[PATCH 3/6] ppc32: Change constants style in Freescale MPC52xx related code
Sylvain Munaut
tnt at 246tNt.com
Tue Mar 22 10:08:17 EST 2005
ppc32: Change constants style in Freescale MPC52xx related code
This patch changes the way the constants used for register block
address are defined/used. This is a preparation for the use of
the platform bus / ppc_sys model.
Signed-off-by: Sylvain Munaut <tnt at 246tNt.com>
---
diff -Nru a/arch/ppc/boot/simple/mpc52xx_tty.c b/arch/ppc/boot/simple/mpc52xx_tty.c
--- a/arch/ppc/boot/simple/mpc52xx_tty.c 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/boot/simple/mpc52xx_tty.c 2005-03-21 20:10:10 +01:00
@@ -20,32 +20,31 @@
#include <asm/io.h>
#include <asm/time.h>
-#if MPC52xx_PF_CONSOLE_PORT == 0
-#define MPC52xx_CONSOLE MPC52xx_PSC1
-#define MPC52xx_PSC_CONFIG_SHIFT 0
-#elif MPC52xx_PF_CONSOLE_PORT == 1
-#define MPC52xx_CONSOLE MPC52xx_PSC2
-#define MPC52xx_PSC_CONFIG_SHIFT 4
-#elif MPC52xx_PF_CONSOLE_PORT == 2
-#define MPC52xx_CONSOLE MPC52xx_PSC3
-#define MPC52xx_PSC_CONFIG_SHIFT 8
+
+#ifdef MPC52xx_PF_CONSOLE_PORT
+#define MPC52xx_CONSOLE MPC52xx_PSCx_OFFSET(MPC52xx_PF_CONSOLE_PORT)
+#define MPC52xx_PSC_CONFIG_SHIFT ((MPC52xx_PF_CONSOLE_PORT-1)<<2)
#else
#error "MPC52xx_PF_CONSOLE_PORT not defined"
#endif
static struct mpc52xx_psc __iomem *psc =
- (struct mpc52xx_psc __iomem *) MPC52xx_CONSOLE;
+ (struct mpc52xx_psc __iomem *) MPC52xx_PA(MPC52xx_CONSOLE);
/* The decrementer counts at the system bus clock frequency
* divided by four. The most accurate time base is connected to the
- * rtc. We read the decrementer change during one rtc tick (one second)
- * and multiply by 4 to get the system bus clock frequency.
+ * rtc. We read the decrementer change during one rtc tick
+ * and multiply by 4 to get the system bus clock frequency. Since a
+ * rtc tick is one seconds, and that's pretty long, we change the rtc
+ * dividers temporarly to set them 64x faster ;)
*/
static int
mpc52xx_ipbfreq(void)
{
- struct mpc52xx_rtc __iomem *rtc = (struct mpc52xx_rtc __iomem *)MPC52xx_RTC;
- struct mpc52xx_cdm __iomem *cdm = (struct mpc52xx_cdm __iomem *)MPC52xx_CDM;
+ struct mpc52xx_rtc __iomem *rtc =
+ (struct mpc52xx_rtc __iomem *) MPC52xx_PA(MPC52xx_RTC_OFFSET);
+ struct mpc52xx_cdm __iomem *cdm =
+ (struct mpc52xx_cdm __iomem *) MPC52xx_PA(MPC52xx_CDM_OFFSET);
int current_time, previous_time;
int tbl_start, tbl_end;
int xlbfreq, ipbfreq;
@@ -68,7 +67,8 @@
unsigned long
serial_init(int ignored, void *ignored2)
{
- struct mpc52xx_gpio __iomem *gpio = (struct mpc52xx_gpio __iomem *)MPC52xx_GPIO;
+ struct mpc52xx_gpio __iomem *gpio =
+ (struct mpc52xx_gpio __iomem *) MPC52xx_PA(MPC52xx_GPIO_OFFSET);
int divisor;
int mode1;
int mode2;
diff -Nru a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
--- a/arch/ppc/platforms/lite5200.c 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/platforms/lite5200.c 2005-03-21 20:10:10 +01:00
@@ -73,8 +73,8 @@
u32 intr_ctrl;
/* Map zones */
- xlb = ioremap(MPC52xx_XLB,sizeof(struct mpc52xx_xlb));
- intr = ioremap(MPC52xx_INTR,sizeof(struct mpc52xx_intr));
+ xlb = ioremap(MPC52xx_PA(MPC52xx_XLB_OFFSET), MPC52xx_XLB_SIZE);
+ intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE);
if (!xlb || !intr) {
printk("lite5200.c: Error while mapping XLB/INTR during "
diff -Nru a/arch/ppc/platforms/lite5200.h b/arch/ppc/platforms/lite5200.h
--- a/arch/ppc/platforms/lite5200.h 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/platforms/lite5200.h 2005-03-21 20:10:10 +01:00
@@ -17,7 +17,7 @@
#define __PLATFORMS_LITE5200_H__
/* Serial port used for low-level debug */
-#define MPC52xx_PF_CONSOLE_PORT 0 /* PSC1 */
+#define MPC52xx_PF_CONSOLE_PORT 1 /* PSC1 */
#endif /* __PLATFORMS_LITE5200_H__ */
diff -Nru a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c
--- a/arch/ppc/syslib/mpc52xx_pci.c 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/syslib/mpc52xx_pci.c 2005-03-21 20:10:10 +01:00
@@ -183,7 +183,7 @@
pci_assign_all_busses = 1;
- pci_regs = ioremap(MPC52xx_PCI, sizeof(struct mpc52xx_pci));
+ pci_regs = ioremap(MPC52xx_PA(MPC52xx_PCI_OFFSET), MPC52xx_PCI_SIZE);
if (!pci_regs)
return;
diff -Nru a/arch/ppc/syslib/mpc52xx_pic.c b/arch/ppc/syslib/mpc52xx_pic.c
--- a/arch/ppc/syslib/mpc52xx_pic.c 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/syslib/mpc52xx_pic.c 2005-03-21 20:10:10 +01:00
@@ -180,8 +180,8 @@
u32 intr_ctrl;
/* Remap the necessary zones */
- intr = ioremap(MPC52xx_INTR, sizeof(struct mpc52xx_intr));
- sdma = ioremap(MPC52xx_SDMA, sizeof(struct mpc52xx_sdma));
+ intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE);
+ sdma = ioremap(MPC52xx_PA(MPC52xx_SDMA_OFFSET), MPC52xx_SDMA_SIZE);
if ((intr==NULL) || (sdma==NULL))
panic("Can't ioremap PIC/SDMA register for init_irq !");
diff -Nru a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c
--- a/arch/ppc/syslib/mpc52xx_setup.c 2005-03-21 20:10:10 +01:00
+++ b/arch/ppc/syslib/mpc52xx_setup.c 2005-03-21 20:10:10 +01:00
@@ -38,8 +38,7 @@
void
mpc52xx_restart(char *cmd)
{
- struct mpc52xx_gpt __iomem *gpt0 =
- (struct mpc52xx_gpt __iomem *) MPC52xx_GPTx(0);
+ struct mpc52xx_gpt __iomem *gpt0 = MPC52xx_VA(MPC52xx_GPTx_OFFSET(0));
local_irq_disable();
@@ -92,9 +91,7 @@
#ifdef CONFIG_SERIAL_TEXT_DEBUG
-#ifdef MPC52xx_PF_CONSOLE_PORT
-#define MPC52xx_CONSOLE MPC52xx_PSCx(MPC52xx_PF_CONSOLE_PORT)
-#else
+#ifndef MPC52xx_PF_CONSOLE_PORT
#error "mpc52xx PSC for console not selected"
#endif
@@ -110,8 +107,9 @@
mpc52xx_progress(char *s, unsigned short hex)
{
char c;
- struct mpc52xx_psc __iomem *psc =
- (struct mpc52xx_psc __iomem *)MPC52xx_CONSOLE;
+ struct mpc52xx_psc __iomem *psc;
+
+ psc = MPC52xx_VA(MPC52xx_PSCx_OFFSET(MPC52xx_PF_CONSOLE_PORT));
while ((c = *s++) != 0) {
if (c == '\n')
@@ -140,7 +138,7 @@
u32 sdram_config_0, sdram_config_1;
/* Temp BAT2 mapping active when this is called ! */
- mmap_ctl = (struct mpc52xx_mmap_ctl __iomem *) MPC52xx_MMAP_CTL;
+ mmap_ctl = MPC52xx_VA(MPC52xx_MMAP_CTL_OFFSET);
sdram_config_0 = in_be32(&mmap_ctl->sdram0);
sdram_config_1 = in_be32(&mmap_ctl->sdram1);
@@ -170,8 +168,8 @@
struct mpc52xx_rtc __iomem *rtc;
struct mpc52xx_cdm __iomem *cdm;
- rtc = ioremap(MPC52xx_RTC, sizeof(struct mpc52xx_rtc));
- cdm = ioremap(MPC52xx_CDM, sizeof(struct mpc52xx_cdm));
+ rtc = ioremap(MPC52xx_PA(MPC52xx_RTC_OFFSET), MPC52xx_RTC_SIZE);
+ cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
if ((rtc==NULL) || (cdm==NULL))
panic("Can't ioremap RTC/CDM while computing bus freq");
diff -Nru a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
--- a/include/asm-ppc/mpc52xx.h 2005-03-21 20:10:10 +01:00
+++ b/include/asm-ppc/mpc52xx.h 2005-03-21 20:10:10 +01:00
@@ -10,7 +10,7 @@
* Originally written by Dale Farnsworth <dfarnsworth at mvista.com>
* for the 2.4 kernel.
*
- * Copyright (C) 2004 Sylvain Munaut <tnt at 246tNt.com>
+ * Copyright (C) 2004-2005 Sylvain Munaut <tnt at 246tNt.com>
* Copyright (C) 2003 MontaVista, Software, Inc.
*
* This file is licensed under the terms of the GNU General Public License
@@ -32,46 +32,67 @@
/* ======================================================================== */
/* Main registers/struct addresses */
/* ======================================================================== */
-/* Theses are PHYSICAL addresses ! */
-/* TODO : There should be no static mapping, but it's not yet the case, so */
-/* we require a 1:1 mapping */
+/* MBAR position */
#define MPC52xx_MBAR 0xf0000000 /* Phys address */
-#define MPC52xx_MBAR_SIZE 0x00010000
#define MPC52xx_MBAR_VIRT 0xf0000000 /* Virt address */
+#define MPC52xx_MBAR_SIZE 0x00010000
+
+#define MPC52xx_PA(x) ((phys_addr_t)(MPC52xx_MBAR + (x)))
+#define MPC52xx_VA(x) ((void __iomem *)(MPC52xx_MBAR_VIRT + (x)))
-#define MPC52xx_MMAP_CTL (MPC52xx_MBAR + 0x0000)
-#define MPC52xx_SDRAM (MPC52xx_MBAR + 0x0100)
-#define MPC52xx_CDM (MPC52xx_MBAR + 0x0200)
-#define MPC52xx_SFTRST (MPC52xx_MBAR + 0x0220)
-#define MPC52xx_SFTRST_BIT 0x01000000
-#define MPC52xx_INTR (MPC52xx_MBAR + 0x0500)
-#define MPC52xx_GPTx(x) (MPC52xx_MBAR + 0x0600 + ((x)<<4))
-#define MPC52xx_RTC (MPC52xx_MBAR + 0x0800)
-#define MPC52xx_MSCAN1 (MPC52xx_MBAR + 0x0900)
-#define MPC52xx_MSCAN2 (MPC52xx_MBAR + 0x0980)
-#define MPC52xx_GPIO (MPC52xx_MBAR + 0x0b00)
-#define MPC52xx_GPIO_WKUP (MPC52xx_MBAR + 0x0c00)
-#define MPC52xx_PCI (MPC52xx_MBAR + 0x0d00)
-#define MPC52xx_USB_OHCI (MPC52xx_MBAR + 0x1000)
-#define MPC52xx_SDMA (MPC52xx_MBAR + 0x1200)
-#define MPC52xx_XLB (MPC52xx_MBAR + 0x1f00)
-#define MPC52xx_PSCx(x) (MPC52xx_MBAR + 0x2000 + ((x)<<9))
-#define MPC52xx_PSC1 (MPC52xx_MBAR + 0x2000)
-#define MPC52xx_PSC2 (MPC52xx_MBAR + 0x2200)
-#define MPC52xx_PSC3 (MPC52xx_MBAR + 0x2400)
-#define MPC52xx_PSC4 (MPC52xx_MBAR + 0x2600)
-#define MPC52xx_PSC5 (MPC52xx_MBAR + 0x2800)
-#define MPC52xx_PSC6 (MPC52xx_MBAR + 0x2C00)
-#define MPC52xx_FEC (MPC52xx_MBAR + 0x3000)
-#define MPC52xx_ATA (MPC52xx_MBAR + 0x3a00)
-#define MPC52xx_I2C1 (MPC52xx_MBAR + 0x3d00)
-#define MPC52xx_I2C_MICR (MPC52xx_MBAR + 0x3d20)
-#define MPC52xx_I2C2 (MPC52xx_MBAR + 0x3d40)
+/* Registers zone offset/size */
+#define MPC52xx_MMAP_CTL_OFFSET 0x0000
+#define MPC52xx_MMAP_CTL_SIZE 0x068
+#define MPC52xx_SDRAM_OFFSET 0x0100
+#define MPC52xx_SDRAM_SIZE 0x010
+#define MPC52xx_CDM_OFFSET 0x0200
+#define MPC52xx_CDM_SIZE 0x038
+#define MPC52xx_INTR_OFFSET 0x0500
+#define MPC52xx_INTR_SIZE 0x04c
+#define MPC52xx_GPTx_OFFSET(x) (0x0600 + ((x)<<4))
+#define MPC52xx_GPT_SIZE 0x010
+#define MPC52xx_RTC_OFFSET 0x0800
+#define MPC52xx_RTC_SIZE 0x024
+#define MPC52xx_MSCAN1_OFFSET 0x0900
+#define MPC52xx_MSCAN2_OFFSET 0x0980
+#define MPC52xx_MSCAN_SIZE 0x080
+#define MPC52xx_GPIO_OFFSET 0x0b00
+#define MPC52xx_GPIO_SIZE 0x040
+#define MPC52xx_GPIO_WKUP_OFFSET 0x0c00
+#define MPC52xx_GPIO_WKUP_SIZE 0x028
+#define MPC52xx_PCI_OFFSET 0x0d00
+#define MPC52xx_PCI_SIZE 0x100
+#define MPC52xx_SPI_OFFSET 0x0f00
+#define MPC52xx_SPI_SIZE 0x020
+#define MPC52xx_USB_OFFSET 0x1000
+#define MPC52xx_USB_SIZE 0x0a0
+#define MPC52xx_SDMA_OFFSET 0x1200
+#define MPC52xx_SDMA_SIZE 0x100
+#define MPC52xx_BDLC_OFFSET 0x1300
+#define MPC52xx_BDLC_SIZE 0x010
+#define MPC52xx_XLB_OFFSET 0x1f00
+#define MPC52xx_XLB_SIZE 0x100
+#define MPC52xx_PSC1_OFFSET 0x2000
+#define MPC52xx_PSC2_OFFSET 0x2200
+#define MPC52xx_PSC3_OFFSET 0x2400
+#define MPC52xx_PSC4_OFFSET 0x2600
+#define MPC52xx_PSC5_OFFSET 0x2800
+#define MPC52xx_PSC6_OFFSET 0x2c00
+#define MPC52xx_PSCx_OFFSET(x) (((x)!=6)?(0x1e00+((x)<<9)):0x2c00)
+#define MPC52xx_PSC_SIZE 0x0a0
+#define MPC52xx_FEC_OFFSET 0x3000
+#define MPC52xx_FEC_SIZE 0x400
+#define MPC52xx_ATA_OFFSET 0x3a00
+#define MPC52xx_ATA_SIZE 0x080
+#define MPC52xx_I2C1_OFFSET 0x3d00
+#define MPC52xx_I2C_MICR 0x3d20
+#define MPC52xx_I2C2_OFFSET 0x3d40
+#define MPC52xx_I2C_SIZE 0x020
/* SRAM used for SDMA */
-#define MPC52xx_SRAM (MPC52xx_MBAR + 0x8000)
-#define MPC52xx_SRAM_SIZE (16*1024)
+#define MPC52xx_SRAM_OFFSET 0x8000
+#define MPC52xx_SRAM_SIZE 0x4000
/* ======================================================================== */
@@ -118,11 +139,12 @@
#define MPC52xx_SPI_SPIF_IRQ (MPC52xx_PERP_IRQ_BASE + 14)
#define MPC52xx_I2C1_IRQ (MPC52xx_PERP_IRQ_BASE + 15)
#define MPC52xx_I2C2_IRQ (MPC52xx_PERP_IRQ_BASE + 16)
-#define MPC52xx_CAN1_IRQ (MPC52xx_PERP_IRQ_BASE + 17)
-#define MPC52xx_CAN2_IRQ (MPC52xx_PERP_IRQ_BASE + 18)
+#define MPC52xx_MSCAN1_IRQ (MPC52xx_PERP_IRQ_BASE + 17)
+#define MPC52xx_MSCAN2_IRQ (MPC52xx_PERP_IRQ_BASE + 18)
#define MPC52xx_IR_RX_IRQ (MPC52xx_PERP_IRQ_BASE + 19)
#define MPC52xx_IR_TX_IRQ (MPC52xx_PERP_IRQ_BASE + 20)
#define MPC52xx_XLB_ARB_IRQ (MPC52xx_PERP_IRQ_BASE + 21)
+#define MPC52xx_BDLC_IRQ (MPC52xx_PERP_IRQ_BASE + 22)
@@ -162,7 +184,7 @@
u32 cs6_start; /* MMAP_CTRL + 0x58 */
u32 cs6_stop; /* MMAP_CTRL + 0x5c */
u32 cs7_start; /* MMAP_CTRL + 0x60 */
- u32 cs7_stop; /* MMAP_CTRL + 0x60 */
+ u32 cs7_stop; /* MMAP_CTRL + 0x64 */
};
/* SDRAM control */
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