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fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
134 lines
3.3 KiB
Diff
134 lines
3.3 KiB
Diff
From dda4110e4b365da5a520e8c2e3964d556206881d Mon Sep 17 00:00:00 2001
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From: warmcat <andy@warmcat.com>
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Date: Sun, 13 Apr 2008 07:25:52 +0100
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Subject: [PATCH] debug-glamo-dump-regs.patch
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From: Andy Green <andy@openmoko.com>
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Sigend-off-by: Andy Green <andy@openmoko.com>
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---
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drivers/mfd/glamo/glamo-core.c | 91 +++++++++++++++++++++++++++++++++++++++-
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1 files changed, 90 insertions(+), 1 deletions(-)
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diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
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index 4d8e47f..accd933 100644
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--- a/drivers/mfd/glamo/glamo-core.c
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+++ b/drivers/mfd/glamo/glamo-core.c
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@@ -977,10 +977,92 @@ static int glamo_supported(struct glamo_core *glamo)
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return 1;
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}
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+static ssize_t regs_write(struct device *dev, struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ unsigned long reg = simple_strtoul(buf, NULL, 10);
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+ struct glamo_core *glamo = dev_get_drvdata(dev);
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+
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+ while (*buf && (*buf != ' '))
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+ buf++;
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+ if (*buf != ' ')
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+ return -EINVAL;
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+ while (*buf && (*buf == ' '))
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+ buf++;
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+ if (!*buf)
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+ return -EINVAL;
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+
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+ printk(KERN_INFO"reg 0x%02lX <-- 0x%04lX\n",
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+ reg, simple_strtoul(buf, NULL, 10));
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+
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+ __reg_write(glamo, reg, simple_strtoul(buf, NULL, 10));
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+
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+ return count;
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+}
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+
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+static ssize_t regs_read(struct device *dev, struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct glamo_core *glamo = dev_get_drvdata(dev);
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+ int n, n1 = 0, r;
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+ char * end = buf;
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+ struct reg_range {
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+ int start;
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+ int count;
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+ char * name;
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+ };
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+ struct reg_range reg_range[] = {
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+ { 0x0000, 0x200, "General" },
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+ { 0x0200, 0x100, "Host Bus" },
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+ { 0x0300, 0x100, "Memory" },
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+/* { 0x0400, 0x100, "Sensor" },
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+ { 0x0500, 0x300, "ISP" },
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+ { 0x0800, 0x400, "JPEG" },
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+ { 0x0c00, 0x500, "MPEG" },
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+ { 0x1100, 0x400, "LCD" },
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+ { 0x1500, 0x080, "MPU 0" },
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+ { 0x1580, 0x080, "MPU 1" },
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+ { 0x1600, 0x080, "Command Queue" },
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+ { 0x1680, 0x080, "RISC CPU" },
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+ { 0x1700, 0x400, "2D Unit" },
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+ { 0x1b00, 0x900, "3D Unit" },
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+*/
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+ };
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+
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+ spin_lock(&glamo->lock);
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+
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+ for (r = 0; r < ARRAY_SIZE(reg_range); r++) {
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+ n1 = 0;
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+ end += sprintf(end, "\n%s\n\n", reg_range[r].name);
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+ for (n = reg_range[r].start;
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+ n < reg_range[r].start + reg_range[r].count; n += 2) {
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+ if (((n1++) & 7) == 0)
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+ end += sprintf(end, "\n%04X: ",
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+ n + reg_range[r].start);
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+ end += sprintf(end, "%04x ", __reg_read(glamo, n));
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+ }
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+ end += sprintf(end, "\n");
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+ }
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+ spin_unlock(&glamo->lock);
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+
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+ return end - buf;
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+}
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+
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+static DEVICE_ATTR(regs, 0644, regs_read, regs_write);
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+static struct attribute *glamo_sysfs_entries[] = {
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+ &dev_attr_regs.attr,
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+ NULL
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+};
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+static struct attribute_group glamo_attr_group = {
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+ .name = NULL,
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+ .attrs = glamo_sysfs_entries,
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+};
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+
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+
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static int __init glamo_probe(struct platform_device *pdev)
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{
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- int rc, irq;
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+ int rc = 0, irq;
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struct glamo_core *glamo;
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if (glamo_handle) {
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@@ -1080,6 +1162,12 @@ static int __init glamo_probe(struct platform_device *pdev)
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goto out_free;
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}
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+ rc = sysfs_create_group(&pdev->dev.kobj, &glamo_attr_group);
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+ if (rc < 0) {
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+ dev_err(&pdev->dev, "cannot create sysfs group\n");
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+ goto out_free;
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+ }
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+
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platform_set_drvdata(pdev, glamo);
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dev_dbg(&glamo->pdev->dev, "running init script\n");
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@@ -1103,6 +1191,7 @@ static int __init glamo_probe(struct platform_device *pdev)
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glamo->irq_works = 1;
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} else
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glamo->irq_works = 0;
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+
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return 0;
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out_free:
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--
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1.5.6.5
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