android_kernel_xiaomi_sm8350/arch/sh/boards/magicpanelr2/setup.c
Markus Brunner e87ab0c43c sh: Magic Panel MTD mapping update.
This update moves the flash mapping for the Magic Panel into the board
setup. It also removes references to the old MTD mapping option in the
defconfig.

Signed-off by: Markus Brunner <super.firetwister@gmail.com>
Signed-off by: Mark Jonas <toertel@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-09-21 15:27:35 +09:00

395 lines
11 KiB
C

/*
* linux/arch/sh/boards/magicpanel/setup.c
*
* Copyright (C) 2007 Markus Brunner, Mark Jonas
*
* Magic Panel Release 2 board setup
*
* 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/init.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/map.h>
#include <asm/magicpanelr2.h>
#include <asm/heartbeat.h>
#define LAN9115_READY (ctrl_inl(0xA8000084UL) & 0x00000001UL)
/* Prefer cmdline over RedBoot */
static const char *probes[] = { "cmdlinepart", "RedBoot", NULL };
/* Wait until reset finished. Timeout is 100ms. */
static int __init ethernet_reset_finished(void)
{
int i;
if (LAN9115_READY)
return 1;
for (i = 0; i < 10; ++i) {
mdelay(10);
if (LAN9115_READY)
return 1;
}
return 0;
}
static void __init reset_ethernet(void)
{
/* PMDR: LAN_RESET=on */
CLRBITS_OUTB(0x10, PORT_PMDR);
udelay(200);
/* PMDR: LAN_RESET=off */
SETBITS_OUTB(0x10, PORT_PMDR);
}
static void __init setup_chip_select(void)
{
/* CS2: LAN (0x08000000 - 0x0bffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x36db0400, CS2BCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x000003c0, CS2WCR);
/* CS4: CAN1 (0xb0000000 - 0xb3ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS4BCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS4WCR);
/* CS5a: CAN2 (0xb4000000 - 0xb5ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS5ABCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS5AWCR);
/* CS5b: CAN3 (0xb6000000 - 0xb7ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS5BBCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS5BWCR);
/* CS6a: Rotary (0xb8000000 - 0xb9ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS6ABCR);
/* (SW:1.5 WR:3 HW:1.5), no ext. wait */
ctrl_outl(0x001009C1, CS6AWCR);
}
static void __init setup_port_multiplexing(void)
{
/* A7 GPO(LED8); A6 GPO(LED7); A5 GPO(LED6); A4 GPO(LED5);
* A3 GPO(LED4); A2 GPO(LED3); A1 GPO(LED2); A0 GPO(LED1);
*/
ctrl_outw(0x5555, PORT_PACR); /* 01 01 01 01 01 01 01 01 */
/* B7 GPO(RST4); B6 GPO(RST3); B5 GPO(RST2); B4 GPO(RST1);
* B3 GPO(PB3); B2 GPO(PB2); B1 GPO(PB1); B0 GPO(PB0);
*/
ctrl_outw(0x5555, PORT_PBCR); /* 01 01 01 01 01 01 01 01 */
/* C7 GPO(PC7); C6 GPO(PC6); C5 GPO(PC5); C4 GPO(PC4);
* C3 LCD_DATA3; C2 LCD_DATA2; C1 LCD_DATA1; C0 LCD_DATA0;
*/
ctrl_outw(0x5500, PORT_PCCR); /* 01 01 01 01 00 00 00 00 */
/* D7 GPO(PD7); D6 GPO(PD6); D5 GPO(PD5); D4 GPO(PD4);
* D3 GPO(PD3); D2 GPO(PD2); D1 GPO(PD1); D0 GPO(PD0);
*/
ctrl_outw(0x5555, PORT_PDCR); /* 01 01 01 01 01 01 01 01 */
/* E7 (x); E6 GPI(nu); E5 GPI(nu); E4 LCD_M_DISP;
* E3 LCD_CL1; E2 LCD_CL2; E1 LCD_DON; E0 LCD_FLM;
*/
ctrl_outw(0x3C00, PORT_PECR); /* 00 11 11 00 00 00 00 00 */
/* F7 (x); F6 DA1(VLCD); F5 DA0(nc); F4 AN3;
* F3 AN2(MID_AD); F2 AN1(EARTH_AD); F1 AN0(TEMP); F0 GPI+(nc);
*/
ctrl_outw(0x0002, PORT_PFCR); /* 00 00 00 00 00 00 00 10 */
/* G7 (x); G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ); G4 GPI(KEY2);
* G3 GPI(KEY1); G2 GPO(LED11); G1 GPO(LED10); G0 GPO(LED9);
*/
ctrl_outw(0x03D5, PORT_PGCR); /* 00 00 00 11 11 01 01 01 */
/* H7 (x); H6 /RAS(BRAS); H5 /CAS(BCAS); H4 CKE(BCKE);
* H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR; H0 USB1_PWR;
*/
ctrl_outw(0x0050, PORT_PHCR); /* 00 00 00 00 01 01 00 00 */
/* J7 (x); J6 AUDCK; J5 ASEBRKAK; J4 AUDATA3;
* J3 AUDATA2; J2 AUDATA1; J1 AUDATA0; J0 AUDSYNC;
*/
ctrl_outw(0x0000, PORT_PJCR); /* 00 00 00 00 00 00 00 00 */
/* K7 (x); K6 (x); K5 (x); K4 (x);
* K3 PINT7(/PWR2); K2 PINT6(/PWR1); K1 PINT5(nu); K0 PINT4(FLASH_READY)
*/
ctrl_outw(0x00FF, PORT_PKCR); /* 00 00 00 00 11 11 11 11 */
/* L7 TRST; L6 TMS; L5 TDO; L4 TDI;
* L3 TCK; L2 (x); L1 (x); L0 (x);
*/
ctrl_outw(0x0000, PORT_PLCR); /* 00 00 00 00 00 00 00 00 */
/* M7 GPO(CURRENT_SINK); M6 GPO(PWR_SWITCH); M5 GPO(LAN_SPEED);
* M4 GPO(LAN_RESET); M3 GPO(BUZZER); M2 GPO(LCD_BL);
* M1 CS5B(CAN3_CS); M0 GPI+(nc);
*/
ctrl_outw(0x5552, PORT_PMCR); /* 01 01 01 01 01 01 00 10 */
/* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit,
* LAN_RESET=off, BUZZER=off, LCD_BL=off
*/
#if CONFIG_SH_MAGIC_PANEL_R2_VERSION == 2
ctrl_outb(0x30, PORT_PMDR);
#elif CONFIG_SH_MAGIC_PANEL_R2_VERSION == 3
ctrl_outb(0xF0, PORT_PMDR);
#else
#error Unknown revision of PLATFORM_MP_R2
#endif
/* P7 (x); P6 (x); P5 (x);
* P4 GPO(nu); P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ);
* P1 IRQ1(CAN2_IRQ); P0 IRQ0(CAN1_IRQ)
*/
ctrl_outw(0x0100, PORT_PPCR); /* 00 00 00 01 00 00 00 00 */
ctrl_outb(0x10, PORT_PPDR);
/* R7 A25; R6 A24; R5 A23; R4 A22;
* R3 A21; R2 A20; R1 A19; R0 A0;
*/
ctrl_outw(0x0000, PORT_PRCR); /* 00 00 00 00 00 00 00 00 */
/* S7 (x); S6 (x); S5 (x); S4 GPO(EEPROM_CS2);
* S3 GPO(EEPROM_CS1); S2 SIOF0_TXD; S1 SIOF0_RXD; S0 SIOF0_SCK;
*/
ctrl_outw(0x0140, PORT_PSCR); /* 00 00 00 01 01 00 00 00 */
/* T7 (x); T6 (x); T5 (x); T4 COM1_CTS;
* T3 COM1_RTS; T2 COM1_TXD; T1 COM1_RXD; T0 GPO(WDOG)
*/
ctrl_outw(0x0001, PORT_PTCR); /* 00 00 00 00 00 00 00 01 */
/* U7 (x); U6 (x); U5 (x); U4 GPI+(/AC_FAULT);
* U3 GPO(TOUCH_CS); U2 TOUCH_TXD; U1 TOUCH_RXD; U0 TOUCH_SCK;
*/
ctrl_outw(0x0240, PORT_PUCR); /* 00 00 00 10 01 00 00 00 */
/* V7 (x); V6 (x); V5 (x); V4 GPO(MID2);
* V3 GPO(MID1); V2 CARD_TxD; V1 CARD_RxD; V0 GPI+(/BAT_FAULT);
*/
ctrl_outw(0x0142, PORT_PVCR); /* 00 00 00 01 01 00 00 10 */
}
static void __init mpr2_setup(char **cmdline_p)
{
__set_io_port_base(0xa0000000);
/* set Pin Select Register A:
* /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2,
* /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND
*/
ctrl_outw(0xAABC, PORT_PSELA);
/* set Pin Select Register B:
* /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC,
* LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved
*/
ctrl_outw(0x3C00, PORT_PSELB);
/* set Pin Select Register C:
* SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved
*/
ctrl_outw(0x0000, PORT_PSELC);
/* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK,
* Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved
*/
ctrl_outw(0x0000, PORT_PSELD);
/* set USB TxRx Control: Reserved, DRV, Reserved, USB_TRANS, USB_SEL */
ctrl_outw(0x0101, PORT_UTRCTL);
/* set USB Clock Control: USSCS, USSTB, Reserved (HighByte always A5) */
ctrl_outw(0xA5C0, PORT_UCLKCR_W);
setup_chip_select();
setup_port_multiplexing();
reset_ethernet();
printk(KERN_INFO "Magic Panel Release 2 A.%i\n",
CONFIG_SH_MAGIC_PANEL_R2_VERSION);
if (ethernet_reset_finished() == 0)
printk(KERN_WARNING "Ethernet not ready\n");
}
static struct resource smc911x_resources[] = {
[0] = {
.start = 0xa8000000,
.end = 0xabffffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 35,
.end = 35,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smc911x_device = {
.name = "smc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
};
static struct resource heartbeat_resources[] = {
[0] = {
.start = PA_LED,
.end = PA_LED,
.flags = IORESOURCE_MEM,
},
};
static struct heartbeat_data heartbeat_data = {
.flags = HEARTBEAT_INVERTED,
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
.dev = {
.platform_data = &heartbeat_data,
},
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct mtd_partition *parsed_partitions;
static struct mtd_partition mpr2_partitions[] = {
/* Reserved for bootloader, read-only */
{
.name = "Bootloader",
.offset = 0x00000000UL,
.size = MPR2_MTD_BOOTLOADER_SIZE,
.mask_flags = MTD_WRITEABLE,
},
/* Reserved for kernel image */
{
.name = "Kernel",
.offset = MTDPART_OFS_NXTBLK,
.size = MPR2_MTD_KERNEL_SIZE,
},
/* Rest is used for Flash FS */
{
.name = "Flash_FS",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
}
};
static struct physmap_flash_data flash_data = {
.width = 2,
};
static struct resource flash_resource = {
.start = 0x00000000,
.end = 0x2000000UL,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = -1,
.resource = &flash_resource,
.num_resources = 1,
.dev = {
.platform_data = &flash_data,
},
};
static struct mtd_info *flash_mtd;
static struct map_info mpr2_flash_map = {
.name = "Magic Panel R2 Flash",
.size = 0x2000000UL,
.bankwidth = 2,
};
static void __init set_mtd_partitions(void)
{
int nr_parts = 0;
simple_map_init(&mpr2_flash_map);
flash_mtd = do_map_probe("cfi_probe", &mpr2_flash_map);
nr_parts = parse_mtd_partitions(flash_mtd, probes,
&parsed_partitions, 0);
/* If there is no partition table, used the hard coded table */
if (nr_parts <= 0) {
flash_data.parts = mpr2_partitions;
flash_data.nr_parts = ARRAY_SIZE(mpr2_partitions);
} else {
flash_data.nr_parts = nr_parts;
flash_data.parts = parsed_partitions;
}
}
/*
* Add all resources to the platform_device
*/
static struct platform_device *mpr2_devices[] __initdata = {
&heartbeat_device,
&smc911x_device,
&flash_device,
};
static int __init mpr2_devices_setup(void)
{
set_mtd_partitions();
return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices));
}
device_initcall(mpr2_devices_setup);
/*
* Initialize IRQ setting
*/
static void __init init_mpr2_IRQ(void)
{
plat_irq_setup_pins(IRQ_MODE_IRQ); /* install handlers for IRQ0-5 */
set_irq_type(32, IRQ_TYPE_LEVEL_LOW); /* IRQ0 CAN1 */
set_irq_type(33, IRQ_TYPE_LEVEL_LOW); /* IRQ1 CAN2 */
set_irq_type(34, IRQ_TYPE_LEVEL_LOW); /* IRQ2 CAN3 */
set_irq_type(35, IRQ_TYPE_LEVEL_LOW); /* IRQ3 SMSC9115 */
set_irq_type(36, IRQ_TYPE_EDGE_RISING); /* IRQ4 touchscreen */
set_irq_type(37, IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */
intc_set_priority(32, 13); /* IRQ0 CAN1 */
intc_set_priority(33, 13); /* IRQ0 CAN2 */
intc_set_priority(34, 13); /* IRQ0 CAN3 */
intc_set_priority(35, 6); /* IRQ3 SMSC9115 */
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_mpr2 __initmv = {
.mv_name = "mpr2",
.mv_setup = mpr2_setup,
.mv_init_irq = init_mpr2_IRQ,
};