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-rw-r--r--drivers/mmc/fsl_esdhc.c29
-rw-r--r--drivers/pci/fsl_pci_init.c183
-rw-r--r--drivers/pci/pci.c12
3 files changed, 202 insertions, 22 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 40b136c..d01c926 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2007,2010 Freescale Semiconductor, Inc
+ * Copyright 2007, 2010-2011 Freescale Semiconductor, Inc
* Andy Fleming
*
* Based vaguely on the pxa mmc code:
@@ -79,6 +79,9 @@ uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
if (data->blocks > 1) {
xfertyp |= XFERTYP_MSBSEL;
xfertyp |= XFERTYP_BCEN;
+#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
+ xfertyp |= XFERTYP_AC12EN;
+#endif
}
if (data->flags & MMC_DATA_READ)
@@ -234,6 +237,11 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
volatile struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
+#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
+ if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
+ return 0;
+#endif
+
esdhc_write32(&regs->irqstat, -1);
sync();
@@ -464,6 +472,11 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
voltage_caps = 0;
caps = regs->hostcapblt;
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
+ caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
+ ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
+#endif
if (caps & ESDHC_HOSTCAPBLT_VS18)
voltage_caps |= MMC_VDD_165_195;
if (caps & ESDHC_HOSTCAPBLT_VS30)
@@ -508,17 +521,19 @@ int fsl_esdhc_mmc_init(bd_t *bis)
void fdt_fixup_esdhc(void *blob, bd_t *bd)
{
const char *compat = "fsl,esdhc";
- const char *status = "okay";
+#ifdef CONFIG_FSL_ESDHC_PIN_MUX
if (!hwconfig("esdhc")) {
- status = "disabled";
- goto out;
+ do_fixup_by_compat(blob, compat, "status", "disabled",
+ 8 + 1, 1);
+ return;
}
+#endif
do_fixup_by_compat_u32(blob, compat, "clock-frequency",
gd->sdhc_clk, 1);
-out:
- do_fixup_by_compat(blob, compat, "status", status,
- strlen(status) + 1, 1);
+
+ do_fixup_by_compat(blob, compat, "status", "okay",
+ 4 + 1, 1);
}
#endif
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 5b34dcb..6c168c1 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -18,6 +18,8 @@
*/
#include <common.h>
+#include <malloc.h>
+#include <asm/fsl_serdes.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -215,8 +217,10 @@ static int fsl_pci_setup_inbound_windows(struct pci_controller *hose,
return 1;
}
-void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
+void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
{
+ u32 cfg_addr = (u32)&((ccsr_fsl_pci_t *)pci_info->regs)->cfg_addr;
+ u32 cfg_data = (u32)&((ccsr_fsl_pci_t *)pci_info->regs)->cfg_data;
u16 temp16;
u32 temp32;
int enabled, r, inbound = 0;
@@ -233,10 +237,6 @@ void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
u64 out_hi = 0, out_lo = -1ULL;
u32 pcicsrbar, pcicsrbar_sz;
-#ifdef DEBUG
- int neg_link_w;
-#endif
-
pci_setup_indirect(hose, cfg_addr, cfg_data);
/* Handle setup of outbound windows first */
@@ -352,20 +352,20 @@ void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
#endif
if (!enabled) {
- debug("....PCIE link error. Skipping scan."
- "LTSSM=0x%02x\n", ltssm);
+ /* Let the user know there's no PCIe link */
+ printf("no link, regs @ 0x%lx\n", pci_info->regs);
hose->last_busno = hose->first_busno;
return;
}
out_be32(&pci->pme_msg_det, 0xffffffff);
out_be32(&pci->pme_msg_int_en, 0xffffffff);
-#ifdef DEBUG
+
+ /* Print the negotiated PCIe link width */
pci_hose_read_config_word(hose, dev, PCI_LSR, &temp16);
- neg_link_w = (temp16 & 0x3f0 ) >> 4;
- printf("...PCIE LTSSM=0x%x, Negotiated link width=%d\n",
- ltssm, neg_link_w);
-#endif
+ printf("x%d, regs @ 0x%lx\n", (temp16 & 0x3f0 ) >> 4,
+ pci_info->regs);
+
hose->current_busno++; /* Start scan with secondary */
pciauto_prescan_setup_bridge(hose, dev, hose->current_busno);
}
@@ -474,7 +474,7 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
hose->region_count = r - hose->regions;
hose->first_busno = busno;
- fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
+ fsl_pci_init(hose, pci_info);
if (fsl_is_pci_agent(hose)) {
fsl_pci_config_unlock(hose);
@@ -483,7 +483,7 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
printf("PCI%s%x: Bus %02x - %02x\n", pcie_cap == PCI_CAP_ID_EXP ?
- "E" : "", pci_info->pci_num,
+ "e" : "", pci_info->pci_num,
hose->first_busno, hose->last_busno);
return(hose->last_busno + 1);
@@ -513,16 +513,169 @@ void fsl_pci_config_unlock(struct pci_controller *hose)
}
}
+#if defined(CONFIG_PCIE1) || defined(CONFIG_PCIE2) || \
+ defined(CONFIG_PCIE3) || defined(CONFIG_PCIE4)
+int fsl_configure_pcie(struct fsl_pci_info *info,
+ struct pci_controller *hose,
+ const char *connected, int busno)
+{
+ int is_endpoint;
+
+ set_next_law(info->mem_phys, law_size_bits(info->mem_size), info->law);
+ set_next_law(info->io_phys, law_size_bits(info->io_size), info->law);
+
+ is_endpoint = fsl_setup_hose(hose, info->regs);
+ printf("PCIe%u: %s", info->pci_num,
+ is_endpoint ? "Endpoint" : "Root Complex");
+ if (connected)
+ printf(" of %s", connected);
+ puts(", ");
+
+ return fsl_pci_init_port(info, hose, busno);
+}
+
+#if defined(CONFIG_FSL_CORENET)
+ #define _DEVDISR_PCIE1 FSL_CORENET_DEVDISR_PCIE1
+ #define _DEVDISR_PCIE2 FSL_CORENET_DEVDISR_PCIE2
+ #define _DEVDISR_PCIE3 FSL_CORENET_DEVDISR_PCIE3
+ #define _DEVDISR_PCIE4 FSL_CORENET_DEVDISR_PCIE4
+ #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
+#elif defined(CONFIG_MPC85xx)
+ #define _DEVDISR_PCIE1 MPC85xx_DEVDISR_PCIE
+ #define _DEVDISR_PCIE2 MPC85xx_DEVDISR_PCIE2
+ #define _DEVDISR_PCIE3 MPC85xx_DEVDISR_PCIE3
+ #define _DEVDISR_PCIE4 0
+ #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
+#elif defined(CONFIG_MPC86xx)
+ #define _DEVDISR_PCIE1 MPC86xx_DEVDISR_PCIE1
+ #define _DEVDISR_PCIE2 MPC86xx_DEVDISR_PCIE2
+ #define _DEVDISR_PCIE3 0
+ #define _DEVDISR_PCIE4 0
+ #define CONFIG_SYS_MPC8xxx_GUTS_ADDR \
+ (&((immap_t *)CONFIG_SYS_IMMR)->im_gur)
+#else
+#error "No defines for DEVDISR_PCIE"
+#endif
+
+/* Implement a dummy function for those platforms w/o SERDES */
+static const char *__board_serdes_name(enum srds_prtcl device)
+{
+ switch (device) {
+#ifdef CONFIG_SYS_PCIE1_NAME
+ case PCIE1:
+ return CONFIG_SYS_PCIE1_NAME;
+#endif
+#ifdef CONFIG_SYS_PCIE2_NAME
+ case PCIE2:
+ return CONFIG_SYS_PCIE2_NAME;
+#endif
+#ifdef CONFIG_SYS_PCIE3_NAME
+ case PCIE3:
+ return CONFIG_SYS_PCIE3_NAME;
+#endif
+#ifdef CONFIG_SYS_PCIE4_NAME
+ case PCIE4:
+ return CONFIG_SYS_PCIE4_NAME;
+#endif
+ default:
+ return NULL;
+ }
+
+ return NULL;
+}
+
+__attribute__((weak, alias("__board_serdes_name"))) const char *
+board_serdes_name(enum srds_prtcl device);
+
+static u32 devdisr_mask[] = {
+ _DEVDISR_PCIE1,
+ _DEVDISR_PCIE2,
+ _DEVDISR_PCIE3,
+ _DEVDISR_PCIE4,
+};
+
+int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
+ struct fsl_pci_info *pci_info)
+{
+ struct pci_controller *hose;
+ int num = dev - PCIE1;
+
+ hose = calloc(1, sizeof(struct pci_controller));
+ if (!hose)
+ return busno;
+
+ if (is_serdes_configured(dev) && !(devdisr & devdisr_mask[num])) {
+ busno = fsl_configure_pcie(pci_info, hose,
+ board_serdes_name(dev), busno);
+ } else {
+ printf("PCIe%d: disabled\n", num + 1);
+ }
+
+ return busno;
+}
+
+int fsl_pcie_init_board(int busno)
+{
+ struct fsl_pci_info pci_info;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR;
+ u32 devdisr = in_be32(&gur->devdisr);
+
+#ifdef CONFIG_PCIE1
+ SET_STD_PCIE_INFO(pci_info, 1);
+ busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE1, &pci_info);
+#else
+ setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE2
+ SET_STD_PCIE_INFO(pci_info, 2);
+ busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE2, &pci_info);
+#else
+ setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE3
+ SET_STD_PCIE_INFO(pci_info, 3);
+ busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE3, &pci_info);
+#else
+ setbits_be32(&gur->devdisr, _DEVDISR_PCIE3); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE4
+ SET_STD_PCIE_INFO(pci_info, 4);
+ busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE4, &pci_info);
+#else
+ setbits_be32(&gur->devdisr, _DEVDISR_PCIE4); /* disable */
+#endif
+
+ return busno;
+}
+#else
+int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
+ struct fsl_pci_info *pci_info)
+{
+ return busno;
+}
+
+int fsl_pcie_init_board(int busno)
+{
+ return busno;
+}
+#endif
+
#ifdef CONFIG_OF_BOARD_SETUP
#include <libfdt.h>
#include <fdt_support.h>
void ft_fsl_pci_setup(void *blob, const char *pci_compat,
- struct pci_controller *hose, unsigned long ctrl_addr)
+ unsigned long ctrl_addr)
{
int off;
u32 bus_range[2];
phys_addr_t p_ctrl_addr = (phys_addr_t)ctrl_addr;
+ struct pci_controller *hose;
+
+ hose = find_hose_by_cfg_addr((void *)(ctrl_addr));
/* convert ctrl_addr to true physical address */
p_ctrl_addr = (phys_addr_t)ctrl_addr - CONFIG_SYS_CCSRBAR;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 702ac67..cdfc4fb 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -165,6 +165,18 @@ struct pci_controller *pci_bus_to_hose (int bus)
return NULL;
}
+struct pci_controller *find_hose_by_cfg_addr(void *cfg_addr)
+{
+ struct pci_controller *hose;
+
+ for (hose = hose_head; hose; hose = hose->next) {
+ if (hose->cfg_addr == cfg_addr)
+ return hose;
+ }
+
+ return NULL;
+}
+
int pci_last_busno(void)
{
struct pci_controller *hose = hose_head;
generated by cgit v1.1 at 2024-12-18 19:42:20 +0000