diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1104-debug-glamo-dump-regs.patch.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1104-debug-glamo-dump-regs.patch.patch | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1104-debug-glamo-dump-regs.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1104-debug-glamo-dump-regs.patch.patch new file mode 100644 index 0000000..8e1c07d --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1104-debug-glamo-dump-regs.patch.patch @@ -0,0 +1,133 @@ +From dda4110e4b365da5a520e8c2e3964d556206881d Mon Sep 17 00:00:00 2001 +From: warmcat <andy@warmcat.com> +Date: Sun, 13 Apr 2008 07:25:52 +0100 +Subject: [PATCH] debug-glamo-dump-regs.patch + From: Andy Green <andy@openmoko.com> + +Sigend-off-by: Andy Green <andy@openmoko.com> +--- + drivers/mfd/glamo/glamo-core.c | 91 +++++++++++++++++++++++++++++++++++++++- + 1 files changed, 90 insertions(+), 1 deletions(-) + +diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c +index 4d8e47f..accd933 100644 +--- a/drivers/mfd/glamo/glamo-core.c ++++ b/drivers/mfd/glamo/glamo-core.c +@@ -977,10 +977,92 @@ static int glamo_supported(struct glamo_core *glamo) + return 1; + } + ++static ssize_t regs_write(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ unsigned long reg = simple_strtoul(buf, NULL, 10); ++ struct glamo_core *glamo = dev_get_drvdata(dev); ++ ++ while (*buf && (*buf != ' ')) ++ buf++; ++ if (*buf != ' ') ++ return -EINVAL; ++ while (*buf && (*buf == ' ')) ++ buf++; ++ if (!*buf) ++ return -EINVAL; ++ ++ printk(KERN_INFO"reg 0x%02lX <-- 0x%04lX\n", ++ reg, simple_strtoul(buf, NULL, 10)); ++ ++ __reg_write(glamo, reg, simple_strtoul(buf, NULL, 10)); ++ ++ return count; ++} ++ ++static ssize_t regs_read(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct glamo_core *glamo = dev_get_drvdata(dev); ++ int n, n1 = 0, r; ++ char * end = buf; ++ struct reg_range { ++ int start; ++ int count; ++ char * name; ++ }; ++ struct reg_range reg_range[] = { ++ { 0x0000, 0x200, "General" }, ++ { 0x0200, 0x100, "Host Bus" }, ++ { 0x0300, 0x100, "Memory" }, ++/* { 0x0400, 0x100, "Sensor" }, ++ { 0x0500, 0x300, "ISP" }, ++ { 0x0800, 0x400, "JPEG" }, ++ { 0x0c00, 0x500, "MPEG" }, ++ { 0x1100, 0x400, "LCD" }, ++ { 0x1500, 0x080, "MPU 0" }, ++ { 0x1580, 0x080, "MPU 1" }, ++ { 0x1600, 0x080, "Command Queue" }, ++ { 0x1680, 0x080, "RISC CPU" }, ++ { 0x1700, 0x400, "2D Unit" }, ++ { 0x1b00, 0x900, "3D Unit" }, ++*/ ++ }; ++ ++ spin_lock(&glamo->lock); ++ ++ for (r = 0; r < ARRAY_SIZE(reg_range); r++) { ++ n1 = 0; ++ end += sprintf(end, "\n%s\n\n", reg_range[r].name); ++ for (n = reg_range[r].start; ++ n < reg_range[r].start + reg_range[r].count; n += 2) { ++ if (((n1++) & 7) == 0) ++ end += sprintf(end, "\n%04X: ", ++ n + reg_range[r].start); ++ end += sprintf(end, "%04x ", __reg_read(glamo, n)); ++ } ++ end += sprintf(end, "\n"); ++ } ++ spin_unlock(&glamo->lock); ++ ++ return end - buf; ++} ++ ++static DEVICE_ATTR(regs, 0644, regs_read, regs_write); ++static struct attribute *glamo_sysfs_entries[] = { ++ &dev_attr_regs.attr, ++ NULL ++}; ++static struct attribute_group glamo_attr_group = { ++ .name = NULL, ++ .attrs = glamo_sysfs_entries, ++}; ++ ++ + + static int __init glamo_probe(struct platform_device *pdev) + { +- int rc, irq; ++ int rc = 0, irq; + struct glamo_core *glamo; + + if (glamo_handle) { +@@ -1080,6 +1162,12 @@ static int __init glamo_probe(struct platform_device *pdev) + goto out_free; + } + ++ rc = sysfs_create_group(&pdev->dev.kobj, &glamo_attr_group); ++ if (rc < 0) { ++ dev_err(&pdev->dev, "cannot create sysfs group\n"); ++ goto out_free; ++ } ++ + platform_set_drvdata(pdev, glamo); + + dev_dbg(&glamo->pdev->dev, "running init script\n"); +@@ -1103,6 +1191,7 @@ static int __init glamo_probe(struct platform_device *pdev) + glamo->irq_works = 1; + } else + glamo->irq_works = 0; ++ + return 0; + + out_free: +-- +1.5.6.5 + |