ARM: mach-shmobile: mackerel: Add the flash controller flctl

Add board and clock setup code for the SH Mobile flctl controller.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

2 files changed, 74 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index a2813247b455..8758f9453fdd 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -39,6 +39,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/sh_flctl.h>
 #include <linux/pm_clock.h>
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
@@ -965,6 +966,50 @@ static struct platform_device fsi_ak4643_device = {
         },
 };
 
+/* FLCTL */
+static struct mtd_partition nand_partition_info[] = {
+        {
+                .name   = "system",
+                .offset = 0,
+                .size   = 128 * 1024 * 1024,
+        },
+        {
+                .name   = "userdata",
+                .offset = MTDPART_OFS_APPEND,
+                .size   = 256 * 1024 * 1024,
+        },
+        {
+                .name   = "cache",
+                .offset = MTDPART_OFS_APPEND,
+                .size   = 128 * 1024 * 1024,
+        },
+};
+
+static struct resource nand_flash_resources[] = {
+        [0] = {
+                .start  = 0xe6a30000,
+                .end    = 0xe6a3009b,
+                .flags  = IORESOURCE_MEM,
+        }
+};
+
+static struct sh_flctl_platform_data nand_flash_data = {
+        .parts          = nand_partition_info,
+        .nr_parts       = ARRAY_SIZE(nand_partition_info),
+        .flcmncr_val    = CLK_16B_12L_4H | TYPESEL_SET
+                        | SHBUSSEL | SEL_16BIT | SNAND_E,
+        .use_holden     = 1,
+};
+
+static struct platform_device nand_flash_device = {
+        .name           = "sh_flctl",
+        .resource       = nand_flash_resources,
+        .num_resources  = ARRAY_SIZE(nand_flash_resources),
+        .dev            = {
+                .platform_data = &nand_flash_data,
+        },
+};
+
 /*
  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
@@ -1268,6 +1313,7 @@ static struct platform_device *mackerel_devices[] __initdata = {
         &fsi_device,
         &fsi_ak4643_device,
         &fsi_hdmi_device,
+        &nand_flash_device,
         &sdhi0_device,
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
         &sdhi1_device,
@@ -1515,6 +1561,30 @@ static void __init mackerel_init(void)
         gpio_request(GPIO_FN_MMCCMD0, NULL);
         gpio_request(GPIO_FN_MMCCLK0, NULL);
 
+        /* FLCTL */
+        gpio_request(GPIO_FN_D0_NAF0, NULL);
+        gpio_request(GPIO_FN_D1_NAF1, NULL);
+        gpio_request(GPIO_FN_D2_NAF2, NULL);
+        gpio_request(GPIO_FN_D3_NAF3, NULL);
+        gpio_request(GPIO_FN_D4_NAF4, NULL);
+        gpio_request(GPIO_FN_D5_NAF5, NULL);
+        gpio_request(GPIO_FN_D6_NAF6, NULL);
+        gpio_request(GPIO_FN_D7_NAF7, NULL);
+        gpio_request(GPIO_FN_D8_NAF8, NULL);
+        gpio_request(GPIO_FN_D9_NAF9, NULL);
+        gpio_request(GPIO_FN_D10_NAF10, NULL);
+        gpio_request(GPIO_FN_D11_NAF11, NULL);
+        gpio_request(GPIO_FN_D12_NAF12, NULL);
+        gpio_request(GPIO_FN_D13_NAF13, NULL);
+        gpio_request(GPIO_FN_D14_NAF14, NULL);
+        gpio_request(GPIO_FN_D15_NAF15, NULL);
+        gpio_request(GPIO_FN_FCE0, NULL);
+        gpio_request(GPIO_FN_WE0_FWE, NULL);
+        gpio_request(GPIO_FN_FRB, NULL);
+        gpio_request(GPIO_FN_A4_FOE, NULL);
+        gpio_request(GPIO_FN_A5_FCDE, NULL);
+        gpio_request(GPIO_FN_RD_FSC, NULL);
+
         /* enable GPS module (GT-720F) */
         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
@@ -1559,6 +1629,7 @@ static void __init mackerel_init(void)
         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
         sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs0_device);
         sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs1_device);
+        sh7372_add_device_to_domain(&sh7372_a3sp, &nand_flash_device);
         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 293456d8dcfd..b692ad3d13a5 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -511,7 +511,7 @@ enum { MSTP001, MSTP000,
        MSTP223,
        MSTP218, MSTP217, MSTP216, MSTP214, MSTP208, MSTP207,
        MSTP206, MSTP205, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-       MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
+        MSTP328, MSTP323, MSTP322, MSTP315, MSTP314, MSTP313, MSTP312,
        MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP407, MSTP406,
        MSTP405, MSTP404, MSTP403, MSTP400,
        MSTP_NR };
@@ -553,6 +553,7 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSI2 */
         [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
         [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
+        [MSTP315] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 15, 0), /* FLCTL*/
         [MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
         [MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
         [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
@@ -653,6 +654,7 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */
         CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */
         CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[MSTP322]), /* USB0 */
+        CLKDEV_DEV_ID("sh_flctl.0", &mstp_clks[MSTP315]), /* FLCTL */
         CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
         CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
         CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */