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ppc4xx: Some Rewood cleanups (coding style, leading white spaces)

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Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2008-07-11 11:34:52 +02:00
parent 3a82113ed5
commit 1d0554736a
2 changed files with 136 additions and 172 deletions
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296
board/amcc/redwood/redwood.c
View File

@ -41,9 +41,9 @@ static int bootdevice_selected(void);
static void early_reinit_EBC(int);
static void early_init_UIC(void);
/*----------------------------------------------------------------------------+
| Define Boot devices
+----------------------------------------------------------------------------*/
/*
* Define Boot devices
*/
#define BOOT_FROM_8BIT_SRAM 0x00
#define BOOT_FROM_16BIT_SRAM 0x01
#define BOOT_FROM_32BIT_SRAM 0x02
@ -51,11 +51,11 @@ static void early_init_UIC(void);
#define BOOT_FROM_16BIT_NOR 0x04
#define BOOT_DEVICE_UNKNOWN 0xff
/*----------------------------------------------------------------------------+
| EBC Devices Characteristics
| Peripheral Bank Access Parameters - EBC_BxAP
| Peripheral Bank Configuration Register - EBC_BxCR
+----------------------------------------------------------------------------*/
/*
* EBC Devices Characteristics
* Peripheral Bank Access Parameters - EBC_BxAP
* Peripheral Bank Configuration Register - EBC_BxCR
*/
/*
* 8 bit width SRAM
@ -64,19 +64,14 @@ static void early_init_UIC(void);
* B0CR : 0xff098000 - BAS = ff0 - 100 11 00 0000000000000
* B2CR : 0xe7098000 - BAS = e70 - 100 11 00 0000000000000
*/
#define EBC_BXAP_8BIT_SRAM EBC_BXAP_BME_DISABLED | \
EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | \
EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | \
EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | \
EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | \
EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | \
EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXAP_8BIT_SRAM \
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXAP_16BIT_SRAM EBC_BXAP_8BIT_SRAM
#define EBC_BXAP_32BIT_SRAM EBC_BXAP_8BIT_SRAM
@ -88,19 +83,14 @@ static void early_init_UIC(void);
* B0CR : 0xff09a000 - BAS = ff0 - 100 11 01 0000000000000
* B2CR : 0xe709a000 - BAS = e70 - 100 11 01 0000000000000
*/
#define EBC_BXAP_NAND EBC_BXAP_BME_DISABLED | \
EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | \
EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | \
EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | \
EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | \
EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | \
EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXAP_NAND \
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
/*
* NOR flash
@ -109,19 +99,14 @@ static void early_init_UIC(void);
* B0CR : 0xff09a000 - BAS = ff0 - 100 11 01 0000000000000
* B2CR : 0xe709a000 - BAS = e70 - 100 11 01 0000000000000
*/
#define EBC_BXAP_NOR EBC_BXAP_BME_DISABLED | \
EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | \
EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | \
EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | \
EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | \
EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | \
EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXAP_NOR \
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(7) | \
EBC_BXAP_BCE_DISABLE | EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(0) | EBC_BXAP_OEN_ENCODE(0) | \
EBC_BXAP_WBN_ENCODE(0) | EBC_BXAP_WBF_ENCODE(0) | \
EBC_BXAP_TH_ENCODE(0) | EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | EBC_BXAP_BEM_WRITEONLY | \
EBC_BXAP_PEN_DISABLED
/*
* FPGA
@ -129,74 +114,58 @@ static void early_init_UIC(void);
* B1AP = 0x05895240 - 0 00001011 0 00 10 01 01 01 001 0 0 1 0 00000
* B1CR = 0xe201a000 - BAS = e20 - 000 11 01 00000000000000
*/
#define EBC_BXAP_FPGA EBC_BXAP_BME_DISABLED | \
EBC_BXAP_TWT_ENCODE(11) | \
EBC_BXAP_BCE_DISABLE | \
EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(10) | \
EBC_BXAP_OEN_ENCODE(1) | \
EBC_BXAP_WBN_ENCODE(1) | \
EBC_BXAP_WBF_ENCODE(1) | \
EBC_BXAP_TH_ENCODE(1) | \
EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | \
EBC_BXAP_BEM_RW | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXAP_FPGA \
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(11) | \
EBC_BXAP_BCE_DISABLE | EBC_BXAP_BCT_2TRANS | \
EBC_BXAP_CSN_ENCODE(10) | EBC_BXAP_OEN_ENCODE(1) | \
EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) | \
EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_RE_DISABLED | \
EBC_BXAP_SOR_DELAYED | EBC_BXAP_BEM_RW | \
EBC_BXAP_PEN_DISABLED
#define EBC_BXCR_8BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFE00000) | \
EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_8BIT
#define EBC_BXCR_8BIT_SRAM_CS0 \
EBC_BXCR_BAS_ENCODE(0xFFE00000) | EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT
#define EBC_BXCR_32BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFC00000) | \
EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_32BIT
#define EBC_BXCR_32BIT_SRAM_CS0 \
EBC_BXCR_BAS_ENCODE(0xFFC00000) | EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT
#define EBC_BXCR_NAND_CS0 EBC_BXCR_BAS_ENCODE(0xFF000000) | \
EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_8BIT
#define EBC_BXCR_NAND_CS0 \
EBC_BXCR_BAS_ENCODE(0xFF000000) | EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT
#define EBC_BXCR_16BIT_SRAM_CS0 EBC_BXCR_BAS_ENCODE(0xFFE00000) | \
EBC_BXCR_BS_2MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_16BIT
#define EBC_BXCR_16BIT_SRAM_CS0 \
EBC_BXCR_BAS_ENCODE(0xFFE00000) | EBC_BXCR_BS_2MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT
#define EBC_BXCR_NOR_CS0 EBC_BXCR_BAS_ENCODE(0xFF000000) | \
EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_16BIT
#define EBC_BXCR_NOR_CS0 \
EBC_BXCR_BAS_ENCODE(0xFF000000) | EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT
#define EBC_BXCR_NOR_CS1 EBC_BXCR_BAS_ENCODE(0xE0000000) | \
EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_16BIT
#define EBC_BXCR_NOR_CS1 \
EBC_BXCR_BAS_ENCODE(0xE0000000) | EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT
#define EBC_BXCR_NAND_CS1 EBC_BXCR_BAS_ENCODE(0xE0000000) | \
EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_8BIT
#define EBC_BXCR_NAND_CS1 \
EBC_BXCR_BAS_ENCODE(0xE0000000) | EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT
#define EBC_BXCR_NAND_CS2 EBC_BXCR_BAS_ENCODE(0xC0000000) | \
EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_8BIT
#define EBC_BXCR_NAND_CS2 \
EBC_BXCR_BAS_ENCODE(0xC0000000) | EBC_BXCR_BS_128MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT
#define EBC_BXCR_SRAM_CS2 EBC_BXCR_BAS_ENCODE(0xC0000000) | \
EBC_BXCR_BS_4MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_32BIT
#define EBC_BXCR_SRAM_CS2 \
EBC_BXCR_BAS_ENCODE(0xC0000000) | EBC_BXCR_BS_4MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT
#define EBC_BXCR_LARGE_FLASH_CS2 EBC_BXCR_BAS_ENCODE(0xE7000000) | \
EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_16BIT
#define EBC_BXCR_LARGE_FLASH_CS2 \
EBC_BXCR_BAS_ENCODE(0xE7000000) | EBC_BXCR_BS_16MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT
#define EBC_BXCR_FPGA_CS3 EBC_BXCR_BAS_ENCODE(0xe2000000) | \
EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | \
EBC_BXCR_BW_16BIT
#define EBC_BXCR_FPGA_CS3 \
EBC_BXCR_BAS_ENCODE(0xE2000000) | EBC_BXCR_BS_1MB | \
EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT
/*****************************************************************************
* UBOOT initiated board specific function calls
@ -245,13 +214,12 @@ int checkboard(void)
static void early_init_EBC(void)
{
/*-------------------------------------------------------------------+
| Initialize EBC CONFIG -
| Keep the Default value, but the bit PDT which has to be set to 1 ?TBC
| default value :
| 0x07C00000 - 0 0 000 1 1 1 1 1 0000 0 00000 000000000000
|
+-------------------------------------------------------------------*/
/*
* Initialize EBC CONFIG -
* Keep the Default value, but the bit PDT which has to be set to 1 ?TBC
* default value :
* 0x07C00000 - 0 0 000 1 1 1 1 1 0000 0 00000 000000000000
*/
mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
EBC_CFG_PTD_ENABLE |
EBC_CFG_RTC_16PERCLK |
@ -261,16 +229,14 @@ static void early_init_EBC(void)
EBC_CFG_OEO_PREVIOUS |
EBC_CFG_EMC_DEFAULT | EBC_CFG_PME_DISABLE | EBC_CFG_PR_16);
/*-------------------------------------------------------------------+
|
| PART 1 : Initialize EBC Bank 3
| ==============================
| Bank1 is always associated to the EPLD.
| It has to be initialized prior to other banks settings computation
| since some board registers values may be needed to determine the
| boot type
|
+-------------------------------------------------------------------*/
/*
* PART 1 : Initialize EBC Bank 3
* ==============================
* Bank1 is always associated to the EPLD.
* It has to be initialized prior to other banks settings computation
* since some board registers values may be needed to determine the
* boot type
*/
mtebc(pb1ap, EBC_BXAP_FPGA);
mtebc(pb1cr, EBC_BXCR_FPGA_CS3);
@ -282,24 +248,23 @@ static int bootdevice_selected(void)
unsigned long bootstrap_settings;
int computed_boot_device = BOOT_DEVICE_UNKNOWN;
/*-------------------------------------------------------------------+
|
| Determine which boot device was selected
| =================================================
|
| Read Pin Strap Register in PPC460SX
| Result can either be :
| - Boot strap = boot from EBC 8bits => Small Flash
| - Boot strap = boot from PCI
| - Boot strap = IIC
| In case of boot from IIC, read Serial Device Strap Register1
|
| Result can either be :
| - Boot from EBC - EBC Bus Width = 8bits => Small Flash
| - Boot from EBC - EBC Bus Width = 16bits => Large Flash or SRAM
| - Boot from PCI
|
+-------------------------------------------------------------------*/
/*
* Determine which boot device was selected
* =================================================
*
* Read Pin Strap Register in PPC460SX
* Result can either be :
* - Boot strap = boot from EBC 8bits => Small Flash
* - Boot strap = boot from PCI
* - Boot strap = IIC
* In case of boot from IIC, read Serial Device Strap Register1
*
* Result can either be :
* - Boot from EBC - EBC Bus Width = 8bits => Small Flash
* - Boot from EBC - EBC Bus Width = 16bits => Large Flash or SRAM
* - Boot from PCI
*/
/* Read Pin Strap Register in PPC460SX */
mfsdr(SDR0_PINSTP, sdr0_pinstp);
bootstrap_settings = sdr0_pinstp & SDR0_PSTRP0_BOOTSTRAP_MASK;
@ -348,26 +313,25 @@ static int bootdevice_selected(void)
static void early_reinit_EBC(int computed_boot_device)
{
/*-------------------------------------------------------------------+
|
| Compute EBC settings depending on selected boot device
| ====== ======================================================
|
| Resulting EBC init will be among following configurations :
|
| - Boot from EBC 8bits => boot from Small Flash selected
| EBC-CS0 = Small Flash
| EBC-CS2 = Large Flash and SRAM
|
| - Boot from EBC 16bits => boot from Large Flash or SRAM
| EBC-CS0 = Large Flash or SRAM
| EBC-CS2 = Small Flash
|
| - Boot from PCI
| EBC-CS0 = not initialized to avoid address contention
| EBC-CS2 = same as boot from Small Flash selected
|
+-------------------------------------------------------------------*/
/*
* Compute EBC settings depending on selected boot device
* ======================================================
*
* Resulting EBC init will be among following configurations :
*
* - Boot from EBC 8bits => boot from Small Flash selected
* EBC-CS0 = Small Flash
* EBC-CS2 = Large Flash and SRAM
*
* - Boot from EBC 16bits => boot from Large Flash or SRAM
* EBC-CS0 = Large Flash or SRAM
* EBC-CS2 = Small Flash
*
* - Boot from PCI
* EBC-CS0 = not initialized to avoid address contention
* EBC-CS2 = same as boot from Small Flash selected
*/
unsigned long ebc0_cs0_bxap_value = 0, ebc0_cs0_bxcr_value = 0;
unsigned long ebc0_cs1_bxap_value = 0, ebc0_cs1_bxcr_value = 0;
unsigned long ebc0_cs2_bxap_value = 0, ebc0_cs2_bxcr_value = 0;
@ -445,13 +409,13 @@ static void early_reinit_EBC(int computed_boot_device)
static void early_init_UIC(void)
{
/*--------------------------------------------------------------------+
| Initialise UIC registers. Clear all interrupts. Disable all
| interrupts.
| Set critical interrupt values. Set interrupt polarities. Set
| interrupt trigger levels. Make bit 0 High priority. Clear all
| interrupts again.
+-------------------------------------------------------------------*/
/*
* Initialise UIC registers. Clear all interrupts. Disable all
* interrupts.
* Set critical interrupt values. Set interrupt polarities. Set
* interrupt trigger levels. Make bit 0 High priority. Clear all
* interrupts again.
*/
mtdcr(uic3sr, 0xffffffff); /* Clear all interrupts */
mtdcr(uic3er, 0x00000000); /* disable all interrupts */
mtdcr(uic3cr, 0x00000000); /* Set Critical / Non Critical

12
include/configs/redwood.h
View File

@ -131,12 +131,12 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
CONFIG_AMCC_DEF_ENV \
CONFIG_AMCC_DEF_ENV_POWERPC \
CONFIG_AMCC_DEF_ENV_NOR_UPD \
CONFIG_AMCC_DEF_ENV_NAND_UPD \
"kernel_addr=fc000000\0" \
"fdt_addr=fc1e0000\0" \
"ramdisk_addr=fc200000\0" \
CONFIG_AMCC_DEF_ENV_POWERPC \
CONFIG_AMCC_DEF_ENV_NOR_UPD \
CONFIG_AMCC_DEF_ENV_NAND_UPD \
"kernel_addr=fc000000\0" \
"fdt_addr=fc1e0000\0" \
"ramdisk_addr=fc200000\0" \
""
/*----------------------------------------------------------------------------+