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-rw-r--r--arch/mips/au1000/pb1000/Makefile8
-rw-r--r--arch/mips/au1000/pb1000/board_setup.c110
-rw-r--r--arch/mips/au1000/pb1000/init.c20
-rw-r--r--include/asm-mips/mach-pb1x00/pb1000.h189
4 files changed, 122 insertions, 205 deletions
diff --git a/arch/mips/au1000/pb1000/Makefile b/arch/mips/au1000/pb1000/Makefile
index daa1a50..99bbec0 100644
--- a/arch/mips/au1000/pb1000/Makefile
+++ b/arch/mips/au1000/pb1000/Makefile
@@ -1,8 +1,8 @@
#
-# Copyright 2000 MontaVista Software Inc.
-# Author: MontaVista Software, Inc.
-# ppopov@mvista.com or source@mvista.com
+# Copyright 2000, 2008 MontaVista Software Inc.
+# Author: MontaVista Software, Inc. <source@mvista.com>
+#
+# Makefile for the Alchemy Semiconductor Pb1000 board.
#
-# Makefile for the Alchemy Semiconductor PB1000 board.
lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/au1000/pb1000/board_setup.c
index 33f15ac..a06c653 100644
--- a/arch/mips/au1000/pb1000/board_setup.c
+++ b/arch/mips/au1000/pb1000/board_setup.c
@@ -1,7 +1,6 @@
/*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -40,106 +39,108 @@ void __init board_setup(void)
u32 sys_freqctrl, sys_clksrc;
u32 prid = read_c0_prid();
- // set AUX clock to 12MHz * 8 = 96 MHz
+ /* Set AUX clock to 12 MHz * 8 = 96 MHz */
au_writel(8, SYS_AUXPLL);
au_writel(0, SYS_PINSTATERD);
udelay(100);
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
- /* zero and disable FREQ2 */
+ /* Zero and disable FREQ2 */
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
- /* zero and disable USBH/USBD clocks */
+ /* Zero and disable USBH/USBD clocks */
sys_clksrc = au_readl(SYS_CLKSRC);
- sys_clksrc &= ~0x00007FE0;
+ sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+ SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
au_writel(sys_clksrc, SYS_CLKSRC);
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
sys_clksrc = au_readl(SYS_CLKSRC);
- sys_clksrc &= ~0x00007FE0;
+ sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
+ SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
- switch (prid & 0x000000FF)
- {
+ switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
- /* CPU core freq to 48MHz to slow it way down... */
- au_writel(4, SYS_CPUPLL);
+ /* CPU core freq to 48 MHz to slow it way down... */
+ au_writel(4, SYS_CPUPLL);
- /*
- * Setup 48MHz FREQ2 from CPUPLL for USB Host
- */
- /* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */
- sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20));
- au_writel(sys_freqctrl, SYS_FREQCTRL0);
+ /*
+ * Setup 48 MHz FREQ2 from CPUPLL for USB Host
+ * FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz
+ */
+ sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2;
+ au_writel(sys_freqctrl, SYS_FREQCTRL0);
- /* CPU core freq to 384MHz */
- au_writel(0x20, SYS_CPUPLL);
+ /* CPU core freq to 384 MHz */
+ au_writel(0x20, SYS_CPUPLL);
- printk("Au1000: 48MHz OHCI workaround enabled\n");
+ printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n");
break;
- default: /* HC and newer */
- // FREQ2 = aux/2 = 48 MHz
- sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
- au_writel(sys_freqctrl, SYS_FREQCTRL0);
+ default: /* HC and newer */
+ /* FREQ2 = aux / 2 = 48 MHz */
+ sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
+ SYS_FC_FE2 | SYS_FC_FS2;
+ au_writel(sys_freqctrl, SYS_FREQCTRL0);
break;
}
/*
- * Route 48MHz FREQ2 into USB Host and/or Device
+ * Route 48 MHz FREQ2 into USB Host and/or Device
*/
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
- sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
-#endif
+ sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
au_writel(sys_clksrc, SYS_CLKSRC);
- // configure pins GPIO[14:9] as GPIO
- pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080);
+ /* Configure pins GPIO[14:9] as GPIO */
+ pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB);
- // 2nd USB port is USB host
- pin_func |= 0x8000;
+ /* 2nd USB port is USB host */
+ pin_func |= SYS_PF_USB;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0x2800, SYS_TRIOUTCLR);
au_writel(0x0030, SYS_OUTPUTCLR);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
- // make gpio 15 an input (for interrupt line)
- pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x100);
- // we don't need I2S, so make it available for GPIO[31:29]
- pin_func |= (1<<5);
+ /* Make GPIO 15 an input (for interrupt line) */
+ pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF;
+ /* We don't need I2S, so make it available for GPIO[31:29] */
+ pin_func |= SYS_PF_I2S;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0x8000, SYS_TRIOUTCLR);
- static_cfg0 = au_readl(MEM_STCFG0) & (u32)(~0xc00);
+ static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
au_writel(static_cfg0, MEM_STCFG0);
- // configure RCE2* for LCD
+ /* configure RCE2* for LCD */
au_writel(0x00000004, MEM_STCFG2);
- // MEM_STTIME2
+ /* MEM_STTIME2 */
au_writel(0x09000000, MEM_STTIME2);
- // Set 32-bit base address decoding for RCE2*
+ /* Set 32-bit base address decoding for RCE2* */
au_writel(0x10003ff0, MEM_STADDR2);
- // PCI CPLD setup
- // expand CE0 to cover PCI
+ /*
+ * PCI CPLD setup
+ * Expand CE0 to cover PCI
+ */
au_writel(0x11803e40, MEM_STADDR1);
- // burst visibility on
+ /* Burst visibility on */
au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0);
- au_writel(0x83, MEM_STCFG1); // ewait enabled, flash timing
- au_writel(0x33030a10, MEM_STTIME1); // slower timing for FPGA
+ au_writel(0x83, MEM_STCFG1); /* ewait enabled, flash timing */
+ au_writel(0x33030a10, MEM_STTIME1); /* slower timing for FPGA */
- /* setup the static bus controller */
+ /* Setup the static bus controller */
au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
@@ -151,17 +152,20 @@ void __init board_setup(void)
au_sync_delay(1);
#endif
- /* Enable Au1000 BCLK switching - note: sed1356 must not use
- * its BCLK (Au1000 LCLK) for any timings */
- switch (prid & 0x000000FF)
- {
+ /*
+ * Enable Au1000 BCLK switching - note: sed1356 must not use
+ * its BCLK (Au1000 LCLK) for any timings
+ */
+ switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
break;
default: /* HC and newer */
- /* Enable sys bus clock divider when IDLE state or no bus
- activity. */
+ /*
+ * Enable sys bus clock divider when IDLE state or no bus
+ * activity.
+ */
au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
break;
}
diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c
index 549447df7..3837365 100644
--- a/arch/mips/au1000/pb1000/init.c
+++ b/arch/mips/au1000/pb1000/init.c
@@ -1,10 +1,9 @@
/*
* BRIEF MODULE DESCRIPTION
- * PB1000 board setup
+ * Pb1000 board setup
*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -44,16 +43,15 @@ void __init prom_init(void)
unsigned char *memsize_str;
unsigned long memsize;
- prom_argc = (int) fw_arg0;
- prom_argv = (char **) fw_arg1;
- prom_envp = (char **) fw_arg2;
+ prom_argc = (int)fw_arg0;
+ prom_argv = (char **)fw_arg1;
+ prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
- if (!memsize_str) {
+ if (!memsize_str)
memsize = 0x04000000;
- } else {
- memsize = simple_strtol(memsize_str, NULL, 0);
- }
+ else
+ memsize = strict_strtol(memsize_str, 0, NULL);
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
diff --git a/include/asm-mips/mach-pb1x00/pb1000.h b/include/asm-mips/mach-pb1x00/pb1000.h
index b52e0e7..6d1ff90 100644
--- a/include/asm-mips/mach-pb1x00/pb1000.h
+++ b/include/asm-mips/mach-pb1x00/pb1000.h
@@ -1,9 +1,8 @@
/*
- * Alchemy Semi PB1000 Referrence Board
+ * Alchemy Semi Pb1000 Referrence Board
*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
+ * Copyright 2001, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
*
* ########################################################################
*
@@ -28,145 +27,61 @@
#define __ASM_PB1000_H
/* PCMCIA PB1000 specific defines */
-#define PCMCIA_MAX_SOCK 1
-#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
-
-#define PB1000_PCR 0xBE000000
-# define PCR_SLOT_0_VPP0 (1<<0)
-# define PCR_SLOT_0_VPP1 (1<<1)
-# define PCR_SLOT_0_VCC0 (1<<2)
-# define PCR_SLOT_0_VCC1 (1<<3)
-# define PCR_SLOT_0_RST (1<<4)
-
-# define PCR_SLOT_1_VPP0 (1<<8)
-# define PCR_SLOT_1_VPP1 (1<<9)
-# define PCR_SLOT_1_VCC0 (1<<10)
-# define PCR_SLOT_1_VCC1 (1<<11)
-# define PCR_SLOT_1_RST (1<<12)
-
-#define PB1000_MDR 0xBE000004
-# define MDR_PI (1<<5) /* pcmcia int latch */
-# define MDR_EPI (1<<14) /* enable pcmcia int */
-# define MDR_CPI (1<<15) /* clear pcmcia int */
-
-#define PB1000_ACR1 0xBE000008
-# define ACR1_SLOT_0_CD1 (1<<0) /* card detect 1 */
-# define ACR1_SLOT_0_CD2 (1<<1) /* card detect 2 */
-# define ACR1_SLOT_0_READY (1<<2) /* ready */
-# define ACR1_SLOT_0_STATUS (1<<3) /* status change */
-# define ACR1_SLOT_0_VS1 (1<<4) /* voltage sense 1 */
-# define ACR1_SLOT_0_VS2 (1<<5) /* voltage sense 2 */
-# define ACR1_SLOT_0_INPACK (1<<6) /* inpack pin status */
-# define ACR1_SLOT_1_CD1 (1<<8) /* card detect 1 */
-# define ACR1_SLOT_1_CD2 (1<<9) /* card detect 2 */
-# define ACR1_SLOT_1_READY (1<<10) /* ready */
-# define ACR1_SLOT_1_STATUS (1<<11) /* status change */
-# define ACR1_SLOT_1_VS1 (1<<12) /* voltage sense 1 */
-# define ACR1_SLOT_1_VS2 (1<<13) /* voltage sense 2 */
-# define ACR1_SLOT_1_INPACK (1<<14) /* inpack pin status */
-
-#define CPLD_AUX0 0xBE00000C
-#define CPLD_AUX1 0xBE000010
-#define CPLD_AUX2 0xBE000014
+#define PCMCIA_MAX_SOCK 1
+#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
+
+#define PB1000_PCR 0xBE000000
+# define PCR_SLOT_0_VPP0 (1 << 0)
+# define PCR_SLOT_0_VPP1 (1 << 1)
+# define PCR_SLOT_0_VCC0 (1 << 2)
+# define PCR_SLOT_0_VCC1 (1 << 3)
+# define PCR_SLOT_0_RST (1 << 4)
+# define PCR_SLOT_1_VPP0 (1 << 8)
+# define PCR_SLOT_1_VPP1 (1 << 9)
+# define PCR_SLOT_1_VCC0 (1 << 10)
+# define PCR_SLOT_1_VCC1 (1 << 11)
+# define PCR_SLOT_1_RST (1 << 12)
+
+#define PB1000_MDR 0xBE000004
+# define MDR_PI (1 << 5) /* PCMCIA int latch */
+# define MDR_EPI (1 << 14) /* enable PCMCIA int */
+# define MDR_CPI (1 << 15) /* clear PCMCIA int */
+
+#define PB1000_ACR1 0xBE000008
+# define ACR1_SLOT_0_CD1 (1 << 0) /* card detect 1 */
+# define ACR1_SLOT_0_CD2 (1 << 1) /* card detect 2 */
+# define ACR1_SLOT_0_READY (1 << 2) /* ready */
+# define ACR1_SLOT_0_STATUS (1 << 3) /* status change */
+# define ACR1_SLOT_0_VS1 (1 << 4) /* voltage sense 1 */
+# define ACR1_SLOT_0_VS2 (1 << 5) /* voltage sense 2 */
+# define ACR1_SLOT_0_INPACK (1 << 6) /* inpack pin status */
+# define ACR1_SLOT_1_CD1 (1 << 8) /* card detect 1 */
+# define ACR1_SLOT_1_CD2 (1 << 9) /* card detect 2 */
+# define ACR1_SLOT_1_READY (1 << 10) /* ready */
+# define ACR1_SLOT_1_STATUS (1 << 11) /* status change */
+# define ACR1_SLOT_1_VS1 (1 << 12) /* voltage sense 1 */
+# define ACR1_SLOT_1_VS2 (1 << 13) /* voltage sense 2 */
+# define ACR1_SLOT_1_INPACK (1 << 14) /* inpack pin status */
+
+#define CPLD_AUX0 0xBE00000C
+#define CPLD_AUX1 0xBE000010
+#define CPLD_AUX2 0xBE000014
/* Voltage levels */
/* VPPEN1 - VPPEN0 */
-#define VPP_GND ((0<<1) | (0<<0))
-#define VPP_5V ((1<<1) | (0<<0))
-#define VPP_3V ((0<<1) | (1<<0))
-#define VPP_12V ((0<<1) | (1<<0))
-#define VPP_HIZ ((1<<1) | (1<<0))
+#define VPP_GND ((0 << 1) | (0 << 0))
+#define VPP_5V ((1 << 1) | (0 << 0))
+#define VPP_3V ((0 << 1) | (1 << 0))
+#define VPP_12V ((0 << 1) | (1 << 0))
+#define VPP_HIZ ((1 << 1) | (1 << 0))
/* VCCEN1 - VCCEN0 */
-#define VCC_3V ((0<<1) | (1<<0))
-#define VCC_5V ((1<<1) | (0<<0))
-#define VCC_HIZ ((0<<1) | (0<<0))
+#define VCC_3V ((0 << 1) | (1 << 0))
+#define VCC_5V ((1 << 1) | (0 << 0))
+#define VCC_HIZ ((0 << 1) | (0 << 0))
/* VPP/VCC */
-#define SET_VCC_VPP(VCC, VPP, SLOT)\
- ((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
-
-
-/* PCI PB1000 specific defines */
-/* The reason these defines are here instead of au1000.h is because
- * the Au1000 does not have a PCI bus controller so the PCI implementation
- * on the some of the older Pb1000 boards was very board specific.
- */
-#define PCI_CONFIG_BASE 0xBA020000 /* the only external slot */
-
-#define SDRAM_DEVID 0xBA010000
-#define SDRAM_CMD 0xBA010004
-#define SDRAM_CLASS 0xBA010008
-#define SDRAM_MISC 0xBA01000C
-#define SDRAM_MBAR 0xBA010010
-
-#define PCI_IO_DATA_PORT 0xBA800000
-
-#define PCI_IO_ADDR 0xBE00001C
-#define PCI_INT_ACK 0xBBC00000
-#define PCI_IO_READ 0xBBC00020
-#define PCI_IO_WRITE 0xBBC00030
-
-#define PCI_BRIDGE_CONFIG 0xBE000018
-
-#define PCI_IO_START 0x10000000
-#define PCI_IO_END 0x1000ffff
-#define PCI_MEM_START 0x18000000
-#define PCI_MEM_END 0x18ffffff
-
-#define PCI_FIRST_DEVFN 0
-#define PCI_LAST_DEVFN 1
-
-static inline u8 au_pci_io_readb(u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
- return (readl(PCI_IO_DATA_PORT) & 0xff);
-}
-
-static inline u16 au_pci_io_readw(u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
- return (readl(PCI_IO_DATA_PORT) & 0xffff);
-}
-
-static inline u32 au_pci_io_readl(u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff), PCI_BRIDGE_CONFIG);
- return readl(PCI_IO_DATA_PORT);
-}
-
-static inline void au_pci_io_writeb(u8 val, u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
- writel(val, PCI_IO_DATA_PORT);
-}
-
-static inline void au_pci_io_writew(u16 val, u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
- writel(val, PCI_IO_DATA_PORT);
-}
-
-static inline void au_pci_io_writel(u32 val, u32 addr)
-{
- writel(addr, PCI_IO_ADDR);
- writel(readl(PCI_BRIDGE_CONFIG) & 0xffffcfff, PCI_BRIDGE_CONFIG);
- writel(val, PCI_IO_DATA_PORT);
-}
-
-static inline void set_sdram_extbyte(void)
-{
- writel(readl(PCI_BRIDGE_CONFIG) & 0xffffff00, PCI_BRIDGE_CONFIG);
-}
-
-static inline void set_slot_extbyte(void)
-{
- writel((readl(PCI_BRIDGE_CONFIG) & 0xffffbf00) | 0x18, PCI_BRIDGE_CONFIG);
-}
+#define SET_VCC_VPP(VCC, VPP, SLOT) \
+ ((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#endif /* __ASM_PB1000_H */
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