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5917bfa4c0
The 158MiB memory area was used to support HD resolution multimedia workloads using the same legacy memory allocating solution as on SH. There are no in-tree kernel dependencies on the 158MiB setting, and future development should reserve and allocate memory using some other method like for instance CMA. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Nicolas Pitre <nico@linaro.org>
374 lines
9.2 KiB
C
374 lines
9.2 KiB
C
/*
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* G3EVM board support
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*
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2008 Yoshihiro Shimoda
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/sh_flctl.h>
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#include <linux/usb/r8a66597.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/input/sh_keysc.h>
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#include <linux/dma-mapping.h>
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#include <mach/sh7367.h>
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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/*
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* IrDA
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*
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* S67: 5bit : ON power
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* : 6bit : ON remote control
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* OFF IrDA
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*/
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = 512 * 1024,
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = 512 * 1024,
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},
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{
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.name = "kernel_ro",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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},
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{
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.name = "data",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = 0x00000000,
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.end = 0x08000000 - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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/* USBHS */
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static void usb_host_port_power(int port, int power)
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{
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if (!power) /* only power-on supported for now */
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return;
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/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
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__raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
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}
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static struct r8a66597_platdata usb_host_data = {
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.on_chip = 1,
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.port_power = usb_host_port_power,
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};
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static struct resource usb_host_resources[] = {
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[0] = {
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.name = "USBHS",
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.start = 0xe6890000,
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.end = 0xe68900e5,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0xa20), /* USBHS_USHI0 */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb_host_device = {
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.name = "r8a66597_hcd",
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.id = 0,
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.dev = {
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.platform_data = &usb_host_data,
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.dma_mask = NULL,
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(usb_host_resources),
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.resource = usb_host_resources,
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};
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/* KEYSC */
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static struct sh_keysc_info keysc_info = {
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.mode = SH_KEYSC_MODE_5,
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.scan_timing = 3,
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.delay = 100,
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.keycodes = {
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KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
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KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
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KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
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KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
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KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
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KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
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},
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};
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static struct resource keysc_resources[] = {
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[0] = {
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.name = "KEYSC",
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.start = 0xe61b0000,
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.end = 0xe61b000f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0xbe0), /* KEYSC_KEY */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device keysc_device = {
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.name = "sh_keysc",
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.num_resources = ARRAY_SIZE(keysc_resources),
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.resource = keysc_resources,
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.dev = {
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.platform_data = &keysc_info,
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},
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};
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static struct mtd_partition nand_partition_info[] = {
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{
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.name = "system",
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.offset = 0,
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.size = 64 * 1024 * 1024,
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},
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{
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.name = "userdata",
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.offset = MTDPART_OFS_APPEND,
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.size = 128 * 1024 * 1024,
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},
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{
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.name = "cache",
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.offset = MTDPART_OFS_APPEND,
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.size = 64 * 1024 * 1024,
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},
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};
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static struct resource nand_flash_resources[] = {
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[0] = {
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.start = 0xe6a30000,
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.end = 0xe6a3009b,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct sh_flctl_platform_data nand_flash_data = {
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.parts = nand_partition_info,
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.nr_parts = ARRAY_SIZE(nand_partition_info),
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.flcmncr_val = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
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| SHBUSSEL | SEL_16BIT,
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};
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static struct platform_device nand_flash_device = {
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.name = "sh_flctl",
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.resource = nand_flash_resources,
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.num_resources = ARRAY_SIZE(nand_flash_resources),
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.dev = {
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.platform_data = &nand_flash_data,
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},
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};
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static struct resource irda_resources[] = {
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[0] = {
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.start = 0xE6D00000,
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.end = 0xE6D01FD4 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x480), /* IRDA */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device irda_device = {
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.name = "sh_irda",
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.id = -1,
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.resource = irda_resources,
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.num_resources = ARRAY_SIZE(irda_resources),
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};
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static struct platform_device *g3evm_devices[] __initdata = {
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&nor_flash_device,
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&usb_host_device,
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&keysc_device,
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&nand_flash_device,
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&irda_device,
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};
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static struct map_desc g3evm_io_desc[] __initdata = {
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/* create a 1:1 entity map for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init g3evm_map_io(void)
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{
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iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
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/* setup early devices and console here as well */
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sh7367_add_early_devices();
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shmobile_setup_console();
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}
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static void __init g3evm_init(void)
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{
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sh7367_pinmux_init();
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/* Lit DS4 LED */
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gpio_request(GPIO_PORT22, NULL);
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gpio_direction_output(GPIO_PORT22, 1);
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gpio_export(GPIO_PORT22, 0);
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/* Lit DS8 LED */
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gpio_request(GPIO_PORT23, NULL);
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gpio_direction_output(GPIO_PORT23, 1);
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gpio_export(GPIO_PORT23, 0);
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/* Lit DS3 LED */
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gpio_request(GPIO_PORT24, NULL);
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gpio_direction_output(GPIO_PORT24, 1);
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gpio_export(GPIO_PORT24, 0);
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/* SCIFA1 */
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gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
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gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
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gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
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gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
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/* USBHS */
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gpio_request(GPIO_FN_VBUS0, NULL);
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gpio_request(GPIO_FN_PWEN, NULL);
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gpio_request(GPIO_FN_OVCN, NULL);
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gpio_request(GPIO_FN_OVCN2, NULL);
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gpio_request(GPIO_FN_EXTLP, NULL);
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gpio_request(GPIO_FN_IDIN, NULL);
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/* setup USB phy */
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__raw_writew(0x0300, 0xe605810a); /* USBCR1 */
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__raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
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__raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
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__raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
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/* KEYSC @ CN7 */
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gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
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gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
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gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
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gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
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gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
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gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
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gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
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gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
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gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
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gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
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gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
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gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
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gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
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/* FLCTL */
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gpio_request(GPIO_FN_FCE0, NULL);
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gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
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gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
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gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
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gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
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gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
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gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
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gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
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gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
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gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
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gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
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gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
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gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
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gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
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gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
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gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
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gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
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gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
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gpio_request(GPIO_FN_FRB, NULL);
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/* FOE, FCDE, FSC on dedicated pins */
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__raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
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/* IrDA */
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gpio_request(GPIO_FN_IRDA_OUT, NULL);
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gpio_request(GPIO_FN_IRDA_IN, NULL);
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gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
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sh7367_add_standard_devices();
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platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
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}
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static void __init g3evm_timer_init(void)
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{
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sh7367_clock_init();
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shmobile_timer.init();
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}
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static struct sys_timer g3evm_timer = {
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.init = g3evm_timer_init,
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};
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MACHINE_START(G3EVM, "g3evm")
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.map_io = g3evm_map_io,
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.init_irq = sh7367_init_irq,
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.handle_irq = shmobile_handle_irq_intc,
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.init_machine = g3evm_init,
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.timer = &g3evm_timer,
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MACHINE_END
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