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-rw-r--r--board/amcc/common/flash.c30
-rw-r--r--board/amcc/yucca/init.S56
-rw-r--r--board/amcc/yucca/yucca.c130
3 files changed, 211 insertions, 5 deletions
diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c
index 3a50b09..a0acbba 100644
--- a/board/amcc/common/flash.c
+++ b/board/amcc/common/flash.c
@@ -76,6 +76,9 @@ void flash_print_info(flash_info_t * info)
case FLASH_MAN_SST:
printf("SST ");
break;
+ case FLASH_MAN_MX:
+ printf ("MACRONIX ");
+ break;
default:
printf("Unknown Vendor ");
break;
@@ -124,6 +127,9 @@ void flash_print_info(flash_info_t * info)
case FLASH_STMW320DT:
printf ("M29W320DT (32 M, top sector)\n");
break;
+ case FLASH_MXLV320T:
+ printf ("MXLV320T (32 Mbit, top sector)\n");
+ break;
default:
printf("Unknown Chip Type\n");
break;
@@ -375,6 +381,7 @@ int flash_erase(flash_info_t * info, int s_first, int s_last)
{
if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
return flash_erase_2(info, s_first, s_last);
} else {
@@ -555,6 +562,7 @@ static int write_word(flash_info_t * info, ulong dest, ulong data)
{
if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) {
return write_word_2(info, dest, data);
} else {
@@ -648,6 +656,9 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
info->flash_id = FLASH_MAN_STM;
break;
+ case (CFG_FLASH_WORD_SIZE) MX_MANUFACT:
+ info->flash_id = FLASH_MAN_MX;
+ break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
@@ -676,6 +687,12 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
info->sector_count = 67;
info->size = 0x00400000; break; /* => 4 MB */
+ case (CFG_FLASH_WORD_SIZE)MX_ID_LV320T:
+ info->flash_id += FLASH_MXLV320T;
+ info->sector_count = 71;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
@@ -711,6 +728,19 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
--i;
info->start[i] = base;
}
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) {
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00002000;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000a000;
+ info->start[i--] = base + info->size - 0x0000c000;
+ info->start[i--] = base + info->size - 0x0000e000;
+ info->start[i--] = base + info->size - 0x00010000;
+
+ for (; i >= 0; i--)
+ info->start[i] = base + i * 0x00010000;
} else {
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
diff --git a/board/amcc/yucca/init.S b/board/amcc/yucca/init.S
index cb28936..c9eca68 100644
--- a/board/amcc/yucca/init.S
+++ b/board/amcc/yucca/init.S
@@ -82,9 +82,49 @@
*************************************************************************/
.section .bootpg,"ax"
- .globl tlbtab
-tlbtab:
+/**************************************************************************
+ * TLB table for revA
+ *************************************************************************/
+ .globl tlbtabA
+tlbtabA:
+ tlbtab_start
+ tlbentry(0xfff00000, SZ_16M, 0xfff00000, 4, AC_R|AC_W|AC_X|SA_G)
+
+ tlbentry(CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry(CFG_SDRAM_BASE + 0x10000000, SZ_256M, 0x10000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry(CFG_SDRAM_BASE + 0x20000000, SZ_256M, 0x20000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry(CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I)
+ tlbentry(CFG_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
+
+ tlbentry(CFG_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
+
+ tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+
+ tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbtab_end
+
+/**************************************************************************
+ * TLB table for revB
+ *
+ * Notice: revB of the 440SPe chip is very strict about PLB real addresses
+ * and ranges to be mapped for config space: it seems to only work with
+ * d_nnnn_nnnn range (hangs the core upon config transaction attempts when
+ * set otherwise) while revA uses c_nnnn_nnnn.
+ *************************************************************************/
+ .globl tlbtabB
+tlbtabB:
tlbtab_start
tlbentry(0xfff00000, SZ_16M, 0xfff00000, 4, AC_R|AC_W|AC_X|SA_G)
@@ -94,11 +134,19 @@ tlbtab:
tlbentry(CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I)
- tlbentry(CFG_FPGA_BASE,SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
+ tlbentry(CFG_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
- tlbentry(CFG_OPER_FLASH,SZ_16M,0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry(CFG_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+
+ tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x00100000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x20100000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0x40100000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbtab_end
diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c
index ce1312c..af12839 100644
--- a/board/amcc/yucca/yucca.c
+++ b/board/amcc/yucca/yucca.c
@@ -21,12 +21,16 @@
* MA 02111-1307 USA
*
* Port to AMCC-440SPE Evaluation Board SOP - April 2005
+ *
+ * PCIe supporting routines derived from Linux 440SPe PCIe driver.
*/
#include <common.h>
#include <ppc4xx.h>
#include <asm/processor.h>
#include <i2c.h>
+#include <asm-ppc/io.h>
+
#include "yucca.h"
void fpga_init (void);
@@ -39,6 +43,9 @@ int get_console_port(void);
unsigned long ppcMfcpr(unsigned long cpr_reg);
unsigned long ppcMfsdr(unsigned long sdr_reg);
+int ppc440spe_init_pcie_rootport(int port);
+void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
+
#define DEBUG_ENV
#ifdef DEBUG_ENV
#define DEBUGF(fmt,args...) printf(fmt ,##args)
@@ -908,6 +915,7 @@ void pci_target_init(struct pci_controller * hose )
}
#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+#if defined(CONFIG_PCI)
/*************************************************************************
* is_pci_host
*
@@ -923,12 +931,132 @@ void pci_target_init(struct pci_controller * hose )
*
*
************************************************************************/
-#if defined(CONFIG_PCI)
int is_pci_host(struct pci_controller *hose)
{
/* The yucca board is always configured as host. */
return 1;
}
+
+
+int yucca_pcie_card_present(int port)
+{
+ u16 reg;
+
+ reg = in_be16((u16 *)FPGA_REG1C);
+ switch(port) {
+ case 0:
+ return !(reg & FPGA_REG1C_PE0_PRSNT);
+ case 1:
+ return !(reg & FPGA_REG1C_PE1_PRSNT);
+ case 2:
+ return !(reg & FPGA_REG1C_PE2_PRSNT);
+ default:
+ return 0;
+ }
+}
+
+/*
+ * For the given slot, set rootpoint mode, send power to the slot,
+ * turn on the green LED and turn off the yellow LED, enable the clock
+ * and turn off reset.
+ */
+void yucca_setup_pcie_fpga_rootpoint(int port)
+{
+ u16 power, clock, green_led, yellow_led, reset_off, rootpoint, endpoint;
+
+ switch(port) {
+ case 0:
+ rootpoint = FPGA_REG1C_PE0_ROOTPOINT;
+ endpoint = 0;
+ power = FPGA_REG1A_PE0_PWRON;
+ green_led = FPGA_REG1A_PE0_GLED;
+ clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
+ yellow_led = FPGA_REG1A_PE0_YLED;
+ reset_off = FPGA_REG1C_PE0_PERST;
+ break;
+ case 1:
+ rootpoint = 0;
+ endpoint = FPGA_REG1C_PE1_ENDPOINT;
+ power = FPGA_REG1A_PE1_PWRON;
+ green_led = FPGA_REG1A_PE1_GLED;
+ clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
+ yellow_led = FPGA_REG1A_PE1_YLED;
+ reset_off = FPGA_REG1C_PE1_PERST;
+ break;
+ case 2:
+ rootpoint = 0;
+ endpoint = FPGA_REG1C_PE2_ENDPOINT;
+ power = FPGA_REG1A_PE2_PWRON;
+ green_led = FPGA_REG1A_PE2_GLED;
+ clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
+ yellow_led = FPGA_REG1A_PE2_YLED;
+ reset_off = FPGA_REG1C_PE2_PERST;
+ break;
+
+ default:
+ return;
+ }
+
+ out_be16((u16 *)FPGA_REG1A,
+ ~(power | clock | green_led) &
+ (yellow_led | in_be16((u16 *)FPGA_REG1A)));
+
+ out_be16((u16 *)FPGA_REG1C,
+ ~(endpoint | reset_off) &
+ (rootpoint | in_be16((u16 *)FPGA_REG1C)));
+ /*
+ * Leave device in reset for a while after powering on the
+ * slot to give it a chance to initialize.
+ */
+ udelay(250 * 1000);
+
+ out_be16((u16 *)FPGA_REG1C, reset_off | in_be16((u16 *)FPGA_REG1C));
+}
+
+
+static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
+
+void pcie_setup_hoses(void)
+{
+ struct pci_controller *hose;
+ int i, bus;
+
+ /*
+ * assume we're called after the PCIX hose is initialized, which takes
+ * bus ID 0 and therefore start numbering PCIe's from 1.
+ */
+ bus = 1;
+ for (i = 0; i <= 2; i++) {
+ /* Check for yucca card presence */
+ if (!yucca_pcie_card_present(i))
+ continue;
+
+ yucca_setup_pcie_fpga_rootpoint(i);
+
+ if (ppc440spe_init_pcie_rootport(i)) {
+ printf("PCIE%d: initialization failed\n", i);
+ continue;
+ }
+
+ hose = &pcie_hose[i];
+ hose->first_busno = bus;
+ hose->last_busno = bus;
+ bus++;
+
+ /* setup mem resource */
+ pci_set_region(hose->regions + 0,
+ CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
+ CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
+ CFG_PCIE_MEMSIZE,
+ PCI_REGION_MEM
+ );
+ hose->region_count = 1;
+ pci_register_hose(hose);
+
+ ppc440spe_setup_pcie(hose, i);
+ hose->last_busno = pci_hose_scan(hose);
+ }
+}
#endif /* defined(CONFIG_PCI) */
int misc_init_f (void)
generated by cgit v1.1 at 2024-12-28 22:05:08 +0000