diff options
| author | Bryan Brattlof <bb@ti.com> | 2024-02-15 10:52:30 -0600 |
|---|---|---|
| committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2024-03-21 14:26:33 +0000 |
| commit | 13de31aeaa37b4ddeebccb9b1c8963fff539e94e (patch) | |
| tree | 10e6d0f2ef148dc969d792abd02c9b5b90dfdcfb | |
| parent | 97cb5d477807bf5b365c8259d0f8f05bc40e92d6 (diff) | |
ram: k3-ddrss: limit only the am64x addressable range
The AM64x and some of the AM62xx family of devices use the same 16b
controller though only the AM64x is limited to 2GB addressable.
Annoyingly the address alias detection machinery defaults to the full
8GB for the AM64x. Reset this value to 2GB only if we're initializin DDR
on an am64x device
Signed-off-by: Bryan Brattlof <bb@ti.com>
| -rw-r--r-- | drivers/ram/k3-ddrss/k3-ddrss.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c index a7a0b8bca9..2254ecc085 100644 --- a/drivers/ram/k3-ddrss/k3-ddrss.c +++ b/drivers/ram/k3-ddrss/k3-ddrss.c @@ -781,11 +781,11 @@ static int k3_ddrss_probe(struct udevice *dev) if (ret) return ret; -#ifdef CONFIG_K3_AM64_DDRSS - /* AM64x supports only up to 2 GB SDRAM */ - writel(0x000001EF, ddrss->ddrss_ss_cfg + DDRSS_V2A_CTL_REG); - writel(0x0, ddrss->ddrss_ss_cfg + DDRSS_ECC_CTRL_REG); -#endif + if (IS_ENABLED(CONFIG_SOC_K3_AM642)) { + /* AM64x supports only up to 2 GB SDRAM */ + writel(0x000001EF, ddrss->ddrss_ss_cfg + DDRSS_V2A_CTL_REG); + writel(0x0, ddrss->ddrss_ss_cfg + DDRSS_ECC_CTRL_REG); + } ddrss->driverdt = lpddr4_getinstance(); |