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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/boards/board-urquell.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/boards/board-urquell.c')
-rw-r--r--arch/sh/boards/board-urquell.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c
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+++ b/arch/sh/boards/board-urquell.c
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+// SPDX-License-Identifier: GPL-2.0
+/*
+ * 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
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/smc91x.h>
+#include <linux/mtd/physmap.h>
+#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 <linux/sizes.h>
+#include <asm/smp-ops.h>
+
+/*
+ * 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
+ */
+
+/* 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,
+ .num_resources = 1,
+ .resource = &heartbeat_resource,
+};
+
+/* LAN91C111 */
+static struct smc91x_platdata smc91x_info = {
+ .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+};
+
+static struct resource smc91x_eth_resources[] = {
+ [0] = {
+ .name = "SMC91C111" ,
+ .start = 0x05800300,
+ .end = 0x0580030f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = evt2irq(0x360),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smc91x_eth_device = {
+ .name = "smc91x",
+ .num_resources = ARRAY_SIZE(smc91x_eth_resources),
+ .resource = smc91x_eth_resources,
+ .dev = {
+ .platform_data = &smc91x_info,
+ },
+};
+
+/* Nor Flash */
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE, /* Read-only */
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_512K,
+ .mask_flags = MTD_WRITEABLE, /* Read-only */
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ },
+ {
+ .name = "data",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 2,
+ .parts = nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+ [0] = {
+ .start = NOR_FLASH_ADDR,
+ .end = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device nor_flash_device = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &nor_flash_data,
+ },
+ .num_resources = ARRAY_SIZE(nor_flash_resources),
+ .resource = nor_flash_resources,
+};
+
+static struct platform_device *urquell_devices[] __initdata = {
+ &heartbeat_device,
+ &smc91x_eth_device,
+ &nor_flash_device,
+};
+
+static int __init urquell_devices_setup(void)
+{
+ /* USB */
+ 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));
+}
+device_initcall(urquell_devices_setup);
+
+static void urquell_power_off(void)
+{
+ __raw_writew(0xa5a5, UBOARDREG(SRSTR));
+}
+
+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);
+}
+
+/*
+ * The Machine Vector
+ */
+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,
+};