1 files changed, 308 insertions, 0 deletions
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
new file mode 100644
index 00000000..9004cf9f
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -0,0 +1,308 @@
+/*
+ * arch/arm/mach-spear3xx/spear310.c
+ *
+ * SPEAr310 machine 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/ptrace.h>
+#include <asm/irq.h>
+#include <plat/shirq.h>
+#include <mach/generic.h>
+#include <mach/hardware.h>
+
+/* pad multiplexing support */
+/* muxing registers */
+#define PAD_MUX_CONFIG_REG	0x08
+
+/* devices */
+static struct pmx_dev_mode pmx_emi_cs_0_1_4_5_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_TIMER_3_4_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_emi_cs_0_1_4_5 = {
+	.name = "emi_cs_0_1_4_5",
+	.modes = pmx_emi_cs_0_1_4_5_modes,
+	.mode_count = ARRAY_SIZE(pmx_emi_cs_0_1_4_5_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_emi_cs_2_3_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_TIMER_1_2_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_emi_cs_2_3 = {
+	.name = "emi_cs_2_3",
+	.modes = pmx_emi_cs_2_3_modes,
+	.mode_count = ARRAY_SIZE(pmx_emi_cs_2_3_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_uart1_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_FIRDA_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_uart1 = {
+	.name = "uart1",
+	.modes = pmx_uart1_modes,
+	.mode_count = ARRAY_SIZE(pmx_uart1_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_uart2_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_TIMER_1_2_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_uart2 = {
+	.name = "uart2",
+	.modes = pmx_uart2_modes,
+	.mode_count = ARRAY_SIZE(pmx_uart2_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_uart3_4_5_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_UART0_MODEM_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_uart3_4_5 = {
+	.name = "uart3_4_5",
+	.modes = pmx_uart3_4_5_modes,
+	.mode_count = ARRAY_SIZE(pmx_uart3_4_5_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_fsmc_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_SSP_CS_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_fsmc = {
+	.name = "fsmc",
+	.modes = pmx_fsmc_modes,
+	.mode_count = ARRAY_SIZE(pmx_fsmc_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_rs485_0_1_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_MII_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_rs485_0_1 = {
+	.name = "rs485_0_1",
+	.modes = pmx_rs485_0_1_modes,
+	.mode_count = ARRAY_SIZE(pmx_rs485_0_1_modes),
+	.enb_on_reset = 1,
+};
+
+static struct pmx_dev_mode pmx_tdm0_modes[] = {
+	{
+		.ids = 0x00,
+		.mask = PMX_MII_MASK,
+	},
+};
+
+struct pmx_dev spear310_pmx_tdm0 = {
+	.name = "tdm0",
+	.modes = pmx_tdm0_modes,
+	.mode_count = ARRAY_SIZE(pmx_tdm0_modes),
+	.enb_on_reset = 1,
+};
+
+/* pmx driver structure */
+static struct pmx_driver pmx_driver = {
+	.mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
+};
+
+/* spear3xx shared irq */
+static struct shirq_dev_config shirq_ras1_config[] = {
+	{
+		.virq = SPEAR310_VIRQ_SMII0,
+		.status_mask = SPEAR310_SMII0_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_SMII1,
+		.status_mask = SPEAR310_SMII1_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_SMII2,
+		.status_mask = SPEAR310_SMII2_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_SMII3,
+		.status_mask = SPEAR310_SMII3_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_WAKEUP_SMII0,
+		.status_mask = SPEAR310_WAKEUP_SMII0_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_WAKEUP_SMII1,
+		.status_mask = SPEAR310_WAKEUP_SMII1_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_WAKEUP_SMII2,
+		.status_mask = SPEAR310_WAKEUP_SMII2_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_WAKEUP_SMII3,
+		.status_mask = SPEAR310_WAKEUP_SMII3_IRQ_MASK,
+	},
+};
+
+static struct spear_shirq shirq_ras1 = {
+	.irq = SPEAR3XX_IRQ_GEN_RAS_1,
+	.dev_config = shirq_ras1_config,
+	.dev_count = ARRAY_SIZE(shirq_ras1_config),
+	.regs = {
+		.enb_reg = -1,
+		.status_reg = SPEAR310_INT_STS_MASK_REG,
+		.status_reg_mask = SPEAR310_SHIRQ_RAS1_MASK,
+		.clear_reg = -1,
+	},
+};
+
+static struct shirq_dev_config shirq_ras2_config[] = {
+	{
+		.virq = SPEAR310_VIRQ_UART1,
+		.status_mask = SPEAR310_UART1_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_UART2,
+		.status_mask = SPEAR310_UART2_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_UART3,
+		.status_mask = SPEAR310_UART3_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_UART4,
+		.status_mask = SPEAR310_UART4_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_UART5,
+		.status_mask = SPEAR310_UART5_IRQ_MASK,
+	},
+};
+
+static struct spear_shirq shirq_ras2 = {
+	.irq = SPEAR3XX_IRQ_GEN_RAS_2,
+	.dev_config = shirq_ras2_config,
+	.dev_count = ARRAY_SIZE(shirq_ras2_config),
+	.regs = {
+		.enb_reg = -1,
+		.status_reg = SPEAR310_INT_STS_MASK_REG,
+		.status_reg_mask = SPEAR310_SHIRQ_RAS2_MASK,
+		.clear_reg = -1,
+	},
+};
+
+static struct shirq_dev_config shirq_ras3_config[] = {
+	{
+		.virq = SPEAR310_VIRQ_EMI,
+		.status_mask = SPEAR310_EMI_IRQ_MASK,
+	},
+};
+
+static struct spear_shirq shirq_ras3 = {
+	.irq = SPEAR3XX_IRQ_GEN_RAS_3,
+	.dev_config = shirq_ras3_config,
+	.dev_count = ARRAY_SIZE(shirq_ras3_config),
+	.regs = {
+		.enb_reg = -1,
+		.status_reg = SPEAR310_INT_STS_MASK_REG,
+		.status_reg_mask = SPEAR310_SHIRQ_RAS3_MASK,
+		.clear_reg = -1,
+	},
+};
+
+static struct shirq_dev_config shirq_intrcomm_ras_config[] = {
+	{
+		.virq = SPEAR310_VIRQ_TDM_HDLC,
+		.status_mask = SPEAR310_TDM_HDLC_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_RS485_0,
+		.status_mask = SPEAR310_RS485_0_IRQ_MASK,
+	}, {
+		.virq = SPEAR310_VIRQ_RS485_1,
+		.status_mask = SPEAR310_RS485_1_IRQ_MASK,
+	},
+};
+
+static struct spear_shirq shirq_intrcomm_ras = {
+	.irq = SPEAR3XX_IRQ_INTRCOMM_RAS_ARM,
+	.dev_config = shirq_intrcomm_ras_config,
+	.dev_count = ARRAY_SIZE(shirq_intrcomm_ras_config),
+	.regs = {
+		.enb_reg = -1,
+		.status_reg = SPEAR310_INT_STS_MASK_REG,
+		.status_reg_mask = SPEAR310_SHIRQ_INTRCOMM_RAS_MASK,
+		.clear_reg = -1,
+	},
+};
+
+/* Add spear310 specific devices here */
+
+/* spear310 routines */
+void __init spear310_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
+		u8 pmx_dev_count)
+{
+	void __iomem *base;
+	int ret = 0;
+
+	/* call spear3xx family common init function */
+	spear3xx_init();
+
+	/* shared irq registration */
+	base = ioremap(SPEAR310_SOC_CONFIG_BASE, SZ_4K);
+	if (base) {
+		/* shirq 1 */
+		shirq_ras1.regs.base = base;
+		ret = spear_shirq_register(&shirq_ras1);
+		if (ret)
+			printk(KERN_ERR "Error registering Shared IRQ 1\n");
+
+		/* shirq 2 */
+		shirq_ras2.regs.base = base;
+		ret = spear_shirq_register(&shirq_ras2);
+		if (ret)
+			printk(KERN_ERR "Error registering Shared IRQ 2\n");
+
+		/* shirq 3 */
+		shirq_ras3.regs.base = base;
+		ret = spear_shirq_register(&shirq_ras3);
+		if (ret)
+			printk(KERN_ERR "Error registering Shared IRQ 3\n");
+
+		/* shirq 4 */
+		shirq_intrcomm_ras.regs.base = base;
+		ret = spear_shirq_register(&shirq_intrcomm_ras);
+		if (ret)
+			printk(KERN_ERR "Error registering Shared IRQ 4\n");
+	}
+
+	/* pmx initialization */
+	pmx_driver.base = base;
+	pmx_driver.mode = pmx_mode;
+	pmx_driver.devs = pmx_devs;
+	pmx_driver.devs_count = pmx_dev_count;
+
+	ret = pmx_register(&pmx_driver);
+	if (ret)
+		printk(KERN_ERR "padmux: registeration failed. err no: %d\n",
+				ret);
+}