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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sh/boards/board-sh7785lcr.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/boards/board-sh7785lcr.c')
-rw-r--r--arch/sh/boards/board-sh7785lcr.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c
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+++ b/arch/sh/boards/board-sh7785lcr.c
@@ -0,0 +1,384 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas Technology Corp. R0P7785LC0011RL Support.
+ *
+ * Copyright (C) 2008 Yoshihiro Shimoda
+ * Copyright (C) 2009 Paul Mundt
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/sm501.h>
+#include <linux/sm501-regs.h>
+#include <linux/fb.h>
+#include <linux/mtd/physmap.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/platform_data/i2c-pca-platform.h>
+#include <linux/i2c-algo-pca.h>
+#include <linux/usb/r8a66597.h>
+#include <linux/sh_intc.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/errno.h>
+#include <linux/gpio/machine.h>
+#include <mach/sh7785lcr.h>
+#include <cpu/sh7785.h>
+#include <asm/heartbeat.h>
+#include <asm/clock.h>
+#include <asm/bl_bit.h>
+
+/*
+ * NOTE: This board has 2 physical memory maps.
+ * Please look at include/asm-sh/sh7785lcr.h or hardware manual.
+ */
+static struct resource heartbeat_resource = {
+ .start = PLD_LEDCR,
+ .end = PLD_LEDCR,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &heartbeat_resource,
+};
+
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 512 * 1024,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 4 * 1024 * 1024,
+ },
+ {
+ .name = "data",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 4,
+ .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 r8a66597_platdata r8a66597_data = {
+ .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
+ .vif = 1,
+};
+
+static struct resource r8a66597_usb_host_resources[] = {
+ [0] = {
+ .start = R8A66597_ADDR,
+ .end = R8A66597_ADDR + R8A66597_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = evt2irq(0x240),
+ .end = evt2irq(0x240),
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device r8a66597_usb_host_device = {
+ .name = "r8a66597_hcd",
+ .id = -1,
+ .dev = {
+ .dma_mask = NULL,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &r8a66597_data,
+ },
+ .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources),
+ .resource = r8a66597_usb_host_resources,
+};
+
+static struct resource sm501_resources[] = {
+ [0] = {
+ .start = SM107_MEM_ADDR,
+ .end = SM107_MEM_ADDR + SM107_MEM_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = SM107_REG_ADDR,
+ .end = SM107_REG_ADDR + SM107_REG_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = evt2irq(0x340),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct fb_videomode sm501_default_mode_crt = {
+ .pixclock = 35714, /* 28MHz */
+ .xres = 640,
+ .yres = 480,
+ .left_margin = 105,
+ .right_margin = 16,
+ .upper_margin = 33,
+ .lower_margin = 10,
+ .hsync_len = 39,
+ .vsync_len = 2,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct fb_videomode sm501_default_mode_pnl = {
+ .pixclock = 40000, /* 25MHz */
+ .xres = 640,
+ .yres = 480,
+ .left_margin = 2,
+ .right_margin = 16,
+ .upper_margin = 33,
+ .lower_margin = 10,
+ .hsync_len = 39,
+ .vsync_len = 2,
+ .sync = 0,
+};
+
+static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
+ .def_bpp = 16,
+ .def_mode = &sm501_default_mode_pnl,
+ .flags = SM501FB_FLAG_USE_INIT_MODE |
+ SM501FB_FLAG_USE_HWCURSOR |
+ SM501FB_FLAG_USE_HWACCEL |
+ SM501FB_FLAG_DISABLE_AT_EXIT |
+ SM501FB_FLAG_PANEL_NO_VBIASEN,
+};
+
+static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
+ .def_bpp = 16,
+ .def_mode = &sm501_default_mode_crt,
+ .flags = SM501FB_FLAG_USE_INIT_MODE |
+ SM501FB_FLAG_USE_HWCURSOR |
+ SM501FB_FLAG_USE_HWACCEL |
+ SM501FB_FLAG_DISABLE_AT_EXIT,
+};
+
+static struct sm501_platdata_fb sm501_fb_pdata = {
+ .fb_route = SM501_FB_OWN,
+ .fb_crt = &sm501_pdata_fbsub_crt,
+ .fb_pnl = &sm501_pdata_fbsub_pnl,
+};
+
+static struct sm501_initdata sm501_initdata = {
+ .gpio_high = {
+ .set = 0x00001fe0,
+ .mask = 0x0,
+ },
+ .devices = 0,
+ .mclk = 84 * 1000000,
+ .m1xclk = 112 * 1000000,
+};
+
+static struct sm501_platdata sm501_platform_data = {
+ .init = &sm501_initdata,
+ .fb = &sm501_fb_pdata,
+};
+
+static struct platform_device sm501_device = {
+ .name = "sm501",
+ .id = -1,
+ .dev = {
+ .platform_data = &sm501_platform_data,
+ },
+ .num_resources = ARRAY_SIZE(sm501_resources),
+ .resource = sm501_resources,
+};
+
+static struct resource i2c_proto_resources[] = {
+ [0] = {
+ .start = PCA9564_PROTO_32BIT_ADDR,
+ .end = PCA9564_PROTO_32BIT_ADDR + PCA9564_SIZE - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+ },
+ [1] = {
+ .start = evt2irq(0x380),
+ .end = evt2irq(0x380),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource i2c_resources[] = {
+ [0] = {
+ .start = PCA9564_ADDR,
+ .end = PCA9564_ADDR + PCA9564_SIZE - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+ },
+ [1] = {
+ .start = evt2irq(0x380),
+ .end = evt2irq(0x380),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct gpiod_lookup_table i2c_gpio_table = {
+ .dev_id = "i2c.0",
+ .table = {
+ GPIO_LOOKUP("pfc-sh7757", 0, "reset-gpios", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct i2c_pca9564_pf_platform_data i2c_platform_data = {
+ .i2c_clock_speed = I2C_PCA_CON_330kHz,
+ .timeout = HZ,
+};
+
+static struct platform_device i2c_device = {
+ .name = "i2c-pca-platform",
+ .id = -1,
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
+ .num_resources = ARRAY_SIZE(i2c_resources),
+ .resource = i2c_resources,
+};
+
+static struct platform_device *sh7785lcr_devices[] __initdata = {
+ &heartbeat_device,
+ &nor_flash_device,
+ &r8a66597_usb_host_device,
+ &sm501_device,
+ &i2c_device,
+};
+
+static struct i2c_board_info __initdata sh7785lcr_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("r2025sd", 0x32),
+ },
+};
+
+static int __init sh7785lcr_devices_setup(void)
+{
+ i2c_register_board_info(0, sh7785lcr_i2c_devices,
+ ARRAY_SIZE(sh7785lcr_i2c_devices));
+
+ if (mach_is_sh7785lcr_pt()) {
+ i2c_device.resource = i2c_proto_resources;
+ i2c_device.num_resources = ARRAY_SIZE(i2c_proto_resources);
+ }
+
+ gpiod_add_lookup_table(&i2c_gpio_table);
+ return platform_add_devices(sh7785lcr_devices,
+ ARRAY_SIZE(sh7785lcr_devices));
+}
+device_initcall(sh7785lcr_devices_setup);
+
+/* Initialize IRQ setting */
+void __init init_sh7785lcr_IRQ(void)
+{
+ plat_irq_setup_pins(IRQ_MODE_IRQ7654);
+ plat_irq_setup_pins(IRQ_MODE_IRQ3210);
+}
+
+static int sh7785lcr_clk_init(void)
+{
+ struct clk *clk;
+ int ret;
+
+ clk = clk_get(NULL, "extal");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ ret = clk_set_rate(clk, 33333333);
+ clk_put(clk);
+
+ return ret;
+}
+
+static void sh7785lcr_power_off(void)
+{
+ unsigned char *p;
+
+ p = ioremap(PLD_POFCR, PLD_POFCR + 1);
+ if (!p) {
+ printk(KERN_ERR "%s: ioremap error.\n", __func__);
+ return;
+ }
+ *p = 0x01;
+ iounmap(p);
+ set_bl_bit();
+ while (1)
+ cpu_relax();
+}
+
+/* Initialize the board */
+static void __init sh7785lcr_setup(char **cmdline_p)
+{
+ void __iomem *sm501_reg;
+
+ printk(KERN_INFO "Renesas Technology Corp. R0P7785LC0011RL support.\n");
+
+ pm_power_off = sh7785lcr_power_off;
+
+ /* sm501 DRAM configuration */
+ sm501_reg = ioremap(SM107_REG_ADDR, SM501_DRAM_CONTROL);
+ if (!sm501_reg) {
+ printk(KERN_ERR "%s: ioremap error.\n", __func__);
+ return;
+ }
+
+ writel(0x000307c2, sm501_reg + SM501_DRAM_CONTROL);
+ iounmap(sm501_reg);
+}
+
+/* Return the board specific boot mode pin configuration */
+static int sh7785lcr_mode_pins(void)
+{
+ int value = 0;
+
+ /* These are the factory default settings of S1 and S2.
+ * If you change these dip switches then you will need to
+ * adjust the values below as well.
+ */
+ value |= MODE_PIN4; /* Clock Mode 16 */
+ value |= MODE_PIN5; /* 32-bit Area0 bus width */
+ value |= MODE_PIN6; /* 32-bit Area0 bus width */
+ value |= MODE_PIN7; /* Area 0 SRAM interface [fixed] */
+ value |= MODE_PIN8; /* Little Endian */
+ value |= MODE_PIN9; /* Master Mode */
+ value |= MODE_PIN14; /* No PLL step-up */
+
+ return value;
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_sh7785lcr __initmv = {
+ .mv_name = "SH7785LCR",
+ .mv_setup = sh7785lcr_setup,
+ .mv_clk_init = sh7785lcr_clk_init,
+ .mv_init_irq = init_sh7785lcr_IRQ,
+ .mv_mode_pins = sh7785lcr_mode_pins,
+};
+