more AR7 cleanups & fixes

SVN-Revision: 8758

6 files changed, 86 insertions, 105 deletions

diff --git a/target/linux/ar7/files/arch/mips/ar7/clock.c b/target/linux/ar7/files/arch/mips/ar7/clock.c
index 055cd5be95..042b080d6b 100644
--- a/target/linux/ar7/files/arch/mips/ar7/clock.c
+++ b/target/linux/ar7/files/arch/mips/ar7/clock.c
@@ -24,41 +24,41 @@
 #include <asm/io.h>
 #include <asm/ar7/ar7.h>
 
-#define BOOT_PLL_SOURCE_MASK 0x3
-#define CPU_PLL_SOURCE_SHIFT 16
-#define BUS_PLL_SOURCE_SHIFT 14
-#define USB_PLL_SOURCE_SHIFT 18
-#define DSP_PLL_SOURCE_SHIFT 22
-#define BOOT_PLL_SOURCE_AFE 0
-#define BOOT_PLL_SOURCE_BUS 0
-#define BOOT_PLL_SOURCE_REF 1
-#define BOOT_PLL_SOURCE_XTAL 2
-#define BOOT_PLL_SOURCE_CPU 3
-#define BOOT_PLL_BYPASS 0x00000020
-#define BOOT_PLL_ASYNC_MODE 0x02000000
-#define BOOT_PLL_2TO1_MODE 0x00008000
-
-#define TNETD7200_CLOCK_ID_CPU 0
-#define TNETD7200_CLOCK_ID_DSP 1
-#define TNETD7200_CLOCK_ID_USB 2
-
-#define TNETD7200_DEF_CPU_CLK 211000000
-#define TNETD7200_DEF_DSP_CLK 125000000
-#define TNETD7200_DEF_USB_CLK 48000000
+#define BOOT_PLL_SOURCE_MASK	0x3
+#define CPU_PLL_SOURCE_SHIFT	16
+#define BUS_PLL_SOURCE_SHIFT	14
+#define USB_PLL_SOURCE_SHIFT	18
+#define DSP_PLL_SOURCE_SHIFT	22
+#define BOOT_PLL_SOURCE_AFE	0
+#define BOOT_PLL_SOURCE_BUS	0
+#define BOOT_PLL_SOURCE_REF	1
+#define BOOT_PLL_SOURCE_XTAL	2
+#define BOOT_PLL_SOURCE_CPU	3
+#define BOOT_PLL_BYPASS		0x00000020
+#define BOOT_PLL_ASYNC_MODE	0x02000000
+#define BOOT_PLL_2TO1_MODE	0x00008000
+
+#define TNETD7200_CLOCK_ID_CPU	0
+#define TNETD7200_CLOCK_ID_DSP	1
+#define TNETD7200_CLOCK_ID_USB	2
+
+#define TNETD7200_DEF_CPU_CLK	211000000
+#define TNETD7200_DEF_DSP_CLK	125000000
+#define TNETD7200_DEF_USB_CLK	48000000
 
 struct tnetd7300_clock {
 	volatile u32 ctrl;
-#define PREDIV_MASK 0x001f0000
-#define PREDIV_SHIFT 16
-#define POSTDIV_MASK 0x0000001f
+#define PREDIV_MASK	0x001f0000
+#define PREDIV_SHIFT	16
+#define POSTDIV_MASK	0x0000001f
 	u32 unused1[3];
 	volatile u32 pll;
-#define MUL_MASK 0x0000f000
-#define MUL_SHIFT 12
-#define PLL_MODE_MASK 0x00000001
-#define PLL_NDIV 0x00000800
-#define PLL_DIV 0x00000002
-#define PLL_STATUS 0x00000001
+#define MUL_MASK	0x0000f000
+#define MUL_SHIFT	12
+#define PLL_MODE_MASK	0x00000001
+#define PLL_NDIV	0x00000800
+#define PLL_DIV		0x00000002
+#define PLL_STATUS	0x00000001
 	u32 unused2[3];
 } __attribute__ ((packed));
 
diff --git a/target/linux/ar7/files/drivers/mtd/ar7part.c b/target/linux/ar7/files/drivers/mtd/ar7part.c
index b8c0ed0b2e..aa2508f90d 100644
--- a/target/linux/ar7/files/drivers/mtd/ar7part.c
+++ b/target/linux/ar7/files/drivers/mtd/ar7part.c
@@ -59,7 +59,7 @@ static int create_mtd_partitions(struct mtd_info *master,
 	ar7_parts[1].size = master->erasesize;
 	ar7_parts[1].mask_flags = 0;
 
-	do {
+	do { /* Try 10 blocks starting from master->erasesize */
 		offset = pre_size;
 		master->read(master, offset,
 			sizeof(header), &len, (u_char *)&header);
diff --git a/target/linux/ar7/files/drivers/net/cpmac.c b/target/linux/ar7/files/drivers/net/cpmac.c
index a8ed84ec8d..7a46248d06 100644
--- a/target/linux/ar7/files/drivers/net/cpmac.c
+++ b/target/linux/ar7/files/drivers/net/cpmac.c
@@ -86,18 +86,18 @@ struct cpmac_regs {
 	u32 unused1[56];
 	u32 mbp;
 /* MBP bits */
-#define MBP_RXPASSCRC         0x40000000
-#define MBP_RXQOS             0x20000000
-#define MBP_RXNOCHAIN         0x10000000
-#define MBP_RXCMF             0x01000000
-#define MBP_RXSHORT           0x00800000
-#define MBP_RXCEF             0x00400000
-#define MBP_RXPROMISC         0x00200000
-#define MBP_PROMISCCHAN(chan) (((chan) & 0x7) << 16)
-#define MBP_RXBCAST           0x00002000
-#define MBP_BCASTCHAN(chan)   (((chan) & 0x7) << 8)
-#define MBP_RXMCAST           0x00000020
-#define MBP_MCASTCHAN(chan)   ((chan) & 0x7)
+#define MBP_RXPASSCRC		0x40000000
+#define MBP_RXQOS		0x20000000
+#define MBP_RXNOCHAIN		0x10000000
+#define MBP_RXCMF		0x01000000
+#define MBP_RXSHORT		0x00800000
+#define MBP_RXCEF		0x00400000
+#define MBP_RXPROMISC		0x00200000
+#define MBP_PROMISCCHAN(chan)	(((chan) & 0x7) << 16)
+#define MBP_RXBCAST		0x00002000
+#define MBP_BCASTCHAN(chan)	(((chan) & 0x7) << 8)
+#define MBP_RXMCAST		0x00000020
+#define MBP_MCASTCHAN(chan)	((chan) & 0x7)
 	u32 unicast_enable;
 	u32 unicast_clear;
 	u32 max_len;
@@ -107,27 +107,27 @@ struct cpmac_regs {
 	u32 flow_thre[8];
 	u32 free_buffer[8];
 	u32 mac_control;
-#define MAC_TXPTYPE  0x00000200
-#define MAC_TXPACE   0x00000040
-#define MAC_MII      0x00000020
-#define MAC_TXFLOW   0x00000010
-#define MAC_RXFLOW   0x00000008
-#define MAC_MTEST    0x00000004
-#define MAC_LOOPBACK 0x00000002
-#define MAC_FDX      0x00000001
+#define MAC_TXPTYPE	0x00000200
+#define MAC_TXPACE	0x00000040
+#define MAC_MII		0x00000020
+#define MAC_TXFLOW	0x00000010
+#define MAC_RXFLOW	0x00000008
+#define MAC_MTEST	0x00000004
+#define MAC_LOOPBACK	0x00000002
+#define MAC_FDX		0x00000001
 	u32 mac_status;
-#define MACST_QOS    0x4
-#define MACST_RXFLOW 0x2
-#define MACST_TXFLOW 0x1
+#define MACST_QOS	0x4
+#define MACST_RXFLOW	0x2
+#define MACST_TXFLOW	0x1
 	u32 emc_control;
 	u32 unused3;
 	struct cpmac_int_regs tx_int;
 	u32 mac_int_vector;
 /* Int Status bits */
-#define INTST_STATUS 0x80000
-#define INTST_HOST   0x40000
-#define INTST_RX     0x20000
-#define INTST_TX     0x10000
+#define INTST_STATUS	0x80000
+#define INTST_HOST	0x40000
+#define INTST_RX	0x20000
+#define INTST_TX	0x10000
 	u32 mac_eoi_vector;
 	u32 unused4[2];
 	struct cpmac_int_regs rx_int;
@@ -158,24 +158,24 @@ struct cpmac_regs {
 struct cpmac_mdio_regs {
 	u32 version;
 	volatile u32 control;
-#define MDIOC_IDLE        0x80000000
-#define MDIOC_ENABLE      0x40000000
-#define MDIOC_PREAMBLE    0x00100000
-#define MDIOC_FAULT       0x00080000
-#define MDIOC_FAULTDETECT 0x00040000
-#define MDIOC_INTTEST     0x00020000
-#define MDIOC_CLKDIV(div) ((div) & 0xff)
+#define MDIOC_IDLE		0x80000000
+#define MDIOC_ENABLE		0x40000000
+#define MDIOC_PREAMBLE		0x00100000
+#define MDIOC_FAULT		0x00080000
+#define MDIOC_FAULTDETECT	0x00040000
+#define MDIOC_INTTEST		0x00020000
+#define MDIOC_CLKDIV(div)	((div) & 0xff)
 	volatile u32 alive;
 	u32 link;
 	struct cpmac_int_regs link_int;
 	struct cpmac_int_regs user_int;
 	u32 unused[20];
 	volatile u32 access;
-#define MDIO_BUSY       0x80000000
-#define MDIO_WRITE      0x40000000
-#define MDIO_REG(reg)   (((reg) & 0x1f) << 21)
-#define MDIO_PHY(phy)   (((phy) & 0x1f) << 16)
-#define MDIO_DATA(data) ((data) & 0xffff)
+#define MDIO_BUSY	0x80000000
+#define MDIO_WRITE	0x40000000
+#define MDIO_REG(reg)	(((reg) & 0x1f) << 21)
+#define MDIO_PHY(phy)	(((phy) & 0x1f) << 16)
+#define MDIO_DATA(data)	((data) & 0xffff)
 	u32 physel;
 } __attribute__ ((packed));
 
@@ -222,10 +222,10 @@ static int cpmac_stop(struct net_device *dev);
 static int cpmac_open(struct net_device *dev);
 
 #undef CPMAC_DEBUG
-#define CPMAC_LOW_THRESH 32
-#define CPMAC_ALLOC_SIZE 64
-#define CPMAC_SKB_SIZE 1518
-#define CPMAC_TX_RING_SIZE 8
+#define CPMAC_LOW_THRESH	32
+#define CPMAC_ALLOC_SIZE	64
+#define CPMAC_SKB_SIZE		1518
+#define CPMAC_TX_RING_SIZE	8
 
 #ifdef CPMAC_DEBUG
 static void cpmac_dump_regs(u32 *base, int count)
@@ -1089,7 +1089,6 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 		dev->weight = min(rx_ring_size, 64);
 	}
 
-	memset(priv, 0, sizeof(struct cpmac_priv));
 	spin_lock_init(&priv->lock);
 	priv->msg_enable = netif_msg_init(NETIF_MSG_WOL, 0x3fff);
 	priv->config = pdata;
diff --git a/target/linux/ar7/files/include/asm-mips/gpio.h b/target/linux/ar7/files/include/asm-mips/gpio.h
deleted file mode 100644
index e69de29bb2..0000000000
--- a/target/linux/ar7/files/include/asm-mips/gpio.h
+++ /dev/null
diff --git a/target/linux/ar7/patches-2.6.22/100-board_support.patch b/target/linux/ar7/patches-2.6.22/100-board_support.patch
index 0a226f52e5..ee86a14304 100644
--- a/target/linux/ar7/patches-2.6.22/100-board_support.patch
+++ b/target/linux/ar7/patches-2.6.22/100-board_support.patch
@@ -26,37 +26,31 @@ diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
 diff -urN linux-2.6.22/arch/mips/kernel/traps.c linux-2.6.22.new/arch/mips/kernel/traps.c
 --- linux-2.6.22/arch/mips/kernel/traps.c	2007-07-09 01:32:17.000000000 +0200
 +++ linux-2.6.22.new/arch/mips/kernel/traps.c	2007-07-11 02:32:39.000000000 +0200
-@@ -1051,11 +1051,6 @@
- unsigned long exception_handlers[32];
- unsigned long vi_handlers[64];
- 
--/*
-- * As a side effect of the way this is implemented we're limited
-- * to interrupt handlers in the address range from
-- * KSEG0 <= x < KSEG0 + 256mb on the Nevada.  Oh well ...
-- */
- void *set_except_vector(int n, void *addr)
- {
- 	unsigned long handler = (unsigned long) addr;
-@@ -1063,9 +1058,15 @@
+@@ -1075,9 +1075,23 @@ void *set_except_vector(int n, void *addr)
  
  	exception_handlers[n] = handler;
  	if (n == 0 && cpu_has_divec) {
--		*(volatile u32 *)(ebase + 0x200) = 0x08000000 |
--		                                 (0x03ffffff & (handler >> 2));
--		flush_icache_range(ebase + 0x200, ebase + 0x204);
++#ifdef CONFIG_AR7
 +		/* lui k0, 0x0000 */
-+		*(volatile u32 *)(CAC_BASE+0x200) = 0x3c1a0000 | (handler >> 16);
++		*(volatile u32 *)(CAC_BASE+0x200) =
++				0x3c1a0000 | (handler >> 16);
 +		/* ori k0, 0x0000 */
-+		*(volatile u32 *)(CAC_BASE+0x204) = 0x375a0000 | (handler & 0xffff);
++		*(volatile u32 *)(CAC_BASE+0x204) =
++				0x375a0000 | (handler & 0xffff);
 +		/* jr k0 */
 +		*(volatile u32 *)(CAC_BASE+0x208) = 0x03400008;
 +		/* nop */
 +		*(volatile u32 *)(CAC_BASE+0x20C) = 0x00000000;
 +		flush_icache_range(CAC_BASE+0x200, CAC_BASE+0x210);
++#else
+ 		*(volatile u32 *)(ebase + 0x200) = 0x08000000 |
+ 		                                 (0x03ffffff & (handler >> 2));
+ 		flush_icache_range(ebase + 0x200, ebase + 0x204);
++#endif
  	}
  	return (void *)old_handler;
  }
+
 diff -urN linux-2.6.22/arch/mips/Makefile linux-2.6.22.new/arch/mips/Makefile
 --- linux-2.6.22/arch/mips/Makefile	2007-07-09 01:32:17.000000000 +0200
 +++ linux-2.6.22.new/arch/mips/Makefile	2007-07-11 02:32:39.000000000 +0200
diff --git a/target/linux/ar7/patches-2.6.22/500-serial_kludge.patch b/target/linux/ar7/patches-2.6.22/500-serial_kludge.patch
index da38903a32..9292a4cefc 100644
--- a/target/linux/ar7/patches-2.6.22/500-serial_kludge.patch
+++ b/target/linux/ar7/patches-2.6.22/500-serial_kludge.patch
@@ -48,15 +48,3 @@ diff -urN linux-2.6.22.orig/include/linux/serialP.h linux-2.6.22/include/linux/s
  #else
  #define ALPHA_KLUDGE_MCR 0
  #endif
-diff -urN linux-2.6.22.orig/scripts/setlocalversion linux-2.6.22/scripts/setlocalversion
---- linux-2.6.22.orig/scripts/setlocalversion	2007-07-09 01:32:17.000000000 +0200
-+++ linux-2.6.22/scripts/setlocalversion	2007-07-11 03:08:57.000000000 +0200
-@@ -1,6 +1,8 @@
- #!/bin/sh
- # Print additional version information for non-release trees.
- 
-+exit 0
-+
- usage() {
- 	echo "Usage: $0 [srctree]" >&2
- 	exit 1