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-rw-r--r--board/mpc8540ads/config.mk1
-rw-r--r--board/mpc8540ads/init.S48
-rw-r--r--board/mpc8540ads/mpc8540ads.c44
3 files changed, 56 insertions, 37 deletions
diff --git a/board/mpc8540ads/config.mk b/board/mpc8540ads/config.mk
index 186a2f2..92f8931 100644
--- a/board/mpc8540ads/config.mk
+++ b/board/mpc8540ads/config.mk
@@ -1,3 +1,4 @@
+# Copyright 2004 Freescale Semiconductor.
# Modified by Xianghua Xiao, X.Xiao@motorola.com
# (C) Copyright 2002,Motorola Inc.
#
diff --git a/board/mpc8540ads/init.S b/board/mpc8540ads/init.S
index 8c2ca65..486fdc8 100644
--- a/board/mpc8540ads/init.S
+++ b/board/mpc8540ads/init.S
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2002,2003, Motorola Inc.
* Xianghua Xiao <X.Xiao@motorola.com>
*
@@ -136,43 +137,58 @@ tlb1_entry:
#endif
entry_end
-/* LAW(Local Access Window) configuration:
- * 0000_0000-0800_0000: DDR(128M) -or- larger
- * f000_0000-f3ff_ffff: PCI(256M)
- * f400_0000-f7ff_ffff: RapidIO(128M)
- * f800_0000-ffff_ffff: localbus(128M)
- * f800_0000-fbff_ffff: LBC SDRAM(64M)
- * fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
- * fdf0_0000-fdff_ffff: CCSRBAR(1M)
- * fe00_0000-ffff_ffff: Flash(32M)
- * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
- * Window.
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x7fff_ffff DDR 2G
+ * 0x8000_0000 0x9fff_ffff PCI MEM 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe2ff_ffff PCI IO 16M
+ * 0xf000_0000 0xf7ff_ffff SDRAM 128M
+ * 0xf800_0000 0xf80f_ffff BCSR 1M
+ * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M
+ *
+ * Note: CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
* Note: If flash is 8M at default position(last 8M),no LAW needed.
*/
#if !defined(CONFIG_SPD_EEPROM)
#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
#else
#define LAWBAR0 0
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#endif
#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_512M))
+/*
+ * This is not so much the SDRAM map as it is the whole localbus map.
+ */
#if !defined(CONFIG_RAM_AS_FLASH)
#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
#else
#define LAWBAR2 0
#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#endif
+#define LAWBAR3 ((CFG_PCI_IO_BASE>>12) & 0xfffff)
+#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_16M))
+
+/*
+ * Rapid IO at 0xc000_0000 for 512 M
+ */
+#define LAWBAR4 ((CFG_RAPID_IO_BASE>>12) & 0xfffff)
+#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+
.section .bootpg, "ax"
.globl law_entry
law_entry:
entry_start
- .long 0x03
- .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
+ .long 0x05
+ .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
+ .long LAWBAR4,LAWAR4
entry_end
diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c
index 0644de8..2694d62 100644
--- a/board/mpc8540ads/mpc8540ads.c
+++ b/board/mpc8540ads/mpc8540ads.c
@@ -1,4 +1,4 @@
-/*
+ /*
* (C) Copyright 2002,2003, Motorola Inc.
* Xianghua Xiao, (X.Xiao@motorola.com)
*
@@ -33,6 +33,13 @@ extern long int spd_sdram (void);
long int fixed_sdram (void);
+#if defined(CONFIG_DDR_ECC)
+void dma_init(void);
+uint dma_check(void);
+int dma_xfer(void *dest, uint count, void *src);
+#endif
+
+
/* MPC8540ADS Board Status & Control Registers */
#if 0
typedef struct bscr_ {
@@ -60,24 +67,11 @@ int board_early_init_f (void)
int checkboard (void)
{
- sys_info_t sysinfo;
-
- get_sys_info (&sysinfo);
-
- printf ("Board: Motorola MPC8540ADS Board\n");
- printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
- printf ("\tCCB: %lu MHz\n", sysinfo.freqSystemBus / 1000000);
- printf ("\tDDR: %lu MHz\n", sysinfo.freqSystemBus / 2000000);
- if((CFG_LBC_LCRR & 0x0f) == 2 || (CFG_LBC_LCRR & 0x0f) == 4 \
- || (CFG_LBC_LCRR & 0x0f) == 8) {
- printf ("\tLBC: %lu MHz\n", sysinfo.freqSystemBus / 1000000 /(CFG_LBC_LCRR & 0x0f));
- } else {
- printf("\tLBC: unknown\n");
- }
- printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
- return (0);
+ puts("Board: ADS\n");
+ return 0;
}
+
long int initdram (int board_type)
{
long dram_size = 0;
@@ -91,8 +85,9 @@ long int initdram (int board_type)
#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
volatile ccsr_gur_t *gur= &immap->im_gur;
#endif
+
#if defined(CONFIG_DDR_DLL)
- uint temp_ddrdll = 0;
+ uint temp_ddrdll = 0;
/* Work around to stabilize DDR DLL */
temp_ddrdll = gur->ddrdllcr;
@@ -112,9 +107,16 @@ long int initdram (int board_type)
if(sysinfo.freqSystemBus/(CFG_LBC_LCRR & 0x0f) < 66000000) {
lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff)| 0x80000000;
} else {
-#if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
- lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
-#endif
+ uint pvr = get_pvr();
+
+ if (pvr == PVR_85xx_REV1) {
+ /*
+ * Need change CLKDIV before enable DLL.
+ * Default CLKDIV is 8, change it to 4
+ * temporarily.
+ */
+ lbc->lcrr = 0x10000004;
+ }
lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
udelay(200);
temp_lbcdll = gur->lbcdllcr;
generated by cgit v1.1 at 2024-11-30 03:07:03 +0000