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Diffstat (limited to 'board/amcc/bamboo/bamboo.c')
-rw-r--r--board/amcc/bamboo/bamboo.c321
1 files changed, 226 insertions, 95 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index caf6690..00c793a 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -32,9 +32,170 @@ void ext_bus_cntlr_init(void);
void configure_ppc440ep_pins(void);
int is_nand_selected(void);
-unsigned char cfg_simulate_spd_eeprom[128];
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
+/*************************************************************************
+ *
+ * Bamboo has one bank onboard sdram (plus DIMM)
+ *
+ * Fixed memory is composed of :
+ * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266,
+ * 13 row add bits, 10 column add bits (but 12 row used only).
+ * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266,
+ * 12 row add bits, 10 column add bits.
+ * Prepare a subset (only the used ones) of SPD data
+ *
+ * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of
+ * the corresponding bank is divided by 2 due to number of Row addresses
+ * 12 in the ECC module
+ *
+ * Assumes: 64 MB, ECC, non-registered
+ * PLB @ 133 MHz
+ *
+ ************************************************************************/
+const unsigned char cfg_simulate_spd_eeprom[128] = {
+ 0x80, /* number of SPD bytes used: 128 */
+ 0x08, /* total number bytes in SPD device = 256 */
+ 0x07, /* DDR ram */
+#ifdef CONFIG_DDR_ECC
+ 0x0C, /* num Row Addr: 12 */
+#else
+ 0x0D, /* num Row Addr: 13 */
+#endif
+ 0x09, /* numColAddr: 9 */
+ 0x01, /* numBanks: 1 */
+ 0x20, /* Module data width: 32 bits */
+ 0x00, /* Module data width continued: +0 */
+ 0x04, /* 2.5 Volt */
+ 0x75, /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */
+#ifdef CONFIG_DDR_ECC
+ 0x02, /* ECC ON : 02 OFF : 00 */
+#else
+ 0x00, /* ECC ON : 02 OFF : 00 */
+#endif
+ 0x82, /* refresh Rate Type: Normal (15.625us) + Self refresh */
+ 0,
+ 0,
+ 0,
+ 0x01, /* wcsbc = 1 */
+ 0,
+ 0,
+ 0x0C, /* casBit (2,2.5) */
+ 0,
+ 0,
+ 0x00, /* not registered: 0 registered : 0x02*/
+ 0,
+ 0xA0, /* SDRAM Cycle Time (cas latency 2) = 10 ns */
+ 0,
+ 0x00, /* SDRAM Cycle Time (cas latency 1.5) = N.A */
+ 0,
+ 0x50, /* tRpNs = 20 ns */
+ 0,
+ 0x50, /* tRcdNs = 20 ns */
+ 45, /* tRasNs */
+#ifdef CONFIG_DDR_ECC
+ 0x08, /* bankSizeID: 32MB */
+#else
+ 0x10, /* bankSizeID: 64MB */
+#endif
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+};
+#endif
-gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
#if 0
{ /* GPIO Alternate1 Alternate2 Alternate3 */
{
@@ -291,73 +452,12 @@ int checkboard(void)
return (0);
}
-#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
-/*************************************************************************
- *
- * init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM)
- *
- * Fixed memory is composed of :
- * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266,
- * 13 row add bits, 10 column add bits (but 12 row used only).
- * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266,
- * 12 row add bits, 10 column add bits.
- * Prepare a subset (only the used ones) of SPD data
- *
- * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of
- * the corresponding bank is divided by 2 due to number of Row addresses
- * 12 in the ECC module
- *
- * Assumes: 64 MB, ECC, non-registered
- * PLB @ 133 MHz
- *
- ************************************************************************/
-static void init_spd_array(void)
-{
- cfg_simulate_spd_eeprom[8] = 0x04; /* 2.5 Volt */
- cfg_simulate_spd_eeprom[2] = 0x07; /* DDR ram */
-
-#ifdef CONFIG_DDR_ECC
- cfg_simulate_spd_eeprom[11] = 0x02; /* ECC ON : 02 OFF : 00 */
- cfg_simulate_spd_eeprom[31] = 0x08; /* bankSizeID: 32MB */
- cfg_simulate_spd_eeprom[3] = 0x0C; /* num Row Addr: 12 */
-#else
- cfg_simulate_spd_eeprom[11] = 0x00; /* ECC ON : 02 OFF : 00 */
- cfg_simulate_spd_eeprom[31] = 0x10; /* bankSizeID: 64MB */
- cfg_simulate_spd_eeprom[3] = 0x0D; /* num Row Addr: 13 */
-#endif
-
- cfg_simulate_spd_eeprom[4] = 0x09; /* numColAddr: 9 */
- cfg_simulate_spd_eeprom[5] = 0x01; /* numBanks: 1 */
- cfg_simulate_spd_eeprom[0] = 0x80; /* number of SPD bytes used: 128 */
- cfg_simulate_spd_eeprom[1] = 0x08; /* total number bytes in SPD device = 256 */
- cfg_simulate_spd_eeprom[21] = 0x00; /* not registered: 0 registered : 0x02*/
- cfg_simulate_spd_eeprom[6] = 0x20; /* Module data width: 32 bits */
- cfg_simulate_spd_eeprom[7] = 0x00; /* Module data width continued: +0 */
- cfg_simulate_spd_eeprom[15] = 0x01; /* wcsbc = 1 */
- cfg_simulate_spd_eeprom[27] = 0x50; /* tRpNs = 20 ns */
- cfg_simulate_spd_eeprom[29] = 0x50; /* tRcdNs = 20 ns */
-
- cfg_simulate_spd_eeprom[30] = 45; /* tRasNs */
-
- cfg_simulate_spd_eeprom[18] = 0x0C; /* casBit (2,2.5) */
-
- cfg_simulate_spd_eeprom[9] = 0x75; /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */
- cfg_simulate_spd_eeprom[23] = 0xA0; /* SDRAM Cycle Time (cas latency 2) = 10 ns */
- cfg_simulate_spd_eeprom[25] = 0x00; /* SDRAM Cycle Time (cas latency 1.5) = N.A */
- cfg_simulate_spd_eeprom[12] = 0x82; /* refresh Rate Type: Normal (15.625us) + Self refresh */
-}
-#endif
long int initdram (int board_type)
{
#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
long dram_size;
- /*
- * First write simulated values in eeprom array for onboard bank 0
- */
- init_spd_array();
-
dram_size = spd_sdram();
return dram_size;
@@ -371,11 +471,12 @@ int testdram(void)
{
unsigned long *mem = (unsigned long *)0;
const unsigned long kend = (1024 / sizeof(unsigned long));
- unsigned long k, n;
+ unsigned long k, n, *p32, ctr;
+ const unsigned long bend = CFG_MBYTES_SDRAM * 1024 * 1024;
mtmsr(0);
- for (k = 0; k < CFG_KBYTES_SDRAM;
+ for (k = 0; k < CFG_MBYTES_SDRAM*1024;
++k, mem += (1024 / sizeof(unsigned long))) {
if ((k & 1023) == 0) {
printf("%3d MB\r", k / 1024);
@@ -399,6 +500,34 @@ int testdram(void)
}
}
}
+
+ /*
+ * Perform a sequence test to ensure that all
+ * memory locations are uniquely addressable
+ */
+ ctr = 0;
+ p32 = 0;
+ while ((unsigned long)p32 != bend) {
+ if (0 == ((unsigned long)p32 & ((1<<20)-1)))
+ printf("Writing %3d MB\r", (unsigned long)p32 >> 20);
+ *p32++ = ctr++;
+ }
+
+ ctr = 0;
+ p32 = 0;
+ while ((unsigned long)p32 != bend) {
+ if (0 == ((unsigned long)p32 & ((1<<20)-1)))
+ printf("Verifying %3d MB\r", (unsigned long)p32 >> 20);
+
+ if (*p32 != ctr) {
+ printf("SDRAM test fails at: %08x\n", p32);
+ return 1;
+ }
+
+ ctr++;
+ p32++;
+ }
+
printf("SDRAM test passes\n");
return 0;
}
@@ -1211,7 +1340,7 @@ void uart_selection_in_fpga(uart_config_nb_t uart_config)
/*----------------------------------------------------------------------------+
| init_default_gpio
+----------------------------------------------------------------------------*/
-void init_default_gpio(void)
+void init_default_gpio(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
int i;
@@ -1281,7 +1410,7 @@ void init_default_gpio(void)
|
+----------------------------------------------------------------------------*/
-void update_uart_ios(uart_config_nb_t uart_config)
+void update_uart_ios(uart_config_nb_t uart_config, gpio_param_s (*gpio_tab)[GPIO_MAX])
{
switch (uart_config)
{
@@ -1409,7 +1538,7 @@ void update_uart_ios(uart_config_nb_t uart_config)
/*----------------------------------------------------------------------------+
| update_ndfc_ios(void).
+----------------------------------------------------------------------------*/
-void update_ndfc_ios(void)
+void update_ndfc_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
/* Update GPIO Configuration Table */
gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */
@@ -1427,7 +1556,7 @@ void update_ndfc_ios(void)
/*----------------------------------------------------------------------------+
| update_zii_ios(void).
+----------------------------------------------------------------------------*/
-void update_zii_ios(void)
+void update_zii_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
/* Update GPIO Configuration Table */
gpio_tab[GPIO0][12].in_out = GPIO_IN; /* ZII_p0Rxd(0) */
@@ -1477,7 +1606,7 @@ void update_zii_ios(void)
/*----------------------------------------------------------------------------+
| update_uic_0_3_irq_ios().
+----------------------------------------------------------------------------*/
-void update_uic_0_3_irq_ios(void)
+void update_uic_0_3_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO1][8].in_out = GPIO_IN; /* UIC_IRQ(0) */
gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1;
@@ -1495,7 +1624,7 @@ void update_uic_0_3_irq_ios(void)
/*----------------------------------------------------------------------------+
| update_uic_4_9_irq_ios().
+----------------------------------------------------------------------------*/
-void update_uic_4_9_irq_ios(void)
+void update_uic_4_9_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO1][12].in_out = GPIO_IN; /* UIC_IRQ(4) */
gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1;
@@ -1516,7 +1645,7 @@ void update_uic_4_9_irq_ios(void)
/*----------------------------------------------------------------------------+
| update_dma_a_b_ios().
+----------------------------------------------------------------------------*/
-void update_dma_a_b_ios(void)
+void update_dma_a_b_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO1][12].in_out = GPIO_OUT; /* DMA_ACK(1) */
gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2;
@@ -1537,7 +1666,7 @@ void update_dma_a_b_ios(void)
/*----------------------------------------------------------------------------+
| update_dma_c_d_ios().
+----------------------------------------------------------------------------*/
-void update_dma_c_d_ios(void)
+void update_dma_c_d_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO0][0].in_out = GPIO_IN; /* DMA_REQ(2) */
gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2;
@@ -1562,7 +1691,7 @@ void update_dma_c_d_ios(void)
/*----------------------------------------------------------------------------+
| update_ebc_master_ios().
+----------------------------------------------------------------------------*/
-void update_ebc_master_ios(void)
+void update_ebc_master_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO0][27].in_out = GPIO_IN; /* EXT_EBC_REQ */
gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1;
@@ -1580,7 +1709,7 @@ void update_ebc_master_ios(void)
/*----------------------------------------------------------------------------+
| update_usb2_device_ios().
+----------------------------------------------------------------------------*/
-void update_usb2_device_ios(void)
+void update_usb2_device_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO0][26].in_out = GPIO_IN; /* USB2D_RXVALID */
gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2;
@@ -1611,20 +1740,21 @@ void update_usb2_device_ios(void)
/*----------------------------------------------------------------------------+
| update_pci_patch_ios().
+----------------------------------------------------------------------------*/
-void update_pci_patch_ios(void)
+void update_pci_patch_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
{
gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* EBC_EXT_HDLA */
gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1;
}
/*----------------------------------------------------------------------------+
- | set_chip_gpio_configuration(unsigned char gpio_core)
+ | set_chip_gpio_configuration(unsigned char gpio_core,
+ | gpio_param_s (*gpio_tab)[GPIO_MAX])
| Put the core impacted by clock modification and sharing in reset.
| Config the select registers to resolve the sharing depending of the config.
| Configure the GPIO registers.
|
+----------------------------------------------------------------------------*/
-void set_chip_gpio_configuration(unsigned char gpio_core)
+void set_chip_gpio_configuration(unsigned char gpio_core, gpio_param_s (*gpio_tab)[GPIO_MAX])
{
unsigned char i=0, j=0, reg_offset = 0;
unsigned long gpio_reg, gpio_core_add;
@@ -1778,11 +1908,12 @@ void configure_ppc440ep_pins(void)
CORE_NOT_SELECTED /* PCI_PATCH */
};
+ gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
/* Table Default Initialisation + FPGA Access */
- init_default_gpio();
- set_chip_gpio_configuration(GPIO0);
- set_chip_gpio_configuration(GPIO1);
+ init_default_gpio(gpio_tab);
+ set_chip_gpio_configuration(GPIO0, gpio_tab);
+ set_chip_gpio_configuration(GPIO1, gpio_tab);
/* Update Table */
force_bup_core_selection(ppc440ep_core_selection, &config_val);
@@ -1817,7 +1948,7 @@ void configure_ppc440ep_pins(void)
/* UIC 0:3 Selection */
if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED)
{
- update_uic_0_3_irq_ios();
+ update_uic_0_3_irq_ios(gpio_tab);
dma_a_b_unselect_in_fpga();
}
@@ -1825,21 +1956,21 @@ void configure_ppc440ep_pins(void)
if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED)
{
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL;
- update_uic_4_9_irq_ios();
+ update_uic_4_9_irq_ios(gpio_tab);
}
/* DMA AB Selection */
if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED)
{
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL;
- update_dma_a_b_ios();
+ update_dma_a_b_ios(gpio_tab);
dma_a_b_selection_in_fpga();
}
/* DMA CD Selection */
if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED)
{
- update_dma_c_d_ios();
+ update_dma_c_d_ios(gpio_tab);
dma_c_d_selection_in_fpga();
}
@@ -1848,14 +1979,14 @@ void configure_ppc440ep_pins(void)
{
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL;
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
- update_ebc_master_ios();
+ update_ebc_master_ios(gpio_tab);
}
/* PCI Patch Enable */
if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED)
{
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
- update_pci_patch_ios();
+ update_pci_patch_ios(gpio_tab);
}
/* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */
@@ -1871,7 +2002,7 @@ void configure_ppc440ep_pins(void)
/* USB2.0 Device Selection */
if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
{
- update_usb2_device_ios();
+ update_usb2_device_ios(gpio_tab);
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL;
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE;
@@ -1904,7 +2035,7 @@ void configure_ppc440ep_pins(void)
/* NAND Flash Selection */
if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED)
{
- update_ndfc_ios();
+ update_ndfc_ios(gpio_tab);
#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL |
@@ -1933,7 +2064,7 @@ void configure_ppc440ep_pins(void)
/* MII Selection */
if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED)
{
- update_zii_ios();
+ update_zii_ios(gpio_tab);
mfsdr(sdr_mfr, sdr0_mfr);
sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII;
mtsdr(sdr_mfr, sdr0_mfr);
@@ -1944,7 +2075,7 @@ void configure_ppc440ep_pins(void)
/* RMII Selection */
if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED)
{
- update_zii_ios();
+ update_zii_ios(gpio_tab);
mfsdr(sdr_mfr, sdr0_mfr);
sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M;
mtsdr(sdr_mfr, sdr0_mfr);
@@ -1955,7 +2086,7 @@ void configure_ppc440ep_pins(void)
/* SMII Selection */
if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED)
{
- update_zii_ios();
+ update_zii_ios(gpio_tab);
mfsdr(sdr_mfr, sdr0_mfr);
sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII;
mtsdr(sdr_mfr, sdr0_mfr);
@@ -1992,7 +2123,7 @@ void configure_ppc440ep_pins(void)
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
break;
}
- update_uart_ios(uart_configuration);
+ update_uart_ios(uart_configuration, gpio_tab);
/* UART Selection in all cases */
uart_selection_in_fpga(uart_configuration);
@@ -2014,8 +2145,8 @@ void configure_ppc440ep_pins(void)
/* Perform effective access to hardware */
mtsdr(sdr_pfc1, sdr0_pfc1);
- set_chip_gpio_configuration(GPIO0);
- set_chip_gpio_configuration(GPIO1);
+ set_chip_gpio_configuration(GPIO0, gpio_tab);
+ set_chip_gpio_configuration(GPIO1, gpio_tab);
/* USB2.0 Device Reset must be done after GPIO setting */
if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
generated by cgit v1.1 at 2024-11-07 10:10:19 +0000