <mach/generic.h>
-#include <mach/hardware.h>
-
-/* Add spear3xx machines common devices here */
-/* gpio device registration */
-static struct pl061_platform_data gpio_plat_data = {
-        .gpio_base      = 0,
-        .irq_base       = SPEAR3XX_GPIO_INT_BASE,
+#include <mach/spear.h>
+
+/* ssp device registration */
+struct pl022_ssp_controller pl022_plat_data = {
+        .bus_id = 0,
+        .enable_dma = 1,
+        .dma_filter = pl08x_filter_id,
+        .dma_tx_param = "ssp0_tx",
+        .dma_rx_param = "ssp0_rx",
+        /*
+         * This is number of spi devices that can be connected to spi. There are
+         * two type of chipselects on which slave devices can work. One is chip
+         * select provided by spi masters other is controlled through external
+         * gpio's. We can't use chipselect provided from spi master (because as
+         * soon as FIFO becomes empty, CS is disabled and transfer ends). So
+         * this number now depends on number of gpios available for spi. each
+         * slave on each master requires a separate gpio pin.
+         */
+        .num_chipselect = 2,
+};
+
+/* dmac device registration */
+struct pl08x_platform_data pl080_plat_data = {
+        .memcpy_channel = {
+                .bus_id = "memcpy",
+                .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+                        PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
+                        PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
+                        PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
+                        PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \
+                        PL080_CONTROL_PROT_SYS),
+        },
+        .lli_buses = PL08X_AHB1,
+        .mem_buses = PL08X_AHB1,
+        .get_signal = pl080_get_signal,
+        .put_signal = pl080_put_signal,
 };
 
-AMBA_APB_DEVICE(spear3xx_gpio, "gpio", 0, SPEAR3XX_ICM3_GPIO_BASE,
-        {SPEAR3XX_IRQ_BASIC_GPIO}, &gpio_plat_data);
-
-/* uart device registration */
-AMBA_APB_DEVICE(spear3xx_uart, "uart", 0, SPEAR3XX_ICM1_UART_BASE,
-        {SPEAR3XX_IRQ_UART}, NULL);
-
-/* Do spear3xx familiy common initialization part here */
-void __init spear3xx_init(void)
-{
-        /* nothing to do for now */
-}
-
-/* This will initialize vic */
-void __init spear3xx_init_irq(void)
-{
-        vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0);
-}
-
-/* Following will create static virtual/physical mappings */
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL             VIRTUAL
+ * 0xD0000000           0xFD000000
+ * 0xFC000000           0xFC000000
+ */
 struct map_desc spear3xx_io_desc[] __initdata = {
         {
-                .virtual        = VA_SPEAR3XX_ICM1_UART_BASE,
-                .pfn            = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE
-        }, {
-                .virtual        = VA_SPEAR3XX_ML1_VIC_BASE,
-                .pfn            = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE
-        }, {
-                .virtual        = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
-                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
-                .length         = SZ_4K,
+                .virtual        = VA_SPEAR3XX_ICM1_2_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM1_2_BASE),
+                .length         = SZ_16M,
                 .type           = MT_DEVICE
         }, {
-                .virtual        = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
-                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
-                .length         = SZ_4K,
+                .virtual        = VA_SPEAR3XX_ICM3_SMI_CTRL_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_SMI_CTRL_BASE),
+                .length         = SZ_16M,
                 .type           = MT_DEVICE
         },
 };
@@ -76,441 +83,15 @@ struct map_desc spear3xx_io_desc[] __initdata = {
 void __init spear3xx_map_io(void)
 {
         iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
-
-        /* This will initialize clock framework */
-        spear3xx_clk_init();
 }
 
-/* pad multiplexing support */
-/* devices */
-static struct pmx_dev_mode pmx_firda_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_FIRDA_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_firda = {
-        .name = "firda",
-        .modes = pmx_firda_modes,
-        .mode_count = ARRAY_SIZE(pmx_firda_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_i2c_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_I2C_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_i2c = {
-        .name = "i2c",
-        .modes = pmx_i2c_modes,
-        .mode_count = ARRAY_SIZE(pmx_i2c_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_ssp_cs_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_SSP_CS_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_ssp_cs = {
-        .name = "ssp_chip_selects",
-        .modes = pmx_ssp_cs_modes,
-        .mode_count = ARRAY_SIZE(pmx_ssp_cs_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_ssp_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_SSP_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_ssp = {
-        .name = "ssp",
-        .modes = pmx_ssp_modes,
-        .mode_count = ARRAY_SIZE(pmx_ssp_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_mii_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_MII_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_mii = {
-        .name = "mii",
-        .modes = pmx_mii_modes,
-        .mode_count = ARRAY_SIZE(pmx_mii_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin0_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN0_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin0 = {
-        .name = "gpio_pin0",
-        .modes = pmx_gpio_pin0_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin0_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin1_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN1_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin1 = {
-        .name = "gpio_pin1",
-        .modes = pmx_gpio_pin1_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin1_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin2_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN2_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin2 = {
-        .name = "gpio_pin2",
-        .modes = pmx_gpio_pin2_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin2_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin3_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN3_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin3 = {
-        .name = "gpio_pin3",
-        .modes = pmx_gpio_pin3_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin3_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin4_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN4_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin4 = {
-        .name = "gpio_pin4",
-        .modes = pmx_gpio_pin4_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin4_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin5_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_GPIO_PIN5_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin5 = {
-        .name = "gpio_pin5",
-        .modes = pmx_gpio_pin5_modes,
-        .mode_count = ARRAY_SIZE(pmx_gpio_pin5_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_uart0_modem_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_UART0_MODEM_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_uart0_modem = {
-        .name = "uart0_modem",
-        .modes = pmx_uart0_modem_modes,
-        .mode_count = ARRAY_SIZE(pmx_uart0_modem_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_uart0_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_UART0_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_uart0 = {
-        .name = "uart0",
-        .modes = pmx_uart0_modes,
-        .mode_count = ARRAY_SIZE(pmx_uart0_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_timer_3_4_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_TIMER_3_4_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_timer_3_4 = {
-        .name = "timer_3_4",
-        .modes = pmx_timer_3_4_modes,
-        .mode_count = ARRAY_SIZE(pmx_timer_3_4_modes),
-        .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_timer_1_2_modes[] = {
-        {
-                .ids = 0xffffffff,
-                .mask = PMX_TIMER_1_2_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_timer_1_2 = {
-        .name = "timer_1_2",
-        .modes = pmx_timer_1_2_modes,
-        .mode_count = ARRAY_SIZE(pmx_timer_1_2_modes),
-        .enb_on_reset = 0,
-};
-
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
-/* plgpios devices */
-static struct pmx_dev_mode pmx_plgpio_0_1_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_FIRDA_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_0_1 = {
-        .name = "plgpio 0 and 1",
-        .modes = pmx_plgpio_0_1_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_0_1_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_2_3_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_UART0_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_2_3 = {
-        .name = "plgpio 2 and 3",
-        .modes = pmx_plgpio_2_3_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_2_3_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_4_5_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_I2C_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_4_5 = {
-        .name = "plgpio 4 and 5",
-        .modes = pmx_plgpio_4_5_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_4_5_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_6_9_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_SSP_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_6_9 = {
-        .name = "plgpio 6 to 9",
-        .modes = pmx_plgpio_6_9_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_6_9_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_10_27_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_MII_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_10_27 = {
-        .name = "plgpio 10 to 27",
-        .modes = pmx_plgpio_10_27_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_10_27_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_28_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN0_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_28 = {
-        .name = "plgpio 28",
-        .modes = pmx_plgpio_28_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_28_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_29_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN1_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_29 = {
-        .name = "plgpio 29",
-        .modes = pmx_plgpio_29_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_29_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_30_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN2_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_30 = {
-        .name = "plgpio 30",
-        .modes = pmx_plgpio_30_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_30_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_31_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN3_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_31 = {
-        .name = "plgpio 31",
-        .modes = pmx_plgpio_31_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_31_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_32_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN4_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_32 = {
-        .name = "plgpio 32",
-        .modes = pmx_plgpio_32_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_32_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_33_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_GPIO_PIN5_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_33 = {
-        .name = "plgpio 33",
-        .modes = pmx_plgpio_33_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_33_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_34_36_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_SSP_CS_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_34_36 = {
-        .name = "plgpio 34 to 36",
-        .modes = pmx_plgpio_34_36_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_34_36_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_37_42_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_UART0_MODEM_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_37_42 = {
-        .name = "plgpio 37 to 42",
-        .modes = pmx_plgpio_37_42_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_37_42_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_43_44_47_48_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_TIMER_1_2_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_43_44_47_48 = {
-        .name = "plgpio 43, 44, 47 and 48",
-        .modes = pmx_plgpio_43_44_47_48_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_43_44_47_48_modes),
-        .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_45_46_49_50_modes[] = {
-        {
-                .ids = 0x00,
-                .mask = PMX_TIMER_3_4_MASK,
-        },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_45_46_49_50 = {
-        .name = "plgpio 45, 46, 49 and 50",
-        .modes = pmx_plgpio_45_46_49_50_modes,
-        .mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes),
-        .enb_on_reset = 1,
-};
-#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */
-
 static void __init spear3xx_timer_init(void)
 {
         char pclk_name[] = "pll3_48m_clk";
         struct clk *gpt_clk, *pclk;
 
+        spear3xx_clk_init();
+
         /* get the system timer clock */
         gpt_clk = clk_get_sys("gpt0", NULL);
         if (IS_ERR(gpt_clk)) {
@@ -530,9 +111,19 @@ static void __init spear3xx_timer_init(void)
         clk_put(gpt_clk);
         clk_put(pclk);
 
-        spear_setup_timer();
+        spear_setup_of_timer();
 }
 
 struct sys_timer spear3xx_timer = {
         .init = spear3xx_timer_init,
 };
+
+static const struct of_device_id vic_of_match[] __initconst = {
+        { .compatible = "arm,pl190-vic", .data = vic_of_init, },
+        { /* Sentinel */ }
+};
+
+void __init spear3xx_dt_init_irq(void)
+{
+        of_irq_init(vic_of_match);
+}