1 files changed, 548 insertions, 0 deletions

diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
new file mode 100644
index 000000000000..e87313aeae20
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -0,0 +1,548 @@
+/*
+ * arch/arm/mach-spear3xx/spear3xx.c
+ *
+ * SPEAr3XX machines common source file
+ *
+ * Copyright (C) 2009 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>
+#include <linux/io.h>
+#include <asm/hardware/vic.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear3xx machines common devices here */
+/* gpio device registeration */
+static struct pl061_platform_data gpio_plat_data = {
+        .gpio_base      = 0,
+        .irq_base       = SPEAR_GPIO_INT_BASE,
+};
+
+struct amba_device gpio_device = {
+        .dev = {
+                .init_name = "gpio",
+                .platform_data = &gpio_plat_data,
+        },
+        .res = {
+                .start = SPEAR3XX_ICM3_GPIO_BASE,
+                .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_BASIC_GPIO, NO_IRQ},
+};
+
+/* uart device registeration */
+struct amba_device uart_device = {
+        .dev = {
+                .init_name = "uart",
+        },
+        .res = {
+                .start = SPEAR3XX_ICM1_UART_BASE,
+                .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_UART, NO_IRQ},
+};
+
+/* 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 */
+struct map_desc spear3xx_io_desc[] __initdata = {
+        {
+                .virtual        = VA_SPEAR3XX_ICM1_UART_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
+                .length         = SPEAR3XX_ICM1_UART_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ML1_VIC_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
+                .length         = SPEAR3XX_ML1_VIC_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
+                .length         = SPEAR3XX_ICM3_SYS_CTRL_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
+                .length         = SPEAR3XX_ICM3_MISC_REG_SIZE,
+                .type           = MT_DEVICE
+        },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear3xx_map_io(void)
+{
+        iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
+
+        /* This will initialize clock framework */
+        clk_init();
+}
+
+/* pad multiplexing support */
+/* devices */
+struct pmx_dev_mode pmx_firda_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_FIRDA_MASK,
+        },
+};
+
+struct pmx_dev pmx_firda = {
+        .name = "firda",
+        .modes = pmx_firda_modes,
+        .mode_count = ARRAY_SIZE(pmx_firda_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_i2c_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_I2C_MASK,
+        },
+};
+
+struct pmx_dev pmx_i2c = {
+        .name = "i2c",
+        .modes = pmx_i2c_modes,
+        .mode_count = ARRAY_SIZE(pmx_i2c_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_ssp_cs_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_SSP_CS_MASK,
+        },
+};
+
+struct pmx_dev pmx_ssp_cs = {
+        .name = "ssp_chip_selects",
+        .modes = pmx_ssp_cs_modes,
+        .mode_count = ARRAY_SIZE(pmx_ssp_cs_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_ssp_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_SSP_MASK,
+        },
+};
+
+struct pmx_dev pmx_ssp = {
+        .name = "ssp",
+        .modes = pmx_ssp_modes,
+        .mode_count = ARRAY_SIZE(pmx_ssp_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_mii_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_MII_MASK,
+        },
+};
+
+struct pmx_dev pmx_mii = {
+        .name = "mii",
+        .modes = pmx_mii_modes,
+        .mode_count = ARRAY_SIZE(pmx_mii_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin0_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN0_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin0 = {
+        .name = "gpio_pin0",
+        .modes = pmx_gpio_pin0_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin0_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin1_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN1_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin1 = {
+        .name = "gpio_pin1",
+        .modes = pmx_gpio_pin1_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin1_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin2_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN2_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin2 = {
+        .name = "gpio_pin2",
+        .modes = pmx_gpio_pin2_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin2_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin3_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN3_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin3 = {
+        .name = "gpio_pin3",
+        .modes = pmx_gpio_pin3_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin3_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin4_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN4_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin4 = {
+        .name = "gpio_pin4",
+        .modes = pmx_gpio_pin4_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin4_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_gpio_pin5_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_GPIO_PIN5_MASK,
+        },
+};
+
+struct pmx_dev pmx_gpio_pin5 = {
+        .name = "gpio_pin5",
+        .modes = pmx_gpio_pin5_modes,
+        .mode_count = ARRAY_SIZE(pmx_gpio_pin5_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_uart0_modem_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_UART0_MODEM_MASK,
+        },
+};
+
+struct pmx_dev pmx_uart0_modem = {
+        .name = "uart0_modem",
+        .modes = pmx_uart0_modem_modes,
+        .mode_count = ARRAY_SIZE(pmx_uart0_modem_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_uart0_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_UART0_MASK,
+        },
+};
+
+struct pmx_dev pmx_uart0 = {
+        .name = "uart0",
+        .modes = pmx_uart0_modes,
+        .mode_count = ARRAY_SIZE(pmx_uart0_modes),
+        .enb_on_reset = 0,
+};
+
+struct pmx_dev_mode pmx_timer_3_4_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_TIMER_3_4_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_timer_1_2_modes[] = {
+        {
+                .ids = 0xffffffff,
+                .mask = PMX_TIMER_1_2_MASK,
+        },
+};
+
+struct pmx_dev 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 */
+struct pmx_dev_mode pmx_plgpio_0_1_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_FIRDA_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_2_3_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_UART0_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_4_5_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_I2C_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_6_9_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_SSP_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_10_27_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_MII_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_28_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN0_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_28 = {
+        .name = "plgpio 28",
+        .modes = pmx_plgpio_28_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_28_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_29_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN1_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_29 = {
+        .name = "plgpio 29",
+        .modes = pmx_plgpio_29_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_29_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_30_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN2_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_30 = {
+        .name = "plgpio 30",
+        .modes = pmx_plgpio_30_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_30_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_31_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN3_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_31 = {
+        .name = "plgpio 31",
+        .modes = pmx_plgpio_31_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_31_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_32_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN4_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_32 = {
+        .name = "plgpio 32",
+        .modes = pmx_plgpio_32_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_32_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_33_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_GPIO_PIN5_MASK,
+        },
+};
+
+struct pmx_dev pmx_plgpio_33 = {
+        .name = "plgpio 33",
+        .modes = pmx_plgpio_33_modes,
+        .mode_count = ARRAY_SIZE(pmx_plgpio_33_modes),
+        .enb_on_reset = 1,
+};
+
+struct pmx_dev_mode pmx_plgpio_34_36_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_SSP_CS_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_37_42_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_UART0_MODEM_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_43_44_47_48_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_TIMER_1_2_MASK,
+        },
+};
+
+struct pmx_dev 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,
+};
+
+struct pmx_dev_mode pmx_plgpio_45_46_49_50_modes[] = {
+        {
+                .ids = 0x00,
+                .mask = PMX_TIMER_3_4_MASK,
+        },
+};
+
+struct pmx_dev 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
+
+/* spear padmux initialization function */
+void spear_pmx_init(struct pmx_driver *pmx_driver, uint base, uint size)
+{
+        int ret = 0;
+
+        /* pad mux initialization */
+        pmx_driver->base = ioremap(base, size);
+        if (!pmx_driver->base) {
+                ret = -ENOMEM;
+                goto pmx_fail;
+        }
+
+        ret = pmx_register(pmx_driver);
+        iounmap(pmx_driver->base);
+
+pmx_fail:
+        if (ret)
+                printk(KERN_ERR "padmux: registeration failed. err no: %d\n",
+                                ret);
+}