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path: root/target/linux/generic-2.6/patches-2.6.22/011-mips_boot.patch
blob: f96c939f57d0c75152150327ed4e5e580cca5761 (plain) 
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Index: linux-2.6.22.19/arch/mips/kernel/head.S
===================================================================
--- linux-2.6.22.19.orig/arch/mips/kernel/head.S
+++ linux-2.6.22.19/arch/mips/kernel/head.S
@@ -129,11 +129,15 @@
 #endif
 	.endm
 
+
+	j kernel_entry
+	nop
+
 	/*
 	 * Reserved space for exception handlers.
 	 * Necessary for machines which link their kernels at KSEG0.
 	 */
-	.fill	0x400
+	.align 10
 
 EXPORT(stext)					# used for profiling
 EXPORT(_stext)
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-11 10:19:02 +0000
unction */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1863,6 +1863,50 @@ static const struct file_operations fops
 };
 
 
+static ssize_t read_file_diag(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_hw *ah = sc->sc_ah;
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "0x%08lx\n", ah->diag);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_diag(struct file *file, const char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_hw *ah = sc->sc_ah;
+	unsigned long diag;
+	char buf[32];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (strict_strtoul(buf, 0, &diag))
+		return -EINVAL;
+
+	ah->diag = diag;
+	ath9k_hw_update_diag(ah);
+
+	return count;
+}
+
+static const struct file_operations fops_diag = {
+	.read = read_file_diag,
+	.write = write_file_diag,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -1888,6 +1932,8 @@ int ath9k_init_debug(struct ath_hw *ah)
 	debugfs_create_file("gpio_led", S_IWUSR,
 			   sc->debug.debugfs_phy, sc, &fops_gpio_led);
 #endif
+	debugfs_create_file("diag", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+			    sc, &fops_diag);
 	debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_dma);
 	debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -499,6 +499,12 @@ enum {
 	ATH9K_RESET_COLD,
 };
 
+enum {
+	ATH_DIAG_DISABLE_RX,
+	ATH_DIAG_DISABLE_TX,
+	ATH_DIAG_TRIGGER_ERROR,
+};
+
 struct ath9k_hw_version {
 	u32 magic;
 	u16 devid;
@@ -738,6 +744,8 @@ struct ath_hw {
 	u32 rfkill_polarity;
 	u32 ah_flags;
 
+	unsigned long diag;
+
 	bool reset_power_on;
 	bool htc_reset_init;
 
@@ -1002,6 +1010,7 @@ void ath9k_hw_set_sta_beacon_timers(stru
 bool ath9k_hw_check_alive(struct ath_hw *ah);
 
 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
+void ath9k_hw_update_diag(struct ath_hw *ah);
 
 #ifdef CONFIG_ATH9K_DEBUGFS
 void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1747,6 +1747,20 @@ fail:
 	return -EINVAL;
 }
 
+void ath9k_hw_update_diag(struct ath_hw *ah)
+{
+	if (test_bit(ATH_DIAG_DISABLE_RX, &ah->diag))
+		REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
+	else
+		REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
+
+	if (test_bit(ATH_DIAG_DISABLE_TX, &ah->diag))
+		REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
+	else
+		REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
+}
+EXPORT_SYMBOL(ath9k_hw_update_diag);
+
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		   struct ath9k_hw_cal_data *caldata, bool fastcc)
 {
@@ -2024,6 +2038,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 	}
 
 	ath9k_hw_apply_gpio_override(ah);
+	ath9k_hw_update_diag(ah);
 
 	if (AR_SREV_9565(ah) && ah->shared_chain_lnadiv)
 		REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -463,6 +463,11 @@ irqreturn_t ath_isr(int irq, void *dev)
 	ath9k_hw_getisr(ah, &status);	/* NB: clears ISR too */
 	status &= ah->imask;	/* discard unasked-for bits */
 
+	if (test_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag)) {
+		status |= ATH9K_INT_FATAL;
+		clear_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag);
+	}
+
 	/*
 	 * If there are no status bits set, then this interrupt was not
 	 * for me (should have been caught above).
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-11 10:19:02 +0000