diff options
Diffstat (limited to 'arch/sh/boards/mach-kfr2r09')
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/sdram.S | 80 | ||||
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/setup.c | 238 |
3 files changed, 318 insertions, 2 deletions
diff --git a/arch/sh/boards/mach-kfr2r09/Makefile b/arch/sh/boards/mach-kfr2r09/Makefile index 5d5867826e3b..4e577a3bf658 100644 --- a/arch/sh/boards/mach-kfr2r09/Makefile +++ b/arch/sh/boards/mach-kfr2r09/Makefile @@ -1,2 +1,2 @@ -obj-y := setup.o +obj-y := setup.o sdram.o obj-$(CONFIG_FB_SH_MOBILE_LCDC) += lcd_wqvga.o diff --git a/arch/sh/boards/mach-kfr2r09/sdram.S b/arch/sh/boards/mach-kfr2r09/sdram.S new file mode 100644 index 000000000000..0c9f55bec2fe --- /dev/null +++ b/arch/sh/boards/mach-kfr2r09/sdram.S @@ -0,0 +1,80 @@ +/* + * KFR2R09 sdram self/auto-refresh setup code + * + * Copyright (C) 2009 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/sys.h> +#include <linux/errno.h> +#include <linux/linkage.h> +#include <asm/asm-offsets.h> +#include <asm/suspend.h> +#include <asm/romimage-macros.h> + +/* code to enter and leave self-refresh. must be self-contained. + * this code will be copied to on-chip memory and executed from there. + */ + .balign 4 +ENTRY(kfr2r09_sdram_enter_start) + + /* DBSC: put memory in self-refresh mode */ + + ED 0xFD000010, 0x00000000 /* DBEN */ + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000040, 0x00000001 /* DBRFPDN0 */ + + rts + nop + +ENTRY(kfr2r09_sdram_enter_end) + + .balign 4 +ENTRY(kfr2r09_sdram_leave_start) + + /* DBSC: put memory in auto-refresh mode */ + + mov.l @(SH_SLEEP_MODE, r5), r0 + tst #SUSP_SH_RSTANDBY, r0 + bf resume_rstandby + + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + WAIT 1 + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000010, 0x00000001 /* DBEN */ + ED 0xFD000040, 0x00010000 /* DBRFPDN0 */ + + rts + nop + +resume_rstandby: + + /* DBSC: re-initialize and put in auto-refresh */ + + ED 0xFD000108, 0x40000301 /* DBPDCNT0 */ + ED 0xFD000020, 0x011B0002 /* DBCONF */ + ED 0xFD000030, 0x03060E02 /* DBTR0 */ + ED 0xFD000034, 0x01020102 /* DBTR1 */ + ED 0xFD000038, 0x01090406 /* DBTR2 */ + ED 0xFD000008, 0x00000004 /* DBKIND */ + ED 0xFD000040, 0x00000001 /* DBRFPDN0 */ + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + ED 0xFD000018, 0x00000001 /* DBCKECNT */ + WAIT 1 + ED 0xFD000010, 0x00000001 /* DBEN */ + ED 0xFD000044, 0x000004AF /* DBRFPDN1 */ + ED 0xFD000048, 0x20CF0037 /* DBRFPDN2 */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000108, 0x40000300 /* DBPDCNT0 */ + ED 0xFD000040, 0x00010000 /* DBRFPDN0 */ + + rts + nop + +ENTRY(kfr2r09_sdram_leave_end) diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c index c08d33fe2104..87438d6603d6 100644 --- a/arch/sh/boards/mach-kfr2r09/setup.c +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -16,13 +16,16 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/input.h> +#include <linux/input/sh_keysc.h> #include <linux/i2c.h> #include <linux/usb/r8a66597.h> +#include <media/soc_camera.h> +#include <media/sh_mobile_ceu.h> #include <video/sh_mobile_lcdc.h> +#include <asm/suspend.h> #include <asm/clock.h> #include <asm/machvec.h> #include <asm/io.h> -#include <asm/sh_keysc.h> #include <cpu/sh7724.h> #include <mach/kfr2r09.h> @@ -212,11 +215,154 @@ static struct platform_device kfr2r09_usb0_gadget_device = { .resource = kfr2r09_usb0_gadget_resources, }; +static struct sh_mobile_ceu_info sh_mobile_ceu_info = { + .flags = SH_CEU_FLAG_USE_8BIT_BUS, +}; + +static struct resource kfr2r09_ceu_resources[] = { + [0] = { + .name = "CEU", + .start = 0xfe910000, + .end = 0xfe91009f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 52, + .end = 52, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device kfr2r09_ceu_device = { + .name = "sh_mobile_ceu", + .id = 0, /* "ceu0" clock */ + .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources), + .resource = kfr2r09_ceu_resources, + .dev = { + .platform_data = &sh_mobile_ceu_info, + }, + .archdata = { + .hwblk_id = HWBLK_CEU0, + }, +}; + +static struct i2c_board_info kfr2r09_i2c_camera = { + I2C_BOARD_INFO("rj54n1cb0c", 0x50), +}; + +static struct clk *camera_clk; + +#define DRVCRB 0xA405018C +static int camera_power(struct device *dev, int mode) +{ + int ret; + + if (mode) { + long rate; + + camera_clk = clk_get(NULL, "video_clk"); + if (IS_ERR(camera_clk)) + return PTR_ERR(camera_clk); + + /* set VIO_CKO clock to 25MHz */ + rate = clk_round_rate(camera_clk, 25000000); + ret = clk_set_rate(camera_clk, rate); + if (ret < 0) + goto eclkrate; + + /* set DRVCRB + * + * use 1.8 V for VccQ_VIO + * use 2.85V for VccQ_SR + */ + ctrl_outw((ctrl_inw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB); + + /* reset clear */ + ret = gpio_request(GPIO_PTB4, NULL); + if (ret < 0) + goto eptb4; + ret = gpio_request(GPIO_PTB7, NULL); + if (ret < 0) + goto eptb7; + + ret = gpio_direction_output(GPIO_PTB4, 1); + if (!ret) + ret = gpio_direction_output(GPIO_PTB7, 1); + if (ret < 0) + goto egpioout; + msleep(1); + + ret = clk_enable(camera_clk); /* start VIO_CKO */ + if (ret < 0) + goto eclkon; + + return 0; + } + + ret = 0; + + clk_disable(camera_clk); +eclkon: + gpio_set_value(GPIO_PTB7, 0); +egpioout: + gpio_set_value(GPIO_PTB4, 0); + gpio_free(GPIO_PTB7); +eptb7: + gpio_free(GPIO_PTB4); +eptb4: +eclkrate: + clk_put(camera_clk); + return ret; +} + +static struct soc_camera_link rj54n1_link = { + .power = camera_power, + .board_info = &kfr2r09_i2c_camera, + .i2c_adapter_id = 1, + .module_name = "rj54n1cb0c", +}; + +static struct platform_device kfr2r09_camera = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &rj54n1_link, + }, +}; + +static struct resource kfr2r09_sh_sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0x04ce0000, + .end = 0x04ce01ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 101, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kfr2r09_sh_sdhi0_device = { + .name = "sh_mobile_sdhi", + .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources), + .resource = kfr2r09_sh_sdhi0_resources, + .archdata = { + .hwblk_id = HWBLK_SDHI0, + }, +}; + static struct platform_device *kfr2r09_devices[] __initdata = { &kfr2r09_nor_flash_device, &kfr2r09_nand_flash_device, &kfr2r09_sh_keysc_device, &kfr2r09_sh_lcdc_device, + &kfr2r09_ceu_device, + &kfr2r09_camera, + &kfr2r09_sh_sdhi0_device, }; #define BSC_CS0BCR 0xfec10004 @@ -268,11 +414,59 @@ static int kfr2r09_usb0_gadget_i2c_setup(void) return 0; } + +static int kfr2r09_serial_i2c_setup(void) +{ + struct i2c_adapter *a; + struct i2c_msg msg; + unsigned char buf[2]; + int ret; + + a = i2c_get_adapter(0); + if (!a) + return -ENODEV; + + /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */ + buf[0] = 0x13; + msg.addr = 0x09; + msg.buf = buf; + msg.len = 1; + msg.flags = 0; + ret = i2c_transfer(a, &msg, 1); + if (ret != 1) + return -ENODEV; + + buf[0] = 0; + msg.addr = 0x09; + msg.buf = buf; + msg.len = 1; + msg.flags = I2C_M_RD; + ret = i2c_transfer(a, &msg, 1); + if (ret != 1) + return -ENODEV; + + buf[1] = buf[0] | (1 << 6); + buf[0] = 0x13; + msg.addr = 0x09; + msg.buf = buf; + msg.len = 2; + msg.flags = 0; + ret = i2c_transfer(a, &msg, 1); + if (ret != 1) + return -ENODEV; + + return 0; +} #else static int kfr2r09_usb0_gadget_i2c_setup(void) { return -ENODEV; } + +static int kfr2r09_serial_i2c_setup(void) +{ + return -ENODEV; +} #endif static int kfr2r09_usb0_gadget_setup(void) @@ -299,11 +493,27 @@ static int kfr2r09_usb0_gadget_setup(void) return 0; } +extern char kfr2r09_sdram_enter_start; +extern char kfr2r09_sdram_enter_end; +extern char kfr2r09_sdram_leave_start; +extern char kfr2r09_sdram_leave_end; + static int __init kfr2r09_devices_setup(void) { + /* register board specific self-refresh code */ + sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF | + SUSP_SH_RSTANDBY, + &kfr2r09_sdram_enter_start, + &kfr2r09_sdram_enter_end, + &kfr2r09_sdram_leave_start, + &kfr2r09_sdram_leave_end); + /* enable SCIF1 serial port for YC401 console support */ gpio_request(GPIO_FN_SCIF1_RXD, NULL); gpio_request(GPIO_FN_SCIF1_TXD, NULL); + kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */ + gpio_request(GPIO_PTG3, NULL); /* HPON_ON */ + gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */ /* setup NOR flash at CS0 */ ctrl_outl(0x36db0400, BSC_CS0BCR); @@ -361,6 +571,32 @@ static int __init kfr2r09_devices_setup(void) if (kfr2r09_usb0_gadget_setup() == 0) platform_device_register(&kfr2r09_usb0_gadget_device); + /* CEU */ + gpio_request(GPIO_FN_VIO_CKO, NULL); + gpio_request(GPIO_FN_VIO0_CLK, NULL); + gpio_request(GPIO_FN_VIO0_VD, NULL); + gpio_request(GPIO_FN_VIO0_HD, NULL); + gpio_request(GPIO_FN_VIO0_FLD, NULL); + gpio_request(GPIO_FN_VIO0_D7, NULL); + gpio_request(GPIO_FN_VIO0_D6, NULL); + gpio_request(GPIO_FN_VIO0_D5, NULL); + gpio_request(GPIO_FN_VIO0_D4, NULL); + gpio_request(GPIO_FN_VIO0_D3, NULL); + gpio_request(GPIO_FN_VIO0_D2, NULL); + gpio_request(GPIO_FN_VIO0_D1, NULL); + gpio_request(GPIO_FN_VIO0_D0, NULL); + + platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20); + + /* SDHI0 connected to yc304 */ + gpio_request(GPIO_FN_SDHI0CD, NULL); + gpio_request(GPIO_FN_SDHI0D3, NULL); + gpio_request(GPIO_FN_SDHI0D2, NULL); + gpio_request(GPIO_FN_SDHI0D1, NULL); + gpio_request(GPIO_FN_SDHI0D0, NULL); + gpio_request(GPIO_FN_SDHI0CMD, NULL); + gpio_request(GPIO_FN_SDHI0CLK, NULL); + return platform_add_devices(kfr2r09_devices, ARRAY_SIZE(kfr2r09_devices)); } |
