ARM i.MX53: Make MX53 EVK bootable

1. Add entries to Kconfig
2. Add machine definition
3. Add Uart platform data, pad setting and base address
4. Adjust GPIO irq number

Signed-off-by: Yong Shen <yong.shen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

4 files changed, 37 insertions, 1 deletions

diff --git a/arch/arm/plat-mxc/devices/platform-imx-uart.c b/arch/arm/plat-mxc/devices/platform-imx-uart.c
index 0c69fbcae46a..3c854c2cc6dd 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-uart.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-uart.c
@@ -116,6 +116,16 @@ const struct imx_imx_uart_1irq_data imx51_imx_uart_data[] __initconst = {
 };
 #endif /* ifdef CONFIG_SOC_IMX51 */
 
+#ifdef CONFIG_SOC_IMX53
+const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst = {
+#define imx53_imx_uart_data_entry(_id, _hwid)                           \
+        imx_imx_uart_1irq_data_entry(MX53, _id, _hwid, SZ_4K)
+        imx53_imx_uart_data_entry(0, 1),
+        imx53_imx_uart_data_entry(1, 2),
+        imx53_imx_uart_data_entry(2, 3),
+};
+#endif /* ifdef CONFIG_SOC_IMX53 */
+
 struct platform_device *__init imx_add_imx_uart_3irq(
                 const struct imx_imx_uart_3irq_data *data,
                 const struct imxuart_platform_data *pdata)
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx53.h b/arch/arm/plat-mxc/include/mach/iomux-mx53.h
index 80cb3c587f92..5deee019c29e 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx53.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx53.h
@@ -42,6 +42,26 @@ typedef enum iomux_config {
 #define NON_MUX_I       0x00
 #define NON_PAD_I       0x00
 
+#define MX53_UART_PAD_CTRL              (PAD_CTL_PKE | PAD_CTL_PUE |    \
+                PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+/* UART1 */
+#define MX53_PAD_CSI0_D10__UART1_TXD    IOMUX_PAD(0x414, 0xE8, 2, 0x0, 0, MX53_UART_PAD_CTRL)
+#define MX53_PAD_CSI0_D11__UART1_RXD    IOMUX_PAD(0x418, 0xEC, 2, 0x878, 1, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DIOW__UART1_TXD    IOMUX_PAD(0x5F0, 0x270, 3, 0x0, 0, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DMACK__UART1_RXD   IOMUX_PAD(0x5F4, 0x274, 3, 0x880, 3, MX53_UART_PAD_CTRL)
+
+/* UART2 */
+#define MX53_PAD_ATA_BUFFER_EN__UART2_RXD       IOMUX_PAD(0x5FC, 0x27C, 3, 0x880, 3, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DMARQ__UART2_TXD   IOMUX_PAD(0x5F8, 0x278, 3, 0x0, 0, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DIOR__UART2_RTS    IOMUX_PAD(0x604, 0x284, 3, 0x87C, 3, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_INTRQ__UART2_CTS   IOMUX_PAD(0x600, 0x280, 3, 0x0, 0, MX53_UART_PAD_CTRL)
+
+/* UART3 */
+#define MX53_PAD_ATA_CS_0__UART3_TXD    IOMUX_PAD(0x61C, 0x29C, 4, 0x0, 0, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_CS_1__UART3_RXD    IOMUX_PAD(0x620, 0x2A0, 4, 0x888, 3, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DA_1__UART3_CTS    IOMUX_PAD(0x614, 0x294, 4, 0x0, 0, MX53_UART_PAD_CTRL)
+#define MX53_PAD_ATA_DA_2__UART3_RTS    IOMUX_PAD(0x618, 0x298, 4, 0x884, 5, MX53_UART_PAD_CTRL)
+
 #define MX53_PAD_GPIO_19__GPIO_4_5              IOMUX_PAD(0x348, 0x20,IOMUX_CONFIG_ALT1, 0x0, 0, NO_PAD_CTRL)
 #define MX53_PAD_KEY_COL0__GPIO_4_6             IOMUX_PAD(0x34C, 0x24,IOMUX_CONFIG_ALT1, 0x0, 0, NO_PAD_CTRL)
 #define MX53_PAD_KEY_ROW0__GPIO_4_7             IOMUX_PAD(0x350, 0x28,IOMUX_CONFIG_ALT1, 0x0, 0, NO_PAD_CTRL)
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index 064026b5a786..58a49cc83797 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -23,7 +23,9 @@
 #define MXC_GPIO_IRQ_START      MXC_INTERNAL_IRQS
 
 /* these are ordered by size to support multi-SoC kernels */
-#if defined CONFIG_ARCH_MX2
+#if defined CONFIG_ARCH_MX53
+#define MXC_GPIO_IRQS           (32 * 7)
+#elif defined CONFIG_ARCH_MX2
 #define MXC_GPIO_IRQS           (32 * 6)
 #elif defined CONFIG_ARCH_MX50
 #define MXC_GPIO_IRQS           (32 * 6)
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 5ccf3ef41d69..3a70ebf0477f 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -64,6 +64,7 @@ static inline void flush(void)
 #define MX3X_UART2_BASE_ADDR    0x43F94000
 #define MX51_UART1_BASE_ADDR    0x73fbc000
 #define MX50_UART1_BASE_ADDR    0x53fbc000
+#define MX53_UART1_BASE_ADDR    0x53fbc000
 
 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
 {
@@ -106,6 +107,9 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
         case MACH_TYPE_MX50_RDP:
                 uart_base = MX50_UART1_BASE_ADDR;
                 break;
+        case MACH_TYPE_MX53_EVK:
+                uart_base = MX53_UART1_BASE_ADDR;
+                break;
         default:
                 break;
         }