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Diffstat (limited to 'board/amcc/yellowstone/yellowstone.c')
-rw-r--r--board/amcc/yellowstone/yellowstone.c111
1 files changed, 85 insertions, 26 deletions
diff --git a/board/amcc/yellowstone/yellowstone.c b/board/amcc/yellowstone/yellowstone.c
index a6b81e6..982d857 100644
--- a/board/amcc/yellowstone/yellowstone.c
+++ b/board/amcc/yellowstone/yellowstone.c
@@ -20,9 +20,12 @@
*/
#include <common.h>
+#include <ppc4xx.h>
#include <asm/processor.h>
#include <spd_sdram.h>
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
int board_early_init_f(void)
{
register uint reg;
@@ -35,7 +38,7 @@ int board_early_init_f(void)
mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */
mtebc(pb0ap, 0x03017300); /* FLASH/SRAM */
- mtebc(pb0cr, 0xfe0ba000); /* BAS=0xfe0 32MB r/w 16-bit */
+ mtebc(pb0cr, 0xfc0da000); /* BAS=0xfc0 64MB r/w 16-bit */
mtebc(pb1ap, 0x00000000);
mtebc(pb1cr, 0x00000000);
@@ -92,12 +95,14 @@ int board_early_init_f(void)
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000);
out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000);
+#if 0 /* test-only */
/*setup USB 2.0 */
out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000);
out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xf);
out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0xaa);
out32(GPIO0_ISR2H, in32(GPIO0_ISR2H) | 0x00000500);
+#endif
/*--------------------------------------------------------------------
* Setup other serial configuration
@@ -113,8 +118,10 @@ int board_early_init_f(void)
/*enable ethernet */
*(unsigned char *)(CFG_BCSR_BASE | 0x08) = 0xf0;
+#if 0 /* test-only */
/*enable usb 1.1 fs device and remove usb 2.0 reset */
*(unsigned char *)(CFG_BCSR_BASE | 0x09) = 0x00;
+#endif
/*get rid of flash write protect */
*(unsigned char *)(CFG_BCSR_BASE | 0x07) = 0x40;
@@ -122,6 +129,54 @@ int board_early_init_f(void)
return 0;
}
+int misc_init_r (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ uint pbcr;
+ int size_val = 0;
+
+ /* Re-do sizing to get full correct info */
+ mtdcr(ebccfga, pb0cr);
+ pbcr = mfdcr(ebccfgd);
+ switch (gd->bd->bi_flashsize) {
+ case 1 << 20:
+ size_val = 0;
+ break;
+ case 2 << 20:
+ size_val = 1;
+ break;
+ case 4 << 20:
+ size_val = 2;
+ break;
+ case 8 << 20:
+ size_val = 3;
+ break;
+ case 16 << 20:
+ size_val = 4;
+ break;
+ case 32 << 20:
+ size_val = 5;
+ break;
+ case 64 << 20:
+ size_val = 6;
+ break;
+ case 128 << 20:
+ size_val = 7;
+ break;
+ }
+ pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+ mtdcr(ebccfga, pb0cr);
+ mtdcr(ebccfgd, pbcr);
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CFG_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+
+ return 0;
+}
+
int checkboard(void)
{
sys_info_t sysinfo;
@@ -135,6 +190,8 @@ int checkboard(void)
printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
printf("\tPER: %lu MHz\n", sysinfo.freqEPB / 1000000);
printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
+
+
return (0);
}
@@ -170,6 +227,7 @@ void sdram_init(void)
*/
mtsdram(mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
mtsdram(mem_b1cr, 0x080a4001); /* SDBA=0x080 128MB, Mode 3, enabled */
+
mtsdram(mem_tr0, 0x410a4012); /* ?? */
mtsdram(mem_tr1, 0x8080080b); /* ?? */
mtsdram(mem_rtr, 0x04080000); /* ?? */
@@ -256,8 +314,8 @@ int pci_pre_init(struct pci_controller *hose)
unsigned long addr;
/*--------------------------------------------------------------------------+
- * Bamboo is always configured as the host & requires the
- * PCI arbiter to be enabled.
+ * Bamboo is always configured as the host & requires the
+ * PCI arbiter to be enabled.
*--------------------------------------------------------------------------*/
mfsdr(sdr_sdstp1, strap);
if ((strap & SDR0_SDSTP1_PAE_MASK) == 0) {
@@ -266,27 +324,27 @@ int pci_pre_init(struct pci_controller *hose)
return 0;
}
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB3 devices to 0.
- | Set PLB3 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB3 devices to 0.
+ | Set PLB3 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
mfsdr(sdr_amp1, addr);
mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb3_acr);
mtdcr(plb3_acr, addr | 0x80000000);
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB4 devices to 0.
- +-------------------------------------------------------------------------*/
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB4 devices to 0.
+ +-------------------------------------------------------------------------*/
mfsdr(sdr_amp0, addr);
mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
mtdcr(plb4_acr, addr);
- /*-------------------------------------------------------------------------+
- | Set Nebula PLB4 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
- /* Segment0 */
+ /*-------------------------------------------------------------------------+
+ | Set Nebula PLB4 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
+ /* Segment0 */
addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
@@ -318,13 +376,13 @@ void pci_target_init(struct pci_controller *hose)
/*--------------------------------------------------------------------------+
* Set up Direct MMIO registers
*--------------------------------------------------------------------------*/
- /*--------------------------------------------------------------------------+
- | PowerPC440 EP PCI Master configuration.
- | Map one 1Gig range of PLB/processor addresses to PCI memory space.
- | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
- | Use byte reversed out routines to handle endianess.
- | Make this region non-prefetchable.
- +--------------------------------------------------------------------------*/
+ /*--------------------------------------------------------------------------+
+ | PowerPC440 EP PCI Master configuration.
+ | Map one 1Gig range of PLB/processor addresses to PCI memory space.
+ | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
+ | Use byte reversed out routines to handle endianess.
+ | Make this region non-prefetchable.
+ +--------------------------------------------------------------------------*/
out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
@@ -374,11 +432,11 @@ void pci_master_init(struct pci_controller *hose)
{
unsigned short temp_short;
- /*--------------------------------------------------------------------------+
- | Write the PowerPC440 EP PCI Configuration regs.
- | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
- | Enable PowerPC440 EP to act as a PCI memory target (PTM).
- +--------------------------------------------------------------------------*/
+ /*--------------------------------------------------------------------------+
+ | Write the PowerPC440 EP PCI Configuration regs.
+ | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+ | Enable PowerPC440 EP to act as a PCI memory target (PTM).
+ +--------------------------------------------------------------------------*/
pci_read_config_word(0, PCI_COMMAND, &temp_short);
pci_write_config_word(0, PCI_COMMAND,
temp_short | PCI_COMMAND_MASTER |
@@ -418,5 +476,6 @@ int is_pci_host(struct pci_controller *hose)
#if defined(CONFIG_HW_WATCHDOG)
void hw_watchdog_reset(void)
{
+
}
#endif
generated by cgit v1.1 at 2024-11-08 22:24:18 +0000