diff options
Diffstat (limited to 'arch/sh/boards/board-urquell.c')
| -rw-r--r-- | arch/sh/boards/board-urquell.c | 89 |
1 files changed, 74 insertions, 15 deletions
diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c index 17036ce2008..b52abcc5259 100644 --- a/arch/sh/boards/board-urquell.c +++ b/arch/sh/boards/board-urquell.c @@ -2,6 +2,9 @@ * Renesas Technology Corp. SH7786 Urquell Support. * * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com> + * Copyright (C) 2009, 2010 Paul Mundt + * + * Based on board-sh7785lcr.c * Copyright (C) 2008 Yoshihiro Shimoda * * This file is subject to the terms and conditions of the GNU General Public @@ -16,33 +19,54 @@ #include <linux/delay.h> #include <linux/gpio.h> #include <linux/irq.h> +#include <linux/clk.h> +#include <linux/sh_intc.h> #include <mach/urquell.h> #include <cpu/sh7786.h> #include <asm/heartbeat.h> #include <asm/sizes.h> +#include <asm/smp-ops.h> -static struct resource heartbeat_resources[] = { - [0] = { - .start = BOARDREG(SLEDR), - .end = BOARDREG(SLEDR), - .flags = IORESOURCE_MEM, - }, -}; +/* + * bit 1234 5678 + *---------------------------- + * SW1 0101 0010 -> Pck 33MHz version + * (1101 0010) Pck 66MHz version + * SW2 0x1x xxxx -> little endian + * 29bit mode + * SW47 0001 1000 -> CS0 : on-board flash + * CS1 : SRAM, registers, LAN, PCMCIA + * 38400 bps for SCIF1 + * + * Address + * 0x00000000 - 0x04000000 (CS0) Nor Flash + * 0x04000000 - 0x04200000 (CS1) SRAM + * 0x05000000 - 0x05800000 (CS1) on board register + * 0x05800000 - 0x06000000 (CS1) LAN91C111 + * 0x06000000 - 0x06400000 (CS1) PCMCIA + * 0x08000000 - 0x10000000 (CS2-CS3) DDR3 + * 0x10000000 - 0x14000000 (CS4) PCIe + * 0x14000000 - 0x14800000 (CS5) Core0 LRAM/URAM + * 0x14800000 - 0x15000000 (CS5) Core1 LRAM/URAM + * 0x18000000 - 0x1C000000 (CS6) ATA/NAND-Flash + * 0x1C000000 - (CS7) SH7786 Control register + */ -static struct heartbeat_data heartbeat_data = { - .regsize = 16, +/* HeartBeat */ +static struct resource heartbeat_resource = { + .start = BOARDREG(SLEDR), + .end = BOARDREG(SLEDR), + .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, - .dev = { - .platform_data = &heartbeat_data, - }, - .num_resources = ARRAY_SIZE(heartbeat_resources), - .resource = heartbeat_resources, + .num_resources = 1, + .resource = &heartbeat_resource, }; +/* LAN91C111 */ static struct smc91x_platdata smc91x_info = { .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, }; @@ -55,7 +79,7 @@ static struct resource smc91x_eth_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = 11, + .start = evt2irq(0x360), .flags = IORESOURCE_IRQ, }, }; @@ -69,6 +93,7 @@ static struct platform_device smc91x_eth_device = { }, }; +/* Nor Flash */ static struct mtd_partition nor_flash_partitions[] = { { .name = "loader", @@ -129,6 +154,10 @@ static int __init urquell_devices_setup(void) gpio_request(GPIO_FN_USB_OVC0, NULL); gpio_request(GPIO_FN_USB_PENC0, NULL); + /* enable LAN */ + __raw_writew(__raw_readw(UBOARDREG(IRL2MSKR)) & ~0x00000001, + UBOARDREG(IRL2MSKR)); + return platform_add_devices(urquell_devices, ARRAY_SIZE(urquell_devices)); } @@ -144,12 +173,40 @@ static void __init urquell_init_irq(void) plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK); } +static int urquell_mode_pins(void) +{ + return __raw_readw(UBOARDREG(MDSWMR)); +} + +static int urquell_clk_init(void) +{ + struct clk *clk; + int ret; + + /* + * Only handle the EXTAL case, anyone interfacing a crystal + * resonator will need to provide their own input clock. + */ + if (test_mode_pin(MODE_PIN9)) + return -EINVAL; + + clk = clk_get(NULL, "extal"); + if (IS_ERR(clk)) + return PTR_ERR(clk); + ret = clk_set_rate(clk, 33333333); + clk_put(clk); + + return ret; +} + /* Initialize the board */ static void __init urquell_setup(char **cmdline_p) { printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n"); pm_power_off = urquell_power_off; + + register_smp_ops(&shx3_smp_ops); } /* @@ -159,4 +216,6 @@ static struct sh_machine_vector mv_urquell __initmv = { .mv_name = "Urquell", .mv_setup = urquell_setup, .mv_init_irq = urquell_init_irq, + .mv_mode_pins = urquell_mode_pins, + .mv_clk_init = urquell_clk_init, }; |